Try to disable TBBMalloc

* Remove corech options, redundant tests

* Small fix

.clang-tidy

@@ -17,6 +17,7 @@ Checks: >
     -bugprone-incorrect-enable-if,
     -bugprone-switch-missing-default-case,
     -bugprone-empty-catch,
+    -bugprone-unchecked-optional-access,
     -clang-analyzer-*,
     -clang-diagnostic-deprecated-declarations,
     -clang-diagnostic-constant-conversion,

.github/workflows/osrm-backend.yml

@@ -177,39 +177,41 @@ jobs:
             CXXCOMPILER: g++-13
             ENABLE_COVERAGE: ON
 
-          - name: clang-15-debug-asan-ubsan
+          - name: clang-18-debug-asan-ubsan
             continue-on-error: false
             node: 20
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TOOLS: ON
             BUILD_TYPE: Debug
-            CCOMPILER: clang-15
+            CCOMPILER: clang-18
             CUCUMBER_TIMEOUT: 20000
-            CXXCOMPILER: clang++-15
+            CXXCOMPILER: clang++-18
             ENABLE_SANITIZER: ON
             TARGET_ARCH: x86_64-asan-ubsan
             OSRM_CONNECTION_RETRIES: 10
             OSRM_CONNECTION_EXP_BACKOFF_COEF: 1.5
 
-          - name: clang-15-release
+          - name: clang-18-release
             continue-on-error: false
             node: 18
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TOOLS: ON
             BUILD_TYPE: Release
-            CCOMPILER: clang-15
-            CXXCOMPILER: clang++-15
+            CCOMPILER: clang-18
+            CXXCOMPILER: clang++-18
             CUCUMBER_TIMEOUT: 60000
+            ENABLE_LTO: OFF
 
-          - name: clang-15-debug
+          - name: clang-18-debug
             continue-on-error: false
             node: 18
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TOOLS: ON
             BUILD_TYPE: Debug
-            CCOMPILER: clang-15
-            CXXCOMPILER: clang++-15
+            CCOMPILER: clang-18
+            CXXCOMPILER: clang++-18
             CUCUMBER_TIMEOUT: 60000
+            ENABLE_LTO: OFF
 
           - name: clang-18-debug-clang-tidy
             continue-on-error: false
@@ -223,46 +225,50 @@ jobs:
             ENABLE_CLANG_TIDY: ON
 
 
-          - name: clang-14-release
+          - name: clang-17-release
             continue-on-error: false
             node: 18
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TOOLS: ON
             BUILD_TYPE: Release
-            CCOMPILER: clang-14
-            CXXCOMPILER: clang++-14
+            CCOMPILER: clang-17
+            CXXCOMPILER: clang++-17
             CUCUMBER_TIMEOUT: 60000
+            ENABLE_LTO: OFF
 
-          - name: clang-13-release
+          - name: clang-16-release
             continue-on-error: false
             node: 18
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TOOLS: ON
             BUILD_TYPE: Release
-            CCOMPILER: clang-13
-            CXXCOMPILER: clang++-13
+            CCOMPILER: clang-16
+            CXXCOMPILER: clang++-16
             CUCUMBER_TIMEOUT: 60000
+            ENABLE_LTO: OFF
 
           - name: conan-linux-debug-asan-ubsan
             continue-on-error: false
             node: 18
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TOOLS: ON
             BUILD_TYPE: Release
-            CCOMPILER: clang-15
-            CXXCOMPILER: clang++-15
+            CCOMPILER: clang-18
+            CXXCOMPILER: clang++-18
             ENABLE_CONAN: ON
             ENABLE_SANITIZER: ON
+            ENABLE_LTO: OFF
 
           - name: conan-linux-release
             continue-on-error: false
             node: 18
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TOOLS: ON
             BUILD_TYPE: Release
-            CCOMPILER: clang-15
-            CXXCOMPILER: clang++-15
+            CCOMPILER: clang-18
+            CXXCOMPILER: clang++-18
             ENABLE_CONAN: ON
+            ENABLE_LTO: OFF
 
           - name: gcc-14-release
             continue-on-error: false
@@ -298,10 +304,10 @@ jobs:
             build_node_package: true
             continue-on-error: false
             node: 20
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TYPE: Release
-            CCOMPILER: clang-13
-            CXXCOMPILER: clang++-13
+            CCOMPILER: clang-16
+            CXXCOMPILER: clang++-16
             ENABLE_CONAN: ON
             NODE_PACKAGE_TESTS_ONLY: ON
 
@@ -309,10 +315,10 @@ jobs:
             build_node_package: true
             continue-on-error: false
             node: 20
-            runs-on: ubuntu-22.04
+            runs-on: ubuntu-24.04
             BUILD_TYPE: Debug
-            CCOMPILER: clang-13
-            CXXCOMPILER: clang++-13
+            CCOMPILER: clang-16
+            CXXCOMPILER: clang++-16
             ENABLE_CONAN: ON
             NODE_PACKAGE_TESTS_ONLY: ON
 
@@ -361,6 +367,7 @@ jobs:
       TARGET_ARCH: ${{ matrix.TARGET_ARCH }}
       OSRM_CONNECTION_RETRIES: ${{ matrix.OSRM_CONNECTION_RETRIES }}
       OSRM_CONNECTION_EXP_BACKOFF_COEF: ${{ matrix.OSRM_CONNECTION_EXP_BACKOFF_COEF }}
+      ENABLE_LTO: ${{ matrix.ENABLE_LTO }}
     steps:
     - uses: actions/checkout@v4
     - name: Build machine architecture
@@ -488,6 +495,13 @@ jobs:
         tar zxvf onetbb.tgz
         sudo cp -a oneapi-tbb-${TBB_VERSION}/lib/. /usr/local/lib/
         sudo cp -a oneapi-tbb-${TBB_VERSION}/include/. /usr/local/include/
+    - name: Add Clang 18 to list of Conan compilers # workaround for the issue that Conan 1.x doesn't know about Clang 18
+      if: ${{ matrix.ENABLE_CONAN == 'ON' && matrix.CCOMPILER == 'clang-18' }}
+      run: |
+        sudo wget https://github.com/mikefarah/yq/releases/download/v4.9.6/yq_linux_amd64 -O /usr/bin/yq && sudo chmod +x /usr/bin/yq
+
+        conan config init
+        yq eval '.compiler.clang.version += ["18"]' -i "$HOME/.conan/settings.yml"
     - name: Prepare build
       run: |
         mkdir ${OSRM_BUILD_DIR}
@@ -521,6 +535,7 @@ jobs:
                  -DENABLE_SANITIZER=${ENABLE_SANITIZER:-OFF} \
                  -DBUILD_TOOLS=${BUILD_TOOLS:-OFF} \
                  -DENABLE_CCACHE=ON \
+                 -DENABLE_LTO=${ENABLE_LTO:-ON} \
                  -DCMAKE_INSTALL_PREFIX=${OSRM_INSTALL_DIR}
         make --jobs=${JOBS}
 
@@ -638,48 +653,28 @@ jobs:
   benchmarks:
     if: github.event_name == 'pull_request'
     needs: [format-taginfo-docs]
-    runs-on: ubuntu-22.04
+    runs-on: self-hosted
     env:
-      CCOMPILER: clang-13
-      CXXCOMPILER: clang++-13
-      CC: clang-13
-      CXX: clang++-13
+      CCOMPILER: clang-16
+      CXXCOMPILER: clang++-16
+      CC: clang-16
+      CXX: clang++-16
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       PR_NUMBER: ${{ github.event.pull_request.number }}
       GITHUB_REPOSITORY: ${{ github.repository }}
       RUN_BIG_BENCHMARK: ${{ contains(github.event.pull_request.labels.*.name, 'Performance') }}
     steps: 
-      - name: Enable data.osm.pbf cache
-        if: ${{ ! env.RUN_BIG_BENCHMARK }}        
-        uses: actions/cache@v4
-        with:
-          path: ~/data.osm.pbf
-          key: v1-data-osm-pbf
-          restore-keys: |
-            v1-data-osm-pbf
-      - name: Enable compiler cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.ccache
-          key: v1-ccache-benchmarks-${{ github.sha }}
-          restore-keys: |
-            v1-ccache-benchmarks-
-      - name: Enable Conan cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.conan
-          key: v1-conan-benchmarks-${{ github.sha }}
-          restore-keys: |
-            v1-conan-benchmarks-
       - name: Checkout PR Branch
         uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
           path: pr
-      - name: Install dependencies
-        run: | 
-          python3 -m pip install "conan<2.0.0" "requests==2.31.0" "numpy==1.26.4" 
-          sudo apt-get update -y && sudo apt-get install ccache
+      - name: Activate virtualenv
+        run: |
+          python3 -m venv .venv
+          source .venv/bin/activate
+          echo PATH=$PATH >> $GITHUB_ENV
+          pip install "conan<2.0.0" "requests==2.31.0" "numpy==1.26.4" 
       - name: Prepare data
         run: |
           if [ "$RUN_BIG_BENCHMARK" = "true" ]; then
@@ -707,50 +702,67 @@ jobs:
           path: base
       - name: Build Base Branch
         run: |
+          cd base
+          npm ci --ignore-scripts
+          cd ..
           mkdir base/build
           cd base/build
-          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release ..
+          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_NODE_BINDINGS=ON ..
           make -j$(nproc)
           make -j$(nproc) benchmarks
           cd ..
           make -C test/data 
       - name: Build PR Branch
         run: |
+          cd pr
+          npm ci --ignore-scripts
+          cd ..
           mkdir -p pr/build
           cd pr/build
-          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release ..
+          cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_NODE_BINDINGS=ON ..
           make -j$(nproc) 
           make -j$(nproc) benchmarks
           cd ..
           make -C test/data 
       # we run benchmarks in tmpfs to avoid impact of disk IO
       - name: Create folder for tmpfs 
-        run: mkdir -p /opt/benchmarks
+        run: |
+          # if by any chance it was mounted before(e.g. due to previous job failed), unmount it
+          sudo umount ~/benchmarks | true
+          rm -rf ~/benchmarks 
+          mkdir -p ~/benchmarks
+      # see https://llvm.org/docs/Benchmarking.html
       - name: Run PR Benchmarks 
         run: |
-          sudo mount -t tmpfs -o size=4g none /opt/benchmarks
-          cp -rf pr/build /opt/benchmarks/build
-          mkdir -p /opt/benchmarks/test
-          cp -rf pr/test/data /opt/benchmarks/test/data
-          cp -rf pr/profiles /opt/benchmarks/profiles
+          sudo cset shield -c 2-3 -k on
+          sudo mount -t tmpfs -o size=4g none ~/benchmarks
+          cp -rf pr/build ~/benchmarks/build
+          cp -rf pr/lib ~/benchmarks/lib
+          mkdir -p ~/benchmarks/test
+          cp -rf pr/test/data ~/benchmarks/test/data
+          cp -rf pr/profiles ~/benchmarks/profiles
 
-          ./pr/scripts/ci/run_benchmarks.sh -f /opt/benchmarks -r $(pwd)/pr_results -s $(pwd)/pr -b /opt/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
-          sudo umount /opt/benchmarks
+          sudo cset shield --exec -- ./pr/scripts/ci/run_benchmarks.sh -f ~/benchmarks -r $(pwd)/pr_results -s $(pwd)/pr -b ~/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
+          sudo umount ~/benchmarks
+          sudo cset shield --reset
       - name: Run Base Benchmarks
         run: |
-          sudo mount -t tmpfs -o size=4g none /opt/benchmarks
-          cp -rf base/build /opt/benchmarks/build
-          mkdir -p /opt/benchmarks/test
-          cp -rf base/test/data /opt/benchmarks/test/data
-          cp -rf base/profiles /opt/benchmarks/profiles
+          sudo cset shield -c 2-3 -k on
+          sudo mount -t tmpfs -o size=4g none ~/benchmarks
+          cp -rf base/build ~/benchmarks/build
+          cp -rf base/lib ~/benchmarks/lib
+          mkdir -p ~/benchmarks/test
+          cp -rf base/test/data ~/benchmarks/test/data
+          cp -rf base/profiles ~/benchmarks/profiles
 
           # TODO: remove it when base branch will have this file at needed location
-          if [ ! -f /opt/benchmarks/test/data/portugal_to_korea.json ]; then
-            cp base/src/benchmarks/portugal_to_korea.json /opt/benchmarks/test/data/portugal_to_korea.json
+          if [ ! -f ~/benchmarks/test/data/portugal_to_korea.json ]; then
+            cp base/src/benchmarks/portugal_to_korea.json ~/benchmarks/test/data/portugal_to_korea.json
           fi
           # we intentionally use scripts from PR branch to be able to update them and see results in the same PR
-          ./pr/scripts/ci/run_benchmarks.sh -f /opt/benchmarks -r $(pwd)/base_results -s $(pwd)/pr -b /opt/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
-          sudo umount /opt/benchmarks
+          sudo cset shield --exec -- cset shield --exec -- ./pr/scripts/ci/run_benchmarks.sh -f ~/benchmarks -r $(pwd)/base_results -s $(pwd)/pr -b ~/benchmarks/build -o ~/data.osm.pbf -g ~/gps_traces.csv
+          sudo umount ~/benchmarks
+          sudo cset shield --reset
       - name: Post Benchmark Results
         run: |
           python3 pr/scripts/ci/post_benchmark_results.py base_results pr_results

.github/workflows/stale.yml

@@ -1,5 +1,9 @@
 name: 'Close stale issues'
 on:
+  # NOTE: uncomment if you want to test changes to this file in PRs CI
+  # pull_request:
+  #   branches:
+  #     - master
   schedule:
     - cron: '30 1 * * *' # every day at 1:30am
 permissions:
@@ -12,6 +16,7 @@ jobs:
     steps:
       - uses: actions/stale@v9
         with:
+          operations-per-run: 3000
           stale-issue-message: 'This issue seems to be stale. It will be closed in 30 days if no further activity occurs.'
           stale-pr-message: 'This PR seems to be stale. Is it still relevant?'
           days-before-issue-stale: 180 # 6 months

.gitignore

@@ -46,7 +46,6 @@ Thumbs.db
 /example/build/
 /test/data/monaco.osrm*
 /test/data/ch
-/test/data/corech
 /test/data/mld
 /cmake/postinst
 

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Unreleased
   - Changes from 5.27.1
     - Features
+      - ADDED: Route pedestrians over highway=platform [#6993](https://github.com/Project-OSRM/osrm-backend/pull/6993)
       - REMOVED: Remove all core-CH left-overs [#6920](https://github.com/Project-OSRM/osrm-backend/pull/6920)
       - ADDED: Add support for a keepalive_timeout flag. [#6674](https://github.com/Project-OSRM/osrm-backend/pull/6674)
       - ADDED: Add support for a default_radius flag. [#6575](https://github.com/Project-OSRM/osrm-backend/pull/6575)
@@ -24,6 +25,14 @@
     - NodeJS:
       - CHANGED: Use node-api instead of NAN. [#6452](https://github.com/Project-OSRM/osrm-backend/pull/6452)
     - Misc:
+      - CHANGED: Use thread_local instead of boost::thread_specific_ptr. [#6991](https://github.com/Project-OSRM/osrm-backend/pull/6991)
+      - CHANGED: Bump flatbuffers to v24.3.25 version. [#6988](https://github.com/Project-OSRM/osrm-backend/pull/6988)
+      - CHANGED: Add .reserve(...) to assembleGeometry function. [#6983](https://github.com/Project-OSRM/osrm-backend/pull/6983)
+      - CHANGED: Get rid of boost::optional leftovers. [#6977](https://github.com/Project-OSRM/osrm-backend/pull/6977)
+      - CHANGED: Use Link Time Optimisation whenever possible. [#6967](https://github.com/Project-OSRM/osrm-backend/pull/6967)
+      - CHANGED: Use struct instead of tuple to define UnpackedPath. [#6974](https://github.com/Project-OSRM/osrm-backend/pull/6974)
+      - CHANGED: Micro performance optimisation in map matching. [#6976](https://github.com/Project-OSRM/osrm-backend/pull/6976)
+      - CHANGED: Re-use priority queue in StaticRTree. [#6952](https://github.com/Project-OSRM/osrm-backend/pull/6952)
       - CHANGED: Optimise encodePolyline function. [#6940](https://github.com/Project-OSRM/osrm-backend/pull/6940)
       - CHANGED: Avoid reallocations in base64 encoding. [#6951](https://github.com/Project-OSRM/osrm-backend/pull/6951)
       - CHANGED: Get rid of unused Boost dependencies. [#6960](https://github.com/Project-OSRM/osrm-backend/pull/6960)

CMakeLists.txt

@@ -31,11 +31,12 @@ option(ENABLE_ASSERTIONS "Use assertions in release mode" OFF)
 option(ENABLE_DEBUG_LOGGING "Use debug logging in release mode" OFF)
 option(ENABLE_COVERAGE "Build with coverage instrumentalisation" OFF)
 option(ENABLE_SANITIZER "Use memory sanitizer for Debug build" OFF)
-option(ENABLE_LTO "Use LTO if available" OFF)
+option(ENABLE_LTO "Use Link Time Optimisation" ON)
 option(ENABLE_FUZZING "Fuzz testing using LLVM's libFuzzer" OFF)
 option(ENABLE_NODE_BINDINGS "Build NodeJs bindings" OFF)
 option(ENABLE_CLANG_TIDY "Enables clang-tidy checks" OFF)
 
+
 if (ENABLE_CLANG_TIDY)
   find_program(CLANG_TIDY_COMMAND NAMES clang-tidy)
   if(NOT CLANG_TIDY_COMMAND)
@@ -57,6 +58,18 @@ if (POLICY CMP0074)
 endif()
 project(OSRM C CXX)
 
+
+if(ENABLE_LTO AND (CMAKE_BUILD_TYPE MATCHES Release OR CMAKE_BUILD_TYPE MATCHES MinRelSize OR CMAKE_BUILD_TYPE MATCHES RelWithDebInfo))
+  include(CheckIPOSupported)
+  check_ipo_supported(RESULT LTO_SUPPORTED OUTPUT error)
+  if(LTO_SUPPORTED)
+      message(STATUS "IPO / LTO enabled")
+      set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+  else()
+      message(FATAL_ERROR "IPO / LTO not supported: <${error}>")
+  endif()
+endif()
+
 # add @loader_path/$ORIGIN to rpath to make binaries relocatable
 if (APPLE)
   set(CMAKE_BUILD_RPATH "@loader_path")
@@ -120,6 +133,7 @@ endif()
 
 include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/include/)
 include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/include/)
+include_directories(SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/generated/include/)
 include_directories(SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/third_party/sol2/include)
 
 set(BOOST_COMPONENTS date_time iostreams program_options thread unit_test_framework)
@@ -208,17 +222,6 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og -ggdb")
 endif()
 
-if(ENABLE_LTO AND (CMAKE_BUILD_TYPE MATCHES Release OR CMAKE_BUILD_TYPE MATCHES MinRelSize OR CMAKE_BUILD_TYPE MATCHES RelWithDebInfo))
-  include(CheckIPOSupported)
-  check_ipo_supported(RESULT LTO_SUPPORTED OUTPUT error)
-  if(LTO_SUPPORTED)
-      message(STATUS "IPO / LTO enabled")
-      set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
-  else()
-      message(WARNING "IPO / LTO not supported: <${error}>")
-  endif()
-endif()
-
 set(MAYBE_COVERAGE_LIBRARIES "")
 if (ENABLE_COVERAGE)
   if (NOT CMAKE_BUILD_TYPE MATCHES "Debug")
@@ -290,6 +293,7 @@ include_directories(SYSTEM ${MICROTAR_INCLUDE_DIR})
 
 add_library(MICROTAR OBJECT "${CMAKE_CURRENT_SOURCE_DIR}/third_party/microtar/src/microtar.c")
 set_property(TARGET MICROTAR PROPERTY POSITION_INDEPENDENT_CODE ON)
+
 target_no_warning(MICROTAR unused-variable)
 target_no_warning(MICROTAR format)
 
@@ -349,6 +353,9 @@ if(ENABLE_CONAN)
     KEEP_RPATHS
     NO_OUTPUT_DIRS
     OPTIONS boost:without_stacktrace=True # Apple Silicon cross-compilation fails without it
+            onetbb:tbbmalloc=False
+            onetbb:tbbproxy=False
+            onetbb:tbbbind=False
     BUILD missing
   )
 

cmake/warnings.cmake

@@ -64,7 +64,6 @@ add_warning(init-self)
 add_warning(bool-compare)
 add_warning(logical-not-parentheses)
 add_warning(logical-op)
-add_warning(maybe-uninitialized)
 add_warning(misleading-indentation)
 # `no-` prefix is part of warning name(i.e. doesn't mean we are disabling it)
 add_warning(no-return-local-addr)
@@ -84,3 +83,6 @@ no_warning(comma-subscript)
 no_warning(ambiguous-reversed-operator)
 no_warning(restrict)
 no_warning(free-nonheap-object)
+if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+  no_warning(stringop-overflow)
+endif()

docker/Dockerfile-alpine

@@ -31,7 +31,7 @@ RUN NPROC=${BUILD_CONCURRENCY:-$(nproc)} && \
     case ${DOCKER_TAG} in *"-debug"*) BUILD_TYPE="Debug";; esac && \
     case ${DOCKER_TAG} in *"-assertions"*) BUILD_TYPE="RelWithDebInfo" && ENABLE_ASSERTIONS="On" && BUILD_TOOLS="On";; esac && \
     echo "Building ${BUILD_TYPE} with ENABLE_ASSERTIONS=${ENABLE_ASSERTIONS} BUILD_TOOLS=${BUILD_TOOLS}" && \
-    cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DENABLE_ASSERTIONS=${ENABLE_ASSERTIONS} -DBUILD_TOOLS=${BUILD_TOOLS} -DENABLE_LTO=On && \
+    cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DENABLE_ASSERTIONS=${ENABLE_ASSERTIONS} -DBUILD_TOOLS=${BUILD_TOOLS} -DENABLE_LTO=OFF && \
     make -j${NPROC} install && \
     cd ../profiles && \
     cp -r * /opt && \

docker/Dockerfile-debian

@@ -21,7 +21,7 @@ COPY . /src
 WORKDIR /src
 
 RUN NPROC=${BUILD_CONCURRENCY:-$(nproc)} && \
-    export CXXFLAGS="-Wno-array-bounds -Wno-uninitialized" && \
+    export CXXFLAGS="-Wno-array-bounds -Wno-uninitialized -Wno-stringop-overflow" && \
     echo "Building OSRM ${DOCKER_TAG}" && \
     git show --format="%H" | head -n1 > /opt/OSRM_GITSHA && \
     echo "Building OSRM gitsha $(cat /opt/OSRM_GITSHA)" && \

features/foot/access.feature

@@ -26,7 +26,15 @@ Feature: Foot - Access tags on ways
             | motorway | no     |      |       |
             | motorway | no     | yes  | x     |
             | motorway | no     | no   |       |
-
+            | platform |        |      | x     |
+            | platform |        | yes  | x     |
+            | platform |        | no   |       |
+            | platform | yes    |      | x     |
+            | platform | yes    | yes  | x     |
+            | platform | yes    | no   |       |
+            | platform | no     |      |       |
+            | platform | no     | yes  | x     |
+            | platform | no     | no   |       |
 
     Scenario: Foot - Overwriting implied acccess on ways
         Then routability should be

features/guidance/collapse.feature

@@ -1061,7 +1061,7 @@ Feature: Collapse
         #    i
         #    """
 
-        And the node locations
+        Given the node locations
           | node |         lat |         lon |        #id |
           | a    | -33.9644254 | 151.1378673 |   33226063 |
           | b    | -33.9644373 | 151.1377172 | 1072787030 |

features/guidance/roundabout-left-sided.feature

@@ -9,7 +9,7 @@ Feature: Basic Roundabout
             """
 
     Scenario: Roundabout exit counting for left sided driving
-        And a grid size of 10 meters
+        Given a grid size of 10 meters
         And the node map
             """
                 a
@@ -33,7 +33,7 @@ Feature: Basic Roundabout
            | a,h       | ab,gh,gh | depart,roundabout turn right exit-3,arrive    |
 
     Scenario: Mixed Entry and Exit
-        And a grid size of 10 meters
+        Given a grid size of 10 meters
         And the node map
            """
              c   a

features/options/contract/help.feature

@@ -1,44 +0,0 @@
-@prepare @options @help
-Feature: osrm-contract command line options: help
-
-    Scenario: osrm-contract - Help should be shown when no options are passed
-        When I try to run "osrm-contract"
-        Then stderr should be empty
-        And stdout should contain /osrm-contract(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And stdout should contain "--core"
-        And stdout should contain "--segment-speed-file"
-        And it should exit with an error
-
-    Scenario: osrm-contract - Help, short
-        When I run "osrm-contract -h"
-        Then stderr should be empty
-        And stdout should contain /osrm-contract(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And stdout should contain "--core"
-        And stdout should contain "--segment-speed-file"
-        And it should exit successfully
-
-    Scenario: osrm-contract - Help, long
-        When I run "osrm-contract --help"
-        Then stderr should be empty
-        And stdout should contain /osrm-contract(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And stdout should contain "--core"
-        And stdout should contain "--segment-speed-file"
-        And it should exit successfully

features/options/customize/help.feature

@@ -1,38 +0,0 @@
-@contract @options @help
-Feature: osrm-customize command line options: help
-
-    Scenario: osrm-customize - Help should be shown when no options are passed
-        When I try to run "osrm-customize"
-        Then stderr should be empty
-        And stdout should contain /osrm-customize(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And it should exit with an error
-
-    Scenario: osrm-customize - Help, short
-        When I run "osrm-customize -h"
-        Then stderr should be empty
-        And stdout should contain /osrm-customize(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And it should exit successfully
-
-    Scenario: osrm-customize - Help, long
-        When I run "osrm-customize --help"
-        Then stderr should be empty
-        And stdout should contain /osrm-customize(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And it should exit successfully

features/options/datastore/datastore.feature

@@ -33,10 +33,6 @@ Feature: osrm-datastore command line options
         When I try to run "osrm-datastore {processed_file} --dataset-name cucumber/only_metric_test --only-metric"
         Then it should exit successfully
 
-    Scenario: osrm-datastore - Displaying help should work
-        When I try to run "osrm-datastore {processed_file} --help"
-        Then it should exit successfully
-
     Scenario: osrm-datastore - Errors on invalid path
         When I try to run "osrm-datastore invalid_path.osrm"
         Then stderr should contain "[error] Config contains invalid file paths."

features/options/extract/help.feature

@@ -1,47 +0,0 @@
-@extract @options @help
-Feature: osrm-extract command line options: help
-
-    Background:
-        Given the profile "testbot"
-
-    Scenario: osrm-extract - Help should be shown when no options are passed
-        When I run "osrm-extract"
-        Then stderr should be empty
-        And stdout should contain /osrm-extract(.exe)? <input.osm/.osm.bz2/.osm.pbf> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--profile"
-        And stdout should contain "--threads"
-        And stdout should contain "--small-component-size"
-        And it should exit successfully
-
-    Scenario: osrm-extract - Help, short
-        When I run "osrm-extract -h"
-        Then stderr should be empty
-        And stdout should contain /osrm-extract(.exe)? <input.osm/.osm.bz2/.osm.pbf> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--profile"
-        And stdout should contain "--threads"
-        And stdout should contain "--small-component-size"
-        And it should exit successfully
-
-    Scenario: osrm-extract - Help, long
-        When I run "osrm-extract --help"
-        Then stderr should be empty
-        And stdout should contain /osrm-extract(.exe)? <input.osm/.osm.bz2/.osm.pbf> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--profile"
-        And stdout should contain "--threads"
-        And stdout should contain "--small-component-size"
-        And it should exit successfully

features/options/partition/help.feature

@@ -1,53 +0,0 @@
-@partition @options @help
-Feature: osrm-partition command line options: help
-
-    Scenario: osrm-partition - Help should be shown when no options are passed
-        When I try to run "osrm-partition"
-        Then stderr should be empty
-        And stdout should contain /osrm-partition(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And stdout should contain "--balance"
-        And stdout should contain "--boundary"
-        And stdout should contain "--optimizing-cuts"
-        And stdout should contain "--small-component-size"
-        And stdout should contain "--max-cell-sizes"
-        And it should exit with an error
-
-    Scenario: osrm-partition - Help, short
-        When I run "osrm-partition -h"
-        Then stderr should be empty
-        And stdout should contain /osrm-partition(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And stdout should contain "--balance"
-        And stdout should contain "--boundary"
-        And stdout should contain "--optimizing-cuts"
-        And stdout should contain "--small-component-size"
-        And stdout should contain "--max-cell-sizes"
-        And it should exit successfully
-
-    Scenario: osrm-partition - Help, long
-        When I run "osrm-partition --help"
-        Then stderr should be empty
-        And stdout should contain /osrm-partition(.exe)? <input.osrm> \[options\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--threads"
-        And stdout should contain "--balance"
-        And stdout should contain "--boundary"
-        And stdout should contain "--optimizing-cuts"
-        And stdout should contain "--small-component-size"
-        And stdout should contain "--max-cell-sizes"
-        And it should exit successfully

features/options/routed/help.feature

@@ -1,71 +0,0 @@
-@routed @options @help
-Feature: osrm-routed command line options: help
-
-    Background:
-        Given the profile "testbot"
-
-    Scenario: osrm-routed - Help should be shown when no options are passed
-        When I run "osrm-routed"
-        Then stderr should be empty
-        And stdout should contain /osrm-routed(.exe)? <base.osrm> \[<options>\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "--trial"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--ip"
-        And stdout should contain "--port"
-        And stdout should contain "--threads"
-        And stdout should contain "--shared-memory"
-        And stdout should contain "--max-viaroute-size"
-        And stdout should contain "--max-trip-size"
-        And stdout should contain "--max-table-size"
-        And stdout should contain "--max-matching-size"
-        And stdout should contain "--default-radius"
-        And stdout should contain "--keepalive-timeout"
-        And it should exit successfully
-
-    Scenario: osrm-routed - Help, short
-        When I run "osrm-routed -h"
-        Then stderr should be empty
-        And stdout should contain /osrm-routed(.exe)? <base.osrm> \[<options>\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "--trial"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--ip"
-        And stdout should contain "--port"
-        And stdout should contain "--threads"
-        And stdout should contain "--shared-memory"
-        And stdout should contain "--max-viaroute-size"
-        And stdout should contain "--max-trip-size"
-        And stdout should contain "--max-table-size"
-        And stdout should contain "--max-matching-size"
-        And stdout should contain "--default-radius"
-        And stdout should contain "--keepalive-timeout"
-        And it should exit successfully
-
-    Scenario: osrm-routed - Help, long
-        When I run "osrm-routed --help"
-        Then stderr should be empty
-        And stdout should contain /osrm-routed(.exe)? <base.osrm> \[<options>\]:/
-        And stdout should contain "Options:"
-        And stdout should contain "--version"
-        And stdout should contain "--help"
-        And stdout should contain "--verbosity"
-        And stdout should contain "--trial"
-        And stdout should contain "Configuration:"
-        And stdout should contain "--ip"
-        And stdout should contain "--port"
-        And stdout should contain "--threads"
-        And stdout should contain "--shared-memory"
-        And stdout should contain "--max-trip-size"
-        And stdout should contain "--max-table-size"
-        And stdout should contain "--max-table-size"
-        And stdout should contain "--max-matching-size"
-        And stdout should contain "--default-radius"
-        And stdout should contain "--keepalive-timeout"
-        And it should exit successfully

features/testbot/loop.feature

@@ -75,7 +75,7 @@ Feature: Avoid weird loops caused by rounding errors
 
     @412 @via
     Scenario: Avoid weird loops 3
-        And the node map
+        Given the node map
             """
             a
             b e

features/testbot/matching.feature

@@ -136,22 +136,6 @@ Feature: Basic Map Matching
             | trace | matchings |
             | abcbd | abbd      |
 
-    Scenario: Testbot - Map matching with core factor
-        Given the contract extra arguments "--core 0.8"
-        Given the node map
-            """
-            a b c d
-                e
-            """
-
-        And the ways
-            | nodes | oneway |
-            | abcd  | no     |
-
-        When I match I should get
-            | trace | timestamps | matchings |
-            | abcd  | 0 1 2 3    | abcd      |
-
     Scenario: Testbot - Map matching with small distortion
         Given the node map
             """

features/testbot/snap_intersection.feature

@@ -401,12 +401,12 @@ Feature: Snapping at intersections
         Given the extract extra arguments "--small-component-size=4"
 
         And the ways
-            | nodes | oneway |
-            | ab    | no     |
-            | bc    | no     |
-            | cd    | no     |
-            | fed   | no     |
-            | bg    | yes    | # small SCC
+            | nodes | oneway | # comment  |
+            | ab    | no     |            |
+            | bc    | no     |            |
+            | cd    | no     |            |
+            | fed   | no     |            |
+            | bg    | yes    | small SCC  |
 
         And the relations
             | type        | way:from | way:to | node:via | restriction   |
@@ -437,14 +437,14 @@ Feature: Snapping at intersections
         Given the extract extra arguments "--small-component-size=4"
 
         And the ways
-            | nodes | oneway |
-            | ab    | no     |
-            | bc    | no     |
-            | cd    | no     |
-            | fed   | no     |
-            | ghi   | no     |
-            | jkl   | no     |
-            | bm    | yes    | # small SCC
+            | nodes | oneway | # comment |
+            | ab    | no     |           |
+            | bc    | no     |           |
+            | cd    | no     |           |
+            | fed   | no     |           |
+            | ghi   | no     |           |
+            | jkl   | no     |           |
+            | bm    | yes    | small SCC |
 
         And the relations
             | type        | way:from | way:to | node:via | restriction   |

features/testbot/via.feature

@@ -65,32 +65,6 @@ Feature: Via points
             | waypoints | route          | turns                                                      |
             | 1,2,3     | cd,ac,ab,bd,cd | depart,new name right,new name right,new name right,arrive |
 
-    Scenario: Simple via point with core factor
-        Given the contract extra arguments "--core 0.8"
-        Given the node map
-            """
-            a b c d
-              e f g
-                h i
-                  j
-            """
-
-        And the ways
-            | nodes |
-            | abcd  |
-            | efg   |
-            | hi    |
-            | be    |
-            | cfh   |
-            | dgij  |
-
-        When I route I should get
-            | waypoints | route               |
-            | a,b,c     | abcd,abcd,abcd,abcd |
-            | c,b,a     | abcd,abcd,abcd,abcd |
-            | a,d,j     | abcd,abcd,dgij,dgij |
-            | j,d,a     | dgij,dgij,abcd,abcd |
-
     Scenario: Via point at a dead end
         Given the node map
             """

generated/include/engine/api/flatbuffers/fbresult_generated.h

@@ -0,0 +1,249 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+
+
+#ifndef FLATBUFFERS_GENERATED_FBRESULT_OSRM_ENGINE_API_FBRESULT_H_
+#define FLATBUFFERS_GENERATED_FBRESULT_OSRM_ENGINE_API_FBRESULT_H_
+
+#include "flatbuffers/flatbuffers.h"
+
+// Ensure the included flatbuffers.h is the same version as when this file was
+// generated, otherwise it may not be compatible.
+static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
+              FLATBUFFERS_VERSION_MINOR == 3 &&
+              FLATBUFFERS_VERSION_REVISION == 25,
+             "Non-compatible flatbuffers version included");
+
+#include "route_generated.h"
+#include "table_generated.h"
+
+namespace osrm {
+namespace engine {
+namespace api {
+namespace fbresult {
+
+struct Error;
+struct ErrorBuilder;
+
+struct FBResult;
+struct FBResultBuilder;
+
+struct Error FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
+  typedef ErrorBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_CODE = 4,
+    VT_MESSAGE = 6
+  };
+  const ::flatbuffers::String *code() const {
+    return GetPointer<const ::flatbuffers::String *>(VT_CODE);
+  }
+  const ::flatbuffers::String *message() const {
+    return GetPointer<const ::flatbuffers::String *>(VT_MESSAGE);
+  }
+  bool Verify(::flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_CODE) &&
+           verifier.VerifyString(code()) &&
+           VerifyOffset(verifier, VT_MESSAGE) &&
+           verifier.VerifyString(message()) &&
+           verifier.EndTable();
+  }
+};
+
+struct ErrorBuilder {
+  typedef Error Table;
+  ::flatbuffers::FlatBufferBuilder &fbb_;
+  ::flatbuffers::uoffset_t start_;
+  void add_code(::flatbuffers::Offset<::flatbuffers::String> code) {
+    fbb_.AddOffset(Error::VT_CODE, code);
+  }
+  void add_message(::flatbuffers::Offset<::flatbuffers::String> message) {
+    fbb_.AddOffset(Error::VT_MESSAGE, message);
+  }
+  explicit ErrorBuilder(::flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ::flatbuffers::Offset<Error> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = ::flatbuffers::Offset<Error>(end);
+    return o;
+  }
+};
+
+inline ::flatbuffers::Offset<Error> CreateError(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    ::flatbuffers::Offset<::flatbuffers::String> code = 0,
+    ::flatbuffers::Offset<::flatbuffers::String> message = 0) {
+  ErrorBuilder builder_(_fbb);
+  builder_.add_message(message);
+  builder_.add_code(code);
+  return builder_.Finish();
+}
+
+inline ::flatbuffers::Offset<Error> CreateErrorDirect(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    const char *code = nullptr,
+    const char *message = nullptr) {
+  auto code__ = code ? _fbb.CreateString(code) : 0;
+  auto message__ = message ? _fbb.CreateString(message) : 0;
+  return osrm::engine::api::fbresult::CreateError(
+      _fbb,
+      code__,
+      message__);
+}
+
+struct FBResult FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
+  typedef FBResultBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_ERROR = 4,
+    VT_CODE = 6,
+    VT_DATA_VERSION = 8,
+    VT_WAYPOINTS = 10,
+    VT_ROUTES = 12,
+    VT_TABLE = 14
+  };
+  bool error() const {
+    return GetField<uint8_t>(VT_ERROR, 0) != 0;
+  }
+  const osrm::engine::api::fbresult::Error *code() const {
+    return GetPointer<const osrm::engine::api::fbresult::Error *>(VT_CODE);
+  }
+  const ::flatbuffers::String *data_version() const {
+    return GetPointer<const ::flatbuffers::String *>(VT_DATA_VERSION);
+  }
+  const ::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>> *waypoints() const {
+    return GetPointer<const ::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>> *>(VT_WAYPOINTS);
+  }
+  const ::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::RouteObject>> *routes() const {
+    return GetPointer<const ::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::RouteObject>> *>(VT_ROUTES);
+  }
+  const osrm::engine::api::fbresult::TableResult *table() const {
+    return GetPointer<const osrm::engine::api::fbresult::TableResult *>(VT_TABLE);
+  }
+  bool Verify(::flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyField<uint8_t>(verifier, VT_ERROR, 1) &&
+           VerifyOffset(verifier, VT_CODE) &&
+           verifier.VerifyTable(code()) &&
+           VerifyOffset(verifier, VT_DATA_VERSION) &&
+           verifier.VerifyString(data_version()) &&
+           VerifyOffset(verifier, VT_WAYPOINTS) &&
+           verifier.VerifyVector(waypoints()) &&
+           verifier.VerifyVectorOfTables(waypoints()) &&
+           VerifyOffset(verifier, VT_ROUTES) &&
+           verifier.VerifyVector(routes()) &&
+           verifier.VerifyVectorOfTables(routes()) &&
+           VerifyOffset(verifier, VT_TABLE) &&
+           verifier.VerifyTable(table()) &&
+           verifier.EndTable();
+  }
+};
+
+struct FBResultBuilder {
+  typedef FBResult Table;
+  ::flatbuffers::FlatBufferBuilder &fbb_;
+  ::flatbuffers::uoffset_t start_;
+  void add_error(bool error) {
+    fbb_.AddElement<uint8_t>(FBResult::VT_ERROR, static_cast<uint8_t>(error), 0);
+  }
+  void add_code(::flatbuffers::Offset<osrm::engine::api::fbresult::Error> code) {
+    fbb_.AddOffset(FBResult::VT_CODE, code);
+  }
+  void add_data_version(::flatbuffers::Offset<::flatbuffers::String> data_version) {
+    fbb_.AddOffset(FBResult::VT_DATA_VERSION, data_version);
+  }
+  void add_waypoints(::flatbuffers::Offset<::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>>> waypoints) {
+    fbb_.AddOffset(FBResult::VT_WAYPOINTS, waypoints);
+  }
+  void add_routes(::flatbuffers::Offset<::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::RouteObject>>> routes) {
+    fbb_.AddOffset(FBResult::VT_ROUTES, routes);
+  }
+  void add_table(::flatbuffers::Offset<osrm::engine::api::fbresult::TableResult> table) {
+    fbb_.AddOffset(FBResult::VT_TABLE, table);
+  }
+  explicit FBResultBuilder(::flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ::flatbuffers::Offset<FBResult> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = ::flatbuffers::Offset<FBResult>(end);
+    return o;
+  }
+};
+
+inline ::flatbuffers::Offset<FBResult> CreateFBResult(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    bool error = false,
+    ::flatbuffers::Offset<osrm::engine::api::fbresult::Error> code = 0,
+    ::flatbuffers::Offset<::flatbuffers::String> data_version = 0,
+    ::flatbuffers::Offset<::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>>> waypoints = 0,
+    ::flatbuffers::Offset<::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::RouteObject>>> routes = 0,
+    ::flatbuffers::Offset<osrm::engine::api::fbresult::TableResult> table = 0) {
+  FBResultBuilder builder_(_fbb);
+  builder_.add_table(table);
+  builder_.add_routes(routes);
+  builder_.add_waypoints(waypoints);
+  builder_.add_data_version(data_version);
+  builder_.add_code(code);
+  builder_.add_error(error);
+  return builder_.Finish();
+}
+
+inline ::flatbuffers::Offset<FBResult> CreateFBResultDirect(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    bool error = false,
+    ::flatbuffers::Offset<osrm::engine::api::fbresult::Error> code = 0,
+    const char *data_version = nullptr,
+    const std::vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>> *waypoints = nullptr,
+    const std::vector<::flatbuffers::Offset<osrm::engine::api::fbresult::RouteObject>> *routes = nullptr,
+    ::flatbuffers::Offset<osrm::engine::api::fbresult::TableResult> table = 0) {
+  auto data_version__ = data_version ? _fbb.CreateString(data_version) : 0;
+  auto waypoints__ = waypoints ? _fbb.CreateVector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>>(*waypoints) : 0;
+  auto routes__ = routes ? _fbb.CreateVector<::flatbuffers::Offset<osrm::engine::api::fbresult::RouteObject>>(*routes) : 0;
+  return osrm::engine::api::fbresult::CreateFBResult(
+      _fbb,
+      error,
+      code,
+      data_version__,
+      waypoints__,
+      routes__,
+      table);
+}
+
+inline const osrm::engine::api::fbresult::FBResult *GetFBResult(const void *buf) {
+  return ::flatbuffers::GetRoot<osrm::engine::api::fbresult::FBResult>(buf);
+}
+
+inline const osrm::engine::api::fbresult::FBResult *GetSizePrefixedFBResult(const void *buf) {
+  return ::flatbuffers::GetSizePrefixedRoot<osrm::engine::api::fbresult::FBResult>(buf);
+}
+
+inline bool VerifyFBResultBuffer(
+    ::flatbuffers::Verifier &verifier) {
+  return verifier.VerifyBuffer<osrm::engine::api::fbresult::FBResult>(nullptr);
+}
+
+inline bool VerifySizePrefixedFBResultBuffer(
+    ::flatbuffers::Verifier &verifier) {
+  return verifier.VerifySizePrefixedBuffer<osrm::engine::api::fbresult::FBResult>(nullptr);
+}
+
+inline void FinishFBResultBuffer(
+    ::flatbuffers::FlatBufferBuilder &fbb,
+    ::flatbuffers::Offset<osrm::engine::api::fbresult::FBResult> root) {
+  fbb.Finish(root);
+}
+
+inline void FinishSizePrefixedFBResultBuffer(
+    ::flatbuffers::FlatBufferBuilder &fbb,
+    ::flatbuffers::Offset<osrm::engine::api::fbresult::FBResult> root) {
+  fbb.FinishSizePrefixed(root);
+}
+
+}  // namespace fbresult
+}  // namespace api
+}  // namespace engine
+}  // namespace osrm
+
+#endif  // FLATBUFFERS_GENERATED_FBRESULT_OSRM_ENGINE_API_FBRESULT_H_

generated/include/engine/api/flatbuffers/position_generated.h

@@ -0,0 +1,51 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+
+
+#ifndef FLATBUFFERS_GENERATED_POSITION_OSRM_ENGINE_API_FBRESULT_H_
+#define FLATBUFFERS_GENERATED_POSITION_OSRM_ENGINE_API_FBRESULT_H_
+
+#include "flatbuffers/flatbuffers.h"
+
+// Ensure the included flatbuffers.h is the same version as when this file was
+// generated, otherwise it may not be compatible.
+static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
+              FLATBUFFERS_VERSION_MINOR == 3 &&
+              FLATBUFFERS_VERSION_REVISION == 25,
+             "Non-compatible flatbuffers version included");
+
+namespace osrm {
+namespace engine {
+namespace api {
+namespace fbresult {
+
+struct Position;
+
+FLATBUFFERS_MANUALLY_ALIGNED_STRUCT(4) Position FLATBUFFERS_FINAL_CLASS {
+ private:
+  float longitude_;
+  float latitude_;
+
+ public:
+  Position()
+      : longitude_(0),
+        latitude_(0) {
+  }
+  Position(float _longitude, float _latitude)
+      : longitude_(::flatbuffers::EndianScalar(_longitude)),
+        latitude_(::flatbuffers::EndianScalar(_latitude)) {
+  }
+  float longitude() const {
+    return ::flatbuffers::EndianScalar(longitude_);
+  }
+  float latitude() const {
+    return ::flatbuffers::EndianScalar(latitude_);
+  }
+};
+FLATBUFFERS_STRUCT_END(Position, 8);
+
+}  // namespace fbresult
+}  // namespace api
+}  // namespace engine
+}  // namespace osrm
+
+#endif  // FLATBUFFERS_GENERATED_POSITION_OSRM_ENGINE_API_FBRESULT_H_

generated/include/engine/api/flatbuffers/table_generated.h

@@ -0,0 +1,149 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+
+
+#ifndef FLATBUFFERS_GENERATED_TABLE_OSRM_ENGINE_API_FBRESULT_H_
+#define FLATBUFFERS_GENERATED_TABLE_OSRM_ENGINE_API_FBRESULT_H_
+
+#include "flatbuffers/flatbuffers.h"
+
+// Ensure the included flatbuffers.h is the same version as when this file was
+// generated, otherwise it may not be compatible.
+static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
+              FLATBUFFERS_VERSION_MINOR == 3 &&
+              FLATBUFFERS_VERSION_REVISION == 25,
+             "Non-compatible flatbuffers version included");
+
+#include "waypoint_generated.h"
+
+namespace osrm {
+namespace engine {
+namespace api {
+namespace fbresult {
+
+struct TableResult;
+struct TableResultBuilder;
+
+struct TableResult FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
+  typedef TableResultBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_DURATIONS = 4,
+    VT_ROWS = 6,
+    VT_COLS = 8,
+    VT_DISTANCES = 10,
+    VT_DESTINATIONS = 12,
+    VT_FALLBACK_SPEED_CELLS = 14
+  };
+  const ::flatbuffers::Vector<float> *durations() const {
+    return GetPointer<const ::flatbuffers::Vector<float> *>(VT_DURATIONS);
+  }
+  uint16_t rows() const {
+    return GetField<uint16_t>(VT_ROWS, 0);
+  }
+  uint16_t cols() const {
+    return GetField<uint16_t>(VT_COLS, 0);
+  }
+  const ::flatbuffers::Vector<float> *distances() const {
+    return GetPointer<const ::flatbuffers::Vector<float> *>(VT_DISTANCES);
+  }
+  const ::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>> *destinations() const {
+    return GetPointer<const ::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>> *>(VT_DESTINATIONS);
+  }
+  const ::flatbuffers::Vector<uint32_t> *fallback_speed_cells() const {
+    return GetPointer<const ::flatbuffers::Vector<uint32_t> *>(VT_FALLBACK_SPEED_CELLS);
+  }
+  bool Verify(::flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_DURATIONS) &&
+           verifier.VerifyVector(durations()) &&
+           VerifyField<uint16_t>(verifier, VT_ROWS, 2) &&
+           VerifyField<uint16_t>(verifier, VT_COLS, 2) &&
+           VerifyOffset(verifier, VT_DISTANCES) &&
+           verifier.VerifyVector(distances()) &&
+           VerifyOffset(verifier, VT_DESTINATIONS) &&
+           verifier.VerifyVector(destinations()) &&
+           verifier.VerifyVectorOfTables(destinations()) &&
+           VerifyOffset(verifier, VT_FALLBACK_SPEED_CELLS) &&
+           verifier.VerifyVector(fallback_speed_cells()) &&
+           verifier.EndTable();
+  }
+};
+
+struct TableResultBuilder {
+  typedef TableResult Table;
+  ::flatbuffers::FlatBufferBuilder &fbb_;
+  ::flatbuffers::uoffset_t start_;
+  void add_durations(::flatbuffers::Offset<::flatbuffers::Vector<float>> durations) {
+    fbb_.AddOffset(TableResult::VT_DURATIONS, durations);
+  }
+  void add_rows(uint16_t rows) {
+    fbb_.AddElement<uint16_t>(TableResult::VT_ROWS, rows, 0);
+  }
+  void add_cols(uint16_t cols) {
+    fbb_.AddElement<uint16_t>(TableResult::VT_COLS, cols, 0);
+  }
+  void add_distances(::flatbuffers::Offset<::flatbuffers::Vector<float>> distances) {
+    fbb_.AddOffset(TableResult::VT_DISTANCES, distances);
+  }
+  void add_destinations(::flatbuffers::Offset<::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>>> destinations) {
+    fbb_.AddOffset(TableResult::VT_DESTINATIONS, destinations);
+  }
+  void add_fallback_speed_cells(::flatbuffers::Offset<::flatbuffers::Vector<uint32_t>> fallback_speed_cells) {
+    fbb_.AddOffset(TableResult::VT_FALLBACK_SPEED_CELLS, fallback_speed_cells);
+  }
+  explicit TableResultBuilder(::flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ::flatbuffers::Offset<TableResult> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = ::flatbuffers::Offset<TableResult>(end);
+    return o;
+  }
+};
+
+inline ::flatbuffers::Offset<TableResult> CreateTableResult(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    ::flatbuffers::Offset<::flatbuffers::Vector<float>> durations = 0,
+    uint16_t rows = 0,
+    uint16_t cols = 0,
+    ::flatbuffers::Offset<::flatbuffers::Vector<float>> distances = 0,
+    ::flatbuffers::Offset<::flatbuffers::Vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>>> destinations = 0,
+    ::flatbuffers::Offset<::flatbuffers::Vector<uint32_t>> fallback_speed_cells = 0) {
+  TableResultBuilder builder_(_fbb);
+  builder_.add_fallback_speed_cells(fallback_speed_cells);
+  builder_.add_destinations(destinations);
+  builder_.add_distances(distances);
+  builder_.add_durations(durations);
+  builder_.add_cols(cols);
+  builder_.add_rows(rows);
+  return builder_.Finish();
+}
+
+inline ::flatbuffers::Offset<TableResult> CreateTableResultDirect(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    const std::vector<float> *durations = nullptr,
+    uint16_t rows = 0,
+    uint16_t cols = 0,
+    const std::vector<float> *distances = nullptr,
+    const std::vector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>> *destinations = nullptr,
+    const std::vector<uint32_t> *fallback_speed_cells = nullptr) {
+  auto durations__ = durations ? _fbb.CreateVector<float>(*durations) : 0;
+  auto distances__ = distances ? _fbb.CreateVector<float>(*distances) : 0;
+  auto destinations__ = destinations ? _fbb.CreateVector<::flatbuffers::Offset<osrm::engine::api::fbresult::Waypoint>>(*destinations) : 0;
+  auto fallback_speed_cells__ = fallback_speed_cells ? _fbb.CreateVector<uint32_t>(*fallback_speed_cells) : 0;
+  return osrm::engine::api::fbresult::CreateTableResult(
+      _fbb,
+      durations__,
+      rows,
+      cols,
+      distances__,
+      destinations__,
+      fallback_speed_cells__);
+}
+
+}  // namespace fbresult
+}  // namespace api
+}  // namespace engine
+}  // namespace osrm
+
+#endif  // FLATBUFFERS_GENERATED_TABLE_OSRM_ENGINE_API_FBRESULT_H_

generated/include/engine/api/flatbuffers/waypoint_generated.h

@@ -0,0 +1,205 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+
+
+#ifndef FLATBUFFERS_GENERATED_WAYPOINT_OSRM_ENGINE_API_FBRESULT_H_
+#define FLATBUFFERS_GENERATED_WAYPOINT_OSRM_ENGINE_API_FBRESULT_H_
+
+#include "flatbuffers/flatbuffers.h"
+
+// Ensure the included flatbuffers.h is the same version as when this file was
+// generated, otherwise it may not be compatible.
+static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
+              FLATBUFFERS_VERSION_MINOR == 3 &&
+              FLATBUFFERS_VERSION_REVISION == 25,
+             "Non-compatible flatbuffers version included");
+
+#include "position_generated.h"
+
+namespace osrm {
+namespace engine {
+namespace api {
+namespace fbresult {
+
+struct Uint64Pair;
+
+struct Waypoint;
+struct WaypointBuilder;
+
+FLATBUFFERS_MANUALLY_ALIGNED_STRUCT(8) Uint64Pair FLATBUFFERS_FINAL_CLASS {
+ private:
+  uint64_t first_;
+  uint64_t second_;
+
+ public:
+  Uint64Pair()
+      : first_(0),
+        second_(0) {
+  }
+  Uint64Pair(uint64_t _first, uint64_t _second)
+      : first_(::flatbuffers::EndianScalar(_first)),
+        second_(::flatbuffers::EndianScalar(_second)) {
+  }
+  uint64_t first() const {
+    return ::flatbuffers::EndianScalar(first_);
+  }
+  uint64_t second() const {
+    return ::flatbuffers::EndianScalar(second_);
+  }
+};
+FLATBUFFERS_STRUCT_END(Uint64Pair, 16);
+
+struct Waypoint FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
+  typedef WaypointBuilder Builder;
+  enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
+    VT_HINT = 4,
+    VT_DISTANCE = 6,
+    VT_NAME = 8,
+    VT_LOCATION = 10,
+    VT_NODES = 12,
+    VT_MATCHINGS_INDEX = 14,
+    VT_WAYPOINT_INDEX = 16,
+    VT_ALTERNATIVES_COUNT = 18,
+    VT_TRIPS_INDEX = 20
+  };
+  const ::flatbuffers::String *hint() const {
+    return GetPointer<const ::flatbuffers::String *>(VT_HINT);
+  }
+  float distance() const {
+    return GetField<float>(VT_DISTANCE, 0.0f);
+  }
+  const ::flatbuffers::String *name() const {
+    return GetPointer<const ::flatbuffers::String *>(VT_NAME);
+  }
+  const osrm::engine::api::fbresult::Position *location() const {
+    return GetStruct<const osrm::engine::api::fbresult::Position *>(VT_LOCATION);
+  }
+  const osrm::engine::api::fbresult::Uint64Pair *nodes() const {
+    return GetStruct<const osrm::engine::api::fbresult::Uint64Pair *>(VT_NODES);
+  }
+  uint32_t matchings_index() const {
+    return GetField<uint32_t>(VT_MATCHINGS_INDEX, 0);
+  }
+  uint32_t waypoint_index() const {
+    return GetField<uint32_t>(VT_WAYPOINT_INDEX, 0);
+  }
+  uint32_t alternatives_count() const {
+    return GetField<uint32_t>(VT_ALTERNATIVES_COUNT, 0);
+  }
+  uint32_t trips_index() const {
+    return GetField<uint32_t>(VT_TRIPS_INDEX, 0);
+  }
+  bool Verify(::flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           VerifyOffset(verifier, VT_HINT) &&
+           verifier.VerifyString(hint()) &&
+           VerifyField<float>(verifier, VT_DISTANCE, 4) &&
+           VerifyOffset(verifier, VT_NAME) &&
+           verifier.VerifyString(name()) &&
+           VerifyField<osrm::engine::api::fbresult::Position>(verifier, VT_LOCATION, 4) &&
+           VerifyField<osrm::engine::api::fbresult::Uint64Pair>(verifier, VT_NODES, 8) &&
+           VerifyField<uint32_t>(verifier, VT_MATCHINGS_INDEX, 4) &&
+           VerifyField<uint32_t>(verifier, VT_WAYPOINT_INDEX, 4) &&
+           VerifyField<uint32_t>(verifier, VT_ALTERNATIVES_COUNT, 4) &&
+           VerifyField<uint32_t>(verifier, VT_TRIPS_INDEX, 4) &&
+           verifier.EndTable();
+  }
+};
+
+struct WaypointBuilder {
+  typedef Waypoint Table;
+  ::flatbuffers::FlatBufferBuilder &fbb_;
+  ::flatbuffers::uoffset_t start_;
+  void add_hint(::flatbuffers::Offset<::flatbuffers::String> hint) {
+    fbb_.AddOffset(Waypoint::VT_HINT, hint);
+  }
+  void add_distance(float distance) {
+    fbb_.AddElement<float>(Waypoint::VT_DISTANCE, distance, 0.0f);
+  }
+  void add_name(::flatbuffers::Offset<::flatbuffers::String> name) {
+    fbb_.AddOffset(Waypoint::VT_NAME, name);
+  }
+  void add_location(const osrm::engine::api::fbresult::Position *location) {
+    fbb_.AddStruct(Waypoint::VT_LOCATION, location);
+  }
+  void add_nodes(const osrm::engine::api::fbresult::Uint64Pair *nodes) {
+    fbb_.AddStruct(Waypoint::VT_NODES, nodes);
+  }
+  void add_matchings_index(uint32_t matchings_index) {
+    fbb_.AddElement<uint32_t>(Waypoint::VT_MATCHINGS_INDEX, matchings_index, 0);
+  }
+  void add_waypoint_index(uint32_t waypoint_index) {
+    fbb_.AddElement<uint32_t>(Waypoint::VT_WAYPOINT_INDEX, waypoint_index, 0);
+  }
+  void add_alternatives_count(uint32_t alternatives_count) {
+    fbb_.AddElement<uint32_t>(Waypoint::VT_ALTERNATIVES_COUNT, alternatives_count, 0);
+  }
+  void add_trips_index(uint32_t trips_index) {
+    fbb_.AddElement<uint32_t>(Waypoint::VT_TRIPS_INDEX, trips_index, 0);
+  }
+  explicit WaypointBuilder(::flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  ::flatbuffers::Offset<Waypoint> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = ::flatbuffers::Offset<Waypoint>(end);
+    return o;
+  }
+};
+
+inline ::flatbuffers::Offset<Waypoint> CreateWaypoint(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    ::flatbuffers::Offset<::flatbuffers::String> hint = 0,
+    float distance = 0.0f,
+    ::flatbuffers::Offset<::flatbuffers::String> name = 0,
+    const osrm::engine::api::fbresult::Position *location = nullptr,
+    const osrm::engine::api::fbresult::Uint64Pair *nodes = nullptr,
+    uint32_t matchings_index = 0,
+    uint32_t waypoint_index = 0,
+    uint32_t alternatives_count = 0,
+    uint32_t trips_index = 0) {
+  WaypointBuilder builder_(_fbb);
+  builder_.add_trips_index(trips_index);
+  builder_.add_alternatives_count(alternatives_count);
+  builder_.add_waypoint_index(waypoint_index);
+  builder_.add_matchings_index(matchings_index);
+  builder_.add_nodes(nodes);
+  builder_.add_location(location);
+  builder_.add_name(name);
+  builder_.add_distance(distance);
+  builder_.add_hint(hint);
+  return builder_.Finish();
+}
+
+inline ::flatbuffers::Offset<Waypoint> CreateWaypointDirect(
+    ::flatbuffers::FlatBufferBuilder &_fbb,
+    const char *hint = nullptr,
+    float distance = 0.0f,
+    const char *name = nullptr,
+    const osrm::engine::api::fbresult::Position *location = nullptr,
+    const osrm::engine::api::fbresult::Uint64Pair *nodes = nullptr,
+    uint32_t matchings_index = 0,
+    uint32_t waypoint_index = 0,
+    uint32_t alternatives_count = 0,
+    uint32_t trips_index = 0) {
+  auto hint__ = hint ? _fbb.CreateString(hint) : 0;
+  auto name__ = name ? _fbb.CreateString(name) : 0;
+  return osrm::engine::api::fbresult::CreateWaypoint(
+      _fbb,
+      hint__,
+      distance,
+      name__,
+      location,
+      nodes,
+      matchings_index,
+      waypoint_index,
+      alternatives_count,
+      trips_index);
+}
+
+}  // namespace fbresult
+}  // namespace api
+}  // namespace engine
+}  // namespace osrm
+
+#endif  // FLATBUFFERS_GENERATED_WAYPOINT_OSRM_ENGINE_API_FBRESULT_H_

include/engine/api/base_parameters.hpp

@@ -33,7 +33,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "engine/hint.hpp"
 #include "util/coordinate.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <vector>
@@ -74,12 +74,12 @@ struct BaseParameters
     };
 
     std::vector<util::Coordinate> coordinates;
-    std::vector<boost::optional<Hint>> hints;
-    std::vector<boost::optional<double>> radiuses;
-    std::vector<boost::optional<Bearing>> bearings;
-    std::vector<boost::optional<Approach>> approaches;
+    std::vector<std::optional<Hint>> hints;
+    std::vector<std::optional<double>> radiuses;
+    std::vector<std::optional<Bearing>> bearings;
+    std::vector<std::optional<Approach>> approaches;
     std::vector<std::string> exclude;
-    boost::optional<OutputFormatType> format = OutputFormatType::JSON;
+    std::optional<OutputFormatType> format = OutputFormatType::JSON;
 
     // Adds hints to response which can be included in subsequent requests, see `hints` above.
     bool generate_hints = true;
@@ -90,10 +90,10 @@ struct BaseParameters
     SnappingType snapping = SnappingType::Default;
 
     BaseParameters(std::vector<util::Coordinate> coordinates_ = {},
-                   std::vector<boost::optional<Hint>> hints_ = {},
-                   std::vector<boost::optional<double>> radiuses_ = {},
-                   std::vector<boost::optional<Bearing>> bearings_ = {},
-                   std::vector<boost::optional<Approach>> approaches_ = {},
+                   std::vector<std::optional<Hint>> hints_ = {},
+                   std::vector<std::optional<double>> radiuses_ = {},
+                   std::vector<std::optional<Bearing>> bearings_ = {},
+                   std::vector<std::optional<Approach>> approaches_ = {},
                    bool generate_hints_ = true,
                    std::vector<std::string> exclude = {},
                    const SnappingType snapping_ = SnappingType::Default)
@@ -112,7 +112,7 @@ struct BaseParameters
                (approaches.empty() || approaches.size() == coordinates.size()) &&
                std::all_of(bearings.begin(),
                            bearings.end(),
-                           [](const boost::optional<Bearing> &bearing_and_range)
+                           [](const std::optional<Bearing> &bearing_and_range)
                            {
                                if (bearing_and_range)
                                {

include/engine/api/flatbuffers/fbresult.fbs

@@ -14,7 +14,7 @@ table FBResult {
     data_version: string;
     waypoints: [Waypoint]; //Used as 'sources' waypoints for a 'Table' service
     routes: [RouteObject];
-    table: Table;
+    table: TableResult;
 }
 
 root_type FBResult;

include/engine/api/flatbuffers/table.fbs

@@ -1,7 +1,7 @@
 include "waypoint.fbs";
 namespace osrm.engine.api.fbresult;
 
-table Table {
+table TableResult {
     durations: [float];
     rows: ushort;
     cols: ushort;

include/engine/api/json_factory.hpp

@@ -12,7 +12,7 @@
 #include "util/coordinate.hpp"
 #include "util/json_container.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <iterator>
@@ -90,7 +90,7 @@ util::json::Object makeRouteStep(guidance::RouteStep step, util::json::Value geo
 
 util::json::Object makeRoute(const guidance::Route &route,
                              util::json::Array legs,
-                             boost::optional<util::json::Value> geometry,
+                             std::optional<util::json::Value> geometry,
                              const char *weight_name);
 
 // Creates a Waypoint without Hint, see the Hint overload below

include/engine/api/nearest_api.hpp

@@ -45,7 +45,7 @@ class NearestAPI final : public BaseAPI
                       flatbuffers::FlatBufferBuilder &fb_result) const
     {
         auto data_timestamp = facade.GetTimestamp();
-        boost::optional<flatbuffers::Offset<flatbuffers::String>> data_version_string = boost::none;
+        std::optional<flatbuffers::Offset<flatbuffers::String>> data_version_string = std::nullopt;
         if (!data_timestamp.empty())
         {
             data_version_string = fb_result.CreateString(data_timestamp);

include/engine/api/route_api.hpp

@@ -184,10 +184,10 @@ class RouteAPI : public BaseAPI
         return builder.CreateVectorOfStructs(coordinates);
     }
 
-    boost::optional<util::json::Value>
-    MakeGeometry(boost::optional<std::vector<Coordinate>> &&annotations) const
+    std::optional<util::json::Value>
+    MakeGeometry(std::optional<std::vector<Coordinate>> &&annotations) const
     {
-        boost::optional<util::json::Value> json_geometry;
+        std::optional<util::json::Value> json_geometry;
         if (annotations)
         {
             auto begin = annotations->begin();
@@ -720,8 +720,7 @@ class RouteAPI : public BaseAPI
         std::vector<guidance::LegGeometry> &leg_geometries = legs_info.second;
 
         auto route = guidance::assembleRoute(legs);
-        boost::optional<util::json::Value> json_overview =
-            MakeGeometry(MakeOverview(leg_geometries));
+        std::optional<util::json::Value> json_overview = MakeGeometry(MakeOverview(leg_geometries));
 
         std::vector<util::json::Value> step_geometries;
         const auto total_step_count =
@@ -997,10 +996,10 @@ class RouteAPI : public BaseAPI
         return result;
     }
 
-    boost::optional<std::vector<Coordinate>>
+    std::optional<std::vector<Coordinate>>
     MakeOverview(const std::vector<guidance::LegGeometry> &leg_geometries) const
     {
-        boost::optional<std::vector<Coordinate>> overview;
+        std::optional<std::vector<Coordinate>> overview;
         if (parameters.overview != RouteParameters::OverviewType::False)
         {
             const auto use_simplification =

include/engine/api/route_parameters.hpp

@@ -82,7 +82,7 @@ struct RouteParameters : public BaseParameters
                     const bool alternatives_,
                     const GeometriesType geometries_,
                     const OverviewType overview_,
-                    const boost::optional<bool> continue_straight_,
+                    const std::optional<bool> continue_straight_,
                     Args &&...args_)
         // Once we perfectly-forward `args` (see #2990) this constructor can delegate to the one
         // below.
@@ -100,7 +100,7 @@ struct RouteParameters : public BaseParameters
                     const bool annotations_,
                     const GeometriesType geometries_,
                     const OverviewType overview_,
-                    const boost::optional<bool> continue_straight_,
+                    const std::optional<bool> continue_straight_,
                     Args &&...args_)
         : BaseParameters{std::forward<Args>(args_)...}, steps{steps_}, alternatives{alternatives_},
           number_of_alternatives{alternatives_ ? 1u : 0u}, annotations{annotations_},
@@ -118,7 +118,7 @@ struct RouteParameters : public BaseParameters
                     const AnnotationsType annotations_,
                     const GeometriesType geometries_,
                     const OverviewType overview_,
-                    const boost::optional<bool> continue_straight_,
+                    const std::optional<bool> continue_straight_,
                     Args &&...args_)
         : BaseParameters{std::forward<Args>(args_)...}, steps{steps_}, alternatives{alternatives_},
           number_of_alternatives{alternatives_ ? 1u : 0u},
@@ -135,7 +135,7 @@ struct RouteParameters : public BaseParameters
                     const bool annotations_,
                     const GeometriesType geometries_,
                     const OverviewType overview_,
-                    const boost::optional<bool> continue_straight_,
+                    const std::optional<bool> continue_straight_,
                     std::vector<std::size_t> waypoints_,
                     const Args &&...args_)
         : BaseParameters{std::forward<Args>(args_)...}, steps{steps_}, alternatives{alternatives_},
@@ -153,7 +153,7 @@ struct RouteParameters : public BaseParameters
                     const AnnotationsType annotations_,
                     const GeometriesType geometries_,
                     const OverviewType overview_,
-                    const boost::optional<bool> continue_straight_,
+                    const std::optional<bool> continue_straight_,
                     std::vector<std::size_t> waypoints_,
                     Args &&...args_)
         : BaseParameters{std::forward<Args>(args_)...}, steps{steps_}, alternatives{alternatives_},
@@ -172,7 +172,7 @@ struct RouteParameters : public BaseParameters
     AnnotationsType annotations_type = AnnotationsType::None;
     GeometriesType geometries = GeometriesType::Polyline;
     OverviewType overview = OverviewType::Simplified;
-    boost::optional<bool> continue_straight;
+    std::optional<bool> continue_straight;
     std::vector<std::size_t> waypoints;
 
     bool IsValid() const

include/engine/api/table_api.hpp

@@ -137,7 +137,7 @@ class TableAPI final : public BaseAPI
             speed_cells = MakeEstimatesTable(fb_result, fallback_speed_cells);
         }
 
-        fbresult::TableBuilder table(fb_result);
+        fbresult::TableResultBuilder table(fb_result);
         table.add_destinations(destinations);
         table.add_rows(number_of_sources);
         table.add_cols(number_of_destinations);

include/engine/api/trip_parameters.hpp

@@ -30,7 +30,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "engine/api/route_parameters.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 #include <vector>
 
 namespace osrm::engine::api

include/engine/datafacade/contiguous_internalmem_datafacade.hpp

@@ -369,7 +369,7 @@ class ContiguousInternalMemoryDataFacadeBase : public BaseDataFacade
     std::vector<PhantomNodeWithDistance>
     NearestPhantomNodesInRange(const util::Coordinate input_coordinate,
                                const double max_distance,
-                               const boost::optional<Bearing> bearing,
+                               const std::optional<Bearing> bearing,
                                const Approach approach,
                                const bool use_all_edges) const override final
     {
@@ -382,20 +382,20 @@ class ContiguousInternalMemoryDataFacadeBase : public BaseDataFacade
     std::vector<PhantomNodeWithDistance>
     NearestPhantomNodes(const util::Coordinate input_coordinate,
                         const size_t max_results,
-                        const boost::optional<double> max_distance,
-                        const boost::optional<Bearing> bearing,
+                        const std::optional<double> max_distance,
+                        const std::optional<Bearing> bearing,
                         const Approach approach) const override final
     {
         BOOST_ASSERT(m_geospatial_query.get());
 
         return m_geospatial_query->NearestPhantomNodes(
-            input_coordinate, approach, max_results, max_distance, bearing, boost::none);
+            input_coordinate, approach, max_results, max_distance, bearing, std::nullopt);
     }
 
     PhantomCandidateAlternatives
     NearestCandidatesWithAlternativeFromBigComponent(const util::Coordinate input_coordinate,
-                                                     const boost::optional<double> max_distance,
-                                                     const boost::optional<Bearing> bearing,
+                                                     const std::optional<double> max_distance,
+                                                     const std::optional<Bearing> bearing,
                                                      const Approach approach,
                                                      const bool use_all_edges) const override final
     {

include/engine/datafacade/datafacade_base.hpp

@@ -35,6 +35,7 @@
 #include <cstddef>
 
 #include <engine/bearing.hpp>
+#include <optional>
 #include <string>
 #include <string_view>
 #include <utility>
@@ -126,21 +127,21 @@ class BaseDataFacade
     virtual std::vector<PhantomNodeWithDistance>
     NearestPhantomNodesInRange(const util::Coordinate input_coordinate,
                                const double max_distance,
-                               const boost::optional<Bearing> bearing,
+                               const std::optional<Bearing> bearing,
                                const Approach approach,
                                const bool use_all_edges) const = 0;
 
     virtual std::vector<PhantomNodeWithDistance>
     NearestPhantomNodes(const util::Coordinate input_coordinate,
                         const size_t max_results,
-                        const boost::optional<double> max_distance,
-                        const boost::optional<Bearing> bearing,
+                        const std::optional<double> max_distance,
+                        const std::optional<Bearing> bearing,
                         const Approach approach) const = 0;
 
     virtual PhantomCandidateAlternatives
     NearestCandidatesWithAlternativeFromBigComponent(const util::Coordinate input_coordinate,
-                                                     const boost::optional<double> max_distance,
-                                                     const boost::optional<Bearing> bearing,
+                                                     const std::optional<double> max_distance,
+                                                     const std::optional<Bearing> bearing,
                                                      const Approach approach,
                                                      const bool use_all_edges) const = 0;
 

include/engine/engine_config.hpp

@@ -79,7 +79,7 @@ struct EngineConfig final
     int max_locations_map_matching = -1;
     double max_radius_map_matching = -1.0;
     int max_results_nearest = -1;
-    boost::optional<double> default_radius = -1.0;
+    double default_radius = -1.0;
     int max_alternatives = 3; // set an arbitrary upper bound; can be adjusted by user
     bool use_shared_memory = true;
     std::filesystem::path memory_file;

include/engine/geospatial_query.hpp

@@ -12,7 +12,7 @@
 
 #include "osrm/coordinate.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <cmath>
@@ -53,8 +53,8 @@ template <typename RTreeT, typename DataFacadeT> class GeospatialQuery
     NearestPhantomNodes(const util::Coordinate input_coordinate,
                         const Approach approach,
                         const double max_distance,
-                        const boost::optional<Bearing> bearing_with_range,
-                        const boost::optional<bool> use_all_edges) const
+                        const std::optional<Bearing> bearing_with_range,
+                        const std::optional<bool> use_all_edges) const
     {
         auto results = rtree.SearchInRange(
             input_coordinate,
@@ -85,9 +85,9 @@ template <typename RTreeT, typename DataFacadeT> class GeospatialQuery
     NearestPhantomNodes(const util::Coordinate input_coordinate,
                         const Approach approach,
                         const size_t max_results,
-                        const boost::optional<double> max_distance,
-                        const boost::optional<Bearing> bearing_with_range,
-                        const boost::optional<bool> use_all_edges) const
+                        const std::optional<double> max_distance,
+                        const std::optional<Bearing> bearing_with_range,
+                        const std::optional<bool> use_all_edges) const
     {
         auto results = rtree.Nearest(
             input_coordinate,
@@ -121,9 +121,9 @@ template <typename RTreeT, typename DataFacadeT> class GeospatialQuery
     PhantomCandidateAlternatives NearestCandidatesWithAlternativeFromBigComponent(
         const util::Coordinate input_coordinate,
         const Approach approach,
-        const boost::optional<double> max_distance,
-        const boost::optional<Bearing> bearing_with_range,
-        const boost::optional<bool> use_all_edges) const
+        const std::optional<double> max_distance,
+        const std::optional<Bearing> bearing_with_range,
+        const std::optional<bool> use_all_edges) const
     {
         bool has_nearest = false;
         bool has_big_component = false;

include/engine/guidance/assemble_geometry.hpp

@@ -37,6 +37,14 @@ inline LegGeometry assembleGeometry(const datafacade::BaseDataFacade &facade,
 {
     LegGeometry geometry;
 
+    // each container will at most have `leg_data.size()` + 1/2 elements in it
+    // these additional 1/2 elements come from processing of very first and very last segment
+    geometry.locations.reserve(leg_data.size() + 2);
+    geometry.segment_distances.reserve(leg_data.size() + 1);
+    geometry.segment_offsets.reserve(leg_data.size() + 1);
+    geometry.annotations.reserve(leg_data.size() + 1);
+    geometry.node_ids.reserve(leg_data.size() + 2);
+
     // segment 0 first and last
     geometry.segment_offsets.push_back(0);
     geometry.locations.push_back(source_node.location);

include/engine/guidance/assemble_steps.hpp

@@ -17,9 +17,9 @@
 #include "util/guidance/turn_lanes.hpp"
 #include "util/typedefs.hpp"
 
-#include <boost/optional.hpp>
 #include <cstddef>
 #include <guidance/turn_bearing.hpp>
+#include <optional>
 #include <vector>
 
 namespace osrm::engine::guidance

include/engine/guidance/route_leg.hpp

@@ -3,7 +3,7 @@
 
 #include "engine/guidance/route_step.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <string>
 #include <vector>

include/engine/internal_route_result.hpp

@@ -15,7 +15,7 @@
 #include "util/integer_range.hpp"
 #include "util/typedefs.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 #include <vector>
 
 namespace osrm::engine
@@ -42,7 +42,7 @@ struct PathData
     // Source of the speed value on this road segment
     DatasourceID datasource_id;
     // If segment precedes a turn, ID of the turn itself
-    boost::optional<EdgeID> turn_edge;
+    std::optional<EdgeID> turn_edge;
 };
 
 struct InternalRouteResult

include/engine/plugins/match.hpp

@@ -22,7 +22,7 @@ class MatchPlugin : public BasePlugin
 
     MatchPlugin(const int max_locations_map_matching,
                 const double max_radius_map_matching,
-                const boost::optional<double> default_radius)
+                const std::optional<double> default_radius)
         : BasePlugin(default_radius), max_locations_map_matching(max_locations_map_matching),
           max_radius_map_matching(max_radius_map_matching)
     {

include/engine/plugins/nearest.hpp

@@ -13,7 +13,7 @@ namespace osrm::engine::plugins
 class NearestPlugin final : public BasePlugin
 {
   public:
-    explicit NearestPlugin(const int max_results, const boost::optional<double> default_radius);
+    explicit NearestPlugin(const int max_results, const std::optional<double> default_radius);
 
     Status HandleRequest(const RoutingAlgorithmsInterface &algorithms,
                          const api::NearestParameters &params,

include/engine/plugins/plugin_base.hpp

@@ -29,7 +29,7 @@ class BasePlugin
   protected:
     BasePlugin() = default;
 
-    BasePlugin(const boost::optional<double> default_radius_) : default_radius(default_radius_) {}
+    BasePlugin(const std::optional<double> default_radius_) : default_radius(default_radius_) {}
 
     bool CheckAllCoordinates(const std::vector<util::Coordinate> &coordinates) const
     {
@@ -200,8 +200,8 @@ class BasePlugin
             phantom_nodes[i] = facade.NearestPhantomNodesInRange(
                 parameters.coordinates[i],
                 radiuses[i],
-                use_bearings ? parameters.bearings[i] : boost::none,
-                use_approaches && parameters.approaches[i] ? parameters.approaches[i].get()
+                use_bearings ? parameters.bearings[i] : std::nullopt,
+                use_approaches && parameters.approaches[i] ? parameters.approaches[i].value()
                                                            : engine::Approach::UNRESTRICTED,
                 use_all_edges);
         }
@@ -242,8 +242,8 @@ class BasePlugin
                 parameters.coordinates[i],
                 number_of_results,
                 use_radiuses ? parameters.radiuses[i] : default_radius,
-                use_bearings ? parameters.bearings[i] : boost::none,
-                use_approaches && parameters.approaches[i] ? parameters.approaches[i].get()
+                use_bearings ? parameters.bearings[i] : std::nullopt,
+                use_approaches && parameters.approaches[i] ? parameters.approaches[i].value()
                                                            : engine::Approach::UNRESTRICTED);
 
             // we didn't find a fitting node, return error
@@ -284,8 +284,8 @@ class BasePlugin
             alternatives[i] = facade.NearestCandidatesWithAlternativeFromBigComponent(
                 parameters.coordinates[i],
                 use_radiuses ? parameters.radiuses[i] : default_radius,
-                use_bearings ? parameters.bearings[i] : boost::none,
-                use_approaches && parameters.approaches[i] ? parameters.approaches[i].get()
+                use_bearings ? parameters.bearings[i] : std::nullopt,
+                use_approaches && parameters.approaches[i] ? parameters.approaches[i].value()
                                                            : engine::Approach::UNRESTRICTED,
                 use_all_edges);
 
@@ -325,7 +325,7 @@ class BasePlugin
                std::to_string(missing_index);
     }
 
-    const boost::optional<double> default_radius;
+    const std::optional<double> default_radius;
 };
 } // namespace osrm::engine::plugins
 

include/engine/plugins/table.hpp

@@ -15,7 +15,7 @@ class TablePlugin final : public BasePlugin
 {
   public:
     explicit TablePlugin(const int max_locations_distance_table,
-                         const boost::optional<double> default_radius);
+                         const std::optional<double> default_radius);
 
     Status HandleRequest(const RoutingAlgorithmsInterface &algorithms,
                          const api::TableParameters &params,

include/engine/plugins/trip.hpp

@@ -32,7 +32,7 @@ class TripPlugin final : public BasePlugin
                                      const bool roundtrip) const;
 
   public:
-    explicit TripPlugin(const int max_locations_trip_, boost::optional<double> default_radius)
+    explicit TripPlugin(const int max_locations_trip_, std::optional<double> default_radius)
         : BasePlugin(default_radius), max_locations_trip(max_locations_trip_)
     {
     }

include/engine/plugins/viaroute.hpp

@@ -27,7 +27,7 @@ class ViaRoutePlugin final : public BasePlugin
   public:
     explicit ViaRoutePlugin(int max_locations_viaroute,
                             int max_alternatives,
-                            boost::optional<double> default_radius);
+                            std::optional<double> default_radius);
 
     Status HandleRequest(const RoutingAlgorithmsInterface &algorithms,
                          const api::RouteParameters &route_parameters,

include/engine/routing_algorithms.hpp

@@ -25,7 +25,7 @@ class RoutingAlgorithmsInterface
 
     virtual InternalRouteResult
     ShortestPathSearch(const std::vector<PhantomNodeCandidates> &waypoint_candidates,
-                       const boost::optional<bool> continue_straight_at_waypoint) const = 0;
+                       const std::optional<bool> continue_straight_at_waypoint) const = 0;
 
     virtual InternalRouteResult
     DirectShortestPathSearch(const PhantomEndpointCandidates &endpoint_candidates) const = 0;
@@ -40,7 +40,7 @@ class RoutingAlgorithmsInterface
     MapMatching(const routing_algorithms::CandidateLists &candidates_list,
                 const std::vector<util::Coordinate> &trace_coordinates,
                 const std::vector<unsigned> &trace_timestamps,
-                const std::vector<boost::optional<double>> &trace_gps_precision,
+                const std::vector<std::optional<double>> &trace_gps_precision,
                 const bool allow_splitting) const = 0;
 
     virtual std::vector<routing_algorithms::TurnData>
@@ -78,7 +78,7 @@ template <typename Algorithm> class RoutingAlgorithms final : public RoutingAlgo
 
     InternalRouteResult ShortestPathSearch(
         const std::vector<PhantomNodeCandidates> &waypoint_candidates,
-        const boost::optional<bool> continue_straight_at_waypoint) const final override;
+        const std::optional<bool> continue_straight_at_waypoint) const final override;
 
     InternalRouteResult DirectShortestPathSearch(
         const PhantomEndpointCandidates &endpoint_candidates) const final override;
@@ -93,7 +93,7 @@ template <typename Algorithm> class RoutingAlgorithms final : public RoutingAlgo
     MapMatching(const routing_algorithms::CandidateLists &candidates_list,
                 const std::vector<util::Coordinate> &trace_coordinates,
                 const std::vector<unsigned> &trace_timestamps,
-                const std::vector<boost::optional<double>> &trace_gps_precision,
+                const std::vector<std::optional<double>> &trace_gps_precision,
                 const bool allow_splitting) const final override;
 
     std::vector<routing_algorithms::TurnData>
@@ -160,7 +160,7 @@ InternalManyRoutesResult RoutingAlgorithms<Algorithm>::AlternativePathSearch(
 template <typename Algorithm>
 InternalRouteResult RoutingAlgorithms<Algorithm>::ShortestPathSearch(
     const std::vector<PhantomNodeCandidates> &waypoint_candidates,
-    const boost::optional<bool> continue_straight_at_waypoint) const
+    const std::optional<bool> continue_straight_at_waypoint) const
 {
     return routing_algorithms::shortestPathSearch(
         heaps, *facade, waypoint_candidates, continue_straight_at_waypoint);
@@ -178,7 +178,7 @@ inline routing_algorithms::SubMatchingList RoutingAlgorithms<Algorithm>::MapMatc
     const routing_algorithms::CandidateLists &candidates_list,
     const std::vector<util::Coordinate> &trace_coordinates,
     const std::vector<unsigned> &trace_timestamps,
-    const std::vector<boost::optional<double>> &trace_gps_precision,
+    const std::vector<std::optional<double>> &trace_gps_precision,
     const bool allow_splitting) const
 {
     return routing_algorithms::mapMatching(heaps,

include/engine/routing_algorithms/map_matching.hpp

@@ -24,7 +24,7 @@ SubMatchingList mapMatching(SearchEngineData<Algorithm> &engine_working_data,
                             const CandidateLists &candidates_list,
                             const std::vector<util::Coordinate> &trace_coordinates,
                             const std::vector<unsigned> &trace_timestamps,
-                            const std::vector<boost::optional<double>> &trace_gps_precision,
+                            const std::vector<std::optional<double>> &trace_gps_precision,
                             const bool allow_splitting);
 
 } // namespace osrm::engine::routing_algorithms

include/engine/routing_algorithms/routing_base.hpp

@@ -258,7 +258,7 @@ void annotatePath(const FacadeT &facade,
                                              alias_cast<EdgeDuration>(duration_vector[segment_idx]),
                                              {0},
                                              datasource_vector[segment_idx],
-                                             boost::none});
+                                             std::nullopt});
         }
         BOOST_ASSERT(!unpacked_path.empty());
 
@@ -315,7 +315,7 @@ void annotatePath(const FacadeT &facade,
                      alias_cast<EdgeDuration>(duration_vector[segment_idx]),
                      {0},
                      datasource_vector[segment_idx],
-                     boost::none});
+                     std::nullopt});
     }
 
     if (!unpacked_path.empty())

include/engine/routing_algorithms/routing_base_mld.hpp

@@ -487,7 +487,13 @@ void routingStep(const DataFacade<Algorithm> &facade,
 
 using UnpackedNodes = std::vector<NodeID>;
 using UnpackedEdges = std::vector<EdgeID>;
-using UnpackedPath = std::tuple<EdgeWeight, UnpackedNodes, UnpackedEdges>;
+
+struct UnpackedPath
+{
+    EdgeWeight weight;
+    UnpackedNodes nodes;
+    UnpackedEdges edges;
+};
 
 template <typename Algorithm, typename Heap, typename... Args>
 std::optional<std::pair<NodeID, EdgeWeight>> runSearch(const DataFacade<Algorithm> &facade,
@@ -551,7 +557,7 @@ UnpackedPath search(SearchEngineData<Algorithm> &engine_working_data,
         facade, forward_heap, reverse_heap, force_step_nodes, weight_upper_bound, args...);
     if (!searchResult)
     {
-        return std::make_tuple(INVALID_EDGE_WEIGHT, std::vector<NodeID>(), std::vector<EdgeID>());
+        return {INVALID_EDGE_WEIGHT, std::vector<NodeID>(), std::vector<EdgeID>()};
     }
 
     auto [middle, weight] = *searchResult;
@@ -595,25 +601,27 @@ UnpackedPath search(SearchEngineData<Algorithm> &engine_working_data,
             forward_heap.Insert(source, {0}, {source});
             reverse_heap.Insert(target, {0}, {target});
 
-            auto [subpath_weight, subpath_nodes, subpath_edges] = search(engine_working_data,
-                                                                         facade,
-                                                                         forward_heap,
-                                                                         reverse_heap,
-                                                                         force_step_nodes,
-                                                                         INVALID_EDGE_WEIGHT,
-                                                                         sublevel,
-                                                                         parent_cell_id);
-            BOOST_ASSERT(!subpath_edges.empty());
-            BOOST_ASSERT(subpath_nodes.size() > 1);
-            BOOST_ASSERT(subpath_nodes.front() == source);
-            BOOST_ASSERT(subpath_nodes.back() == target);
-            unpacked_nodes.insert(
-                unpacked_nodes.end(), std::next(subpath_nodes.begin()), subpath_nodes.end());
-            unpacked_edges.insert(unpacked_edges.end(), subpath_edges.begin(), subpath_edges.end());
+            auto unpacked_subpath = search(engine_working_data,
+                                           facade,
+                                           forward_heap,
+                                           reverse_heap,
+                                           force_step_nodes,
+                                           INVALID_EDGE_WEIGHT,
+                                           sublevel,
+                                           parent_cell_id);
+            BOOST_ASSERT(!unpacked_subpath.edges.empty());
+            BOOST_ASSERT(unpacked_subpath.nodes.size() > 1);
+            BOOST_ASSERT(unpacked_subpath.nodes.front() == source);
+            BOOST_ASSERT(unpacked_subpath.nodes.back() == target);
+            unpacked_nodes.insert(unpacked_nodes.end(),
+                                  std::next(unpacked_subpath.nodes.begin()),
+                                  unpacked_subpath.nodes.end());
+            unpacked_edges.insert(
+                unpacked_edges.end(), unpacked_subpath.edges.begin(), unpacked_subpath.edges.end());
         }
     }
 
-    return std::make_tuple(weight, std::move(unpacked_nodes), std::move(unpacked_edges));
+    return {weight, std::move(unpacked_nodes), std::move(unpacked_edges)};
 }
 
 template <typename Algorithm, typename... Args>
@@ -654,13 +662,15 @@ inline void search(SearchEngineData<Algorithm> &engine_working_data,
                    const EdgeWeight weight_upper_bound = INVALID_EDGE_WEIGHT)
 {
     // TODO: change search calling interface to use unpacked_edges result
-    std::tie(weight, unpacked_nodes, std::ignore) = search(engine_working_data,
-                                                           facade,
-                                                           forward_heap,
-                                                           reverse_heap,
-                                                           force_step_nodes,
-                                                           weight_upper_bound,
-                                                           endpoints);
+    auto unpacked_path = search(engine_working_data,
+                                facade,
+                                forward_heap,
+                                reverse_heap,
+                                force_step_nodes,
+                                weight_upper_bound,
+                                endpoints);
+    weight = unpacked_path.weight;
+    unpacked_nodes = std::move(unpacked_path.nodes);
 }
 
 // TODO: refactor CH-related stub to use unpacked_edges

include/engine/routing_algorithms/shortest_path.hpp

@@ -14,7 +14,7 @@ InternalRouteResult
 shortestPathSearch(SearchEngineData<Algorithm> &engine_working_data,
                    const DataFacade<Algorithm> &facade,
                    const std::vector<PhantomNodeCandidates> &waypoint_candidates,
-                   const boost::optional<bool> continue_straight_at_waypoint);
+                   const std::optional<bool> continue_straight_at_waypoint);
 
 } // namespace osrm::engine::routing_algorithms
 

include/engine/routing_algorithms/shortest_path_impl.hpp

@@ -4,7 +4,7 @@
 #include "engine/routing_algorithms/shortest_path.hpp"
 
 #include <boost/assert.hpp>
-#include <boost/optional.hpp>
+#include <optional>
 
 namespace osrm::engine::routing_algorithms
 {
@@ -339,10 +339,10 @@ struct leg_connections
 {
     // X_to_Y = i can be read as
     // sources[i].X is the source of the shortest leg path to target.Y
-    boost::optional<size_t> forward_to_forward;
-    boost::optional<size_t> reverse_to_forward;
-    boost::optional<size_t> forward_to_reverse;
-    boost::optional<size_t> reverse_to_reverse;
+    std::optional<size_t> forward_to_forward;
+    std::optional<size_t> reverse_to_forward;
+    std::optional<size_t> forward_to_reverse;
+    std::optional<size_t> reverse_to_reverse;
 };
 
 // Identify which of the source candidates segments is being used for paths to the
@@ -771,7 +771,7 @@ InternalRouteResult
 shortestPathSearch(SearchEngineData<Algorithm> &engine_working_data,
                    const DataFacade<Algorithm> &facade,
                    const std::vector<PhantomNodeCandidates> &waypoint_candidates,
-                   const boost::optional<bool> continue_straight_at_waypoint)
+                   const std::optional<bool> continue_straight_at_waypoint)
 {
     const bool allow_uturn_at_waypoint =
         !(continue_straight_at_waypoint ? *continue_straight_at_waypoint

include/engine/search_engine_data.hpp

@@ -5,8 +5,6 @@
 #include "util/query_heap.hpp"
 #include "util/typedefs.hpp"
 
-#include <boost/thread/tss.hpp>
-
 namespace osrm::engine
 {
 
@@ -45,19 +43,19 @@ template <> struct SearchEngineData<routing_algorithms::ch::Algorithm>
                                                 ManyToManyHeapData,
                                                 util::UnorderedMapStorage<NodeID, int>>;
 
-    using SearchEngineHeapPtr = boost::thread_specific_ptr<QueryHeap>;
+    using SearchEngineHeapPtr = std::unique_ptr<QueryHeap>;
 
-    using ManyToManyHeapPtr = boost::thread_specific_ptr<ManyToManyQueryHeap>;
+    using ManyToManyHeapPtr = std::unique_ptr<ManyToManyQueryHeap>;
 
-    static SearchEngineHeapPtr forward_heap_1;
-    static SearchEngineHeapPtr reverse_heap_1;
-    static SearchEngineHeapPtr forward_heap_2;
-    static SearchEngineHeapPtr reverse_heap_2;
-    static SearchEngineHeapPtr forward_heap_3;
-    static SearchEngineHeapPtr reverse_heap_3;
-    static ManyToManyHeapPtr many_to_many_heap;
-    static SearchEngineHeapPtr map_matching_forward_heap_1;
-    static SearchEngineHeapPtr map_matching_reverse_heap_1;
+    static thread_local SearchEngineHeapPtr forward_heap_1;
+    static thread_local SearchEngineHeapPtr reverse_heap_1;
+    static thread_local SearchEngineHeapPtr forward_heap_2;
+    static thread_local SearchEngineHeapPtr reverse_heap_2;
+    static thread_local SearchEngineHeapPtr forward_heap_3;
+    static thread_local SearchEngineHeapPtr reverse_heap_3;
+    static thread_local ManyToManyHeapPtr many_to_many_heap;
+    static thread_local SearchEngineHeapPtr map_matching_forward_heap_1;
+    static thread_local SearchEngineHeapPtr map_matching_reverse_heap_1;
 
     void InitializeOrClearMapMatchingThreadLocalStorage(unsigned number_of_nodes);
 
@@ -127,16 +125,16 @@ template <> struct SearchEngineData<routing_algorithms::mld::Algorithm>
                                                  MapMatchingMultiLayerDijkstraHeapData,
                                                  util::TwoLevelStorage<NodeID, int>>;
 
-    using SearchEngineHeapPtr = boost::thread_specific_ptr<QueryHeap>;
-    using ManyToManyHeapPtr = boost::thread_specific_ptr<ManyToManyQueryHeap>;
-    using MapMatchingHeapPtr = boost::thread_specific_ptr<MapMatchingQueryHeap>;
+    using SearchEngineHeapPtr = std::unique_ptr<QueryHeap>;
+    using ManyToManyHeapPtr = std::unique_ptr<ManyToManyQueryHeap>;
+    using MapMatchingHeapPtr = std::unique_ptr<MapMatchingQueryHeap>;
 
-    static SearchEngineHeapPtr forward_heap_1;
-    static SearchEngineHeapPtr reverse_heap_1;
-    static MapMatchingHeapPtr map_matching_forward_heap_1;
-    static MapMatchingHeapPtr map_matching_reverse_heap_1;
+    static thread_local SearchEngineHeapPtr forward_heap_1;
+    static thread_local SearchEngineHeapPtr reverse_heap_1;
+    static thread_local MapMatchingHeapPtr map_matching_forward_heap_1;
+    static thread_local MapMatchingHeapPtr map_matching_reverse_heap_1;
 
-    static ManyToManyHeapPtr many_to_many_heap;
+    static thread_local ManyToManyHeapPtr many_to_many_heap;
 
     void InitializeOrClearFirstThreadLocalStorage(unsigned number_of_nodes,
                                                   unsigned number_of_boundary_nodes);
@@ -148,4 +146,4 @@ template <> struct SearchEngineData<routing_algorithms::mld::Algorithm>
 };
 } // namespace osrm::engine
 
-#endif // SEARCH_ENGINE_DATA_HPP
+#endif // SEARCH_ENGINE_DATA_HPP

include/nodejs/node_osrm_support.hpp

@@ -21,7 +21,7 @@
 #include <napi.h>
 
 #include <boost/assert.hpp>
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <iterator>
@@ -395,11 +395,11 @@ inline engine_config_ptr argumentsToEngineConfig(const Napi::CallbackInfo &args)
     return engine_config;
 }
 
-inline boost::optional<std::vector<osrm::Coordinate>>
+inline std::optional<std::vector<osrm::Coordinate>>
 parseCoordinateArray(const Napi::Array &coordinates_array)
 {
     Napi::HandleScope scope(coordinates_array.Env());
-    boost::optional<std::vector<osrm::Coordinate>> resulting_coordinates;
+    std::optional<std::vector<osrm::Coordinate>> resulting_coordinates;
     std::vector<osrm::Coordinate> temp_coordinates;
 
     for (uint32_t i = 0; i < coordinates_array.Length(); ++i)
@@ -450,7 +450,7 @@ parseCoordinateArray(const Napi::Array &coordinates_array)
                                       osrm::util::FloatLatitude{std::move(lat)});
     }
 
-    resulting_coordinates = boost::make_optional(std::move(temp_coordinates));
+    resulting_coordinates = std::make_optional(std::move(temp_coordinates));
     return resulting_coordinates;
 }
 
@@ -1023,7 +1023,7 @@ inline bool parseCommonParameters(const Napi::Object &obj, ParamType &params)
 
 inline PluginParameters argumentsToPluginParameters(
     const Napi::CallbackInfo &args,
-    const boost::optional<osrm::engine::api::BaseParameters::OutputFormatType> &output_format = {})
+    const std::optional<osrm::engine::api::BaseParameters::OutputFormatType> &output_format = {})
 {
     if (args.Length() < 3 || !args[1].IsObject())
     {

include/server/api/base_parameters_grammar.hpp

@@ -7,9 +7,9 @@
 #include "engine/hint.hpp"
 #include "engine/polyline_compressor.hpp"
 
-#include <boost/optional.hpp>
 #include <boost/phoenix.hpp>
 #include <boost/spirit/include/qi.hpp>
+#include <optional>
 
 #include <limits>
 #include <string>
@@ -88,7 +88,7 @@ struct BaseParametersGrammar : boost::spirit::qi::grammar<Iterator, Signature>
             }
             else
             {
-                base_parameters.hints.emplace_back(boost::none);
+                base_parameters.hints.emplace_back(std::nullopt);
             }
         };
 
@@ -96,13 +96,24 @@ struct BaseParametersGrammar : boost::spirit::qi::grammar<Iterator, Signature>
             [](engine::api::BaseParameters &base_parameters,
                boost::optional<boost::fusion::vector2<short, short>> bearing_range)
         {
-            boost::optional<engine::Bearing> bearing;
+            std::optional<engine::Bearing> bearing;
             if (bearing_range)
             {
                 bearing = engine::Bearing{boost::fusion::at_c<0>(*bearing_range),
                                           boost::fusion::at_c<1>(*bearing_range)};
             }
-            base_parameters.bearings.push_back(std::move(bearing));
+            base_parameters.bearings.push_back(bearing);
+        };
+
+        const auto add_approach = [](engine::api::BaseParameters &base_parameters,
+                                     boost::optional<osrm::engine::Approach> approach) {
+            base_parameters.approaches.push_back(approach ? std::make_optional(*approach)
+                                                          : std::nullopt);
+        };
+
+        const auto add_radius = [](engine::api::BaseParameters &base_parameters,
+                                   boost::optional<double> radius) {
+            base_parameters.radiuses.push_back(radius ? std::make_optional(*radius) : std::nullopt);
         };
 
         polyline_chars = qi::char_("a-zA-Z0-9_.--[]{}@?|\\%~`^");
@@ -144,9 +155,9 @@ struct BaseParametersGrammar : boost::spirit::qi::grammar<Iterator, Signature>
             ((location_rule % ';') | polyline_rule |
              polyline6_rule)[ph::bind(&engine::api::BaseParameters::coordinates, qi::_r1) = qi::_1];
 
-        radiuses_rule = qi::lit("radiuses=") >
-                        (-(qi::double_ | unlimited_rule) %
-                         ';')[ph::bind(&engine::api::BaseParameters::radiuses, qi::_r1) = qi::_1];
+        radiuses_rule =
+            qi::lit("radiuses=") >
+            (-(qi::double_ | unlimited_rule))[ph::bind(add_radius, qi::_r1, qi::_1)] % ';';
 
         hints_rule =
             qi::lit("hints=") >
@@ -170,8 +181,7 @@ struct BaseParametersGrammar : boost::spirit::qi::grammar<Iterator, Signature>
             "curb", engine::Approach::CURB)("opposite", engine::Approach::OPPOSITE);
 
         approach_rule = qi::lit("approaches=") >
-                        (-approach_type %
-                         ';')[ph::bind(&engine::api::BaseParameters::approaches, qi::_r1) = qi::_1];
+                        (-approach_type)[ph::bind(add_approach, qi::_r1, qi::_1)] % ';';
 
         snapping_type.add("default", engine::api::BaseParameters::SnappingType::Default)(
             "any", engine::api::BaseParameters::SnappingType::Any);

include/server/api/parameters_parser.hpp

@@ -26,13 +26,13 @@ using is_parameter_t =
 // Starts parsing and iter and modifies it until iter == end or parsing failed
 template <typename ParameterT,
           typename std::enable_if<detail::is_parameter_t<ParameterT>::value, int>::type = 0>
-boost::optional<ParameterT> parseParameters(std::string::iterator &iter,
-                                            const std::string::iterator end);
+std::optional<ParameterT> parseParameters(std::string::iterator &iter,
+                                          const std::string::iterator end);
 
 // Copy on purpose because we need mutability
 template <typename ParameterT,
           typename std::enable_if<detail::is_parameter_t<ParameterT>::value, int>::type = 0>
-boost::optional<ParameterT> parseParameters(std::string options_string)
+std::optional<ParameterT> parseParameters(std::string options_string)
 {
     auto first = options_string.begin();
     const auto last = options_string.end();

include/server/api/url_parser.hpp

@@ -3,7 +3,7 @@
 
 #include "server/api/parsed_url.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <string>
 
@@ -11,9 +11,9 @@ namespace osrm::server::api
 {
 
 // Starts parsing and iter and modifies it until iter == end or parsing failed
-boost::optional<ParsedURL> parseURL(std::string::iterator &iter, const std::string::iterator end);
+std::optional<ParsedURL> parseURL(std::string::iterator &iter, const std::string::iterator end);
 
-inline boost::optional<ParsedURL> parseURL(std::string url_string)
+inline std::optional<ParsedURL> parseURL(std::string url_string)
 {
     auto iter = url_string.begin();
     return parseURL(iter, url_string.end());

include/util/binary_heap.hpp

@@ -0,0 +1,40 @@
+#pragma once
+#include <algorithm>
+#include <boost/assert.hpp>
+#include <vector>
+
+namespace osrm::util
+{
+
+// in its essence it is std::priority_queue, but with `clear` method
+template <typename T> class BinaryHeap
+{
+  public:
+    bool empty() const { return heap_.empty(); }
+
+    const T &top() const
+    {
+        BOOST_ASSERT(!heap_.empty());
+        return heap_.front();
+    }
+
+    void pop()
+    {
+        BOOST_ASSERT(!heap_.empty());
+        std::pop_heap(heap_.begin(), heap_.end());
+        heap_.pop_back();
+    }
+
+    template <typename... Args> void emplace(Args &&...args)
+    {
+        heap_.emplace_back(std::forward<Args>(args)...);
+        std::push_heap(heap_.begin(), heap_.end());
+    }
+
+    void clear() { heap_.clear(); }
+
+  private:
+    std::vector<T> heap_;
+};
+
+} // namespace osrm::util

include/util/meminfo.hpp

@@ -2,6 +2,7 @@
 #define MEMINFO_HPP
 
 #include "util/log.hpp"
+#include <cstddef>
 
 #ifndef _WIN32
 #include <sys/resource.h>
@@ -10,22 +11,31 @@
 namespace osrm::util
 {
 
-inline void DumpMemoryStats()
+inline size_t PeakRAMUsedInBytes()
 {
 #ifndef _WIN32
     rusage usage;
     getrusage(RUSAGE_SELF, &usage);
 #ifdef __linux__
     // Under linux, ru.maxrss is in kb
-    util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss * 1024;
+    return usage.ru_maxrss * 1024;
 #else  // __linux__
     // Under BSD systems (OSX), it's in bytes
-    util::Log() << "RAM: peak bytes used: " << usage.ru_maxrss;
+    return usage.ru_maxrss;
 #endif // __linux__
+#else  // _WIN32
+    return 0;
+#endif // _WIN32
+}
+
+inline void DumpMemoryStats()
+{
+#ifndef _WIN32
+    util::Log() << "RAM: peak bytes used: " << PeakRAMUsedInBytes();
 #else  // _WIN32
     util::Log() << "RAM: peak bytes used: <not implemented on Windows>";
 #endif // _WIN32
 }
 } // namespace osrm::util
 
-#endif
+#endif

include/util/query_heap.hpp

@@ -15,48 +15,6 @@
 namespace osrm::util
 {
 
-template <typename NodeID, typename Key> class GenerationArrayStorage
-{
-    using GenerationCounter = std::uint16_t;
-
-  public:
-    explicit GenerationArrayStorage(std::size_t size)
-        : positions(size, 0), generation(1), generations(size, 0)
-    {
-    }
-
-    Key &operator[](NodeID node)
-    {
-        generation[node] = generation;
-        return positions[node];
-    }
-
-    Key peek_index(const NodeID node) const
-    {
-        if (generations[node] < generation)
-        {
-            return std::numeric_limits<Key>::max();
-        }
-        return positions[node];
-    }
-
-    void Clear()
-    {
-        generation++;
-        // if generation overflows we end up at 0 again and need to clear the vector
-        if (generation == 0)
-        {
-            generation = 1;
-            std::fill(generations.begin(), generations.end(), 0);
-        }
-    }
-
-  private:
-    GenerationCounter generation;
-    std::vector<GenerationCounter> generations;
-    std::vector<Key> positions;
-};
-
 template <typename NodeID, typename Key> class ArrayStorage
 {
   public:
@@ -72,29 +30,6 @@ template <typename NodeID, typename Key> class ArrayStorage
     std::vector<Key> positions;
 };
 
-template <typename NodeID, typename Key> class MapStorage
-{
-  public:
-    explicit MapStorage(std::size_t) {}
-
-    Key &operator[](NodeID node) { return nodes[node]; }
-
-    void Clear() { nodes.clear(); }
-
-    Key peek_index(const NodeID node) const
-    {
-        const auto iter = nodes.find(node);
-        if (nodes.end() != iter)
-        {
-            return iter->second;
-        }
-        return std::numeric_limits<Key>::max();
-    }
-
-  private:
-    std::map<NodeID, Key> nodes;
-};
-
 template <typename NodeID, typename Key> class UnorderedMapStorage
 {
   public:

include/util/static_rtree.hpp

@@ -2,7 +2,9 @@
 #define STATIC_RTREE_HPP
 
 #include "storage/tar_fwd.hpp"
+#include "osrm/coordinate.hpp"
 #include "util/bearing.hpp"
+#include "util/binary_heap.hpp"
 #include "util/coordinate_calculation.hpp"
 #include "util/deallocating_vector.hpp"
 #include "util/exception.hpp"
@@ -15,8 +17,6 @@
 #include "util/vector_view.hpp"
 #include "util/web_mercator.hpp"
 
-#include "osrm/coordinate.hpp"
-
 #include "storage/shared_memory_ownership.hpp"
 
 #include <boost/assert.hpp>
@@ -554,9 +554,12 @@ class StaticRTree
         auto projected_coordinate = web_mercator::fromWGS84(input_coordinate);
         Coordinate fixed_projected_coordinate{projected_coordinate};
 
+        // we re-use queue for each query to avoid re-allocating memory
+        static thread_local util::BinaryHeap<QueryCandidate> traversal_queue;
+
+        traversal_queue.clear();
         // initialize queue with root element
-        std::priority_queue<QueryCandidate> traversal_queue;
-        traversal_queue.push(QueryCandidate{0, TreeIndex{}});
+        traversal_queue.emplace(QueryCandidate{0, TreeIndex{}});
 
         while (!traversal_queue.empty())
         {
@@ -710,10 +713,11 @@ class StaticRTree
             // distance must be non-negative
             BOOST_ASSERT(0. <= squared_distance);
             BOOST_ASSERT(i < std::numeric_limits<std::uint32_t>::max());
-            traversal_queue.push(QueryCandidate{squared_distance,
-                                                leaf_id,
-                                                static_cast<std::uint32_t>(i),
-                                                Coordinate{projected_nearest}});
+
+            traversal_queue.emplace(QueryCandidate{squared_distance,
+                                                   leaf_id,
+                                                   static_cast<std::uint32_t>(i),
+                                                   Coordinate{projected_nearest}});
         }
     }
 
@@ -742,7 +746,7 @@ class StaticRTree
                 child.minimum_bounding_rectangle.GetMinSquaredDist(
                     fixed_projected_input_coordinate);
 
-            traversal_queue.push(QueryCandidate{
+            traversal_queue.emplace(QueryCandidate{
                 squared_lower_bound_to_element,
                 TreeIndex(parent.level + 1, child_index - m_tree_level_starts[parent.level + 1])});
         }

package-lock.json

@@ -10,7 +10,8 @@
       "hasInstallScript": true,
       "license": "BSD-2-Clause",
       "dependencies": {
-        "@mapbox/node-pre-gyp": "^1.0.11"
+        "@mapbox/node-pre-gyp": "^1.0.11",
+        "seedrandom": "^3.0.5"
       },
       "devDependencies": {
         "@babel/cli": "^7.18.10",
@@ -14652,6 +14653,11 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "devOptional": true
     },
+    "node_modules/seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "node_modules/semver": {
       "version": "5.7.2",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
@@ -30296,6 +30302,11 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "devOptional": true
     },
+    "seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "semver": {
       "version": "5.7.2",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",

package.json

@@ -4,7 +4,8 @@
   "private": false,
   "description": "The Open Source Routing Machine is a high performance routing engine written in C++ designed to run on OpenStreetMap data.",
   "dependencies": {
-    "@mapbox/node-pre-gyp": "^1.0.11"
+    "@mapbox/node-pre-gyp": "^1.0.11",
+    "seedrandom": "^3.0.5"
   },
   "browserify": {
     "transform": [
@@ -57,6 +58,7 @@
     "jsonpath": "^1.1.1",
     "mkdirp": "^0.5.6",
     "node-addon-api": "^5.0.0",
+    "node-cmake": "^2.5.1",
     "node-timeout": "0.0.4",
     "polyline": "^0.2.0",
     "request": "^2.88.2",
@@ -64,12 +66,13 @@
     "tape": "^4.16.0",
     "turf": "^3.0.14",
     "uglify-js": "^3.17.0",
-    "xmlbuilder": "^4.2.1",
-    "node-cmake": "^2.5.1"
+    "xmlbuilder": "^4.2.1"
   },
   "main": "lib/index.js",
   "binary": {
-    "napi_versions": [8],
+    "napi_versions": [
+      8
+    ],
     "module_name": "node_osrm",
     "module_path": "./lib/binding_napi_v{napi_build_version}/",
     "host": "https://github.com",

profiles/foot.lua

@@ -90,6 +90,7 @@ function setup()
         path            = walking_speed,
         steps           = walking_speed,
         pedestrian      = walking_speed,
+        platform        = walking_speed,
         footway         = walking_speed,
         pier            = walking_speed,
       },

scripts/ci/bench.js

@@ -0,0 +1,211 @@
+const fs = require('fs');
+const path = require('path');
+const readline = require('readline');
+const seedrandom = require('seedrandom');
+
+
+let RNG;
+
+class GPSData {
+    constructor(gpsTracesFilePath) {
+        this.tracks = {};
+        this.coordinates = [];
+        this.trackIds = [];
+        this._loadGPSTraces(gpsTracesFilePath);
+    }
+
+    _loadGPSTraces(gpsTracesFilePath) {
+        const expandedPath = path.resolve(gpsTracesFilePath);
+        const data = fs.readFileSync(expandedPath, 'utf-8');
+        const lines = data.split('\n');
+        const headers = lines[0].split(',');
+
+        const latitudeIndex = headers.indexOf('Latitude');
+        const longitudeIndex = headers.indexOf('Longitude');
+        const trackIdIndex = headers.indexOf('TrackID');
+
+        for (let i = 1; i < lines.length; i++) {
+            if (lines[i].trim() === '') continue;
+            const row = lines[i].split(',');
+
+            const latitude = parseFloat(row[latitudeIndex]);
+            const longitude = parseFloat(row[longitudeIndex]);
+            const trackId = row[trackIdIndex];
+
+            const coord = [longitude, latitude];
+            this.coordinates.push(coord);
+
+            if (!this.tracks[trackId]) {
+                this.tracks[trackId] = [];
+            }
+            this.tracks[trackId].push(coord);
+        }
+
+        this.trackIds = Object.keys(this.tracks);
+    }
+
+    getRandomCoordinate() {
+        const randomIndex = Math.floor(RNG() * this.coordinates.length);
+        return this.coordinates[randomIndex];
+    }
+
+    getRandomTrack() {
+        const randomIndex = Math.floor(RNG() * this.trackIds.length);
+        const trackId = this.trackIds[randomIndex];
+        return this.tracks[trackId];
+    }
+};
+
+async function runOSRMMethod(osrm, method, coordinates) {
+    const time = await new Promise((resolve, reject) => {
+        const startTime = process.hrtime();
+        osrm[method]({coordinates}, (err, result) => {
+            if (err) {
+                if (['NoSegment', 'NoMatch', 'NoRoute', 'NoTrips'].includes(err.message)) {
+                    resolve(null);
+                } else {
+
+                reject(err);
+                }
+            } else {
+                const endTime = process.hrtime(startTime);
+                resolve(endTime[0] + endTime[1] / 1e9);
+            }
+        });
+    });
+    return time;
+}
+
+async function nearest(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 1000; i++) {
+        const coord = gpsData.getRandomCoordinate();
+        times.push(await runOSRMMethod(osrm, 'nearest', [coord]));
+    }
+    return times;
+}
+
+async function route(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 1000; i++) {
+        const from = gpsData.getRandomCoordinate();
+        const to = gpsData.getRandomCoordinate();
+
+        
+        times.push(await runOSRMMethod(osrm, 'route', [from, to]));
+    }
+    return times;
+}
+
+async function table(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 250; i++) {
+        const numPoints = Math.floor(RNG() * 3) + 15;
+        const coordinates = [];
+        for (let i = 0; i < numPoints; i++) {
+            coordinates.push(gpsData.getRandomCoordinate());
+        }
+
+        
+        times.push(await runOSRMMethod(osrm, 'table', coordinates));
+    }
+    return times;
+}
+
+async function match(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 1000; i++) {
+        const numPoints = Math.floor(RNG() * 50) + 50;
+        const coordinates = gpsData.getRandomTrack().slice(0, numPoints);
+
+        
+        times.push(await runOSRMMethod(osrm, 'match', coordinates));
+    }
+    return times;
+}
+
+async function trip(osrm, gpsData) {
+    const times = [];
+    for (let i = 0; i < 250; i++) {
+        const numPoints = Math.floor(RNG() * 2) + 5;
+        const coordinates = [];
+        for (let i = 0; i < numPoints; i++) {
+            coordinates.push(gpsData.getRandomCoordinate());
+        }
+
+        
+        times.push(await runOSRMMethod(osrm, 'trip', coordinates));
+    }
+    return times;
+}
+
+function bootstrapConfidenceInterval(data, numSamples = 1000, confidenceLevel = 0.95) {
+    let means = [];
+    let dataLength = data.length;
+
+    for (let i = 0; i < numSamples; i++) {
+        let sample = [];
+        for (let j = 0; j < dataLength; j++) {
+            let randomIndex = Math.floor(RNG() * dataLength);
+            sample.push(data[randomIndex]);
+        }
+        let sampleMean = sample.reduce((a, b) => a + b, 0) / sample.length;
+        means.push(sampleMean);
+    }
+
+    means.sort((a, b) => a - b);
+    let lowerBoundIndex = Math.floor((1 - confidenceLevel) / 2 * numSamples);
+    let upperBoundIndex = Math.floor((1 + confidenceLevel) / 2 * numSamples);
+    let mean = means.reduce((a, b) => a + b, 0) / means.length;
+    let lowerBound = means[lowerBoundIndex];
+    let upperBound = means[upperBoundIndex];
+
+    return { mean: mean, lowerBound: lowerBound, upperBound: upperBound };
+}
+
+function calculateConfidenceInterval(data) {
+    let { mean, lowerBound, upperBound } = bootstrapConfidenceInterval(data);
+    let bestValue = Math.max(...data);
+    let errorMargin = (upperBound - lowerBound) / 2;
+
+    return { mean, errorMargin, bestValue };
+}
+
+async function main() {
+    const args = process.argv.slice(2);
+
+    const {OSRM} = require(args[0]);
+    const path = args[1];
+    const algorithm = args[2].toUpperCase();
+    const method = args[3];
+    const gpsTracesFilePath = args[4];
+    const iterations = parseInt(args[5]);
+
+    const gpsData = new GPSData(gpsTracesFilePath);
+    const osrm = new OSRM({path, algorithm});
+
+
+    const functions = {
+        route: route,
+        table: table,
+        nearest: nearest,
+        match: match,
+        trip: trip
+    };
+    const func = functions[method];
+    if (!func) {
+        throw new Error('Unknown method');
+    }
+    const allTimes = [];
+    for (let i = 0; i < iterations; i++) {
+        RNG = seedrandom(42);
+        allTimes.push((await func(osrm, gpsData)).filter(t => t !== null));
+    }
+
+    const opsPerSec = allTimes.map(times => times.length / times.reduce((a, b) => a + b, 0));
+    const { mean, errorMargin, bestValue } = calculateConfidenceInterval(opsPerSec);
+    console.log(`Ops: ${mean.toFixed(1)} ± ${errorMargin.toFixed(1)} ops/s. Best: ${bestValue.toFixed(1)} ops/s`);
+
+}
+
+main();

scripts/ci/e2e_benchmark.py

@@ -86,9 +86,9 @@ def bootstrap_confidence_interval(data, num_samples=1000, confidence_level=0.95)
     mean = np.mean(means)
     return mean, lower_bound, upper_bound
 
-def calculate_confidence_interval(data):
+def calculate_confidence_interval(data, min_is_best=True):
     mean, lower, upper = bootstrap_confidence_interval(data)
-    min_value = np.min(data)
+    min_value = np.min(data) if min_is_best else np.max(data)
     return mean, (upper - lower) / 2, min_value
 
 
@@ -117,7 +117,7 @@ def main():
 
 
     total_time, total_ci, total_best = calculate_confidence_interval(np.sum(all_times, axis=1))
-    ops_per_sec, ops_per_sec_ci, ops_per_sec_best = calculate_confidence_interval(float(all_times.shape[1]) / np.sum(all_times / 1000, axis=1))
+    ops_per_sec, ops_per_sec_ci, ops_per_sec_best = calculate_confidence_interval(float(all_times.shape[1]) / np.sum(all_times / 1000, axis=1), min_is_best=False)
     min_time, min_ci, _ = calculate_confidence_interval(np.min(all_times, axis=1))
     mean_time, mean_ci, _ = calculate_confidence_interval(np.mean(all_times, axis=1))
     median_time, median_ci, _ = calculate_confidence_interval(np.median(all_times, axis=1))

scripts/ci/run_benchmarks.sh

@@ -53,6 +53,7 @@ function run_benchmarks_for_folder {
     mkdir -p $RESULTS_FOLDER
 
     BENCHMARKS_FOLDER="$BINARIES_FOLDER/src/benchmarks"
+
     echo "Running match-bench MLD"
     $BENCHMARKS_FOLDER/match-bench "$FOLDER/test/data/mld/monaco.osrm" mld > "$RESULTS_FOLDER/match_mld.bench"
     echo "Running match-bench CH"
@@ -81,6 +82,18 @@ function run_benchmarks_for_folder {
     echo "Running osrm-contract"
     measure_peak_ram_and_time "$BINARIES_FOLDER/osrm-contract $FOLDER/data.osrm" "$RESULTS_FOLDER/osrm_contract.bench"
 
+
+    for ALGORITHM in ch mld; do
+        for BENCH in nearest table trip route match; do
+            echo "Running node $BENCH $ALGORITHM"
+            START=$(date +%s.%N)
+            node $SCRIPTS_FOLDER/scripts/ci/bench.js $FOLDER/lib/binding/node_osrm.node $FOLDER/data.osrm $ALGORITHM $BENCH $GPS_TRACES > "$RESULTS_FOLDER/node_${BENCH}_${ALGORITHM}.bench" 5
+            END=$(date +%s.%N)
+            DIFF=$(echo "$END - $START" | bc)
+            echo "Took: ${DIFF}s"
+        done
+    done
+    
     for ALGORITHM in ch mld; do
         for BENCH in nearest table trip route match; do
             echo "Running random $BENCH $ALGORITHM"

scripts/ci/windows-build.bat

@@ -59,28 +59,22 @@ IF %ERRORLEVEL% NEQ 0 GOTO ERROR
 
 SET test_region=monaco
 SET test_region_ch=ch\monaco
-SET test_region_corech=corech\monaco
 SET test_region_mld=mld\monaco
 SET test_osm=%test_region%.osm.pbf
-COPY %PROJECT_DIR%\test\data\%test_region%.osm.pbf %test_osm% 
+COPY %PROJECT_DIR%\test\data\%test_region%.osm.pbf %test_osm%
 %CONFIGURATION%\osrm-extract.exe -p %PROJECT_DIR%\profiles\car.lua %test_osm%
 IF %ERRORLEVEL% NEQ 0 GOTO ERROR
 
 MKDIR ch
 XCOPY %test_region%.osrm.* ch\
 XCOPY %test_region%.osrm ch\
-MKDIR corech
-XCOPY %test_region%.osrm.* corech\
-XCOPY %test_region%.osrm corech\
 MKDIR mld
 XCOPY %test_region%.osrm.* mld\
 XCOPY %test_region%.osrm mld\
 %CONFIGURATION%\osrm-contract.exe %test_region_ch%.osrm
-%CONFIGURATION%\osrm-contract.exe --core 0.8 %test_region_corech%.osrm
 %CONFIGURATION%\osrm-partition.exe %test_region_mld%.osrm
 %CONFIGURATION%\osrm-customize.exe %test_region_mld%.osrm
 XCOPY /Y ch\*.* ..\test\data\ch\
-XCOPY /Y corech\*.* ..\test\data\corech\
 XCOPY /Y mld\*.* ..\test\data\mld\
 unit_tests\%CONFIGURATION%\library-tests.exe
 IF %ERRORLEVEL% NEQ 0 GOTO ERROR

scripts/update_dependencies.sh

@@ -30,6 +30,9 @@ VTZERO_TAG=v1.1.0
 FMT_PATH="fmtlib/fmt"
 FMT_TAG=v10.2.1
 
+FLATBUFFERS_PATH="google/flatbuffers"
+FLATBUFFERS_TAG=v24.3.25
+
 function update_subtree () {
     name=$(echo "$1" | tr '[:lower:]' '[:upper:]')
     path=$(tmpvar=${name}_PATH && echo ${!tmpvar})
@@ -53,6 +56,6 @@ function update_subtree () {
 }
 
 ## Update dependencies
-for dep in osmium sol rapidjson microtar protozero vtzero fmt; do
+for dep in osmium sol rapidjson microtar protozero vtzero fmt flatbuffers; do
     update_subtree $dep
 done

src/benchmarks/bench.cpp

@@ -16,8 +16,8 @@
 #include "osrm/osrm.hpp"
 #include "osrm/status.hpp"
 
+#include "util/meminfo.hpp"
 #include <boost/assert.hpp>
-
 #include <boost/optional/optional.hpp>
 #include <cstdlib>
 #include <exception>
@@ -134,6 +134,7 @@ struct ConfidenceInterval
     double mean;
     double confidence;
     double min;
+    double max;
 };
 
 // Helper function to calculate the bootstrap confidence interval
@@ -161,8 +162,10 @@ ConfidenceInterval confidenceInterval(const std::vector<double> &data,
     double upper_bound = means[(int)((1 + confidence_level) / 2 * num_samples)];
     double mean = std::accumulate(means.begin(), means.end(), 0.0) / means.size();
 
-    ConfidenceInterval ci = {
-        mean, (upper_bound - lower_bound) / 2, *std::min_element(data.begin(), data.end())};
+    ConfidenceInterval ci = {mean,
+                             (upper_bound - lower_bound) / 2,
+                             *std::min_element(data.begin(), data.end()),
+                             *std::max_element(data.begin(), data.end())};
     return ci;
 }
 
@@ -260,7 +263,7 @@ std::ostream &operator<<(std::ostream &os, Statistics &statistics)
     ConfidenceInterval ops_ci = statistics.ops_per_sec();
 
     os << "ops: " << ops_ci.mean << " ± " << ops_ci.confidence << " ops/s. "
-       << "best: " << ops_ci.min << "ops/s." << std::endl;
+       << "best: " << ops_ci.max << "ops/s." << std::endl;
     os << "total: " << total_ci.mean << " ± " << total_ci.confidence << "ms. "
        << "best: " << total_ci.min << "ms." << std::endl;
     os << "avg: " << mean_ci.mean << " ± " << mean_ci.confidence << "ms" << std::endl;
@@ -357,8 +360,8 @@ void runRouteBenchmark(const OSRM &osrm, const GPSTraces &gpsTraces, int iterati
 
                       if (benchmark.radius)
                       {
-                          params.radiuses = std::vector<boost::optional<double>>(
-                              params.coordinates.size(), boost::make_optional(*benchmark.radius));
+                          params.radiuses = std::vector<std::optional<double>>(
+                              params.coordinates.size(), std::make_optional(*benchmark.radius));
                       }
 
                       engine::api::ResultT result = json::Object();
@@ -652,6 +655,12 @@ try
         std::cerr << "Unknown benchmark: " << benchmarkToRun << std::endl;
         return EXIT_FAILURE;
     }
+
+    std::cout << "Peak RAM: " << std::setprecision(3)
+              << static_cast<double>(osrm::util::PeakRAMUsedInBytes()) /
+                     static_cast<double>((1024 * 1024))
+              << "MB" << std::endl;
+
     return EXIT_SUCCESS;
 }
 catch (const std::exception &e)

src/benchmarks/route.cpp

@@ -66,8 +66,8 @@ try
 
         if (benchmark.radius)
         {
-            params.radiuses = std::vector<boost::optional<double>>(
-                params.coordinates.size(), boost::make_optional(*benchmark.radius));
+            params.radiuses = std::vector<std::optional<double>>(
+                params.coordinates.size(), std::make_optional(*benchmark.radius));
         }
 
         TIMER_START(routes);

src/engine/api/json_factory.cpp

@@ -11,7 +11,7 @@
 #include "util/typedefs.hpp"
 
 #include <boost/assert.hpp>
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <iterator>
@@ -215,7 +215,7 @@ util::json::Object makeRouteStep(guidance::RouteStep step, util::json::Value geo
 
 util::json::Object makeRoute(const guidance::Route &route,
                              util::json::Array legs,
-                             boost::optional<util::json::Value> geometry,
+                             std::optional<util::json::Value> geometry,
                              const char *weight_name)
 {
     util::json::Object json_route;

src/engine/engine_config.cpp

@@ -12,15 +12,13 @@ bool EngineConfig::IsValid() const
     const auto unlimited_or_more_than = [](const auto v, const auto limit)
     { return v == -1 || v > limit; };
 
-    const bool limits_valid =
-        unlimited_or_more_than(max_locations_distance_table, 2) &&
-        unlimited_or_more_than(max_locations_map_matching, 2) &&
-        unlimited_or_more_than(max_radius_map_matching, 0) &&
-        unlimited_or_more_than(max_locations_trip, 2) &&
-        unlimited_or_more_than(max_locations_viaroute, 2) &&
-        unlimited_or_more_than(max_results_nearest, 0) &&
-        (!default_radius.has_value() || unlimited_or_more_than(*default_radius, 0)) &&
-        max_alternatives >= 0;
+    const bool limits_valid = unlimited_or_more_than(max_locations_distance_table, 2) &&
+                              unlimited_or_more_than(max_locations_map_matching, 2) &&
+                              unlimited_or_more_than(max_radius_map_matching, 0) &&
+                              unlimited_or_more_than(max_locations_trip, 2) &&
+                              unlimited_or_more_than(max_locations_viaroute, 2) &&
+                              unlimited_or_more_than(max_results_nearest, 0) &&
+                              unlimited_or_more_than(default_radius, 0) && max_alternatives >= 0;
 
     return ((use_shared_memory && all_path_are_empty) || (use_mmap && storage_config.IsValid()) ||
             storage_config.IsValid()) &&

src/engine/plugins/match.cpp

@@ -194,7 +194,7 @@ Status MatchPlugin::HandleRequest(const RoutingAlgorithmsInterface &algorithms,
             tidied.parameters.radiuses.begin(),
             tidied.parameters.radiuses.end(),
             search_radiuses.begin(),
-            [default_radius = this->default_radius](const boost::optional<double> &maybe_radius)
+            [default_radius = this->default_radius](const std::optional<double> &maybe_radius)
             {
                 if (maybe_radius)
                 {

src/engine/plugins/nearest.cpp

@@ -10,7 +10,7 @@
 namespace osrm::engine::plugins
 {
 
-NearestPlugin::NearestPlugin(const int max_results_, const boost::optional<double> default_radius_)
+NearestPlugin::NearestPlugin(const int max_results_, const std::optional<double> default_radius_)
     : BasePlugin(default_radius_), max_results{max_results_}
 {
 }

src/engine/plugins/table.cpp

@@ -15,7 +15,7 @@ namespace osrm::engine::plugins
 {
 
 TablePlugin::TablePlugin(const int max_locations_distance_table,
-                         const boost::optional<double> default_radius)
+                         const std::optional<double> default_radius)
     : BasePlugin(default_radius), max_locations_distance_table(max_locations_distance_table)
 {
 }

src/engine/plugins/viaroute.cpp

@@ -17,7 +17,7 @@ namespace osrm::engine::plugins
 
 ViaRoutePlugin::ViaRoutePlugin(int max_locations_viaroute,
                                int max_alternatives,
-                               boost::optional<double> default_radius)
+                               std::optional<double> default_radius)
     : BasePlugin(default_radius), max_locations_viaroute(max_locations_viaroute),
       max_alternatives(max_alternatives)
 {

src/engine/routing_algorithms/alternative_path_mld.cpp

@@ -621,27 +621,24 @@ void unpackPackedPaths(InputIt first,
                 BOOST_ASSERT(!facade.ExcludeNode(source));
                 BOOST_ASSERT(!facade.ExcludeNode(target));
 
-                // TODO: when structured bindings will be allowed change to
-                // auto [subpath_weight, subpath_source, subpath_target, subpath] = ...
-                EdgeWeight subpath_weight;
-                std::vector<NodeID> subpath_nodes;
-                std::vector<EdgeID> subpath_edges;
-                std::tie(subpath_weight, subpath_nodes, subpath_edges) = search(search_engine_data,
-                                                                                facade,
-                                                                                forward_heap,
-                                                                                reverse_heap,
-                                                                                {},
-                                                                                INVALID_EDGE_WEIGHT,
-                                                                                sublevel,
-                                                                                parent_cell_id);
-                BOOST_ASSERT(!subpath_edges.empty());
-                BOOST_ASSERT(subpath_nodes.size() > 1);
-                BOOST_ASSERT(subpath_nodes.front() == source);
-                BOOST_ASSERT(subpath_nodes.back() == target);
-                unpacked_nodes.insert(
-                    unpacked_nodes.end(), std::next(subpath_nodes.begin()), subpath_nodes.end());
-                unpacked_edges.insert(
-                    unpacked_edges.end(), subpath_edges.begin(), subpath_edges.end());
+                auto unpacked_subpath = search(search_engine_data,
+                                               facade,
+                                               forward_heap,
+                                               reverse_heap,
+                                               {},
+                                               INVALID_EDGE_WEIGHT,
+                                               sublevel,
+                                               parent_cell_id);
+                BOOST_ASSERT(!unpacked_subpath.edges.empty());
+                BOOST_ASSERT(unpacked_subpath.nodes.size() > 1);
+                BOOST_ASSERT(unpacked_subpath.nodes.front() == source);
+                BOOST_ASSERT(unpacked_subpath.nodes.back() == target);
+                unpacked_nodes.insert(unpacked_nodes.end(),
+                                      std::next(unpacked_subpath.nodes.begin()),
+                                      unpacked_subpath.nodes.end());
+                unpacked_edges.insert(unpacked_edges.end(),
+                                      unpacked_subpath.edges.begin(),
+                                      unpacked_subpath.edges.end());
             }
         }
 

src/engine/routing_algorithms/direct_shortest_path.cpp

@@ -70,20 +70,19 @@ InternalRouteResult directShortestPathSearch(SearchEngineData<mld::Algorithm> &e
     auto &reverse_heap = *engine_working_data.reverse_heap_1;
     insertNodesInHeaps(forward_heap, reverse_heap, endpoint_candidates);
 
-    // TODO: when structured bindings will be allowed change to
-    // auto [weight, source_node, target_node, unpacked_edges] = ...
-    EdgeWeight weight = INVALID_EDGE_WEIGHT;
-    std::vector<NodeID> unpacked_nodes;
-    std::vector<EdgeID> unpacked_edges;
-    std::tie(weight, unpacked_nodes, unpacked_edges) = mld::search(engine_working_data,
-                                                                   facade,
-                                                                   forward_heap,
-                                                                   reverse_heap,
-                                                                   {},
-                                                                   INVALID_EDGE_WEIGHT,
-                                                                   endpoint_candidates);
+    auto unpacked_path = mld::search(engine_working_data,
+                                     facade,
+                                     forward_heap,
+                                     reverse_heap,
+                                     {},
+                                     INVALID_EDGE_WEIGHT,
+                                     endpoint_candidates);
 
-    return extractRoute(facade, weight, endpoint_candidates, unpacked_nodes, unpacked_edges);
+    return extractRoute(facade,
+                        unpacked_path.weight,
+                        endpoint_candidates,
+                        unpacked_path.nodes,
+                        unpacked_path.edges);
 }
 
 } // namespace osrm::engine::routing_algorithms

src/engine/routing_algorithms/map_matching.cpp

@@ -70,7 +70,7 @@ SubMatchingList mapMatching(SearchEngineData<Algorithm> &engine_working_data,
                             const CandidateLists &candidates_list,
                             const std::vector<util::Coordinate> &trace_coordinates,
                             const std::vector<unsigned> &trace_timestamps,
-                            const std::vector<boost::optional<double>> &trace_gps_precision,
+                            const std::vector<std::optional<double>> &trace_gps_precision,
                             const bool allow_splitting)
 {
     map_matching::MatchingConfidence confidence;
@@ -401,6 +401,7 @@ SubMatchingList mapMatching(SearchEngineData<Algorithm> &engine_working_data,
         auto trace_distance = 0.0;
         matching.nodes.reserve(reconstructed_indices.size());
         matching.indices.reserve(reconstructed_indices.size());
+        matching.alternatives_count.reserve(reconstructed_indices.size());
         for (const auto &idx : reconstructed_indices)
         {
             const auto timestamp_index = idx.first;
@@ -428,7 +429,7 @@ SubMatchingList mapMatching(SearchEngineData<Algorithm> &engine_working_data,
 
         matching.confidence = confidence(trace_distance, matching_distance);
 
-        sub_matchings.push_back(matching);
+        sub_matchings.emplace_back(std::move(matching));
         sub_matching_begin = sub_matching_end;
     }
 
@@ -436,24 +437,22 @@ SubMatchingList mapMatching(SearchEngineData<Algorithm> &engine_working_data,
 }
 
 // CH
-template SubMatchingList
-mapMatching(SearchEngineData<ch::Algorithm> &engine_working_data,
-            const DataFacade<ch::Algorithm> &facade,
-            const CandidateLists &candidates_list,
-            const std::vector<util::Coordinate> &trace_coordinates,
-            const std::vector<unsigned> &trace_timestamps,
-            const std::vector<boost::optional<double>> &trace_gps_precision,
-            const bool allow_splitting);
+template SubMatchingList mapMatching(SearchEngineData<ch::Algorithm> &engine_working_data,
+                                     const DataFacade<ch::Algorithm> &facade,
+                                     const CandidateLists &candidates_list,
+                                     const std::vector<util::Coordinate> &trace_coordinates,
+                                     const std::vector<unsigned> &trace_timestamps,
+                                     const std::vector<std::optional<double>> &trace_gps_precision,
+                                     const bool allow_splitting);
 
 // MLD
-template SubMatchingList
-mapMatching(SearchEngineData<mld::Algorithm> &engine_working_data,
-            const DataFacade<mld::Algorithm> &facade,
-            const CandidateLists &candidates_list,
-            const std::vector<util::Coordinate> &trace_coordinates,
-            const std::vector<unsigned> &trace_timestamps,
-            const std::vector<boost::optional<double>> &trace_gps_precision,
-            const bool allow_splitting);
+template SubMatchingList mapMatching(SearchEngineData<mld::Algorithm> &engine_working_data,
+                                     const DataFacade<mld::Algorithm> &facade,
+                                     const CandidateLists &candidates_list,
+                                     const std::vector<util::Coordinate> &trace_coordinates,
+                                     const std::vector<unsigned> &trace_timestamps,
+                                     const std::vector<std::optional<double>> &trace_gps_precision,
+                                     const bool allow_splitting);
 
 } // namespace osrm::engine::routing_algorithms
 

src/engine/routing_algorithms/shortest_path.cpp

@@ -9,12 +9,12 @@ template InternalRouteResult
 shortestPathSearch(SearchEngineData<ch::Algorithm> &engine_working_data,
                    const DataFacade<ch::Algorithm> &facade,
                    const std::vector<PhantomNodeCandidates> &waypoint_candidates,
-                   const boost::optional<bool> continue_straight_at_waypoint);
+                   const std::optional<bool> continue_straight_at_waypoint);
 
 template InternalRouteResult
 shortestPathSearch(SearchEngineData<mld::Algorithm> &engine_working_data,
                    const DataFacade<mld::Algorithm> &facade,
                    const std::vector<PhantomNodeCandidates> &waypoint_candidates,
-                   const boost::optional<bool> continue_straight_at_waypoint);
+                   const std::optional<bool> continue_straight_at_waypoint);
 
 } // namespace osrm::engine::routing_algorithms

src/engine/search_engine_data.cpp

@@ -5,16 +5,18 @@ namespace osrm::engine
 
 // CH heaps
 using CH = routing_algorithms::ch::Algorithm;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::forward_heap_1;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::reverse_heap_1;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::forward_heap_2;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::reverse_heap_2;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::forward_heap_3;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::reverse_heap_3;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::map_matching_forward_heap_1;
-SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::map_matching_reverse_heap_1;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::forward_heap_1;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::reverse_heap_1;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::forward_heap_2;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::reverse_heap_2;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::forward_heap_3;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr SearchEngineData<CH>::reverse_heap_3;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr
+    SearchEngineData<CH>::map_matching_forward_heap_1;
+thread_local SearchEngineData<CH>::SearchEngineHeapPtr
+    SearchEngineData<CH>::map_matching_reverse_heap_1;
 
-SearchEngineData<CH>::ManyToManyHeapPtr SearchEngineData<CH>::many_to_many_heap;
+thread_local SearchEngineData<CH>::ManyToManyHeapPtr SearchEngineData<CH>::many_to_many_heap;
 
 void SearchEngineData<CH>::InitializeOrClearMapMatchingThreadLocalStorage(unsigned number_of_nodes)
 {
@@ -114,11 +116,13 @@ void SearchEngineData<CH>::InitializeOrClearManyToManyThreadLocalStorage(unsigne
 
 // MLD
 using MLD = routing_algorithms::mld::Algorithm;
-SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::forward_heap_1;
-SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::reverse_heap_1;
-SearchEngineData<MLD>::MapMatchingHeapPtr SearchEngineData<MLD>::map_matching_forward_heap_1;
-SearchEngineData<MLD>::MapMatchingHeapPtr SearchEngineData<MLD>::map_matching_reverse_heap_1;
-SearchEngineData<MLD>::ManyToManyHeapPtr SearchEngineData<MLD>::many_to_many_heap;
+thread_local SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::forward_heap_1;
+thread_local SearchEngineData<MLD>::SearchEngineHeapPtr SearchEngineData<MLD>::reverse_heap_1;
+thread_local SearchEngineData<MLD>::MapMatchingHeapPtr
+    SearchEngineData<MLD>::map_matching_forward_heap_1;
+thread_local SearchEngineData<MLD>::MapMatchingHeapPtr
+    SearchEngineData<MLD>::map_matching_reverse_heap_1;
+thread_local SearchEngineData<MLD>::ManyToManyHeapPtr SearchEngineData<MLD>::many_to_many_heap;
 
 void SearchEngineData<MLD>::InitializeOrClearMapMatchingThreadLocalStorage(
     unsigned number_of_nodes, unsigned number_of_boundary_nodes)
@@ -178,4 +182,4 @@ void SearchEngineData<MLD>::InitializeOrClearManyToManyThreadLocalStorage(
         many_to_many_heap.reset(new ManyToManyQueryHeap(number_of_nodes, number_of_boundary_nodes));
     }
 }
-} // namespace osrm::engine
+} // namespace osrm::engine

src/extractor/extractor_callbacks.cpp

@@ -23,8 +23,6 @@
 #include <vector>
 
 #ifdef _MSC_VER
-#if (_MSC_VER >= 1928)
-#ifdef _DEBUG
 namespace osrm
 {
 namespace extractor
@@ -37,8 +35,6 @@ const ByEdgeOrByMeterValue::ValueByMeter ByEdgeOrByMeterValue::by_meter;
 } // namespace extractor
 } // namespace osrm
 #endif
-#endif
-#endif
 
 namespace osrm::extractor
 {

src/server/api/parameters_parser.cpp

@@ -28,8 +28,8 @@ template <typename ParameterT,
           typename GrammarT,
           typename std::enable_if<detail::is_parameter_t<ParameterT>::value, int>::type = 0,
           typename std::enable_if<detail::is_grammar_t<GrammarT>::value, int>::type = 0>
-boost::optional<ParameterT> parseParameters(std::string::iterator &iter,
-                                            const std::string::iterator end)
+std::optional<ParameterT> parseParameters(std::string::iterator &iter,
+                                          const std::string::iterator end)
 {
     using It = std::decay<decltype(iter)>::type;
 
@@ -56,52 +56,52 @@ boost::optional<ParameterT> parseParameters(std::string::iterator &iter,
         // as normal parser error
     }
 
-    return boost::none;
+    return std::nullopt;
 }
 } // namespace detail
 
 template <>
-boost::optional<engine::api::RouteParameters> parseParameters(std::string::iterator &iter,
-                                                              const std::string::iterator end)
+std::optional<engine::api::RouteParameters> parseParameters(std::string::iterator &iter,
+                                                            const std::string::iterator end)
 {
     return detail::parseParameters<engine::api::RouteParameters, RouteParametersGrammar<>>(iter,
                                                                                            end);
 }
 
 template <>
-boost::optional<engine::api::TableParameters> parseParameters(std::string::iterator &iter,
-                                                              const std::string::iterator end)
+std::optional<engine::api::TableParameters> parseParameters(std::string::iterator &iter,
+                                                            const std::string::iterator end)
 {
     return detail::parseParameters<engine::api::TableParameters, TableParametersGrammar<>>(iter,
                                                                                            end);
 }
 
 template <>
-boost::optional<engine::api::NearestParameters> parseParameters(std::string::iterator &iter,
-                                                                const std::string::iterator end)
+std::optional<engine::api::NearestParameters> parseParameters(std::string::iterator &iter,
+                                                              const std::string::iterator end)
 {
     return detail::parseParameters<engine::api::NearestParameters, NearestParametersGrammar<>>(iter,
                                                                                                end);
 }
 
 template <>
-boost::optional<engine::api::TripParameters> parseParameters(std::string::iterator &iter,
-                                                             const std::string::iterator end)
+std::optional<engine::api::TripParameters> parseParameters(std::string::iterator &iter,
+                                                           const std::string::iterator end)
 {
     return detail::parseParameters<engine::api::TripParameters, TripParametersGrammar<>>(iter, end);
 }
 
 template <>
-boost::optional<engine::api::MatchParameters> parseParameters(std::string::iterator &iter,
-                                                              const std::string::iterator end)
+std::optional<engine::api::MatchParameters> parseParameters(std::string::iterator &iter,
+                                                            const std::string::iterator end)
 {
     return detail::parseParameters<engine::api::MatchParameters, MatchParametersGrammar<>>(iter,
                                                                                            end);
 }
 
 template <>
-boost::optional<engine::api::TileParameters> parseParameters(std::string::iterator &iter,
-                                                             const std::string::iterator end)
+std::optional<engine::api::TileParameters> parseParameters(std::string::iterator &iter,
+                                                           const std::string::iterator end)
 {
     return detail::parseParameters<engine::api::TileParameters, TileParametersGrammar<>>(iter, end);
 }

src/server/api/url_parser.cpp

@@ -65,7 +65,7 @@ struct URLParser final : qi::grammar<Iterator, Into>
 namespace osrm::server::api
 {
 
-boost::optional<ParsedURL> parseURL(std::string::iterator &iter, const std::string::iterator end)
+std::optional<ParsedURL> parseURL(std::string::iterator &iter, const std::string::iterator end)
 {
     using It = std::decay<decltype(iter)>::type;
 
@@ -77,7 +77,7 @@ boost::optional<ParsedURL> parseURL(std::string::iterator &iter, const std::stri
         const auto ok = boost::spirit::qi::parse(iter, end, parser(boost::phoenix::val(iter)), out);
 
         if (ok && iter == end)
-            return boost::make_optional(out);
+            return std::make_optional(out);
     }
     catch (const qi::expectation_failure<It> &failure)
     {
@@ -86,7 +86,7 @@ boost::optional<ParsedURL> parseURL(std::string::iterator &iter, const std::stri
         iter = failure.first;
     }
 
-    return boost::none;
+    return std::nullopt;
 }
 
 } // namespace osrm::server::api

src/tools/contract.cpp

@@ -46,25 +46,16 @@ return_code parseArguments(int argc,
         boost::program_options::value<unsigned int>(&contractor_config.requested_num_threads)
             ->default_value(std::thread::hardware_concurrency()),
         "Number of threads to use")(
-        "core,k",
-        boost::program_options::value<double>(&contractor_config.core_factor)->default_value(1.0),
-        "DEPRECATED: Will always be 1.0. Percentage of the graph (in vertices) to contract "
-        "[0..1].")("segment-speed-file",
-                   boost::program_options::value<std::vector<std::string>>(
-                       &contractor_config.updater_config.segment_speed_lookup_paths)
-                       ->composing(),
-                   "Lookup files containing nodeA, nodeB, speed data to adjust edge weights")(
+        "segment-speed-file",
+        boost::program_options::value<std::vector<std::string>>(
+            &contractor_config.updater_config.segment_speed_lookup_paths)
+            ->composing(),
+        "Lookup files containing nodeA, nodeB, speed data to adjust edge weights")(
         "turn-penalty-file",
         boost::program_options::value<std::vector<std::string>>(
             &contractor_config.updater_config.turn_penalty_lookup_paths)
             ->composing(),
         "Lookup files containing from_, to_, via_nodes, and turn penalties to adjust turn weights")(
-        "level-cache,o",
-        boost::program_options::bool_switch(&contractor_config.use_cached_priority)
-            ->default_value(false),
-        "DEPRECATED: Will always be false. Use .level file to retain the contraction level for "
-        "each "
-        "node from the last run.")(
         "edge-weight-updates-over-factor",
         boost::program_options::value<double>(
             &contractor_config.updater_config.log_edge_updates_factor)

src/tools/routed.cpp

@@ -186,7 +186,7 @@ inline unsigned generateServerProgramOptions(const int argc,
          value<double>(&config.max_radius_map_matching)->default_value(-1.0),
          "Max. radius size supported in map matching query. Default: unlimited.") //
         ("default-radius",
-         value<boost::optional<double>>(&config.default_radius)->default_value(-1.0),
+         value<double>(&config.default_radius)->default_value(-1.0),
          "Default radius size for queries. Default: unlimited.");
 
     // hidden options, will be allowed on command line, but will not be shown to the user

third_party/flatbuffers/.appveyor/check-generate-code.bat

@@ -1,41 +0,0 @@
-:: Copyright 2018 Google Inc. All rights reserved.
-::
-:: Licensed under the Apache License, Version 2.0 (the "License");
-:: you may not use this file except in compliance with the License.
-:: You may obtain a copy of the License at
-::
-::     http://www.apache.org/licenses/LICENSE-2.0
-::
-:: Unless required by applicable law or agreed to in writing, software
-:: distributed under the License is distributed on an "AS IS" BASIS,
-:: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-:: See the License for the specific language governing permissions and
-:: limitations under the License.
-set buildtype=Release
-if "%1"=="-b" set buildtype=%2
-
-cd tests
-call generate_code.bat -b %buildtype% || goto FAIL
-
-:: TODO: Release and Debug builds produce differences here for some reason.
-git checkout HEAD -- monster_test.bfbs
-git checkout HEAD -- arrays_test.bfbs
-
-git -c core.autocrlf=true diff --exit-code --quiet || goto :DIFFFOUND
-goto SUCCESS
-
-:DIFFFOUND
-@echo "" >&2
-@echo "ERROR: ********************************************************" >&2
-@echo "ERROR: The following differences were found after running the" >&2
-@echo "ERROR: tests/generate_code.sh script.  Maybe you forgot to run" >&2
-@echo "ERROR: it after making changes in a generator or schema?" >&2
-@echo "ERROR: ********************************************************" >&2
-@echo "" >&2
-@git -c core.autocrlf=true --no-pager diff --binary
-
-:FAIL
-set EXITCODE=1
-:SUCCESS
-cd ..
-EXIT /B %EXITCODE%

third_party/flatbuffers/.bazelci/presubmit.yml

@@ -1,18 +1,38 @@
 ---
 buildifier: latest
+bazel: 6.4.0
 platforms:
-  ubuntu1604:
-    build_targets:
-    - "..."
-    test_targets:
-    - "..."
   ubuntu1804:
+    environment:
+      CC: clang
+      SWIFT_VERSION: "5.5.3"
+      SWIFT_HOME: "$HOME/swift-$SWIFT_VERSION"
+      PATH: "$PATH:$SWIFT_HOME/usr/bin"
+    shell_commands:
+      - "echo --- Downloading and extracting Swift $SWIFT_VERSION to $SWIFT_HOME"
+      - "mkdir $SWIFT_HOME"
+      - "curl https://download.swift.org/swift-${SWIFT_VERSION}-release/ubuntu1804/swift-${SWIFT_VERSION}-RELEASE/swift-${SWIFT_VERSION}-RELEASE-ubuntu18.04.tar.gz | tar xvz --strip-components=1 -C $SWIFT_HOME"
     build_targets:
-    - "..."
+    - "//..."
     test_targets:
-    - "..."
+    - "//..."
+  ubuntu2004:
+    environment:
+      CC: clang
+      SWIFT_VERSION: "5.5.3"
+      SWIFT_HOME: "$HOME/swift-$SWIFT_VERSION"
+      PATH: "$PATH:$SWIFT_HOME/usr/bin"
+    shell_commands:
+      - "echo --- Downloading and extracting Swift $SWIFT_VERSION to $SWIFT_HOME"
+      - "mkdir $SWIFT_HOME"
+      - "curl https://download.swift.org/swift-${SWIFT_VERSION}-release/ubuntu2004/swift-${SWIFT_VERSION}-RELEASE/swift-${SWIFT_VERSION}-RELEASE-ubuntu20.04.tar.gz | tar xvz --strip-components=1 -C $SWIFT_HOME"
+    build_targets:
+    - "//..."
+    test_targets:
+    - "//..."
   macos:
+    xcode_version: "14.2"
     build_targets:
-    - "..."
+    - "//..."
     test_targets:
-    - "..."
+    - "//..."

third_party/flatbuffers/.bazelignore

@@ -0,0 +1 @@
+node_modules

third_party/flatbuffers/.bazelrc

@@ -0,0 +1,4 @@
+# We cannot use "common" here because the "version" command doesn't support
+# --deleted_packages. We need to specify it for both build and query instead.
+build --deleted_packages=tests/ts/bazel_repository_test_dir
+query --deleted_packages=tests/ts/bazel_repository_test_dir

third_party/flatbuffers/.clang-tidy

@@ -0,0 +1,347 @@
+---
+FormatStyle: "file"
+WarningsAsErrors: "*"
+HeaderFilterRegex: ".*"
+Checks: "google-build-explicit-make-pair,
+         google-build-namespaces,
+         google-build-using-namespace,
+         google-default-arguments,
+         google-explicit-constructor,
+         google-global-names-in-headers,
+         google-objc-avoid-nsobject-new,
+         google-objc-avoid-throwing-exception,
+         google-objc-function-naming,
+         google-objc-global-variable-declaration,
+         google-readability-avoid-underscore-in-googletest-name,
+         google-readability-braces-around-statements,
+         google-readability-casting,
+         google-readability-function-size,
+         google-readability-namespace-comments,
+         google-runtime-int,
+         google-runtime-operator,
+         google-upgrade-googletest-case,
+         clang-analyzer-apiModeling.StdCLibraryFunctions,
+         clang-analyzer-apiModeling.TrustNonnull,
+         clang-analyzer-apiModeling.google.GTest,
+         clang-analyzer-apiModeling.llvm.CastValue,
+         clang-analyzer-apiModeling.llvm.ReturnValue,
+         clang-analyzer-core.CallAndMessage,
+         clang-analyzer-core.CallAndMessageModeling,
+         clang-analyzer-core.DivideZero,
+         clang-analyzer-core.DynamicTypePropagation,
+         clang-analyzer-core.NonNullParamChecker,
+         clang-analyzer-core.NonnilStringConstants,
+         clang-analyzer-core.NullDereference,
+         clang-analyzer-core.StackAddrEscapeBase,
+         clang-analyzer-core.StackAddressEscape,
+         clang-analyzer-core.UndefinedBinaryOperatorResult,
+         clang-analyzer-core.VLASize,
+         clang-analyzer-core.builtin.BuiltinFunctions,
+         clang-analyzer-core.builtin.NoReturnFunctions,
+         clang-analyzer-core.uninitialized.ArraySubscript,
+         clang-analyzer-core.uninitialized.Assign,
+         clang-analyzer-core.uninitialized.Branch,
+         clang-analyzer-core.uninitialized.CapturedBlockVariable,
+         clang-analyzer-core.uninitialized.UndefReturn,
+         clang-analyzer-cplusplus.InnerPointer,
+         clang-analyzer-cplusplus.Move,
+         clang-analyzer-cplusplus.NewDelete,
+         clang-analyzer-cplusplus.NewDeleteLeaks,
+         clang-analyzer-cplusplus.PlacementNew,
+         clang-analyzer-cplusplus.PureVirtualCall,
+         clang-analyzer-cplusplus.SelfAssignment,
+         clang-analyzer-cplusplus.SmartPtrModeling,
+         clang-analyzer-cplusplus.StringChecker,
+         clang-analyzer-cplusplus.VirtualCallModeling,
+         clang-analyzer-deadcode.DeadStores,
+         clang-analyzer-fuchsia.HandleChecker,
+         clang-analyzer-nullability.NullPassedToNonnull,
+         clang-analyzer-nullability.NullReturnedFromNonnull,
+         clang-analyzer-nullability.NullabilityBase,
+         clang-analyzer-nullability.NullableDereferenced,
+         clang-analyzer-nullability.NullablePassedToNonnull,
+         clang-analyzer-nullability.NullableReturnedFromNonnull,
+         clang-analyzer-optin.cplusplus.UninitializedObject,
+         clang-analyzer-optin.cplusplus.VirtualCall,
+         clang-analyzer-optin.mpi.MPI-Checker,
+         clang-analyzer-optin.osx.OSObjectCStyleCast,
+         clang-analyzer-optin.osx.cocoa.localizability.EmptyLocalizationContextChecker,
+         clang-analyzer-optin.osx.cocoa.localizability.NonLocalizedStringChecker,
+         clang-analyzer-optin.performance.GCDAntipattern,
+         clang-analyzer-optin.performance.Padding,
+         clang-analyzer-optin.portability.UnixAPI,
+         clang-analyzer-osx.API,
+         clang-analyzer-osx.MIG,
+         clang-analyzer-osx.NSOrCFErrorDerefChecker,
+         clang-analyzer-osx.NumberObjectConversion,
+         clang-analyzer-osx.OSObjectRetainCount,
+         clang-analyzer-osx.ObjCProperty,
+         clang-analyzer-osx.SecKeychainAPI,
+         clang-analyzer-osx.cocoa.AtSync,
+         clang-analyzer-osx.cocoa.AutoreleaseWrite,
+         clang-analyzer-osx.cocoa.ClassRelease,
+         clang-analyzer-osx.cocoa.Dealloc,
+         clang-analyzer-osx.cocoa.IncompatibleMethodTypes,
+         clang-analyzer-osx.cocoa.Loops,
+         clang-analyzer-osx.cocoa.MissingSuperCall,
+         clang-analyzer-osx.cocoa.NSAutoreleasePool,
+         clang-analyzer-osx.cocoa.NSError,
+         clang-analyzer-osx.cocoa.NilArg,
+         clang-analyzer-osx.cocoa.NonNilReturnValue,
+         clang-analyzer-osx.cocoa.ObjCGenerics,
+         clang-analyzer-osx.cocoa.RetainCount,
+         clang-analyzer-osx.cocoa.RetainCountBase,
+         clang-analyzer-osx.cocoa.RunLoopAutoreleaseLeak,
+         clang-analyzer-osx.cocoa.SelfInit,
+         clang-analyzer-osx.cocoa.SuperDealloc,
+         clang-analyzer-osx.cocoa.UnusedIvars,
+         clang-analyzer-osx.cocoa.VariadicMethodTypes,
+         clang-analyzer-osx.coreFoundation.CFError,
+         clang-analyzer-osx.coreFoundation.CFNumber,
+         clang-analyzer-osx.coreFoundation.CFRetainRelease,
+         clang-analyzer-osx.coreFoundation.containers.OutOfBounds,
+         clang-analyzer-osx.coreFoundation.containers.PointerSizedValues,
+         clang-analyzer-security.FloatLoopCounter,
+         clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
+         clang-analyzer-security.insecureAPI.SecuritySyntaxChecker,
+         clang-analyzer-security.insecureAPI.UncheckedReturn,
+         clang-analyzer-security.insecureAPI.bcmp,
+         clang-analyzer-security.insecureAPI.bcopy,
+         clang-analyzer-security.insecureAPI.bzero,
+         clang-analyzer-security.insecureAPI.decodeValueOfObjCType,
+         clang-analyzer-security.insecureAPI.getpw,
+         clang-analyzer-security.insecureAPI.gets,
+         clang-analyzer-security.insecureAPI.mkstemp,
+         clang-analyzer-security.insecureAPI.mktemp,
+         clang-analyzer-security.insecureAPI.rand,
+         clang-analyzer-security.insecureAPI.strcpy,
+         clang-analyzer-security.insecureAPI.vfork,
+         clang-analyzer-unix.API,
+         clang-analyzer-unix.DynamicMemoryModeling,
+         clang-analyzer-unix.Malloc,
+         clang-analyzer-unix.MallocSizeof,
+         clang-analyzer-unix.MismatchedDeallocator,
+         clang-analyzer-unix.Vfork,
+         clang-analyzer-unix.cstring.BadSizeArg,
+         clang-analyzer-unix.cstring.CStringModeling,
+         clang-analyzer-unix.cstring.NullArg,
+         clang-analyzer-valist.CopyToSelf,
+         clang-analyzer-valist.Uninitialized,
+         clang-analyzer-valist.Unterminated,
+         clang-analyzer-valist.ValistBase,
+         clang-analyzer-webkit.NoUncountedMemberChecker,
+         clang-analyzer-webkit.RefCntblBaseVirtualDtor,
+         clang-analyzer-webkit.UncountedLambdaCapturesChecker,
+
+################################################ Optional checks ################################################
+
+         #google-readability-todo,
+         #bugprone-argument-comment,
+         #bugprone-assert-side-effect,
+         #bugprone-bad-signal-to-kill-thread,
+         #bugprone-bool-pointer-implicit-conversion,
+         #bugprone-branch-clone,
+         #bugprone-copy-constructor-init,
+         #bugprone-dangling-handle,
+         #bugprone-dynamic-static-initializers,
+         #bugprone-easily-swappable-parameters,
+         #bugprone-exception-escape,
+         #bugprone-fold-init-type,
+         #bugprone-forward-declaration-namespace,
+         #bugprone-forwarding-reference-overload,
+         #bugprone-implicit-widening-of-multiplication-result,
+         #bugprone-inaccurate-erase,
+         #bugprone-incorrect-roundings,
+         #bugprone-infinite-loop,
+         #bugprone-integer-division,
+         #bugprone-lambda-function-name,
+         #bugprone-macro-parentheses,
+         #bugprone-macro-repeated-side-effects,
+         #bugprone-misplaced-operator-in-strlen-in-alloc,
+         #bugprone-misplaced-pointer-arithmetic-in-alloc,
+         #bugprone-misplaced-widening-cast,
+         #bugprone-move-forwarding-reference,
+         #bugprone-multiple-statement-macro,
+         #bugprone-narrowing-conversions,
+         #bugprone-no-escape,
+         #bugprone-not-null-terminated-result,
+         #bugprone-parent-virtual-call,
+         #bugprone-posix-return,
+         #bugprone-redundant-branch-condition,
+         #bugprone-reserved-identifier,
+         #bugprone-signal-handler,
+         #bugprone-signed-char-misuse,
+         #bugprone-sizeof-container,
+         #bugprone-sizeof-expression,
+         #bugprone-spuriously-wake-up-functions,
+         #bugprone-string-constructor,
+         #bugprone-string-integer-assignment,
+         #bugprone-string-literal-with-embedded-nul,
+         #bugprone-stringview-nullptr,
+         #bugprone-suspicious-enum-usage,
+         #bugprone-suspicious-include,
+         #bugprone-suspicious-memory-comparison,
+         #bugprone-suspicious-memset-usage,
+         #bugprone-suspicious-missing-comma,
+         #bugprone-suspicious-semicolon,
+         #bugprone-suspicious-string-compare,
+         #bugprone-swapped-arguments,
+         #bugprone-terminating-continue,
+         #bugprone-throw-keyword-missing,
+         #bugprone-too-small-loop-variable,
+         #bugprone-undefined-memory-manipulation,
+         #bugprone-undelegated-constructor,
+         #bugprone-unhandled-exception-at-new,
+         #bugprone-unhandled-self-assignment,
+         #bugprone-unused-raii,
+         #bugprone-unused-return-value,
+         #bugprone-use-after-move,
+         #bugprone-virtual-near-miss,
+         #cppcoreguidelines-avoid-c-arrays,
+         #cppcoreguidelines-avoid-goto,
+         #cppcoreguidelines-avoid-magic-numbers,
+         #cppcoreguidelines-avoid-non-const-global-variables,
+         #cppcoreguidelines-c-copy-assignment-signature,
+         #cppcoreguidelines-explicit-virtual-functions,
+         #cppcoreguidelines-init-variables,
+         #cppcoreguidelines-interfaces-global-init,
+         #cppcoreguidelines-macro-usage,
+         #cppcoreguidelines-narrowing-conversions,
+         #cppcoreguidelines-no-malloc,
+         #cppcoreguidelines-non-private-member-variables-in-classes,
+         #cppcoreguidelines-owning-memory,
+         #cppcoreguidelines-prefer-member-initializer,
+         #cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+         #cppcoreguidelines-pro-bounds-constant-array-index,
+         #cppcoreguidelines-pro-bounds-pointer-arithmetic,
+         #cppcoreguidelines-pro-type-const-cast,
+         #cppcoreguidelines-pro-type-cstyle-cast,
+         #cppcoreguidelines-pro-type-member-init,
+         #cppcoreguidelines-pro-type-reinterpret-cast,
+         #cppcoreguidelines-pro-type-static-cast-downcast,
+         #cppcoreguidelines-pro-type-union-access,
+         #cppcoreguidelines-pro-type-vararg,
+         #cppcoreguidelines-slicing,
+         #cppcoreguidelines-special-member-functions,
+         #cppcoreguidelines-virtual-class-destructor,
+         #hicpp-avoid-c-arrays,
+         #hicpp-avoid-goto,
+         #hicpp-braces-around-statements,
+         #hicpp-deprecated-headers,
+         #hicpp-exception-baseclass,
+         #hicpp-explicit-conversions,
+         #hicpp-function-size,
+         #hicpp-invalid-access-moved,
+         #hicpp-member-init,
+         #hicpp-move-const-arg,
+         #hicpp-multiway-paths-covered,
+         #hicpp-named-parameter,
+         #hicpp-new-delete-operators,
+         #hicpp-no-array-decay,
+         #hicpp-no-assembler,
+         #hicpp-no-malloc,
+         #hicpp-noexcept-move,
+         #hicpp-signed-bitwise,
+         #hicpp-special-member-functions,
+         #hicpp-static-assert,
+         #hicpp-undelegated-constructor,
+         #hicpp-uppercase-literal-suffix,
+         #hicpp-use-auto,
+         #hicpp-use-emplace,
+         #hicpp-use-equals-default,
+         #hicpp-use-equals-delete,
+         #hicpp-use-noexcept,
+         #hicpp-use-nullptr,
+         #hicpp-use-override,
+         #hicpp-vararg,
+         #modernize-avoid-bind,
+         #modernize-avoid-c-arrays,
+         #modernize-concat-nested-namespaces,
+         #modernize-deprecated-headers,
+         #modernize-deprecated-ios-base-aliases,
+         #modernize-loop-convert,
+         #modernize-make-shared,
+         #modernize-make-unique,
+         #modernize-pass-by-value,
+         #modernize-raw-string-literal,
+         #modernize-redundant-void-arg,
+         #modernize-replace-auto-ptr,
+         #modernize-replace-disallow-copy-and-assign-macro,
+         #modernize-replace-random-shuffle,
+         #modernize-return-braced-init-list,
+         #modernize-shrink-to-fit,
+         #modernize-unary-static-assert,
+         #modernize-use-auto,
+         #modernize-use-bool-literals,
+         #modernize-use-default-member-init,
+         #modernize-use-emplace,
+         #modernize-use-equals-default,
+         #modernize-use-equals-delete,
+         #modernize-use-nodiscard,
+         #modernize-use-noexcept,
+         #modernize-use-nullptr,
+         #modernize-use-override,
+         #modernize-use-trailing-return-type,
+         #modernize-use-transparent-functors,
+         #modernize-use-uncaught-exceptions,
+         #modernize-use-using,
+         #performance-faster-string-find,
+         #performance-for-range-copy,
+         #performance-implicit-conversion-in-loop,
+         #performance-inefficient-algorithm,
+         #performance-inefficient-string-concatenation,
+         #performance-inefficient-vector-operation,
+         #performance-move-const-arg,
+         #performance-move-constructor-init,
+         #performance-no-automatic-move,
+         #performance-no-int-to-ptr,
+         #performance-noexcept-move-constructor,
+         #performance-trivially-destructible,
+         #performance-type-promotion-in-math-fn,
+         #performance-unnecessary-copy-initialization,
+         #performance-unnecessary-value-param,
+         #portability-restrict-system-includes,
+         #portability-simd-intrinsics,
+         #readability-avoid-const-params-in-decls,
+         #readability-braces-around-statements,
+         #readability-const-return-type,
+         #readability-container-contains,
+         #readability-container-data-pointer,
+         #readability-container-size-empty,
+         #readability-convert-member-functions-to-static,
+         #readability-delete-null-pointer,
+         #readability-duplicate-include,
+         #readability-else-after-return,
+         #readability-function-cognitive-complexity,
+         #readability-function-size,
+         #readability-identifier-length,
+         #readability-identifier-naming,
+         #readability-implicit-bool-conversion,
+         #readability-inconsistent-declaration-parameter-name,
+         #readability-isolate-declaration,
+         #readability-magic-numbers,
+         #readability-make-member-function-const,
+         #readability-misleading-indentation,
+         #readability-misplaced-array-index,
+         #readability-named-parameter,
+         #readability-non-const-parameter,
+         #readability-qualified-auto,
+         #readability-redundant-access-specifiers,
+         #readability-redundant-control-flow,
+         #readability-redundant-declaration,
+         #readability-redundant-function-ptr-dereference,
+         #readability-redundant-member-init,
+         #readability-redundant-preprocessor,
+         #readability-redundant-smartptr-get,
+         #readability-redundant-string-cstr,
+         #readability-redundant-string-init,
+         #readability-simplify-boolean-expr,
+         #readability-simplify-subscript-expr,
+         #readability-static-accessed-through-instance,
+         #readability-static-definition-in-anonymous-namespace,
+         #readability-string-compare,
+         #readability-suspicious-call-argument,
+         #readability-uniqueptr-delete-release,
+         #readability-uppercase-literal-suffix,
+         #readability-use-anyofallof
+         "

third_party/flatbuffers/.editorconfig

@@ -5,3 +5,4 @@ root = true
 indent_style = space
 indent_size = 2
 insert_final_newline = true
+trim_trailing_whitespace = true

third_party/flatbuffers/.eslintrc.js

@@ -0,0 +1,13 @@
+/* eslint-env node */
+
+module.exports = {
+    root: true,
+    parser: '@typescript-eslint/parser',
+    plugins: [
+        '@typescript-eslint',
+    ],
+    extends: [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/recommended',
+    ]
+};

third_party/flatbuffers/.github/ISSUE_TEMPLATE.md

@@ -1,12 +0,0 @@
-Thank you for submitting an issue!
-
-Please make sure you include the names of the affected language(s), compiler version(s), operating system version(s), and FlatBuffers version(s) in your issue title.
-
-This helps us get the correct maintainers to look at your issue. Here are examples of good titles:
-
-- Crash when accessing FlatBuffer [C++, gcc 4.8, OS X, master]
-- Flatc converts a protobuf 'bytes' field to 'string' in fbs schema file [all languages, FlatBuffers 1.4]
-
-Include other details as appropriate.
-
-Thanks!