osrm-backend/routed-js/routed.js

#!/usr/bin/env node
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const fastify_1 = __importDefault(require("fastify"));
const OSRMWrapper_1 = require("./OSRMWrapper");
const yargs_1 = __importDefault(require("yargs/yargs"));
const schema_1 = require("./schema");
const MatchServiceHandler_1 = require("./MatchServiceHandler");
const NearestServiceHandler_1 = require("./NearestServiceHandler");
const RouteServiceHandler_1 = require("./RouteServiceHandler");
const TableServiceHandler_1 = require("./TableServiceHandler");
const TripServiceHandler_1 = require("./TripServiceHandler");
const Format_1 = require("./Format");
async function main() {
    const argv = await (0, yargs_1.default)(process.argv.slice(2)).options({
        ip: { type: 'string', default: '0.0.0.0', alias: 'i' },
        port: { type: 'number', default: 5000, alias: 'p' },
        threads: { type: 'number', alias: 't' },
        shared_memory: { type: 'boolean', alias: ['shared-memory', 's'] },
        mmap: { type: 'boolean', default: false, alias: ['m'] },
        algorithm: { choices: ['CH', 'CoreCH', 'MLD'], default: 'CH', alias: 'a' },
        dataset_name: { type: 'string', alias: 'dataset-name' },
        max_viaroute_size: { type: 'number', alias: 'max-viaroute-size', default: 500 },
        max_trip_size: { type: 'number', alias: 'max-trip-size', default: 100 },
        max_table_size: { type: 'number', alias: 'max-table-size', default: 100 },
        max_matching_size: { type: 'number', alias: 'max-matching-size', default: 100 },
        max_nearest_size: { type: 'number', alias: 'max-nearest-size', default: 100 },
        max_alternatives: { type: 'number', alias: 'max-alternatives', default: 3 },
        max_matching_radius: { type: 'number', alias: 'max-matching-radius', default: -1 },
        version: { alias: 'v' }
    })
        .help('h')
        .alias('h', 'help')
        .strict()
        .argv;
    if (argv.version) {
        process.stdout.write(`v${OSRMWrapper_1.version}\n`);
        return;
    }
    if (argv._.length == 0 && !argv.shared_memory) {
        // TODO: show usage
        return;
    }
    const osrm = new OSRMWrapper_1.OSRMWrapper({
        path: argv._[0],
        dataset_name: argv.dataset_name,
        algorithm: argv.algorithm,
        shared_memory: argv.shared_memory,
        mmap_memory: argv.mmap,
        max_viaroute_size: argv.max_viaroute_size,
        max_trip_size: argv.max_trip_size,
        max_table_size: argv.max_table_size,
        max_matching_size: argv.max_matching_size,
        max_nearest_size: argv.max_nearest_size,
        max_alternatives: argv.max_alternatives,
        max_matching_radius: argv.max_matching_size
    });
    const fastify = (0, fastify_1.default)({
        logger: true,
        maxParamLength: Number.MAX_SAFE_INTEGER,
        rewriteUrl: (req) => {
            // https://github.com/fastify/fastify/issues/2487
            return req.url.replace(/;/g, '%3B');
        },
        querystringParser: schema_1.parseQueryString
    });
    async function processRequest(handler, request, reply) {
        const { coordinatesAndFormat } = request.params;
        const query = request.query;
        try {
            const { format, coordinates } = (0, schema_1.parseCoordinatesAndFormat)(coordinatesAndFormat);
            switch (format) {
                case Format_1.Format.Json:
                    reply.type('application/json').code(200);
                    break;
                case Format_1.Format.Flatbuffers:
                    reply.type('application/x-flatbuffers;schema=osrm.engine.api.fbresult').code(200);
                    break;
            }
            const result = await handler.handle(coordinates, query, format);
            result['code'] = 'Ok';
            return result;
        }
        catch (e) {
            reply.code(400);
            // TODO: bindings do not return `message`, but put `code` into `message`
            return {
                code: e.message,
                message: e.message
            };
        }
    }
    fastify.get('/route/v1/:profile/:coordinatesAndFormat', { schema: schema_1.routeSchema }, async (request, reply) => {
        return processRequest(new RouteServiceHandler_1.RouteServiceHandler(osrm), request, reply);
    });
    fastify.get('/nearest/v1/:profile/:coordinatesAndFormat', { schema: schema_1.nearestSchema }, async (request, reply) => {
        return processRequest(new NearestServiceHandler_1.NearestServiceHandler(osrm), request, reply);
    });
    fastify.get('/table/v1/:profile/:coordinatesAndFormat', { schema: schema_1.tableSchema }, async (request, reply) => {
        return processRequest(new TableServiceHandler_1.TableServiceHandler(osrm), request, reply);
    });
    fastify.get('/match/v1/:profile/:coordinatesAndFormat', { schema: schema_1.matchSchema }, async (request, reply) => {
        return processRequest(new MatchServiceHandler_1.MatchServiceHandler(osrm), request, reply);
    });
    fastify.get('/trip/v1/:profile/:coordinatesAndFormat', { schema: schema_1.tripSchema }, async (request, reply) => {
        return processRequest(new TripServiceHandler_1.TripServiceHandler(osrm), request, reply);
    });
    fastify.get('/tile/v1/:profile/tile(:x,:y,:zoom).mvt', { schema: schema_1.tileSchema }, async (request, reply) => {
        const { x, y, zoom } = request.params;
        reply.type('application/x-protobuf').code(200);
        return osrm.tile([zoom, x, y]);
    });
    fastify.listen({ port: argv.port, host: argv.ip }, (err, address) => {
        if (err) {
            throw err;
        }
        process.stdout.write('running and waiting for requests\n');
    });
}
main();