72 lines
1.6 KiB
Ruby
72 lines
1.6 KiB
Ruby
require 'net/http'
|
|
|
|
DESTINATION_REACHED = 15 #OSRM instruction code
|
|
|
|
|
|
def request_route a,b
|
|
@query = "http://localhost:5000/viaroute?loc=#{a}&loc=#{b}&output=json&geomformat=cmp"
|
|
#log @query
|
|
uri = URI.parse @query
|
|
Net::HTTP.get_response uri
|
|
rescue Errno::ECONNREFUSED => e
|
|
raise "*** osrm-routed is not running."
|
|
rescue Timeout::Error
|
|
raise "*** osrm-routed did not respond."
|
|
end
|
|
|
|
def parse_response response
|
|
if response.code == "200" && response.body.empty? == false
|
|
json = JSON.parse response.body
|
|
if json['status'] == 0
|
|
route = way_list json['route_instructions']
|
|
if route.empty?
|
|
"Empty route: #{json['route_instructions']}"
|
|
else
|
|
"Route: #{route}"
|
|
end
|
|
elsif json['status'] == 207
|
|
"No route"
|
|
else
|
|
"Status: #{json['status']}"
|
|
end
|
|
else
|
|
"HTTP: #{response.code}"
|
|
end
|
|
end
|
|
|
|
def got_route? response
|
|
if response.code == "200" && !response.body.empty?
|
|
json = JSON.parse response.body
|
|
if json['status'] == 0
|
|
return way_list( json['route_instructions']).empty? == false
|
|
end
|
|
end
|
|
false
|
|
end
|
|
|
|
def route_status response
|
|
if response.code == "200" && !response.body.empty?
|
|
json = JSON.parse response.body
|
|
if json['status'] == 0
|
|
if way_list( json['route_instructions']).empty?
|
|
return 'Empty route'
|
|
else
|
|
return 'x'
|
|
end
|
|
elsif json['status'] == 207
|
|
''
|
|
else
|
|
"Status #{json['status']}"
|
|
end
|
|
else
|
|
"HTTP #{response.code}"
|
|
end
|
|
end
|
|
|
|
def way_list instructions
|
|
instructions.reject { |r| r[0].to_s=="#{DESTINATION_REACHED}" }.
|
|
map { |r| r[1] }.
|
|
map { |r| r=="" ? '""' : r }.
|
|
join(',')
|
|
end
|