gistfile1.txt

using Newtonsoft.Json;
using OsmSharp.Math.Geo;
using OsmSharp.Routing;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;

namespace OsmSharp.Service.Client.PCL
{
    public static class RoutingFacade
    {
        public static Route Calculate(Vehicle vehicle, GeoCoordinate from, GeoCoordinate to)
        {
            var requestData = "{ " +
                    "\"Type\": \"Regular\", " +
                    "\"ReturnType\": \"Route\", " +
                    "\"Vehicle\": \"{vehicle}\", " +
                    "\"Hooks\": [ " +
                        "{ " +
                            "\"Id\": 1, " +
                            "\"Latitude\": {lat_from}, " +
                            "\"Longitude\": {lon_from}, " +
                            "\"Tags\": [ " +
                                "{ " +
                                "    \"Key\": \"key\", " +
                                "    \"Value\": \"value\" " +
                                "} " +
                            "] " +
                        "}, " +
                        "{ " +
                            "\"Id\": 2, " +
                            "\"Latitude\": {lat_to}, " +
                            "\"Longitude\": {lon_to}, " +
                            "\"Tags\": [ " +
                                "{ " +
                                "    \"Key\": \"key\", " +
                                "    \"Value\": \"value\" " +
                                "} " +
                            "] " +
                        "} " +
                    "] " +
                "} ";

            var httpWebRequest = (HttpWebRequest)WebRequest.Create("http://localhost:666/routing?format=json");
            httpWebRequest.ContentType = "text/json";
            httpWebRequest.Method = "POST";

            using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
            {
                var json = requestData.Replace("{vehicle}", vehicle.UniqueName).Replace("{lat_from}", from.Latitude.ToInvariantString()).Replace("{lon_from}", from.Longitude.ToInvariantString())
                    .Replace("{lat_to}", to.Latitude.ToInvariantString()).Replace("{lon_to}", to.Longitude.ToInvariantString());

                streamWriter.Write(json);
                streamWriter.Flush();

                var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
                string routeJSON = string.Empty;
                using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
                {
                    routeJSON=  streamReader.ReadToEnd();
                }
                return JsonConvert.DeserializeObject<Route>(routeJSON);
            }
        }
    }
}