/// <summary>
/// Tests routing from a serialized file.
/// </summary>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="lazy"></param>
/// <param name="testCount"></param>
public static void TestSerializedResolved(Stream stream, GeoCoordinateBox box, bool lazy = true, int testCount = 100)
{
var routingSerializer = new CHEdgeSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
CHRoutingTest.TestResolved(data, testCount, box);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void TestSerializedResolved(Stream stream, bool lazy = true, int testCount = 100)
{
var routingSerializer = new CHEdgeSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
CHRoutingTest.TestSerializedResolved(data, new GeoCoordinateBox(new GeoCoordinate(51.20190, 4.66540),
new GeoCoordinate(51.30720, 4.89820)), testCount);
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static RouterDataSource <CHEdgeData> TestSerialization(string name, string pbfFile)
{
var testFilePath = Path.Combine(
Path.GetDirectoryName(Assembly.GetEntryAssembly().Location),
"TestFiles", pbfFile);
//var testFilePath = @"/Users/xivk/work/OSM/bin/africa-latest.osm.pbf";
var testFile = new FileInfo(testFilePath);
var stream = testFile.OpenRead();
var source = new OsmSharp.Osm.Streams.Filters.OsmStreamFilterProgress();
source.RegisterSource(new PBFOsmStreamSource(stream));
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
Stream writeStream = testOutputFile.Open(FileMode.CreateNew, FileAccess.ReadWrite);
var performanceInfo = new PerformanceInfoConsumer("CHSerializerFlatFile.Serialize");
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var data = CHEdgeGraphOsmStreamTarget.Preprocess(
source, new TagsIndex(new MemoryMappedStream(new MemoryStream())),
new OsmRoutingInterpreter(), Vehicle.Car);
(data.Graph as DirectedGraph <CHEdgeData>).Compress(true);
//var graphCopy = new DirectedGraph<CHEdgeData>();
//graphCopy.CopyFrom(data);
//data = new RouterDataSource<CHEdgeData>(graphCopy, data.TagsIndex);
var metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeSerializer();
routingSerializer.Serialize(writeStream, data, metaData);
stream.Dispose();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("CHSerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
performanceInfo = new PerformanceInfoConsumer("CHSerializerFlatFile.Deserialize");
performanceInfo.Start();
performanceInfo.Report("Deserializing again...");
// open file again and read.
writeStream = testOutputFile.OpenRead();
var deserializedGraph = routingSerializer.Deserialize(writeStream, false);
performanceInfo.Stop();
return(data);
}
/// <summary>
/// Tests routing from a serialized file.
/// </summary>
/// <param name="stream"></param>
/// <param name="lazy"></param>
/// <param name="testCount"></param>
public static void TestSerialized(Stream stream, bool lazy = true, int testCount = 100)
{
var routingSerializer = new CHEdgeSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
//data.SortHilbert(1000);
//// copy.
//var graphCopy = new DirectedGraph<CHEdgeData>();
//graphCopy.CopyFrom(data);
//var dataCopy = new RouterDataSource<CHEdgeData>(graphCopy, data.TagsIndex);
CHRoutingTest.Test(data, testCount);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedRouting(string name, Stream stream,
GeoCoordinateBox box, int testCount)
{
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeSerializer();
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, false);
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
new OsmRoutingInterpreter());
CHSerializedRoutingTest.TestRouting(router, box, testCount);
}
/// <summary>
/// Tests routing between two points and the associated instructions.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="from"></param>
/// <param name="to"></param>
public static void TestSerializeRoutingInstrictions(string name, Stream stream,
GeoCoordinate from, GeoCoordinate to)
{
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("CHSerializedRouting");
performanceInfo.Start();
performanceInfo.Report("Routing & generating instructions...");
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeSerializer();
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, true);
var interpreter = new OsmRoutingInterpreter();
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
interpreter);
var fromPoint = router.Resolve(Vehicle.Car, from);
var toPoint = router.Resolve(Vehicle.Car, to);
var instructions = new List <Instruction>();
if (fromPoint != null && toPoint != null)
{
Route route = router.Calculate(Vehicle.Car, fromPoint, toPoint);
if (route != null)
{
instructions = InstructionGenerator.Generate(route, interpreter);
}
}
performanceInfo.Stop();
if (instructions.Count == 0)
{
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
"Routing unsuccesfull!");
}
else
{
foreach (Instruction instruction in instructions)
{
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
instruction.Text);
}
}
}
public void RoutingSerializationCHEdgeData()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// load the network.
var referenceNetwork = CHEdgeGraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString)), tagsIndex,
new OsmRoutingInterpreter(), Vehicle.Car);
// serialize network.
var routingSerializer = new CHEdgeSerializer();
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
using (var stream = new MemoryStream())
{
routingSerializer.Serialize(stream, referenceNetwork, metaData);
var network = routingSerializer.Deserialize(stream, out metaData);
// compare networks.
Assert.IsNotNull(network);
Assert.AreEqual(referenceNetwork.VertexCount, network.VertexCount);
for (uint vertex = 1; vertex < referenceNetwork.VertexCount; vertex++)
{
float referenceLatitude, referenceLongitude, latitude, longitude;
Assert.IsTrue(referenceNetwork.GetVertex(vertex, out referenceLatitude, out referenceLongitude));
Assert.IsTrue(network.GetVertex(vertex, out latitude, out longitude));
Assert.AreEqual(referenceLatitude, latitude);
Assert.AreEqual(referenceLongitude, longitude);
var referenceEdges = referenceNetwork.GetEdges(vertex).ToKeyValuePairsAndShapes();
var edges = network.GetEdges(vertex).ToKeyValuePairsAndShapes();
Assert.AreEqual(referenceEdges.Length, edges.Length);
for (int idx = 0; idx < referenceEdges.Length; idx++)
{
var referenceEdge = referenceEdges[idx];
// find the same edge in the new arcs.
var edge = edges.First((x) => { return x.Key == referenceEdges[idx].Key && x.Value.Key.Equals(referenceEdges[idx].Value.Key); });
Assert.AreEqual(referenceEdge.Key, edge.Key);
Assert.AreEqual(referenceEdge.Value.Key.Meta, edge.Value.Key.Meta);
Assert.AreEqual(referenceEdge.Value.Key.Value, edge.Value.Key.Value);
Assert.AreEqual(referenceEdge.Value.Key.Weight, edge.Value.Key.Weight);
Assert.AreEqual(referenceEdge.Value.Key.RepresentsNeighbourRelations, edge.Value.Key.RepresentsNeighbourRelations);
Assert.AreEqual(referenceEdge.Value.Key.Tags, edge.Value.Key.Tags);
var referenceCoordinates = referenceEdge.Value.Value;
var coordinates = edge.Value.Value;
if (referenceCoordinates == null)
{ // reference shape is null, shape is null.
Assert.IsNull(coordinates);
}
else
{ // reference shape is not null compare them.
Assert.IsNotNull(coordinates);
referenceCoordinates.Reset();
coordinates.Reset();
while (referenceCoordinates.MoveNext())
{
Assert.IsTrue(coordinates.MoveNext());
Assert.AreEqual(referenceCoordinates.Latitude, coordinates.Latitude);
Assert.AreEqual(referenceCoordinates.Longitude, coordinates.Longitude);
}
Assert.IsFalse(coordinates.MoveNext());
}
// check tags.
if (!referenceEdge.Value.Key.IsContracted)
{
var referenceTags = referenceNetwork.TagsIndex.Get(referenceEdge.Value.Key.Tags);
var tags = network.TagsIndex.Get(edge.Value.Key.Tags);
if (referenceTags == null)
{ // other tags also have to be null.
Assert.IsNull(tags);
}
else
{ // contents need to be the same.
Assert.AreEqual(referenceTags.Count, tags.Count);
foreach (var referenceTag in referenceTags)
{
Assert.IsTrue(tags.ContainsKeyValue(referenceTag.Key, referenceTag.Value));
}
}
}
}
}
}
}
public void RoutingSerializationCHEdgeData()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// load the network.
var referenceNetwork = CHEdgeGraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString)), tagsIndex,
new OsmRoutingInterpreter(), Vehicle.Car);
// serialize network.
var routingSerializer = new CHEdgeSerializer();
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
using (var stream = new MemoryStream())
{
routingSerializer.Serialize(stream, referenceNetwork, metaData);
var network = routingSerializer.Deserialize(stream, out metaData);
// compare networks.
Assert.IsNotNull(network);
Assert.AreEqual(referenceNetwork.VertexCount, network.VertexCount);
for (uint vertex = 1; vertex < referenceNetwork.VertexCount; vertex++)
{
float referenceLatitude, referenceLongitude, latitude, longitude;
Assert.IsTrue(referenceNetwork.GetVertex(vertex, out referenceLatitude, out referenceLongitude));
Assert.IsTrue(network.GetVertex(vertex, out latitude, out longitude));
Assert.AreEqual(referenceLatitude, latitude);
Assert.AreEqual(referenceLongitude, longitude);
var referenceEdges = referenceNetwork.GetEdges(vertex).ToKeyValuePairsAndShapes();
var edges = network.GetEdges(vertex).ToKeyValuePairsAndShapes();
Assert.AreEqual(referenceEdges.Length, edges.Length);
for (int idx = 0; idx < referenceEdges.Length; idx++)
{
var referenceEdge = referenceEdges[idx];
// find the same edge in the new arcs.
var edge = edges.First((x) => { return(x.Key == referenceEdges[idx].Key && x.Value.Key.Equals(referenceEdges[idx].Value.Key)); });
Assert.AreEqual(referenceEdge.Key, edge.Key);
Assert.AreEqual(referenceEdge.Value.Key.Meta, edge.Value.Key.Meta);
Assert.AreEqual(referenceEdge.Value.Key.Value, edge.Value.Key.Value);
Assert.AreEqual(referenceEdge.Value.Key.Weight, edge.Value.Key.Weight);
Assert.AreEqual(referenceEdge.Value.Key.RepresentsNeighbourRelations, edge.Value.Key.RepresentsNeighbourRelations);
Assert.AreEqual(referenceEdge.Value.Key.Tags, edge.Value.Key.Tags);
var referenceCoordinates = referenceEdge.Value.Value;
var coordinates = edge.Value.Value;
if (referenceCoordinates == null)
{ // reference shape is null, shape is null.
Assert.IsNull(coordinates);
}
else
{ // reference shape is not null compare them.
Assert.IsNotNull(coordinates);
referenceCoordinates.Reset();
coordinates.Reset();
while (referenceCoordinates.MoveNext())
{
Assert.IsTrue(coordinates.MoveNext());
Assert.AreEqual(referenceCoordinates.Latitude, coordinates.Latitude);
Assert.AreEqual(referenceCoordinates.Longitude, coordinates.Longitude);
}
Assert.IsFalse(coordinates.MoveNext());
}
// check tags.
if (!referenceEdge.Value.Key.IsContracted)
{
var referenceTags = referenceNetwork.TagsIndex.Get(referenceEdge.Value.Key.Tags);
var tags = network.TagsIndex.Get(edge.Value.Key.Tags);
if (referenceTags == null)
{ // other tags also have to be null.
Assert.IsNull(tags);
}
else
{ // contents need to be the same.
Assert.AreEqual(referenceTags.Count, tags.Count);
foreach (var referenceTag in referenceTags)
{
Assert.IsTrue(tags.ContainsKeyValue(referenceTag.Key, referenceTag.Value));
}
}
}
}
}
}
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static RouterDataSource<CHEdgeData> TestSerialization(string name, string pbfFile)
{
var testFilePath = Path.Combine (
Path.GetDirectoryName(Assembly.GetEntryAssembly().Location),
"TestFiles", pbfFile);
//var testFilePath = @"/Users/xivk/work/OSM/bin/africa-latest.osm.pbf";
var testFile = new FileInfo(testFilePath);
var stream = testFile.OpenRead();
var source = new OsmSharp.Osm.Streams.Filters.OsmStreamFilterProgress();
source.RegisterSource(new PBFOsmStreamSource(stream));
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
Stream writeStream = testOutputFile.Open(FileMode.CreateNew, FileAccess.ReadWrite);
var performanceInfo = new PerformanceInfoConsumer("CHSerializerFlatFile.Serialize");
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var data = CHEdgeGraphOsmStreamTarget.Preprocess(
source, new TagsIndex(new MemoryMappedStream(new MemoryStream())),
new OsmRoutingInterpreter(), Vehicle.Car);
(data.Graph as DirectedGraph<CHEdgeData>).Compress(true);
//var graphCopy = new DirectedGraph<CHEdgeData>();
//graphCopy.CopyFrom(data);
//data = new RouterDataSource<CHEdgeData>(graphCopy, data.TagsIndex);
var metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeSerializer();
routingSerializer.Serialize(writeStream, data, metaData);
stream.Dispose();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("CHSerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
performanceInfo = new PerformanceInfoConsumer("CHSerializerFlatFile.Deserialize");
performanceInfo.Start();
performanceInfo.Report("Deserializing again...");
// open file again and read.
writeStream = testOutputFile.OpenRead();
var deserializedGraph = routingSerializer.Deserialize(writeStream, false);
performanceInfo.Stop();
return data;
}
/// <summary>
/// Tests routing from a serialized file.
/// </summary>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="lazy"></param>
/// <param name="testCount"></param>
public static void TestSerializedResolved(Stream stream, GeoCoordinateBox box, bool lazy = true, int testCount = 100)
{
var routingSerializer = new CHEdgeSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
CHRoutingTest.TestResolved(data, testCount, box);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void TestSerializedResolved(Stream stream, bool lazy = true, int testCount = 100)
{
var routingSerializer = new CHEdgeSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
CHRoutingTest.TestSerializedResolved(data, new GeoCoordinateBox(new GeoCoordinate(51.20190, 4.66540),
new GeoCoordinate(51.30720, 4.89820)), testCount);
}
/// <summary>
/// Tests routing from a serialized file.
/// </summary>
/// <param name="stream"></param>
/// <param name="lazy"></param>
/// <param name="testCount"></param>
public static void TestSerialized(Stream stream, bool lazy = true, int testCount = 100)
{
var routingSerializer = new CHEdgeSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
//data.SortHilbert(1000);
//// copy.
//var graphCopy = new DirectedGraph<CHEdgeData>();
//graphCopy.CopyFrom(data);
//var dataCopy = new RouterDataSource<CHEdgeData>(graphCopy, data.TagsIndex);
CHRoutingTest.Test(data, testCount);
}
/// <summary>
/// Loads a new instance.
/// </summary>
/// <param name="apiConfiguration"></param>
/// <param name="instanceConfiguration"></param>
/// <returns></returns>
private static bool LoadInstance(ApiConfiguration apiConfiguration, InstanceConfiguration instanceConfiguration)
{
try
{
// get graph configuration.
var graph = instanceConfiguration.Graph;
var type = instanceConfiguration.Type;
var format = instanceConfiguration.Format;
var vehicleName = instanceConfiguration.Vehicle;
try
{
// create routing instance.
OsmSharp.Logging.Log.TraceEvent("Bootstrapper", OsmSharp.Logging.TraceEventType.Information,
string.Format("Creating {0} instance...", instanceConfiguration.Name));
Router router = null;
RouterDataSource <Edge> data = null;
var graphFile = new FileInfo(graph);
switch (type)
{
case "raw":
switch (format)
{
case "osm-xml":
using (var graphStream = graphFile.OpenRead())
{
data = OsmSharp.Routing.Osm.Streams.GraphOsmStreamTarget.Preprocess(
new XmlOsmStreamSource(graphStream), new OsmRoutingInterpreter());
router = Router.CreateFrom(data, new OsmRoutingInterpreter());
}
break;
case "osm-pbf":
using (var graphStream = graphFile.OpenRead())
{
data = OsmSharp.Routing.Osm.Streams.GraphOsmStreamTarget.Preprocess(
new PBFOsmStreamSource(graphStream), new OsmRoutingInterpreter());
router = Router.CreateFrom(data, new OsmRoutingInterpreter());
}
break;
default:
throw new Exception(string.Format("Invalid format {0} for type {1}.",
format, type));
}
break;
case "contracted":
// check for GTFS-feeds and give warning if they are there.
if (instanceConfiguration.Feeds != null && instanceConfiguration.Feeds.Count > 0)
{ // ... oeps a feed and a contracted network are not supported for now.
OsmSharp.Logging.Log.TraceEvent("ApiBootstrapper", OsmSharp.Logging.TraceEventType.Warning,
"NotSupported: GTFS and contracted graphs cannot (yet) be combined.");
}
switch (format)
{
case "osm-xml":
if (string.IsNullOrWhiteSpace(vehicleName))
{ // invalid configuration.
throw new Exception("Invalid configuration, a vehicle type is required when building contracted graphs on-the-fly.");
}
using (var graphStream = graphFile.OpenRead())
{
var graphSource = new XmlOsmStreamSource(graphStream);
router = Router.CreateCHFrom(graphSource, new OsmRoutingInterpreter(), Vehicle.GetByUniqueName(vehicleName));
}
break;
case "osm-pbf":
if (string.IsNullOrWhiteSpace(vehicleName))
{ // invalid configuration.
throw new Exception("Invalid configuration, a vehicle type is required when building contracted graphs on-the-fly.");
}
using (var graphStream = graphFile.OpenRead())
{
var graphSource = new PBFOsmStreamSource(graphStream);
router = Router.CreateCHFrom(graphSource, new OsmRoutingInterpreter(), Vehicle.GetByUniqueName(vehicleName));
}
break;
case "flat":
var mobileRoutingSerializer = new CHEdgeSerializer();
// keep this stream open, it is used while routing!
var mobileGraphInstance = mobileRoutingSerializer.Deserialize(graphFile.OpenRead(), false);
router = Router.CreateCHFrom(mobileGraphInstance, new CHRouter(), new OsmRoutingInterpreter());
break;
default:
throw new Exception(string.Format("Invalid format {0} for type {1}.",
format, type));
}
break;
case "simple":
switch (format)
{
case "flat":
using (var graphStream = graphFile.OpenRead())
{
var routingSerializer = new RoutingDataSourceSerializer();
data = routingSerializer.Deserialize(graphStream);
router = Router.CreateFrom(data, new Dykstra(), new OsmRoutingInterpreter());
}
break;
default:
throw new Exception(string.Format("Invalid format {0} for type {1}.",
format, type));
}
break;
}
if (instanceConfiguration.Feeds != null && instanceConfiguration.Feeds.Count > 0)
{ // transit-data use the transit-api.
if (instanceConfiguration.Feeds.Count > 1)
{ // for now only one feed at a time is supported.
OsmSharp.Logging.Log.TraceEvent("ApiBootstrapper", OsmSharp.Logging.TraceEventType.Warning,
"NotSupported: Only one GTFS-feed at a time is supported.");
}
var feed = instanceConfiguration.Feeds[0];
var reader = new GTFSReader <GTFSFeed>(false);
var gtfsFeed = reader.Read <GTFSFeed>(new GTFSDirectorySource(feed.Path));
var connectionsDb = new GTFSConnectionsDb(gtfsFeed);
var multimodalConnectionsDb = new MultimodalConnectionsDb(data, connectionsDb,
new OsmRoutingInterpreter(), Vehicle.Pedestrian);
lock (_sync)
{
OsmSharp.Service.Routing.ApiBootstrapper.AddOrUpdate(instanceConfiguration.Name,
new MultimodalApi(multimodalConnectionsDb));
}
}
else
{ // no transit-data just use the regular routing api implementation.
lock (_sync)
{
OsmSharp.Service.Routing.ApiBootstrapper.AddOrUpdate(instanceConfiguration.Name, router);
}
}
OsmSharp.Logging.Log.TraceEvent("Bootstrapper", OsmSharp.Logging.TraceEventType.Information,
string.Format("Instance {0} created successfully!", instanceConfiguration.Name));
}
catch (Exception ex)
{
OsmSharp.Logging.Log.TraceEvent("Bootstrapper", OsmSharp.Logging.TraceEventType.Error,
string.Format("Exception occured while creating instance {0}:{1}",
instanceConfiguration.Name, ex.ToInvariantString()));
throw;
}
return(true);
}
catch
{
return(false);
}
}
/// <summary>
/// Loads a new instance.
/// </summary>
/// <param name="apiConfiguration"></param>
/// <param name="instanceConfiguration"></param>
/// <returns></returns>
private static bool LoadInstance(ApiConfiguration apiConfiguration, InstanceConfiguration instanceConfiguration)
{
try
{
// get graph configuration.
var graph = instanceConfiguration.Graph;
var type = instanceConfiguration.Type;
var format = instanceConfiguration.Format;
var vehicleName = instanceConfiguration.Vehicle;
try
{
// create routing instance.
OsmSharp.Logging.Log.TraceEvent("Bootstrapper", OsmSharp.Logging.TraceEventType.Information,
string.Format("Creating {0} instance...", instanceConfiguration.Name));
Router router = null;
RouterDataSource<Edge> data = null;
var graphFile = new FileInfo(graph);
switch (type)
{
case "raw":
switch (format)
{
case "osm-xml":
using(var graphStream = graphFile.OpenRead())
{
data = OsmSharp.Routing.Osm.Streams.GraphOsmStreamTarget.Preprocess(
new XmlOsmStreamSource(graphStream), new OsmRoutingInterpreter());
router = Router.CreateFrom(data, new OsmRoutingInterpreter());
}
break;
case "osm-pbf":
using (var graphStream = graphFile.OpenRead())
{
data = OsmSharp.Routing.Osm.Streams.GraphOsmStreamTarget.Preprocess(
new PBFOsmStreamSource(graphStream), new OsmRoutingInterpreter());
router = Router.CreateFrom(data, new OsmRoutingInterpreter());
}
break;
default:
throw new Exception(string.Format("Invalid format {0} for type {1}.",
format, type));
}
break;
case "contracted":
// check for GTFS-feeds and give warning if they are there.
if(instanceConfiguration.Feeds != null && instanceConfiguration.Feeds.Count > 0)
{ // ... oeps a feed and a contracted network are not supported for now.
OsmSharp.Logging.Log.TraceEvent("ApiBootstrapper", OsmSharp.Logging.TraceEventType.Warning,
"NotSupported: GTFS and contracted graphs cannot (yet) be combined.");
}
switch(format)
{
case "osm-xml":
if (string.IsNullOrWhiteSpace(vehicleName))
{ // invalid configuration.
throw new Exception("Invalid configuration, a vehicle type is required when building contracted graphs on-the-fly.");
}
using (var graphStream = graphFile.OpenRead())
{
var graphSource = new XmlOsmStreamSource(graphStream);
router = Router.CreateCHFrom(graphSource, new OsmRoutingInterpreter(), Vehicle.GetByUniqueName(vehicleName));
}
break;
case "osm-pbf":
if (string.IsNullOrWhiteSpace(vehicleName))
{ // invalid configuration.
throw new Exception("Invalid configuration, a vehicle type is required when building contracted graphs on-the-fly.");
}
using (var graphStream = graphFile.OpenRead())
{
var graphSource = new PBFOsmStreamSource(graphStream);
router = Router.CreateCHFrom(graphSource, new OsmRoutingInterpreter(), Vehicle.GetByUniqueName(vehicleName));
}
break;
case "flat":
var mobileRoutingSerializer = new CHEdgeSerializer();
// keep this stream open, it is used while routing!
var mobileGraphInstance = mobileRoutingSerializer.Deserialize(graphFile.OpenRead());
router = Router.CreateCHFrom(mobileGraphInstance, new CHRouter(), new OsmRoutingInterpreter());
break;
default:
throw new Exception(string.Format("Invalid format {0} for type {1}.",
format, type));
}
break;
case "simple":
switch (format)
{
case "flat":
using (var graphStream = graphFile.OpenRead())
{
var routingSerializer = new RoutingDataSourceSerializer();
data = routingSerializer.Deserialize(graphStream);
router = Router.CreateFrom(data, new Dykstra(), new OsmRoutingInterpreter());
}
break;
default:
throw new Exception(string.Format("Invalid format {0} for type {1}.",
format, type));
}
break;
}
if(instanceConfiguration.Feeds != null && instanceConfiguration.Feeds.Count > 0)
{ // transit-data use the transit-api.
if(instanceConfiguration.Feeds.Count > 1)
{ // for now only one feed at a time is supported.
OsmSharp.Logging.Log.TraceEvent("ApiBootstrapper", OsmSharp.Logging.TraceEventType.Warning,
"NotSupported: Only one GTFS-feed at a time is supported.");
}
var feed = instanceConfiguration.Feeds[0];
var reader = new GTFSReader<GTFSFeed>(false);
var gtfsFeed = reader.Read<GTFSFeed>(new GTFSDirectorySource(feed.Path));
var connectionsDb = new GTFSConnectionsDb(gtfsFeed);
var multimodalConnectionsDb = new MultimodalConnectionsDb(data, connectionsDb,
new OsmRoutingInterpreter(), Vehicle.Pedestrian);
lock (_sync)
{
OsmSharp.Service.Routing.ApiBootstrapper.AddOrUpdate(instanceConfiguration.Name,
new MultimodalApi(multimodalConnectionsDb));
}
}
else
{ // no transit-data just use the regular routing api implementation.
lock (_sync)
{
OsmSharp.Service.Routing.ApiBootstrapper.AddOrUpdate(instanceConfiguration.Name, router);
}
}
OsmSharp.Logging.Log.TraceEvent("Bootstrapper", OsmSharp.Logging.TraceEventType.Information,
string.Format("Instance {0} created successfully!", instanceConfiguration.Name));
}
catch(Exception ex)
{
OsmSharp.Logging.Log.TraceEvent("Bootstrapper", OsmSharp.Logging.TraceEventType.Error,
string.Format("Exception occured while creating instance {0}:{1}",
instanceConfiguration.Name, ex.ToInvariantString()));
throw;
}
return true;
}
catch
{
return false;
}
}