public override void Dispose()
{
try
{
udpReceiver.Dispose();
subscriberUpdReceiver.Dispose();
}
catch (Exception)
{
}
}
private async Task <IObservable <IHttpRequestReponse> > GetUdpRequestResponseObservable(
int port,
ICommunicationInterface communicationInterface = null,
bool allowMultipleBindToSamePort = false)
{
IUdpSocketReceiver udpListener = new UdpSocketReceiver();
var observeUdpRequest = await udpListener.ObservableUnicastListener(
port,
communicationInterface,
allowMultipleBindToSamePort);
var observable = Observable.Create <IHttpRequestReponse>(
obs =>
{
var disp = observeUdpRequest.Subscribe(
udpSocket =>
{
var stream = new MemoryStream(udpSocket.ByteData);
var requestHandler = new HttpParserDelegate
{
HttpRequestReponse =
{
RemoteAddress = udpSocket.RemoteAddress,
RemotePort = int.Parse(udpSocket.RemotePort),
RequestType = RequestType.UDP
}
};
var result = _httpStreamParser.Parse(requestHandler, stream, Timeout);
obs.OnNext(result);
},
ex =>
{
Cleanup();
obs.OnError(ex);
},
() =>
{
Cleanup();
obs.OnCompleted();
});
return(disp);
void Cleanup()
{
_udpReceiverPortToObservable.Remove(port);
udpListener.Dispose();
}
});
return(observable);
}
//destory connection
public void Dispose()
{
listenerUDP?.Dispose();
listenerTCP.Dispose();
}
async public static Task <ServerList> BrowseForNoahServers(string friendlyName, string ipAddress)
{
var client = new UdpSocketClient();
var receiver = new UdpSocketReceiver();
try
{
var address = GetIpAddressForBroadcast(ipAddress);
//// convert our greeting message into a byte array
string clientGUID = "{B0BE0E7D-F70B-40BE-91AB-14125863B0B7}";
System.Text.Encoding enc = System.Text.Encoding.UTF8;
byte[] sendBuffer = enc.GetBytes(clientGUID);
receiver.MessageReceived += (sender, args) =>
{
try
{
var from = String.Format("{0}:{1}", args.RemoteAddress, args.RemotePort);
var fromIp = args.RemoteAddress;
var data = Encoding.UTF8.GetString(args.ByteData, 0, args.ByteData.Length);
try
{
LocalRemoteHostInfo payload =
Helpers.Deserialize <LocalRemoteHostInfo>(Encoding.UTF8.GetString(args.ByteData, 0,
args.ByteData.Length));
string guid = payload.LocalNoahServerGuid;
if (guid.Equals("{5FE140D5-1D3F-4E46-8892-15FA89DAE9F4}"))
{
bool duplicate = false;
foreach (ServerData servData in ServerCollection)
{
if (servData.ServerIp.Equals(fromIp))
{
duplicate = true; //The adress is allready in the list
break;
}
}
if (duplicate == false) //No need to list Gatteway IP
{
if (string.IsNullOrEmpty(friendlyName))
{
ServerCollection.Add(new ServerData
{
ServerName = payload.HostName,
FriendlyName = payload.FriendlyName,
ServerIp = payload.LocalHostIpAddress,
RemoteHostId = payload.RemoteHostId
});
}
else
{
if (friendlyName == payload.FriendlyName)
{
receiver.StopListeningAsync();
ServerCollection.Add(new ServerData
{
ServerName = payload.HostName,
FriendlyName = payload.FriendlyName,
ServerIp = payload.LocalHostIpAddress,
RemoteHostId = payload.RemoteHostId
});
//client.Dispose();
//receiver.Dispose();
waitTime = false;
}
}
}
}
}
catch { }
}
catch { }
};
try
{
receiver.StartListeningAsync(listenPort);
}
catch (Exception e)
{
}
client.ConnectAsync(address, port);
client.SendAsync(sendBuffer);
DateTime now = DateTime.Now;
DateTime stop = now + new TimeSpan(0, 0, 0, 5);
while (waitTime)
{
if (DateTime.Now > stop)
{
waitTime = false;
}
}
}
catch (Exception e)
{
Log.ErrorFormat("Himsa.Noah.MobileAccessLayer.NoahServerUdpBrowser::BrowseForNoahServers(): {0}", e);
throw;
}
finally
{
client.DisconnectAsync();
receiver.StopListeningAsync();
receiver.Dispose();
}
return(new ServerList
{
Servers = ServerCollection.ToArray()
});
}