public static void Execute()
{
Console.WriteLine("Executing ReqRep test");
const string inprocAddress = "inproc://reqrep_test";
byte[] buffer1;
byte[] buffer2;
var clientThread = new Thread(
() => {
var req = NN.Socket(Domain.SP, Protocol.REQ);
NN.Connect(req, inprocAddress);
NN.Send(req, BitConverter.GetBytes((int)42), SendRecvFlags.NONE);
NN.Recv(req, out buffer1, SendRecvFlags.NONE);
Debug.Assert(BitConverter.ToInt32(buffer1, 0) == 77);
});
clientThread.Start();
var rep = NN.Socket(Domain.SP, Protocol.REP);
NN.Bind(rep, inprocAddress);
NN.Recv(rep, out buffer2, SendRecvFlags.NONE);
Debug.Assert(BitConverter.ToInt32(buffer2, 0) == 42);
NN.Send(rep, BitConverter.GetBytes((int)77), SendRecvFlags.NONE);
// TODO: Test connection of multiple REQ clients to a single REP server.
}
//public override void SendMore(byte[] envelope)
//{
// NN.Send(this.innerSocket.SocketID, envelope, SendRecvFlags.DONTWAIT);
// //this.innerSocket.SendMore(envelope);
//}
//public override void Send(byte[] data)
//{
// NN.Send(this.innerSocket.SocketID, data, SendRecvFlags.DONTWAIT);
// //this.innerSocket.Send(data);
//}
//public override byte[] Receive()
//{
// byte[] data;
// NN.Recv(this.innerSocket.SocketID, out data, SendRecvFlags.NONE);
// return data;
// //return this.innerSocket.Receive();
//}
public override void Send(byte[] envelope, byte[] data)
{
byte[] tnSnd = envelope.Concat(Global.NANOMSG_SPLITTER).Concat(data).ToArray();
NN.Send(this.innerSocket.SocketID, tnSnd, SendRecvFlags.NONE);
//this.innerSocket.SendMore(envelope);
//this.innerSocket.Send(data);
}
public void Dispose()
{
NN.SetSockOpt(_connection.Socket, SocketOption.SNDTIMEO, (int)_connection.ConnectionTimeout.TotalMilliseconds);
var rc = NN.Send(_connection.Socket, MemoryStream.ToArray(), SendRecvFlags.NONE);
if (rc < 0)
{
throw new NanoNetworkCommandException("Error sending request");
}
BinaryWriter.Close();
MemoryStream.Dispose();
}
public static void Request()
{
var req = NN.Socket(Domain.SP, Protocol.REQ);
NN.Connect(req, MessageQueueConstants.Address);
Debug.WriteLine("Request: Sending request");
NN.Send(req, Encoding.ASCII.GetBytes(MessageQueueConstants.RequestPayload), SendRecvFlags.NONE);
Debug.WriteLine("Request: Receiving reply");
byte[] replyPayload;
NN.Recv(req, out replyPayload, SendRecvFlags.NONE);
Assert.IsTrue(BitConverter.ToInt32(replyPayload, 0) == MessageQueueConstants.ReplyPayload);
}
public static void Execute()
{
Console.WriteLine("Executing Listener test");
const string inprocAddress = "tcp://127.0.0.1:6522";
const string unusedAddress = "tcp://127.0.0.1:6521";
byte[] buffer1;
byte[] buffer2;
var clientThread = new Thread(
() =>
{
var req1 = NN.Socket(Domain.SP, Protocol.REQ);
NN.Connect(req1, unusedAddress);
var req = NN.Socket(Domain.SP, Protocol.REQ);
NN.Connect(req, inprocAddress);
Thread.Sleep(TimeSpan.FromSeconds(3));
NN.Send(req, BitConverter.GetBytes((int)42), SendRecvFlags.NONE);
NN.Recv(req, out buffer1, SendRecvFlags.NONE);
Debug.Assert(BitConverter.ToInt32(buffer1, 0) == 77);
Console.WriteLine("Response: " + BitConverter.ToInt32(buffer1, 0));
});
clientThread.Start();
var unused = NN.Socket(Domain.SP, Protocol.REP);
NN.Bind(unused, unusedAddress);
var rep = NN.Socket(Domain.SP, Protocol.REP);
NN.Bind(rep, inprocAddress);
var listener = new NanomsgListener();
listener.AddSocket(unused);
listener.AddSocket(rep);
listener.ReceivedMessage += delegate(int s)
{
NN.Recv(s, out buffer2, SendRecvFlags.NONE);
Console.WriteLine("Message: " + BitConverter.ToInt32(buffer2, 0));
NN.Send(s, BitConverter.GetBytes((int)77), SendRecvFlags.NONE);
};
while (true)
{
listener.Listen(TimeSpan.FromMinutes(30));
}
}
public static void Response(CancellationToken cancelToken)
{
var rep = NN.Socket(Domain.SP, Protocol.REP);
NN.Bind(rep, MessageQueueConstants.Address);
while (!cancelToken.IsCancellationRequested)
{
byte[] payloadBytes;
NN.Recv(rep, out payloadBytes, SendRecvFlags.NONE);
Debug.WriteLine("Response: Received request");
var payload = Encoding.ASCII.GetString(payloadBytes);
Assert.IsTrue(payload.Equals(MessageQueueConstants.RequestPayload));
Debug.WriteLine("Response: Sending reply");
NN.Send(rep, BitConverter.GetBytes(MessageQueueConstants.ReplyPayload), SendRecvFlags.NONE);
}
}
public static int SetupServerSocketsFindPort(
int portRangeStart, int portRangeEnd, byte componentId,
Dictionary <byte, NetworkHandlerDelegate> handlers,
object debug_commandIdType,
TimeSpan commsTimeout,
LogMessageDelegate logMessage)
{
_listener.ReceivedMessage += delegate(int s)
{
byte component = 255;
byte command = 255;
try
{
byte[] data;
NN.SetSockOpt(s, SocketOption.RCVTIMEO, (int)commsTimeout.TotalMilliseconds);
NN.Recv(s, out data, SendRecvFlags.NONE);
if (data == null || data.Length == 0)
{
throw new Exception("received empty command.");
}
using (var msi = new MemoryStream(data))
using (var br = new BinaryReader(msi))
using (var mso = new MemoryStream())
using (var bw = new BinaryWriter(mso))
{
component = br.ReadByte();
if (component != componentId)
{
throw new Exception("Component with id " + componentId +
" errantly received a command for component " + component);
}
command = br.ReadByte();
if (debug_commandIdType != null)
{
logMessage(TraceLevel.Verbose, ">> " + Enum.GetName((Type)debug_commandIdType, command));
}
handlers[command](br, bw);
NN.SetSockOpt(s, SocketOption.SNDTIMEO, (int)commsTimeout.TotalMilliseconds);
var rc = NN.Send(s, mso.ToArray(), SendRecvFlags.NONE);
if (rc < 0)
{
if (debug_commandIdType != null)
{
logMessage(TraceLevel.Verbose, "!< ERROR sending reply: " + Enum.GetName((Type)debug_commandIdType, command));
}
else
{
logMessage(TraceLevel.Verbose, "!< ERROR sending reply, ignoring.");
}
}
else
{
if (debug_commandIdType != null)
{
logMessage(TraceLevel.Verbose, " < " + Enum.GetName((Type)debug_commandIdType, command));
}
}
}
}
catch (Exception e)
{
logMessage(TraceLevel.Error, "Error handling command [component id: " + component + "] [command id: " + command + "]: " + Utils.UnrolledExceptionMessage(e));
}
};
var socket = NN.Socket(Domain.SP, Protocol.REP);
NN.SetSockOpt(socket, SocketOption.SNDBUF, 5000000);
NN.SetSockOpt(socket, SocketOption.RCVBUF, 5000000);
for (int portTry = portRangeStart; portTry <= portRangeEnd; ++portTry)
{
if (PortInUse(portTry))
{
continue;
}
try
{
var rc = NN.Bind(socket, "tcp://*:" + portTry);
if (rc < 0)
{
continue;
}
}
catch
{
Thread.ResetAbort();
continue;
}
_socketPorts.Add(socket, portTry);
_listener.AddSocket(socket);
return(portTry);
}
throw new Exception("no free ports available in range " + portRangeStart + " -> " + portRangeEnd);
}
public static void SetupServerSockets(
Dictionary <int, Dictionary <byte, NetworkHandlerDelegate> > handlers,
Dictionary <int, byte> interfaceIds,
Dictionary <int, object> debug_commandIdTypes,
TimeSpan commsTimeout,
LogMessageDelegate logMessage)
{
var ports = handlers.Keys.ToList();
// todo: assert all three dictionarys specify same port numbers.
_listener.ReceivedMessage += delegate(int s)
{
byte interfaceId = 255;
byte command = 255;
int port = -1;
try
{
byte[] data;
NN.SetSockOpt(s, SocketOption.RCVTIMEO, (int)commsTimeout.TotalMilliseconds);
NN.Recv(s, out data, SendRecvFlags.NONE);
if (data == null || data.Length == 0)
{
throw new Exception("data was ready to be received but wasn't. I don't expect this should happen.");
}
using (var msi = new MemoryStream(data))
using (var br = new BinaryReader(msi))
using (var mso = new MemoryStream())
using (var bw = new BinaryWriter(mso))
{
interfaceId = br.ReadByte();
command = br.ReadByte();
port = _socketPorts[s];
if (interfaceIds[port] != interfaceId)
{
throw new Exception("Component with id " + interfaceIds[port] +
" errantly received a command for component " + interfaceId);
}
if (debug_commandIdTypes[port] != null)
{
logMessage(TraceLevel.Verbose, ">> " + Enum.GetName((Type)debug_commandIdTypes[port], command));
}
handlers[port][command](br, bw);
NN.SetSockOpt(s, SocketOption.SNDTIMEO, (int)commsTimeout.TotalMilliseconds);
var rc = NN.Send(s, mso.ToArray(), SendRecvFlags.NONE);
if (rc < 0)
{
if (debug_commandIdTypes[port] != null)
{
logMessage(TraceLevel.Verbose, "!< ERROR sending reply: " +
Enum.GetName((Type)debug_commandIdTypes[port], command));
}
else
{
logMessage(TraceLevel.Verbose, "!< ERROR sending reply, ignoring.");
}
}
else
{
if (debug_commandIdTypes[port] != null)
{
logMessage(TraceLevel.Verbose, " < " + Enum.GetName((Type)debug_commandIdTypes[port], command));
}
}
}
}
catch (Exception e)
{
logMessage(TraceLevel.Error, "Error handling command [component id: " + interfaceId + "] [command id: " + command + "] [port " + port + "]: " + Utils.UnrolledExceptionMessage(e));
}
};
// Create the server socket on which to listen, bind them, and start listening.
for (int i = 0; i < ports.Count; ++i)
{
var socket = NN.Socket(Domain.SP, Protocol.REP);
NN.SetSockOpt(socket, SocketOption.SNDBUF, 5000000);
NN.SetSockOpt(socket, SocketOption.RCVBUF, 5000000);
NN.Bind(socket, "tcp://*:" + ports[i]);
_listener.AddSocket(socket);
_socketPorts.Add(socket, ports[i]);
}
}
