public bool sendAndReceive(ref NetMQ.Msg req_msg, ref NetMQ.Msg resp_msg)
{
if (socket == null)
{
reconnect();
}
StdMessage m = new StdMessage(req_msg.Data[1], req_msg.Data[2]);
NetMQ.Msg copy = new NetMQ.Msg();
bool ok = false;
for (uint i = 0; i < retries; i++)
{
copy.Copy(ref req_msg);
// send
if (!socket.TrySend(ref copy, TimeSpan.FromMilliseconds(min_trysend_ms), false))
{
ok = false;
UnityEngine.Debug.Log("ReliableExternalClient: could not send");
break;
//TODO: clear enqueued messages when server is offline
}
//UnityEngine.Debug.Log("ReliableExternalClient: request sent " + m.to_string());
// receive
if (socket.TryReceive(ref resp_msg, timeout))
{
ok = true;
// UnityEngine.Debug.Log("ReliableExternalClient: response received "
//+ new StdMessage(resp_msg.Data[1], resp_msg.Data[2]).to_string());
break;
}
//UnityEngine.Debug.Log(String.Format("ReliableExternalClient: no response from server {0}. Retrying", srvAddress));
reconnect();
}
if (!ok)
{
UnityEngine.Debug.Log(String.Format("ReliableExternalClient: server {0} seems to be offline. Abandoning", srvAddress));
}
copy.Close();
socket.Dispose(); //call Dispose on all sockets before cleanup the netmq context
socket.Close();
socket = null;
if (socket == null)
{
UnityEngine.Debug.Log("ReliableExternalClient: socket closed and null");
}
return(ok);
}
public IMessage ReceiveMessage(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
var frames = new List <byte[]>();
var msg = new Msg();
msg.InitEmpty();
try
{
do
{
if (socket.TryReceive(ref msg, ReceiveWaitTimeout))
{
frames.Add(msg.Data);
}
} while (msg.HasMore);
if (frames.Count > 0)
{
ReceiveRate?.Increment();
return(Message.FromMultipartMessage(new MultipartMessage(frames)));
}
}
finally
{
msg.Close();
}
}
return(null);
}
public static NetworkMessageBase ReceiveNetworkMsg(this NetMQSocket socket, TimeSpan timeout)
{
var inMsg = new Msg();
inMsg.InitEmpty();
try
{
socket.TryReceive(ref inMsg, timeout);
}
catch (Exception)
{
return(null);
}
var str = inMsg.Size > 0
? Encoding.GetString(inMsg.Data, 0, inMsg.Size)
: string.Empty;
inMsg.Close();
if (!string.IsNullOrWhiteSpace(str))
{
Debug.WriteLine("[R <<<] " + str);
}
return(NetworkMessageCoding.Decode(str));
}
protected virtual void _Receive()
{
Msg msg = new Msg();
msg.InitEmpty();
bool result = false;
List <Msg> address_buffer = new List <Msg>();
do
{
result = socket.TryReceive(ref msg, TimeSpan.FromMilliseconds((int)time_out_read_ms)); //non-block-100hz
if (result && msg.HasMore == false && msg.Data.Length > 0)
{
Message packet = null;
using (System.IO.MemoryStream ms = new System.IO.MemoryStream(msg.Data))
{
packet = Serializer.Deserialize <Message>(ms);
}
if (packet != null)
{
bytes_receive.Bytes += (ulong)msg.Data.Length;
if (address_buffer.Count == 1)
{
//address buffer stored the router address; Router address has two parts, first is empty, second is the address
//So we select the second Msg of it
Msg m = address_buffer[0];
if (m.Data.Length > 0)
{
packet.header.zmq_router_address = m.Data;
}
}
reportData(packet);
}
else
{
reportLog("Ivalid packet", LogType.ERROR, section);
}
}
else if (result && msg.HasMore)
{
address_buffer.Add(msg);
}
} while (result && msg.HasMore);
}
