public int Receive(byte[] buffer, int flags) { if (LibZmq.zmq_msg_init_size(_message, buffer.Length) == -1) { return(-1); } int bytesReceived = RetryIfInterrupted(() => LibZmq.zmq_recvmsg(SocketHandle, _message, flags)); if (bytesReceived == 0 && LibZmq.MajorVersion < 3) { // 0MQ 2.x does not return number of bytes received bytesReceived = LibZmq.zmq_msg_size(_message); } if (bytesReceived > 0) { Marshal.Copy(LibZmq.zmq_msg_data(_message), buffer, 0, bytesReceived); } if (LibZmq.zmq_msg_close(_message) == -1) { return(-1); } return(bytesReceived); }
public int Forward(IntPtr destinationHandle) { if (LibZmq.zmq_msg_init(_message) == -1) { return(-1); } int receiveMore; int bytesSent; do { if (LibZmq.zmq_recvmsg(SocketHandle, _message, 0) == -1) { return(-1); } if (GetReceiveMore(out receiveMore) == -1) { return(-1); } if ((bytesSent = LibZmq.zmq_sendmsg(destinationHandle, _message, receiveMore == 1 ? (int)SocketFlags.SendMore : 0)) == -1) { return(-1); } }while (receiveMore == 1); if (LibZmq.zmq_msg_close(_message) == -1) { return(-1); } return(bytesSent); }
public byte[] Receive(byte[] buffer, int flags, out int size) { size = -1; if (LibZmq.zmq_msg_init(_message) == -1) { return(buffer); } int bytesReceived = RetryIfInterrupted(() => LibZmq.zmq_recvmsg(SocketHandle, _message, flags)); if (bytesReceived >= 0) { if (bytesReceived == 0 && LibZmq.MajorVersion < 3) { // 0MQ 2.x does not return number of bytes received bytesReceived = LibZmq.zmq_msg_size(_message); } size = bytesReceived; if (buffer == null || size > buffer.Length) { buffer = new byte[size]; } Marshal.Copy(LibZmq.zmq_msg_data(_message), buffer, 0, size); } if (LibZmq.zmq_msg_close(_message) == -1) { size = -1; } return(buffer); }