public static async Task SendMultipartMessageAsync(
this IOutgoingSocket socket,
NetMQMessage message,
int?timeout = null,
int delay = 100)
{
int elapsed = 0;
while (!socket.TrySendMultipartMessage(message))
{
await Task.Delay(delay);
elapsed += 100;
if (elapsed > timeout)
{
throw new TimeoutException(
$"The operation exceeded the specified time[{timeout}].");
}
}
}
public static async Task SendMultipartMessageAsync(
this IOutgoingSocket socket,
NetMQMessage message,
TimeSpan?timeout = null,
TimeSpan?delay = null,
CancellationToken cancellationToken = default(CancellationToken))
{
TimeSpan delayNotNull = delay ?? TimeSpan.FromMilliseconds(100);
TimeSpan elapsed = TimeSpan.Zero;
while (!socket.TrySendMultipartMessage(message))
{
await Task.Delay(delayNotNull, cancellationToken);
elapsed += delayNotNull;
if (elapsed > timeout)
{
throw new TimeoutException(
$"The operation exceeded the specified time[{timeout}].");
}
}
}
/// <summary>
/// Send the ZreMsg to the socket.
/// Warning re WHISPER and SHOUT: The 0MQ spec http://rfc.zeromq.org/spec:36
/// says "message content defined as one 0MQ frame. ZRE does not support multi-frame message contents."
/// But this C# implementation allows multi-frame contents.
/// </summary>
public void Send(IOutgoingSocket output)
{
if (output is RouterSocket)
output.SendMoreFrame(RoutingId);
int frameSize = 2 + 1; // Signature and message ID
switch (Id)
{
case MessageId.Hello:
frameSize += Hello.GetFrameSize();
break;
case MessageId.Whisper:
frameSize += Whisper.GetFrameSize();
break;
case MessageId.Shout:
frameSize += Shout.GetFrameSize();
break;
case MessageId.Join:
frameSize += Join.GetFrameSize();
break;
case MessageId.Leave:
frameSize += Leave.GetFrameSize();
break;
case MessageId.Ping:
frameSize += Ping.GetFrameSize();
break;
case MessageId.PingOk:
frameSize += PingOk.GetFrameSize();
break;
}
// Now serialize message into the buffer
Msg msg = new Msg();
msg.InitPool(frameSize);
try
{
_offset = 0;
_buffer = msg.Data;
// put signature
PutNumber2(0xAAA0 | 1);
// put message id
PutNumber1((byte) Id);
switch (Id)
{
case MessageId.Hello:
Hello.Write(this);
break;
case MessageId.Whisper:
Whisper.Write(this);
break;
case MessageId.Shout:
Shout.Write(this);
break;
case MessageId.Join:
Join.Write(this);
break;
case MessageId.Leave:
Leave.Write(this);
break;
case MessageId.Ping:
Ping.Write(this);
break;
case MessageId.PingOk:
PingOk.Write(this);
break;
}
// Send the data frame
var more = Id == MessageId.Whisper || Id == MessageId.Shout;
output.TrySend(ref msg, TimeSpan.Zero, more);
// Send message content for types with content
switch (Id)
{
case MessageId.Whisper:
if (Whisper.Content == null)
{
Whisper.Content = new NetMQMessage();
Whisper.Content.PushEmptyFrame();
}
output.TrySendMultipartMessage(Whisper.Content);
break;
case MessageId.Shout:
if (Shout.Content == null)
{
Shout.Content = new NetMQMessage();
Shout.Content.PushEmptyFrame();
}
output.TrySendMultipartMessage(Shout.Content);
break;
}
}
finally
{
_buffer = null;
msg.Close();
}
}
/// <summary>
/// Attempt to transmit a multiple message on <paramref name="socket" />.
/// If frames cannot be sent immediately, return <c>false</c>.
/// </summary>
/// <param name="socket">the IOutgoingSocket to transmit on</param>
/// <param name="message">message to transmit</param>
public static bool TrySendMultipartMessage([NotNull] this IOutgoingSocket socket, [NotNull] NetMQMessage message)
{
return(socket.TrySendMultipartMessage(TimeSpan.Zero, message));
}
/// <summary>
/// Send the ZreMsg to the socket.
/// Warning re WHISPER and SHOUT: The 0MQ spec http://rfc.zeromq.org/spec:36
/// says "message content defined as one 0MQ frame. ZRE does not support multi-frame message contents."
/// </summary>
public void Send(IOutgoingSocket output)
{
if (output is RouterSocket)
{
output.SendMoreFrame(RoutingId);
}
int frameSize = 2 + 1; // Signature and message ID
switch (Id)
{
case MessageId.Hello:
frameSize += Hello.GetFrameSize();
break;
case MessageId.Whisper:
frameSize += Whisper.GetFrameSize();
break;
case MessageId.Shout:
frameSize += Shout.GetFrameSize();
break;
case MessageId.Join:
frameSize += Join.GetFrameSize();
break;
case MessageId.Leave:
frameSize += Leave.GetFrameSize();
break;
case MessageId.Ping:
frameSize += Ping.GetFrameSize();
break;
case MessageId.PingOk:
frameSize += PingOk.GetFrameSize();
break;
}
// Now serialize message into the buffer
Msg msg = new Msg();
msg.InitPool(frameSize);
try
{
m_offset = 0;
m_buffer = msg.Data;
// put signature
PutNumber2(0xAAA0 | 1);
// put message id
PutNumber1((byte)Id);
switch (Id)
{
case MessageId.Hello:
Hello.Write(this);
break;
case MessageId.Whisper:
Whisper.Write(this);
break;
case MessageId.Shout:
Shout.Write(this);
break;
case MessageId.Join:
Join.Write(this);
break;
case MessageId.Leave:
Leave.Write(this);
break;
case MessageId.Ping:
Ping.Write(this);
break;
case MessageId.PingOk:
PingOk.Write(this);
break;
}
// Send the data frame
var more = Id == MessageId.Whisper || Id == MessageId.Shout;
output.TrySend(ref msg, TimeSpan.Zero, more);
// Send message content for types with content
switch (Id)
{
case MessageId.Whisper:
if (Whisper.Content == null)
{
Whisper.Content = new NetMQMessage();
Whisper.Content.PushEmptyFrame();
}
output.TrySendMultipartMessage(Whisper.Content);
break;
case MessageId.Shout:
if (Shout.Content == null)
{
Shout.Content = new NetMQMessage();
Shout.Content.PushEmptyFrame();
}
output.TrySendMultipartMessage(Shout.Content);
break;
}
}
finally
{
m_buffer = null;
msg.Close();
}
}