private bool SendMessage(int procedure, int version, IXdrWritable argument, out string errorMessage)
{
this.networkWriter.BeginWriting();
this.rpcMessage.Xid = this.nextXid++;
this.rpcMessage.Body.CallBody.Procedure = (uint)procedure;
this.rpcMessage.Body.CallBody.Version = (uint)version;
this.rpcMessage.WriteTo(this.xdrWriter);
argument.WriteTo(this.xdrWriter);
NetworkWriteResult writeResult = this.networkWriter.EndWriting(this.remoteIpEndPoint);
if (writeResult.HasError)
{
errorMessage =
$"Could not send message to {this.remoteIpEndPoint}. Socket error: {writeResult.SocketError}.";
return(false);
}
NetworkReadResult readResult = this.networkReader.BeginReading();
if (readResult.HasError)
{
errorMessage =
$"Could not receive reply from {this.remoteIpEndPoint}. Socket error: {readResult.SocketError}.";
return(false);
}
errorMessage = null;
return(true);
}
private void Receiving()
{
try
{
while (!this.stopReceiving)
{
NetworkReadResult readResult = this.reader.BeginReading();
if (readResult.HasError)
{
this.logger?.Trace(
$"Could not read data from {this.caller}. " +
$"Socket error: {readResult.SocketError}.");
this.IsFinished = true;
return;
}
if (readResult.IsDisconnected)
{
this.logger?.Trace($"{this.caller} disconnected.");
this.IsFinished = true;
return;
}
this.writer.BeginWriting();
this.receivedCall.HandleCall(this.caller);
this.reader.EndReading();
NetworkWriteResult writeResult = this.writer.EndWriting(this.remoteIpEndPoint);
if (writeResult.HasError)
{
this.logger?.Trace(
$"Could not write data to {this.caller}. " +
$"Socket error: {writeResult.SocketError}.");
this.IsFinished = true;
return;
}
}
}
catch (Exception e)
{
this.logger?.Error($"Unexpected exception in connection to {this.caller}: {e}");
}
}