private void OnAcceptted(ListeningContext context)
{
if (context.AcceptSocket == null || context.AcceptSocket.RemoteEndPoint == null)
{
// Canceled due to shutdown.
return;
}
#if !API_SIGNATURE_TEST
MsgPackRpcServerProtocolsTrace.TraceEvent(
MsgPackRpcServerProtocolsTrace.EndAccept,
"Accept. {{ \"Socket\" : 0x{0:X}, \"RemoteEndPoint\" : \"{1}\", \"LocalEndPoint\" : \"{2}\" }}",
ServerTransport.GetHandle(context.AcceptSocket),
ServerTransport.GetRemoteEndPoint(context.AcceptSocket, context),
ServerTransport.GetLocalEndPoint(context.AcceptSocket)
);
#endif
Contract.Assert(context.BytesTransferred == 0, context.BytesTransferred.ToString());
var transport = this.GetTransport(context.AcceptSocket);
context.AcceptSocket = null;
this.Accept(context);
transport.Receive(this.GetRequestContext(transport));
}
private void OnCompleted(object sender, SocketAsyncEventArgs e)
{
var socket = sender as Socket;
if (!this.HandleSocketError(socket, e))
{
return;
}
switch (e.LastOperation)
{
case SocketAsyncOperation.Accept:
{
var context = e as ListeningContext;
Contract.Assert(context != null);
this.OnAcceptted(context);
break;
}
default:
{
#if !API_SIGNATURE_TEST
MsgPackRpcServerProtocolsTrace.TraceEvent(
MsgPackRpcServerProtocolsTrace.UnexpectedLastOperation,
"Unexpected operation. {{ \"Socket\" : 0x{0:X}, \"RemoteEndPoint\" : \"{1}\", \"LocalEndPoint\" : \"{2}\", \"LastOperation\" : \"{3}\" }}",
ServerTransport.GetHandle(socket),
ServerTransport.GetRemoteEndPoint(socket, e),
ServerTransport.GetLocalEndPoint(socket),
e.LastOperation
);
#endif
break;
}
}
}
/// <summary>
/// Handles the socket error as server error.
/// </summary>
/// <param name="socket">The <see cref="Socket"/> caused error.</param>
/// <param name="context">The <see cref="SocketAsyncEventArgs"/> instance containing the asynchronous operation data.</param>
/// <returns>
/// <c>true</c>, if the error can be ignore, it is in shutdown which is initiated by another thread, for example; otherwise, <c>false</c>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="socket"/> is <c>null</c>.
/// Or <paramref name="context"/> is <c>null</c>.
/// </exception>
/// <remarks>
/// When this method returns <c>false</c>, <see cref="RpcServer.ServerError"/> event will be also ocurred.
/// </remarks>
protected internal bool HandleSocketError(Socket socket, SocketAsyncEventArgs context)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
Contract.EndContractBlock();
bool?isError = context.SocketError.IsError();
if (isError == null)
{
MsgPackRpcServerProtocolsTrace.TraceEvent(
MsgPackRpcServerProtocolsTrace.IgnoreableError,
"Ignoreable error. {{ \"Socket\" : 0x{0:X}, \"RemoteEndpoint\" : \"{1}\", \"LocalEndpoint\" : \"{2}\", \"LastOperation\" : \"{3}\", \"SocketError\" : \"{4}\", \"ErrorCode\" : 0x{5:X} }}",
ServerTransport.GetHandle(socket),
ServerTransport.GetRemoteEndPoint(socket, context),
ServerTransport.GetLocalEndPoint(socket),
context.LastOperation,
context.SocketError,
( int )context.SocketError
);
return(true);
}
else if (isError.GetValueOrDefault())
{
var errorDetail =
String.Format(
CultureInfo.CurrentCulture,
"Socket error. {{ \"Socket\" : 0x{0:X}, \"RemoteEndpoint\" : \"{1}\", \"LocalEndpoint\" : \"{2}\", \"LastOperation\" : \"{3}\", \"SocketError\" : \"{4}\", \"ErrorCode\" : 0x{5:X} }}",
ServerTransport.GetHandle(socket),
ServerTransport.GetRemoteEndPoint(socket, context),
ServerTransport.GetLocalEndPoint(socket),
context.LastOperation,
context.SocketError,
( int )context.SocketError
);
MsgPackRpcServerProtocolsTrace.TraceEvent(
MsgPackRpcServerProtocolsTrace.SocketError,
errorDetail
);
this.RaiseServerError(new RpcTransportException(context.SocketError.ToRpcError(), "Socket error.", errorDetail, new SocketException(( int )context.SocketError)));
return(false);
}
return(true);
}