--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/consoles/rcons/server/win32/ClientSocket.cpp Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,156 @@
+// ClientSocket.cpp
+//
+// Copyright (c) 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Accenture - Initial contribution
+//
+
+#include "Misc.h"
+#include "stdafx.h"
+#include "ClientSocket.h"
+#include "DynamicBuffer.h"
+
+const int KInitialBufferLength = 1;
+const int KNotifyReadComplete = 9000;
+
+
+CClientSocket* CClientSocket::New(CWindow& aWindow, SOCKET aSocket)
+ {
+ std::auto_ptr<CClientSocket> self(new(EThrow) CClientSocket(aWindow, aSocket));
+ self->Construct();
+ return self.release();
+ }
+
+CClientSocket::CClientSocket(CWindow& aWindow, SOCKET aSocket)
+ : CSocket(aWindow, aSocket), iReadHandler(NULL), iReadBuf(NULL), iReadLength(0)
+ {
+ }
+
+void CClientSocket::Read(char* aBuf, int aLength, MSocketReadHandler& aHandler)
+ {
+ ASSERT(iReadHandler == NULL);
+ iReadBuf = aBuf;
+ iReadLength = aLength;
+ iReadHandler = &aHandler;
+ HandleRead(FALSE);
+ }
+
+void CClientSocket::Write(char* aBuf, int aLength)
+ {
+ iWriteBuf->Add(aBuf, aLength);
+ HandleWrite();
+ }
+
+CClientSocket::~CClientSocket()
+ {
+ delete iWriteBuf;
+ }
+
+void CClientSocket::Construct()
+ {
+ CSocket::Construct();
+
+ if (WSAAsyncSelect(iSocket, iWindow.Handle(), KSocketMessage, FD_READ | FD_WRITE | FD_CLOSE) == SOCKET_ERROR)
+ {
+ throw KExceptionSocketSelectFailed;
+ }
+
+ iWriteBuf = CDynamicWriteBuffer::New(KInitialBufferLength);
+ }
+
+void CClientSocket::HandleRead(bool aNotifySynchronously)
+ {
+ if (iReadLength > 0)
+ {
+ int ret = recv(iSocket, iReadBuf, iReadLength, 0);
+ if (ret == SOCKET_ERROR)
+ {
+ if (WSAGetLastError() != WSAEWOULDBLOCK)
+ {
+ HandleClosure();
+ }
+ }
+ else if (ret == 0)
+ {
+ HandleClosure();
+ }
+ else
+ {
+ iReadLength -= ret;
+ ASSERT(iReadLength >= 0);
+ if (iReadLength == 0)
+ {
+ if (aNotifySynchronously)
+ {
+ NotifyReadComplete();
+ }
+ else
+ {
+ PostMessage(iWindow.Handle(), KSocketMessage, iSocket, KNotifyReadComplete);
+ }
+ }
+ else
+ {
+ iReadBuf += ret;
+ }
+ }
+ }
+ }
+
+void CClientSocket::HandleWrite()
+ {
+ if (iWriteBuf->Length() > 0)
+ {
+ int ret = send(iSocket, iWriteBuf->Buffer(), iWriteBuf->Length(), 0);
+ if (ret == SOCKET_ERROR)
+ {
+ if (WSAGetLastError() != WSAEWOULDBLOCK)
+ {
+ HandleClosure();
+ }
+ }
+ else if (ret == 0)
+ {
+ HandleClosure();
+ }
+ else
+ {
+ iWriteBuf->Remove(ret);
+ }
+ }
+ }
+
+void CClientSocket::NotifyReadComplete()
+ {
+ ASSERT(iReadHandler);
+ MSocketReadHandler* readHandler = iReadHandler;
+ iReadBuf = NULL;
+ iReadLength = 0;
+ iReadHandler = NULL;
+ readHandler->SocketReadComplete();
+ }
+
+LRESULT CClientSocket::HandleSocketMessage(LPARAM aLParam)
+ {
+ switch (WSAGETSELECTEVENT(aLParam))
+ {
+ case FD_READ:
+ HandleRead(TRUE);
+ break;
+ case FD_WRITE:
+ HandleWrite();
+ break;
+ case KNotifyReadComplete:
+ NotifyReadComplete();
+ break;
+ default:
+ ASSERT(FALSE);
+ }
+ return 0;
+ }
+