javacommons/comms/ipclib/clientserver/src.s60/creceiver.cpp
branchRCL_3
changeset 14 04becd199f91
child 24 6c158198356e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javacommons/comms/ipclib/clientserver/src.s60/creceiver.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: CReceiver enables asynchronous communication with server side
+*
+*/
+
+
+#include "logger.h"
+
+#include "creceiver.h"
+#include "rcomms.h"
+#include "ipcclient.h"
+#include "common.h"
+
+namespace java
+{
+namespace comms
+{
+
+const TInt DEFAULT_BUFFER_SIZE  = 2048;
+
+CReceiver::CReceiver(IpcClient& aParent, IpcListener& aListener, RComms& aSession)
+        : CActive(EPriorityStandard), mParent(aParent), mListener(aListener), mSession(aSession)
+{
+    CActiveScheduler::Add(this);
+    mBuffer.Create(DEFAULT_BUFFER_SIZE);
+}
+
+CReceiver::~CReceiver()
+{
+    mBuffer.Close();
+}
+
+void CReceiver::Receive()
+{
+    mSession.Receive(mBuffer, mRequiredLength, iStatus);
+    SetActive();
+}
+
+void CReceiver::RunL()
+{
+    switch (iStatus.Int())
+    {
+    case KErrNone:
+    {
+        char* buf = desToMessage(mBuffer);
+        mListener.processMessage(reinterpret_cast<ipcMessage_t*>(buf));
+        delete[] buf;
+        Receive();
+    }
+    break;
+
+    case KErrOverflow:
+    {
+        // buffer was not big enough for the message so reallocate buffer with correct size
+        mBuffer.Close();
+        mBuffer.ReAllocL(mRequiredLength());
+        WLOG2(EJavaComms, "%s: increasing buffer size to %d", __PRETTY_FUNCTION__, mRequiredLength());
+        Receive();
+    }
+    break;
+
+    default:
+        ELOG2(EJavaComms, "%s failed, err = %d", __PRETTY_FUNCTION__, iStatus.Int());
+        mParent.error(iStatus.Int());
+        break;
+    }
+}
+
+void CReceiver::DoCancel()
+{
+    mSession.CancelReceive();
+}
+
+TInt CReceiver::RunError(TInt aError)
+{
+    ELOG2(EJavaComms, "%s failed, err = %d", __PRETTY_FUNCTION__, aError);
+    return KErrNone;
+}
+
+
+} // namespace comms
+} // namespace java