--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/internetradio2.0/streamsourceinc/irsocketopener.h Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,178 @@
+/*
+* Copyright (c) 2006-2007 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: Opens TCP connection.
+*
+*/
+
+
+#ifndef IRSOCKETOPENER_H
+#define IRSOCKETOPENER_H
+
+#include <e32base.h>
+#include <es_sock.h>
+
+#include "irsockettimeouttimer.h"
+
+class RSocket;
+class TSockAddr;
+class CIRStationConnection;
+
+
+/**
+ * Creates the socket connection a channel server
+ */
+NONSHARABLE_CLASS ( CIRSocketOpener ) : public CActive, public MIRSocketTimeoutNotifier
+ {
+public:
+
+ /**
+ * Standard Symbian two-phase construction
+ *
+ * @param aSocket Socket to be opened.
+ * @param aOwner The owner of this CIRSocketOpener
+ * @return Instance of CIRSocketOpener
+ */
+ static CIRSocketOpener* NewL( RSocket& aSocket, CIRStationConnection& aOwner );
+
+ /**
+ * Default C++ destructor
+ */
+ ~CIRSocketOpener();
+
+ /**
+ * Called when the timer times out
+ */
+ void TimerExpired();
+
+ /**
+ * Connects to the channel server
+ *
+ * @param aUri URI of channel server.
+ */
+ void ConnectL( const TDesC& aUri );
+
+protected:
+
+ // from base class CActive
+
+ /**
+ * From base class CActive
+ *
+ * @see CActive::RunL();
+ */
+ void RunL();
+
+ /**
+ * From base class CActive
+ *
+ * @see CActive::DoCancel();
+ */
+ void DoCancel();
+
+private:
+
+ /**
+ * Constructor.
+ */
+ CIRSocketOpener( RSocket& aSocket, CIRStationConnection& aOwner );
+
+ /**
+ * Standard Symbian second-phase construction.
+ */
+ void ConstructL();
+
+ /**
+ * Issues asynchronous resolving of the DNS name to IP address
+ */
+ void ResolveAddress();
+
+ /**
+ * Issues asynchronous connecting to the channel server
+ */
+ void ConnectToAddress();
+
+ /**
+ * Extracts the relevant URI components to member variables.
+ *
+ * @param aUri URI of the channel server
+ */
+ TBool ExtractUriComponentsL(const TDesC& aUri);
+
+private:
+
+ /**
+ * The states of CIRSocketOpener
+ */
+ enum TIRSocketOpenerState
+ {
+ EIRIdle,
+ EIRResolving,
+ EIRConnecting,
+ EIRReady
+ };
+
+private:
+
+ /**
+ * Used for timeout mechanism.
+ * Owned.
+ */
+ CIRSocketTimeOutTimer* iSocketTimer;
+
+ /**
+ * Contains the host part of the URI.
+ * Owned.
+ */
+ RBuf iHost;
+
+ /**
+ * For DNS resolving.
+ * Owned.
+ */
+ RHostResolver iResolver;
+
+ /**
+ * The current state of CIRSocketOpener
+ */
+ TIRSocketOpenerState iState;
+
+ /**
+ * The address of the server in the form understood by the socket.
+ * Contains the IP address and the port.
+ */
+ TSockAddr iSockAddr;
+
+ /**
+ * Contains the resolved host information.
+ */
+ TNameEntry iResolvedHostInfo;
+
+ /**
+ * Contains the port of the URI.
+ */
+ TInt iPort;
+
+ /**
+ * Socket to be opened.
+ */
+ RSocket& iSocket;
+
+ /**
+ * The owner in the whole-part relation.
+ */
+ CIRStationConnection& iOwner;
+ };
+
+#endif // IRSOCKETOPENER_H
+