--- /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
+