1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  ECOM plugin to communicate over IP port

    15 *

    16 */

    17 

    18 

    19 #ifndef CHTICONNECTIONMANAGER_H

    20 #define CHTICONNECTIONMANAGER_H

    21 

    22 

    23 // INCLUDES

    24 #include <HtiCommPluginInterface.h> // defined in HtiFramework project

    25 #include <es_sock.h>

    26 #include <in_sock.h>

    27 #include <commdbconnpref.h>

    28 

    29 #include "HtiIPCommServerCommon.h"

    30 #include "HtiSocketMonitor.h"

    31 #include "HtiIPCommServer.h"

    32 

    33 

    34 // FORWARD DECLARATIONS

    35 class CHtiIPCommServer;

    36 class CHtiCfg;

    37 

    38 // CLASS DECLARATION

    39 

    40 class MHtiTimerObserver

    41 {

    42 public:

    43     virtual void TimerExpiredL() = 0;

    44 };

    45 

    46 

    47 class CHtiTimer : public CTimer

    48 {

    49 public:

    50     static CHtiTimer* NewL( MHtiTimerObserver& aObserver );

    51     virtual ~CHtiTimer();

    52 

    53 protected: // From CActive

    54     void RunL();

    55     TInt RunError(TInt aError);

    56 

    57 private:

    58     CHtiTimer( MHtiTimerObserver& aObserver );

    59     void ConstructL();

    60 

    61 private:

    62     MHtiTimerObserver& iObserver;

    63 };

    64 

    65 

    66 class CHtiConnectionManager : public CActive,

    67                               public MHtiSocketObserver,

    68                               public MHtiTimerObserver

    69 {

    70 public:

    71     enum TConnectionstate {

    72         EStartingIAP,

    73         EWaitingConnection,

    74         EConnecting,

    75         EConnected,

    76         EDisconnecting,

    77         EDisconnected

    78     };

    79 

    80     static CHtiConnectionManager* NewL( CHtiIPCommServer* aServer );

    81     ~CHtiConnectionManager();

    82 

    83     void Receive( const RMessage2& aMessage );

    84     void Send( const RMessage2& aMessage );

    85     void CancelReceive();

    86     void CancelSend();

    87 

    88 private:

    89     CHtiConnectionManager( CHtiIPCommServer* aServer );

    90     void ConstructL();

    91 

    92     // Config file reading separated to 2 parts because

    93     // ReadConnectionConfigL might need dns resolver and

    94     // that should be done after the IAP is started...

    95     void ReadIAPConfigL();

    96     void ReadConnectionConfigL();

    97 

    98     void ReadSocket();

    99     void WriteSocket();

   100 

   101     void StartConnectingL();

   102     void StartListeningL();

   103 

   104     /*

   105      *  Cancels all outstanding server session requests

   106      */

   107     void CancelAllRequests();

   108 

   109     void ShowErrorNotifierL( const TDesC& aText, TInt aErr = KErrGeneral );

   110 

   111 protected: // From CActive

   112     void RunL();

   113     void DoCancel();

   114     TInt RunError(TInt aError);

   115 

   116 public: // MHtiTimerObserver

   117     void TimerExpiredL();

   118 

   119 public: // MHtiSocketObserver

   120     void ReportComplete( MHtiSocketObserver::TRequestType aType, TInt aError );

   121 

   122 

   123 

   124 private:

   125     CHtiIPCommServer*   iServer;

   126 

   127     CHtiCfg*            iCfg;

   128     TUint32             iIAPId;

   129 

   130     TInt                iListenPort;

   131     TInetAddr           iRemoteHost;

   132 

   133     RSocketServ         iSocketServ;

   134     RConnection         iConnection;

   135     RSocket             iDataSocket;

   136     RSocket             iListenSocket;

   137     TSockXfrLength      iRecvLen;

   138     TConnectionstate    iState;

   139 

   140     RMessage2           iReceiveRequest;

   141     RMessage2           iSendRequest;

   142 

   143     TBool               iReceiveRequestComplete;

   144     TBool               iSendRequestComplete;

   145 

   146     CHtiSocketMonitor*  iSendMonitor;

   147     CHtiSocketMonitor*  iReceiveMonitor;

   148 

   149     CHtiTimer*          iConnectTimer;

   150     TInt                iConnectTimeout;

   151 

   152     TBuf8<KIPCommServerReceiveBufferMaxSize> iReceiveBuffer;

   153     TBuf8<KIPCommServerSendBufferMaxSize>    iSendBuffer;

   154     

   155     TCommDbConnPref     iConnPref;

   156 };

   157 

   158 #endif