webservices/wshostletconnection/src/rsenhostletconnection.cpp
changeset 0 62f9d29f7211
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webservices/wshostletconnection/src/rsenhostletconnection.cpp	Thu Jan 07 16:19:19 2010 +0200
@@ -0,0 +1,401 @@
+/*
+* Copyright (c) 2002-2005 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:           
+*
+*/
+
+
+
+
+
+
+
+
+
+
+
+#include <e32math.h>
+
+//#include "SenHostletConnectionLog.h"
+#include "senservicemanagerdefines.h" // internal Core\inc  - IPC enumerations
+
+#include "rsenhostletconnection.h"
+#include "senchunk.h"
+
+#include "sendebug.h"
+#include "senlogger.h"
+
+#include <SenSoapMessage.h>
+
+#if defined (__WINS__) && !defined(EKA2)
+static const TUint KServerMinHeapSize =   0x1000;  // 4K
+static const TUint KServerMaxHeapSize = 0x100000;  // 1000K
+#endif
+
+static TInt StartServerL();
+static TInt CreateServerProcessL();
+
+RSenHostletConnection::RSenHostletConnection()
+    : RSessionBase(), iTlsLogChannel(1000)
+    {
+    // No implementation required
+    }
+
+TInt RSenHostletConnection::Connect()
+    {
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::Connect");
+    TInt error(KErrNone);
+    TRAPD(err, error = ::StartServerL());
+    
+    if(err != KErrNone)
+        {
+        error = err;
+        }
+    if(KErrNone == error)
+        {
+        TLSLOG(iTlsLogChannel, KMinLogLevel,
+            _L("RSenHostletConnection::Connect - Now creating session"));
+        error = CreateSession(KSenServiceManager,
+                              Version(),
+                              KDefaultMessageSlots);
+#ifdef _SENDEBUG
+        if(error != KErrNone)
+            {
+            TLSLOG_FORMAT((iTlsLogChannel, KMinLogLevel,
+            _L("RSenHostletConnection::Connect - CreateSession returned error: (%d)"), error));
+            }
+        else
+            {
+            TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::Connect - CreateSession returned KErrNone");
+            }
+#endif // _SENDEBUG
+        }
+#ifdef _SENDEBUG
+    else
+        {
+        TLSLOG_FORMAT((iTlsLogChannel, KMinLogLevel,
+        _L8("RSenHostletConnection::Connect - StartServerL failed, error: (%d)"), error));
+        }
+#endif // _SENDEBUG
+    return error;
+    }
+
+TVersion RSenHostletConnection::Version() const
+    {
+    TLSLOG(iTlsLogChannel, KMinLogLevel, _L("RSenHostletConnection::Version"));
+    return(TVersion(KWsfServMajorVersionNumber,
+                    KWsfServMinorVersionNumber,
+                    KWsfServBuildVersionNumber));
+    }
+    
+void RSenHostletConnection::CancelSession(TRequestStatus& aStatus)
+    {
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenServiceConnection::CancelSession(sync)");
+    SendReceive(ESenServCancelSession, aStatus);
+    }
+
+
+// SYNC: Called from CSenHostletConnection::ConstructL
+TInt RSenHostletConnection::Establish(TDesC8& aHostletServiceDescription)
+    {
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::EstablishL");
+
+    TLSLOG_ALL(iTlsLogChannel, KMaxLogLevel, aHostletServiceDescription);
+
+    TInt sdLength = aHostletServiceDescription.Length();
+
+    TIpcArgs args;
+    args.Set(0, &aHostletServiceDescription);
+    args.Set(1, sdLength);
+
+    return SendReceive(ESenServEstablishHostletConnection, args);
+    }
+
+// ASYNC: Completes when request handle is ready to be acquired
+void RSenHostletConnection::AwaitRequest(TRequestStatus& aStatus,
+                                         TDes8& aErrPtr,
+                                         TDes8& aTxnPtr)
+    {
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::AwaitRequest");
+
+    TIpcArgs args;
+    args.Set(0, &aErrPtr);
+    args.Set(1, &aTxnPtr);
+    SendReceive(ESenServAwaitHostletRequest, args, aStatus);
+    }
+
+// SYNC: returns RHandleBase ID if successful
+TInt RSenHostletConnection::AcquireRequestHandle( TDes8& aErrPtr, TDes8& aTxnPtr )
+    {
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::AcquireRequestHandle");
+
+    TIpcArgs args;
+    args.Set(0, &aErrPtr);
+    args.Set(1, &aTxnPtr);
+    return SendReceive(ESenServTransaction, args);
+    }
+
+void RSenHostletConnection::ProvideResponse( TRequestStatus& aStatus, 
+                                             TDes8& aErrPtr,
+                                             TDes8& aTxnPtr,
+                                             CSenChunk& aClientOp,
+                                             const TInt aResponseCode )
+    {
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::ProvideResponse");
+
+    TIpcArgs args;
+    args.Set(0, &aErrPtr);
+    args.Set(1, &aTxnPtr);
+    aClientOp.ChunkToArgs(args,2);
+    args.Set(3, aResponseCode);
+    SendReceive(ESenServProvideHostletResponse, args, aStatus);
+    }
+
+TInt RSenHostletConnection::ConnectionID()
+    {
+    TInt connectionID = SendReceive( ESenServConnectionID );
+                   
+    iTlsLogChannel = KSenHostletConnectionLogChannelBase + connectionID;
+    //TLSLOG_FORMAT((iTlsLogChannel, KMinLogLevel, _L("- Connection ID: (%d)"), connectionID));
+    return connectionID;
+    }
+    
+TInt RSenHostletConnection::RegisterTransferObserver(
+        const TDesC* aServerName, TAny* aConnection)
+    {
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::RegisterTransferObserver");
+    CActiveSchedulerWait asWait;
+    TIpcArgs args(aServerName, aConnection, &asWait);
+    TRequestStatus rs = KRequestPending;
+    SendReceive(ESenObserveTransfer, args, rs);
+    Mem::FillZ(&asWait, sizeof(asWait));
+    asWait.Start();
+    User::WaitForRequest(rs);
+    TLSLOG_L(iTlsLogChannel, KMinLogLevel, "RSenHostletConnection::RegisterTransferObserver Completed");
+    return rs.Int();
+    }
+
+//void RSenHostletConnection::SetTlsLogChannel(TInt aTlsLogChannel)
+//    {
+//    iTlsLogChannel = aTlsLogChannel;
+//    }
+
+static TInt StartServerL()
+    {
+    TInt result(KErrNotFound);
+    
+#ifdef _SENDEBUG    
+    RFileLogger log;
+    CleanupClosePushL(log);
+    User::LeaveIfError( log.Connect() );
+    log.CreateLog(KSenHostletConnectionLogDir, _L("SenStartServer.log"), EFileLoggingModeAppend);
+    log.Write(_L("StartServerL() invoked by HC."));
+#endif
+
+    TFindServer findSenServiceManager(KSenServiceManager);
+    TFullName name;
+
+    result = findSenServiceManager.Next(name);
+    if (result == KErrNone)
+        {
+        // Server already running
+#ifdef _SENDEBUG        
+        log.Write(_L8("- Server already running, KErrNone"));
+        log.CloseLog();
+        CleanupStack::PopAndDestroy(); // log.Close()
+#endif // _SENDEBUG        
+        return KErrNone;
+        }
+
+    RSemaphore semaphore;
+    CleanupClosePushL(semaphore);
+
+    // First, try to open the semaphore (if someone else created it already):
+    result = semaphore.OpenGlobal( KSenServiceManagerSemaphoreName );
+    if( result == KErrNone )
+        {
+        // If another client is starting up SEN.EXE, this client should return
+        // to re-connect loop (wait one sec, max 5 times)
+#ifdef _SENDEBUG        
+        log.Write(_L8("- OpenGlobal OK => Another client already starting up SEN.EXE. About to WAIT and RE-CONNECT."));
+#endif        
+        result = KErrServerBusy;
+        }
+    else // could not find any already opened global semaphore ==> it is safe to create new one
+        {   
+        // Semaphore has not yet been created, so instantiate it now(!)
+        result = semaphore.CreateGlobal( KSenServiceManagerSemaphoreName, 0 );
+#ifdef _SENDEBUG        
+        if( result != KErrNone )
+            {
+            log.Write(_L8("CreateGlobal failed"));
+            log.WriteFormat(_L8("- error: %d"), result);
+            }
+#endif        
+        }
+        
+    if (result != KErrNone)
+        {
+        CleanupStack::PopAndDestroy(); // semaphore.Close()
+#ifdef _SENDEBUG        
+        log.CloseLog();
+#endif // _SENDEBUG        
+        if( result != KErrServerBusy )
+            {
+#ifdef _SENDEBUG        
+            log.Write(_L8("- CreateGlobal failed => Another client already starting up SEN.EXE. About to WAIT and RE-CONNECT."));
+            CleanupStack::PopAndDestroy(); // log.Close()
+#endif // _SENDEBUG        
+            result = KErrServerBusy; // again, this error will activate re-connect loop (max 5 times)
+            }
+        return result;
+        }
+
+    result = CreateServerProcessL();
+    if (result != KErrNone)
+        {
+        CleanupStack::PopAndDestroy(); // semaphore.Close()
+#ifdef _SENDEBUG        
+        log.Write(_L8("CreateServerProcessL failed"));
+        log.CloseLog();
+        CleanupStack::PopAndDestroy(); // log.Close()
+#endif // _SENDEBUG         
+        return result;
+        }
+
+    // Now start waiting for signal from server: it will release this semaphore from wait:
+    semaphore.Wait();  
+    CleanupStack::PopAndDestroy(); // semaphore.Close()
+
+#ifdef _SENDEBUG        
+    log.Write(_L("Log file closed."));
+    log.CloseLog();
+    CleanupStack::PopAndDestroy(); // log.Close()    
+#endif // _SENDEBUG
+    return  KErrNone;
+    }
+
+static TInt CreateServerProcessL()
+    {
+    TInt result(KErrNone);
+
+#ifdef _SENDEBUG
+    RFileLogger log;
+    CleanupClosePushL(log);
+    User::LeaveIfError( log.Connect() );
+    // Note: this appends to the log created in StartServer()
+    log.CreateLog(KSenHostletConnectionLogDir, _L("SenStartServer.log"), EFileLoggingModeAppend);
+    log.Write(_L("CreateServerProcessL() invoked by HC."));
+#endif // _SENDEBUG
+
+    const TUidType serverUid(KNullUid, KNullUid, KServerUid3);
+
+#if defined(__WINS__) && !defined(EKA2)
+
+    RLibrary lib;
+    CleanupClosePushL(lib);
+
+    RThread server;
+    CleanupClosePushL(server);
+
+    result = lib.Load(KSenServiceManagerFileName, serverUid);
+
+    if( result == KErrNone )
+        {
+#ifdef _SENDEB
+        log.Write(_L8("Library successfully loaded, KErrNone"));
+#endif // _SENDEBUG
+
+        //  Get the WinsMain function
+        TLibraryFunction functionWinsMain = lib.Lookup(1);
+
+        //  Call it and cast the result to a thread function
+        TThreadFunction serverThreadFunction =
+            reinterpret_cast<TThreadFunction>(functionWinsMain());
+
+        TName threadName(KSenServiceManagerFileName);
+
+        // Append a random number to make it unique
+        threadName.AppendNum(Math::Random(), EHex);
+
+
+        result = server.Create(threadName,   // create new server thread
+                               serverThreadFunction, // thread's main function
+                               KDefaultStackSize,
+                               NULL,
+                               &lib,
+                               NULL,
+                               KServerMinHeapSize,
+                               KServerMaxHeapSize,
+                               EOwnerProcess);
+
+        // if successful, server thread now has the handle to library:
+
+        if ( result == KErrNone )
+            {
+            server.SetPriority( EPriorityMore );
+            }
+#ifdef _SENDEBUG
+        else
+            {
+            log.Write(_L8("Failed to create server thread."));
+            }
+#endif // _SENDEBUG
+            
+        }
+#ifdef _SENDEBUG
+    else
+        {
+        log.Write(_L8("Could not load library"));
+        }
+#endif // _SENDEBUG
+
+    CleanupStack::Pop(); // server (thread)
+    CleanupStack::PopAndDestroy(); // lib
+    CleanupClosePushL(server);
+
+#else // NON WINS TARGET(S):
+    RProcess server;
+    CleanupClosePushL(server);
+    result = server.Create(KSenServiceManagerFileName, KNullDesC, serverUid);//CodeScannerWarning
+#endif
+
+    if( result == KErrNone )
+        {
+#ifdef _SENDEBUG
+        log.Write(_L8("Server successfully created, KErrNone"));
+#endif // _SENDEBUG
+        server.Resume();
+        }
+#ifdef _SENDEBUG
+    else
+        {
+        log.Write(_L8("Could not create server"));
+        }
+#endif // _SENDEBUG
+
+    CleanupStack::PopAndDestroy(); // server.Close();
+
+#ifdef _SENDEBUG
+    CleanupStack::PopAndDestroy(); // log.Close();
+#endif
+
+    return result;
+    }
+    
+
+// End of file
+
+
+