syncmlfw/ds/hostserver/dshostserverbase/src/Nsmldshostserver.cpp
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     1 /*
       
     2 * Copyright (c) 2005 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:  DS Host Server
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <s32std.h>
       
    21 #include <data_caging_path_literals.hrh>
       
    22 #include <f32file.h>
       
    23 #include <e32math.h>
       
    24 
       
    25 #include <nsmldebug.h>
       
    26 #include "nsmldshostconstants.h"
       
    27 #include "Nsmldshostserver.h"
       
    28 #include "Nsmldshostsession.h"
       
    29 
       
    30 // CONSTANTS
       
    31 const TInt KNSmlMaxSessionCount = 200;
       
    32 
       
    33 // ======================================= MEMBER FUNCTIONS =======================================
       
    34 
       
    35 // ------------------------------------------------------------------------------------------------
       
    36 // CNSmlDSHostServer::~CNSmlDSHostServer
       
    37 // ------------------------------------------------------------------------------------------------
       
    38 EXPORT_C CNSmlDSHostServer::~CNSmlDSHostServer()
       
    39 	{
       
    40 	_DBG_FILE("CNSmlDSHostServer::~CNSmlDSHostServer(): begin");
       
    41 	_DBG_FILE("CNSmlDSHostServer::~CNSmlDSHostServer(): end");
       
    42 	}
       
    43 	
       
    44 // ------------------------------------------------------------------------------------------------
       
    45 // CNSmlDSHostServer::InitHostServer
       
    46 // ------------------------------------------------------------------------------------------------
       
    47 EXPORT_C TInt CNSmlDSHostServer::InitHostServer( TNSmlHostServers aServer, TThreadFunction aFunction )
       
    48     {
       
    49 	const TDesC& serverName = ServerName( aServer );
       
    50 	if ( serverName == KNullDesC )
       
    51 		{
       
    52 		return KErrArgument;
       
    53 		}
       
    54     	
       
    55     // check server not already started
       
    56     TFindServer findHostServer( serverName );
       
    57     TFullName name;
       
    58     if ( findHostServer.Next( name ) == KErrNone )
       
    59 	    { // found server already 
       
    60 	    return KErrGeneral;
       
    61 	    }
       
    62         
       
    63 	TInt error( KErrNone );
       
    64     error = ThreadFunction( (TAny*) aFunction, aServer );
       
    65     
       
    66 	return error;
       
    67     }
       
    68     
       
    69 // ------------------------------------------------------------------------------------------------
       
    70 // CNSmlDSHostServer::ServerName
       
    71 // ------------------------------------------------------------------------------------------------
       
    72 const TDesC& CNSmlDSHostServer::ServerName( TNSmlHostServers aServer )
       
    73 	{
       
    74 	if ( aServer > ENSmlHostServerEnd )
       
    75     	{
       
    76     	aServer = ENSmlHostServerEnd;
       
    77     	}
       
    78     	
       
    79     const TDesC* KNSmlHostServerNames[ENSmlHostServerEnd + 1] = 
       
    80 		{
       
    81 		&KNSmlDSHostServer1Name,
       
    82 		&KNSmlDSHostServer2Name,
       
    83 		&KNullDesC
       
    84 		};
       
    85 		
       
    86     return *KNSmlHostServerNames[aServer];
       
    87 	}
       
    88 
       
    89 // ------------------------------------------------------------------------------------------------
       
    90 // CNSmlDSHostServer::ServerModuleName
       
    91 // ------------------------------------------------------------------------------------------------	
       
    92 const TDesC& CNSmlDSHostServer::ServerModuleName( TNSmlHostServers aServer )
       
    93 	{
       
    94 	if ( aServer > ENSmlHostServerEnd )
       
    95     	{
       
    96     	aServer = ENSmlHostServerEnd;
       
    97     	}
       
    98     	
       
    99     const TDesC* KNSmlHostServerModuleNames[ENSmlHostServerEnd + 1] =
       
   100 		{
       
   101 		&KNSmlDSHostServer1Exe,
       
   102 		&KNSmlDSHostServer2Exe,
       
   103 		&KNullDesC
       
   104 		};
       
   105 	
       
   106 	return *KNSmlHostServerModuleNames[aServer];
       
   107 	}
       
   108     
       
   109 // ------------------------------------------------------------------------------------------------
       
   110 // CNSmlDSHostServer::ThreadFunction
       
   111 // ------------------------------------------------------------------------------------------------ 
       
   112 TInt CNSmlDSHostServer::ThreadFunction( TAny* aStarted, TNSmlHostServers aServer )
       
   113 	{
       
   114 	__UHEAP_MARK;
       
   115 	
       
   116 	TThreadFunction function = reinterpret_cast<TThreadFunction>( aStarted );
       
   117 
       
   118     CTrapCleanup* cleanup = CTrapCleanup::New();
       
   119     __ASSERT_ALWAYS( cleanup, HandleLeaveOnStartup( &aServer ) );
       
   120     TRAPD(err, HostServerStartUpL( function, aServer ) );
       
   121     delete cleanup;
       
   122     __UHEAP_MARKEND;
       
   123     
       
   124 	return err;
       
   125 	}
       
   126 	
       
   127 // ------------------------------------------------------------------------------------------------
       
   128 // CNSmlDSHostServer::HostServerStartUpL
       
   129 // ------------------------------------------------------------------------------------------------    
       
   130 void CNSmlDSHostServer::HostServerStartUpL( TThreadFunction aFunction, TNSmlHostServers aServer )
       
   131 	{
       
   132 	CleanupStack::PushL( TCleanupItem ( HandleLeaveOnStartup, &aServer ) );
       
   133 	
       
   134     CActiveScheduler* scheduler = new ( ELeave ) CActiveScheduler();
       
   135 	CActiveScheduler::Install( scheduler );
       
   136 	
       
   137 	__UHEAP_MARK;
       
   138 	aFunction( NULL );
       
   139 	__UHEAP_MARKEND;
       
   140 	
       
   141 	CActiveScheduler::Install( NULL );
       
   142     delete scheduler;
       
   143 	
       
   144 	CleanupStack::Pop();
       
   145 	}
       
   146 
       
   147 // ------------------------------------------------------------------------------------------------
       
   148 // CNSmlDSHostServer::ServerFromThread
       
   149 // ------------------------------------------------------------------------------------------------
       
   150 TNSmlHostServers CNSmlDSHostServer::ServerFromThread( const RThread &aThread )
       
   151 	{
       
   152 	TInt tmp;
       
   153 	TName thname = aThread.Name();
       
   154 	TPtrC serverid = thname.Left( 4 );
       
   155 	TLex lex( serverid );
       
   156 	lex.Val(tmp);
       
   157 	return static_cast<TNSmlHostServers>( tmp );
       
   158 	}
       
   159 // ------------------------------------------------------------------------------------------------
       
   160 // CNSmlDSHostServer::NewSessionL
       
   161 // ------------------------------------------------------------------------------------------------
       
   162 CSession2* CNSmlDSHostServer::NewSessionL( const TVersion& aVersion, const RMessage2& aMessage ) const
       
   163 	{
       
   164 	_DBG_FILE("CNSmlDSHostServer::NewSessionL(): begin");
       
   165 	if( iSessionCount >= KNSmlMaxSessionCount )
       
   166 		{
       
   167 		User::Leave( KErrCouldNotConnect );
       
   168 		}
       
   169 
       
   170 	// check we're the right version
       
   171 	TVersion DSHostServerVersion( KNSmlDSHostServerVersionMajor, 
       
   172 		KNSmlDSHostServerVersionMinor, KNSmlDSHostServerVersionBuild );
       
   173 		
       
   174 	if( !User::QueryVersionSupported( DSHostServerVersion, aVersion ) )
       
   175 		{
       
   176 		_DBG_FILE("CNSmlDSHostServer::NewSessionL(): wrong version offered -> BAIL OUT!");
       
   177 		User::Leave(KErrNotSupported);
       
   178 		}
       
   179 	TSecureId id = aMessage.SecureId();
       
   180 	_LIT_SECURITY_POLICY_S0( mySidPolicy, KNSmlSOSServerSecureID );
       
   181 
       
   182 	if ( !mySidPolicy().CheckPolicy( aMessage ) )
       
   183 		{
       
   184 		User::Leave( KErrPermissionDenied );
       
   185 		}
       
   186 
       
   187 	_DBG_FILE("CNSmlDSHostServer::NewSessionL(): end");
       
   188 	return CNSmlDSHostSession::NewL( *const_cast<CNSmlDSHostServer*>( this ) );	
       
   189 	}
       
   190 
       
   191 // ------------------------------------------------------------------------------------------------
       
   192 // CNSmlDSHostServer::CNSmlDSHostServer
       
   193 // ------------------------------------------------------------------------------------------------
       
   194 EXPORT_C CNSmlDSHostServer::CNSmlDSHostServer() : CServer2(EPriorityStandard)
       
   195 	{
       
   196 	_DBG_FILE("CNSmlDSHostServer::CNSmlDSHostServer(): begin");
       
   197 	_DBG_FILE("CNSmlDSHostServer::CNSmlDSHostServer(): end");
       
   198 	}
       
   199 
       
   200 // ------------------------------------------------------------------------------------------------
       
   201 // CNSmlDSHostServer::IncSessionCount
       
   202 // ------------------------------------------------------------------------------------------------
       
   203 EXPORT_C void CNSmlDSHostServer::IncSessionCount()
       
   204 	{
       
   205 	_DBG_FILE("CNSmlDSHostServer::IncSessionCount(): begin");
       
   206 	++iSessionCount;
       
   207 	_DBG_FILE("CNSmlDSHostServer::IncSessionCount(): end");
       
   208 	}
       
   209 
       
   210 // ------------------------------------------------------------------------------------------------
       
   211 // CNSmlDSHostServer::DecSessionCount
       
   212 // ------------------------------------------------------------------------------------------------
       
   213 EXPORT_C void CNSmlDSHostServer::DecSessionCount()
       
   214 	{
       
   215 	_DBG_FILE("CNSmlDSHostServer::DecSessionCount(): begin");
       
   216 	--iSessionCount;
       
   217     if ( !iSessionCount )
       
   218         {
       
   219         CActiveScheduler::Stop();   
       
   220         }
       
   221 	_DBG_FILE("CNSmlDSHostServer::DecSessionCount(): end");
       
   222 	}
       
   223 	
       
   224 // ------------------------------------------------------------------------------------------------
       
   225 // CNSmlDSHostServer::CallNewSessionL
       
   226 // ------------------------------------------------------------------------------------------------
       
   227 EXPORT_C CSession2* CNSmlDSHostServer::CallNewSessionL( const TVersion& aVersion, const RMessage2& aMessage ) const
       
   228     {
       
   229     return CNSmlDSHostServer::NewSessionL( aVersion, aMessage );
       
   230     }
       
   231 
       
   232 // ------------------------------------------------------------------------------------------------
       
   233 // CNSmlDSHostServer::HandleLeaveOnStartup
       
   234 // ------------------------------------------------------------------------------------------------
       
   235 void CNSmlDSHostServer::HandleLeaveOnStartup( TAny* /*aP*/ )
       
   236 	{
       
   237 	RProcess::Rendezvous( KErrGeneral );
       
   238 	PanicServer( EMainSchedulerError );
       
   239 	}
       
   240 
       
   241 // ------------------------------------------------------------------------------------------------
       
   242 // CNSmlDSHostServer::PanicServer
       
   243 // ------------------------------------------------------------------------------------------------    
       
   244 void CNSmlDSHostServer::PanicServer( TNSmlHostServerErrors aPanic )
       
   245 	{
       
   246 	_LIT( KTxtDSHostServerBase, "NSmlDSHostServerBase" );
       
   247 	User::Panic( KTxtDSHostServerBase, aPanic );
       
   248 	}
       
   249 
       
   250 // End of File