BOOL CNetMgr::Cleanup() {_STT(); // Acquire lock CTlLocalLock ll( *this ); if ( !ll.IsLocked() ) return FALSE; BOOL bChanged = FALSE; // Get the first object THList< GUID, CNetCom >::iterator it = NULL; while ( ( it = m_lstSession.next( it ) ) != NULL ) { CNetCom* pNc = (*it); // Erase this session if invalid if ( !pNc || !pNc->IsValid() ) { bChanged = TRUE; it = RemoveNode( it ); } // end if } // end while return bChanged; }
long CNetCom::NetMsg( LPVOID pData, WPARAM wParam, LPARAM lParam ) {_STT(); // Get a pointer to the class CNetCom *pNc = (CNetCom*)pData; if ( pNc == NULL ) return FALSE; // Let the instance handle it return pNc->OnNetMsg( wParam, lParam ); }
long CNetMgr::OnNetMsg(WPARAM wParam, LPARAM lParam, const GUID *pGuid) {_STT(); CNetCom *pNc = (CNetCom*)lParam; if ( pNc == NULL ) return E_FAIL; // Authenticate the connection if ( !OnAuthenticate( pNc ) ) return E_FAIL; // Hook NetCmd messages if ( pGuid != NULL && IsEqualGUID( NetCmd::IID, *pGuid ) ) { // Save network error if any if ( pNc->GetNetError() ) SetNetError( pNc->GetNetError() ); // Cleanup if node is disconnecting // +++ This doesn't work because it causes the calling // class to delete itself. For now, Cleanup() must be // called from the outside. This is just to remind me // to come up with something. // if ( wParam == NetCmd::efDisconnect ) Cleanup(); } // end if // Check for update request if ( ( wParam & CNetMsg::fWantUpdate ) != 0 ) { AddUpdateNotification( pNc->Tx()->GetConnectionId(), pGuid, wParam & CNetMsg::fMask ); } // end if // Check for remove notification command if ( ( wParam & CNetMsg::fCancelUpdate ) != 0 ) { RemoveUpdateNotification( pNc->Tx()->GetConnectionId(), pGuid, wParam & CNetMsg::fMask ); // Don't process this message return S_OK; } // end if // Turn off internal flags wParam &= CNetMsg::fCmdMask; pNc->SMsg().dwFunction &= CNetMsg::fCmdMask; // Pass on the message return MMessage( wParam, lParam, pGuid ); }
BOOL CNetCmd::vMsg( const GUID *pNode, const GUID *pClass, DWORD dwFunction, CReg *pParams, DWORD dwBuffers, LPVOID *pArgs ) {_STT(); // Verify we have authority to send this message if ( !OnTxAuthenticate( pNode, pClass, dwFunction ) ) return FALSE; // Get destination CNetCom *pNc = GetNode( pNode ); if ( pNc == NULL || !pNc->IsValid() ) return FALSE; // Copy message data CNetMsg::SMsg msg; ZeroMemory( &msg, sizeof( msg ) ); msg.dwFunction = dwFunction; // Encode params CPipe params; if ( pParams ) pParams->SaveRegFile( ¶ms, NULL, "" ); // Calculate the total size needed DWORD dwBlocks = 3; if ( params.GetBufferSize() ) dwBlocks++; DWORD dwTotalSize = ( sizeof( CNetMsg::SAddress ) * 2 ) + sizeof( CNetMsg::SMsg ) + params.GetBufferSize(); DWORD i; LPVOID *ptrExtra = pArgs; for ( i = 0; i < dwBuffers; i++ ) { RULIB_TRY { DWORD dwType = *(LPDWORD)( ptrExtra ); LPBYTE pPtr = *(LPBYTE*)( ptrExtra + 1 ); DWORD dwSize = *(LPDWORD)( ptrExtra + 2 ); dwBlocks++; // Zero means NULL terminated if ( dwSize == 0 && pPtr != NULL ) dwSize = strlen( (LPCTSTR)pPtr ); dwTotalSize += dwSize; ptrExtra += 3; } // end try RULIB_CATCH_ALL { return FALSE; } } // end for // Lock the tx buffer CTlLocalLock ll( *pNc->Tx() ); if ( !ll.IsLocked() ) return FALSE; // Initialze the packet pNc->Tx()->InitPacket( NETMSG_PACKETTYPE, dwBlocks, dwTotalSize ); CNetMsg::SAddress addr; // Destination information memcpy( &addr.guidNode, pNc->Rx()->Address(), sizeof( GUID ) ); if ( pClass ) memcpy( &addr.guidClass, pClass, sizeof( GUID ) ); else ZeroMemory( &addr.guidClass, sizeof( addr.guidClass ) ); pNc->Tx()->AddPacketData( NETMSGDT_DSTADDRESS, &addr, sizeof( addr ) ); // Source information memcpy( &addr.guidNode, pNc->Tx()->Address(), sizeof( GUID ) ); ZeroMemory( &addr.guidClass, sizeof( addr.guidClass ) ); pNc->Tx()->AddPacketData( NETMSGDT_SRCADDRESS, &addr, sizeof( addr ) ); // Add message pNc->Tx()->AddPacketData( NETMSGDT_MSG, &msg, sizeof( msg ) ); // Add params if any if ( params.GetBufferSize() ) pNc->Tx()->AddPacketData( NETMSGDT_PARAMS, params.GetBuffer(), params.GetBufferSize() ); // Add the data to the packet ptrExtra = pArgs; for ( i = 0; i < dwBuffers; i++ ) { RULIB_TRY { DWORD dwType = *(LPDWORD)( ptrExtra ); LPBYTE pPtr = *(LPBYTE*)( ptrExtra + 1 ); DWORD dwSize = *(LPDWORD)( ptrExtra + 2 ); // Zero means NULL terminated if ( dwSize == 0 && pPtr != NULL ) dwSize = strlen( (LPCTSTR)pPtr ); // Add packet data block pNc->Tx()->AddPacketData( dwType, pPtr, dwSize ); ptrExtra += 3; } // end try RULIB_CATCH_ALL { return FALSE; } } // end for // Make it official return pNc->Tx()->EndPacket(); }