457 lines
11 KiB
C
457 lines
11 KiB
C
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/*********************************************************************/
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/** Copyright(c) 1995 Microsoft Corporation. **/
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/*********************************************************************/
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//***
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//
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// Filename: routerif.c
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//
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// Description: Handles calls to/from the router managers.
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//
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// History: May 11,1995 NarenG Created original version.
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//
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#include "dimsvcp.h"
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#define DIM_VALNAME_INTERFACE TEXT("InterfaceInfo")
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#define DIM_VALNAME_GLOBALINFO TEXT("GlobalInfo")
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//**
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//
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// Call: DIMConnectInterface
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//
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// Returns: NO_ERROR - Already connected
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// PENDING - Connection initiated successfully
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// error code - Connection initiation failure
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//
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// Description: Called by a router manager to intiate a connection.
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//
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DWORD
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DIMConnectInterface(
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IN HANDLE hDIMInterface,
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IN DWORD dwProtocolId
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)
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{
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if ( ( gblDIMConfigInfo.ServiceStatus.dwCurrentState != SERVICE_RUNNING )
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( !( gbldwDIMComponentsLoaded & DIM_DDM_LOADED ) ) )
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{
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return( ERROR_DDM_NOT_RUNNING );
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}
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if ( gblDIMConfigInfo.dwRouterRole == ROUTER_ROLE_LAN )
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{
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return( ERROR_DDM_NOT_RUNNING );
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}
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else
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{
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DWORD (*DDMConnectInterface)( HANDLE, DWORD ) =
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(DWORD(*)( HANDLE, DWORD ))GetDDMEntryPoint("DDMConnectInterface");
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if(NULL == DDMConnectInterface)
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{
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return ERROR_PROC_NOT_FOUND;
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}
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return( DDMConnectInterface( hDIMInterface, dwProtocolId ) );
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}
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}
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//**
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//
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// Call: DIMDisconnectInterface
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//
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// Returns: NO_ERROR - Already disconnected
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// PENDING - Disconnection initiated successfully
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// error code - Disconnection initiation failure
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//
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// Description: Called by a router manager to intiate a disconnection.
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//
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DWORD
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DIMDisconnectInterface(
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IN HANDLE hDIMInterface,
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IN DWORD dwProtocolId
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)
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{
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if ( gblDIMConfigInfo.ServiceStatus.dwCurrentState != SERVICE_RUNNING )
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{
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return( ERROR_DDM_NOT_RUNNING );
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}
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if ( gblDIMConfigInfo.dwRouterRole == ROUTER_ROLE_LAN )
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{
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return( ERROR_DDM_NOT_RUNNING );
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}
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else
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{
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DWORD (*DDMDisconnectInterface)( HANDLE, DWORD ) =
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(DWORD(*)(HANDLE,DWORD ))GetDDMEntryPoint("DDMDisconnectInterface");
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if(NULL == DDMDisconnectInterface)
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{
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return ERROR_PROC_NOT_FOUND;
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}
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return( DDMDisconnectInterface( hDIMInterface, dwProtocolId ) );
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}
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}
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//**
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//
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// Call: DIMSaveInterfaceInfo
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//
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// Returns: none
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//
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// Description: This call will make DIM store the interface information
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// into the registry.
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//
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DWORD
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DIMSaveInterfaceInfo(
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IN HANDLE hDIMInterface,
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IN DWORD dwProtocolId,
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IN LPVOID pInterfaceInfo,
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IN DWORD cbInterfaceInfoSize
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)
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{
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HKEY hKey = NULL;
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DWORD dwRetCode = NO_ERROR;
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ROUTER_INTERFACE_OBJECT * pIfObject = NULL;
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if ((gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOP_PENDING)
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(gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOPPED) )
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{
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return( ERROR_DDM_NOT_RUNNING );
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}
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EnterCriticalSection( &(gblInterfaceTable.CriticalSection) );
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do
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{
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if ( ( pIfObject = IfObjectGetPointer( hDIMInterface ) ) == NULL )
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{
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dwRetCode = ERROR_INVALID_HANDLE;
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break;
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}
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dwRetCode = RegOpenAppropriateKey( pIfObject->lpwsInterfaceName,
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dwProtocolId,
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&hKey);
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if ( dwRetCode != NO_ERROR )
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{
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break;
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}
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dwRetCode = RegSetValueEx(
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hKey,
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DIM_VALNAME_INTERFACE,
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0,
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REG_BINARY,
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pInterfaceInfo,
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cbInterfaceInfoSize );
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} while( FALSE );
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LeaveCriticalSection( &(gblInterfaceTable.CriticalSection) );
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if ( hKey != NULL )
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{
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RegCloseKey( hKey );
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}
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return( dwRetCode );
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}
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//**
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//
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// Call: DIMRestoreInterfaceInfo
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//
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// Returns: none
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//
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// Description: This will make DIM get interface information from the registry
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//
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DWORD
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DIMRestoreInterfaceInfo(
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IN HANDLE hDIMInterface,
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IN DWORD dwProtocolId,
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IN LPVOID lpInterfaceInfo,
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IN LPDWORD lpcbInterfaceInfoSize
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)
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{
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DWORD dwType;
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HKEY hKey = NULL;
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DWORD dwRetCode = NO_ERROR;
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ROUTER_INTERFACE_OBJECT * pIfObject = NULL;
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if ((gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOP_PENDING)
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(gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOPPED) )
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{
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return( ERROR_DDM_NOT_RUNNING );
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}
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EnterCriticalSection( &(gblInterfaceTable.CriticalSection) );
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do
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{
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if ( ( pIfObject = IfObjectGetPointer( hDIMInterface ) ) == NULL )
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{
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dwRetCode = ERROR_INVALID_HANDLE;
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break;
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}
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dwRetCode = RegOpenAppropriateKey( pIfObject->lpwsInterfaceName,
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dwProtocolId,
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&hKey);
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if ( dwRetCode != NO_ERROR )
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{
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break;
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}
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dwRetCode = RegQueryValueEx(
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hKey,
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DIM_VALNAME_INTERFACE,
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0,
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&dwType,
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lpInterfaceInfo,
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lpcbInterfaceInfoSize );
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} while( FALSE );
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LeaveCriticalSection( &(gblInterfaceTable.CriticalSection) );
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if ( hKey != NULL )
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{
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RegCloseKey( hKey );
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}
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if ( dwRetCode != NO_ERROR )
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{
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return( dwRetCode );
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}
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else if ( lpInterfaceInfo == NULL )
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{
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return( ERROR_BUFFER_TOO_SMALL );
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}
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else
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{
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return( NO_ERROR );
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}
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}
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//**
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//
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// Call: DIMSaveGlobalInfo
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//
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// Returns: none
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//
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// Description: This call will make DIM store the Global information
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// into the registry.
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//
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DWORD
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DIMSaveGlobalInfo(
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IN DWORD dwProtocolId,
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IN LPVOID pGlobalInfo,
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IN DWORD cbGlobalInfoSize
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)
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{
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HKEY hKey = NULL;
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DWORD dwRetCode = NO_ERROR;
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if ((gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOP_PENDING)
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(gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOPPED) )
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{
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return( ERROR_DDM_NOT_RUNNING );
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}
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do
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{
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dwRetCode = RegOpenAppropriateRMKey(dwProtocolId, &hKey);
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if ( dwRetCode != NO_ERROR )
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{
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break;
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}
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dwRetCode = RegSetValueEx(
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hKey,
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DIM_VALNAME_GLOBALINFO,
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0,
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REG_BINARY,
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pGlobalInfo,
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cbGlobalInfoSize );
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} while( FALSE );
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if ( hKey != NULL )
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{
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RegCloseKey( hKey );
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}
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return( dwRetCode );
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}
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//**
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//
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// Call: DIMRouterStopped
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//
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// Returns: None
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//
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// Description: If the Router failed to start or stopped due to an error,
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// This call should be called with the dwError value set to
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// something other than NO_ERROR
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//
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VOID
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DIMRouterStopped(
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IN DWORD dwProtocolId,
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IN DWORD dwError
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)
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{
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DWORD dwTransportIndex = GetTransportIndex(dwProtocolId);
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RTASSERT( dwTransportIndex != (DWORD)-1 );
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gblRouterManagers[dwTransportIndex].fIsRunning = FALSE;
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TracePrintfExA( gblDIMConfigInfo.dwTraceId, DIM_TRACE_FLAGS,
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"DIMRouterStopped called by protocol 0x%x", dwProtocolId );
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SetEvent( gblhEventRMState );
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}
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//**
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//
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// Call: DimUnloadRouterManagers
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//
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// Returns: none
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//
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// Description: Will block until all the router managers have unloaded
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//
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VOID
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DimUnloadRouterManagers(
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VOID
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)
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{
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DWORD dwIndex;
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DWORD dwRetCode;
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BOOL fAllRouterManagersStopped;
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if ( gblRouterManagers == NULL )
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{
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return;
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}
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for ( dwIndex = 0;
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dwIndex < gblDIMConfigInfo.dwNumRouterManagers;
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dwIndex++ )
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{
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if ( gblRouterManagers[dwIndex].fIsRunning )
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{
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dwRetCode = gblRouterManagers[dwIndex].DdmRouterIf.StopRouter();
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if ( ( dwRetCode != NO_ERROR ) && ( dwRetCode != PENDING ) )
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{
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gblRouterManagers[dwIndex].fIsRunning = FALSE;
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}
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}
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}
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do
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{
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fAllRouterManagersStopped = TRUE;
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for ( dwIndex = 0;
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dwIndex < gblDIMConfigInfo.dwNumRouterManagers;
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dwIndex++ )
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{
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if ( gblRouterManagers[dwIndex].fIsRunning == TRUE )
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{
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fAllRouterManagersStopped = FALSE;
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}
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}
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if ( fAllRouterManagersStopped )
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{
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TracePrintfExA(gblDIMConfigInfo.dwTraceId, DIM_TRACE_FLAGS,
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"DimUnloadRouterManagers: fAllRouterManagersStopped");
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break;
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}
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WaitForSingleObject( gblhEventRMState, INFINITE );
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}while(TRUE);
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for ( dwIndex = 0;
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dwIndex < gblDIMConfigInfo.dwNumRouterManagers;
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dwIndex++ )
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{
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if ( gblRouterManagers[dwIndex].hModule != NULL )
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{
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FreeLibrary( gblRouterManagers[dwIndex].hModule );
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}
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}
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LOCAL_FREE( gblRouterManagers );
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gblRouterManagers = NULL;
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}
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//**
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//
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// Call: DIMInterfaceEnabled
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//
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// Returns: none
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|||
|
|
//
|
|||
|
|
// Description: This will set the state of a certain transport for the interface
|
|||
|
|
//
|
|||
|
|
DWORD
|
|||
|
|
DIMInterfaceEnabled(
|
|||
|
|
IN HANDLE hDIMInterface,
|
|||
|
|
IN DWORD dwProtocolId,
|
|||
|
|
IN BOOL fEnabled
|
|||
|
|
)
|
|||
|
|
{
|
|||
|
|
DWORD dwRetCode = NO_ERROR;
|
|||
|
|
ROUTER_INTERFACE_OBJECT* pIfObject = NULL;
|
|||
|
|
DWORD dwTransportIndex = GetTransportIndex(dwProtocolId);
|
|||
|
|
|
|||
|
|
if ((gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOP_PENDING)
|
|||
|
|
||
|
|||
|
|
(gblDIMConfigInfo.ServiceStatus.dwCurrentState==SERVICE_STOPPED) )
|
|||
|
|
{
|
|||
|
|
return( ERROR_DDM_NOT_RUNNING );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
RTASSERT( dwTransportIndex != (DWORD)-1 );
|
|||
|
|
|
|||
|
|
EnterCriticalSection( &(gblInterfaceTable.CriticalSection) );
|
|||
|
|
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
if ( ( pIfObject = IfObjectGetPointer( hDIMInterface ) ) == NULL )
|
|||
|
|
{
|
|||
|
|
dwRetCode = ERROR_INVALID_HANDLE;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ( fEnabled )
|
|||
|
|
{
|
|||
|
|
pIfObject->Transport[dwTransportIndex].fState|=RITRANSPORT_ENABLED;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
pIfObject->Transport[dwTransportIndex].fState&=~RITRANSPORT_ENABLED;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
} while( FALSE );
|
|||
|
|
|
|||
|
|
LeaveCriticalSection( &(gblInterfaceTable.CriticalSection) );
|
|||
|
|
|
|||
|
|
return( dwRetCode );
|
|||
|
|
}
|