445 lines
12 KiB
C
445 lines
12 KiB
C
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/*******************************************************************/
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/* Copyright(c) 1992 Microsoft Corporation */
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/*******************************************************************/
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//***
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//
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// Filename: closehnd.c
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//
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// Description: This module contains auxiliary procedures for the
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// supervisor's procedure-driven state machine that
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// handles device closing events.
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//
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// Author: Stefan Solomon (stefans) June 1, 1992.
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//
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//***
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#include "ddm.h"
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#include "handlers.h"
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#include "objects.h"
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#include <raserror.h>
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#include <ddmif.h>
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#include <util.h>
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#include "rasmanif.h"
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#include "isdn.h"
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#include "timer.h"
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#include <ntlsapi.h>
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#include <stdio.h>
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#include <stdlib.h>
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//***
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//
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// Function: DevStartClosing
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//
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// Descr:
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//
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//***
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VOID
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DevStartClosing(
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IN PDEVICE_OBJECT pDeviceObj
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)
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{
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PCONNECTION_OBJECT pConnObj;
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DDM_PRINT( gblDDMConfigInfo.dwTraceId, TRACE_FSM,
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"DevStartClosing: Entered, hPort=%d", pDeviceObj->hPort);
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//
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// Was this a failure for a BAP callback?
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//
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if ( pDeviceObj->fFlags & DEV_OBJ_BAP_CALLBACK )
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{
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PppDdmBapCallbackResult( pDeviceObj->hBapConnection,
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ERROR_PORT_DISCONNECTED );
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pDeviceObj->fFlags &= ~DEV_OBJ_BAP_CALLBACK;
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}
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//
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// If not disconnected, disconnect the line.
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//
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if( pDeviceObj->ConnectionState != DISCONNECTED )
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{
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if(( gblDDMConfigInfo.pServiceStatus->dwCurrentState ==
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SERVICE_STOP_PENDING) &&
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(!IsPortOwned(pDeviceObj)))
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{
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//
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// RAS service is stopping and we do not own the port
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// so just mark the state as DISCONNECTED
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//
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pDeviceObj->ConnectionState = DISCONNECTED;
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DDM_PRINT( gblDDMConfigInfo.dwTraceId, TRACE_FSM,
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"DevStartClosing:Disconnect not posted for biplx port%d",
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pDeviceObj->hPort);
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}
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else
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{
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RmDisconnect( pDeviceObj );
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}
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}
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//
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// If we are doing security dialog.
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//
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if ( pDeviceObj->SecurityState == DEV_OBJ_SECURITY_DIALOG_ACTIVE )
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{
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DDM_PRINT( gblDDMConfigInfo.dwTraceId, TRACE_FSM,
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"DevStartClosing:Notifying sec. dll to Disconnect");
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//
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// If this fails then we assume that this port has been cleaned up
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//
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if ( (*gblDDMConfigInfo.lpfnRasEndSecurityDialog)( pDeviceObj->hPort )
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!= NO_ERROR )
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{
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pDeviceObj->SecurityState = DEV_OBJ_SECURITY_DIALOG_INACTIVE;
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}
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else
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{
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pDeviceObj->SecurityState = DEV_OBJ_SECURITY_DIALOG_STOPPING;
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}
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}
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//
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// If authentication is active, stop it
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//
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pDeviceObj->fFlags &= (~DEV_OBJ_AUTH_ACTIVE);
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if ( ( pConnObj = ConnObjGetPointer( pDeviceObj->hConnection ) ) != NULL )
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{
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//
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// If our previous state has been active, get the time the user has been
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// active and log the result.
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//
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if (pDeviceObj->DeviceState == DEV_OBJ_ACTIVE)
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{
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LogConnectionEvent( pConnObj, pDeviceObj );
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}
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}
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//
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// If receive frame was active, stop it.
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//
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if ( pDeviceObj->fFlags & DEV_OBJ_RECEIVE_ACTIVE )
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{
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pDeviceObj->fFlags &= (~DEV_OBJ_RECEIVE_ACTIVE );
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}
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//
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// Stop timers. If no timer active, StopTimer still returns OK
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//
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TimerQRemove( (HANDLE)pDeviceObj->hPort, SvDiscTimeout );
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TimerQRemove( (HANDLE)pDeviceObj->hPort, SvAuthTimeout );
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TimerQRemove( (HANDLE)pDeviceObj->hPort, SvSecurityTimeout );
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//
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// Finally, change the state to closing
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//
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pDeviceObj->DeviceState = DEV_OBJ_CLOSING;
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//
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// If any any resources are still active, closing will have to wait
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// until all resources are released.
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// Check if everything has closed
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//
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DevCloseComplete( pDeviceObj );
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}
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//***
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//
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// Function: DevCloseComplete
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//
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// Description: Checks if there are still resources allocated.
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// If all cleaned up goes to next state
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//
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//***
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VOID
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DevCloseComplete(
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IN PDEVICE_OBJECT pDeviceObj
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)
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{
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BOOL fAuthClosed = FALSE;
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BOOL fRecvClosed = FALSE;
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BOOL fConnClosed = FALSE;
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BOOL fSecurityClosed = FALSE;
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BOOL fPppClosed = FALSE;
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PCONNECTION_OBJECT pConnObj = ConnObjGetPointer( pDeviceObj->hConnection );
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if ( !( pDeviceObj->fFlags & DEV_OBJ_AUTH_ACTIVE ) )
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{
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fAuthClosed = TRUE;
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}
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if ( !( pDeviceObj->fFlags & DEV_OBJ_RECEIVE_ACTIVE ) )
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{
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fRecvClosed = TRUE;
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}
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if ( !( pDeviceObj->fFlags & DEV_OBJ_PPP_IS_ACTIVE ) )
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{
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fPppClosed = TRUE;
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}
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//
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// Was this is the last link in the connection
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//
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if (pDeviceObj->ConnectionState == DISCONNECTED )
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{
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fConnClosed = TRUE;
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}
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if (pDeviceObj->SecurityState == DEV_OBJ_SECURITY_DIALOG_INACTIVE )
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{
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fSecurityClosed = TRUE;
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}
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DDM_PRINT( gblDDMConfigInfo.dwTraceId, TRACE_FSM,
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"DevCloseComplete:hPort=%d,Auth=%d,Rcv=%d,Conn=%d %d,Sec=%d %d,Ppp=%d",
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pDeviceObj->hPort,
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!fAuthClosed,
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!fRecvClosed,
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pConnObj ? 0 : 1,
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!fConnClosed,
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pDeviceObj->ConnectionState,
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pDeviceObj->SecurityState,
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!fPppClosed );
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if ( fAuthClosed &&
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fRecvClosed &&
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fConnClosed &&
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fSecurityClosed &&
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fPppClosed )
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{
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//
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// Was this the last link in the bundle? If it was we clean up
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//
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if ( pConnObj != NULL )
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{
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HPORT hPortConnected;
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//
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// Remove this link from the connection
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//
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ConnObjRemoveLink( pDeviceObj->hConnection, pDeviceObj );
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//
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// If admin module is loaded, notify it of a link disconnection
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//
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if ( ( pDeviceObj->fFlags & DEV_OBJ_NOTIFY_OF_DISCONNECTION ) &&
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( gblDDMConfigInfo.lpfnRasAdminLinkHangupNotification != NULL))
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{
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RAS_PORT_0 RasPort0;
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RAS_PORT_1 RasPort1;
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VOID (*MprAdminLinkHangupNotification)(RAS_PORT_0 *,
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RAS_PORT_1*);
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if ((GetRasPort0Data(pDeviceObj,&RasPort0) == NO_ERROR)
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&&
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(GetRasPort1Data(pDeviceObj,&RasPort1) == NO_ERROR))
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{
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MprAdminLinkHangupNotification =
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(VOID (*)( RAS_PORT_0 *, RAS_PORT_1 * ))
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gblDDMConfigInfo.lpfnRasAdminLinkHangupNotification;
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MprAdminLinkHangupNotification( &RasPort0, &RasPort1 );
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}
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}
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//
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// Confirm with RASMAN that there are no more ports in this
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// bundle. It may be that there is one but DDM has not gotten
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// a NewLink message from PPP yet.
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//
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if ( ( RasBundleGetPort( NULL, pConnObj->hConnection,
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&hPortConnected ) != NO_ERROR ) &&
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( pConnObj->cActiveDevices == 0 ) )
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{
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//
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// If admin module is loaded, notify it of disconnection
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//
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if ( pConnObj->fFlags & CONN_OBJ_NOTIFY_OF_DISCONNECTION )
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{
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ConnectionHangupNotification( pConnObj );
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}
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//
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// Remove the interface object if it is not a full router.
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//
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if ( pConnObj->hDIMInterface != INVALID_HANDLE_VALUE )
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{
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ROUTER_INTERFACE_OBJECT * pIfObject;
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EnterCriticalSection(
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&(gblpInterfaceTable->CriticalSection));
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pIfObject = IfObjectGetPointer( pConnObj->hDIMInterface );
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if ( pIfObject != NULL )
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{
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IfObjectDisconnected( pIfObject );
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if ( pIfObject->IfType != ROUTER_IF_TYPE_FULL_ROUTER )
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{
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IfObjectDeleteInterface( pIfObject );
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IfObjectRemove( pConnObj->hDIMInterface );
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}
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}
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LeaveCriticalSection(
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&(gblpInterfaceTable->CriticalSection));
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}
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//
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// Remove the Connection Object
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//
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ConnObjRemoveAndDeAllocate( pDeviceObj->hConnection );
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}
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}
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//
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// Release the media (if any) used by this port
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//
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if ( pDeviceObj->fFlags & DEV_OBJ_MARKED_AS_INUSE )
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{
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pDeviceObj->fFlags &= ~DEV_OBJ_MARKED_AS_INUSE;
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gblDeviceTable.NumDevicesInUse--;
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//
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// Increase media count for this device
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//
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if ( pDeviceObj->fFlags & DEV_OBJ_ALLOW_ROUTERS )
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{
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MediaObjAddToTable( pDeviceObj->wchDeviceType );
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}
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//
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// Possibly need to notify router managers of reachability
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// change
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//
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EnterCriticalSection( &(gblpInterfaceTable->CriticalSection) );
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IfObjectNotifyAllOfReachabilityChange( TRUE,
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INTERFACE_OUT_OF_RESOURCES );
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LeaveCriticalSection( &(gblpInterfaceTable->CriticalSection) );
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}
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//
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// Release any RasMan buffers if we have allocated them
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//
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if ( pDeviceObj->pRasmanSendBuffer != NULL )
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{
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RasFreeBuffer( pDeviceObj->pRasmanSendBuffer );
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pDeviceObj->pRasmanSendBuffer = NULL;
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}
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if ( pDeviceObj->pRasmanRecvBuffer != NULL )
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{
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RasFreeBuffer( pDeviceObj->pRasmanRecvBuffer );
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pDeviceObj->pRasmanRecvBuffer = NULL;
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}
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RasSetRouterUsage( pDeviceObj->hPort, FALSE );
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//
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// If we have gotten a PnP remove message, then discard this port
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//
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if ( pDeviceObj->fFlags & DEV_OBJ_PNP_DELETE )
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{
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//
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// We do this in a worker thread since this thread may be
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// walking the device list, hence we cannot modify it here.
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//
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RtlQueueWorkItem( DeviceObjRemoveFromTable,
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pDeviceObj->hPort,
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WT_EXECUTEDEFAULT );
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return;
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}
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else
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{
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//
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// Reset fields in this port device
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//
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pDeviceObj->hConnection = (HCONN)INVALID_HANDLE_VALUE;
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|
|
pDeviceObj->wchUserName[0] = (WCHAR)NULL;
|
|||
|
|
pDeviceObj->wchDomainName[0] = (WCHAR)NULL;
|
|||
|
|
pDeviceObj->wchCallbackNumber[0] = (WCHAR)NULL;
|
|||
|
|
pDeviceObj->fFlags &= (~DEV_OBJ_IS_PPP);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// switch to next state (based on the present service state)
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
switch ( gblDDMConfigInfo.pServiceStatus->dwCurrentState )
|
|||
|
|
{
|
|||
|
|
case SERVICE_RUNNING:
|
|||
|
|
case SERVICE_START_PENDING:
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// post a listen on the device
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
pDeviceObj->DeviceState = DEV_OBJ_LISTENING;
|
|||
|
|
RmListen(pDeviceObj);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case SERVICE_PAUSED:
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// wait for the service to be running again
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
pDeviceObj->DeviceState = DEV_OBJ_CLOSED;
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case SERVICE_STOP_PENDING:
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// this device has terminated. Announce the closure to
|
|||
|
|
// the central stop service coordinator
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
pDeviceObj->DeviceState = DEV_OBJ_CLOSED;
|
|||
|
|
DDMServiceStopComplete();
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
default:
|
|||
|
|
|
|||
|
|
RTASSERT(FALSE);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|