--- /dev/null
+/*****************************************************************************
+ * ntservice.c: Windows NT/2K/XP service interface
+ *****************************************************************************
+ * Copyright (C) 2001 VideoLAN
+ * $Id: ntservice.c,v 1.1 2003/08/13 23:26:55 gbazin Exp $
+ *
+ * Authors: Gildas Bazin <gbazin@netcourrier.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+
+#define VLCSERVICENAME "VLC media player"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Activate( vlc_object_t * );
+static void Close ( vlc_object_t * );
+
+#define INSTALL_TEXT N_( "Install NT/2K/XP service" )
+#define INSTALL_LONGTEXT N_( \
+ "If enabled the interface will install the service and exit." )
+#define UNINSTALL_TEXT N_( "Uninstall NT/2K/XP service" )
+#define UNINSTALL_LONGTEXT N_( \
+ "If enabled the interface will uninstall the service and exit." )
+#define NAME_TEXT N_( "Display name of the service" )
+#define NAME_LONGTEXT N_( \
+ "This allows you to change the display name of the service." )
+
+vlc_module_begin();
+ set_description( _("Windows NT/2K/XP service interface") );
+ add_category_hint( N_("NT service"), NULL, VLC_TRUE );
+ add_bool( "ntservice-install", 0, NULL, INSTALL_TEXT, INSTALL_LONGTEXT, VLC_TRUE );
+ add_bool( "ntservice-uninstall", 0, NULL, INSTALL_TEXT, INSTALL_LONGTEXT, VLC_TRUE );
+ add_string ( "ntservice-name", VLCSERVICENAME, NULL, NAME_TEXT, NAME_LONGTEXT, VLC_TRUE );
+
+ set_capability( "interface", 0 );
+ set_callbacks( Activate, Close );
+vlc_module_end();
+
+struct intf_sys_t
+{
+ SERVICE_STATUS_HANDLE hStatus;
+ SERVICE_STATUS status;
+ char *psz_service;
+};
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static void Run( intf_thread_t *p_intf );
+static int NTServiceInstall( intf_thread_t *p_intf );
+static int NTServiceUninstall( intf_thread_t *p_intf );
+static void WINAPI ServiceDispatch( DWORD numArgs, char **args );
+static void WINAPI ServiceCtrlHandler( DWORD control );
+
+/* We need this global */
+static intf_thread_t *p_global_intf;
+
+/*****************************************************************************
+ * Activate: initialize and create stuff
+ *****************************************************************************/
+static int Activate( vlc_object_t *p_this )
+{
+ intf_thread_t *p_intf = (intf_thread_t*)p_this;
+
+ /* Only works on NT/2K/XP */
+ if( !IS_WINNT ) return VLC_EGENERIC;
+
+ p_intf->pf_run = Run;
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close: destroy interface
+ *****************************************************************************/
+void Close( vlc_object_t *p_this )
+{
+}
+
+/*****************************************************************************
+ * Run: interface thread
+ *****************************************************************************/
+static void Run( intf_thread_t *p_intf )
+{
+ SERVICE_TABLE_ENTRY dispatchTable[] =
+ {
+ { VLCSERVICENAME, &ServiceDispatch },
+ { NULL, NULL }
+ };
+
+ p_global_intf = p_intf;
+ p_intf->p_sys = alloca( sizeof( intf_sys_t ) );
+ p_intf->p_sys->psz_service = config_GetPsz( p_intf, "ntservice-name" );
+ p_intf->p_sys->psz_service = p_intf->p_sys->psz_service ?
+ p_intf->p_sys->psz_service : strdup(VLCSERVICENAME);
+
+ if( config_GetInt( p_intf, "ntservice-install" ) )
+ {
+ NTServiceInstall( p_intf );
+ return;
+ }
+
+ if( config_GetInt( p_intf, "ntservice-uninstall" ) )
+ {
+ NTServiceUninstall( p_intf );
+ return;
+ }
+
+ if( StartServiceCtrlDispatcher( dispatchTable ) == 0 )
+ {
+ msg_Err( p_intf, "StartServiceCtrlDispatcher failed" );
+ }
+
+ free( p_intf->p_sys->psz_service );
+
+ /* Make sure we exit (In case other interfaces have been spawned) */
+ p_intf->p_vlc->b_die = VLC_TRUE;
+}
+
+/*****************************************************************************
+ * NT Service utility functions
+ *****************************************************************************/
+static int NTServiceInstall( intf_thread_t *p_intf )
+{
+ intf_sys_t *p_sys = p_intf->p_sys;
+ char psz_path[MAX_PATH], psz_pathtmp[MAX_PATH];
+ SC_HANDLE handle = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
+ if( handle == NULL )
+ {
+ msg_Err( p_intf, "Could not connect to SCM database" );
+ return VLC_EGENERIC;
+ }
+
+ /* Find out the filename of ourselves so we can install it to the
+ * service control manager */
+ GetModuleFileName( NULL, psz_pathtmp, MAX_PATH );
+ sprintf( psz_path, "\"%s\" -I "MODULE_STRING, psz_pathtmp );
+
+ SC_HANDLE service =
+ CreateService( handle, p_sys->psz_service, p_sys->psz_service,
+ GENERIC_READ | GENERIC_EXECUTE,
+ SERVICE_WIN32_OWN_PROCESS,
+ SERVICE_AUTO_START, SERVICE_ERROR_IGNORE,
+ psz_path, NULL, NULL, NULL, NULL, NULL );
+ if( service == NULL )
+ {
+ if( GetLastError() != ERROR_SERVICE_EXISTS )
+ {
+ msg_Err( p_intf, "Could not create new service" );
+ CloseServiceHandle( handle );
+ return VLC_EGENERIC;
+ }
+ else
+ {
+ msg_Warn( p_intf, "Service already exists" );
+ }
+ }
+ else
+ {
+ msg_Warn( p_intf, "Service successfuly created" );
+ }
+
+ if( service ) CloseServiceHandle( service );
+ CloseServiceHandle( handle );
+
+ return VLC_SUCCESS;
+}
+
+static int NTServiceUninstall( intf_thread_t *p_intf )
+{
+ intf_sys_t *p_sys = p_intf->p_sys;
+
+ SC_HANDLE handle = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
+ if( handle == NULL )
+ {
+ msg_Err( p_intf, "Could not connect to SCM database" );
+ return VLC_EGENERIC;
+ }
+
+ /* First, open a handle to the service */
+ SC_HANDLE service = OpenService( handle, p_sys->psz_service, DELETE );
+ if( service == NULL )
+ {
+ msg_Err( p_intf, "Could not open service" );
+ CloseServiceHandle( handle );
+ return VLC_EGENERIC;
+ }
+
+ /* Remove the service */
+ if( !DeleteService( service ) )
+ {
+ msg_Err( p_intf, "Could not delete service" );
+ }
+ else
+ {
+ msg_Dbg( p_intf, "Service deleted successfuly" );
+ }
+
+ CloseServiceHandle( service );
+ CloseServiceHandle( handle );
+
+ return VLC_SUCCESS;
+}
+
+static void WINAPI ServiceDispatch( DWORD numArgs, char **args )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_global_intf;
+ intf_sys_t *p_sys = p_intf->p_sys;
+
+ /* We have to initialize the service-specific stuff */
+ memset( &p_sys->status, 0, sizeof(SERVICE_STATUS) );
+ p_sys->status.dwServiceType = SERVICE_WIN32;
+ p_sys->status.dwCurrentState = SERVICE_START_PENDING;
+ p_sys->status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
+
+ p_sys->hStatus =
+ RegisterServiceCtrlHandler( p_sys->psz_service, &ServiceCtrlHandler );
+ if( p_sys->hStatus == (SERVICE_STATUS_HANDLE)0 )
+ {
+ msg_Err( p_intf, "Failed to register service control handler" );
+ return;
+ }
+
+ /* Initialization complete - report running status */
+ p_sys->status.dwCurrentState = SERVICE_RUNNING;
+ p_sys->status.dwCheckPoint = 0;
+ p_sys->status.dwWaitHint = 0;
+
+ SetServiceStatus( p_sys->hStatus, &p_sys->status );
+}
+
+static void WINAPI ServiceCtrlHandler( DWORD control )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_global_intf;
+ intf_sys_t *p_sys = p_intf->p_sys;
+
+ switch( control )
+ {
+ case SERVICE_CONTROL_SHUTDOWN:
+ case SERVICE_CONTROL_STOP:
+ p_sys->status.dwCurrentState = SERVICE_STOPPED;
+ p_sys->status.dwWin32ExitCode = 0;
+ p_sys->status.dwCheckPoint = 0;
+ p_sys->status.dwWaitHint = 0;
+ break;
+ case SERVICE_CONTROL_INTERROGATE:
+ /* just set the current state to whatever it is... */
+ break;
+ }
+
+ SetServiceStatus( p_sys->hStatus, &p_sys->status );
+}
projects / vlc / commitdiff