dll/win32/qmgr/service.c

   1 /*
   2  * ServiceMain function for qmgr running within svchost
   3  *
   4  * Copyright 2007 (C) Google (Roy Shea)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "windef.h"
  22 #include "objbase.h"
  23 #include "winsvc.h"
  24 #include "bits.h"
  25
  26 #include "qmgr.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(qmgr);
  30
  31 HANDLE stop_event = NULL;
  32
  33 static SERVICE_STATUS_HANDLE status_handle;
  34 static SERVICE_STATUS status;
  35
  36 static VOID
  37 UpdateStatus(DWORD dwCurrentState, DWORD dwWin32ExitCode, DWORD dwWaitHint)
  38 {
  39     status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
  40     status.dwCurrentState = dwCurrentState;
  41     if (dwCurrentState == SERVICE_START_PENDING)
  42         status.dwControlsAccepted = 0;
  43     else
  44         status.dwControlsAccepted
  45             = (SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE
  46                | SERVICE_ACCEPT_SHUTDOWN);
  47     status.dwWin32ExitCode = 0;
  48     status.dwServiceSpecificExitCode = 0;
  49     status.dwCheckPoint = 0;
  50     status.dwWaitHint = dwWaitHint;
  51
  52     if (!SetServiceStatus(status_handle, &status)) {
  53         ERR("failed to set service status\n");
  54         SetEvent(stop_event);
  55     }
  56 }
  57
  58 /* Handle incoming ControlService signals */
  59 static DWORD WINAPI
  60 ServiceHandler(DWORD ctrl, DWORD event_type, LPVOID event_data, LPVOID context)
  61 {
  62     switch (ctrl) {
  63     case SERVICE_CONTROL_STOP:
  64     case SERVICE_CONTROL_SHUTDOWN:
  65         TRACE("shutting down service\n");
  66         UpdateStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
  67         SetEvent(stop_event);
  68         break;
  69     default:
  70         FIXME("ignoring handle service ctrl %x\n", ctrl);
  71         UpdateStatus(status.dwCurrentState, NO_ERROR, 0);
  72         break;
  73     }
  74
  75     return NO_ERROR;
  76 }
  77
  78 /* Main thread of the service */
  79 static BOOL
  80 StartCount(void)
  81 {
  82     HRESULT hr;
  83     DWORD dwReg;
  84
  85     TRACE("\n");
  86
  87     hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
  88     if (FAILED(hr))
  89         return FALSE;
  90
  91     hr = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_NONE,
  92                               RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE,
  93                               NULL);
  94     if (FAILED(hr))
  95         return FALSE;
  96
  97     hr = CoRegisterClassObject(&CLSID_BackgroundCopyManager,
  98                                (IUnknown *) &BITS_ClassFactory,
  99                                CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE,
 100                                &dwReg);
 101     if (FAILED(hr))
 102         return FALSE;
 103
 104     return TRUE;
 105 }
 106
 107 /* Service entry point */
 108 VOID WINAPI
 109 ServiceMain(DWORD dwArgc, LPWSTR *lpszArgv)
 110 {
 111     HANDLE fileTxThread;
 112     static const WCHAR qmgr_nameW[] = {'B','I','T','S',0};
 113     DWORD threadId;
 114     TRACE("\n");
 115
 116     stop_event = CreateEventW(NULL, TRUE, FALSE, NULL);
 117     if (!stop_event) {
 118         ERR("failed to create stop_event\n");
 119         return;
 120     }
 121
 122     status_handle = RegisterServiceCtrlHandlerExW(qmgr_nameW, ServiceHandler, NULL);
 123     if (!status_handle) {
 124         ERR("failed to register handler: %u\n", GetLastError());
 125         return;
 126     }
 127
 128     UpdateStatus(SERVICE_START_PENDING, NO_ERROR, 3000);
 129     if (!StartCount()) {
 130         ERR("failed starting service thread\n");
 131         UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
 132         return;
 133     }
 134
 135     globalMgr.jobEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
 136     if (!globalMgr.jobEvent) {
 137         ERR("Couldn't create event: error %d\n", GetLastError());
 138         UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
 139         return;
 140     }
 141
 142     fileTxThread = CreateThread(NULL, 0, fileTransfer, NULL, 0, &threadId);
 143     if (!fileTxThread)
 144     {
 145         ERR("Failed starting file transfer thread\n");
 146         UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
 147         return;
 148     }
 149
 150     UpdateStatus(SERVICE_RUNNING, NO_ERROR, 0);
 151
 152     WaitForSingleObject(fileTxThread, INFINITE);
 153     UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
 154     CloseHandle(stop_event);
 155     TRACE("service stoped\n");
 156
 157     CoUninitialize();
 158 }