service.c 4.42 KB
Newer Older
Roy Shea's avatar
Roy Shea committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
/*
 * ServiceMain function for qmgr running within svchost
 *
 * Copyright 2007 (C) Google (Roy Shea)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "windef.h"
#include "winsvc.h"
#include "qmgr.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(qmgr);

28 29
HANDLE stop_event = NULL;

Roy Shea's avatar
Roy Shea committed
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84
static SERVICE_STATUS_HANDLE status_handle;
static SERVICE_STATUS status;

static VOID
UpdateStatus(DWORD dwCurrentState, DWORD dwWin32ExitCode, DWORD dwWaitHint)
{
    status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
    status.dwCurrentState = dwCurrentState;
    if (dwCurrentState == SERVICE_START_PENDING)
        status.dwControlsAccepted = 0;
    else
        status.dwControlsAccepted
            = (SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE
               | SERVICE_ACCEPT_SHUTDOWN);
    status.dwWin32ExitCode = 0;
    status.dwServiceSpecificExitCode = 0;
    status.dwCheckPoint = 0;
    status.dwWaitHint = dwWaitHint;

    if (!SetServiceStatus(status_handle, &status)) {
        ERR("failed to set service status\n");
        SetEvent(stop_event);
    }
}

/* Handle incoming ControlService signals */
static DWORD WINAPI
ServiceHandler(DWORD ctrl, DWORD event_type, LPVOID event_data, LPVOID context)
{
    switch (ctrl) {
    case SERVICE_CONTROL_STOP:
    case SERVICE_CONTROL_SHUTDOWN:
        TRACE("shutting down service\n");
        UpdateStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
        SetEvent(stop_event);
        break;
    default:
        FIXME("ignoring handle service ctrl %x\n", ctrl);
        UpdateStatus(status.dwCurrentState, NO_ERROR, 0);
        break;
    }

    return NO_ERROR;
}

/* Main thread of the service */
static BOOL
StartCount(void)
{
    HRESULT hr;
    DWORD dwReg;

    TRACE("\n");

    hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
85
    if (FAILED(hr))
Roy Shea's avatar
Roy Shea committed
86 87 88 89 90
        return FALSE;

    hr = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_NONE,
                              RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE,
                              NULL);
91
    if (FAILED(hr))
Roy Shea's avatar
Roy Shea committed
92 93 94
        return FALSE;

    hr = CoRegisterClassObject(&CLSID_BackgroundCopyManager,
95 96
                               (IUnknown *) &BITS_ClassFactory.IClassFactory_iface,
                               CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE, &dwReg);
97
    if (FAILED(hr))
Roy Shea's avatar
Roy Shea committed
98 99 100 101 102 103 104 105 106
        return FALSE;

    return TRUE;
}

/* Service entry point */
VOID WINAPI
ServiceMain(DWORD dwArgc, LPWSTR *lpszArgv)
{
107
    HANDLE fileTxThread;
108
    static const WCHAR qmgr_nameW[] = {'B','I','T','S',0};
109
    DWORD threadId;
Roy Shea's avatar
Roy Shea committed
110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
    TRACE("\n");

    stop_event = CreateEventW(NULL, TRUE, FALSE, NULL);
    if (!stop_event) {
        ERR("failed to create stop_event\n");
        return;
    }

    status_handle = RegisterServiceCtrlHandlerExW(qmgr_nameW, ServiceHandler, NULL);
    if (!status_handle) {
        ERR("failed to register handler: %u\n", GetLastError());
        return;
    }

    UpdateStatus(SERVICE_START_PENDING, NO_ERROR, 3000);
    if (!StartCount()) {
        ERR("failed starting service thread\n");
        UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
        return;
    }

131 132 133 134 135 136 137 138 139 140 141 142 143 144 145
    globalMgr.jobEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
    if (!globalMgr.jobEvent) {
        ERR("Couldn't create event: error %d\n", GetLastError());
        UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
        return;
    }

    fileTxThread = CreateThread(NULL, 0, fileTransfer, NULL, 0, &threadId);
    if (!fileTxThread)
    {
        ERR("Failed starting file transfer thread\n");
        UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
        return;
    }

Roy Shea's avatar
Roy Shea committed
146 147
    UpdateStatus(SERVICE_RUNNING, NO_ERROR, 0);

148
    WaitForSingleObject(fileTxThread, INFINITE);
Roy Shea's avatar
Roy Shea committed
149 150
    UpdateStatus(SERVICE_STOPPED, NO_ERROR, 0);
    CloseHandle(stop_event);
151
    TRACE("service stopped\n");
152 153

    CoUninitialize();
Roy Shea's avatar
Roy Shea committed
154
}