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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cloud_print/service/win/cloud_print_service.h"
#include "base/win/scoped_handle.h"
#include "cloud_print/service/win/resource.h"
// The traits class for Windows Service.
class ServiceHandleTraits {
public:
typedef SC_HANDLE Handle;
// Closes the handle.
static bool CloseHandle(Handle handle) {
return ::CloseServiceHandle(handle) != FALSE;
}
static bool IsHandleValid(Handle handle) {
return handle != NULL;
}
static Handle NullHandle() {
return NULL;
}
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(ServiceHandleTraits);
};
typedef base::win::GenericScopedHandle<ServiceHandleTraits> ServiceHandle;
HRESULT HResultFromLastError() {
HRESULT hr = HRESULT_FROM_WIN32(GetLastError());
// Something already failed if function called.
if (SUCCEEDED(hr))
hr = E_FAIL;
return hr;
}
class CloudPrintServiceModule
: public ATL::CAtlServiceModuleT<CloudPrintServiceModule, IDS_SERVICENAME> {
public:
typedef ATL::CAtlServiceModuleT<CloudPrintServiceModule,
IDS_SERVICENAME> Base;
DECLARE_REGISTRY_APPID_RESOURCEID(IDR_CLOUDPRINTSERVICE,
"{8013FB7C-2E3E-4992-B8BD-05C0C4AB0627}")
HRESULT InitializeSecurity() {
// TODO(gene): Check if we need to call CoInitializeSecurity and provide
// the appropriate security settings for service.
return S_OK;
}
// Override to set autostart and start service.
HRESULT RegisterAppId(bool bService = false) {
HRESULT hr = Base::RegisterAppId(bService);
if (FAILED(hr))
return hr;
ServiceHandle service;
hr = OpenService(SERVICE_CHANGE_CONFIG, &service);
if (FAILED(hr))
return hr;
if (!::ChangeServiceConfig(service, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_ERROR_NORMAL, NULL, NULL, NULL, NULL,
L"NT AUTHORITY\\LocalService", NULL, NULL)) {
return HResultFromLastError();
}
return S_OK;
}
// Override to handle service uninstall case manually.
bool ParseCommandLine(LPCTSTR lpCmdLine, HRESULT* pnRetCode) {
if (!Base::ParseCommandLine(lpCmdLine, pnRetCode))
return false;
const wchar_t tokens[] = L"-/";
*pnRetCode = S_OK;
for (const wchar_t* cur = lpCmdLine; cur = FindOneOf(cur, tokens);) {
if (WordCmpI(cur, L"UninstallService") == 0) {
if (!Uninstall())
*pnRetCode = E_FAIL;
return false;
} else if (WordCmpI(cur, L"Start") == 0) {
*pnRetCode = StartService();
return false;
} else if (WordCmpI(cur, L"Stop") == 0) {
*pnRetCode = StopService();
return false;
}
}
return true;
}
HRESULT PreMessageLoop(int nShowCmd) {
HRESULT hr = Base::PreMessageLoop(nShowCmd);
if (FAILED(hr))
return hr;
hr = StartConnector();
if (FAILED(hr))
return hr;
LogEvent(_T("Service started/resumed"));
SetServiceStatus(SERVICE_RUNNING);
return hr;
}
HRESULT PostMessageLoop() {
StopConnector();
return Base::PostMessageLoop();
}
private:
HRESULT OpenService(DWORD access, ServiceHandle* service) {
if (!service)
return E_POINTER;
ServiceHandle scm(::OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS));
if (!scm.IsValid())
return HResultFromLastError();
service->Set(::OpenService(scm, m_szServiceName, access));
if (!service->IsValid())
return HResultFromLastError();
return S_OK;
}
HRESULT StartService() {
ServiceHandle service;
HRESULT hr = OpenService(SERVICE_START, &service);
if (FAILED(hr))
return hr;
if (!::StartService(service, 0, NULL))
return HResultFromLastError();
return S_OK;
}
HRESULT StopService() {
ServiceHandle service;
HRESULT hr = OpenService(SERVICE_STOP, &service);
if (FAILED(hr))
return hr;
SERVICE_STATUS status = {0};
if (!::ControlService(service, SERVICE_CONTROL_STOP, &status))
return HResultFromLastError();
return S_OK;
}
HRESULT StartConnector() {
return S_OK;
}
void StopConnector() {
}
};
CloudPrintServiceModule _AtlModule;
int WINAPI WinMain(__in HINSTANCE hInstance,
__in HINSTANCE hPrevInstance,
__in LPSTR lpCmdLine,
__in int nCmdShow) {
return _AtlModule.WinMain(nCmdShow);
}
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