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// ntservice.cpp
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "stdafx.h"
#include "ntservice.h"
#include <direct.h>
#if defined(_WIN32)
namespace mongo {
void shutdown();
SERVICE_STATUS_HANDLE ServiceController::_statusHandle = null;
std::wstring ServiceController::_serviceName;
ServiceCallback ServiceController::_serviceCallback = null;
ServiceController::ServiceController() {
}
bool ServiceController::installService( const std::wstring& serviceName, const std::wstring& displayName, const std::wstring& serviceDesc, int argc, char* argv[] ) {
assert(argc >= 1);
stringstream commandLine;
if ( strchr(argv[0], ':') ) { // a crude test for fully qualified path
commandLine << '"' << argv[0] << "\" ";
} else {
char buffer[256];
assert( _getcwd(buffer, 256) );
commandLine << '"' << buffer << '\\' << argv[0] << "\" ";
}
for ( int i = 1; i < argc; i++ ) {
std::string arg( argv[ i ] );
// replace install command to indicate process is being started as a service
if ( arg == "--install" )
arg = "--service";
commandLine << arg << " ";
}
SC_HANDLE schSCManager = ::OpenSCManager( null, null, SC_MANAGER_ALL_ACCESS );
if ( schSCManager == null )
return false;
std::basic_ostringstream< TCHAR > commandLineWide;
commandLineWide << commandLine.str().c_str();
// create new service
SC_HANDLE schService = ::CreateService( schSCManager, serviceName.c_str(), displayName.c_str(),
SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
commandLineWide.str().c_str(), null, null, L"\0\0", null, null );
if ( schService == null ) {
::CloseServiceHandle( schSCManager );
return false;
}
SERVICE_DESCRIPTION serviceDescription;
serviceDescription.lpDescription = (LPTSTR)serviceDesc.c_str();
// set new service description
bool serviceInstalled = ::ChangeServiceConfig2( schService, SERVICE_CONFIG_DESCRIPTION, &serviceDescription );
if ( serviceInstalled ) {
SC_ACTION aActions[ 3 ] = { { SC_ACTION_RESTART, 0 }, { SC_ACTION_RESTART, 0 }, { SC_ACTION_RESTART, 0 } };
SERVICE_FAILURE_ACTIONS serviceFailure;
ZeroMemory( &serviceFailure, sizeof( SERVICE_FAILURE_ACTIONS ) );
serviceFailure.cActions = 3;
serviceFailure.lpsaActions = aActions;
// set service recovery options
serviceInstalled = ::ChangeServiceConfig2( schService, SERVICE_CONFIG_FAILURE_ACTIONS, &serviceFailure );
}
::CloseServiceHandle( schService );
::CloseServiceHandle( schSCManager );
return serviceInstalled;
}
bool ServiceController::removeService( const std::wstring& serviceName ) {
SC_HANDLE schSCManager = ::OpenSCManager( null, null, SC_MANAGER_ALL_ACCESS );
if ( schSCManager == null )
return false;
SC_HANDLE schService = ::OpenService( schSCManager, serviceName.c_str(), SERVICE_ALL_ACCESS );
if ( schService == null ) {
::CloseServiceHandle( schSCManager );
return false;
}
SERVICE_STATUS serviceStatus;
// stop service if its running
if ( ::ControlService( schService, SERVICE_CONTROL_STOP, &serviceStatus ) ) {
while ( ::QueryServiceStatus( schService, &serviceStatus ) ) {
if ( serviceStatus.dwCurrentState == SERVICE_STOP_PENDING )
{
Sleep( 1000 );
}
else { break; }
}
}
bool serviceRemoved = ::DeleteService( schService );
::CloseServiceHandle( schService );
::CloseServiceHandle( schSCManager );
return serviceRemoved;
}
bool ServiceController::startService( const std::wstring& serviceName, ServiceCallback startService ) {
_serviceName = serviceName;
_serviceCallback = startService;
SERVICE_TABLE_ENTRY dispTable[] = {
{ (LPTSTR)serviceName.c_str(), (LPSERVICE_MAIN_FUNCTION)ServiceController::initService },
{ null, null }
};
return StartServiceCtrlDispatcher( dispTable );
}
bool ServiceController::reportStatus( DWORD reportState, DWORD waitHint ) {
if ( _statusHandle == null )
return false;
static DWORD checkPoint = 1;
SERVICE_STATUS ssStatus;
ssStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
ssStatus.dwServiceSpecificExitCode = 0;
ssStatus.dwControlsAccepted = reportState == SERVICE_START_PENDING ? 0 : SERVICE_ACCEPT_STOP;
ssStatus.dwCurrentState = reportState;
ssStatus.dwWin32ExitCode = NO_ERROR;
ssStatus.dwWaitHint = waitHint;
ssStatus.dwCheckPoint = ( reportState == SERVICE_RUNNING || reportState == SERVICE_STOPPED ) ? 0 : checkPoint++;
return SetServiceStatus( _statusHandle, &ssStatus );
}
void WINAPI ServiceController::initService( DWORD argc, LPTSTR *argv ) {
_statusHandle = RegisterServiceCtrlHandler( _serviceName.c_str(), serviceCtrl );
if ( !_statusHandle )
return;
reportStatus( SERVICE_START_PENDING, 1000 );
_serviceCallback();
reportStatus( SERVICE_STOPPED );
}
void WINAPI ServiceController::serviceCtrl( DWORD ctrlCode ) {
switch ( ctrlCode ) {
case SERVICE_CONTROL_STOP:
case SERVICE_CONTROL_SHUTDOWN:
shutdown();
reportStatus( SERVICE_STOPPED );
return;
}
}
} // namespace mongo
#endif
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