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arangodb/arangod/RestServer/WindowsService.cpp

310 lines
9.2 KiB
C++

virtual void startupProgress() override final {
SetServiceStatus(SERVICE_START_PENDING, NO_ERROR, _progress++, 20000);
}
virtual void startupFinished() override final {
// startup finished - signalize we're running.
SetServiceStatus(SERVICE_RUNNING, NO_ERROR, 0, 0);
}
virtual void shutDownBegins() override final {
// startup finished - signalize we're running.
SetServiceStatus(SERVICE_STOP_PENDING, NO_ERROR, 0, 0);
}
static void WINAPI ServiceMain(DWORD dwArgc, LPSTR* lpszArgv) {
// register the service ctrl handler, lpszArgv[0] contains service name
ServiceStatus =
RegisterServiceCtrlHandlerA(lpszArgv[0], (LPHANDLER_FUNCTION)ServiceCtrl);
// set start pending
SetServiceStatus(SERVICE_START_PENDING, 0, 1, 10000);
// and fire up the service
STARTUP_FUNCTION(dwArgc, lpszArgv);
// service has stopped
SetServiceStatus(SERVICE_STOPPED, NO_ERROR, 0, 0);
TRI_CloseWindowsEventlog();
}
void WindowsService::startService(int argc, char** argv) {
SERVICE_TABLE_ENTRY ste[] = {{TEXT(""), (LPSERVICE_MAIN_FUNCTION)ServiceMain},
{nullptr, nullptr}};
if (!StartServiceCtrlDispatcher(ste)) {
std::cerr << "FATAL: StartServiceCtrlDispatcher has failed with "
<< GetLastError() << std::endl;
exit(EXIT_FAILURE);
}
}
void WindowsService::installService() {
CHAR path[MAX_PATH];
if (!GetModuleFileNameA(nullptr, path, MAX_PATH)) {
std::cerr << "FATAL: GetModuleFileNameA failed" << std::endl;
exit(EXIT_FAILURE);
}
// build command
std::string command;
command += "\"";
command += path;
command += "\"";
command += " --start-service";
// register service
InstallServiceCommand(command);
}
void WindowsService::uninstallService(bool force) {
CHAR path[MAX_PATH] = "";
if (!GetModuleFileNameA(nullptr, path, MAX_PATH)) {
std::cerr << "FATAL: GetModuleFileNameA failed" << std::endl;
exit(EXIT_FAILURE);
}
std::cout << "INFO: removing service '" << ServiceName << "'" << std::endl;
SC_HANDLE schSCManager =
OpenSCManager(nullptr, SERVICES_ACTIVE_DATABASE, SC_MANAGER_ALL_ACCESS);
if (schSCManager == 0) {
std::cerr << "FATAL: OpenSCManager failed with " << GetLastError()
<< std::endl;
exit(EXIT_FAILURE);
}
SC_HANDLE schService = OpenServiceA(
schSCManager, // SCManager database
ServiceName.c_str(), // name of service
DELETE |
SERVICE_QUERY_CONFIG); // first validate whether its us, then delete.
char serviceConfigMemory[8192]; // msdn says: 8k is enough.
DWORD bytesNeeded = 0;
if (QueryServiceConfig(schService,
(LPQUERY_SERVICE_CONFIGA)&serviceConfigMemory,
sizeof(serviceConfigMemory), &bytesNeeded)) {
QUERY_SERVICE_CONFIG* cfg = (QUERY_SERVICE_CONFIG*)&serviceConfigMemory;
std::string command = std::string("\"") + std::string(path) +
std::string("\" --start-service");
if (strcmp(cfg->lpBinaryPathName, command.c_str())) {
if (!force) {
std::cerr << "NOT removing service of other installation: "
<< cfg->lpBinaryPathName << " Our path is: " << path
<< std::endl;
CloseServiceHandle(schSCManager);
return;
} else {
std::cerr << "Removing service of other installation because of FORCE: "
<< cfg->lpBinaryPathName << "Our path is: " << path
<< std::endl;
}
}
}
CloseServiceHandle(schSCManager);
if (schService == 0) {
std::cerr << "FATAL: OpenServiceA failed with " << GetLastError()
<< std::endl;
exit(EXIT_FAILURE);
}
if (!DeleteService(schService)) {
std::cerr << "FATAL: DeleteService failed with " << GetLastError()
<< std::endl;
exit(EXIT_FAILURE);
}
CloseServiceHandle(schService);
}
void WindowsService::serviceControlStart(bool waitForRunning) {
TRI_ERRORBUF;
SERVICE_STATUS_PROCESS ssp;
DWORD bytesNeeded;
SC_HANDLE schSCManager =
OpenSCManager(nullptr, SERVICES_ACTIVE_DATABASE, SC_MANAGER_ALL_ACCESS);
if (schSCManager == 0) {
TRI_SYSTEM_ERROR();
std::cerr << "FATAL: OpenSCManager failed with " << windowsErrorBuf
<< std::endl;
exit(EXIT_FAILURE);
}
// Get a handle to the service.
auto arangoService = OpenService(
schSCManager, ServiceName.c_str(),
SERVICE_START | SERVICE_QUERY_STATUS | SERVICE_ENUMERATE_DEPENDENTS);
if (arangoService == nullptr) {
TRI_SYSTEM_ERROR();
std::cerr << "INFO: OpenService failed with " << windowsErrorBuf
<< std::endl;
exit(EXIT_FAILURE);
}
// Make sure the service is not already started.
if (!QueryServiceStatusEx(arangoService, SC_STATUS_PROCESS_INFO, (LPBYTE)&ssp,
sizeof(SERVICE_STATUS_PROCESS), &bytesNeeded)) {
TRI_SYSTEM_ERROR();
std::cerr << "INFO: QueryServiceStatusEx failed with " << windowsErrorBuf
<< std::endl;
CloseServiceHandle(schSCManager);
exit(EXIT_FAILURE);
}
if (ssp.dwCurrentState == SERVICE_RUNNING) {
CloseServiceHandle(schSCManager);
exit(EXIT_SUCCESS);
}
if (!StartService(arangoService, 0, nullptr)) {
TRI_SYSTEM_ERROR();
std::cerr << "StartService failed " << windowsErrorBuf << std::endl;
CloseServiceHandle(arangoService);
CloseServiceHandle(schSCManager);
exit(EXIT_FAILURE);
}
// Save the tick count and initial checkpoint.
ssp.dwCurrentState = SERVICE_START_PENDING;
while (WaitForRunning && ssp.dwCurrentState != SERVICE_START_PENDING) {
// we sleep 1 second before we re-check the status.
Sleep(1000);
// Check the status again.
if (!QueryServiceStatusEx(
arangoService,
SC_STATUS_PROCESS_INFO, // info level
(LPBYTE)&ssp, // address of structure
sizeof(SERVICE_STATUS_PROCESS), // size of structure
&bytesNeeded)) {
TRI_SYSTEM_ERROR();
std::cerr << "INFO: QueryServiceStatusEx failed with " << windowsErrorBuf
<< std::endl;
break;
}
}
CloseServiceHandle(arangoService);
CloseServiceHandle(schSCManager);
exit(EXIT_SUCCESS);
}
void WindowsService::serviceControlStop(bool waitForRunning) {
TRI_ERRORBUF;
SERVICE_STATUS_PROCESS ssp;
DWORD bytesNeeded;
SC_HANDLE schSCManager =
OpenSCManager(nullptr, SERVICES_ACTIVE_DATABASE, SC_MANAGER_ALL_ACCESS);
if (schSCManager == 0) {
TRI_SYSTEM_ERROR();
std::cerr << "FATAL: OpenSCManager failed with " << windowsErrorBuf
<< std::endl;
exit(EXIT_FAILURE);
}
// Get a handle to the service.
auto arangoService = OpenService(
schSCManager, ServiceName.c_str(),
SERVICE_STOP | SERVICE_QUERY_STATUS | SERVICE_ENUMERATE_DEPENDENTS);
if (arangoService == nullptr) {
TRI_SYSTEM_ERROR();
std::cerr << "INFO: OpenService failed with " << windowsErrorBuf
<< std::endl;
CloseServiceHandle(schSCManager);
return;
}
// Make sure the service is not already stopped.
if (!QueryServiceStatusEx(arangoService, SC_STATUS_PROCESS_INFO, (LPBYTE)&ssp,
sizeof(SERVICE_STATUS_PROCESS), &bytesNeeded)) {
TRI_SYSTEM_ERROR();
std::cerr << "INFO: QueryServiceStatusEx failed with " << windowsErrorBuf
<< std::endl;
CloseServiceHandle(schSCManager);
exit(EXIT_FAILURE);
}
if (ssp.dwCurrentState == SERVICE_STOPPED) {
CloseServiceHandle(schSCManager);
exit(EXIT_SUCCESS);
}
// Send a stop code to the service.
if (!ControlService(arangoService, SERVICE_CONTROL_STOP,
(LPSERVICE_STATUS)&ssp)) {
TRI_SYSTEM_ERROR();
std::cerr << "ControlService failed with " << windowsErrorBuf << std::endl;
CloseServiceHandle(arangoService);
CloseServiceHandle(schSCManager);
exit(EXIT_FAILURE);
}
while (WaitForShutdown && ssp.dwCurrentState == SERVICE_STOPPED) {
// we sleep 1 second before we re-check the status.
Sleep(1000);
if (!QueryServiceStatusEx(arangoService, SC_STATUS_PROCESS_INFO,
(LPBYTE)&ssp, sizeof(SERVICE_STATUS_PROCESS),
&bytesNeeded)) {
TRI_SYSTEM_ERROR();
printf("QueryServiceStatusEx failed (%s)\n", windowsErrorBuf);
CloseServiceHandle(arangoService);
CloseServiceHandle(schSCManager);
exit(EXIT_FAILURE);
}
}
CloseServiceHandle(arangoService);
CloseServiceHandle(schSCManager);
exit(EXIT_SUCCESS);
}
void WindowsService::checkService(int argc, char* argv[],
std::function<int(int, char**)> runServer) {
if (argc < 2) {
return;
}
std::string cmd = argv[1];
if (cmd == "--install-service") {
installService(argc, argv);
}
else if (cmd == "--start-service") {
startService(runServer);
}
else if (cmd == "--servicectl-start") {
serviceControlStart(false);
}
else if (cmd == "--servicectl-start-wait") {
serviceControlStart(true);
}
else if (cmd == "--servicectl-stop") {
serviceControlStop(false);
}
else if (cmd == "--servicectl-stop-wait") {
serviceControlStop(true);
}
else if (cmd == "--uninstall-service") {
bool force = ((argc > 2) && !strcmp(argv[2], "--force"));
uninstallService(force);
}
}