/**
* Called when the service is starting.
*
* @param dwArgc number of arguments
* @param lpszArgv pointer to arguments
*/
public void callback(int dwArgc, Pointer lpszArgv) {
Advapi32 advapi32;
advapi32 = Advapi32.INSTANCE;
serviceControl = new ServiceControl();
serviceStatusHandle =
advapi32.RegisterServiceCtrlHandlerEx(serviceName, serviceControl, null);
reportStatus(Winsvc.SERVICE_START_PENDING, WinError.NO_ERROR, 3000);
reportStatus(Winsvc.SERVICE_RUNNING, WinError.NO_ERROR, 0);
onStart();
try {
synchronized (waitObject) {
waitObject.wait();
}
} catch (InterruptedException ex) {
}
reportStatus(Winsvc.SERVICE_STOPPED, WinError.NO_ERROR, 0);
// Avoid returning from ServiceMain, which will cause a crash
// See http://support.microsoft.com/kb/201349, which recommends
// having init() wait for this thread.
// Waiting on this thread in init() won't fix the crash, though.
// System.exit(0);
}
/**
* Get a handle to the ServiceControlManager.
*
* @param machine name of the machine or null for localhost
* @param access access flags
* @return handle to ServiceControlManager or null when failed
*/
private SC_HANDLE openServiceControlManager(String machine, int access) {
SC_HANDLE handle = null;
Advapi32 advapi32;
advapi32 = Advapi32.INSTANCE;
handle = advapi32.OpenSCManager(machine, null, access);
return (handle);
}
/** Initialize the service, connect to the ServiceControlManager. */
public void init() {
Advapi32 advapi32;
SERVICE_TABLE_ENTRY entry;
serviceMain = new ServiceMain();
advapi32 = Advapi32.INSTANCE;
entry = new Advapi32.SERVICE_TABLE_ENTRY();
entry.lpServiceName = serviceName;
entry.lpServiceProc = serviceMain;
advapi32.StartServiceCtrlDispatcher((SERVICE_TABLE_ENTRY[]) entry.toArray(2));
}
/**
* Install the service.
*
* @return true on success
* @param displayName visible name
* @param description description
* @param dependencies array of other services to depend on or null
* @param account service account or null for LocalSystem
* @param password password for service account or null
* @param command command line to start the service
* @throws java.lang.Exception
*/
public boolean install(
String displayName,
String description,
String[] dependencies,
String account,
String password,
String command) {
Advapi32 advapi32;
Advapi32.SERVICE_DESCRIPTION desc;
SC_HANDLE service, serviceManager;
boolean success = false;
String dep = "";
if (dependencies != null) {
for (String s : dependencies) {
dep += s + "\0";
}
}
dep += "\0";
desc = new Advapi32.SERVICE_DESCRIPTION();
desc.lpDescription = description;
advapi32 = Advapi32.INSTANCE;
serviceManager = openServiceControlManager(null, Winsvc.SC_MANAGER_ALL_ACCESS);
if (serviceManager != null) {
service =
advapi32.CreateService(
serviceManager,
serviceName,
displayName,
Winsvc.SERVICE_ALL_ACCESS,
WinNT.SERVICE_WIN32_OWN_PROCESS,
WinNT.SERVICE_DEMAND_START,
WinNT.SERVICE_ERROR_NORMAL,
command,
null,
null,
dep,
account,
password);
if (service != null) {
success = advapi32.ChangeServiceConfig2(service, Winsvc.SERVICE_CONFIG_DESCRIPTION, desc);
advapi32.CloseServiceHandle(service);
}
advapi32.CloseServiceHandle(serviceManager);
}
return (success);
}
/**
* Report service status to the ServiceControlManager.
*
* @param status status
* @param win32ExitCode exit code
* @param waitHint time to wait
*/
private void reportStatus(int status, int win32ExitCode, int waitHint) {
Advapi32 advapi32;
SERVICE_STATUS serviceStatus;
advapi32 = Advapi32.INSTANCE;
serviceStatus = new SERVICE_STATUS();
serviceStatus.dwServiceType = WinNT.SERVICE_WIN32_OWN_PROCESS;
serviceStatus.dwControlsAccepted = Winsvc.SERVICE_ACCEPT_STOP | Winsvc.SERVICE_ACCEPT_SHUTDOWN;
serviceStatus.dwWin32ExitCode = win32ExitCode;
serviceStatus.dwWaitHint = waitHint;
serviceStatus.dwCurrentState = status;
advapi32.SetServiceStatus(serviceStatusHandle, serviceStatus);
}
/**
* Uninstall the service.
*
* @throws java.lang.Exception
* @return true on success
*/
public boolean uninstall() {
Advapi32 advapi32;
SC_HANDLE serviceManager, service;
boolean success = false;
advapi32 = Advapi32.INSTANCE;
serviceManager = openServiceControlManager(null, Winsvc.SC_MANAGER_ALL_ACCESS);
if (serviceManager != null) {
service = advapi32.OpenService(serviceManager, serviceName, Winsvc.SERVICE_ALL_ACCESS);
if (service != null) {
success = advapi32.DeleteService(service);
advapi32.CloseServiceHandle(service);
}
advapi32.CloseServiceHandle(serviceManager);
}
return (success);
}
/**
* Ask the ServiceControlManager to start the service.
*
* @return true on success
*/
public boolean start() {
Advapi32 advapi32;
SC_HANDLE serviceManager, service;
boolean success = false;
advapi32 = Advapi32.INSTANCE;
serviceManager = openServiceControlManager(null, WinNT.GENERIC_EXECUTE);
if (serviceManager != null) {
service = advapi32.OpenService(serviceManager, serviceName, WinNT.GENERIC_EXECUTE);
if (service != null) {
success = advapi32.StartService(service, 0, null);
advapi32.CloseServiceHandle(service);
}
advapi32.CloseServiceHandle(serviceManager);
}
return (success);
}
/**
* Ask the ServiceControlManager to stop the service.
*
* @return true on success
*/
public boolean stop() throws Exception {
Advapi32 advapi32;
SC_HANDLE serviceManager, service;
SERVICE_STATUS serviceStatus;
boolean success = false;
advapi32 = Advapi32.INSTANCE;
serviceManager = openServiceControlManager(null, WinNT.GENERIC_EXECUTE);
if (serviceManager != null) {
service = advapi32.OpenService(serviceManager, serviceName, WinNT.GENERIC_EXECUTE);
if (service != null) {
serviceStatus = new SERVICE_STATUS();
success = advapi32.ControlService(service, Winsvc.SERVICE_CONTROL_STOP, serviceStatus);
advapi32.CloseServiceHandle(service);
}
advapi32.CloseServiceHandle(serviceManager);
}
return (success);
}