unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, WinSvc, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
//
// start service
//
// return TRUE if successful
//
// sMachine:
// machine name, ie: \SERVER
// empty = local machine
//
// sService
// service name, ie: Alerter
//
function ServiceStart(
sMachine,
sService : string ) : boolean;
var
//
// service control
// manager handle
schm,
//
// service handle
schs : SC_Handle;
//
// service status
ss : TServiceStatus;
//
// temp char pointer
psTemp : PChar;
//
// check point
dwChkP : DWord;
begin
ss.dwCurrentState := DWORD(-1);
// connect to the service
// control manager
schm := OpenSCManager(
PChar(sMachine),
Nil,
SC_MANAGER_CONNECT);
// if successful...
if(schm > 0)then
begin
// open a handle to
// the specified service
schs := OpenService(
schm,
PChar(sService),
// we want to
// start the service and
SERVICE_START or
// query service status
SERVICE_QUERY_STATUS);
// if successful...
if(schs > 0)then
begin
psTemp := Nil;
if(StartService(
schs,
0,
psTemp))then
begin
// check status
if(QueryServiceStatus(
schs,
ss))then
begin
while(SERVICE_RUNNING
<> ss.dwCurrentState)do
begin
//
// dwCheckPoint contains a
// value that the service
// increments periodically
// to report its progress
// during a lengthy
// operation.
//
// save current value
//
dwChkP := ss.dwCheckPoint;
//
// wait a bit before
// checking status again
//
// dwWaitHint is the
// estimated amount of time
// the calling program
// should wait before calling
// QueryServiceStatus() again
//
// idle events should be
// handled here...
//
Sleep(ss.dwWaitHint);
if(not QueryServiceStatus(
schs,
ss))then
begin
// couldn't check status
// break from the loop
break;
end;
if(ss.dwCheckPoint <
dwChkP)then
begin
// QueryServiceStatus
// didn't increment
// dwCheckPoint as it
// should have.
// avoid an infinite
// loop by breaking
break;
end;
end;
end;
end;
// close service handle
CloseServiceHandle(schs);
end;
// close service control
// manager handle
CloseServiceHandle(schm);
end;
// return TRUE if
// the service status is running
Result :=
SERVICE_RUNNING =
ss.dwCurrentState;
end;
//
// stop service
//
// return TRUE if successful
//
// sMachine:
// machine name, ie: \SERVER
// empty = local machine
//
// sService
// service name, ie: Alerter
//
function ServiceStop(
sMachine,
sService : string ) : boolean;
var
//
// service control
// manager handle
schm,
//
// service handle
schs : SC_Handle;
//
// service status
ss : TServiceStatus;
//
// check point
dwChkP : DWord;
begin
// connect to the service
// control manager
schm := OpenSCManager(
PChar(sMachine),
Nil,
SC_MANAGER_CONNECT);
// if successful...
if(schm > 0)then
begin
// open a handle to
// the specified service
schs := OpenService(
schm,
PChar(sService),
// we want to
// stop the service and
SERVICE_STOP or
// query service status
SERVICE_QUERY_STATUS);
// if successful...
if(schs > 0)then
begin
if(ControlService(
schs,
SERVICE_CONTROL_STOP,
ss))then
begin
// check status
if(QueryServiceStatus(
schs,
ss))then
begin
while(SERVICE_STOPPED
<> ss.dwCurrentState)do
begin
//
// dwCheckPoint contains a
// value that the service
// increments periodically
// to report its progress
// during a lengthy
// operation.
//
// save current value
//
dwChkP := ss.dwCheckPoint;
//
// wait a bit before
// checking status again
//
// dwWaitHint is the
// estimated amount of time
// the calling program
// should wait before calling
// QueryServiceStatus() again
//
// idle events should be
// handled here...
//
Sleep(ss.dwWaitHint);
if(not QueryServiceStatus(
schs,
ss))then
begin
// couldn't check status
// break from the loop
break;
end;
if(ss.dwCheckPoint <
dwChkP)then
begin
// QueryServiceStatus
// didn't increment
// dwCheckPoint as it
// should have.
// avoid an infinite
// loop by breaking
break;
end;
end;
end;
end;
// close service handle
CloseServiceHandle(schs);
end;
// close service control
// manager handle
CloseServiceHandle(schm);
end;
// return TRUE if
// the service status is stopped
Result :=
SERVICE_STOPPED =
ss.dwCurrentState;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
// 서비스 시작 하기(여기서는 DHCP 클라이언트로 테스트 했음)
if( ServiceStart(
'',
'Dhcp' ) )then
begin
ShowMessage('DHCP Client service on the local computer was started');
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
// 서비스 중지 하기
if( ServiceStop(
'',
'Dhcp' ) )then
begin
ShowMessage('DHCP Client service on the local computer was stopped');
end;
end;
end.
|
|
