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Delphi NT Service Skeleton by Aphex

王朝delphi·作者佚名  2006-01-10
窄屏简体版  字體: |||超大  

{

Delphi NT Service Skeleton by Aphex

http://www.iamaphex.cjb.net

aphex@iamaphex.net

This tiny NT service can install/uninstall/start/stop itself based on command

line arguments. The example service beeps once a second to show that it is

running.

To install the service: Service.exe /i

To uninstall the service: Service.exe /u

}

program Service;

uses

Windows,

WinSvc;

const

ServiceName: pchar = 'AFX Service';

DisplayName: pchar = 'AFX Demo Service';

var

Status: TServiceStatus;

StatusHandle: SERVICE_STATUS_HANDLE;

ServiceTable: array [0..1] of TServiceTableEntry;

Stopped: boolean;

Paused: boolean;

procedure ServiceMain;

begin

repeat

if not Paused then

begin

Beep(1000, 1000);

Sleep(1000);

end;

until Stopped;

end;

procedure ServiceCtrlHandler(Control: dword); stdcall;

begin

case Control of

SERVICE_CONTROL_STOP:

begin

Stopped := True;

Status.dwCurrentState := SERVICE_STOP_PENDING;

SetServiceStatus(StatusHandle, Status);

end;

SERVICE_CONTROL_PAUSE:

begin

Paused := True;

Status.dwcurrentstate := SERVICE_PAUSED;

SetServiceStatus(StatusHandle, Status);

end;

SERVICE_CONTROL_CONTINUE:

begin

Paused := False;

Status.dwCurrentState := SERVICE_RUNNING;

SetServiceStatus(StatusHandle, Status);

end;

SERVICE_CONTROL_INTERROGATE: SetServiceStatus(StatusHandle, Status);

SERVICE_CONTROL_SHUTDOWN: Stopped := True;

end;

end;

procedure ServiceCtrlDispatcher(dwArgc: dword; var lpszArgv: pchar); stdcall;

begin

StatusHandle := RegisterServiceCtrlHandler(ServiceName, @ServiceCtrlHandler);

if StatusHandle <> 0 then

begin

ZeroMemory(@Status, SizeOf(Status));

Status.dwServiceType := SERVICE_WIN32_OWN_PROCESS or SERVICE_INTERACTIVE_PROCESS;

Status.dwCurrentState:= SERVICE_START_PENDING;

Status.dwControlsAccepted := SERVICE_ACCEPT_STOP or SERVICE_ACCEPT_PAUSE_CONTINUE;

Status.dwWaitHint := 1000;

SetServiceStatus(StatusHandle, Status);

Stopped := False;

Paused := False;

Status.dwCurrentState := SERVICE_RUNNING;

SetServiceStatus(StatusHandle, Status);

ServiceMain;

Status.dwCurrentState := SERVICE_STOPPED;

SetServiceStatus(StatusHandle, Status);

end;

end;

procedure UninstallService(ServiceName: pchar);

var

SCManager: SC_HANDLE;

Service: SC_HANDLE;

begin

SCManager := OpenSCManager(nil, nil, SC_MANAGER_ALL_ACCESS);

if SCManager = 0 then Exit;

try

Service := OpenService(SCManager, ServiceName, SERVICE_ALL_ACCESS);

ControlService(Service, SERVICE_CONTROL_STOP, Status);

DeleteService(Service);

CloseServiceHandle(Service);

finally

CloseServiceHandle(SCManager);

end;

end;

procedure InstallService(ServiceName, DisplayName: pchar; FileName: string);

var

SCManager: SC_HANDLE;

Service: SC_HANDLE;

Args: pchar;

begin

SCManager := OpenSCManager(nil, nil, SC_MANAGER_ALL_ACCESS);

if SCManager = 0 then Exit;

try

Service := CreateService(SCManager, ServiceName, DisplayName, SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS or SERVICE_INTERACTIVE_PROCESS, SERVICE_AUTO_START, SERVICE_ERROR_IGNORE, pchar(FileName), nil, nil, nil, nil, nil);

Args := nil;

StartService(Service, 0, Args);

CloseServiceHandle(Service);

finally

CloseServiceHandle(SCManager);

end;

end;

begin

if ParamStr(1) = '/i' then

begin

InstallService(ServiceName, DisplayName, ParamStr(0));

end

else if ParamStr(1) = '/u' then

begin

UninstallService(ServiceName);

end

else

begin

ServiceTable[0].lpServiceName := ServiceName;

ServiceTable[0].lpServiceProc := @ServiceCtrlDispatcher;

ServiceTable[1].lpServiceName := nil;

ServiceTable[1].lpServiceProc := nil;

StartServiceCtrlDispatcher(ServiceTable[0]);

end;

end.

 
 
 
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