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發表於 2006-8-4 09:08 |只看該作者 |倒序瀏覽 |打印

unit Service;
interface
uses
Windows,Classes,SysUtils,Winsvc,nb30,winsock;
Type
{服务句柄信息}
TScmInfo = Record
HostName : String;
DataBaseName: String;
DesireAccess : DWORD;
End;
{服务信息}
TSvcInfo = Record
HscManager :Integer;
ServerName :String; //服务名
DisplayName :String; //服务的显示名
DesireAccess :DWORD; //
ServiceType :Dword; //服务的类别
StartType :Dword; //服务的启动方式
ErrorControl :Dword; //服务错误控制方式
BinaryPathName :String; //服务执行文件的具体路径
LoadOrderGroup :String;
TagId :Dword;
Dependencies :String; //依赖：有多个依赖的服务时，中间以空格隔开}
ServerStartName :String;
Password :String;
End;
//需要注册的服务信息数组
SvcArray = Array[1..20] of TSvcInfo;
Type
{服务控制类}
TService = Class(TObject)
Private
Scm_Info :TScmInfo;
Svc_Info :TSvcInfo;
ScmHandle :Integer;
{服务句柄}
SvcHandle :Integer;
Public
Constructor Create();
Destructor Destroy();Override;
Function SetScmInfo():Boolean;
Function OpenScmHandle():Integer;
Function SetServiceInfo(TmpSvc :TsvcInfo):Boolean;
Function CreateService0():Boolean;
{删除一服务}
Function Delete_AService(ServiceName :String):Boolean;
{建立一服务}
Function Open_Service(ServiceName :String):Boolean;
{/////////////////////////////////////////////////////////////////////}
{// 函数名称: IsSvcExists()
{// 函数功能: 判断系统中相关的服务是否存在
{// 参数信息: 需要判断的服务名
{// 返回值: TRUE : WINDOWS 中的服务已存在,FALSE :WINDOWS 中的服务不存在
{//
{/////////////////////////////////////////////////////////////////////}
Function isSvcExists(ServiceName :string):Boolean;
{/////////////////////////////////////////////////////////////////////////}
{// 函数名称: Start_Service()
{// 函数功能: 启动相关的服务进程
{// 参数信息: 需要启动的服务名
{// 返回值: TRUE :服务已经启动;FALSE:服务启动失败;
{/////////////////////////////////////////////////////////////////////////}
Function Control_Service(ServiceName : String; controlType :integer):Boolean;
{/////////////////////////////////////////////////////////////////////////}
{// 函数名称: IsServiceStart()
{// 函数功能: 判断服务是否启动
{// 参数信息: 需要判断的服务名
{// 返回值: TRUE :服务已经启动; FALSE :服务已停止
{/////////////////////////////////////////////////////////////////////////}
Function IsServiceStart(ServiceName:String):Boolean;
End;
implementation
{ TService }
constructor TService.Create;
begin
try
ScmHandle := 0;
SetScmInfo();
ScmHandle := OpenSCManager(PChar(Scm_Info.HostName), Nil,Scm_Info.DesireAccess);
Except
End;
end;
{建立一服务}
function TService.CreateService0(): Boolean;
Var
i :Integer;
begin
try
OpenScmHandle();
svc_info.HscManager := ScmHandle;
Result := False;
SvcHandle := CreateService(Svc_Info.HscManager ,
PChar(Svc_Info.ServerName),
PChar(Svc_Info.DisplayName), Svc_info.DesireAccess , Svc_INfo.ServiceType ,
Svc_Info.StartType, Svc_Info.ErrorControl,
PChar(Svc_Info.BinaryPathName),
PChar(''), LPDWORD(0), PChar(Svc_Info.Dependencies), PChar(Svc_info.ServerStartName),
PChar(Svc_Info.Password));
If SvcHandle <> 0 Then
begin
Result := True;
CloseServiceHandle(SvcHandle);
end ;
I := i + 1;
except
end;
end;
{注销一服务}
function TService.Delete_AService(ServiceName: String): Boolean;
Var
RHandle:Integer;
rc :Boolean;
begin
try
OpenScmHandle();
Result := False;
If ScmHandle <> 0 Then
Begin
RHandle := OpenService(ScmHandle, PChar(ServiceName), SERVICE_ALL_ACCESS );
If RHandle <> 0 Then
Begin
Rc := DeleteService(Rhandle);
Result := Rc;
{关闭句柄}
CloseServiceHandle(RHandle);
End Else Result := True;
end;
except
end;
end;
destructor TService.Destroy;
begin
try
CloseServiceHandle(ScmHandle);
except
end;
end;
{打开数据库的句柄}
function TService.isSvcExists(ServiceName: string): Boolean;
Var
RHandle:Integer;
rc :Boolean;
begin
Try
OpenScmHandle();
Result := False;
If ScmHandle <> 0 Then
Begin
RHandle := OpenService(ScmHandle,PChar(ServiceName), SERVICE_ALL_ACCESS);
If RHandle <> 0 Then
Begin
Result := true;
{关闭句柄}
CloseServiceHandle(RHandle);
end;
end;
except
end;
end;
function TService.OpenScmHandle: Integer;
begin
try
SetScmInfo();
if ScmHandle <> 0 Then CloseServiceHandle(ScmHandle);
ScmHandle := 0;
ScmHandle := OpenSCManager(PChar(Scm_Info.HostName), Nil,Scm_Info.DesireAccess);
if ScmHandle = 0 then
ScmHandle := OpenSCManager(PChar(Scm_Info.HostName), Nil,Scm_Info.DesireAccess);
except
end;
end;
{打开一服务}
function TService.Open_Service(ServiceName: String): Boolean;
Var
SHandle :Integer;
begin
try
Result := False;
sHandle := 0;
SHandle := OpenScmHandle();
If SHandle <> 0 Then
Begin
SvcHandle := OpenService(SHandle,PChar(ServiceName), SERVICE_ALL_ACCESS );
If SvcHandle <> 0 Then Result := True;
end;
except
end;
end;
function TService.SetScmInfo(): Boolean;
Var
hostName : array [0..255] of char;
wsdata : TWSAData;
begin
try
WSAStartup ($0101, wsdata);
Result := False;
gethostname (hostName, SizeOf(hostName));
If hostName = '' Then
Exit;
Scm_Info.HostName := HostName;
Scm_Info.DesireAccess := SC_MANAGER_ALL_ACCESS;
except
end;
end;
//设置需要注册的WINDOWS 服务的具体信息
function TService.SetServiceInfo(TmpSvc: TsvcInfo): Boolean;
begin
try
Result := False;
If ScmHandle > 0 Then
Begin
Svc_Info := TmpSvc;
Svc_Info.HscManager := ScmHandle;
Result := True;
end;
except
end;
end;
//控制WINDOWS 系统内部的服务
function TService.Control_Service(ServiceName: String;controlType : Integer): Boolean;
Var
RHandle:Integer;
rc :Boolean;
Rec_status :TServiceStatus;
serviceArg :Pchar;
i :Integer;
begin
i :=0;
serviceArg := Pchar('');
Try
Result := False;
If ScmHandle <> 0 Then
Begin
RHandle := OpenService(ScmHandle, PChar(ServiceName), SERVICE_ALL_ACCESS );
If RHandle <> 0 Then
Begin
Case controlType of
1: //启动服务器
Begin
//ControlService(rHandle,SERVICE_CONTROL_START,rec_status);
StartService(rHandle, 0, servicearg);
i := 0;
While i < 30 Do
Begin
QueryServiceStatus(RHandle, Rec_status);
if rec_status.dwCurrentState = SERVICE_RUNNING then
Begin
result := True;
CloseServiceHandle(RHandle);
Break;
End;
Sleep(1000);
i := i + 1;
End;
End;
2: //暂停服务进程
Begin
ControlService(rHandle, SERVICE_CONTROL_PAUSE, rec_status);
i := 0;
While i < 30 Do
Begin
QueryServiceStatus(RHandle, Rec_status);
if rec_status.dwCurrentState = SERVICE_PAUSED then
Begin
result := true;
CloseServiceHandle(RHandle);
Break;
end;
Sleep(1000);
i := i + 1;
end;
end;
3: //唤醒服务进程
Begin
ControlService(rHandle, SERVICE_CONTROL_CONTINUE, rec_status);
i := 0;
While i < 30 do
Begin
QueryServiceStatus(RHandle, Rec_status);
if rec_status.dwCurrentState = SERVICE_RUNNING then
Begin
result := True;
CloseServiceHandle(RHandle);
Break;
End;
Sleep(1000);
i := i + 1;
end;
end;
4: //停止服务进程
begin
ControlService(rHandle, SERVICE_CONTROL_STOP, rec_status);
i := 0;
While i < 30 Do
Begin
QueryServiceStatus(RHandle, Rec_status);
if rec_status.dwCurrentState = SERVICE_STOPPED then
Begin
result := True;
CloseServiceHandle(RHandle);
Break;
End;
Sleep(1000);
i := i + 1;
End;
End;
5: //关闭服务程序 SERVICE_CONTROL_SHUTDOWN
Begin
rec_status.dwCurrentState := SERVICE_RUNNING;
ControlService(rHandle, SERVICE_CONTROL_STOP, rec_status);
i := 0;
While i < 30 Do
Begin
QueryServiceStatus(RHandle, Rec_status);
if rec_status.dwCurrentState = SERVICE_STOPPED then
Begin
result := True;
CloseServiceHandle(RHandle);
Break;
End;
Sleep(1000);
i := i + 1;
End;
End;
end;
Result := true;
{关闭句柄}
if rHandle <> 0 then
CloseServiceHandle(RHandle);
end;
end;
except
end;
end;
function TService.IsServiceStart(ServiceName: String): Boolean;
Var
RHandle:Integer;
rc :Boolean;
Rec_status :TServiceStatus;
begin
Try
OpenScmHandle();
Result := False;
If ScmHandle <> 0 Then
Begin
RHandle := 0;
RHandle := OpenService(ScmHandle, PChar(ServiceName), SERVICE_ALL_ACCESS );
If RHandle <> 0 Then
Begin
QueryServiceStatus(RHandle, Rec_status);
if rec_status.dwCurrentState = SERVICE_RUNNING then
result := True;
{关闭句柄}
CloseServiceHandle(RHandle);
End;
End;
Except
End;
end;
end.

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