// 检测 dp2capo.exe 是否在运行状态
static bool IsDp2CapoRunning()
{
try
{
IpcInfo ipc = BeginIpc();
try
{
ServiceControlResult result = null;
InstanceInfo info = null;
// 获得一个实例的信息
result = ipc.Server.GetInstanceInfo(".",
out info);
if (result.Value == -1)
{
return(false);
}
if (info != null)
{
return(info.State == "running");
}
else
{
return(true);
}
}
finally
{
EndIpc(ipc);
}
}
catch (Exception ex)
{
return(false);
}
}
internal override void InternalSerialize(PipWriter writer)
{
var hasProvenance = Provenance != null;
writer.Write(hasProvenance);
IpcInfo.Serialize(writer);
writer.Write(MessageBody);
writer.Write(OutputFile);
writer.Write(ServicePipDependencies, (w, v) => ((PipWriter)w).Write(v));
writer.Write(FileDependencies, (w, v) => w.Write(v));
writer.Write(DirectoryDependencies, (w, v) => w.Write(v));
writer.Write(LazilyMaterializedDependencies, (w, v) => w.Write(v));
writer.Write(Tags, (w, v) => w.Write(v));
writer.Write(IsServiceFinalization);
writer.Write(MustRunOnMaster);
if (hasProvenance)
{
writer.Write(Provenance);
}
}
static IpcInfo BeginIpc()
{
IpcInfo info = new IpcInfo();
string strUrl = "ipc://dp2capo_ServiceControlChannel/dp2library_ServiceControlServer";
info.Channel = new IpcClientChannel();
ChannelServices.RegisterChannel(info.Channel, false);
info.Server = (IServiceControl)Activator.GetObject(typeof(IServiceControl),
strUrl);
if (info.Server == null)
{
string strError = "无法连接到 remoting 服务器 " + strUrl;
throw new Exception(strError);
}
return(info);
}
// parameters:
// strCommand start/stop/getState
// return:
// -1 出错
// 0/1 strCommand 为 "getState" 时分别表示实例 不在运行/在运行 状态
public static int dp2capo_serviceControl(
string strCommand,
string strInstanceName,
out string strError)
{
strError = "";
try
{
IpcInfo ipc = BeginIpc();
try
{
ServiceControlResult result = null;
if (strCommand == "start")
{
result = ipc.Server.StartInstance(strInstanceName);
}
else if (strCommand == "stop")
{
result = ipc.Server.StopInstance(strInstanceName);
}
else if (strCommand == "getState")
{
InstanceInfo info = null;
// 获得一个实例的信息
result = ipc.Server.GetInstanceInfo(strInstanceName,
out info);
if (result.Value == -1)
{
strError = result.ErrorInfo;
return(-1);
}
else
{
strError = info.State;
}
return(result.Value);
}
else
{
strError = "未知的命令 '" + strCommand + "'";
return(-1);
}
if (result.Value == -1)
{
strError = result.ErrorInfo;
return(-1);
}
strError = result.ErrorInfo;
return(0);
}
finally
{
EndIpc(ipc);
}
}
catch (Exception ex)
{
strError = ex.Message;
return(-1);
}
}
static void EndIpc(IpcInfo info)
{
ChannelServices.UnregisterChannel(info.Channel);
}
