private void DisposeClient()
{
if (_client != null)
{
_client.Dispose();
_client = null;
}
}
/// <summary>
/// Starts the remote process which will host an Activator
/// </summary>
public void Start()
{
CheckDisposed();
DisposeClient();
Logger.InfoFormat("Starting process for Process Domain '{0}'", _friendlyName);
String processGuid = Guid.NewGuid().ToString();
bool created;
var serverStartedHandle = new EventWaitHandle(false, EventResetMode.ManualReset, string.Format(ActivatorHost.EventName, processGuid), out created);
// We set guid to a new value every time therefore this "should" never happen.
if (!created)
{
throw new Exception("Event handle already existed for remote process");
}
string processDomainAssemblyPath = AssemblyUtils.GetFilePathFromFileUri(typeof(ActivatorProcess).Assembly.CodeBase);
ProcessDomainSetup.Serialize(_setupInfo, _setupInfoFile);
// args[0] = process domain assembly path
// args[1] = guid
// args[2] = process id
// args[3] = ProcessDomainSetup file
_process.StartInfo.Arguments = string.Format("\"{0}\" {1} {2} \"{3}\"", processDomainAssemblyPath, processGuid, Process.GetCurrentProcess().Id, _setupInfoFile);
if (!_process.Start())
{
throw new Exception(string.Format("Failed to start process from: {0}", _process.StartInfo.FileName));
}
Logger.InfoFormat("Process successfully started with process id {0}", _process.Id);
if (!serverStartedHandle.WaitOne(_setupInfo.ProcessStartTimeout))
{
throw new Exception("Timed-out waiting for remote process to start");
}
serverStartedHandle.Close();
_processStatus = ProcessStatus.Active;
_process.PriorityClass = _setupInfo.PriorityClass;
_client = new ActivatorClient(processGuid, _setupInfo);
var tmp = Attached;
if (tmp != null)
{
tmp();
}
}