Exemplo n.º 1
0
        void RestartProcess(Process proc)
        {
            Logger.Log(string.Format("Trying to restart application {0}", proc.StartInfo.FileName));
            BackOffHandler.WaitAppropriateAmountOfTime(proc.StartInfo);

            if (ShouldProcessBeRestarted(proc))
            {
                // It seems like we cannot capture output to the stdout or stderr when we restart the process (we get no events),
                // and calling BeginOutputReadLine fails, so... we create a new process object altogether.
                processes.Remove(proc);
                var app = GetApplication(proc);

                proc = new Process
                {
                    StartInfo = proc.StartInfo
                };

                ConfigureProcess(proc, app);
                processes.Add(proc);

                proc.Start();
                proc.BeginOutputReadLine();
                proc.BeginErrorReadLine();

                BackOffHandler.RegisterProcessStart(proc.StartInfo);
                Logger.Log(string.Format("Application {0} restarted with PID {1}", proc.StartInfo.FileName, proc.Id));
            }
        }
Exemplo n.º 2
0
        void StartApplication(Application app)
        {
            var proc = new Process();

            processes.Add(proc);
            proc.StartInfo.FileName  = app.FileName;
            proc.StartInfo.Arguments = string.Join(" ", app.Arguments.ToArray());
            //proc.StartInfo.CreateNoWindow = true;
            foreach (var env in app.EnvironmentVariables)
            {
                Logger.Log(String.Format("Adding environment variable {0} with value {1}", env.Key, env.Value));

                proc.StartInfo.EnvironmentVariables[env.Key] = env.Value;
            }
            proc.StartInfo.UseShellExecute        = false;
            proc.StartInfo.RedirectStandardError  = true;
            proc.StartInfo.RedirectStandardInput  = true;
            proc.StartInfo.RedirectStandardOutput = true;

            ConfigureProcess(proc, app);

            Logger.Log(string.Format("Starting application {0} with arguments {1}", app.FileName, string.Join(" ", app.Arguments.ToArray())));

            try
            {
                proc.Start();
                proc.BeginOutputReadLine();
                proc.BeginErrorReadLine();
                BackOffHandler.RegisterProcessStart(proc.StartInfo);
                Logger.Log(string.Format("Application {0} started with PID {1}", app.FileName, proc.Id));
            }
            catch (Win32Exception e)
            {
                // FIXME: What is the correct action to take here?
                Logger.Log(string.Format("Application {0} failed to start: {1}. Terminating service.", app.FileName, e.Message));

                throw new Exception("One or more applications failed to start. Service terminating.", e);
            }
        }