private void StartProcess(Process processToStart, string arguments, String executable, LogHandler logHandler, bool redirectStdin)
{
// Define handler of the completed process
ProcessCompletionCallback processCompletionCallback = delegate(Process proc)
{
string msg = processToStart.Id + " - " + processToStart.StartInfo.FileName + " " + processToStart.StartInfo.Arguments;
try
{
if (_orderlyShutdown)
{
LogEvent("Child process [" + msg + "] terminated with " + proc.ExitCode, EventLogEntryType.Information);
}
else
{
LogEvent("Child process [" + msg + "] finished with " + proc.ExitCode, EventLogEntryType.Warning);
// if we finished orderly, report that to SCM.
// by not reporting unclean shutdown, we let Windows SCM to decide if it wants to
// restart the service automatically
if (proc.ExitCode == 0)
{
SignalShutdownComplete();
}
Environment.Exit(proc.ExitCode);
}
}
catch (InvalidOperationException ioe)
{
LogEvent("WaitForExit " + ioe.Message);
}
try
{
proc.Dispose();
}
catch (InvalidOperationException ioe)
{
LogEvent("Dispose " + ioe.Message);
}
};
// Invoke process and exit
ProcessHelper.StartProcessAndCallbackForExit(
processToStart: processToStart,
executable: executable,
arguments: arguments,
envVars: _envs,
workingDirectory: _descriptor.WorkingDirectory,
priority: _descriptor.Priority,
callback: processCompletionCallback,
logHandler: logHandler,
redirectStdin: redirectStdin);
}
protected override void OnStart(string[] args)
{
_envs = _descriptor.EnvironmentVariables;
// TODO: Disabled according to security concerns in https://github.com/kohsuke/winsw/issues/54
// Could be restored, but unlikely it's required in event logs at all
/**
* foreach (string key in _envs.Keys)
* {
* LogEvent("envar " + key + '=' + _envs[key]);
* }*/
HandleFileCopies();
// handle downloads
#if VNEXT
List <Download> downloads = _descriptor.Downloads;
Task[] tasks = new Task[downloads.Count];
for (int i = 0; i < downloads.Count; i++)
{
Download download = downloads[i];
string downloadMessage = $"Downloading: {download.From} to {download.To}. failOnError={download.FailOnError.ToString()}";
LogEvent(downloadMessage);
Log.Info(downloadMessage);
tasks[i] = download.PerformAsync();
}
try
{
Task.WaitAll(tasks);
}
catch (AggregateException e)
{
List <Exception> exceptions = new List <Exception>(e.InnerExceptions.Count);
for (int i = 0; i < tasks.Length; i++)
{
if (tasks[i].IsFaulted)
{
Download download = downloads[i];
string errorMessage = $"Failed to download {download.From} to {download.To}";
AggregateException exception = tasks[i].Exception !;
LogEvent($"{errorMessage}. {exception.Message}");
Log.Error(errorMessage, exception);
// TODO: move this code into the download logic
if (download.FailOnError)
{
exceptions.Add(new IOException(errorMessage, exception));
}
}
}
throw new AggregateException(exceptions);
}
#else
foreach (Download download in _descriptor.Downloads)
{
string downloadMessage = $"Downloading: {download.From} to {download.To}. failOnError={download.FailOnError.ToString()}";
LogEvent(downloadMessage);
Log.Info(downloadMessage);
try
{
download.Perform();
}
catch (Exception e)
{
string errorMessage = $"Failed to download {download.From} to {download.To}";
LogEvent($"{errorMessage}. {e.Message}");
Log.Error(errorMessage, e);
// TODO: move this code into the download logic
if (download.FailOnError)
{
throw new IOException(errorMessage, e);
}
// Else just keep going
}
}
#endif
string?startarguments = _descriptor.Startarguments;
if (startarguments is null)
{
startarguments = _descriptor.Arguments;
}
else
{
startarguments += " " + _descriptor.Arguments;
}
LogEvent("Starting " + _descriptor.Executable + ' ' + startarguments);
Log.Info("Starting " + _descriptor.Executable + ' ' + startarguments);
// Load and start extensions
ExtensionManager.LoadExtensions();
ExtensionManager.FireOnWrapperStarted();
LogHandler executableLogHandler = CreateExecutableLogHandler();
StartProcess(_process, startarguments, _descriptor.Executable, executableLogHandler, true);
ExtensionManager.FireOnProcessStarted(_process);
_process.StandardInput.Close(); // nothing for you to read!
}
protected override void OnStart(string[] _)
{
_envs = _descriptor.EnvironmentVariables;
// TODO: Disabled according to security concerns in https://github.com/kohsuke/winsw/issues/54
// Could be restored, but unlikely it's required in event logs at all
/**
* foreach (string key in _envs.Keys)
* {
* LogEvent("envar " + key + '=' + _envs[key]);
* }*/
HandleFileCopies();
// handle downloads
foreach (Download d in _descriptor.Downloads)
{
String downloadMsg = "Downloading: " + d.From + " to " + d.To + ". failOnError=" + d.FailOnError;
LogEvent(downloadMsg);
Log.Info(downloadMsg);
try
{
d.Perform();
}
catch (Exception e)
{
string errorMessage = "Failed to download " + d.From + " to " + d.To;
LogEvent(errorMessage + ". " + e.Message);
Log.Error(errorMessage, e);
// TODO: move this code into the download logic
if (d.FailOnError)
{
throw new IOException(errorMessage, e);
}
// Else just keep going
}
}
string startarguments = _descriptor.Startarguments;
if (startarguments == null)
{
startarguments = _descriptor.Arguments;
}
else
{
startarguments += " " + _descriptor.Arguments;
}
// Load and start extensions
ExtensionManager.LoadExtensions();
ExtensionManager.FireOnWrapperStarted();
LogEvent("Starting " + _descriptor.Executable + ' ' + startarguments);
Log.Info("Starting " + _descriptor.Executable + ' ' + startarguments);
LogHandler executableLogHandler = CreateExecutableLogHandler();
StartProcess(_process, startarguments, _descriptor.Executable, executableLogHandler, true);
ExtensionManager.FireOnProcessStarted(_process);
_process.StandardInput.Close(); // nothing for you to read!
}