/*
* TODO: What are the function documentation comments supposed to be formatted like?
* Start the node if it is not already started.
*
* Throws FileNotFoundException
*/
public void Start()
{
if (IsRunning())
{
return;
}
try
{
// TODO: Under what circumstances will Process.Start() return null?
_wrapper = Process.Start(_wrapperInfo);
_wrapper.EnableRaisingEvents = true;
_wrapper.Exited += Wrapper_Exited;
}
catch (Win32Exception ex)
{
// http://msdn.microsoft.com/en-us/library/0w4h05yb%28v=vs.110%29.aspx
switch (ex.NativeErrorCode)
{
case ERROR_FILE_NOT_FOUND:
FNLog.Error("Cannot start Freenet: wrapper executable not found.");
OnCrashed(CrashType.WrapperFileNotFound);
return;
case ERROR_INSUFFICIENT_BUFFER:
case ERROR_ACCESS_DENIED:
FNLog.Error("Cannot start Freenet: the file path is too long.");
OnCrashed(CrashType.PathTooLong);
return;
default:
FNLog.ErrorException(ex, "Cannot start Freenet: Process.Start() gave an error code it is not documented as giving.");
throw;
}
}
OnStarted(this, null);
}
private void FindNode()
{
while (true)
{
try
{
_node = new NodeController();
break;
}
catch (FileNotFoundException e)
{
FNLog.ErrorException(e, "Failed to find file");
}
catch (DirectoryNotFoundException e)
{
FNLog.ErrorException(e, "Failed to find directory");
}
catch (NodeController.MissingConfigValueException e)
{
// If the configuration files exist but are missing required
// values it is sufficiently surprising to warrant an error
// dialog.
FNLog.Error(strings.MalformedConfig, e.Filename, e.Value);
MessageBox.Show(String.Format(strings.MalformedConfig, e.Filename, e.Value), "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (MissingJRE)
{
// No JRE was found
FNLog.Error(strings.JRENotFound);
MessageBox.Show(strings.JRENotFound, "", MessageBoxButtons.OK, MessageBoxIcon.Error);
/* Cannot continue for now */
Application.Exit();
return;
}
// TODO: Explain what happened to prompt a custom location?
try
{
PreferencesWindow.PromptCustomLocation(this);
}
catch (OperationCanceledException)
{
/* User exited the file browser. */
Application.Exit();
return;
}
}
_node.OnStarted += NodeStarted;
_node.OnStopped += NodeStopped;
_node.OnCrashed += NodeCrashed;
foreach (var menuItem in new[]
{
openFreenetMenuItem,
startFreenetMenuItem,
stopFreenetMenuItem,
downloadsMenuItem,
viewLogsMenuItem,
preferencesMenuItem,
hideIconMenuItem,
})
{
menuItem.Enabled = true;
}
// Set menu up for whether there is an existing node.
RefreshMenu(_node.IsRunning());
ReadCommandLine();
}