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//
// CrashMonitor.cs
//
// Author:
// Alan McGovern <alan@xamarin.com>
//
// Copyright 2011, Xamarin Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.IO;
using System.Threading;
namespace MonoDevelop.Core.LogReporting
{
public abstract class CrashMonitor : ICrashMonitor
{
public static ICrashMonitor Create (int pid)
{
// FIXME: Add in proper detection for mac/windows/linux as appropriate
return new MacCrashMonitor (pid);
}
public event EventHandler ApplicationExited;
public event EventHandler<CrashEventArgs> CrashDetected;
public int Pid {
get; private set;
}
FileSystemWatcher Watcher {
get; set;
}
protected CrashMonitor (int pid, string path)
: this (pid, path, "")
{
}
protected CrashMonitor (int pid, string path, string filter)
{
Pid = pid;
Watcher = new FileSystemWatcher (path, filter);
Watcher.Created += (o, e) => {
OnCrashDetected (new CrashEventArgs (e.FullPath));
};
// Wait for the parent MD process to exit. This could be a crash
// or a graceful exit.
ThreadPool.QueueUserWorkItem (o => {
// Do a loop rather than calling WaitForExit or hooking into
// the Exited event as those do not work on MacOS on mono 2.10.3
var info = System.Diagnostics.Process.GetProcessById (Pid);
while (!info.HasExited) {
Thread.Sleep (1000);
info.Refresh ();
}
// If the application has crashed we want to wait a few seconds before
// raising this event so we allow time for the native crash reporter to
// write its log files.
Thread.Sleep (5000);
OnApplicationExited ();
});
}
protected virtual void OnApplicationExited ()
{
if (ApplicationExited != null)
ApplicationExited (this, EventArgs.Empty);
}
protected virtual void OnCrashDetected (CrashEventArgs e)
{
if (CrashDetected != null)
CrashDetected (this, e);
}
public void Start () {
Watcher.EnableRaisingEvents = true;
}
public void Stop () {
Watcher.EnableRaisingEvents = false;
}
}
}
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