mirror of https://github.com/winsw/winsw
Added file sharing mode and protected thread body.
parent
8d1deb2ae4
commit
91382d4851
45
Main.cs
45
Main.cs
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@ -94,7 +94,7 @@ namespace winsw
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int THRESHOLD = 10 * 1024 * 1024; // rotate every 10MB. should be made configurable.
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byte[] buf = new byte[1024];
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FileStream w = new FileStream(baseName + ext,FileMode.Append);
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FileStream w = new FileStream(baseName + ext, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
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long sz = new FileInfo(baseName + ext).Length;
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while (true)
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@ -141,7 +141,7 @@ namespace winsw
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// even if the log rotation fails, create a new one, or else
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// we'll infinitely try to rotate.
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w = new FileStream(baseName + ext, FileMode.Create);
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w = new FileStream(baseName + ext, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
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sz = new FileInfo(baseName + ext).Length;
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}
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}
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@ -188,6 +188,9 @@ namespace winsw
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}
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/// <summary>
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/// File replacement.
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/// </summary>
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private void CopyFile(string sourceFileName, string destFileName)
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{
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try
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@ -201,6 +204,25 @@ namespace winsw
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}
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}
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/// <summary>
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/// Starts a thread that protects the execution with a try/catch block.
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/// It appears that in .NET, unhandled exception in any thread causes the app to terminate
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/// http://msdn.microsoft.com/en-us/library/ms228965.aspx
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/// </summary>
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private void StartThread(ThreadStart main)
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{
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new Thread(delegate() {
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try
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{
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main();
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}
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catch (Exception e)
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{
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WriteEvent("Thread failed unexpectedly",e);
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}
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}).Start();
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}
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/// <summary>
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/// Handle the creation of the logfiles based on the optional logmode setting.
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/// </summary>
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@ -220,12 +242,12 @@ namespace winsw
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if (descriptor.Logmode == "rotate")
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{
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string logName = Path.Combine(logDirectory, baseName);
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new Thread(delegate() { CopyStreamWithRotation(process.StandardOutput.BaseStream, logName, ".out.log"); }).Start();
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new Thread(delegate() { CopyStreamWithRotation(process.StandardError.BaseStream, logName, ".err.log"); }).Start();
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StartThread(delegate() { CopyStreamWithRotation(process.StandardOutput.BaseStream, logName, ".out.log"); });
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StartThread(delegate() { CopyStreamWithRotation(process.StandardError.BaseStream, logName, ".err.log"); });
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return;
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}
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System.IO.FileMode fileMode = FileMode.Append;
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FileMode fileMode = FileMode.Append;
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if (descriptor.Logmode == "reset")
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{
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@ -237,8 +259,8 @@ namespace winsw
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CopyFile(errorLogfilename, errorLogfilename + ".old");
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}
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new Thread(delegate() { CopyStream(process.StandardOutput.BaseStream, new FileStream(outputLogfilename, fileMode)); }).Start();
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new Thread(delegate() { CopyStream(process.StandardError.BaseStream, new FileStream(errorLogfilename, fileMode)); }).Start();
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StartThread(delegate() { CopyStream(process.StandardOutput.BaseStream, new FileStream(outputLogfilename, fileMode, FileAccess.Write, FileShare.ReadWrite)); });
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StartThread(delegate() { CopyStream(process.StandardError.BaseStream, new FileStream(errorLogfilename, fileMode, FileAccess.Write, FileShare.ReadWrite)); });
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}
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private void LogEvent(String message)
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@ -265,6 +287,11 @@ namespace winsw
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}
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}
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private void WriteEvent(Exception exception)
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{
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WriteEvent(exception.Message + "\nStacktrace:" + exception.StackTrace);
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}
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private void WriteEvent(String message, Exception exception)
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{
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WriteEvent(message + "\nMessage:" + exception.Message + "\nStacktrace:" + exception.StackTrace);
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@ -466,7 +493,7 @@ namespace winsw
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WriteEvent("Started " + process.Id);
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// monitor the completion of the process
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new Thread(delegate()
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StartThread(delegate()
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{
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string msg = process.Id + " - " + process.StartInfo.FileName + " " + process.StartInfo.Arguments;
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process.WaitForExit();
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@ -496,7 +523,7 @@ namespace winsw
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{
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LogEvent("Dispose " + ioe.Message);
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}
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}).Start();
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});
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}
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public static int Main(string[] args)
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