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authorsr55 <sr55.hb@outlook.com>2011-02-20 16:07:48 +0000
committersr55 <sr55.hb@outlook.com>2011-02-20 16:07:48 +0000
commitd4e4884ba7c70fec361a7dc411d819720ac320d3 (patch)
tree12f1004cf696a26a61f2556a9e2ca5507346b72c
parentcc3e6f976310bcc72b31f4011edb7270e885e6b4 (diff)
WinGui:
- Add some locking onto the CLI Exited and CLI StdErr Message received threads to prevent exceptions. This is only a temporary fix as we may lose a few log messages off the end by cancelling the logging too early. git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3802 b64f7644-9d1e-0410-96f1-a4d463321fa5
-rw-r--r--win/C#/HandBrake.ApplicationServices/Services/Encode.cs56
1 files changed, 43 insertions, 13 deletions
diff --git a/win/C#/HandBrake.ApplicationServices/Services/Encode.cs b/win/C#/HandBrake.ApplicationServices/Services/Encode.cs
index 2e106562a..f8be44e87 100644
--- a/win/C#/HandBrake.ApplicationServices/Services/Encode.cs
+++ b/win/C#/HandBrake.ApplicationServices/Services/Encode.cs
@@ -6,6 +6,7 @@
namespace HandBrake.ApplicationServices.Services
{
using System;
+ using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.Text;
@@ -51,6 +52,13 @@ namespace HandBrake.ApplicationServices.Services
/// </summary>
private Win7 windowsSeven = new Win7();
+ /// <summary>
+ /// A Lock for the filewriter
+ /// </summary>
+ static readonly object fileWriterLock = new object();
+
+ static readonly object syncObject = new object();
+
#endregion
/// <summary>
@@ -64,6 +72,8 @@ namespace HandBrake.ApplicationServices.Services
#region Delegates and Event Handlers
+ public delegate void ProcessEncodeEventsDelegate();
+
/// <summary>
/// Fires when a new CLI QueueTask starts
/// </summary>
@@ -173,7 +183,9 @@ namespace HandBrake.ApplicationServices.Services
CreateNoWindow = !Init.ShowCliForInGuiEncodeStatus ? true : false
};
- this.HbProcess = Process.Start(cliStart);
+ this.HbProcess = new Process { StartInfo = cliStart };
+
+ this.HbProcess.Start();
if (enableLogging)
{
@@ -347,7 +359,6 @@ namespace HandBrake.ApplicationServices.Services
private void HbProcessExited(object sender, EventArgs e)
{
IsEncoding = false;
-
if (windowsSeven.IsWindowsSeven)
{
windowsSeven.SetTaskBarProgressToNoProgress();
@@ -360,10 +371,24 @@ namespace HandBrake.ApplicationServices.Services
try
{
- if (fileWriter != null)
+ lock (fileWriterLock)
{
- fileWriter.Close();
- fileWriter.Dispose();
+ // This is just a quick hack to ensure that we are done processing the logging data.
+ // Logging data comes in after the exit event has processed sometimes. We should really impliment ISyncronizingInvoke
+ // and set the SyncObject on the process. I think this may resolve this properly.
+ // For now, just wait 2.5 seconds to let any trailing log messages come in and be processed.
+ Thread.Sleep(2500);
+
+ this.HbProcess.CancelErrorRead();
+ this.HbProcess.CancelOutputRead();
+
+ if (fileWriter != null)
+ {
+ fileWriter.Close();
+ fileWriter.Dispose();
+ }
+
+ fileWriter = null;
}
}
catch (Exception exc)
@@ -479,21 +504,26 @@ namespace HandBrake.ApplicationServices.Services
lock (logBuffer)
logBuffer.AppendLine(e.Data);
- if (fileWriter != null && fileWriter.BaseStream.CanWrite)
+ lock (fileWriterLock)
{
- fileWriter.WriteLine(e.Data);
-
- // If the logging grows past 100MB, kill the encode and stop.
- if (fileWriter.BaseStream.Length > 100000000)
+ if (fileWriter != null && fileWriter.BaseStream.CanWrite)
{
- this.Stop(new Exception("The encode has been stopped. The log file has grown to over 100MB which indicates a serious problem has occured with the encode." +
- "Please check the encode log for an indication of what the problem is."));
+ fileWriter.WriteLine(e.Data);
+
+ // If the logging grows past 100MB, kill the encode and stop.
+ if (fileWriter.BaseStream.Length > 100000000)
+ {
+ this.Stop(
+ new Exception(
+ "The encode has been stopped. The log file has grown to over 100MB which indicates a serious problem has occured with the encode." +
+ "Please check the encode log for an indication of what the problem is."));
+ }
}
}
}
catch (Exception exc)
{
- // errorService.ShowError("Unable to write log data...", exc.ToString());
+ // Do Nothing.
}
}
}