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Send a Object Explorer session disconnect message on socket exceptions (#739)

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* WIP

* WIP 2

* Send disconnect message o binding exception

* Add a try catch around the binding queue error handler
This commit is contained in:
Karl Burtram
2018-11-16 12:07:05 -08:00
committed by GitHub
parent 7f28f249de
commit 3c915a92f6
5 changed files with 124 additions and 36 deletions
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41
src/Microsoft.SqlTools.ServiceLayer/LanguageServices/BindingQueue.cs
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@@ -5,12 +5,15 @@
using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Diagnostics;
using System.Linq;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.SqlTools.Utility;
using System.Linq;
using Microsoft.SqlTools.ServiceLayer.Utility;
using System.Diagnostics;
using Microsoft.SqlTools.Utility;
namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
{
@@ -33,6 +36,10 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
private Task queueProcessorTask;
public delegate void UnhandledExceptionDelegate(string connectionKey, Exception ex);
public event UnhandledExceptionDelegate OnUnhandledException;
/// <summary>
/// Map from context keys to binding context instances
/// Internal for testing purposes only
@@ -351,11 +358,28 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
Logger.Write(TraceEventType.Error, "Unexpected exception on the binding queue: " + ex.ToString());
if (queueItem.ErrorHandler != null)
{
result = queueItem.ErrorHandler(ex);
try
{
result = queueItem.ErrorHandler(ex);
}
catch (Exception ex2)
{
Logger.Write(TraceEventType.Error, "Unexpected exception in binding queue error handler: " + ex2.ToString());
}
}
if (IsExceptionOfType(ex, typeof(SqlException)) || IsExceptionOfType(ex, typeof(SocketException)))
{
if (this.OnUnhandledException != null)
{
this.OnUnhandledException(queueItem.Key, ex);
}
RemoveBindingContext(queueItem.Key);
}
}
});
Task.Run(() =>
{
try
@@ -371,7 +395,7 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
// if the task didn't complete then call the timeout callback
if (queueItem.TimeoutOperation != null)
{
{
queueItem.Result = queueItem.TimeoutOperation(bindingContext);
}
@@ -469,5 +493,10 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
}
}
}
private bool IsExceptionOfType(Exception ex, Type t)
{
return ex.GetType() == t || (ex.InnerException != null && ex.InnerException.GetType() == t);
}
}
}