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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Azure.Management.AppService.Fluent;
using Microsoft.Azure.Management.Fluent;
namespace Tango.AzureUtils.Logging
{
public class LogStreamManager : AzureUtilsComponentBase
{
private Stream _currentStream;
private StreamReader _reader;
private Thread _pullThread;
public event EventHandler<String> LogAvailable;
public LogStreamManager(IAzure azure) : base(azure)
{
}
public void StopLogStreaming()
{
_reader.Dispose();
_currentStream.Dispose();
_reader = null;
_currentStream = null;
_pullThread = null;
}
public async Task StartLogStreamingAsync(IWebAppBase webApp)
{
_currentStream = await webApp.StreamApplicationLogsAsync();
_reader = new StreamReader(_currentStream);
if (_pullThread == null)
{
_pullThread = new Thread(PullThreadMethod);
_pullThread.IsBackground = true;
_pullThread.Start();
}
}
private void PullThreadMethod()
{
while (_currentStream != null)
{
String line = null;
do
{
try
{
line = _reader.ReadLine();
if (line != null)
{
LogAvailable?.Invoke(this, line);
}
}
catch
{
line = null;
}
} while (line != null);
Thread.Sleep(2000);
}
}
}
}
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