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Tracing.cs
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using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace CommonTools
{
public class Tracing
{
static Tracing m_instance = new Tracing();
static public void StartTrack(int id)
{
if (m_instance.CanTrace(id) == false)
return;
m_instance.PushTick();
}
static public void EndTrack(int id, string text)
{
if (m_instance.CanTrace(id) == false)
return;
m_instance.PopTick(text, null);
}
static public void EndTrack(int id, string text, params object[] args)
{
if (m_instance.CanTrace(id) == false)
return;
m_instance.PopTick(text, args);
}
static public void AddId(int id)
{
m_instance.m_ids[id] = true;
}
static public void WriteLine(int id, string text, params object[] args)
{
if (m_instance.CanTrace(id) == false)
return;
m_instance.WriteLine(text, args);
}
static public void EnableTrace()
{
m_instance.m_thread = new Thread(new ThreadStart(m_instance.DoTrace));
m_instance.m_thread.Name = "Tracing";
m_instance.m_thread.Priority = ThreadPriority.Normal;
m_instance.m_thread.Start();
}
static public void Terminate()
{
if (m_instance.m_thread != null)
m_instance.m_thread.Abort();
m_instance.m_thread = null;
}
Stack<int> m_ticks = new Stack<int>();
Queue<StringBuilder> m_strings = new Queue<StringBuilder>();
Dictionary<int, bool> m_ids = new Dictionary<int,bool>();
Thread m_thread;
ManualResetEvent m_wait = new ManualResetEvent(false);
Tracing()
{
}
bool CanTrace(int id)
{
return m_thread != null && m_ids.ContainsKey(id);
}
void PushTick()
{
m_ticks.Push(Environment.TickCount);
}
void PopTick(string text, params object[] args)
{
StringBuilder sb = new StringBuilder();
int elapsedtime = Environment.TickCount - m_ticks.Pop();
if (args == null)
sb.AppendFormat("{0}: {1}, Ticks({2})", DateTime.Now.ToLongTimeString(), text, elapsedtime.ToString());
else
{
sb.AppendFormat("{0}: ", DateTime.Now.ToLongTimeString());
sb.AppendFormat(text, args);
sb.AppendFormat(", Ticks({0})", elapsedtime.ToString());
}
sb.AppendLine();
lock (m_strings)
{
m_strings.Enqueue(sb);
m_wait.Set();
}
}
void WriteLine(string text, params object[] args)
{
StringBuilder sb = new StringBuilder();
if (args == null)
sb.AppendFormat("{0}: {1}", DateTime.Now.ToLongTimeString(), text);
else
{
sb.AppendFormat("{0}: ", DateTime.Now.ToLongTimeString());
sb.AppendFormat(text, args);
}
sb.AppendLine();
lock (m_strings)
{
m_strings.Enqueue(sb);
m_wait.Set();
}
}
void DoTrace()
{
while (true)
{
m_wait.WaitOne();
while (m_strings.Count > 0)
{
StringBuilder sb = null;
lock (m_strings)
{
sb = m_strings.Dequeue();
}
Console.Write(sb.ToString());
}
m_wait.Reset();
}
}
}
}