VistA-Scheduling/cs/bsdx0200GUISourceCode/RPCLogger.cs

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/* Written by Sam Habiel in May 2011
* Licensed under LGPL */
using System;
using System.Collections.Generic;
using System.Text;
using IndianHealthService.BMXNet;
using System.Diagnostics;
namespace IndianHealthService.ClinicalScheduling
{
/// <summary>
/// Class to Log Calls to RPMS/VISTA back and forth. Implements BMXNet.[I]Log interaface.
/// Logger is implemented as a Queue Collection of class EventToLog
/// </summary>
public class RPCLogger: Log
{
/// <summary>
/// Max size of Log
/// </summary>
const int maxsize = 1000;
/// <summary>
/// Stop Watch to keep track of time between calls.
/// </summary>
Stopwatch _watch;
/// <summary>
/// ctor
/// </summary>
public RPCLogger()
{
_logger = new List<EventToLog>(maxsize);
_watch = new Stopwatch();
_watch.Start();
}
public bool IsLogging { get; set; }
//Event to notify interested controls that we have more data
public event EventHandler<EventToLog> HaveMoreData;
private List<EventToLog> _logger;
public List<EventToLog> Logger
{
get { return _logger; }
}
/// <summary>
/// Data Structure to Log
/// </summary>
public class EventToLog: EventArgs
{
public DateTime EventTime { get; set; }
public long ElapasedTime { get; set; }
public string Class { get; set; }
public string Category { get; set; }
public string Lines { get; set; }
public Exception Exception { get; set; }
public override string ToString()
{
return EventTime.TimeOfDay + "\t" + Category + "\t" + Class + "\t" + ElapasedTime + " ms";
}
}
/// <summary>
/// Chained to Below
/// </summary>
public void Log(string aClass, string aCategory, params string[] lines)
{
Log(aClass, aCategory, null, lines);
}
/// <summary>
/// Adds Log entry to queue object
/// </summary>
public void Log(string aClass, string aCategory, Exception anException, params string[] lines)
{
if (_logger.Count >= maxsize - 1) _logger.RemoveAt(_logger.Count - 1);
EventToLog _e = new EventToLog
{
EventTime = DateTime.Now,
Class = aClass,
Category = aCategory,
Lines = String.Join("\r\n", lines),
Exception = anException,
ElapasedTime = _watch.ElapsedMilliseconds
};
_logger.Add(_e);
_watch.Reset();
_watch.Start();
//Tell subscribers to this event that we want attention!!!!
if (HaveMoreData != null) HaveMoreData(this, _e);
}
}
}