/// <summary>
///
/// </summary>
/// <param name="url">验证服务的URL</param>
/// <param name="fileName">验证图片的文件名</param>
/// <param name="alarmImg">验证图片</param>
/// <param name="callback">回调函数(回调函数为null，则会出发验证完成事件)</param>
public void ExecuteVerifyAsync(string url, string fileName, Image alarmImg, Action <VerifyResult> callback = null)
{
maxAccepted.WaitOne(); //获取信号量
VerifyProcess tmpHandler = evtHandlers.Dequeue();
if (tmpHandler != null)
{
if (!tmpRequest.ContainsKey(fileName) && callback != null)
{
tmpRequest.Add(fileName, callback);
}
tmpHandler.VerifyPersonAsync(url, fileName, alarmImg);
}
}
//操作完成后
private void verTask_OnCompleted(VerifyProcess sender, VerifyResult arg)
{
evtHandlers.Enqueue(sender);
maxAccepted.Release();
if (tmpRequest.ContainsKey(arg.Key))
{
try
{
Action <VerifyResult> callback = tmpRequest[arg.Key];
if (callback != null)
{
callback(arg);
}
else
{
if (OnVerifyCompleted != null)
{
OnVerifyCompleted(arg);
}
}
}
catch (Exception exp)
{
Logger.AddLog(this.GetType(), "VerifyCenter.Part1", exp.Message);
}
finally
{
tmpRequest.Remove(arg.Key);
}
}
else
{
try
{
if (OnVerifyCompleted != null)
{
OnVerifyCompleted(arg);
}
}
catch (Exception exp)
{
Logger.AddLog(this.GetType(), "VerifyCenter.Part2", exp.Message);
}
}
}
public VerifyResult ExecuteVerify(string url, string fileName, Image alarmImg)
{
maxAccepted.WaitOne(); //获取信号量
VerifyProcess tmpHandler = evtHandlers.Dequeue();
VerifyResult result = null;
if (tmpHandler != null)
{
if (string.IsNullOrWhiteSpace(fileName))
{
fileName = Guid.NewGuid().ToString();
}
result = tmpHandler.VerifyImage(url, fileName, alarmImg);
}
evtHandlers.Enqueue(tmpHandler);
maxAccepted.Release();
return(result);
}
private VerifyCenter(int maxTask)
{
try
{
MaxThreads = maxTask;
this.maxAccepted = new Semaphore(MaxThreads, MaxThreads);
tmpRequest = new Dictionary <string, Action <VerifyResult> >();
evtHandlers = new PoolQueue <VerifyProcess>(MaxThreads + 2);
for (int i = 0; i < MaxThreads; i++)
{
VerifyProcess verTask = new VerifyProcess();
verTask.OnCompleted += verTask_OnCompleted;
evtHandlers.Enqueue(verTask);
}
}
catch (Exception exp)
{
Logger.AddLog(this.GetType(), "VerifyCenter", exp.Message);
}
}