public static void AddToQueue(FileFaceImage date)
{
lock (_datequeue)
{
_datequeue.Enqueue(date);
}
}
private void WatcherOnChanged(object sender, FileSystemEventArgs e)
{
if (e.ChangeType == WatcherChangeTypes.Created)
{
// 文件格式范例 172.31.108.248_01_20170905143220480_FACE_ALARM.jpg
string[] vals = e.Name.Split('_');
if (vals.Length >= 3)
{
if (e.FullPath.EndsWith(".jpg") || e.FullPath.EndsWith(".bmp") ||
e.FullPath.EndsWith(".png"))
{
string cameraIp = vals[0];
if (cameraIp.Contains("\\"))
{
cameraIp = cameraIp.Substring(0, cameraIp.IndexOf("\\"));
}
string fileTime = DateTime.Now.ToString("yyyyMMddHHmmss");
Thread.Sleep(50);
if (e.FullPath.ToLower().Contains("face"))
{
var fileFace = new FileFaceImage(fileTime, DateTime.Now, cameraIp, e.FullPath);
Log4NetHelper.Instance.Info("抓拍人脸图像文件:" + cameraIp + "," + Path.GetFileName(e.FullPath));
ResultFileQueue.AddToQueue(fileFace);
}
else
{
Log4NetHelper.Instance.Debug("抓拍人脸图像文件忽略:" + e.FullPath);
}
}
}
}
}
public static FileFaceImage GetFromQueue()
{
FileFaceImage data = null;
lock (_datequeue)
{
if (_datequeue.Count >= 0)
{
_datequeue.TryDequeue(out data); //从队列中取数据
}
}
return(data);
}
private void watcher_FaceEvent(FileFaceImage faceimage)
{
if (faceimage == null || string.IsNullOrEmpty(faceimage.ImgFilePath))
{
return;
}
///////////////////////////////////
// 增加发送到Kafka
try
{
string outputfile = Guid.NewGuid().ToString().Replace("-", "") + ".jpg";
string filedir = _faceFilePath + DateTime.Today.ToString("yyyy-M-d") + "\\";
if (!Directory.Exists(filedir))
{
Directory.CreateDirectory(filedir);
}
File.Copy(faceimage.ImgFilePath, filedir + outputfile);
Log4NetHelper.Instance.Info("图像存储文件：" + outputfile);
// 将数据进行组合后重新发送
string serveroutputPath = GetResultImageServerPath(filedir + outputfile);
var resultkafka = new FaceImg4kafka();
resultkafka.ImgNum = ConvertHelper.DateTimeToStamp().ToString();
resultkafka.PassTime = faceimage.TimeStamp;
resultkafka.CameraIp = faceimage.CameraIp;
resultkafka.FaceUrl = serveroutputPath;
string resultjson = Newtonsoft.Json.JsonConvert.SerializeObject(resultkafka);
_imgkafkaActor.Send2Quere(resultjson);
}
catch (Exception ex)
{
Log4NetHelper.Instance.Error("FaceEvent生成Kakfa数据出现错误：" + ex.Message);
}
///////////////////////////////////
if (NoticeFaceEvent != null)
{
Image faceImg = new Bitmap(faceimage.ImgFilePath);
string frameid = ObjectCopier.Clone(faceimage.TimeStamp);
DateTime createDate = faceimage.CreateTime;
SnapVideoImage videoImg = new SnapVideoImage(_videoSrcUrl, frameid, 1, createDate, faceImg);
NoticeFaceEvent(videoImg);
}
}
private void StartFileTask()
{
if (_taskFile != null)
{
return;
}
_taskFile = Task.Run(() =>
{
while (true)
{
try
{
// 取消任务判断
if (_tokenFileWatch.IsCancellationRequested)
{
break;
}
FileFaceImage message = ResultFileQueue.GetFromQueue();
if (message == null)
{
Thread.Sleep(1000);
continue;
}
else
{
if (ReceiveFaceEvent != null)
{
// 该处理确保图像文件已经完成，可以进行读取操作
Thread.Sleep(500);
ReceiveFaceEvent(message);
}
}
}
catch (Exception ex)
{
Log4NetHelper.Instance.Error("从队列发送Kafka数据错误:" + (ex.InnerException != null ? ex.InnerException.Message : ex.Message));
}
Thread.Sleep(1000);
}
}, _tokenFileWatch.Token);
}
