/// <summary>
/// 写入任务信息到 redis
/// </summary>
private void WriteTaskInfo(string key, string value)
{
try {
TYData.StringSet(key, value);
} catch (Exception) {
//写入失败 不做任何操作
}
}
//任务2，不断读取Redis节点信息存储并匹配吊弦图像
private void TaskMatchImg()
{
ImgSaveNode imgNode;
CallInfo?.Invoke($"T#读取吊弦数据!\n");
//直到有值为止
while (queImgInfo.Count == 0)
{
Thread.Sleep(3000);//休眠3秒
}
lock (obj) {
imgNode = queImgInfo.Dequeue();
CallInfo?.Invoke($"T#匹配杆号:{imgNode.sKM_Pole}\n");
}
while (_taskRunning)
{
//获取数据起始下标--防止redis数据库崩溃
bool redisConn = false;
while (!redisConn)
{
try {
if (RedisHelper.IsConnect)
{
if (!RedisHelper.ReConnect())
{
Thread.Sleep(1000);//休息1秒重试
continue;
}
}
string lsImgInd = TYData.StringGet("LstImgInd");
if (string.IsNullOrEmpty(lsImgInd))
{
_iImgInd = 0;
}
_iImgInd = long.Parse(lsImgInd);
redisConn = true;
} catch (Exception) {
_iImgInd = 0;
redisConn = false;
}
}
if (queImgInfo.Count < 3)
{
Thread.Sleep(1000);//防止redis数据写的太慢来不及匹配
}
string[] imgKeys = imgInfoDB.ListRange("list", _iImgInd, _iImgInd + m_iSaveImgNumByOnce);
for (int i = 0; i < imgKeys.Length; ++i)
{
string imgKey = imgKeys[i];
string sJson = imgInfoDB.StringGet(imgKey);
if (string.IsNullOrEmpty(sJson))
{
continue;
}
//考虑一种情况，redis数据库崩溃了 丢失了很多图像， 中间很多定位信息无用直接跳过
//t: 132430543471152878 min 132430663964619500 max
PicInfo picInfo = JsonHelper.GetModel <PicInfo>(sJson);
Int64 imgTimeStamp = picInfo.UTC;//ConvertUTC(imgKey);
//说明redis中的图像 比 当前MongoDB数据早，扔掉
if (imgTimeStamp < imgNode.minImgTimeStamp)
{
continue;
}//min<imgTimeStamp<max
else if (imgTimeStamp < imgNode.maxImgTimeStamp)
{
imgNode.lstImgId.Add(imgKey);//添加到列表中
//获取图像数据 并存储
byte[] imgData = imgDB.GetByte(imgKey);
//PATH+ 战区 \ 公里标_杆号\ 时间_k公里标_杆号_区域编号_相机编号 115600414_K5778_Z2-25_6_13
string imgFullPath = Path.Combine(TaskPath, imgNode.StationName);
// \ 公里标_杆号\
imgFullPath = Path.Combine(imgFullPath, "K" + imgNode.sKM_Pole);
FileHelper.CreateDir(imgFullPath);//如果不存在则创建当前文件夹
string cid = FileHelper.iTos(picInfo.CID);
string imgName = GetImgName(imgKey, cid, imgNode.sKM_Pole);
//MessageBox.Show(imgFullPath);
bool flag = FileHelper.ImgToFile(Path.Combine(imgFullPath, imgName), imgData);
if (flag)
{
//成功存储 进行计数
++_iTotalSaveNum;
CallInfo?.Invoke($"T#杆号：{imgNode.sKM_Pole} -- 共存储:{_iTotalSaveNum}条\n");
}
}
else
{
//当前图像信息时间戳>杆号记录点时间戳 垮杆了则重新获取imgTimeStamp>=imgNode.maxImgTimeStamp
while (queImgInfo.Count == 0)
{
//若队列里面没有数据//休眠5秒
Thread.Sleep(5000);
}
string sjsonSaveNode = JsonHelper.GetJson(imgNode);
WriteTaskInfo(imgNode.sKM_Pole, sjsonSaveNode); //存储
lock (obj) {
imgNode = queImgInfo.Dequeue(); //直到有值为止
CallInfo?.Invoke($"T#匹配杆号:{imgNode.sKM_Pole}\n");
}
--i;
}
}
if (imgKeys.Length == 0)
{
Thread.Sleep(10000);//若没有图像获取到休眠10秒
}
else
{
_iImgInd += imgKeys.Length;
// LogRecord();//日志数据记录
//记录读取图像列表的下标
WriteTaskInfo("LstImgInd", _iImgInd.ToString());
//记录存储的图像总数量
WriteTaskInfo("saveImgNum", _iTotalSaveNum.ToString());
}
}
}
