//获取任务的线程
public void TaskThreadStart()
{
var devCommStateTimer = 0;
var dt = new DataTable();
var sendTask = new Dictionary <int, int>();
var bll = new ESMonitor.BLL.Tasks();
while (_mThread.IsAlive)
{
var numOfDevs = _mList.Count;
if (devCommStateTimer < _mCheckDevCommStateTime)
{
devCommStateTimer += _mThreadCycleTime;
}
else
{
DevsManage.ManageDevCommState(_mCheckDevCommStateTime);
devCommStateTimer = 0;
}
if (numOfDevs > 0)
{
dt.Clear();
sendTask.Clear();
try
{
dt = bll.GetList("Status=0").Tables[0];
}
catch (Exception)
{
continue;
}
for (var i = 0; i < dt.Rows.Count; i++)
{
if (!_mThread.IsAlive)
{
break;
}
try
{
var devId = Convert.ToInt32(dt.Rows[i]["DevId"]);
//DevsManage.GetLocalCtrlAddr(localCtrlId, ref addr);
if (sendTask.ContainsKey(devId))
{
continue;
}
else
{
sendTask.Add(devId, 1);
}
if (devId > 0)
{
switch ((CommStatus)DevsManage.GetDevStatus(devId))
{
case CommStatus.Busy:
//发送时间超过最大等待时间，删除该发送任务；等下一个周期发送新的任务
if (DevsManage.IsCommTimeout(devId, _mWaittimeout))
{
var taskId = DevsManage.GetCurTaskId(devId);
bll.UpdateStatus(taskId, 2); //发送超时
//DevsManage.SetRecvMsgState(devId, false);
DevsManage.SetCurTaskId(devId, 0);
DevsManage.SetDevStatus(devId, (int)CommStatus.Free);
//重新发送N次
//N次后依然不成功，就提示用户并保留不成功的日志
}
break;
//仅通信准备就绪，空闲时发送数据
case CommStatus.Free:
if (DevsManage.IsRegistered(devId))
{
var taskId = Convert.ToInt64(dt.Rows[i]["TaskId"]);
var length = Convert.ToInt32(dt.Rows[i]["Length"]);
var buffer = (byte[])(dt.Rows[i]["Data"]);
var protocol = Element(devId); //根据id取协议
if (protocol.AsyncSocketUserToken.ConnectSocket != null)
{
lock (protocol)
{
if (protocol.DoSendResult(buffer, 0, length)) //true表示发送成功
{
DevsManage.SetCurTaskId(devId, taskId);
DevsManage.SetDevStatus(devId, (int)CommStatus.Busy);
DevsManage.UpdateSendTime(devId);
}
}
}
}
break;
//通信状态断开，不发送
case CommStatus.DisConnect:
break;
}
}
}
catch (Exception e)
{
Program.Logger.ErrorFormat("Task thread send command error, message: {0}", e.Message);
Program.Logger.Error(e.StackTrace);
Program.OutputLog.LogFormat("Task thread send command error, message: {0}", e.Message);
}
}
}
if (!_mThread.IsAlive)
{
break;
}
Thread.Sleep(_mThreadCycleTime); //每秒钟
}
dt.Clear();
}