public void OnDataReceived(IDtuConnection c, DtuMsg msg)
{
if (msg == null)
{
Log.ErrorFormat("Received a null msg from {0}.", c);
return;
}
if (!msg.IsOK())
{
Log.DebugFormat("Invalid Msg, dropped.");
return;
}
TranMsg tm = new TranMsg(msg.Databuffer);
// Send ack.
TranMsg ack = new HeartBeatTranMsg(Convert.ToInt32(msg.DtuId), tm.LoadSize); // ACK
ack.ID = tm.ID; // SAME.
c.Asend(ack.Marshall());
if (TranMsgType.HeartBeat == tm.Type)
{
// HeartBeat.
Log.DebugFormat("heartBeat, send ack and continue");
return;
}
Log.DebugFormat("OnDataReceived: id={4},result={0}, len={1}, pkg={2}/{3}", msg.ErrorCode,
msg.Databuffer != null ? msg.Databuffer.Length : 0, tm.PackageIndex, tm.PackageCount, tm.ID);
if (!tm.IsLastPackage())
{
// 入列.
this.EnqueueMsg(tm);
return;
}
// 最后一包已到达, 或仅一包.
TranMsg outMsg = null;
if (tm.PackageCount > 1)
{
Log.DebugFormat("Last package, combine them.");
outMsg = this.CombineMsg(tm.Type); //组包
}
else
{
outMsg = tm; //单包.
}
// 委托调用.
if (this.OnTranMsgReceived != null)
{
this.OnTranMsgReceived(tm.Type, outMsg);
}
}
public bool HeartBeat()
{
if (this._dtuConnection.IsAvaliable())
{
HeartBeatTranMsg req = new HeartBeatTranMsg(this.DtuCode, 0);
TranAckMsg resp;
if (this.SSend(req, 5, out resp))
{
return(true);
}
}
return(false);
}
