/// <summary>
/// Send KeepAlive message
/// </summary>
public void KeepAlive()
{
lock (SyncRoot)
{
if (m_HartIPConn.IsConnected)
{
HARTMsgResult Result = new HARTMsgResult();
try
{
m_HartIPConn.SendKeepAlive(Result);
}
catch (Exception e)
{
Result.AddMessage(e.Message, false, true);
m_Error = "KeepAlive: " + e.Message;
Logger.Log("Error, " + m_Error, true);
}
}
}
}
/// <summary>
/// Create a HART Close Session Request, send it to the Gateway,
/// and close the socket.
/// </summary>
/// <param name="Result"><see cref="HARTMsgResult">HARTMsgResult</see></param>
public void CloseSession(HARTMsgResult Result)
{
HartIPRequest Req = null;
do
{
Req = HartIPRequest.CloseSession(TransactionId);
MsgResponse MsgRsp = new MsgResponse(HARTIPConnect.USE_SOCKET_TIMEOUT_DEFAULT);
if (SendHartRequest(Req, MsgRsp))
{
try
{ // wait for the object return or timeout
if (MsgRsp.GetResponse() == false)
{
Result.AddMessage("Close Session failed: No response was received.", false, true);
break;
}
if (!MsgRsp.ResponseMsg.IsValidResponse)
{
Result.AddMessage("Close Session failed: Received an invalid response msg type.", false, true);
break;
}
LogMsg.Instance.Log(MsgRsp.ResponseMsg.ToString());
}
catch
{
Result.AddMessage("Close Session failed.", false, true);
break;
}
}
else
{
Result.AddMessage("Close Session failed.", false, true);
break;
}
} while (false); /* ONCE */
Close();
Result.AddMessage("Closed the HPort socket.", false, true);
}
/// <summary>
/// Disconnect - end HART-IP session
/// </summary>
public void Disconnect()
{
HARTMsgResult Result = new HARTMsgResult();
m_HartIPConn.CloseSession(Result);
}
