public static TheRecordHolder MeshQueryRecordHolder(int idRecord, Guid node, string strEngineName, Guid cdeMIdThing)
{
TheRecordHolder trh = null;
// Package up request info.
MsgMileRecordHolder msgRequest = new MsgMileRecordHolder()
{
id = idRecord
};
// Start asynchronous task to send a message and wait for a reply.
// Sends a message named nameof(MsgMileRecordHolder)
// Receives a reply named nameof(MsgMileRecordHolderResponse)
// See function "HandleMessage" for actual handling.
Task <MsgMileRecordHolderResponse> t = null;
try
{
TheMessageAddress tma = new TheMessageAddress()
{
Node = Guid.Empty,
EngineName = strEngineName,
ThingMID = cdeMIdThing,
SendToProvisioningService = false,
};
t = TheCommRequestResponse.PublishRequestJSonAsync <MsgMileRecordHolder, MsgMileRecordHolderResponse>(tma, msgRequest);
}
catch (Exception ex)
{
string strMessage = ex.Message;
}
// Wait for a bit
t.Wait(20000);
bool bTaskCompleted = t.IsCompleted;
// Check for success.
if (bTaskCompleted)
{
MsgMileRecordHolderResponse msgResponse = t.Result;
trh = msgResponse.data;
}
return(trh);
}
/// <summary>
/// Handles Messages sent from a host sub-engine to its clients
/// </summary>
/// <param name="sender"></param>
/// <param name="pIncoming"></param>
public void HandleMessage(ICDEThing sender, object pIncoming)
{
TheProcessMessage pMsg = pIncoming as TheProcessMessage;
if (pMsg == null)
{
return;
}
string[] cmd = pMsg.Message.TXT.Split(':');
switch (cmd[0])
{
case "CDE_INITIALIZED":
MyBaseEngine.SetInitialized(pMsg.Message);
break;
case nameof(MsgMileRecordHolder):
if (g_EnableMeshDataResponse)
{
// Request from another node for mile record holder information.
var request = TheCommRequestResponse.ParseRequestMessageJSON <MsgMileRecordHolder>(pMsg.Message);
var MsgResponse = new MsgMileRecordHolderResponse();
if (request != null)
{
MsgResponse.data = TheRecordHolder.QueryRecordHolder(request.id);
}
TheCommRequestResponse.PublishResponseMessageJson(pMsg.Message, MsgResponse);
MsgResponse = null; // Prevent legacy response handler for being sent.
}
break;
default:
break;
}
}