//------------------------------------------------------------------------------------------------------------------------
public void OnRxRsp(MqttMsg wrapper_msg, object api_msg)
{
//sanity check
DebugEx.Assert(wrapper_msg.SyncId != 0, "Responses must have syncId set to a non-zero number");
if (wrapper_msg.SyncId == 0)
{
return;
}
//get id
int syncId = wrapper_msg.SyncId;
//find blocked transaction, if any
RpcBlocker w = null;
lock (RpcPending)
if (RpcPending.TryGetValue(syncId, out w))
{
RpcPending.Remove(syncId);
} //remove if found
//set result and wake
if (w != null)
{
lock (w)
{
w.Response = api_msg;
Monitor.Pulse(w);
}
}
else
{
DebugEx.TraceError("Could not find mqtt waiter from response message with ResponseToSeqNo=" + syncId);
}
}
//------------------------------------------------------------------------------------------------------------------------
public Trsp SendRequest <Trsp>(API.ApiMsg request, TimeSpan?timeout = null)
{
//check
if (request == null)
{
DebugEx.Assert("Request msg cannot be null");
return(default(Trsp));
}
//set default timeout
if (timeout == null)
{
timeout = TimeSpan.FromSeconds(15);
}
//generate ID
int syncId = GetNewSyncId();
//create msg
MqttMsg msg;
try
{
msg = new MqttMsg()
{
IsRequest = true,
SyncId = syncId,
Payload = request.ToJSON(HtmlEncode: false)
};
}
catch (Exception ex)
{
DebugEx.Assert(ex, "Could not create request msg");
return(default(Trsp));
}
//create waiter
var w = new RpcBlocker();
lock (RpcPending)
RpcPending.Add(syncId, w);
//wait for response
lock (w)
{
//publish msg
if (request is Yodiwo.API.Warlock.WarlockApiMsg)
{
this.MqttClient.PublishMqttMsg(msg, this.mqttCloudBrokerPubTopicPrefix + Yodiwo.API.Warlock.WarlockAPI.ApiMsgNames[request.GetType()]);
}
else if (request is Yodiwo.API.Plegma.PlegmaApiMsg)
{
this.MqttClient.PublishMqttMsg(msg, this.mqttCloudBrokerPubTopicPrefix + PlegmaAPI.ApiMsgNames[request.GetType()]);
}
if (timeout == null)
{
Monitor.Wait(w);
}
else
{
Monitor.Wait(w, timeout.Value);
}
}
//remove if found
lock (RpcPending)
RpcPending.Remove(syncId);
//give response back
if (w.Response == null)
{
return(default(Trsp));
}
else
{
return((Trsp)w.Response);
}
}
