// Topic subscription, called from upper layer (i.e. some MonoBahavior
public async Task <ServiceReply> Subscribe(string topic, Action <TopicDataRecord> function)
{
// Repeated fields cannot be instantiated in SerivceRequest creation
RepeatedField <string> subscribeTopics = new RepeatedField <string>();
subscribeTopics.Add(topic);
Debug.Log("Subscribing to topic: " + topic + " (backend), subscribeRepeatedField: " + subscribeTopics.Count);
ServiceRequest topicSubscription = new ServiceRequest
{
Topic = DEFAULT_TOPICS.SERVICES.TOPIC_SUBSCRIPTION,
TopicSubscription = new TopicSubscription
{
ClientId = clientSpecification.Id,
SubscribeTopics = { subscribeTopics }
}
};
var task = CallService(topicSubscription);
ServiceReply subReply = await task;
if (subReply.Error != null)
{
Debug.LogError("subReply Error! Error msg: " + subReply.Error.ToString());
return(null);
}
// adding callback function to dictionary
netmqTopicDataClient.AddTopicDataCallback(topic, function);
return(subReply);
}
public async Task <bool> SubscribeTopic(string topic, Action <TopicDataRecord> callback)
{
if (callback == null)
{
Debug.LogError("SubscribeTopic() - callback is NULL!");
return(false);
}
if (this.netmqTopicDataClient.IsSubscribed(topic))
{
netmqTopicDataClient.AddTopicDataCallback(topic, callback);
return(true);
}
// Repeated fields cannot be instantiated in SerivceRequest creation
RepeatedField <string> subscribeTopics = new RepeatedField <string>();
subscribeTopics.Add(topic);
//Debug.Log("Subscribing to topic: " + topic + " (backend), subscribeRepeatedField: " + subscribeTopics.Count);
ServiceRequest topicSubscription = new ServiceRequest
{
Topic = UbiiConstants.Instance.DEFAULT_TOPICS.SERVICES.TOPIC_SUBSCRIPTION,
TopicSubscription = new TopicSubscription
{
ClientId = clientSpecification.Id,
SubscribeTopics = { subscribeTopics }
}
};
var task = CallService(topicSubscription);
ServiceReply subReply = await task;
if (subReply.Error != null)
{
Debug.LogError("subReply Error! Error msg: " + subReply.Error.ToString());
return(false);
}
// adding callback function to dictionary
netmqTopicDataClient.AddTopicDataCallback(topic, callback);
return(true);
}
