public bool pubUpdate(string topic, List <string> pubs) { #if DEBUG EDB.WriteLine("TopicManager is updating publishers for " + topic); #endif Subscription sub = null; lock (subs_mutex) { if (shutting_down) { return(false); } foreach (Subscription s in subscriptions) { if (s.name != topic || s.IsDropped) { continue; } sub = s; break; } } if (sub != null) { return(sub.pubUpdate(pubs)); } EDB.WriteLine("got a request for updating publishers of topic " + topic + ", but I don't have any subscribers to that topic."); return(false); }
public bool registerSubscriber(Subscription s, string datatype) { string uri = XmlRpcManager.Instance.uri; XmlRpcValue args = new XmlRpcValue(this_node.Name, s.name, datatype, uri); XmlRpcValue result = new XmlRpcValue(); XmlRpcValue payload = new XmlRpcValue(); if (!master.execute("registerSubscriber", args, result, payload, true)) { return(false); } List <string> pub_uris = new List <string>(); for (int i = 0; i < payload.Size; i++) { XmlRpcValue load = payload[i]; string pubed = load.Get <string>(); if (pubed != uri && !pub_uris.Contains(pubed)) { pub_uris.Add(pubed); } } bool self_subscribed = false; Publication pub = null; string sub_md5sum = s.md5sum; lock (advertised_topics_mutex) { foreach (Publication p in advertised_topics) { pub = p; string pub_md5sum = pub.Md5sum; if (pub.Name == s.name && md5sumsMatch(pub_md5sum, sub_md5sum) && !pub.Dropped) { self_subscribed = true; break; } } } s.pubUpdate(pub_uris); if (self_subscribed) { s.addLocalConnection(pub); } return(true); }