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);
}
