Aurora.Addon.HyperGrid.UserAgentServiceConnector.GetOnlineFriends C# (CSharp) Method

        public List<UUID> GetOnlineFriends(UUID userID, List<string> friends)
        {
            Hashtable hash = new Hashtable ();
            hash["userID"] = userID.ToString ();
            int i = 0;
            foreach (string s in friends)
            {
                hash["friend_" + i.ToString ()] = s;
                i++;
            }

            IList paramList = new ArrayList ();
            paramList.Add (hash);

            XmlRpcRequest request = new XmlRpcRequest ("get_online_friends", paramList);
            string reason = string.Empty;

            // Send and get reply
            List<UUID> online = new List<UUID> ();
            XmlRpcResponse response = null;
            try
            {
                response = request.Send (m_ServerURL, 10000);
            }
            catch (Exception e)
            {
                MainConsole.Instance.DebugFormat ("[USER AGENT CONNECTOR]: Unable to contact remote server {0}", m_ServerURL);
                reason = "Exception: " + e.Message;
                return online;
            }

            if (response.IsFault)
            {
                MainConsole.Instance.ErrorFormat ("[USER AGENT CONNECTOR]: remote call to {0} returned an error: {1}", m_ServerURL, response.FaultString);
                reason = "XMLRPC Fault";
                return online;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    MainConsole.Instance.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    MainConsole.Instance.ErrorFormat ("[USER AGENT CONNECTOR]: GetOnlineFriends Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
                    reason = "Internal error 1";
                    return online;
                }

                // Here is the actual response
                foreach (object key in hash.Keys)
                {
                    if (key is string && ((string)key).StartsWith ("friend_") && hash[key] != null)
                    {
                        UUID uuid;
                        if (UUID.TryParse (hash[key].ToString (), out uuid))
                            online.Add (uuid);
                    }
                }

            }
            catch (Exception e)
            {
                MainConsole.Instance.ErrorFormat ("[USER AGENT CONNECTOR]: Got exception on GetOnlineFriends response.");
                reason = "Exception: " + e.Message;
            }

            return online;
        }