return 0;
}
+int NTTDebugEnabled = 0;
+
+/*
+ * network_talking_to() -- concurrency checker
+ */
+static HashList *nttlist = NULL;
+int network_talking_to(const char *nodename, long len, int operation) {
+
+ int retval = 0;
+ HashPos *Pos = NULL;
+ void *vdata;
+
+ begin_critical_section(S_NTTLIST);
+
+ switch(operation) {
+
+ case NTT_ADD:
+ if (nttlist == NULL)
+ nttlist = NewHash(1, NULL);
+ Put(nttlist, nodename, len, NewStrBufPlain(nodename, len), HFreeStrBuf);
+ if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: added <%s>\n", nodename);
+ break;
+ case NTT_REMOVE:
+ if ((nttlist == NULL) ||
+ (GetCount(nttlist) == 0))
+ break;
+ Pos = GetNewHashPos(nttlist, 1);
+ if (GetHashPosFromKey (nttlist, nodename, len, Pos))
+ DeleteEntryFromHash(nttlist, Pos);
+ DeleteHashPos(&Pos);
+ if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: removed <%s>\n", nodename);
+
+ break;
+
+ case NTT_CHECK:
+ if ((nttlist == NULL) ||
+ (GetCount(nttlist) == 0))
+ break;
+ if (GetHash(nttlist, nodename, len, &vdata))
+ retval ++;
+ if (NTTDebugEnabled) syslog(LOG_DEBUG, "nttlist: have [%d] <%s>\n", retval, nodename);
+ break;
+ }
+
+ end_critical_section(S_NTTLIST);
+ return(retval);
+}
+
+void cleanup_nttlist(void)
+{
+ begin_critical_section(S_NTTLIST);
+ DeleteHash(&nttlist);
+ end_critical_section(S_NTTLIST);
+}
+
+
+
+void network_logout_hook(void)
+{
+ CitContext *CCC = MyContext();
+
+ /*
+ * If we were talking to a network node, we're not anymore...
+ */
+ if (!IsEmptyStr(CCC->net_node)) {
+ network_talking_to(CCC->net_node, strlen(CCC->net_node), NTT_REMOVE);
+ }
+}
/*
* Module entry point
*/
+void SetNTTDebugEnabled(const int n)
+{
+ NTTDebugEnabled = n;
+}
+
CTDL_MODULE_INIT(network)
{
if (!threading)
{
+ CtdlRegisterDebugFlagHook(HKEY("networktalkingto"), SetNTTDebugEnabled, &NTTDebugEnabled);
+ CtdlRegisterCleanupHook(cleanup_nttlist);
+ CtdlRegisterSessionHook(network_logout_hook, EVT_LOGOUT);
CtdlRegisterProtoHook(cmd_nsyn, "NSYN", "Synchronize room to node");
CtdlRegisterRoomHook(network_room_handler);
CtdlRegisterCleanupHook(destroy_network_queue_room_locked);