-/* $Id: logic.c,v 1.44 2007-06-15 06:45:39 adam Exp $
+/* $Id: logic.c,v 1.45 2007-06-15 19:35:17 adam Exp $
Copyright (c) 2006-2007, Index Data.
This file is part of Pazpar2.
return 0;
}
+// called if watch should be removed because http_channel is to be destroyed
+static void session_watch_cancel(void *data, struct http_channel *c)
+{
+ struct session_watchentry *ent = data;
+
+ ent->fun = 0;
+ ent->data = 0;
+ ent->obs = 0;
+}
-void session_set_watch(struct session *s, int what,
- session_watchfun fun, void *data)
+// set watch. Returns 0=OK, -1 if watch is already set
+int session_set_watch(struct session *s, int what,
+ session_watchfun fun, void *data,
+ struct http_channel *chan)
{
+ if (s->watchlist[what].fun)
+ return -1;
s->watchlist[what].fun = fun;
s->watchlist[what].data = data;
+ s->watchlist[what].obs = http_add_observer(chan, &s->watchlist[what],
+ session_watch_cancel);
+ return 0;
}
void session_alert_watch(struct session *s, int what)
{
if (!s->watchlist[what].fun)
return;
+ http_remove_observer(s->watchlist[what].obs);
(*s->watchlist[what].fun)(s->watchlist[what].data);
s->watchlist[what].fun = 0;
s->watchlist[what].data = 0;
+ s->watchlist[what].obs = 0;
}
//callback for grep_databases