From 464c1201978a2cd5abed8ea0d7bcb9486b1c92d8 Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra@samba.org>
Date: Thu, 4 Apr 2002 03:03:39 +0000
Subject: Fix up conversion code from old winbindd versions (some testing
 needed). Added time based cache size check (#ifdef'ed out by default, just
 didn't want to lose the code). Jeremy. (This used to be commit
 b2350ed36c42827c417ea4a3dd0668a4a631a090)

---
 source3/nsswitch/winbindd_cache.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'source3/nsswitch/winbindd_cache.c')

diff --git a/source3/nsswitch/winbindd_cache.c b/source3/nsswitch/winbindd_cache.c
index 230d2b88b8..9bd95fdd86 100644
--- a/source3/nsswitch/winbindd_cache.c
+++ b/source3/nsswitch/winbindd_cache.c
@@ -34,6 +34,8 @@ struct cache_entry {
 	uint32 len, ofs;
 };
 
+#define WINBINDD_MAX_CACHE_SIZE (50*1024*1024)
+
 static struct winbind_cache *wcache;
 
 /* flush the cache */
@@ -56,6 +58,35 @@ void wcache_flush_cache(void)
 	}
 }
 
+void winbindd_check_cache_size(time_t t)
+{
+	static time_t last_check_time;
+	struct stat st;
+
+	if (last_check_time == (time_t)0)
+		last_check_time = t;
+
+	if (t - last_check_time < 60 && t - last_check_time > 0)
+		return;
+
+	if (wcache == NULL || wcache->tdb == NULL) {
+		DEBUG(0, ("Unable to check size of tdb cache - cache not open !\n"));
+		return;
+	}
+
+	if (fstat(wcache->tdb->fd, &st) == -1) {
+		DEBUG(0, ("Unable to check size of tdb cache %s!\n", strerror(errno) ));
+		return;
+	}
+
+	if (st.st_size > WINBINDD_MAX_CACHE_SIZE) {
+		DEBUG(10,("flushing cache due to size (%lu) > (%lu)\n",
+			(unsigned long)st.st_size,
+			(unsigned long)WINBINDD_MAX_CACHE_SIZE));
+		wcache_flush_cache();
+	}
+}
+
 /* get the winbind_cache structure */
 static struct winbind_cache *get_cache(struct winbindd_domain *domain)
 {
-- 
cgit