Merge from HEAD - mimir's new gencache based namecache code.

Andrew Bartlett
(This used to be commit f79324f730c400342f445c931b0d75ff756d7cc7)

1 files changed, 38 insertions, 18 deletions

diff --git a/source3/utils/net_cache.c b/source3/utils/net_cache.c
index 359c06d1aa..93c4f1aa1d 100644
--- a/source3/utils/net_cache.c
+++ b/source3/utils/net_cache.c
@@ -34,15 +34,34 @@
  * (print_cache_entry) and to flush it (delete_cache_entry).
  * Both of them are defined by first arg of gencache_iterate() routine.
  */
-static void print_cache_entry(const char* keystr, const char* datastr, const time_t timeout)
+static void print_cache_entry(const char* keystr, const char* datastr,
+                              const time_t timeout, void* dptr)
 {
-	char* timeout_str = ctime(&timeout);
-	timeout_str[strlen(timeout_str) - 1] = '\0';
-	d_printf("Key: %s\t\t Value: %s\t\t Timeout: %s %s\n", keystr, datastr,
-	         timeout_str, timeout > time(NULL) ? "": "(expired)");
+	char* timeout_str;
+	time_t now_t = time(NULL);
+	struct tm timeout_tm, *now_tm;
+	/* localtime returns statically allocated pointer, so timeout_tm
+	   has to be copied somewhere else */
+	memcpy(&timeout_tm, localtime(&timeout), sizeof(struct tm));
+	now_tm = localtime(&now_t);
+
+	/* form up timeout string depending whether it's today's date or not */
+	if (timeout_tm.tm_year != now_tm->tm_year ||
+	    timeout_tm.tm_mon != now_tm->tm_mon ||
+	    timeout_tm.tm_mday != now_tm->tm_mday) {
+	    
+	    timeout_str = asctime(&timeout_tm);
+	    timeout_str[strlen(timeout_str) - 1] = '\0';	/* remove tailing CR */
+	} else
+		asprintf(&timeout_str, "%.2d:%.2d:%.2d", timeout_tm.tm_hour,
+		         timeout_tm.tm_min, timeout_tm.tm_sec);
+	
+	d_printf("Key: %s\t Timeout: %s\t Value: %s  %s\n", keystr,
+	         timeout_str, datastr, timeout > now_t ? "": "(expired)");
 }
 
-static void delete_cache_entry(const char* keystr, const char* datastr, const time_t timeout)
+static void delete_cache_entry(const char* keystr, const char* datastr,
+                               const time_t timeout, void* dptr)
 {
 	if (!gencache_del(keystr))
 		d_printf("Couldn't delete entry! key = %s", keystr);
@@ -106,7 +125,7 @@ static time_t parse_timeout(const char* timeout_str)
 
 
 /**
- * Add an entry to the cache
+ * Add an entry to the cache. If it does exist, then set it.
  * 
  * @param argv key, value and timeout are passed in command line
  * @return 0 on success, otherwise failure
@@ -132,12 +151,12 @@ static int net_cache_add(int argc, const char **argv)
 		return -1;
 	}
 	
-	if (gencache_add(keystr, datastr, timeout)) {
+	if (gencache_set(keystr, datastr, timeout)) {
 		d_printf("New cache entry stored successfully.\n");
 		gencache_shutdown();
 		return 0;
-	} 
-
+	}
+	
 	d_printf("Entry couldn't be added. Perhaps there's already such a key.\n");
 	gencache_shutdown();
 	return -1;
@@ -145,7 +164,8 @@ static int net_cache_add(int argc, const char **argv)
 
 
 /**
- * Set new value of an existing entry in the cache
+ * Set new value of an existing entry in the cache. Fail If the entry doesn't
+ * exist.
  * 
  * @param argv key being searched and new value and timeout to set in the entry
  * @return 0 on success, otherwise failure
@@ -171,7 +191,7 @@ static int net_cache_set(int argc, const char **argv)
 		return -1;
 	}
 	
-	if (gencache_set(keystr, datastr, timeout)) {
+	if (gencache_set_only(keystr, datastr, timeout)) {
 		d_printf("Cache entry set successfully.\n");
 		gencache_shutdown();
 		return 0;
@@ -201,7 +221,7 @@ static int net_cache_del(int argc, const char **argv)
 	if(gencache_del(keystr)) {
 		d_printf("Entry deleted.\n");
 		return 0;
-	} 
+	}
 
 	d_printf("Couldn't delete specified entry\n");
 	return -1;
@@ -226,9 +246,9 @@ static int net_cache_get(int argc, const char **argv)
 	}
 	
 	if (gencache_get(keystr, &valuestr, &timeout)) {
-		print_cache_entry(keystr, valuestr, timeout);
+		print_cache_entry(keystr, valuestr, timeout, NULL);
 		return 0;
-	} 
+	}
 
 	d_printf("Failed to find entry\n");
 	return -1;
@@ -251,7 +271,7 @@ static int net_cache_search(int argc, const char **argv)
 	}
 	
 	pattern = argv[0];
-	gencache_iterate(print_cache_entry, pattern);
+	gencache_iterate(print_cache_entry, NULL, pattern);
 	return 0;
 }
 
@@ -265,7 +285,7 @@ static int net_cache_search(int argc, const char **argv)
 static int net_cache_list(int argc, const char **argv)
 {
 	const char* pattern = "*";
-	gencache_iterate(print_cache_entry, pattern);
+	gencache_iterate(print_cache_entry, NULL, pattern);
 	gencache_shutdown();
 	return 0;
 }
@@ -280,7 +300,7 @@ static int net_cache_list(int argc, const char **argv)
 static int net_cache_flush(int argc, const char **argv)
 {
 	const char* pattern = "*";
-	gencache_iterate(delete_cache_entry, pattern);
+	gencache_iterate(delete_cache_entry, NULL, pattern);
 	gencache_shutdown();
 	return 0;
 }