Clean up bridge-stats code.

Only write a bridge-stats string if bridge stats have been
initialized.  This behavior is similar to dirreq-stats, entry-stats,
etc.

Also add a few unit tests for the bridge-stats code.
This commit is contained in:
Karsten Loesing 2011-08-04 14:45:24 +02:00
parent 88083463cb
commit d690a99dfe
3 changed files with 28 additions and 4 deletions

View File

@ -1197,8 +1197,8 @@ static char *bridge_stats_extrainfo = NULL;
/** Return a newly allocated string holding our bridge usage stats by country
* in a format suitable for inclusion in an extrainfo document. Return NULL on
* failure. */
static char *
format_bridge_stats_extrainfo(time_t now)
char *
geoip_format_bridge_stats(time_t now)
{
char *out = NULL, *data = NULL;
long duration = now - start_of_bridge_stats_interval;
@ -1206,6 +1206,8 @@ format_bridge_stats_extrainfo(time_t now)
if (duration < 0)
return NULL;
if (!start_of_bridge_stats_interval)
return NULL; /* Not initialized. */
format_iso_time(written, now);
data = geoip_get_client_history(GEOIP_CLIENT_CONNECT);
@ -1255,7 +1257,7 @@ geoip_bridge_stats_write(time_t now)
geoip_remove_old_clients(start_of_bridge_stats_interval);
/* Generate formatted string */
val = format_bridge_stats_extrainfo(now);
val = geoip_format_bridge_stats(now);
if (val == NULL)
goto done;

View File

@ -53,6 +53,7 @@ void geoip_entry_stats_term(void);
void geoip_reset_entry_stats(time_t now);
char *geoip_format_entry_stats(time_t now);
void geoip_bridge_stats_init(time_t now);
char *geoip_format_bridge_stats(time_t now);
time_t geoip_bridge_stats_write(time_t now);
void geoip_bridge_stats_term(void);
const char *geoip_get_bridge_stats_extrainfo(time_t);

View File

@ -1483,7 +1483,10 @@ test_geoip(void)
int i, j;
time_t now = 1281533250; /* 2010-08-11 13:27:30 UTC */
char *s = NULL;
const char *dirreq_stats_1 =
const char *bridge_stats_1 =
"bridge-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"bridge-ips zz=24,xy=8\n",
*dirreq_stats_1 =
"dirreq-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"dirreq-v3-ips ab=8\n"
"dirreq-v2-ips \n"
@ -1594,6 +1597,24 @@ test_geoip(void)
test_assert(s);
test_streq("zz=24,xy=8", s);
/* Start testing bridge statistics by making sure that we don't output
* bridge stats without initializing them. */
s = geoip_format_bridge_stats(now + 86400);
test_assert(!s);
/* Initialize stats and generate the bridge-stats history string out of
* the connecting clients added above. */
geoip_bridge_stats_init(now);
s = geoip_format_bridge_stats(now + 86400);
test_streq(bridge_stats_1, s);
tor_free(s);
/* Stop collecting bridge stats and make sure we don't write a history
* string anymore. */
geoip_bridge_stats_term();
s = geoip_format_bridge_stats(now + 86400);
test_assert(!s);
/* Stop being a bridge and start being a directory mirror that gathers
* directory request statistics. */
geoip_bridge_stats_term();