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Merge commit 'karsten/geoipstats-download-resp-master'

Browse Source 
Conflicts:
	src/or/geoip.c
This commit is contained in:
Nick Mathewson 2009-07-14 12:18:27 -04:00
commit 31b72732c6
3 changed files with 93 additions and 2 deletions
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10
src/or/directory.c
View File

@ -2493,6 +2493,8 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
/* v2 or v3 network status fetch. */
smartlist_t *dir_fps = smartlist_create();
int is_v3 = !strcmpstart(url, "/tor/status-vote");
geoip_client_action_t act =
is_v3 ? GEOIP_CLIENT_NETWORKSTATUS : GEOIP_CLIENT_NETWORKSTATUS_V2;
const char *request_type = NULL;
const char *key = url + strlen("/tor/status/");
long lifetime = NETWORKSTATUS_CACHE_LIFETIME;
@ -2517,6 +2519,7 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
write_http_status_line(conn, 404, "Consensus not signed by sufficient "
"number of requested authorities");
smartlist_free(dir_fps);
geoip_note_ns_response(act, GEOIP_REJECT_NOT_ENOUGH_SIGS);
goto done;
}
@ -2529,6 +2532,7 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
if (!smartlist_len(dir_fps)) { /* we failed to create/cache cp */
write_http_status_line(conn, 503, "Network status object unavailable");
smartlist_free(dir_fps);
geoip_note_ns_response(act, GEOIP_REJECT_UNAVAILABLE);
goto done;
}
@ -2536,11 +2540,13 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
write_http_status_line(conn, 404, "Not found");
SMARTLIST_FOREACH(dir_fps, char *, cp, tor_free(cp));
smartlist_free(dir_fps);
geoip_note_ns_response(act, GEOIP_REJECT_NOT_FOUND);
goto done;
} else if (!smartlist_len(dir_fps)) {
write_http_status_line(conn, 304, "Not modified");
SMARTLIST_FOREACH(dir_fps, char *, cp, tor_free(cp));
smartlist_free(dir_fps);
geoip_note_ns_response(act, GEOIP_REJECT_NOT_MODIFIED);
goto done;
}
@ -2552,16 +2558,16 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
write_http_status_line(conn, 503, "Directory busy, try again later");
SMARTLIST_FOREACH(dir_fps, char *, fp, tor_free(fp));
smartlist_free(dir_fps);
geoip_note_ns_response(act, GEOIP_REJECT_BUSY);
goto done;
}
#ifdef ENABLE_GEOIP_STATS
{
geoip_client_action_t act =
is_v3 ? GEOIP_CLIENT_NETWORKSTATUS : GEOIP_CLIENT_NETWORKSTATUS_V2;
struct in_addr in;
if (tor_inet_aton((TO_CONN(conn))->address, &in))
geoip_note_client_seen(act, ntohl(in.s_addr), time(NULL));
geoip_note_ns_response(act, GEOIP_SUCCESS);
}
#endif

65
src/or/geoip.c
View File

@ -492,6 +492,43 @@ geoip_remove_old_clients(time_t cutoff)
client_history_starts = cutoff;
}
#ifdef ENABLE_GEOIP_STATS
/** How many responses are we giving to clients requesting v2 network
* statuses? */
static uint32_t ns_v2_responses[GEOIP_NS_RESPONSE_NUM];
/** How many responses are we giving to clients requesting v3 network
* statuses? */
static uint32_t ns_v3_responses[GEOIP_NS_RESPONSE_NUM];
#endif
/** Note that we've rejected a client's request for a v2 or v3 network
* status, encoded in <b>action</b> for reason <b>reason</b> at time
* <b>now</b>. */
void
geoip_note_ns_response(geoip_client_action_t action,
geoip_ns_response_t response)
{
#ifdef ENABLE_GEOIP_STATS
static int arrays_initialized = 0;
if (!arrays_initialized) {
memset(ns_v2_responses, 0, sizeof(ns_v2_responses));
memset(ns_v3_responses, 0, sizeof(ns_v3_responses));
arrays_initialized = 1;
}
tor_assert(action == GEOIP_CLIENT_NETWORKSTATUS ||
action == GEOIP_CLIENT_NETWORKSTATUS_V2);
tor_assert(response < GEOIP_NS_RESPONSE_NUM);
if (action == GEOIP_CLIENT_NETWORKSTATUS)
ns_v3_responses[response]++;
else
ns_v2_responses[response]++;
#else
(void) action;
(void) response;
#endif
}
/** Do not mention any country from which fewer than this number of IPs have
* connected. This conceivably avoids reporting information that could
* deanonymize users, though analysis is lacking. */
@ -686,6 +723,7 @@ dump_geoip_stats(void)
open_file_t *open_file = NULL;
double v2_share = 0.0, v3_share = 0.0;
FILE *out;
int i;
data_v2 = geoip_get_client_history(now, GEOIP_CLIENT_NETWORKSTATUS_V2);
data_v3 = geoip_get_client_history(now, GEOIP_CLIENT_NETWORKSTATUS);
@ -711,6 +749,33 @@ dump_geoip_stats(void)
since,
data_v3 ? data_v3 : "", data_v2 ? data_v2 : "") < 0)
goto done;
#define RESPONSE_GRANULARITY 8
for (i = 0; i < GEOIP_NS_RESPONSE_NUM; i++) {
ns_v2_responses[i] = round_uint32_to_next_multiple_of(
ns_v2_responses[i], RESPONSE_GRANULARITY);
ns_v3_responses[i] = round_uint32_to_next_multiple_of(
ns_v3_responses[i], RESPONSE_GRANULARITY);
}
#undef RESPONSE_GRANULARITY
if (fprintf(out, "n-ns-resp ok=%u,not-enough-sigs=%u,unavailable=%u,"
"not-found=%u,not-modified=%u,busy=%u\n",
ns_v3_responses[GEOIP_SUCCESS],
ns_v3_responses[GEOIP_REJECT_NOT_ENOUGH_SIGS],
ns_v3_responses[GEOIP_REJECT_UNAVAILABLE],
ns_v3_responses[GEOIP_REJECT_NOT_FOUND],
ns_v3_responses[GEOIP_REJECT_NOT_MODIFIED],
ns_v3_responses[GEOIP_REJECT_BUSY]) < 0)
goto done;
if (fprintf(out, "n-v2-ns-resp ok=%u,unavailable=%u,"
"not-found=%u,not-modified=%u,busy=%u\n",
ns_v2_responses[GEOIP_SUCCESS],
ns_v2_responses[GEOIP_REJECT_UNAVAILABLE],
ns_v2_responses[GEOIP_REJECT_NOT_FOUND],
ns_v2_responses[GEOIP_REJECT_NOT_MODIFIED],
ns_v2_responses[GEOIP_REJECT_BUSY]) < 0)
goto done;
memset(ns_v2_responses, 0, sizeof(ns_v2_responses));
memset(ns_v3_responses, 0, sizeof(ns_v3_responses));
if (!geoip_get_mean_shares(now, &v2_share, &v3_share)) {
if (fprintf(out, "v2-ns-share %0.2lf%%\n", v2_share*100) < 0)
goto done;

20
src/or/or.h
View File

@ -3645,6 +3645,26 @@ typedef enum {
void geoip_note_client_seen(geoip_client_action_t action,
uint32_t addr, time_t now);
void geoip_remove_old_clients(time_t cutoff);
/** Indicates either a positive reply or a reason for rejectng a network
* status request that will be included in geoip statistics. */
typedef enum {
/** Request is answered successfully. */
GEOIP_SUCCESS = 0,
/** V3 network status is not signed by a sufficient number of requested
* authorities. */
GEOIP_REJECT_NOT_ENOUGH_SIGS = 1,
/** Requested network status object is unavailable. */
GEOIP_REJECT_UNAVAILABLE = 2,
/** Requested network status not found. */
GEOIP_REJECT_NOT_FOUND = 3,
/** Network status has not been modified since If-Modified-Since time. */
GEOIP_REJECT_NOT_MODIFIED = 4,
/** Directory is busy. */
GEOIP_REJECT_BUSY = 5,
} geoip_ns_response_t;
#define GEOIP_NS_RESPONSE_NUM 6
void geoip_note_ns_response(geoip_client_action_t action,
geoip_ns_response_t response);
time_t geoip_get_history_start(void);
char *geoip_get_client_history(time_t now, geoip_client_action_t action);
char *geoip_get_request_history(time_t now, geoip_client_action_t action);