bugfix: if a circuit if borderline too old, then count it as too old.

bugfix: we were retrying the same circuit after getting a resolve
failure. so of course the next two tries would fail too. now we try
a new circuit each time (at most three times).


svn:r1867
This commit is contained in:
Roger Dingledine 2004-05-15 07:21:25 +00:00
parent 09a4748578
commit 04bb8c8046
3 changed files with 11 additions and 4 deletions

View File

@ -56,7 +56,7 @@ static int circuit_is_acceptable(circuit_t *circ,
if(purpose == CIRCUIT_PURPOSE_C_GENERAL)
if(circ->timestamp_dirty &&
circ->timestamp_dirty+options.NewCircuitPeriod < now)
circ->timestamp_dirty+options.NewCircuitPeriod <= now)
return 0;
if(conn) {

View File

@ -1149,8 +1149,6 @@ extern unsigned long stats_n_relay_cells_delivered;
int circuit_receive_relay_cell(cell_t *cell, circuit_t *circ,
int cell_direction);
int circuit_package_relay_cell(cell_t *cell, circuit_t *circ,
int cell_direction, crypt_path_t *layer_hint);
void relay_header_pack(char *dest, const relay_header_t *src);
void relay_header_unpack(relay_header_t *dest, const char *src);

View File

@ -10,6 +10,8 @@
#include "or.h"
extern or_options_t options; /* command-line and config-file options */
static int relay_crypt(circuit_t *circ, cell_t *cell, int cell_direction,
crypt_path_t **layer_hint, char *recognized);
static connection_t *relay_lookup_conn(circuit_t *circ, cell_t *cell, int cell_direction);
@ -281,7 +283,7 @@ static int relay_crypt(circuit_t *circ, cell_t *cell, int cell_direction,
* - Encrypt it to the right layer
* - connection_or_write_cell_to_buf to the right conn
*/
int
static int
circuit_package_relay_cell(cell_t *cell, circuit_t *circ,
int cell_direction,
crypt_path_t *layer_hint)
@ -509,8 +511,15 @@ connection_edge_process_relay_cell_not_open(
if (client_dns_incr_failures(conn->socks_request->address)
< MAX_RESOLVE_FAILURES) {
/* We haven't retried too many times; reattach the connection. */
log_fn(LOG_INFO,"Resolve of '%s' failed, trying again.",
conn->socks_request->address);
circuit_log_path(LOG_INFO,circ);
conn->state = AP_CONN_STATE_CIRCUIT_WAIT;
circuit_detach_stream(circ,conn);
tor_assert(circ->timestamp_dirty);
circ->timestamp_dirty -= options.NewCircuitPeriod;
/* make sure not to expire/retry the stream quite yet */
conn->timestamp_lastread = time(NULL);
if(connection_ap_handshake_attach_circuit(conn) >= 0)
return 0;
/* else, conn will get closed below */