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bugfix and cleanups

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svn:r848
This commit is contained in:
Roger Dingledine 2003-11-19 13:12:43 +00:00
parent fd07872a72
commit f5994416c4
1 changed files with 14 additions and 22 deletions
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34
src/or/circuit.c
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@ -223,22 +223,22 @@ circuit_t *circuit_get_newest(connection_t *conn, int must_be_open) {
if(leastdirty &&
leastdirty->timestamp_dirty+options.NewCircuitPeriod > time(NULL)) {
log_fn(LOG_DEBUG,"Choosing in-use circuit %s:%d:%d.",
leastdirty->n_conn->address, leastdirty->n_port, leastdirty->n_circ_id);
/* log_fn(LOG_DEBUG,"Choosing in-use circuit %s:%d:%d.",
leastdirty->n_conn->address, leastdirty->n_port, leastdirty->n_circ_id); */
return leastdirty;
}
if(newest) {
log_fn(LOG_DEBUG,"Choosing circuit %s:%d:%d.",
newest->n_conn->address, newest->n_port, newest->n_circ_id);
/* log_fn(LOG_DEBUG,"Choosing circuit %s:%d:%d.",
newest->n_conn->address, newest->n_port, newest->n_circ_id); */
return newest;
}
return NULL;
}
#define MIN_SECONDS_BEFORE_EXPIRING_CIRC 2
#define MIN_SECONDS_BEFORE_EXPIRING_CIRC 3
/* circuits that were born at the end of their second might be expired
* after 2.1 seconds; circuits born at the beginning might be expired
* after closer to 3 seconds.
* after 3.1 seconds; circuits born at the beginning might be expired
* after closer to 4 seconds.
*/
/* close all circuits that start at us, aren't open, and were born
@ -281,7 +281,7 @@ int circuit_deliver_relay_cell(cell_t *cell, circuit_t *circ,
int cell_direction, crypt_path_t *layer_hint) {
connection_t *conn=NULL;
char recognized=0;
char buf[256];
char buf[1+CELL_PAYLOAD_SIZE];
assert(cell && circ);
assert(cell_direction == CELL_DIRECTION_OUT || cell_direction == CELL_DIRECTION_IN);
@ -690,30 +690,22 @@ void circuit_expire_unused_circuits(void) {
}
}
/* Number of failures so far this second; should only be touched by
/* Number of consecutive failures so far; should only be touched by
* circuit_launch_new and circuit_*_failure_count.
*/
static int n_circuit_failures = 0;
/* failure_status code: negative means reset failures to 0. Other values mean
* add that value to the current number of failures, then if we don't have too
* many failures on record, try to make a new circuit.
*
* Return -1 if you aren't going to try to make a circuit, 0 if you did try.
*/
/* Return -1 if you aren't going to try to make a circuit, 0 if you did try. */
int circuit_launch_new(void) {
if(!options.SocksPort) /* we're not an application proxy. no need for circuits. */
return -1;
if(n_circuit_failures > 5) {
if(n_circuit_failures > 5) /* too many failed circs in a row. don't try. */
return -1;
}
if(circuit_establish_circuit() < 0) {
++n_circuit_failures;
return 0;
}
/* try a circ. if it fails, circuit_close will increment n_circuit_failures */
circuit_establish_circuit();
return 0;
}