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break circuit_build_needed_circs into its own func

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svn:r1596
This commit is contained in:
Roger Dingledine 2004-04-12 22:47:12 +00:00
parent c5052bec95
commit f4ff5a75c1
3 changed files with 45 additions and 38 deletions
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37
src/or/circuit.c
View File

@ -514,6 +514,43 @@ int circuit_stream_is_being_handled(connection_t *conn) {
return 0;
}
void circuit_build_needed_circs(time_t now) {
static long time_to_new_circuit = 0;
circuit_t *circ;
if (options.SocksPort)
/* launch a new circ for any pending streams that need one */
connection_ap_attach_pending();
/* Build a new test circuit every 5 minutes */
#define TESTING_CIRCUIT_INTERVAL 300
circ = circuit_get_best(NULL, 1, CIRCUIT_PURPOSE_C_GENERAL);
if(time_to_new_circuit < now) {
client_dns_clean();
circuit_expire_unused_circuits();
circuit_reset_failure_count();
if(circ && circ->timestamp_dirty) {
log_fn(LOG_INFO,"Youngest circuit dirty; launching replacement.");
/* make a new circuit */
circuit_launch_new(CIRCUIT_PURPOSE_C_GENERAL, NULL);
} else if (options.RunTesting && circ &&
circ->timestamp_created + TESTING_CIRCUIT_INTERVAL < now) {
log_fn(LOG_INFO,"Creating a new testing circuit.");
circuit_launch_new(CIRCUIT_PURPOSE_C_GENERAL, NULL);
}
time_to_new_circuit = now + options.NewCircuitPeriod;
time_to_new_circuit = now + options.NewCircuitPeriod;
}
#define CIRCUIT_MIN_BUILDING 3
if(!circ && circuit_count_building() < CIRCUIT_MIN_BUILDING) {
/* if there's no open circ, and less than 3 are on the way,
* go ahead and try another.
*/
circuit_launch_new(CIRCUIT_PURPOSE_C_GENERAL, NULL);
}
}
/* update digest from the payload of cell. assign integrity part to cell. */
static void relay_set_digest(crypto_digest_env_t *digest, cell_t *cell) {
char integrity[4];

45
src/or/main.c
View File

@ -338,8 +338,6 @@ static void run_connection_housekeeping(int i, time_t now) {
*/
static void run_scheduled_events(time_t now) {
static long time_to_fetch_directory = 0;
static long time_to_new_circuit = 0;
circuit_t *circ;
int i;
/* 1. Every DirFetchPostPeriod seconds, we get a new directory and upload
@ -388,49 +386,19 @@ static void run_scheduled_events(time_t now) {
* and we make a new circ if there are no clean circuits.
*/
if(has_fetched_directory &&
(options.SocksPort || options.RunTesting)) {
(options.SocksPort || options.RunTesting))
circuit_build_needed_circs(now);
if (options.SocksPort)
/* launch a new circ for any pending streams that need one */
connection_ap_attach_pending();
/* Build a new test circuit every 5 minutes */
#define TESTING_CIRCUIT_INTERVAL 300
circ = circuit_get_best(NULL, 1, CIRCUIT_PURPOSE_C_GENERAL);
if(time_to_new_circuit < now) {
client_dns_clean();
circuit_expire_unused_circuits();
circuit_reset_failure_count();
if(circ && circ->timestamp_dirty) {
log_fn(LOG_INFO,"Youngest circuit dirty; launching replacement.");
/* make a new circuit */
circuit_launch_new(CIRCUIT_PURPOSE_C_GENERAL, NULL);
} else if (options.RunTesting && circ &&
circ->timestamp_created + TESTING_CIRCUIT_INTERVAL < now) {
log_fn(LOG_INFO,"Creating a new testing circuit.");
circuit_launch_new(CIRCUIT_PURPOSE_C_GENERAL, NULL);
}
time_to_new_circuit = now + options.NewCircuitPeriod;
}
#define CIRCUIT_MIN_BUILDING 3
if(!circ && circuit_count_building() < CIRCUIT_MIN_BUILDING) {
/* if there's no open circ, and less than 3 are on the way,
* go ahead and try another.
*/
circuit_launch_new(CIRCUIT_PURPOSE_C_GENERAL, NULL);
}
}
/* 5. We do housekeeping for each connection... */
/* 4. We do housekeeping for each connection... */
for(i=0;i<nfds;i++) {
run_connection_housekeeping(i, now);
}
/* 6. And remove any marked circuits... */
/* 5. And remove any marked circuits... */
circuit_close_all_marked();
/* 7. and blow away any connections that need to die. can't do this later
#if 0
/* 6. and blow away any connections that need to die. can't do this later
* because we might open up a circuit and not realize we're about to cull
* the connection it's running over.
* XXX we can remove this step once we audit circuit-building to make sure
@ -438,6 +406,7 @@ static void run_scheduled_events(time_t now) {
*/
for(i=0;i<nfds;i++)
conn_close_if_marked(i);
#endif
}
static int prepare_for_poll(void) {

1
src/or/or.h
View File

@ -716,6 +716,7 @@ circuit_t *circuit_get_rendezvous(const char *cookie);
void circuit_expire_building(void);
int circuit_count_building(void);
int circuit_stream_is_being_handled(connection_t *conn);
void circuit_build_needed_circs(time_t now);
int circuit_receive_relay_cell(cell_t *cell, circuit_t *circ,
int cell_direction);