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Fold all of the run-every-second stuff back into run_scheduled_events()

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This commit is contained in:
Nick Mathewson 2015-11-02 15:09:48 -05:00
parent 9f31908a40
commit 2bf8fb5ee3
1 changed files with 85 additions and 143 deletions
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228
src/or/main.c
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@ -1237,10 +1237,8 @@ CALLBACK(rotate_onion_key);
CALLBACK(check_ed_keys);
CALLBACK(launch_descriptor_fetches);
CALLBACK(reset_descriptor_failures);
CALLBACK(fetch_bridge_descriptors);
CALLBACK(rotate_x509_certificate);
CALLBACK(add_entropy);
CALLBACK(enable_accounting);
CALLBACK(launch_reachability_tests);
CALLBACK(downrate_stability);
CALLBACK(save_stability);
@ -1254,16 +1252,11 @@ CALLBACK(retry_dns);
CALLBACK(check_descriptor);
CALLBACK(check_for_reachability_bw);
CALLBACK(fetch_networkstatus);
CALLBACK(dirvote_act);
CALLBACK(expire_misc);
CALLBACK(retry_listeners);
CALLBACK(build_circuits);
CALLBACK(expire_old_ciruits_serverside);
CALLBACK(housekeeping);
CALLBACK(check_dns_honesty);
CALLBACK(write_bridge_ns);
CALLBACK(check_fw_helper_app);
CALLBACK(pt_configuration);
CALLBACK(heartbeat);
#undef CALLBACK
@ -1274,10 +1267,8 @@ static periodic_event_item_t periodic_events[] = {
CALLBACK(check_ed_keys),
CALLBACK(launch_descriptor_fetches),
CALLBACK(reset_descriptor_failures),
CALLBACK(fetch_bridge_descriptors),
CALLBACK(rotate_x509_certificate),
CALLBACK(add_entropy),
CALLBACK(enable_accounting),
CALLBACK(launch_reachability_tests),
CALLBACK(downrate_stability),
CALLBACK(save_stability),
@ -1291,16 +1282,11 @@ static periodic_event_item_t periodic_events[] = {
CALLBACK(check_descriptor),
CALLBACK(check_for_reachability_bw),
CALLBACK(fetch_networkstatus),
CALLBACK(dirvote_act),
CALLBACK(expire_misc),
CALLBACK(retry_listeners),
CALLBACK(build_circuits),
CALLBACK(expire_old_ciruits_serverside),
CALLBACK(housekeeping),
CALLBACK(check_dns_honesty),
CALLBACK(write_bridge_ns),
CALLBACK(check_fw_helper_app),
CALLBACK(pt_configuration),
CALLBACK(heartbeat),
END_OF_PERIODIC_EVENTS
};
@ -1423,6 +1409,8 @@ safe_timer_diff(time_t now, time_t next)
static void
run_scheduled_events(time_t now)
{
const or_options_t *options = get_options();
/* 0. See if we've been asked to shut down and our timeout has
* expired; or if our bandwidth limits are exhausted and we
* should hibernate; or if it's time to wake up from hibernation.
@ -1439,6 +1427,85 @@ run_scheduled_events(time_t now)
/* 0c. If we've deferred log messages for the controller, handle them now */
flush_pending_log_callbacks();
if (options->UseBridges && !options->DisableNetwork) {
fetch_bridge_descriptors(options, now);
}
if (accounting_is_enabled(options)) {
accounting_run_housekeeping(now);
}
if (authdir_mode_v3(options)) {
dirvote_act(options, now);
}
/* 3a. Every second, we examine pending circuits and prune the
* ones which have been pending for more than a few seconds.
* We do this before step 4, so it can try building more if
* it's not comfortable with the number of available circuits.
*/
/* (If our circuit build timeout can ever become lower than a second (which
* it can't, currently), we should do this more often.) */
circuit_expire_building();
/* 3b. Also look at pending streams and prune the ones that 'began'
* a long time ago but haven't gotten a 'connected' yet.
* Do this before step 4, so we can put them back into pending
* state to be picked up by the new circuit.
*/
connection_ap_expire_beginning();
/* 3c. And expire connections that we've held open for too long.
*/
connection_expire_held_open();
/* 4. Every second, we try a new circuit if there are no valid
* circuits. Every NewCircuitPeriod seconds, we expire circuits
* that became dirty more than MaxCircuitDirtiness seconds ago,
* and we make a new circ if there are no clean circuits.
*/
const int have_dir_info = router_have_minimum_dir_info();
if (have_dir_info && !net_is_disabled()) {
circuit_build_needed_circs(now);
} else {
circuit_expire_old_circs_as_needed(now);
}
/* 5. We do housekeeping for each connection... */
connection_or_set_bad_connections(NULL, 0);
int i;
for (i=0;i<smartlist_len(connection_array);i++) {
run_connection_housekeeping(i, now);
}
/* 6. And remove any marked circuits... */
circuit_close_all_marked();
/* 7. And upload service descriptors if necessary. */
if (have_completed_a_circuit() && !net_is_disabled()) {
rend_consider_services_upload(now);
rend_consider_descriptor_republication();
}
/* 8. and blow away any connections that need to die. have to do this now,
* because if we marked a conn for close and left its socket -1, then
* we'll pass it to poll/select and bad things will happen.
*/
close_closeable_connections();
/* 8b. And if anything in our state is ready to get flushed to disk, we
* flush it. */
or_state_save(now);
/* 8c. Do channel cleanup just like for connections */
channel_run_cleanup();
channel_listener_run_cleanup();
/* 11b. check pending unconfigured managed proxies */
if (!net_is_disabled() && pt_proxies_configuration_pending())
pt_configure_remaining_proxies();
}
static int
@ -1507,16 +1574,6 @@ reset_descriptor_failures_callback(time_t now, const or_options_t *options)
return DESCRIPTOR_FAILURE_RESET_INTERVAL;
}
static int
fetch_bridge_descriptors_callback(time_t now, const or_options_t *options)
{
if (options->UseBridges && !options->DisableNetwork) {
fetch_bridge_descriptors(options, now);
return 1;
}
return -1;
}
static int
rotate_x509_certificate_callback(time_t now, const or_options_t *options)
{
@ -1556,18 +1613,6 @@ add_entropy_callback(time_t now, const or_options_t *options)
return ENTROPY_INTERVAL;
}
static int
enable_accounting_callback(time_t now, const or_options_t *options)
{
/* 1c. If we have to change the accounting interval or record
* bandwidth used in this accounting interval, do so. */
if (accounting_is_enabled(options)) {
accounting_run_housekeeping(now);
return 1;
}
return -1;
}
static int
launch_reachability_tests_callback(time_t now, const or_options_t *options)
{
@ -1728,7 +1773,7 @@ rend_cache_failure_clean_callback(time_t now, const or_options_t *options)
* clean it as soon as we can since we want to make sure the client waits
* as little as possible for reachability reasons. */
rend_cache_failure_clean(now);
return 1;
return 30;
}
static int
@ -1824,46 +1869,6 @@ fetch_networkstatus_callback(time_t now, const or_options_t *options)
return networkstatus_dl_check_interval(options);
}
static int
dirvote_act_callback(time_t now, const or_options_t *options)
{
/* 2c. Let directory voting happen. */
if (authdir_mode_v3(options)) {
dirvote_act(options, now);
return 1;
}
return -1;
}
static int
expire_misc_callback(time_t now, const or_options_t *options)
{
(void)now;
(void)options;
/* 3a. Every second, we examine pending circuits and prune the
* ones which have been pending for more than a few seconds.
* We do this before step 4, so it can try building more if
* it's not comfortable with the number of available circuits.
*/
/* (If our circuit build timeout can ever become lower than a second (which
* it can't, currently), we should do this more often.) */
circuit_expire_building();
/* 3b. Also look at pending streams and prune the ones that 'began'
* a long time ago but haven't gotten a 'connected' yet.
* Do this before step 4, so we can put them back into pending
* state to be picked up by the new circuit.
*/
connection_ap_expire_beginning();
/* 3c. And expire connections that we've held open for too long.
*/
connection_expire_held_open();
return 1;
}
static int
retry_listeners_callback(time_t now, const or_options_t *options)
{
@ -1877,24 +1882,6 @@ retry_listeners_callback(time_t now, const or_options_t *options)
return -1;
}
static int
build_circuits_callback(time_t now, const or_options_t *options)
{
(void)options;
/* 4. Every second, we try a new circuit if there are no valid
* circuits. Every NewCircuitPeriod seconds, we expire circuits
* that became dirty more than MaxCircuitDirtiness seconds ago,
* and we make a new circ if there are no clean circuits.
*/
const int have_dir_info = router_have_minimum_dir_info();
if (have_dir_info && !net_is_disabled()) {
circuit_build_needed_circs(now);
} else {
circuit_expire_old_circs_as_needed(now);
}
return 1;
}
static int
expire_old_ciruits_serverside_callback(time_t now, const or_options_t *options)
{
@ -1904,42 +1891,6 @@ expire_old_ciruits_serverside_callback(time_t now, const or_options_t *options)
return 11;
}
static int
housekeeping_callback(time_t now, const or_options_t *options)
{
(void)options;
int i;
/* 5. We do housekeeping for each connection... */
connection_or_set_bad_connections(NULL, 0);
for (i=0;i<smartlist_len(connection_array);i++) {
run_connection_housekeeping(i, now);
}
/* 6. And remove any marked circuits... */
circuit_close_all_marked();
/* 7. And upload service descriptors if necessary. */
if (have_completed_a_circuit() && !net_is_disabled()) {
rend_consider_services_upload(now);
rend_consider_descriptor_republication();
}
/* 8. and blow away any connections that need to die. have to do this now,
* because if we marked a conn for close and left its socket -1, then
* we'll pass it to poll/select and bad things will happen.
*/
close_closeable_connections();
/* 8b. And if anything in our state is ready to get flushed to disk, we
* flush it. */
or_state_save(now);
/* 8c. Do channel cleanup just like for connections */
channel_run_cleanup();
channel_listener_run_cleanup();
return 1;
}
static int
check_dns_honesty_callback(time_t now, const or_options_t *options)
@ -1998,27 +1949,18 @@ check_fw_helper_app_callback(time_t now, const or_options_t *options)
return PORT_FORWARDING_CHECK_INTERVAL;
}
static int
pt_configuration_callback(time_t now, const or_options_t *options)
{
(void)now;
(void)options;
/* 11b. check pending unconfigured managed proxies */
if (!net_is_disabled() && pt_proxies_configuration_pending())
pt_configure_remaining_proxies();
return 1;
}
static int
heartbeat_callback(time_t now, const or_options_t *options)
{
static int first = 1;
/* 12. write the heartbeat message */
if (first) {
first = 0;
first = 0; /* Skip the first one. */
} else {
log_heartbeat(now);
}
/* XXXX This isn't such a good way to handle possible changes in the
* callback event */
return options->HeartbeatPeriod;
}