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-rw-r--r--src/or/rephist.c90
1 files changed, 35 insertions, 55 deletions
diff --git a/src/or/rephist.c b/src/or/rephist.c
index 2948bf8f0..70be39e23 100644
--- a/src/or/rephist.c
+++ b/src/or/rephist.c
@@ -1862,22 +1862,20 @@ rep_hist_note_used_port(time_t now, uint16_t port)
add_predicted_port(now, port);
}
-/** For this long after we've seen a request for a given port, assume that
- * we'll want to make connections to the same port in the future. */
-#define PREDICTED_CIRCS_RELEVANCE_TIME (60*60)
-
/** Return a newly allocated pointer to a list of uint16_t * for ports that
* are likely to be asked for in the near future.
*/
smartlist_t *
rep_hist_get_predicted_ports(time_t now)
{
+ int predicted_circs_relevance_time;
smartlist_t *out = smartlist_new();
tor_assert(predicted_ports_list);
+ predicted_circs_relevance_time = get_options()->PredictedPortsRelevanceTime;
/* clean out obsolete entries */
SMARTLIST_FOREACH_BEGIN(predicted_ports_list, predicted_port_t *, pp) {
- if (pp->time + PREDICTED_CIRCS_RELEVANCE_TIME < now) {
+ if (pp->time + predicted_circs_relevance_time < now) {
log_debug(LD_CIRC, "Expiring predicted port %d", pp->port);
rephist_total_alloc -= sizeof(predicted_port_t);
@@ -1944,14 +1942,17 @@ int
rep_hist_get_predicted_internal(time_t now, int *need_uptime,
int *need_capacity)
{
+ int predicted_circs_relevance_time;
+ predicted_circs_relevance_time = get_options()->PredictedPortsRelevanceTime;
+
if (!predicted_internal_time) { /* initialize it */
predicted_internal_time = now;
predicted_internal_uptime_time = now;
predicted_internal_capacity_time = now;
}
- if (predicted_internal_time + PREDICTED_CIRCS_RELEVANCE_TIME < now)
+ if (predicted_internal_time + predicted_circs_relevance_time < now)
return 0; /* too long ago */
- if (predicted_internal_uptime_time + PREDICTED_CIRCS_RELEVANCE_TIME >= now)
+ if (predicted_internal_uptime_time + predicted_circs_relevance_time >= now)
*need_uptime = 1;
// Always predict that we need capacity.
*need_capacity = 1;
@@ -1963,8 +1964,11 @@ rep_hist_get_predicted_internal(time_t now, int *need_uptime,
int
any_predicted_circuits(time_t now)
{
+ int predicted_circs_relevance_time;
+ predicted_circs_relevance_time = get_options()->PredictedPortsRelevanceTime;
+
return smartlist_len(predicted_ports_list) ||
- predicted_internal_time + PREDICTED_CIRCS_RELEVANCE_TIME >= now;
+ predicted_internal_time + predicted_circs_relevance_time >= now;
}
/** Return 1 if we have no need for circuits currently, else return 0. */
@@ -2313,7 +2317,7 @@ rep_hist_format_exit_stats(time_t now)
time_t
rep_hist_exit_stats_write(time_t now)
{
- char *statsdir = NULL, *filename = NULL, *str = NULL;
+ char *str = NULL;
if (!start_of_exit_stats_interval)
return 0; /* Not initialized. */
@@ -2329,19 +2333,12 @@ rep_hist_exit_stats_write(time_t now)
rep_hist_reset_exit_stats(now);
/* Try to write to disk. */
- statsdir = get_datadir_fname("stats");
- if (check_private_dir(statsdir, CPD_CREATE, get_options()->User) < 0) {
- log_warn(LD_HIST, "Unable to create stats/ directory!");
- goto done;
+ if (!check_or_create_data_subdir("stats")) {
+ write_to_data_subdir("stats", "exit-stats", str, "exit port statistics");
}
- filename = get_datadir_fname2("stats", "exit-stats");
- if (write_str_to_file(filename, str, 0) < 0)
- log_warn(LD_HIST, "Unable to write exit port statistics to disk!");
done:
tor_free(str);
- tor_free(statsdir);
- tor_free(filename);
return start_of_exit_stats_interval + WRITE_STATS_INTERVAL;
}
@@ -2598,7 +2595,7 @@ time_t
rep_hist_buffer_stats_write(time_t now)
{
circuit_t *circ;
- char *statsdir = NULL, *filename = NULL, *str = NULL;
+ char *str = NULL;
if (!start_of_buffer_stats_interval)
return 0; /* Not initialized. */
@@ -2606,7 +2603,7 @@ rep_hist_buffer_stats_write(time_t now)
goto done; /* Not ready to write */
/* Add open circuits to the history. */
- for (circ = circuit_get_global_list_(); circ; circ = circ->next) {
+ TOR_LIST_FOREACH(circ, circuit_get_global_list(), head) {
rep_hist_buffer_stats_add_circ(circ, now);
}
@@ -2617,19 +2614,12 @@ rep_hist_buffer_stats_write(time_t now)
rep_hist_reset_buffer_stats(now);
/* Try to write to disk. */
- statsdir = get_datadir_fname("stats");
- if (check_private_dir(statsdir, CPD_CREATE, get_options()->User) < 0) {
- log_warn(LD_HIST, "Unable to create stats/ directory!");
- goto done;
+ if (!check_or_create_data_subdir("stats")) {
+ write_to_data_subdir("stats", "buffer-stats", str, "buffer statistics");
}
- filename = get_datadir_fname2("stats", "buffer-stats");
- if (write_str_to_file(filename, str, 0) < 0)
- log_warn(LD_HIST, "Unable to write buffer stats to disk!");
done:
tor_free(str);
- tor_free(filename);
- tor_free(statsdir);
return start_of_buffer_stats_interval + WRITE_STATS_INTERVAL;
}
@@ -2741,7 +2731,7 @@ rep_hist_format_desc_stats(time_t now)
time_t
rep_hist_desc_stats_write(time_t now)
{
- char *statsdir = NULL, *filename = NULL, *str = NULL;
+ char *filename = NULL, *str = NULL;
if (!start_of_served_descs_stats_interval)
return 0; /* We're not collecting stats. */
@@ -2751,10 +2741,8 @@ rep_hist_desc_stats_write(time_t now)
str = rep_hist_format_desc_stats(now);
tor_assert(str != NULL);
- statsdir = get_datadir_fname("stats");
- if (check_private_dir(statsdir, CPD_CREATE, get_options()->User) < 0) {
- log_warn(LD_HIST, "Unable to create stats/ directory!");
- goto done;
+ if (check_or_create_data_subdir("stats") < 0) {
+ goto done;
}
filename = get_datadir_fname2("stats", "served-desc-stats");
if (append_bytes_to_file(filename, str, strlen(str), 0) < 0)
@@ -2763,7 +2751,6 @@ rep_hist_desc_stats_write(time_t now)
rep_hist_reset_desc_stats(now);
done:
- tor_free(statsdir);
tor_free(filename);
tor_free(str);
return start_of_served_descs_stats_interval + WRITE_STATS_INTERVAL;
@@ -2981,7 +2968,7 @@ rep_hist_format_conn_stats(time_t now)
time_t
rep_hist_conn_stats_write(time_t now)
{
- char *statsdir = NULL, *filename = NULL, *str = NULL;
+ char *str = NULL;
if (!start_of_conn_stats_interval)
return 0; /* Not initialized. */
@@ -2995,28 +2982,21 @@ rep_hist_conn_stats_write(time_t now)
rep_hist_reset_conn_stats(now);
/* Try to write to disk. */
- statsdir = get_datadir_fname("stats");
- if (check_private_dir(statsdir, CPD_CREATE, get_options()->User) < 0) {
- log_warn(LD_HIST, "Unable to create stats/ directory!");
- goto done;
+ if (!check_or_create_data_subdir("stats")) {
+ write_to_data_subdir("stats", "conn-stats", str, "connection statistics");
}
- filename = get_datadir_fname2("stats", "conn-stats");
- if (write_str_to_file(filename, str, 0) < 0)
- log_warn(LD_HIST, "Unable to write conn stats to disk!");
done:
tor_free(str);
- tor_free(filename);
- tor_free(statsdir);
return start_of_conn_stats_interval + WRITE_STATS_INTERVAL;
}
/** Internal statistics to track how many requests of each type of
- * handshake we've received, and how many we've completed. Useful for
- * seeing trends in cpu load.
+ * handshake we've received, and how many we've assigned to cpuworkers.
+ * Useful for seeing trends in cpu load.
* @{ */
-static int onion_handshakes_requested[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
-static int onion_handshakes_completed[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
+STATIC int onion_handshakes_requested[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
+STATIC int onion_handshakes_assigned[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
/**@}*/
/** A new onionskin (using the <b>type</b> handshake) has arrived. */
@@ -3030,10 +3010,10 @@ rep_hist_note_circuit_handshake_requested(uint16_t type)
/** We've sent an onionskin (using the <b>type</b> handshake) to a
* cpuworker. */
void
-rep_hist_note_circuit_handshake_completed(uint16_t type)
+rep_hist_note_circuit_handshake_assigned(uint16_t type)
{
if (type <= MAX_ONION_HANDSHAKE_TYPE)
- onion_handshakes_completed[type]++;
+ onion_handshakes_assigned[type]++;
}
/** Log our onionskin statistics since the last time we were called. */
@@ -3041,13 +3021,13 @@ void
rep_hist_log_circuit_handshake_stats(time_t now)
{
(void)now;
- log_notice(LD_HIST, "Circuit handshake stats since last time: "
+ log_notice(LD_HEARTBEAT, "Circuit handshake stats since last time: "
"%d/%d TAP, %d/%d NTor.",
- onion_handshakes_completed[ONION_HANDSHAKE_TYPE_TAP],
+ onion_handshakes_assigned[ONION_HANDSHAKE_TYPE_TAP],
onion_handshakes_requested[ONION_HANDSHAKE_TYPE_TAP],
- onion_handshakes_completed[ONION_HANDSHAKE_TYPE_NTOR],
+ onion_handshakes_assigned[ONION_HANDSHAKE_TYPE_NTOR],
onion_handshakes_requested[ONION_HANDSHAKE_TYPE_NTOR]);
- memset(onion_handshakes_completed, 0, sizeof(onion_handshakes_completed));
+ memset(onion_handshakes_assigned, 0, sizeof(onion_handshakes_assigned));
memset(onion_handshakes_requested, 0, sizeof(onion_handshakes_requested));
}