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Diffstat (limited to 'src/core/or/circuitlist.c')
-rw-r--r--src/core/or/circuitlist.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/src/core/or/circuitlist.c b/src/core/or/circuitlist.c
index 384835667d..bd36683880 100644
--- a/src/core/or/circuitlist.c
+++ b/src/core/or/circuitlist.c
@@ -64,6 +64,8 @@
#include "core/or/circuitstats.h"
#include "core/or/circuitpadding.h"
#include "core/or/crypt_path.h"
+#include "core/or/extendinfo.h"
+#include "core/or/trace_probes_circuit.h"
#include "core/mainloop/connection.h"
#include "app/config/config.h"
#include "core/or/connection_edge.h"
@@ -89,6 +91,7 @@
#include "feature/rend/rendclient.h"
#include "feature/rend/rendcommon.h"
#include "feature/stats/predict_ports.h"
+#include "feature/stats/bwhist.h"
#include "feature/stats/rephist.h"
#include "feature/nodelist/routerlist.h"
#include "feature/nodelist/routerset.h"
@@ -564,6 +567,8 @@ circuit_set_state(circuit_t *circ, uint8_t state)
}
if (state == CIRCUIT_STATE_GUARD_WAIT || state == CIRCUIT_STATE_OPEN)
tor_assert(!circ->n_chan_create_cell);
+
+ tor_trace(TR_SUBSYS(circuit), TR_EV(change_state), circ, circ->state, state);
circ->state = state;
if (CIRCUIT_IS_ORIGIN(circ))
circuit_state_publish(circ);
@@ -614,7 +619,7 @@ circuit_count_pending_on_channel(channel_t *chan)
cnt = smartlist_len(sl);
smartlist_free(sl);
log_debug(LD_CIRC,"or_conn to %s, %d pending circs",
- channel_get_canonical_remote_descr(chan),
+ channel_describe_peer(chan),
cnt);
return cnt;
}
@@ -1078,6 +1083,7 @@ origin_circuit_new(void)
prediction_time_remaining);
}
+ tor_trace(TR_SUBSYS(circuit), TR_EV(new_origin), circ);
return circ;
}
@@ -1100,6 +1106,7 @@ or_circuit_new(circid_t p_circ_id, channel_t *p_chan)
init_circuit_base(TO_CIRCUIT(circ));
+ tor_trace(TR_SUBSYS(circuit), TR_EV(new_or), circ);
return circ;
}
@@ -1252,6 +1259,10 @@ circuit_free_(circuit_t *circ)
/* Clear all dangling handle references. */
circuit_handles_clear(circ);
+ /* Tracepoint. Data within the circuit object is recorded so do this before
+ * the actual memory free. */
+ tor_trace(TR_SUBSYS(circuit), TR_EV(free), circ);
+
if (should_free) {
memwipe(mem, 0xAA, memlen); /* poison memory */
tor_free(mem);
@@ -1944,7 +1955,7 @@ circuit_find_to_cannibalize(uint8_t purpose_to_produce, extend_info_t *info,
/* Ignore any circuits for which we can't use the Guard. It is possible
* that the Guard was removed from the sampled set after the circuit
- * was created so avoid using it. */
+ * was created, so avoid using it. */
if (!entry_guard_could_succeed(circ->guard_state)) {
goto next;
}
@@ -2133,7 +2144,7 @@ circuit_mark_all_dirty_circs_as_unusable(void)
* This function is in the critical path of circuit_mark_for_close().
* It must be (and is) O(1)!
*
- * See https://trac.torproject.org/projects/tor/ticket/23512.
+ * See https://bugs.torproject.org/tpo/core/tor/23512
*/
void
circuit_synchronize_written_or_bandwidth(const circuit_t *c,
@@ -2165,6 +2176,12 @@ circuit_synchronize_written_or_bandwidth(const circuit_t *c,
else
cell_size = CELL_MAX_NETWORK_SIZE;
+ /* If we know the channel, find out if it's IPv6. */
+ tor_addr_t remote_addr;
+ bool is_ipv6 = chan &&
+ channel_get_addr_if_possible(chan, &remote_addr) &&
+ tor_addr_family(&remote_addr) == AF_INET6;
+
/* The missing written bytes are the cell counts times their cell
* size plus TLS per cell overhead */
written_sync = cells*(cell_size+TLS_PER_CELL_OVERHEAD);
@@ -2172,7 +2189,7 @@ circuit_synchronize_written_or_bandwidth(const circuit_t *c,
/* Report the missing bytes as written, to avoid asymmetry.
* We must use time() for consistency with rephist, even though on
* some very old rare platforms, approx_time() may be faster. */
- rep_hist_note_bytes_written(written_sync, time(NULL));
+ bwhist_note_bytes_written(written_sync, time(NULL), is_ipv6);
}
/** Mark <b>circ</b> to be closed next time we call
@@ -2274,6 +2291,7 @@ circuit_mark_for_close_, (circuit_t *circ, int reason, int line,
CIRCUIT_IS_ORIGIN(circ) ?
TO_ORIGIN_CIRCUIT(circ)->global_identifier : 0,
file, line, orig_reason, reason);
+ tor_trace(TR_SUBSYS(circuit), TR_EV(mark_for_close), circ);
}
/** Called immediately before freeing a marked circuit <b>circ</b> from
@@ -2419,7 +2437,6 @@ single_conn_free_bytes(connection_t *conn)
if (conn->outbuf) {
result += buf_allocation(conn->outbuf);
buf_clear(conn->outbuf);
- conn->outbuf_flushlen = 0;
}
if (conn->type == CONN_TYPE_DIR) {
dir_connection_t *dir_conn = TO_DIR_CONN(conn);