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| author | Andrea Shepard <andrea@torproject.org> | 2012-10-06 05:45:24 -0700 |
|---|---|---|
| committer | Andrea Shepard <andrea@torproject.org> | 2012-10-10 00:44:47 -0700 |
| commit | bec776480d673dc85afd2a3db052f3d8eb81a5c4 (patch) | |
| tree | 4137325bcf571aade9012808b65439cc8e38ff6b /src/or/circuitmux.c | |
| parent | 1bc9a040f70cd27f06fac3a9e1b07729442c2f7d (diff) | |
| download | tor-bec776480d673dc85afd2a3db052f3d8eb81a5c4.tar tor-bec776480d673dc85afd2a3db052f3d8eb81a5c4.tar.gz | |
Don't remove circuitmux hash table entries in circuitmux_detach_circuit() until after circuitmux_make_circuit_inactive()
Diffstat (limited to 'src/or/circuitmux.c')
| -rw-r--r-- | src/or/circuitmux.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/or/circuitmux.c b/src/or/circuitmux.c index 44d736a7c..6a6fa6d2d 100644 --- a/src/or/circuitmux.c +++ b/src/or/circuitmux.c @@ -1019,7 +1019,7 @@ circuitmux_detach_circuit(circuitmux_t *cmux, circuit_t *circ) if (circ->n_chan) { search.chan_id = circ->n_chan->global_identifier; search.circ_id = circ->n_circ_id; - hashent = HT_REMOVE(chanid_circid_muxinfo_map, cmux->chanid_circid_map, + hashent = HT_FIND(chanid_circid_muxinfo_map, cmux->chanid_circid_map, &search); last_searched_direction = CELL_DIRECTION_OUT; } @@ -1030,7 +1030,7 @@ circuitmux_detach_circuit(circuitmux_t *cmux, circuit_t *circ) search.circ_id = TO_OR_CIRCUIT(circ)->p_circ_id; if (TO_OR_CIRCUIT(circ)->p_chan) { search.chan_id = TO_OR_CIRCUIT(circ)->p_chan->global_identifier; - hashent = HT_REMOVE(chanid_circid_muxinfo_map, + hashent = HT_FIND(chanid_circid_muxinfo_map, cmux->chanid_circid_map, &search); last_searched_direction = CELL_DIRECTION_IN; @@ -1038,7 +1038,10 @@ circuitmux_detach_circuit(circuitmux_t *cmux, circuit_t *circ) } } - /* If hashent isn't NULL, we just removed it from the map */ + /* + * If hashent isn't NULL, we have a circuit to detach; don't remove it from + * the map until later of circuitmux_make_circuit_inactive() breaks. + */ if (hashent) { /* Update counters */ --(cmux->n_circuits); @@ -1068,6 +1071,9 @@ circuitmux_detach_circuit(circuitmux_t *cmux, circuit_t *circ) if (last_searched_direction == CELL_DIRECTION_OUT) circ->n_mux = NULL; else TO_OR_CIRCUIT(circ)->p_mux = NULL; + /* Now remove it from the map */ + HT_REMOVE(chanid_circid_muxinfo_map, cmux->chanid_circid_map, hashent); + /* Free the hash entry */ tor_free(hashent); } |