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Cut down a common call to circuit_get_by_conn by about half.

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svn:r5459
This commit is contained in:
Nick Mathewson 2005-11-26 00:53:51 +00:00
parent 72cb64406a
commit 31d5d96739
1 changed files with 7 additions and 3 deletions
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10
src/or/connection.c
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@ -1582,7 +1582,7 @@ connection_get_by_type_addr_port_purpose(int type, uint32_t addr, uint16_t port,
connection_t *
connection_get_by_identity_digest(const char *digest)
{
int i, n, newer;
int i, n, newer, best_has_circ=0, conn_has_circ;
connection_t *conn, *best=NULL;
connection_t **carray;
@ -1595,6 +1595,7 @@ connection_get_by_identity_digest(const char *digest)
continue;
if (!best) {
best = conn; /* whatever it is, it's better than nothing. */
best_has_circ = (circuit_get_by_conn(best) != NULL);
continue;
}
if (best->state == OR_CONN_STATE_OPEN &&
@ -1603,10 +1604,13 @@ connection_get_by_identity_digest(const char *digest)
newer = best->timestamp_created < conn->timestamp_created;
if (conn->is_obsolete && (!best->is_obsolete || !newer))
continue; /* we have something, and it's better than this. */
if (circuit_get_by_conn(best) && !circuit_get_by_conn(conn))
conn_has_circ = (circuit_get_by_conn(conn) != NULL);
if (best_has_circ && !conn_has_circ)
continue; /* prefer conns with circuits on them */
if (newer)
if (newer) {
best = conn; /* lastly, prefer newer conns */
best_has_circ = conn_has_circ;
}
}
return best;
}