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Our connection_or_get_by_identity_digest() was slightly wrong. If best

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didn't have any circuits on it, but conn had circuits, we would not make
conn our new best unless it was also newer.  Also, restructure the code
a bit to maybe make it clearer.


svn:r6012
This commit is contained in:
Peter Palfrader 2006-02-14 00:08:19 +00:00
parent cfcb1b1afd
commit 761da5b97f
1 changed files with 16 additions and 6 deletions
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22
src/or/connection_or.c
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@ -394,12 +394,22 @@ connection_or_get_by_identity_digest(const char *digest)
conn->state != OR_CONN_STATE_OPEN)
continue; /* avoid non-open conns if we can */
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 (best->n_circuits && !conn->n_circuits)
continue; /* prefer conns with circuits on them */
if (newer)
best = conn; /* lastly, prefer newer conns */
if (!best->is_obsolete && conn->is_obsolete)
continue; /* We never prefer obsolete over non-obsolete connections. */
/* If both are obsolete we prefer the newer: */
if ((best->is_obsolete && conn->is_obsolete && newer) ||
/* We prefer non-obsolete connections */
(best->is_obsolete && !conn->is_obsolete) ||
/* If both have circuits we prefer the newer: */
(best->n_circuits && conn->n_circuits && newer) ||
/* If neither has circuits we prefer the newer: */
(!best->n_circuits && !conn->n_circuits && newer) ||
/* We prefer connections with circuits: */
(!best->n_circuits && conn->n_circuits)) {
best = conn;
};
}
return best;
}