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r13982@catbus: nickm | 2007-07-29 01:31:53 -0400

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Actually, we missed a rule about what routers to prefer: first prefer authority to non-authority, *then* running, *then* bandwidth.


svn:r10969
This commit is contained in:
Nick Mathewson 2007-07-29 05:32:03 +00:00
parent 1b665b3c7e
commit 9031bbd4d8
3 changed files with 24 additions and 10 deletions
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10
doc/spec/dir-spec-v2.txt
View File

@ -482,11 +482,11 @@ $Id$
Directory server administrators may label some servers or IPs as Directory server administrators may label some servers or IPs as
blacklisted, and elect not to include them in their network-status lists. blacklisted, and elect not to include them in their network-status lists.
Authorities SHOULD 'disable' any servers in excess of 3 on any single Authorities SHOULD 'disable' any servers in excess of 3 on any single IP.
IP. When there are more than 3 to choose from, authorities should first When there are more than 3 to choose from, authorities should first prefer
prefer Running to non-Running, and then prefer high-bandwidth to authorities to non-authorities, then prefer Running to non-Running, and
low-bandwidth. To 'disable' a server, the authority *should* advertise then prefer high-bandwidth to low-bandwidth. To 'disable' a server, the
it without the Running or Valid flag. authority *should* advertise it without the Running or Valid flag.
Thus, the network-status list includes all non-blacklisted, Thus, the network-status list includes all non-blacklisted,
non-expired, non-superseded descriptors. non-expired, non-superseded descriptors.

10
doc/spec/dir-spec.txt
View File

@ -968,11 +968,11 @@ $Id$
Directory server administrators may label some servers or IPs as Directory server administrators may label some servers or IPs as
blacklisted, and elect not to include them in their network-status lists. blacklisted, and elect not to include them in their network-status lists.
Authorities SHOULD 'disable' any servers in excess of 3 on any single Authorities SHOULD 'disable' any servers in excess of 3 on any single IP.
IP. When there are more than 3 to choose from, authorities should first When there are more than 3 to choose from, authorities should first prefer
prefer Running to non-Running, and then prefer high-bandwidth to authorities to non-authorities, then prefer Running to non-Running, and
low-bandwidth. To 'disable' a server, the authority *should* advertise then prefer high-bandwidth to low-bandwidth. To 'disable' a server, the
it without the Running or Valid flag. authority *should* advertise it without the Running or Valid flag.
Thus, the network-status vote includes all non-blacklisted, Thus, the network-status vote includes all non-blacklisted,
non-expired, non-superseded descriptors. non-expired, non-superseded descriptors.

14
src/or/dirserv.c
View File

@ -1727,16 +1727,30 @@ static int
_compare_routerinfo_by_ip_and_bw(const void **a, const void **b) _compare_routerinfo_by_ip_and_bw(const void **a, const void **b)
{ {
routerinfo_t *first = *(routerinfo_t **)a, *second = *(routerinfo_t **)b; routerinfo_t *first = *(routerinfo_t **)a, *second = *(routerinfo_t **)b;
int first_is_auth, second_is_auth;
/* we return -1 if first should appear before second... that is, /* we return -1 if first should appear before second... that is,
* if first is a better router. */ * if first is a better router. */
if (first->addr < second->addr) if (first->addr < second->addr)
return -1; return -1;
else if (first->addr > second->addr) else if (first->addr > second->addr)
return 1; return 1;
first_is_auth =
router_digest_is_trusted_dir(first->cache_info.identity_digest);
second_is_auth =
router_digest_is_trusted_dir(second->cache_info.identity_digest);
if (first_is_auth && !second_is_auth)
return -1;
else if (!first_is_auth && second_is_auth)
return 1;
else if (first->is_running && !second->is_running) else if (first->is_running && !second->is_running)
return -1; return -1;
else if (!first->is_running && second->is_running) else if (!first->is_running && second->is_running)
return 1; return 1;
else if (first->bandwidthrate > second->bandwidthrate) else if (first->bandwidthrate > second->bandwidthrate)
return -1; return -1;
else if (first->bandwidthrate < second->bandwidthrate) else if (first->bandwidthrate < second->bandwidthrate)