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Be more conservative about whether to advertise our dirport.

Browse Source 
The main change is to not advertise if we're running at capacity and
either a) we could hibernate or b) our capacity is low and we're using
a default dirport.


svn:r5148
This commit is contained in:
Roger Dingledine 2005-09-29 06:45:03 +00:00
parent 3559f821a1
commit 8ae6e1c226
2 changed files with 32 additions and 6 deletions
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34
src/or/router.c
View File

@ -404,6 +404,34 @@ check_whether_dirport_reachable(void)
can_reach_dir_port; can_reach_dir_port;
} }
/** Look at a variety of factors, and return 0 if we don't want to
* advertise the fact that we have a DirPort open. Else return the
* DirPort we want to advertise. */
static int
decide_to_advertise_dirport(or_options_t *options, routerinfo_t *router)
{
if (!router->dir_port) /* short circuit the rest of the function */
return 0;
if (authdir_mode(options)) /* always publish */
return router->dir_port;
if (we_are_hibernating())
return 0;
if (!check_whether_dirport_reachable())
return 0;
if (router->bandwidthcapacity >= router->bandwidthrate) {
/* check if we might potentially hibernate. */
if (options->AccountingMax != 0)
return 0;
/* also check if we're advertising a small amount, and have
a "boring" DirPort. */
if (router->bandwidthrate < 50000 && router->dir_port > 1024)
return 0;
}
/* Sounds like a great idea. Let's publish it. */
return router->dir_port;
}
/**DOCDOC*/ /**DOCDOC*/
void void
consider_testing_reachability(void) consider_testing_reachability(void)
@ -739,8 +767,7 @@ router_rebuild_descriptor(int force)
ri->nickname = tor_strdup(options->Nickname); ri->nickname = tor_strdup(options->Nickname);
ri->addr = addr; ri->addr = addr;
ri->or_port = options->ORPort; ri->or_port = options->ORPort;
ri->dir_port = hibernating ? ri->dir_port = options->DirPort;
0 : options->DirPort;
ri->published_on = time(NULL); ri->published_on = time(NULL);
ri->onion_pkey = crypto_pk_dup_key(get_onion_key()); /* must invoke from main thread */ ri->onion_pkey = crypto_pk_dup_key(get_onion_key()); /* must invoke from main thread */
ri->identity_pkey = crypto_pk_dup_key(get_identity_key()); ri->identity_pkey = crypto_pk_dup_key(get_identity_key());
@ -934,8 +961,7 @@ router_dump_router_to_string(char *s, size_t maxlen, routerinfo_t *router,
router->nickname, router->nickname,
router->address, router->address,
router->or_port, router->or_port,
(authdir_mode(options) || check_whether_dirport_reachable()) ? decide_to_advertise_dirport(options, router),
router->dir_port : 0,
router->platform, router->platform,
published, published,
fingerprint, fingerprint,

4
src/or/test.c
View File

@ -1216,7 +1216,7 @@ test_dir_format(void)
memset(buf, 0, 2048); memset(buf, 0, 2048);
test_assert(router_dump_router_to_string(buf, 2048, &r1, pk2)>0); test_assert(router_dump_router_to_string(buf, 2048, &r1, pk2)>0);
strcpy(buf2, "router Magri 18.244.0.1 9000 0 9003\n" strcpy(buf2, "router Magri 18.244.0.1 9000 0 0\n"
"platform Tor "VERSION" on "); "platform Tor "VERSION" on ");
strcat(buf2, get_uname()); strcat(buf2, get_uname());
strcat(buf2, "\n" strcat(buf2, "\n"
@ -1246,7 +1246,7 @@ test_dir_format(void)
test_assert(rp1); test_assert(rp1);
test_streq(rp1->address, r1.address); test_streq(rp1->address, r1.address);
test_eq(rp1->or_port, r1.or_port); test_eq(rp1->or_port, r1.or_port);
test_eq(rp1->dir_port, r1.dir_port); //test_eq(rp1->dir_port, r1.dir_port);
test_eq(rp1->bandwidthrate, r1.bandwidthrate); test_eq(rp1->bandwidthrate, r1.bandwidthrate);
test_eq(rp1->bandwidthburst, r1.bandwidthburst); test_eq(rp1->bandwidthburst, r1.bandwidthburst);
test_eq(rp1->bandwidthcapacity, r1.bandwidthcapacity); test_eq(rp1->bandwidthcapacity, r1.bandwidthcapacity);