/** Add <b>ri</b> to the nodelist. */ node_t * nodelist_add_routerinfo(routerinfo_t *ri) { node_t *node; init_nodelist(); node = node_get_or_create(ri->cache_info.identity_digest); node->ri = ri; if (node->country == -1) node_set_country(node); if (authdir_mode(get_options())) { const char *discard=NULL; uint32_t status = dirserv_router_get_status(ri, &discard); dirserv_set_node_flags_from_authoritative_status(node, status); } return node; }
/** Add <b>ri</b> to an appropriate node in the nodelist. If we replace an * old routerinfo, and <b>ri_old_out</b> is not NULL, set *<b>ri_old_out</b> * to the previous routerinfo. */ node_t * nodelist_set_routerinfo(routerinfo_t *ri, routerinfo_t **ri_old_out) { node_t *node; const char *id_digest; int had_router = 0; tor_assert(ri); init_nodelist(); id_digest = ri->cache_info.identity_digest; node = node_get_or_create(id_digest); if (node->ri) { if (!routers_have_same_or_addrs(node->ri, ri)) { node_addrs_changed(node); } had_router = 1; if (ri_old_out) *ri_old_out = node->ri; } else { if (ri_old_out) *ri_old_out = NULL; } node->ri = ri; if (node->country == -1) node_set_country(node); if (authdir_mode(get_options()) && !had_router) { const char *discard=NULL; uint32_t status = dirserv_router_get_status(ri, &discard); dirserv_set_node_flags_from_authoritative_status(node, status); } return node; }
/** Tell the nodelist that the current usable consensus is <b>ns</b>. * This makes the nodelist change all of the routerstatus entries for * the nodes, drop nodes that no longer have enough info to get used, * and grab microdescriptors into nodes as appropriate. */ void nodelist_set_consensus(networkstatus_t *ns) { const or_options_t *options = get_options(); int authdir = authdir_mode_v3(options); int client = !server_mode(options); init_nodelist(); if (ns->flavor == FLAV_MICRODESC) (void) get_microdesc_cache(); /* Make sure it exists first. */ SMARTLIST_FOREACH(the_nodelist->nodes, node_t *, node, node->rs = NULL); SMARTLIST_FOREACH_BEGIN(ns->routerstatus_list, routerstatus_t *, rs) { node_t *node = node_get_or_create(rs->identity_digest); node->rs = rs; if (ns->flavor == FLAV_MICRODESC) { if (node->md == NULL || tor_memneq(node->md->digest,rs->descriptor_digest,DIGEST256_LEN)) { if (node->md) node->md->held_by_nodes--; node->md = microdesc_cache_lookup_by_digest256(NULL, rs->descriptor_digest); if (node->md) node->md->held_by_nodes++; } } node_set_country(node); /* If we're not an authdir, believe others. */ if (!authdir) { node->is_valid = rs->is_valid; node->is_running = rs->is_flagged_running; node->is_fast = rs->is_fast; node->is_stable = rs->is_stable; node->is_possible_guard = rs->is_possible_guard; node->is_exit = rs->is_exit; node->is_bad_directory = rs->is_bad_directory; node->is_bad_exit = rs->is_bad_exit; node->is_hs_dir = rs->is_hs_dir; node->ipv6_preferred = 0; if (client && options->ClientPreferIPv6ORPort == 1 && (tor_addr_is_null(&rs->ipv6_addr) == 0 || (node->md && tor_addr_is_null(&node->md->ipv6_addr) == 0))) node->ipv6_preferred = 1; } } SMARTLIST_FOREACH_END(rs); nodelist_purge(); if (! authdir) { SMARTLIST_FOREACH_BEGIN(the_nodelist->nodes, node_t *, node) { /* We have no routerstatus for this router. Clear flags so we can skip * it, maybe.*/ if (!node->rs) { tor_assert(node->ri); /* if it had only an md, or nothing, purge * would have removed it. */ if (node->ri->purpose == ROUTER_PURPOSE_GENERAL) { /* Clear all flags. */ node->is_valid = node->is_running = node->is_hs_dir = node->is_fast = node->is_stable = node->is_possible_guard = node->is_exit = node->is_bad_exit = node->is_bad_directory = node->ipv6_preferred = 0; } } } SMARTLIST_FOREACH_END(node); }