more verbose about server selection.

git-svn-id: file:///svn/unbound/trunk@1400 be551aaa-1e26-0410-a405-d3ace91eadb9

diff --git a/doc/Changelog b/doc/Changelog
index a389e13ee0e23af3cf23f27548f13578ac7e3af4..b04cb85887b913f68ca425092421fcfbead78c12 100644 (file)
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -3,6 +3,7 @@
          some zones that had correct DLV keys as insecure.
        - follows -rc makedist from ldns changes (no _rc).
        - ldns tarball updated with 1.4.1rc for DLV unit test.
+       - verbose prints about recursion lame detection and server selection.
 
 17 December 2008: Wouter
        - follows ldns makedist.sh. -rc option. autom4te dir removed.

diff --git a/iterator/iter_utils.c b/iterator/iter_utils.c
index 9b29f76eb7b78190e361778fc004efc076bf8fc8..2133be755c11e0acf48554b753c4400716a7623e 100644 (file)
--- a/iterator/iter_utils.c
+++ b/iterator/iter_utils.c
@@ -189,6 +189,11 @@ iter_filter_unsuitable(struct iter_env* iter_env, struct module_env* env,
        if(infra_get_lame_rtt(env->infra_cache, &a->addr, a->addrlen, 
                name, namelen, qtype, &lame, &dnsseclame, &reclame, 
                &rtt, now)) {
+               log_addr(VERB_ALGO, "servselect", &a->addr, a->addrlen);
+               verbose(VERB_ALGO, "   rtt=%d%s%s%s", rtt,
+                       lame?" LAME":"",
+                       dnsseclame?" DNSSEC_LAME":"",
+                       reclame?" REC_LAME":"");
                if(lame)
                        return -1; /* server is lame */
                else if(rtt >= USEFUL_SERVER_TOP_TIMEOUT)
@@ -297,13 +302,17 @@ iter_server_selection(struct iter_env* iter_env,
 
        if(num == 0)
                return NULL;
+       verbose(VERB_ALGO, "selrtt %d", selrtt);
        if(selrtt > USEFUL_SERVER_TOP_TIMEOUT*2) {
+               verbose(VERB_ALGO, "chase to recursion lame server");
                *chase_to_rd = 1;
        }
        if(selrtt > USEFUL_SERVER_TOP_TIMEOUT) {
+               verbose(VERB_ALGO, "chase to dnssec lame server");
                *dnssec_expected = 0;
        }
        if(selrtt == USEFUL_SERVER_TOP_TIMEOUT) {
+               verbose(VERB_ALGO, "chase to blacklisted lame server");
                /* the best choice is a blacklisted, unresponsive server,
                 * we need to throttle down our traffic towards it */
                if(ub_random(env->rnd) % 100 != 1) {

diff --git a/iterator/iterator.c b/iterator/iterator.c
index e9b1bfdb496aa92037f7a2df030fa5acdc130dcc..77d5004fb381fec20ee0d601316eda7ba1bfe9f3 100644 (file)
--- a/iterator/iterator.c
+++ b/iterator/iterator.c
@@ -1547,6 +1547,7 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
                if(qstate->reply) {
                        /* need addr for lameness cache, but we may have
                         * gotten this from cache, so test to be sure */
+                       verbose(VERB_DETAIL, "mark as REC_LAME");
                        if(!infra_set_lame(qstate->env->infra_cache, 
                                &qstate->reply->addr, qstate->reply->addrlen, 
                                iq->dp->name, iq->dp->namelen,