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Syntactic mod to minimizing changes with before PR 

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This commit is contained in:
Willem Toorop 2018-02-08 12:02:48 +01:00
parent 7af885396f
commit bf1f01c87e
1 changed files with 38 additions and 41 deletions
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79
src/stub.c
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@ -2082,52 +2082,49 @@ upstream_select_stateful(getdns_network_req *netreq, getdns_transport_list_t tra
if (i >= upstreams->count)
i = 0;
} while (i != upstreams->current_stateful);
if (!upstream) {
/* Oh, oh. We have no valid upstreams for this transport. */
/* If there are other fallback transports that are working, we should
use them before forcilby promoting failed upstreams for re-try, since
waiting for the the re-try timer to re-instate them is the right thing
in this case. */
if (other_transports_working(netreq, upstreams, transport)) {
use them before forcibly promoting failed upstreams for re-try, since
waiting for the the re-try timer to re-instate them is the right thing
in this case. */
if (other_transports_working(netreq, upstreams, transport))
return NULL;
/* Try to find one that might work so
allow backed off upstreams to be considered valid.
Don't worry about the policy, just use the one with the least bad
stats that still fits the bill (right transport, right authentication)
to try to avoid total failure due to network outages. */
do {
if (upstream_valid(&upstreams->upstreams[i], transport, netreq, 1)) {
upstream = &upstreams->upstreams[i];
break;
}
i++;
if (i >= upstreams->count)
i = 0;
} while (i != upstreams->current_stateful);
if (!upstream) {
/* We _really_ have nothing that authenticates well enough right now...
leave to regular backoff logic. */
return NULL;
}
else {
/* Try to find one that might work so
allow backed off upstreams to be considered valid.
Don't worry about the policy, just use the one with the least bad
stats that still fits the bill (right transport, right authentication)
to try to avoid total failure due to network outages. */
do {
if (upstream_valid(&upstreams->upstreams[i], transport, netreq, 1)) {
upstream = &upstreams->upstreams[i];
break;
}
i++;
if (i >= upstreams->count)
i = 0;
} while (i != upstreams->current_stateful);
if (!upstream) {
/* We _really_ have nothing that authenticates well enough right now...
leave to regular backoff logic. */
return NULL;
}
do {
i++;
if (i >= upstreams->count)
i = 0;
if (upstream_valid(&upstreams->upstreams[i], transport, netreq, 1) &&
upstream_stats(&upstreams->upstreams[i]) > upstream_stats(upstream))
upstream = &upstreams->upstreams[i];
} while (i != upstreams->current_stateful);
upstream->conn_state = GETDNS_CONN_CLOSED;
upstream->conn_backoff_interval = 1;
_getdns_upstream_log(upstream, GETDNS_LOG_UPSTREAM_STATS, GETDNS_LOG_NOTICE,
"%-40s : Upstream : No valid upstreams for %s... promoting this backed-off upstream for re-try...\n",
upstream->addr_str,
upstream->transport == GETDNS_TRANSPORT_TLS ? "TLS" : "TCP");
return upstream;
}
do {
i++;
if (i >= upstreams->count)
i = 0;
if (upstream_valid(&upstreams->upstreams[i], transport, netreq, 1) &&
upstream_stats(&upstreams->upstreams[i]) > upstream_stats(upstream))
upstream = &upstreams->upstreams[i];
} while (i != upstreams->current_stateful);
upstream->conn_state = GETDNS_CONN_CLOSED;
upstream->conn_backoff_interval = 1;
_getdns_upstream_log(upstream, GETDNS_LOG_UPSTREAM_STATS, GETDNS_LOG_NOTICE,
"%-40s : Upstream : No valid upstreams for %s... promoting this backed-off upstream for re-try...\n",
upstream->addr_str,
upstream->transport == GETDNS_TRANSPORT_TLS ? "TLS" : "TCP");
return upstream;
}
/* Now select the specific upstream */