diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/dns.lua | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/net/dns.lua b/net/dns.lua index 67eaa647..1dcb0479 100644 --- a/net/dns.lua +++ b/net/dns.lua @@ -856,6 +856,9 @@ function resolver:query(qname, qtype, qclass) -- - - - - - - - - - -- query server = self.best_server, delay = 1, retry = socket.gettime() + self.delays[1] + qclass = qclass; + qtype = qtype; + qname = qname; }; -- remember the query @@ -878,19 +881,14 @@ function resolver:query(qname, qtype, qclass) -- - - - - - - - - - -- query local i = 1; timer.add_task(self.timeout, function () if get(self.wanted, qclass, qtype, qname, co) then - if i < num_servers then log("debug", "DNS request timeout %d/%d", i, num_servers) i = i + 1; - self:servfail(conn); - o.server = self.best_server; - conn, err = self:getsocket(o.server); - if conn then - conn:send(o.packet); - return self.timeout; - end - end - -- Tried everything, failed - self:cancel(qclass, qtype, qname); + self:servfail(self.socket[o.server]); +-- end + end + -- Still outstanding? (i.e. retried) + if get(self.wanted, qclass, qtype, qname, co) then + return self.timeout; -- Then wait end end) end @@ -917,12 +915,19 @@ function resolver:servfail(sock, err) end o.retries = (o.retries or 0) + 1; - if o.retries >= #self.server then - --print('timeout'); - queries[question] = nil; - else + local retried; + if o.retries < #self.server then sock, err = self:getsocket(o.server); - if sock then sock:send(o.packet); end + if sock then + retried = true; + log("debug", "retry %d (immediate)", o.retries); + sock:send(o.packet); + end + end + if not retried then + log("debug", 'tried all servers, giving up'); + self:cancel(o.qclass, o.qtype, o.qname); + queries[question] = nil; end end end |