diff options
| -rw-r--r-- | core/s2smanager.lua | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/core/s2smanager.lua b/core/s2smanager.lua index 0589e024..b42662f3 100644 --- a/core/s2smanager.lua +++ b/core/s2smanager.lua @@ -173,7 +173,7 @@ function attempt_connection(host_session, err) if not err then -- This is our first attempt log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host); host_session.connecting = true; - local answer, handle; + local handle; handle = adns.lookup(function (answer) handle = nil; host_session.connecting = nil; @@ -235,6 +235,34 @@ function attempt_connection(host_session, err) end function try_connect(host_session, connect_host, connect_port) + host_session.connecting = true; + local handle; + handle = adns.lookup(function (reply) + handle = nil; + host_session.connecting = nil; + if reply and reply[1] and reply[1].a then + log("debug", "DNS reply for %s gives us %s", connect_host, reply[1].a); + return make_connect(host_session, reply[1].a, connect_port); + else + log("debug", "DNS lookup failed to get a response for %s", connect_host); + if not attempt_connection(host_session, "name resolution failed") then -- Retry if we can + log("debug", "No other records to try for %s - destroying", host_session.to_host); + destroy_session(host_session); -- End of the line, we can't + end + end + end, connect_host, "A", "IN"); + + -- Set handler for DNS timeout + add_task(dns_timeout, function () + if handle then + adns.cancel(handle, true); + end + end); + + return true; +end + +function make_connect(host_session, connect_host, connect_port) host_session.log("info", "Beginning new connection attempt to %s (%s:%d)", host_session.to_host, connect_host, connect_port); -- Ok, we're going to try to connect |