prosody
aa8db84ae69d
net/adns.lua

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net/adns.lua @ 2232:aa8db84ae69d

net.adns: Some cleanup, happens to also make it compatible with libevent
author Matthew Wild <mwild1@gmail.com>
date Thu, 26 Nov 2009 22:08:10 +0000
parent 2128:f107f0205793
child 2556:50d1ba86a959
comparison
equal deleted inserted replaced
2231:288832cdec52 2232:aa8db84ae69d
41 coroutine.resume(handle[4]); 41 coroutine.resume(handle[4]);
42 end 42 end
43 end 43 end
44 44
45 function new_async_socket(sock, resolver) 45 function new_async_socket(sock, resolver)
46 local newconn, peername = {}, "<unknown>"; 46 local peername = "<unknown>";
47 local listener = {}; 47 local listener = {};
48 local handler = {};
48 function listener.onincoming(conn, data) 49 function listener.onincoming(conn, data)
49 dns.feed(sock, data); 50 dns.feed(handler, data);
50 end 51 end
51 function listener.ondisconnect(conn, err) 52 function listener.ondisconnect(conn, err)
52 log("warn", "DNS socket for %s disconnected: %s", peername, err); 53 log("warn", "DNS socket for %s disconnected: %s", peername, err);
53 local servers = resolver.server; 54 local servers = resolver.server;
54 if resolver.socketset[newconn.handler] == resolver.best_server and resolver.best_server == #servers then 55 if resolver.socketset[conn] == resolver.best_server and resolver.best_server == #servers then
55 log("error", "Exhausted all %d configured DNS servers, next lookup will try %s again", #servers, servers[1]); 56 log("error", "Exhausted all %d configured DNS servers, next lookup will try %s again", #servers, servers[1]);
56 end 57 end
57 58
58 resolver:servfail(conn); -- Let the magic commence 59 resolver:servfail(conn); -- Let the magic commence
59 end 60 end
60 newconn.handler, newconn._socket = server.wrapclient(sock, "dns", 53, listener); 61 handler = server.wrapclient(sock, "dns", 53, listener);
61 if not newconn.handler then 62 if not handler then
62 log("warn", "handler is nil"); 63 log("warn", "handler is nil");
63 end 64 end
64 if not newconn._socket then 65
65 log("warn", "socket is nil"); 66 handler.settimeout = function () end
66 end 67 handler.setsockname = function (_, ...) return sock:setsockname(...); end
67 newconn.handler.settimeout = function () end 68 handler.setpeername = function (_, ...) peername = (...); local ret = sock:setpeername(...); _:set_send(sock.send); return ret; end
68 newconn.handler.setsockname = function (_, ...) return sock:setsockname(...); end 69 handler.connect = function (_, ...) return sock:connect(...) end
69 newconn.handler.setpeername = function (_, ...) peername = (...); local ret = sock:setpeername(...); _.setsend(sock.send); return ret; end 70 handler.send = function (_, data) _:write(data); return _.sendbuffer and _.sendbuffer(); end
70 newconn.handler.connect = function (_, ...) return sock:connect(...) end 71 return handler;
71 newconn.handler.send = function (_, data) _.write(_, data); return _.sendbuffer(); end
72 return newconn.handler;
73 end 72 end
74 73
75 dns:socket_wrapper_set(new_async_socket); 74 dns:socket_wrapper_set(new_async_socket);
76 75
77 return _M; 76 return _M;