Wed, 08 Apr 2009 11:21:21 +0100
componentmanager: Reply with service-unavailable for unconnected components
870
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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1 | local server = require "net.server"; |
871
642af1bdf74e
net.adns: Load the correct dns lib
Matthew Wild <mwild1@gmail.com>
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870
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2 | local dns = require "net.dns"; |
870
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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3 | |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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4 | local log = require "util.logger".init("adns"); |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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5 | |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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6 | local coroutine, tostring = coroutine, tostring; |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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7 | |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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8 | module "adns" |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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9 | |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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10 | function lookup(handler, qname, qtype, qclass) |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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11 | return dns.peek(qname, qtype, qclass) or |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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12 | coroutine.wrap(function () |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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13 | log("debug", "Records for "..qname.." not in cache, sending query (%s)...", tostring(coroutine.running())); |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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14 | dns.query(qname, qtype, qclass); |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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15 | coroutine.yield(nil); -- Wait for reply |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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16 | log("debug", "Reply for "..qname.." (%s)", tostring(coroutine.running())); |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
diff
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17 | handler(dns.peek(qname, qtype, qclass)); |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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18 | end)(); |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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19 | end |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
diff
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20 | |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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21 | function new_async_socket(sock) |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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22 | local newconn = {}; |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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23 | local listener = {}; |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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24 | function listener.incoming(conn, data) |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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25 | dns.feed(sock, data); |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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26 | end |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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27 | function listener.disconnect() |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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28 | end |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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29 | newconn.handler, newconn._socket = server.wrapclient(sock, "dns", 53, listener); |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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30 | newconn.handler.settimeout = function () end |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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31 | newconn.handler.setsockname = function (_, ...) return sock:setsockname(...); end |
886
96de7f0a41cc
net.adns: Set new send in net.server after 'connecting UDP' socket
Matthew Wild <mwild1@gmail.com>
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32 | newconn.handler.setpeername = function (_, ...) local ret = sock:setpeername(...); _.setsend(sock.send); return ret; end |
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4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
parents:
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33 | newconn.handler.connect = function (_, ...) return sock:connect(...) end |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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34 | newconn.handler.send = function (_, data) return _.write(data) end |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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35 | return newconn.handler; |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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36 | end |
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net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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37 | |
4fd5d8f1657c
net.adns: Add helper module for performing non-blocking DNS lookups
Matthew Wild <mwild1@gmail.com>
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38 | dns:socket_wrapper_set(new_async_socket); |
872 | 39 | |
40 | return _M; |