2016-09-10 23:58:50 +02:00
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/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <boost/asio.hpp>
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#include <ircd/ctx_ctx.h>
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namespace ip = boost::asio::ip;
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using namespace ircd;
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struct m_host
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:cmd
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{
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2016-09-11 08:05:38 +02:00
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void operator()(client &, line) override;
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2016-09-10 23:58:50 +02:00
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using cmd::cmd;
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}
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static m_host
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{
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"host"
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};
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ip::tcp::resolver tcp_resolver
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{
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*ircd::ios
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};
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mapi::fini fini{[]
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{
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tcp_resolver.cancel();
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}};
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mapi::header IRCD_MODULE
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{
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"host - DNS command",
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mapi::NO_FLAGS,
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&fini
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};
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void
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2016-09-11 08:05:38 +02:00
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m_host::operator()(client &client,
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2016-09-10 23:58:50 +02:00
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line line)
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try
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{
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2016-09-13 21:39:13 +02:00
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const lifeguard<struct client> lg(client);
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2016-09-10 23:58:50 +02:00
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const auto &host(line[0]);
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const auto &port(has(line, 1)? line[1] : std::string{});
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const ip::tcp::resolver::query query(host, port);
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auto epit(tcp_resolver.async_resolve(query, yield(continuation())));
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static const ip::tcp::resolver::iterator end;
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for(; epit != end; ++epit)
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std::cout << "ep: " << epit->endpoint().address().to_string() << std::endl;
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}
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catch(const std::exception &e)
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{
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std::cerr << "error: " << e.what() << std::endl;
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}
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