mirror of
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136 lines
3.8 KiB
C++
136 lines
3.8 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ZMQ_SOCKS_HPP_INCLUDED__
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#define __ZMQ_SOCKS_HPP_INCLUDED__
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#include <string>
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#include "fd.hpp"
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#include "stdint.hpp"
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namespace zmq
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{
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struct socks_greeting_t
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{
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socks_greeting_t (uint8_t method);
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socks_greeting_t (uint8_t *methods_, uint8_t num_methods_);
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uint8_t methods [UINT8_MAX];
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const size_t num_methods;
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};
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class socks_greeting_encoder_t
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{
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public:
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socks_greeting_encoder_t ();
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void encode (const socks_greeting_t &greeting_);
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int output (fd_t fd_);
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bool has_pending_data () const;
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void reset ();
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private:
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size_t bytes_encoded;
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size_t bytes_written;
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uint8_t buf [2 + UINT8_MAX];
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};
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struct socks_choice_t
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{
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socks_choice_t (uint8_t method_);
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uint8_t method;
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};
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class socks_choice_decoder_t
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{
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public:
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socks_choice_decoder_t ();
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int input (fd_t fd_);
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bool message_ready () const;
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socks_choice_t decode ();
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void reset ();
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private:
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unsigned char buf [2];
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size_t bytes_read;
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};
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struct socks_request_t
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{
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socks_request_t (
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uint8_t command_, std::string hostname_, uint16_t port_);
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const uint8_t command;
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const std::string hostname;
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const uint16_t port;
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};
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class socks_request_encoder_t
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{
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public:
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socks_request_encoder_t ();
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void encode (const socks_request_t &req);
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int output (fd_t fd_);
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bool has_pending_data () const;
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void reset ();
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private:
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size_t bytes_encoded;
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size_t bytes_written;
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uint8_t buf [4 + UINT8_MAX + 1 + 2];
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};
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struct socks_response_t
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{
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socks_response_t (
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uint8_t response_code_, std::string address_, uint16_t port_);
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uint8_t response_code;
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std::string address;
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uint16_t port;
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};
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class socks_response_decoder_t
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{
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public:
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socks_response_decoder_t ();
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int input (fd_t fd_);
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bool message_ready () const;
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socks_response_t decode ();
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void reset ();
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private:
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int8_t buf [4 + UINT8_MAX + 1 + 2];
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size_t bytes_read;
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};
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}
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#endif
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