An Overlay-based
Virtual Network Substrate
SpoVNet

source: sample/AribaTunnel/Udp.h @ 12457

Last change on this file since 12457 was 12457, checked in by hock@…, 9 years ago

added AribaTunnel? to the repo

File size: 2.6 KB
Line 
1/*
2 * The MIT License (MIT)
3 *
4 * Copyright (c) 2013 Mario Hock mails2013@omnifile.org
5 *
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software and associated documentation
8 * files (the "Software"), to deal in the Software without
9 * restriction, including without limitation the rights to use,
10 * copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following
13 * conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
20 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
22 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
26 *
27 */
28
29#ifndef UDP_H
30#define UDP_H
31
32#include "MessageSenderInterface.h"
33
34#include <ctime>
35#include <iostream>
36#include <string>
37#include <boost/array.hpp>
38#include <boost/bind.hpp>
39#include <boost/shared_ptr.hpp>
40#include <boost/asio.hpp>
41
42using boost::asio::ip::udp;
43
44class udp_server  :
45    public MessageSenderInterface
46{
47public:
48    /// constructor
49    udp_server(boost::asio::io_service& io_service,
50             MessageSenderInterface& tunnel) :
51        socket_(io_service),
52        tunnel(tunnel)
53    {
54    }
55   
56    virtual ~udp_server();
57   
58    /// opens an udp "server-socket" on the given port
59    void listen_on(uint16_t port);
60   
61    /// connects an udp "client-socket" to the given port (on localhost)
62    void connect_to(uint16_t port);
63   
64   
65    /// MessageSenderInterface
66    virtual void SendMessage(reboost::message_t msg);
67    virtual void SendMessage(reboost::shared_buffer_t msg);
68
69private:
70    void start_receive();
71
72    void handle_receive(const boost::system::error_code& error,
73            std::size_t bytes_transferred);
74   
75    void handle_send(reboost::shared_buffer_t msg,
76        const boost::system::error_code& /*error*/,
77        std::size_t /*bytes_transferred*/);
78   
79    /// forward data over ariba
80    void send_via_ariba(reboost::shared_buffer_t buffer);
81
82private:
83    udp::socket socket_;
84    MessageSenderInterface& tunnel;
85    udp::endpoint remote_endpoint_;
86    reboost::shared_buffer_t recv_buffer_;
87};
88
89#endif // UDP_H
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