改编了直接可用的接收端:
//
// receiver.cpp// ~~~~~~~~~~~~
//
// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <iostream>
#include <string>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
const short multicast_port = 80000;
using namespace std ;
class receiver
{
public:
receiver(boost::asio::io_service& io_service,
const boost::asio::ip::address& listen_address,
const boost::asio::ip::address& multicast_address)
: socket_(io_service)
{
// Create the socket so that multiple may be bound to the same address.
boost::asio::ip::udp::endpoint listen_endpoint(
listen_address, multicast_port);
socket_.open(listen_endpoint.protocol());
socket_.set_option(boost::asio::ip::udp::socket::reuse_address(true));
socket_.bind(listen_endpoint);
// Join the multicast group.
socket_.set_option(
boost::asio::ip::multicast::join_group(multicast_address));
socket_.async_receive_from(
boost::asio::buffer(data_, max_length), sender_endpoint_,
boost::bind(&receiver::handle_receive_from, this,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
}
void handle_receive_from(const boost::system::error_code& error,
size_t bytes_recvd)
{
if (!error)
{
std::cout.write(data_, bytes_recvd);
std::cout << std::endl;
socket_.async_receive_from(
boost::asio::buffer(data_, max_length), sender_endpoint_,
boost::bind(&receiver::handle_receive_from, this,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
}
}
private:
boost::asio::ip::udp::socket socket_;
boost::asio::ip::udp::endpoint sender_endpoint_;
enum { max_length = 1024 };
char data_[max_length];
};
int main(int argc, char* argv[])
{
try
{
argc = 3 ;
if (argc != 3)
{
std::cerr << "Usage: receiver <listen_address> <multicast_address>\n";
std::cerr << " For IPv4, try:\n";
std::cerr << " receiver 0.0.0.0 239.255.0.1\n";
std::cerr << " For IPv6, try:\n";
std::cerr << " receiver 0::0 ff31::8000:1234\n";
return 1;
}
char address2[]="239.255.0.1" ;char address1[]="0.0.0.0" ;
argv[1] = address1 ;
argv[2] = address2 ;
cout<<argv[1]<<endl;
cout<<argv[2]<<endl;
boost::asio::io_service io_service;
receiver r(io_service,
boost::asio::ip::address::from_string(argv[1]),
boost::asio::ip::address::from_string(argv[2]));
io_service.run();
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << "\n";
}
return 0;
}
改编直接和上面配对的发送端
//
// sender.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <iostream>
#include <sstream>
#include <string>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
const short multicast_port = 80000;
const int max_message_count = 60000;
using namespace std ;
class sender
{
public:
sender(boost::asio::io_service& io_service,
const boost::asio::ip::address& multicast_address)
: endpoint_(multicast_address, multicast_port),
socket_(io_service, endpoint_.protocol()),
timer_(io_service),
message_count_(0)
{
std::ostringstream os;
os << "Message " << message_count_++;
message_ = os.str();
cout<<message_<<endl;
socket_.async_send_to(
boost::asio::buffer(message_), endpoint_,
boost::bind(&sender::handle_send_to, this,
boost::asio::placeholders::error));
}
void handle_send_to(const boost::system::error_code& error)
{
if (!error && message_count_ < max_message_count)
{
timer_.expires_from_now(boost::posix_time::seconds(1));
timer_.async_wait(
boost::bind(&sender::handle_timeout, this,
boost::asio::placeholders::error));
}
}
void handle_timeout(const boost::system::error_code& error)
{
if (!error)
{
std::ostringstream os;
os << "Message " << message_count_++;
message_ = os.str();
cout<<"time out "<<message_<<endl;
socket_.async_send_to(
boost::asio::buffer(message_), endpoint_,
boost::bind(&sender::handle_send_to, this,
boost::asio::placeholders::error));
}
}
private:
boost::asio::ip::udp::endpoint endpoint_;
boost::asio::ip::udp::socket socket_;
boost::asio::deadline_timer timer_;
int message_count_;
std::string message_;
};
int main(int argc, char* argv[])
{
try
{
argc = 2 ;
if (argc != 2)
{
std::cerr << "Usage: sender <multicast_address>\n";
std::cerr << " For IPv4, try:\n";
std::cerr << " sender 239.255.0.1\n";
std::cerr << " For IPv6, try:\n";
std::cerr << " sender ff31::8000:1234\n";
return 1;
}
char address[]="239.255.0.1" ;
argv[1] = address ;
cout<<argv[1]<<endl;
boost::asio::io_service io_service;
sender s(io_service, boost::asio::ip::address::from_string(argv[1]));
io_service.run();
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << "\n";
}
return 0;
}
// sender.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <iostream>
#include <sstream>
#include <string>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
const short multicast_port = 80000;
const int max_message_count = 60000;
using namespace std ;
class sender
{
public:
sender(boost::asio::io_service& io_service,
const boost::asio::ip::address& multicast_address)
: endpoint_(multicast_address, multicast_port),
socket_(io_service, endpoint_.protocol()),
timer_(io_service),
message_count_(0)
{
std::ostringstream os;
os << "Message " << message_count_++;
message_ = os.str();
cout<<message_<<endl;
socket_.async_send_to(
boost::asio::buffer(message_), endpoint_,
boost::bind(&sender::handle_send_to, this,
boost::asio::placeholders::error));
}
void handle_send_to(const boost::system::error_code& error)
{
if (!error && message_count_ < max_message_count)
{
timer_.expires_from_now(boost::posix_time::seconds(1));
timer_.async_wait(
boost::bind(&sender::handle_timeout, this,
boost::asio::placeholders::error));
}
}
void handle_timeout(const boost::system::error_code& error)
{
if (!error)
{
std::ostringstream os;
os << "Message " << message_count_++;
message_ = os.str();
cout<<"time out "<<message_<<endl;
socket_.async_send_to(
boost::asio::buffer(message_), endpoint_,
boost::bind(&sender::handle_send_to, this,
boost::asio::placeholders::error));
}
}
private:
boost::asio::ip::udp::endpoint endpoint_;
boost::asio::ip::udp::socket socket_;
boost::asio::deadline_timer timer_;
int message_count_;
std::string message_;
};
int main(int argc, char* argv[])
{
try
{
argc = 2 ;
if (argc != 2)
{
std::cerr << "Usage: sender <multicast_address>\n";
std::cerr << " For IPv4, try:\n";
std::cerr << " sender 239.255.0.1\n";
std::cerr << " For IPv6, try:\n";
std::cerr << " sender ff31::8000:1234\n";
return 1;
}
char address[]="239.255.0.1" ;
argv[1] = address ;
cout<<argv[1]<<endl;
boost::asio::io_service io_service;
sender s(io_service, boost::asio::ip::address::from_string(argv[1]));
io_service.run();
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << "\n";
}
return 0;
}
改良的发送方式:(除去了类)
#include <public.hpp>
#include <AIS_Decode.hpp>
void UDP_Send()
{
boost::asio::io_service io_service;
udp::socket s(io_service, udp::endpoint(udp::v4(), 0));
udp::resolver resolver(io_service);
udp::resolver::query query(udp::v4(),statebuffer.UDP_destination, statebuffer.UDP_destination_port);
//udp::resolver::query query(udp::v4(),"239.0.1.2", "30001");
//udp::endpoint destination(boost::asio::ip::address::from_string("255.255.255.255"), 10000);
udp::resolver::iterator iterator = resolver.resolve(query);
std::cout << "Group UDP";
const char *UDP_Message ;
unsigned int SendTime =0 ;
uchar messgenum = sepstate.msg_num - sepstate.err_num ;
for(uchar i =0 ;i<messgenum;i++)
{
UDP_Message = sepstate.plaintext[i].c_str();
size_t request_length = strlen(UDP_Message);
s.send_to(boost::asio::buffer(UDP_Message, request_length), *iterator);
cout<<"Sending : "<<SendTime<<endl; SendTime ++ ;
}
}
int main_NetSend()
{
Send_deal(&sepstate,&statebuffer);
return 1 ;
}
#include <AIS_Decode.hpp>
void UDP_Send()
{
boost::asio::io_service io_service;
udp::socket s(io_service, udp::endpoint(udp::v4(), 0));
udp::resolver resolver(io_service);
udp::resolver::query query(udp::v4(),statebuffer.UDP_destination, statebuffer.UDP_destination_port);
//udp::resolver::query query(udp::v4(),"239.0.1.2", "30001");
//udp::endpoint destination(boost::asio::ip::address::from_string("255.255.255.255"), 10000);
udp::resolver::iterator iterator = resolver.resolve(query);
std::cout << "Group UDP";
const char *UDP_Message ;
unsigned int SendTime =0 ;
uchar messgenum = sepstate.msg_num - sepstate.err_num ;
for(uchar i =0 ;i<messgenum;i++)
{
UDP_Message = sepstate.plaintext[i].c_str();
size_t request_length = strlen(UDP_Message);
s.send_to(boost::asio::buffer(UDP_Message, request_length), *iterator);
cout<<"Sending : "<<SendTime<<endl; SendTime ++ ;
}
}
int main_NetSend()
{
Send_deal(&sepstate,&statebuffer);
return 1 ;
}