79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
#include "UdpServer.h"
|
|
#include "BoostLog.h"
|
|
#include "boost/endian.hpp"
|
|
#include <random>
|
|
#include <sstream>
|
|
|
|
UdpServer::UdpServer(boost::asio::io_context &io_context)
|
|
: m_socket(io_context, boost::asio::ip::udp::endpoint(boost::asio::ip::udp::v4(), 8088)), m_reveiveBuffer(512),
|
|
m_timer(io_context) {
|
|
|
|
// start recieve.
|
|
m_socket.async_receive_from(
|
|
boost::asio::buffer(m_reveiveBuffer), m_remotePoint,
|
|
std::bind(&UdpServer::reveiveHandler, this, std::placeholders::_1, std::placeholders::_2));
|
|
|
|
sendData();
|
|
|
|
boost::system::error_code error;
|
|
auto address = boost::asio::ip::address::from_string("127.0.0.1", error);
|
|
if (error) {
|
|
LOG(error) << error.message();
|
|
} else {
|
|
m_remotePoint = boost::asio::ip::udp::endpoint(address, 1234);
|
|
}
|
|
}
|
|
|
|
void UdpServer::reveiveHandler(const boost::system::error_code &error, std::size_t bytes_transferred) {
|
|
LOG(info) << "Received byte size: " << bytes_transferred
|
|
<< ",remote ip address: " << m_remotePoint.address().to_string() << std::endl;
|
|
if (error) {
|
|
LOG(error) << error.message();
|
|
return;
|
|
}
|
|
|
|
handleReceivedBuffer(m_reveiveBuffer);
|
|
|
|
// continue recieve next datagram.
|
|
m_socket.async_receive_from(
|
|
boost::asio::buffer(m_reveiveBuffer), m_remotePoint,
|
|
std::bind(&UdpServer::reveiveHandler, this, std::placeholders::_1, std::placeholders::_2));
|
|
}
|
|
|
|
void UdpServer::sendHandler(const boost::system::error_code &error, std::size_t bytes_transferred) {
|
|
if (error) {
|
|
LOG(error) << error.message();
|
|
}
|
|
}
|
|
|
|
void UdpServer::handleReceivedBuffer(std::vector<char> &data) {
|
|
}
|
|
|
|
void UdpServer::sendData() {
|
|
using namespace std::chrono_literals;
|
|
static uint32_t index = 0;
|
|
m_timer.expires_after(1ms);
|
|
m_timer.async_wait([this](const boost::system::error_code &) {
|
|
std::random_device rd; // 将用于获得随机数引擎的种子
|
|
std::mt19937 gen(rd()); // 以 rd() 播种的标准 mersenne_twister_engine
|
|
std::uniform_int_distribution<uint32_t> distribution(std::numeric_limits<uint32_t>::min(),
|
|
std::numeric_limits<uint32_t>::max());
|
|
|
|
std::array<char, 408> data;
|
|
data[0] = 0xAA;
|
|
data[1] = 0xFF;
|
|
data[2] = 0x55;
|
|
data[3] = 0x00;
|
|
auto bigEndian = reinterpret_cast<uint32_t *>(&data[4]);
|
|
*bigEndian++ = boost::endian::native_to_big(index++);
|
|
for (size_t i = 0; i < 100; i++) {
|
|
*bigEndian++ = boost::endian::native_to_big(distribution(gen));
|
|
}
|
|
|
|
m_socket.async_send_to(boost::asio::buffer(data), m_remotePoint,
|
|
std::bind(&UdpServer::sendHandler, this, std::placeholders::_1, std::placeholders::_2));
|
|
|
|
sendData();
|
|
});
|
|
}
|