Older/Server/UdpServer.cpp

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2023-07-21 16:17:01 +08:00
#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();
});
}