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#pragma once
#include <cerrno>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <stdexcept>
#include <string>
#include <arpa/inet.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <unistd.h>
#include "net/conn.hpp"
namespace net {
class server {
struct sockaddr_in server_address {};
int sock_fd;
public:
server(std::string hostname, int port)
{
server_address.sin_family = AF_INET;
inet_pton(AF_INET, hostname.c_str(), &server_address.sin_addr);
server_address.sin_port = htons(port);
}
~server()
{
close(sock_fd);
}
void bind()
{
sock_fd = socket(AF_INET, SOCK_STREAM, 0);
if (sock_fd < 0)
throw std::runtime_error(strerror(errno));
int bindStatus = ::bind(sock_fd, (struct sockaddr*)&server_address, sizeof(server_address));
if (bindStatus < 0)
throw std::runtime_error(strerror(errno));
}
void listen(int max_connections)
{
::listen(sock_fd, max_connections);
}
conn accept()
{
sockaddr_in conn_addr {};
socklen_t conn_addr_size = sizeof(conn_addr);
int conn_fd = ::accept(sock_fd, (struct sockaddr*)&conn_addr, &conn_addr_size);
if (conn_fd < 0)
throw std::runtime_error(strerror(errno));
return conn { conn_fd, conn_addr, conn_addr_size };
}
};
}
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