83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
#include "Network.hpp"
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#include <cstring>
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#include <stdio.h>
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#include <iostream>
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#include <unistd.h>
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#include <algorithm>
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Network::Network(){
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conf = new Config("config.txt");
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strcpy(motd, conf->getValue("motd").c_str());
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strcat(motd, "\n");
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memset(&server, 0, sizeof(server));
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server.sin_family = AF_INET;
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server.sin_port = htons(stoi(conf->getValue("port")));
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inet_aton(conf->getValue("ip").c_str(), &server.sin_addr);
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main_socket = socket(server.sin_family, SOCK_STREAM, 0);
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if(main_socket == -1){
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perror("Socket");
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}
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if(bind(main_socket, (sockaddr*)&server, sizeof(server))){
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perror("Bind");
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}
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if(listen(main_socket, 5) == -1){
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perror("Listeen");
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}
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}
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void Network::run(){
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accepted_sock.resize(stoi(conf->getValue("conn_limit")));
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while(!will_close){
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FD_ZERO(&readfds);
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FD_SET(main_socket, &readfds);
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max_fd = main_socket;
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//construct fd_set and get max fd
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for(int fd: accepted_sock){
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if(fd > 0){
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FD_SET(fd, &readfds);
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if(max_fd < fd){ max_fd = fd; }
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}
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}
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if(select(max_fd+1, &readfds, NULL, NULL, NULL) < 0){
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perror("select");
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}
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if(FD_ISSET(main_socket, &readfds)){
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int _incomming_socket = accept(main_socket, (struct sockaddr*)&new_sockaddr, &sin_size);
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if(_incomming_socket == -1){
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perror("accept");
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}
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accepted_sock.push_back(_incomming_socket);
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std::cout << "New Connection: " << inet_ntoa(new_sockaddr.sin_addr) << std::endl;
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if(send(_incomming_socket, motd, strlen(motd), 0) == -1){perror("sendt");}
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}else{
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for(int fd: accepted_sock){
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if(FD_ISSET(fd, &readfds)){
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if((rcv_bytes = recv(fd, &msg, sizeof(msg),0)) == 0){
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std::cout << "disconnected" << std::endl;
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close(fd);
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accepted_sock.erase(std::find(accepted_sock.begin(), accepted_sock.end(), fd));
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}else{
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std::cout << "he sent :" << rcv_bytes << " bytes and it says: " << msg;
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if(std::strncmp("ping", msg, rcv_bytes-1) == 0){
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send(fd, "pong", 5, 0);
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}
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}
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break;
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}
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}
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}
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}
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}
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