Last Update (partial) have to link every file in the right place

server/Database.cpp

@@ -0,0 +1,33 @@
+#include "Database.hpp"
+#include "Config.hpp"
+
+Database::Database(){
+	Config conf("config.txt");
+	std::string pgsqlConnectingString;
+
+	pgsqlConnectingString
+		.append(" host=").append(conf.getValue("db_host"))
+		.append(" dbname=").append(conf.getValue("db_name"))
+		.append(" user=").append(conf.getValue("db_user"))
+		.append(" password=").append(conf.getValue("db_pass"));
+	std::cout << pgsqlConnectingString << std::endl;
+
+	dbconn = PQconnectdb(pgsqlConnectingString.c_str());
+}
+
+void Database::execute(std::string cmd){
+	PQexec(dbconn, cmd.c_str());
+}
+
+PGresult* Database::fetch(std::string cmd){
+	PGresult *r = PQexec(dbconn, cmd.c_str());
+	return r;
+
+	// Don't forget to close after using this request
+
+
+}
+
+void Database::disconnect(){
+	PQfinish(dbconn);
+}

server/Database.hpp

@@ -0,0 +1,25 @@
+#include <string>
+#include <iostream>
+#include <libpq-fe.h>
+#include <vector>
+
+#ifndef DATABASE_H
+#define DATABASE_H
+
+class Database
+{
+private:
+	
+	PGconn *dbconn;
+
+public:
+	Database();
+
+	void execute(std::string cmd);
+
+	PGresult* fetch(std::string cmd);
+
+	void disconnect();
+};
+
+#endif /* DATABASE_H */

server/Network.cpp

@@ -0,0 +1,82 @@
+#include "Network.hpp"
+#include <cstring>
+#include <stdio.h>
+#include <iostream>
+#include <unistd.h>
+#include <algorithm>
+
+Network::Network(){
+	conf = new Config("config.txt");
+
+	strcpy(motd, conf->getValue("motd").c_str());
+	strcat(motd, "\n");
+
+	memset(&server, 0, sizeof(server));
+	server.sin_family = AF_INET;
+	server.sin_port = htons(stoi(conf->getValue("port")));
+	inet_aton(conf->getValue("ip").c_str(), &server.sin_addr);
+
+	main_socket = socket(server.sin_family, SOCK_STREAM, 0);
+	if(main_socket == -1){
+		perror("Socket");
+	}
+
+	if(bind(main_socket, (sockaddr*)&server, sizeof(server))){
+		perror("Bind");
+	}
+
+	if(listen(main_socket, 5) == -1){
+		perror("Listeen");
+	}
+}
+void Network::run(){
+
+	accepted_sock.resize(stoi(conf->getValue("conn_limit")));
+
+	while(!will_close){
+		FD_ZERO(&readfds);
+		FD_SET(main_socket, &readfds);
+		max_fd = main_socket;
+
+		//construct fd_set and get max fd
+		for(int fd: accepted_sock){
+			if(fd > 0){
+				FD_SET(fd, &readfds);
+				if(max_fd < fd){ max_fd = fd; }
+			}
+		}
+
+		if(select(max_fd+1, &readfds, NULL, NULL, NULL) < 0){
+			perror("select");
+		}
+
+		if(FD_ISSET(main_socket, &readfds)){
+			int _incomming_socket = accept(main_socket, (struct sockaddr*)&new_sockaddr, &sin_size);
+			if(_incomming_socket == -1){
+				perror("accept");
+			}
+			accepted_sock.push_back(_incomming_socket);
+			std::cout << "New Connection: " << inet_ntoa(new_sockaddr.sin_addr) << std::endl;
+			if(send(_incomming_socket, motd, strlen(motd), 0) == -1){perror("sendt");}
+		}else{
+			for(int fd: accepted_sock){
+				if(FD_ISSET(fd, &readfds)){
+					if((rcv_bytes = recv(fd, &msg, sizeof(msg),0)) == 0){
+						std::cout << "disconnected" << std::endl;
+						close(fd);
+						accepted_sock.erase(std::find(accepted_sock.begin(), accepted_sock.end(), fd));
+					}else{
+						std::cout << "he sent :" << rcv_bytes << " bytes and it says: " << msg;
+						if(std::strncmp("ping", msg, rcv_bytes-1) == 0){
+							send(fd, "pong", 5, 0);
+
+						}
+						
+					}
+					break;
+				}
+			}
+
+		}
+	}
+}

server/Network.hpp

@@ -0,0 +1,46 @@
+/******************************************************************************
+* File:             network.hpp
+*
+* Author:           Tonitch  
+* Created:          12/10/21 
+* Description:      Header for meuporg (name might change) for network part
+*****************************************************************************/
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <vector>
+#include <sys/select.h> 
+#include "Config.hpp"
+
+#ifndef NETWORK_H
+#define NETWORK_H
+class Network
+{
+private:
+	int main_socket;
+	std::vector<int> accepted_sock;
+	int max_fd;
+	
+	fd_set readfds;
+
+	sockaddr_in server, new_sockaddr;
+	bool will_close = false;
+	char msg[1025], motd[1025];
+	
+	int rcv_bytes;
+	unsigned int sin_size = sizeof(struct sockaddr*);
+
+	Config* conf;
+
+public:
+	Network();
+	void run();
+};
+
+
+#endif /* NETWORK_H */
+
+
+