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//============================================================================
// Name : drawdown_server.cpp
// Author :
// Version :
// Copyright : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================
#define _GNU_SOURCE
#include <stdio.h>
#include <iostream>
#include <pthread.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <cstring>
#include <unistd.h>
#include <vector>
#include <poll.h>
#include "server_socket.h"
#define PORT 6666
#define BUFFSIZE 255
using namespace std;
struct sockaddr_in address;
int master_socket;
bool server_online;
int test_user_count = 1;
struct player {
int socket;
int database_id;
int online; // 0 OFFLINE (SAVE), 1 ONLINE, 2 SAVED
bool available; // 1 AVAILABLE, 0 NOT AVAILABLE
string first_name;
string profile_picture;
int points;
int wins;
int diamonds;
int sos;
};
struct request {
int socket;
player* player_info;
string action;
vector<string> token;
vector<int> token_int;
};
pthread_mutex_t players_lock;
vector<request> database_requests;
vector<request> game_requests;
vector<player> players;
vector<vector<player*> > main_queue;
void* connectionThread(void*) {
vector<pollfd> poll_sockets;
pollfd* poll_sockets_ptr;
pollfd main_socket;
main_socket.fd = master_socket;
main_socket.events = POLLIN;
poll_sockets.push_back(main_socket);
int addrlen = sizeof(address);
int poll_activity = 0;
while (server_online) {
while(poll_activity == 0){
poll_sockets_ptr = &poll_sockets[0];
poll_activity = poll(poll_sockets_ptr, poll_sockets.size(), 0);
}
if (poll_activity < 0) {
perror("poll");
}
if (poll_sockets[0].revents & POLLIN) {
int new_socket;
if ((new_socket = accept(master_socket, (struct sockaddr*) &address,
(socklen_t*) &addrlen)) < 0) {
perror("accept");
}
cout << "Client " << new_socket << " ("
<< inet_ntoa(address.sin_addr) << ":"
<< ntohs(address.sin_port) << ") has connected!" << endl;
pollfd add_socket;
add_socket.fd = new_socket;
add_socket.events = POLLIN;
poll_sockets.push_back(add_socket);
char *success_msg = "SUCCESSFUL_CONNECTION;\0";
int success_msg_len = sizeof(success_msg);
if( send(new_socket, success_msg, strlen(success_msg), 0) != strlen(success_msg) )
{
perror("send");
}
}
for (int i = 0; i < poll_sockets.size(); i++) {
int s = poll_sockets[i].fd;
if (i != 0) {
if (poll_sockets[i].revents & POLLIN) {
char buffer[BUFFSIZE];
if ((read(s, buffer, BUFFSIZE)) == 0) {
cout << "Client " << s << " has disconnected!" << endl;
close(poll_sockets[i].fd);
poll_sockets.erase(poll_sockets.begin() + i);
pthread_mutex_lock(&players_lock);
for (int b = 0; b < players.size(); b++) {
if (players[b].socket == s) {
players[b].online = 0;
}
}
pthread_mutex_unlock(&players_lock);
} else {
cout << buffer << endl;
vector<string> client_messages;
char *msg_tok;
msg_tok = strtok(buffer, ";");
while (msg_tok != NULL) {
client_messages.push_back(msg_tok);
msg_tok = strtok(NULL, ";");
}
bool is_player_logged_in = false;
player *player_pointer;
pthread_mutex_lock(&players_lock);
for (int a = 0; a < players.size(); a++) {
if (s == players[a].socket) {
is_player_logged_in = true;
player_pointer = &players[a];
}
}
pthread_mutex_unlock(&players_lock);
if (client_messages.size() == 3) {
if (client_messages[0] == "LOGIN"
&& !is_player_logged_in) {
cout << "received login " << endl;
request add_request;
add_request.socket = s;
add_request.action = client_messages[0];
add_request.token.push_back(client_messages[1]);
add_request.token.push_back(client_messages[2]);
database_requests.push_back(add_request);
}
}
if (client_messages.size() == 2) {
if (client_messages[0] == "JOIN_QUEUE"
&& is_player_logged_in) {
request add_request;
add_request.socket = s;
add_request.action = client_messages[0];
add_request.token_int.push_back(
atoi(client_messages[1].c_str()));
add_request.player_info = player_pointer;
game_requests.push_back(add_request);
}
}
}
}
}
}
}
return 0;
}
void initServer() {
master_socket = socket(AF_INET,SOCK_STREAM,0);
address.sin_port = htons(6666);
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
if((bind(master_socket, (struct sockaddr*) &address, sizeof(address)))<0){
perror("bind");
}
if((listen(master_socket, 20))<0){
perror("listen");
}
server_online = true;
}
bool close_server() {
close(master_socket);
}
int main(int argc, char* argv[]) {
initServer();
pthread_t t1;
if (pthread_mutex_init(&players_lock, NULL) != 0) {
perror("mutexlock");
exit(EXIT_FAILURE);
}
pthread_create(&t1, NULL, connectionThread, NULL);
// pthread_create(&t2, NULL, gameRequestThread, NULL);
// pthread_create(&t3, NULL, databaseRequestThread, NULL);
// pthread_create(&t4, NULL, saveSweepThread, NULL);
pthread_join(t1, NULL);
// pthread_join(t2, NULL);
// pthread_join(t3, NULL);
// pthread_join(t4, NULL);
pthread_mutex_destroy(&players_lock);
if (close_server()) {
return 0;
}
}
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