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#include "server.h"
#include "login.h"
#include "log.h"
#include <netinet/in.h>
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>
static int socket_fd;
void closeServer(int dummy) {
close(socket_fd);
info("Caught SIGINT\n");
}
int server_listen(server_t *server) {
/*
**
** The `socket(2)` syscall returns a file descriptor for a socket
**
** it takes two arguments that we care about:
** - domain -- AF_INET for IPv4
** - type -- SOCK_STREAM sequenced and reliable
**
*/
int err = (server->listen_fd = socket(AF_INET, SOCK_STREAM, 0));
if (err == -1) {
perror("socket");
error("Failed to create socket");
return err;
}
struct sockaddr_in server_addr = {0};
/*
* if (signal(SIGINT, closeServer) == SIG_ERR) { error("Could not set signal handler\n");
* return -1;
* }
*
*/
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
server_addr.sin_port = htons(8000);
if (setsockopt(server->listen_fd, SOL_SOCKET, SO_REUSEADDR,(int*)1,1)) {
debug("Could not set SO_REUSEADDR on server socket, continuing");
}
err = bind(server->listen_fd, (struct sockaddr *)&server_addr,
sizeof(server_addr));
if (err == -1) {
perror("bind");
error("Failed to bind socket\n");
return err;
}
socket_fd = server->listen_fd;
err = listen(server->listen_fd, 100);
if (err == -1) {
perror("listen");
error("Failed to listen on socket\n");
return err;
}
info("Bound to port 8000");
return 0;
}
int server_accept(server_t *server) {
int err = 0;
int conn_fd;
socklen_t client_len;
struct sockaddr_in client_addr;
client_len = sizeof(client_addr);
for (;;) {
err = (conn_fd = accept(server->listen_fd, (struct sockaddr *)&client_addr,
&client_len));
debug("Accepting a new connection");
if (err == -1) {
perror("Accept");
error("failed accepting connection");
return err;
}
if (!fork()) {
debug("Forking, let's go handle them!");
handle_player(conn_fd);
}
}
return err;
}
int send_to_fd(int fd, char *msg) {
int err = 0;
err = send(fd, msg, strlen(msg), 0);
return err;
}
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