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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <strings.h>
#include <unistd.h>
#include <pthread.h>

#define PORT            (1224)

void *client(void *clisockfd) {
    printf("Client connected!\n");
    close((int) clisockfd);
    pthread_exit(NULL);
}   

int main(void) {
    int sockfd, clisockfd, clilen;
    struct sockaddr_in serv_addr, cli_addr;
    int err = 0;
    pthread_t client_thread;

    bzero(&serv_addr, sizeof(serv_addr));

    err = sockfd = socket(AF_INET, SOCK_STREAM, 0);
    if (err == -1) {
        perror("socket");
        return -1;
    }

    serv_addr.sin_family = AF_INET;
    serv_addr.sin_addr.s_addr = INADDR_ANY;
    serv_addr.sin_port = htons(PORT);

    err = bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
    if (err == -1) {
        perror("bind");
        return -1;
    }

    err = listen(sockfd, 5);
    if (err == -1) {
        perror("listen");
        return -1;
    }

    clilen = sizeof(cli_addr);
    while(1) {
        clisockfd = accept(sockfd, (struct sockaddr *) &cli_addr, 
                          (socklen_t *) &clilen);
        if (clisockfd == -1) {
            perror("accept");
            return -1;
        }
        pthread_create(&client_thread, NULL, client, (void *) clisockfd);
    }
    close(sockfd);

    return 0;
}