#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>



#define IP_NO 192.168.0.25
#define PORT 42000
#define BACKLOG 10



int main(int argc,char** argv)
{
    int sock;
    int new_fd;
    int yes = 1;
    struct sockaddr_in my_addr;
    struct sockaddr_in peer_addr;
    int sin_size;
    char *msg = "HTTP/1.1 200 OK\r\nServer: bajs\r\nContent-type: text/html\r\nContent-length: 4\r\n\r\nTEST";



    if((sock = socket(PF_INET,SOCK_STREAM,0)) == -1) {
        perror("socket");
        exit(EXIT_FAILURE);
    }

    my_addr.sin_family = AF_INET;
    my_addr.sin_port = htons(PORT);
    my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
    memset(&(my_addr.sin_zero),sizeof(struct sockaddr_in),8); /* Zeroset rest of struct. */

    if(bind(sock,(struct sockaddr *) &my_addr,
                sizeof(struct sockaddr)) == -1) {
        perror("bind");
        exit(EXIT_FAILURE);
    }

    if(setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(int)) == -1) {
        perror("setsockopt");
        exit(EXIT_FAILURE);
    }

    if(listen(sock,BACKLOG) == -1) {
        perror("listen");
        exit(EXIT_FAILURE);
    }



    for(;;) {
        sin_size = sizeof(struct sockaddr_in);
        if((new_fd = accept(sock,(struct sockaddr *) &peer_addr,
                &sin_size)) == -1) {
            perror("accept");
            exit(EXIT_FAILURE);
        }
        printf("server: got connection from %s\n",
                inet_ntoa(peer_addr.sin_addr));
        if(!fork()) {
            close(sock);
            if((send(new_fd,msg,strlen(msg),0)) == -1)
                perror("send");
            close(new_fd);
            exit(0);
        }
        close(new_fd);
    }


    return 0;
}