image_tagger.c

#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <strings.h>
#include <sys/select.h>
#include <sys/sendfile.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

// constants
static char const * const HTTP_200_FORMAT = "HTTP/1.1 200 OK\r\n\
Content-Type: text/html\r\n\
Content-Length: %ld\r\n\r\n";
static char const * const HTTP_400 = "HTTP/1.1 400 Bad Request\r\nContent-Length: 0\r\n\r\n";
static int const HTTP_400_LENGTH = 47;
static char const * const HTTP_404 = "HTTP/1.1 404 Not Found\r\nContent-Length: 0\r\n\r\n";
static int const HTTP_404_LENGTH = 45;

int player1;
int player2;

bool player1_ready;
bool player2_ready;

char player1_k[2005][205];
char player2_k[2005][205];

int player1_knum;
int player2_knum;

// represents the types of method
typedef enum
{
    GET,
    POST,
    UNKNOWN
} METHOD;

static bool handle_http_request(int sockfd)
{
    // try to read the request
    char buff[2049];
    int n = read(sockfd, buff, 2049);
    //fwrite(buff,1,2049,stdout);
    if (n <= 0)
    {
        if (n < 0)
            perror("read");
        else
            printf("socket %d close the connection\n", sockfd);
        return false;
    }
    if( player1 <0 && player2 != sockfd){
      player1 = sockfd;
    }
    if( player2 <0 && player1 != sockfd){
      player2 = sockfd;
    }

    // terminate the string
    buff[n] = 0;