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

#include <android/log.h>

#define fprintf(X, ...) __android_log_print(ANDROID_LOG_INFO, "Ballfield", __VA_ARGS__)
#define printf(...) __android_log_print(ANDROID_LOG_INFO, "Ballfield", __VA_ARGS__)



void error(const char *msg)
{
    perror(msg);
    __android_log_print(ANDROID_LOG_ERROR, "Ballfield", "%s", msg);
    exit(1);
}

int create_server_socket(int portno)
{
     int sockfd, newsockfd;
     socklen_t clilen;
     char buffer[256];
     struct sockaddr_in serv_addr, cli_addr;
     int n;
     sockfd = socket(AF_INET, SOCK_STREAM, 0);
     if (sockfd < 0) error("ERROR opening socket");
     bzero((char *) &serv_addr, sizeof(serv_addr));
     serv_addr.sin_family = AF_INET;
     serv_addr.sin_addr.s_addr = INADDR_ANY;
     serv_addr.sin_port = htons(portno);
     if (bind(sockfd, (struct sockaddr *) &serv_addr,
              sizeof(serv_addr)) < 0) error("ERROR on binding");
     listen(sockfd,5);
     __android_log_print(ANDROID_LOG_INFO, "Ballfield", "Opened TCP socket %d port %d", sockfd, portno);
     return 0;
     /*
     clilen = sizeof(cli_addr);
     newsockfd = accept(sockfd, 
                 (struct sockaddr *) &cli_addr,
                 &clilen);
     if (newsockfd < 0)
          error("ERROR on accept");
     bzero(buffer,256);
     n = read(newsockfd,buffer,255);
     if (n < 0) error("ERROR reading from socket");
     printf("Here is the message: %s\n",buffer);
     n = write(newsockfd,"I got your message",18);
     if (n < 0) error("ERROR writing to socket");
     close(newsockfd);
     close(sockfd);
     return 0;
     */
}