/***
 *
 * Connect to machine "scg.math" at port 8080, send one string at a time
 * to the server, terminate when "quit" is entered.
 *
 **/ 
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <netdb.h>

#define PORTNUM 8080
#define BACKLOG 5
#define BUFLEN 80

#define FNFSTR "404 Error File Not Found "
#define BRSTR "Bad Request "

int main(int argc, char *argv[])
{
  struct sockaddr_in own_addr, party_addr;
  struct hostent *hp;
  int sockfd, newsockfd, filefd;
  int party_len;
  char buf[BUFLEN];
  int len;
  int i;

  /* create socket */
  if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
    printf("can't create socket\n");
    return 0;
  }

  /* bind socket */

  memset(&party_addr, 0, sizeof(party_addr));
  hp = gethostbyname("scg.math.uwaterloo.ca");
  if (!hp) {
    printf("Unknown host\n");
    return 0;
  }
  party_addr.sin_family = AF_INET;
  memcpy(&party_addr.sin_addr.s_addr, hp->h_addr, hp->h_length);
  party_addr.sin_port = htons(PORTNUM);


  /* start requesting for connection */
  if (connect(sockfd, (struct sockaddr *)&party_addr, sizeof(party_addr)) < 0) 
  {
    printf("can't connect socket!");
    return 0;
  }
  
  printf("Enter line:\n");
  while (fgets(buf, BUFLEN, stdin)) {
    if (buf[strlen(buf)-1] == '\n') {
      buf[strlen(buf)-1] = 0;
    }
    len = strlen(buf);
    if (send(sockfd, buf, len, 0) < 0) {
      printf("error writing socket!");
      return 0;
    }

    if (!strcmp(buf,"quit")) {
        printf("Done!\n");
        return 0;
    }
  }	
   
}