/* typical header files */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

/* used for sockets/internet */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#define SERVER_IP "127.0.0.1"
//#define SERVER_IP "10.0.2.15"

int main(int argc, char* argv[]){
  int server_port = 60001;
  if( argc > 1 ) server_port += atoi(argv[1]);

  int mySocket;
  struct sockaddr_in  addr;
  int i, bytesRcv;

  char inStr[80];
  char buffer[80];

/* create socket */
  mySocket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (mySocket < 0) {
    printf("eek! couldn't open socket\n");
    exit(-1);
  }



/* setup address */
  memset(&addr, 0, sizeof(addr));
  addr.sin_family      = AF_INET;
  addr.sin_port        = htons((unsigned short) server_port);
  addr.sin_addr.s_addr = inet_addr(SERVER_IP);

/* connect to server */

  i = connect(mySocket, 
              (struct sockaddr *) &addr,
              sizeof(addr));
  if (i<0) {
    printf("client could not connect!\n");
    exit(-1);
  }


/* get input from user and send to server */
  while (1) {
    printf("what is your message?  ");
    scanf("%s", inStr);
    //gets(inStr);
    strcpy(buffer, inStr);
    send(mySocket, buffer, strlen(buffer), 0);

    bytesRcv = recv(mySocket, buffer, sizeof(buffer), 0);
    buffer[bytesRcv] = 0;
 	printf("client received %s\n", buffer);


    sleep(1);
    if(strcmp(inStr, "quit") == 0)
      break;
  } 

/* close the socket */

  close(mySocket);

  return 0;
}