#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h> 
//#include <arpa/inet.h>

#define MSG_LEN 512

void SendCommand(char str[], int s)
{
	char msg[MSG_LEN];
	int res;

	res = send(s, str, strlen(str), 0);
	if (res <= 0) 
	{
		close(s);
		return;
	}

	memset(msg, 0, MSG_LEN);
		
	res = recv(s, msg, MSG_LEN, 0);
	if (res <= 0) 
	{
		close(s);
	 	return;
	}				
			
	printf("%s\n", msg);
}

int main(void) {

	int s, res;
	struct sockaddr_in taddr;
	char msg[MSG_LEN];

  s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (s < 0) {
    perror("socket");
    return 1;
  }

  memset(&taddr, 0, sizeof(struct sockaddr));

  taddr.sin_family = AF_INET;
  taddr.sin_port  = htons(2000);
  taddr.sin_addr.s_addr = inet_addr("127.0.0.1");

  res = connect(s, (struct sockaddr*)&taddr, sizeof(struct sockaddr));
  if (res < 0) {
    close(s);
    perror("connect");
    return 1;
  }

	memset(msg, 0, MSG_LEN);
		
	res = recv(s, msg, MSG_LEN, 0);
	if (res <= 0) 
	{
		close(s);
	 	return -1;
	}				
			
	printf("%s\n", msg);

	SendCommand("nxt; open",s);
	SendCommand("nxt; open",s);

  close(s);

  return 0;
}