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#include <string.h>
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include "mctypes.h"
#include "mcnetwork.h"
int main(int argc, char *argv[])
{
char *port_s, *address;
unsigned short port;
size_t json_size;
int protocol_ver;
int p_flag = 0;
if (argc == 1) {
printf
("Usage: mcping ADDRESS[:PORT]\nPings a Minecraft server using the PING protocol.\n\n -h\t\t\tdisplay this help and exit\n -p PROTOCOL NUMBER\tUses specified protocol number.\n");
exit(EXIT_SUCCESS);
}
int opt;
while ((opt = getopt(argc, argv, "hp:")) != -1) {
switch (opt) {
case 'h':
exit(EXIT_SUCCESS);
case 'p':
protocol_ver = atoi(optarg);
p_flag = 1;
break;
default:
break;
}
}
address = argv[1];
if ((port_s = strchr(address, ':')) != NULL) {
address[strlen(address) - strlen(port_s)] = '\0';
port_s++;
} else
port_s = "25565";
if (p_flag == 0) {
protocol_ver = 756;
}
port = atoi(port_s);
int s;
if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0)
perror("bad socket\n");
connect_mc_server(s, address, port);
send_handshake(s, protocol_ver, address, port, 1);
send_packet(s, 0x0, 0, NULL); // request packet (0x0 with no fields)
// json_size = from_varint(recv_varint(s));
// printf("%lu\n", json_size);
close(s);
return 0;
}
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