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#include <unistd.h>
#include "shared/utils.h"
#include "minecctl.h"
#include "server.h"
#include "mc-commands.h"
#include "misc.h"
#include "shared/mc-protocol.h"
bool do_mc_pcount(struct cfg *cfg, unsigned *online, unsigned *max)
{
struct server *server;
struct saddr *saddr;
char buf[4096];
size_t plen, off;
ssize_t r;
bool rv = false;
int fd;
server = server_get_default(cfg);
fd = connect_any(&server->scfg.remotes, true);
if (fd < 0) {
error("%s: unable to connect", server->name);
return false;
}
/* FIXME: connect_any needs to indicate the address it used */
saddr = list_first_entry(&server->scfg.remotes, struct saddr, list);
if (!saddr) {
error("No saddr");
goto out;
}
if (!mc_protocol_create_status_request(buf, sizeof(buf), &plen,
saddr)) {
error("Failed to create req");
goto out;
}
/* FIXME: do proper checks for EINTR etc */
off = 0;
while (off < plen) {
r = write(fd, buf + off, plen - off);
if (r <= 0) {
error("write failed: %zi (%m)", r);
goto out;
}
off += r;
}
off = 0;
while (off < sizeof(buf)) {
r = read(fd, buf + off, sizeof(buf) - off);
if (r <= 0) {
error("Read failed %zi: %m", r);
goto out;
}
off += r;
if (mc_is_handshake_complete(buf, off)) {
rv = true;
break;
}
}
if (!mc_protocol_parse_status_reply(buf, off, online, max)) {
error("Failed to get player count");
return false;
}
out:
close(fd);
return rv;
}
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