/* List emulator core processes running on the given machine.
* This routine is called from main() if -list-cores parameter is set in the
* command line.
* Param:
* host Value passed with -list-core parameter. Must be either "localhost", or
* an IP address of a machine where core processes must be enumerated.
*/
static void
list_running_cores(const char* host)
{
Looper* looper;
CoreConsole cores[MAX_CORE_PROCS];
SockAddress address;
int nn, found;
if (sock_address_init_resolve(&address, host, CORE_BASE_PORT, 0) < 0) {
derror("Unable to resolve hostname %s: %s", host, errno_str);
return;
}
looper = looper_newGeneric();
for (nn = 0; nn < MAX_CORE_PROCS; nn++) {
int port = CORE_BASE_PORT + nn*2;
sock_address_set_port(&address, port);
coreconsole_init(&cores[nn], &address, looper);
}
looper_runWithTimeout(looper, CORE_PORT_TIMEOUT_MS*2);
found = 0;
for (nn = 0; nn < MAX_CORE_PROCS; nn++) {
int port = CORE_BASE_PORT + nn*2;
if (cores[nn].ok) {
if (found == 0) {
fprintf(stdout, "Running emulator core processes:\n");
}
fprintf(stdout, "Emulator console port %d\n", port);
found++;
}
coreconsole_done(&cores[nn]);
}
looper_free(looper);
if (found == 0) {
fprintf(stdout, "There were no running emulator core processes found on %s.\n",
host);
}
}
int inet_listen_opts(QemuOpts *opts, int port_offset)
{
SockAddress** list;
SockAddress* e;
unsigned flags = SOCKET_LIST_PASSIVE;
const char *addr;
char port[33];
char uaddr[256+1];
char uport[33];
int slisten,to,try_next,nn;
#ifdef CONFIG_ANDROID
const char* socket_fd = qemu_opt_get(opts, "socket");
if (socket_fd) {
return atoi(socket_fd);
}
#endif
if ((qemu_opt_get(opts, "host") == NULL) ||
(qemu_opt_get(opts, "port") == NULL)) {
fprintf(stderr, "%s: host and/or port not specified\n", __FUNCTION__);
return -1;
}
pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port"));
addr = qemu_opt_get(opts, "host");
to = qemu_opt_get_number(opts, "to", 0);
if (qemu_opt_get_bool(opts, "ipv4", 0))
flags |= SOCKET_LIST_FORCE_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
flags |= SOCKET_LIST_FORCE_IN6;
/* lookup */
if (port_offset)
snprintf(port, sizeof(port), "%d", atoi(port) + port_offset);
list = sock_address_list_create( strlen(addr) ? addr : NULL,
port,
flags );
if (list == NULL) {
fprintf(stderr,"%s: getaddrinfo(%s,%s): %s\n", __FUNCTION__,
addr, port, errno_str);
return -1;
}
/* create socket + bind */
for (nn = 0; list[nn] != NULL; nn++) {
SocketFamily family;
e = list[nn];
family = sock_address_get_family(e);
sock_address_get_numeric_info(e, uaddr, sizeof uaddr, uport, sizeof uport);
slisten = socket_create(family, SOCKET_STREAM);
if (slisten < 0) {
fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
sock_address_strfamily(e), errno_str);
continue;
}
socket_set_xreuseaddr(slisten);
#ifdef IPV6_V6ONLY
/* listen on both ipv4 and ipv6 */
if (family == SOCKET_IN6) {
socket_set_ipv6only(slisten);
}
#endif
for (;;) {
if (socket_bind(slisten, e) == 0) {
if (sockets_debug)
fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__,
sock_address_strfamily(e), uaddr, sock_address_get_port(e));
goto listen;
}
socket_close(slisten);
try_next = to && (sock_address_get_port(e) <= to + port_offset);
if (!try_next || sockets_debug)
fprintf(stderr,"%s: bind(%s,%s,%d): %s\n", __FUNCTION__,
sock_address_strfamily(e), uaddr, sock_address_get_port(e),
strerror(errno));
if (try_next) {
sock_address_set_port(e, sock_address_get_port(e) + 1);
continue;
}
break;
}
}
sock_address_list_free(list);
fprintf(stderr, "%s: FAILED\n", __FUNCTION__);
return -1;
listen:
if (socket_listen(slisten,1) != 0) {
perror("listen");
socket_close(slisten);
return -1;
}
snprintf(uport, sizeof(uport), "%d", sock_address_get_port(e) - port_offset);
qemu_opt_set(opts, "host", uaddr);
qemu_opt_set(opts, "port", uport);
qemu_opt_set(opts, "ipv6", (e->family == SOCKET_IN6) ? "on" : "off");
qemu_opt_set(opts, "ipv4", (e->family != SOCKET_IN6) ? "on" : "off");
sock_address_list_free(list);
return slisten;
}