/** Launch a new cpuworker. Return 0 if we're happy, -1 if we failed.
*/
static int
spawn_cpuworker(void)
{
tor_socket_t *fdarray;
tor_socket_t fd;
connection_t *conn;
int err;
fdarray = tor_malloc(sizeof(tor_socket_t)*2);
if ((err = tor_socketpair(AF_UNIX, SOCK_STREAM, 0, fdarray)) < 0) {
log_warn(LD_NET, "Couldn't construct socketpair for cpuworker: %s",
tor_socket_strerror(-err));
tor_free(fdarray);
return -1;
}
tor_assert(SOCKET_OK(fdarray[0]));
tor_assert(SOCKET_OK(fdarray[1]));
fd = fdarray[0];
if (spawn_func(cpuworker_main, (void*)fdarray) < 0) {
tor_close_socket(fdarray[0]);
tor_close_socket(fdarray[1]);
tor_free(fdarray);
return -1;
}
log_debug(LD_OR,"just spawned a cpu worker.");
#ifndef TOR_IS_MULTITHREADED
tor_close_socket(fdarray[1]); /* don't need the worker's side of the pipe */
tor_free(fdarray);
#endif
conn = connection_new(CONN_TYPE_CPUWORKER, AF_UNIX);
/* set up conn so it's got all the data we need to remember */
conn->s = fd;
conn->address = tor_strdup("localhost");
tor_addr_make_unspec(&conn->addr);
if (set_socket_nonblocking(fd) == -1) {
connection_free(conn); /* this closes fd */
return -1;
}
if (connection_add(conn) < 0) { /* no space, forget it */
log_warn(LD_NET,"connection_add for cpuworker failed. Giving up.");
connection_free(conn); /* this closes fd */
return -1;
}
conn->state = CPUWORKER_STATE_IDLE;
connection_start_reading(conn);
return 0; /* success */
}
static int
mock_connection_connect_sockaddr(connection_t *conn,
const struct sockaddr *sa,
socklen_t sa_len,
const struct sockaddr *bindaddr,
socklen_t bindaddr_len,
int *socket_error)
{
(void)sa_len;
(void)bindaddr;
(void)bindaddr_len;
tor_assert(conn);
tor_assert(sa);
tor_assert(socket_error);
mock_connection_connect_sockaddr_called++;
conn->s = fake_socket_number++;
tt_assert(SOCKET_OK(conn->s));
/* We really should call tor_libevent_initialize() here. Because we don't,
* we are relying on other parts of the code not checking if the_event_base
* (and therefore event->ev_base) is NULL. */
tt_assert(connection_add_connecting(conn) == 0);
done:
/* Fake "connected" status */
return 1;
}
/** Set up the evdns server port for the UDP socket on <b>conn</b>, which
* must be an AP_DNS_LISTENER */
void
dnsserv_configure_listener(connection_t *conn)
{
listener_connection_t *listener_conn;
tor_assert(conn);
tor_assert(SOCKET_OK(conn->s));
tor_assert(conn->type == CONN_TYPE_AP_DNS_LISTENER);
listener_conn = TO_LISTENER_CONN(conn);
listener_conn->dns_server_port =
tor_evdns_add_server_port(conn->s, 0, evdns_server_callback,
listener_conn);
}