static int open_monitor(const char *path)
{
struct sockaddr_hci addr;
int opt = 1;
snoop = btsnoop_create(path, BTSNOOP_TYPE_HCI);
if (!snoop)
return -1;
monitor_fd = socket(AF_BLUETOOTH, SOCK_RAW | SOCK_CLOEXEC, BTPROTO_HCI);
if (monitor_fd < 0)
goto failed;
memset(&addr, 0, sizeof(addr));
addr.hci_family = AF_BLUETOOTH;
addr.hci_dev = HCI_DEV_NONE;
addr.hci_channel = HCI_CHANNEL_MONITOR;
if (bind(monitor_fd, (struct sockaddr *) &addr, sizeof(addr)) < 0)
goto failed_close;
if (setsockopt(monitor_fd, SOL_SOCKET, SO_TIMESTAMP, &opt, sizeof(opt))
< 0)
goto failed_close;
mainloop_add_fd(monitor_fd, EPOLLIN, data_callback, NULL, NULL);
return 0;
failed_close:
close(monitor_fd);
monitor_fd = -1;
failed:
btsnoop_unref(snoop);
snoop = NULL;
return -1;
}
bool control_writer(const char *path)
{
btsnoop_file = btsnoop_create(path, 0, 0, BTSNOOP_FORMAT_MONITOR);
return !!btsnoop_file;
}
