void
moved_client_destroy(moved_client *client)
{
psmove_port_close_socket(client->socket);
free(client);
}
static moved_client_list *
moved_client_list_discover(moved_client_list *result)
{
int fd = (int)socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (fd == -1) {
return nullptr;
}
psmove_port_set_socket_timeout_ms(fd, 10);
int enabled = 1;
setsockopt(fd, SOL_SOCKET, SO_BROADCAST, (const char *)&enabled, sizeof(enabled));
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(MOVED_UDP_PORT);
addr.sin_addr.s_addr = INADDR_BROADCAST;
union PSMoveMovedRequest request;
union PSMoveMovedRequest response;
memset(&request, 0, sizeof(request));
request.header.request_sequence = 0x47110000;
request.header.command_id = MOVED_REQ_DISCOVER;
request.header.controller_id = 0;
for (int i=0; i<5; i++) {
request.header.request_sequence++;
int res = sendto(fd, (const char *)&request, sizeof(request),
/*flags=*/0, (struct sockaddr *)&addr, sizeof(addr));
if (res == -1) {
psmove_WARNING("Could not send discovery request");
}
psmove_port_sleep_ms(20);
}
psmove_port_sleep_ms(50);
std::map<std::string, bool> discovered;
int failures = 0;
while (failures < 10) {
struct sockaddr_in addr_server;
socklen_t addr_server_len = sizeof(addr_server);
memset(&addr_server, 0, sizeof(addr_server));
addr_server.sin_family = AF_INET;
int res = recvfrom(fd, (char *)&response, sizeof(response), /*flags=*/0,
(struct sockaddr *)&addr_server, &addr_server_len);
if (res == sizeof(response)) {
char temp[1024];
inet_ntop(addr.sin_family, &addr_server.sin_addr, temp, sizeof(temp));
std::string hostname(temp);
discovered[hostname] = true;
psmove_DEBUG("Discovered daemon: '%s' (seq=0x%08x)\n", temp, response.header.request_sequence);
failures = 0;
} else {
failures++;
}
}
psmove_port_close_socket(fd);
for (auto it: discovered) {
const char *hostname = it.first.c_str();
printf("Using remote host '%s' (from auto-discovery)\n", hostname);
moved_client *client = moved_client_create(hostname);
result = moved_client_list_insert(result, client);
if (moved_client_send(client, MOVED_REQ_GET_HOST_BTADDR, 0, nullptr, 0)) {
char *serial = _psmove_btaddr_to_string(*((PSMove_Data_BTAddr *)client->response_buf.get_host_btaddr.btaddr));
printf("Bluetooth host address of '%s' is '%s'\n", hostname, serial);
free(serial);
}
}
return result;
}
moved_server::~moved_server()
{
psmove_port_close_socket(socket);
}
