void avctp_shutdown(struct avctp *session)
{
if (!session)
return;
if (session->browsing)
avctp_channel_destroy(session->browsing);
if (session->control)
avctp_channel_destroy(session->control);
if (session->destroy)
session->destroy(session->data);
g_free(session->handler);
if (session->key.timer > 0)
g_source_remove(session->key.timer);
if (session->uinput >= 0) {
DBG("AVCTP: closing uinput");
ioctl(session->uinput, UI_DEV_DESTROY);
close(session->uinput);
session->uinput = -1;
}
g_free(session);
}
static void avctp_connect_browsing_cb(GIOChannel *chan, GError *err,
gpointer data)
{
struct avctp *session = data;
struct avctp_channel *browsing = session->browsing;
struct avctp_queue *queue;
char address[18];
uint16_t imtu, omtu;
GError *gerr = NULL;
if (err) {
error("Browsing: %s", err->message);
goto fail;
}
bt_io_get(chan, &gerr,
BT_IO_OPT_DEST, &address,
BT_IO_OPT_IMTU, &imtu,
BT_IO_OPT_OMTU, &omtu,
BT_IO_OPT_INVALID);
if (gerr) {
error("%s", gerr->message);
g_io_channel_shutdown(chan, TRUE, NULL);
g_io_channel_unref(chan);
g_error_free(gerr);
goto fail;
}
DBG("AVCTP Browsing: connected to %s", address);
if (browsing == NULL) {
browsing = avctp_channel_create(session, chan, 1,
avctp_destroy_browsing);
session->browsing = browsing;
}
browsing->imtu = imtu;
browsing->omtu = omtu;
browsing->buffer = g_malloc0(MAX(imtu, omtu));
browsing->watch = g_io_add_watch(session->browsing->io,
G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
(GIOFunc) session_browsing_cb, session);
avctp_set_state(session, AVCTP_STATE_BROWSING_CONNECTED, 0);
/* Process any request that was pending the connection to complete */
queue = g_slist_nth_data(browsing->queues, 0);
if (queue->process_id == 0 && !g_queue_is_empty(queue->queue))
queue->process_id = g_idle_add(process_queue, queue);
return;
fail:
avctp_set_state(session, AVCTP_STATE_CONNECTED, 0);
if (session->browsing) {
avctp_channel_destroy(session->browsing);
session->browsing = NULL;
}
}
static void avctp_disconnected(struct avctp *session)
{
struct avctp_server *server;
if (!session)
return;
if (session->browsing)
avctp_channel_destroy(session->browsing);
if (session->control)
avctp_channel_destroy(session->control);
if (session->auth_id != 0) {
btd_cancel_authorization(session->auth_id);
session->auth_id = 0;
}
if (session->key != NULL) {
if (session->key->timer > 0)
g_source_remove(session->key->timer);
g_free(session->key);
}
if (session->uinput >= 0) {
char address[18];
ba2str(device_get_address(session->device), address);
DBG("AVCTP: closing uinput for %s", address);
ioctl(session->uinput, UI_DEV_DESTROY);
close(session->uinput);
session->uinput = -1;
}
server = session->server;
server->sessions = g_slist_remove(server->sessions, session);
btd_device_unref(session->device);
g_free(session);
}
static void avctp_connect_browsing_cb(GIOChannel *chan, GError *err,
gpointer data)
{
struct avctp *session = data;
char address[18];
uint16_t imtu, omtu;
GError *gerr = NULL;
if (err) {
error("Browsing: %s", err->message);
goto fail;
}
bt_io_get(chan, &gerr,
BT_IO_OPT_DEST, &address,
BT_IO_OPT_IMTU, &imtu,
BT_IO_OPT_OMTU, &omtu,
BT_IO_OPT_INVALID);
if (gerr) {
error("%s", gerr->message);
g_io_channel_shutdown(chan, TRUE, NULL);
g_io_channel_unref(chan);
g_error_free(gerr);
goto fail;
}
DBG("AVCTP Browsing: connected to %s", address);
if (session->browsing == NULL)
session->browsing = avctp_channel_create(session, chan,
avctp_destroy_browsing);
session->browsing->imtu = imtu;
session->browsing->omtu = omtu;
session->browsing->buffer = g_malloc0(MAX(imtu, omtu));
session->browsing->watch = g_io_add_watch(session->browsing->io,
G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
(GIOFunc) session_browsing_cb, session);
avctp_set_state(session, AVCTP_STATE_BROWSING_CONNECTED);
return;
fail:
avctp_set_state(session, AVCTP_STATE_CONNECTED);
if (session->browsing) {
avctp_channel_destroy(session->browsing);
session->browsing = NULL;
}
}
static gboolean session_browsing_cb(GIOChannel *chan, GIOCondition cond,
gpointer data)
{
struct avctp *session = data;
struct avctp_channel *browsing = session->browsing;
uint8_t *buf = browsing->buffer;
uint8_t *operands;
struct avctp_header *avctp;
int sock, ret, packet_size, operand_count;
struct avctp_browsing_pdu_handler *handler;
if (cond & (G_IO_ERR | G_IO_HUP | G_IO_NVAL))
goto failed;
sock = g_io_channel_unix_get_fd(chan);
ret = read(sock, buf, browsing->imtu);
if (ret <= 0)
goto failed;
avctp = (struct avctp_header *) buf;
if (avctp->packet_type != AVCTP_PACKET_SINGLE)
goto failed;
operands = buf + AVCTP_HEADER_LENGTH;
ret -= AVCTP_HEADER_LENGTH;
operand_count = ret;
if (avctp->cr == AVCTP_RESPONSE) {
browsing_response(browsing, avctp, operands, operand_count);
return TRUE;
}
packet_size = AVCTP_HEADER_LENGTH;
avctp->cr = AVCTP_RESPONSE;
handler = g_slist_nth_data(browsing->handlers, 0);
if (handler == NULL) {
DBG("handler not found");
packet_size += avrcp_browsing_general_reject(operands);
goto send;
}
packet_size += handler->cb(session, avctp->transaction,
operands, operand_count,
handler->user_data);
send:
if (packet_size != 0) {
ret = write(sock, buf, packet_size);
if (ret != packet_size)
goto failed;
}
return TRUE;
failed:
DBG("AVCTP Browsing: disconnected");
avctp_set_state(session, AVCTP_STATE_CONNECTED);
if (session->browsing) {
avctp_channel_destroy(session->browsing);
session->browsing = NULL;
}
return FALSE;
}
