void HciManager::handleHciEventPacket(const quint8 *data, int size)
{
if (size < HCI_EVENT_HDR_SIZE) {
qCWarning(QT_BT_BLUEZ) << "Unexpected HCI event packet size:" << size;
return;
}
hci_event_hdr *header = (hci_event_hdr *) data;
size -= HCI_EVENT_HDR_SIZE;
data += HCI_EVENT_HDR_SIZE;
if (header->plen != size) {
qCWarning(QT_BT_BLUEZ) << "Invalid HCI event packet size";
return;
}
qCDebug(QT_BT_BLUEZ) << "HCI event triggered, type:" << hex << header->evt;
switch (header->evt) {
case EVT_ENCRYPT_CHANGE:
{
const evt_encrypt_change *event = (evt_encrypt_change *) data;
qCDebug(QT_BT_BLUEZ) << "HCI Encrypt change, status:"
<< (event->status == 0 ? "Success" : "Failed")
<< "handle:" << hex << event->handle
<< "encrypt:" << event->encrypt;
QBluetoothAddress remoteDevice = addressForConnectionHandle(event->handle);
if (!remoteDevice.isNull())
emit encryptionChangedEvent(remoteDevice, event->status == 0);
}
break;
case EVT_CMD_COMPLETE: {
auto * const event = reinterpret_cast<const evt_cmd_complete *>(data);
static_assert(sizeof *event == 3, "unexpected struct size");
// There is always a status byte right after the generic structure.
Q_ASSERT(size > static_cast<int>(sizeof *event));
const quint8 status = data[sizeof *event];
const auto additionalData = QByteArray(reinterpret_cast<const char *>(data)
+ sizeof *event + 1, size - sizeof *event - 1);
emit commandCompleted(event->opcode, status, additionalData);
}
break;
case LeMetaEvent:
handleLeMetaEvent(data);
break;
default:
break;
}
}
/*!
* Process all incoming HCI events. Function cannot process anything else but events.
*/
void HciManager::_q_readNotify()
{
unsigned char buffer[HCI_MAX_EVENT_SIZE];
int size;
size = ::read(hciSocket, buffer, sizeof(buffer));
if (size < 0) {
if (errno != EAGAIN && errno != EINTR)
qCWarning(QT_BT_BLUEZ) << "Failed reading HCI events:" << qt_error_string(errno);
return;
}
const unsigned char *data = buffer;
// Not interested in anything but valid HCI events
if ((size < HCI_EVENT_HDR_SIZE + 1) || buffer[0] != HCI_EVENT_PKT)
return;
hci_event_hdr *header = (hci_event_hdr *)(&buffer[1]);
size = size - HCI_EVENT_HDR_SIZE - 1;
data = data + HCI_EVENT_HDR_SIZE + 1;
if (header->plen != size) {
qCWarning(QT_BT_BLUEZ) << "Invalid HCI event packet size";
return;
}
qCDebug(QT_BT_BLUEZ) << "HCI event triggered, type:" << hex << header->evt;
switch (header->evt) {
case EVT_ENCRYPT_CHANGE:
{
const evt_encrypt_change *event = (evt_encrypt_change *) data;
qCDebug(QT_BT_BLUEZ) << "HCI Encrypt change, status:"
<< (event->status == 0 ? "Success" : "Failed")
<< "handle:" << hex << event->handle
<< "encrypt:" << event->encrypt;
QBluetoothAddress remoteDevice = addressForConnectionHandle(event->handle);
if (!remoteDevice.isNull())
emit encryptionChangedEvent(remoteDevice, event->status == 0);
}
break;
default:
break;
}
}
