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#include "watchconnection.h"
#include "watchdatareader.h"
#include "watchdatawriter.h"
#include "uploadmanager.h"
#include <QDBusConnection>
#include <QDBusReply>
#include <QDebug>
#include <QBluetoothAddress>
#include <QBluetoothLocalDevice>
#include <QBluetoothSocket>
#include <QtEndian>
#include <QDateTime>
WatchConnection::WatchConnection(QObject *parent) :
QObject(parent),
m_socket(nullptr)
{
m_reconnectTimer.setSingleShot(true);
QObject::connect(&m_reconnectTimer, &QTimer::timeout, this, &WatchConnection::reconnect);
m_localDevice = new QBluetoothLocalDevice(this);
connect(m_localDevice, &QBluetoothLocalDevice::hostModeStateChanged, this, &WatchConnection::hostModeStateChanged);
m_uploadManager = new UploadManager(this, this);
}
UploadManager *WatchConnection::uploadManager() const
{
return m_uploadManager;
}
void WatchConnection::scheduleReconnect()
{
if (m_connectionAttempts < 2) {
reconnect();
} else if (m_connectionAttempts < 25) {
qDebug() << "Attempting to reconnect in 10 seconds";
m_reconnectTimer.start(1000 * 10);
} else if (m_connectionAttempts < 35) {
qDebug() << "Attempting to reconnect in 1 minute";
m_reconnectTimer.start(1000 * 60);
} else {
qDebug() << "Attempting to reconnect in 15 minutes";
m_reconnectTimer.start(1000 * 60 * 15);
}
}
void WatchConnection::reconnect()
{
QBluetoothLocalDevice localBtDev;
if (localBtDev.pairingStatus(m_pebbleAddress) == QBluetoothLocalDevice::Unpaired) {
// Try again in one 10 secs, give the user some time to pair it
m_connectionAttempts = 1;
scheduleReconnect();
return;
}
if (m_socket) {
if (m_socket->state() == QBluetoothSocket::ConnectedState) {
qDebug() << "Already connected.";
return;
}
m_socket->deleteLater();
}
m_connectionAttempts++;
m_socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol, this);
connect(m_socket, &QBluetoothSocket::connected, this, &WatchConnection::pebbleConnected);
connect(m_socket, &QBluetoothSocket::readyRead, this, &WatchConnection::readyRead);
connect(m_socket, SIGNAL(error(QBluetoothSocket::SocketError)), this, SLOT(socketError(QBluetoothSocket::SocketError)));
connect(m_socket, &QBluetoothSocket::disconnected, this, &WatchConnection::pebbleDisconnected);
//connect(socket, SIGNAL(bytesWritten(qint64)), SLOT(onBytesWritten(qint64)));
// FIXME: Assuming port 1 (with Pebble)
m_socket->connectToService(m_pebbleAddress, 1);
}
void WatchConnection::connectPebble(const QBluetoothAddress &pebble)
{
m_pebbleAddress = pebble;
m_connectionAttempts = 0;
scheduleReconnect();
}
bool WatchConnection::isConnected()
{
return m_socket && m_socket->state() == QBluetoothSocket::ConnectedState;
}
void WatchConnection::writeToPebble(Endpoint endpoint, const QByteArray &data)
{
if (!m_socket || m_socket->state() != QBluetoothSocket::ConnectedState) {
qWarning() << "Socket not open. Cannot send data to Pebble. (Endpoint:" << endpoint << ")";
return;
}
//qDebug() << "sending message to endpoint" << endpoint;
QByteArray msg;
msg.append((data.length() & 0xFF00) >> 8);
msg.append(data.length() & 0xFF);
msg.append((endpoint & 0xFF00) >> 8);
msg.append(endpoint & 0xFF);
msg.append(data);
//qDebug() << "Writing:" << msg.toHex();
m_socket->write(msg);
}
void WatchConnection::systemMessage(WatchConnection::SystemMessage msg)
{
QByteArray data;
data.append((char)0);
data.append((char)msg);
writeToPebble(EndpointSystemMessage, data);
}
bool WatchConnection::registerEndpointHandler(WatchConnection::Endpoint endpoint, QObject *handler, const QString &method)
{
if (m_endpointHandlers.contains(endpoint)) {
qWarning() << "Already have a handlder for endpoint" << endpoint;
return false;
}
Callback cb;
cb.obj = handler;
cb.method = method;
m_endpointHandlers.insert(endpoint, cb);
return true;
}
void WatchConnection::pebbleConnected()
{
m_connectionAttempts = 0;
emit watchConnected();
}
void WatchConnection::pebbleDisconnected()
{
qDebug() << "Disconnected";
emit watchDisconnected();
QBluetoothSocket *socket = qobject_cast<QBluetoothSocket *>(sender());
if (!socket) return;
socket->deleteLater();
if (!m_reconnectTimer.isActive()) {
scheduleReconnect();
}
}
void WatchConnection::socketError(QBluetoothSocket::SocketError error)
{
Q_UNUSED(error); // We seem to get UnknownError anyways all the time
qDebug() << "SocketError" << error;
emit watchConnectionFailed();
if (!m_reconnectTimer.isActive()) {
scheduleReconnect();
}
}
void WatchConnection::readyRead()
{
// QByteArray data = m_socket->readAll();
// qDebug() << "data from pebble" << data.toHex();
// QByteArray header = data.left(4);
// qDebug() << "header:" << header.toHex();
if (!m_socket) {
return;
}
int headerLength = 4;
uchar header[4];
m_socket->peek(reinterpret_cast<char*>(header), headerLength);
quint16 messageLength = qFromBigEndian<quint16>(&header[0]);
Endpoint endpoint = (Endpoint)qFromBigEndian<quint16>(&header[2]);
if (m_socket->bytesAvailable() < headerLength + messageLength) {
// qDebug() << "not enough data... waiting for more";
return;
}
QByteArray data = m_socket->read(headerLength + messageLength);
// qDebug() << "Have message for endpoint:" << endpoint << "data:" << data.toHex();
data = data.right(data.length() - 4);
if (m_endpointHandlers.contains(endpoint)) {
if (m_endpointHandlers.contains(endpoint)) {
Callback cb = m_endpointHandlers.value(endpoint);
QMetaObject::invokeMethod(cb.obj.data(), cb.method.toLatin1(), Q_ARG(QByteArray, data));
}
} else {
qWarning() << "Have message for unhandled endpoint" << endpoint << data.toHex();
}
if (m_socket->bytesAvailable() > 0) {
readyRead();
}
}
void WatchConnection::hostModeStateChanged(QBluetoothLocalDevice::HostMode state)
{
switch (state) {
case QBluetoothLocalDevice::HostPoweredOff:
qDebug() << "Bluetooth turned off. Stopping any reconnect attempts.";
m_reconnectTimer.stop();
break;
case QBluetoothLocalDevice::HostConnectable:
case QBluetoothLocalDevice::HostDiscoverable:
case QBluetoothLocalDevice::HostDiscoverableLimitedInquiry:
if (m_socket && m_socket->state() != QBluetoothSocket::ConnectedState
&& m_socket->state() != QBluetoothSocket::ConnectingState
&& !m_reconnectTimer.isActive()) {
qDebug() << "Bluetooth now active. Trying to reconnect";
m_connectionAttempts = 0;
scheduleReconnect();
}
}
}
QByteArray WatchConnection::buildData(QStringList data)
{
QByteArray res;
for (QString d : data)
{
QByteArray tmp = d.left(0xEF).toUtf8();
res.append((tmp.length() + 1) & 0xFF);
res.append(tmp);
res.append('\0');
}
return res;
}
QByteArray WatchConnection::buildMessageData(uint lead, QStringList data)
{
QByteArray res;
res.append(lead & 0xFF);
res.append(buildData(data));
return res;
}
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