void MediaDownload::startRequest(unsigned position, unsigned size)
{
Q_ASSERT(m_url.isValid());
if (m_task)
{
m_task->abortLater();
m_task->deleteLater();
}
m_task = new MediaDownloadTask;
m_task->moveToThread(m_thread);
connect(m_task, SIGNAL(requestReady(uint)), SLOT(requestReady(uint)),
Qt::DirectConnection);
connect(m_task, SIGNAL(dataRead(QByteArray,uint)), SLOT(incomingData(QByteArray,uint)),
Qt::DirectConnection);
connect(m_task, SIGNAL(finished()), SLOT(taskFinished()), Qt::DirectConnection);
connect(m_task, SIGNAL(error(QString)), SLOT(taskError(QString)), Qt::DirectConnection);
/* If size will reach the end of what we believe the file size to be, make it infinite instead,
* to ease behavior with still active files */
if (position + size >= m_fileSize)
size = 0;
bool ok = m_task->metaObject()->invokeMethod(m_task, "start", Q_ARG(QUrl, m_url),
Q_ARG(QList<QNetworkCookie>, m_cookies),
Q_ARG(unsigned, position),
Q_ARG(unsigned, size));
Q_ASSERT(ok);
Q_UNUSED(ok);
}
int HidController::close() {
if (!isOpen()) {
qDebug() << "HID device" << getName() << "already closed";
return -1;
}
qDebug() << "Shutting down HID device" << getName();
// Stop the reading thread
if (m_pReader == NULL) {
qWarning() << "HidReader not present for" << getName()
<< "yet the device is open!";
} else {
disconnect(m_pReader, SIGNAL(incomingData(QByteArray)),
this, SLOT(receive(QByteArray)));
m_pReader->stop();
hid_set_nonblocking(m_pHidDevice, 1); // Quit blocking
if (debugging()) qDebug() << " Waiting on reader to finish";
m_pReader->wait();
delete m_pReader;
m_pReader = NULL;
}
// Stop controller engine here to ensure it's done before the device is closed
// incase it has any final parting messages
stopEngine();
// Close device
if (debugging()) {
qDebug() << " Closing device";
}
hid_close(m_pHidDevice);
setOpen(false);
return 0;
}
void GroupSocket::onReadInternal(const char c)
{
switch (state) {
case GroupMessageState::MESSAGE_LENGTH:
if (c == ' ' && currentMessageLen > 0) {
// Terminating space received
state = GroupMessageState::MESSAGE_PAYLOAD;
} else if (c >= '0' && c <= '9') {
// Digit received
currentMessageLen *= 10;
currentMessageLen += static_cast<unsigned int>(c - '0');
} else {
// Reset due to garbage
currentMessageLen = 0;
}
break;
case GroupMessageState::MESSAGE_PAYLOAD:
buffer.append(c);
if (static_cast<unsigned int>(buffer.size()) == currentMessageLen) {
// Cut message from buffer
if (DEBUG)
qDebug() << "Incoming message:" << buffer;
emit incomingData(this, buffer);
// Reset state machine
buffer.clear();
currentMessageLen = 0;
state = GroupMessageState::MESSAGE_LENGTH;
}
break;
}
}
void BulkReader::run() {
m_stop = 0;
unsigned char data[255];
while (load_atomic(m_stop) == 0) {
// Blocked polling: The only problem with this is that we can't close
// the device until the block is released, which means the controller
// has to send more data
//result = hid_read_timeout(m_pHidDevice, data, 255, -1);
// This relieves that at the cost of higher CPU usage since we only
// block for a short while (500ms)
int transferred;
int result;
result = libusb_bulk_transfer(m_phandle,
m_in_epaddr,
data, sizeof(data),
&transferred, 500);
Trace timeout("BulkReader timeout");
if (result >= 0) {
Trace process("BulkReader process packet");
//qDebug() << "Read" << result << "bytes, pointer:" << data;
QByteArray outData((char*)data, transferred);
emit(incomingData(outData, Time::elapsed()));
}
}
qDebug() << "Stopped Reader";
}
int BulkController::close() {
if (!isOpen()) {
qDebug() << " device" << getName() << "already closed";
return -1;
}
qDebug() << "Shutting down USB Bulk device" << getName();
// Stop the reading thread
if (m_pReader == NULL) {
qWarning() << "BulkReader not present for" << getName()
<< "yet the device is open!";
} else {
disconnect(m_pReader, SIGNAL(incomingData(QByteArray, mixxx::Duration)),
this, SLOT(receive(QByteArray, mixxx::Duration)));
m_pReader->stop();
controllerDebug(" Waiting on reader to finish");
m_pReader->wait();
delete m_pReader;
m_pReader = NULL;
}
// Stop controller engine here to ensure it's done before the device is
// closed incase it has any final parting messages
stopEngine();
// Close device
controllerDebug(" Closing device");
libusb_close(m_phandle);
m_phandle = NULL;
setOpen(false);
return 0;
}
int HidController::open() {
if (isOpen()) {
qDebug() << "HID device" << getName() << "already open";
return -1;
}
// Open device by path
if (debugging()) {
qDebug() << "Opening HID device"
<< getName() << "by HID path" << hid_path;
}
m_pHidDevice = hid_open_path(hid_path);
// If that fails, try to open device with vendor/product/serial #
if (m_pHidDevice == NULL) {
if (debugging())
qDebug() << "Failed. Trying to open with make, model & serial no:"
<< hid_vendor_id << hid_product_id << hid_serial;
m_pHidDevice = hid_open(hid_vendor_id, hid_product_id, hid_serial_raw);
}
// If it does fail, try without serial number WARNING: This will only open
// one of multiple identical devices
if (m_pHidDevice == NULL) {
qWarning() << "Unable to open specific HID device" << getName()
<< "Trying now with just make and model."
<< "(This may only open the first of multiple identical devices.)";
m_pHidDevice = hid_open(hid_vendor_id, hid_product_id, NULL);
}
// If that fails, we give up!
if (m_pHidDevice == NULL) {
qWarning() << "Unable to open HID device" << getName();
return -1;
}
setOpen(true);
startEngine();
if (m_pReader != NULL) {
qWarning() << "HidReader already present for" << getName();
} else {
m_pReader = new HidReader(m_pHidDevice);
m_pReader->setObjectName(QString("HidReader %1").arg(getName()));
connect(m_pReader, SIGNAL(incomingData(QByteArray)),
this, SLOT(receive(QByteArray)));
// Controller input needs to be prioritized since it can affect the
// audio directly, like when scratching
m_pReader->start(QThread::HighPriority);
}
return 0;
}
void BFScout::open()
{
if (mOpened)
close();
mpSocket = new QUdpSocket(this);
mpSocket->bind(ANNOUNCE_PORT);
connect(mpSocket, SIGNAL(readyRead()), SLOT(incomingData()));
mOpened = true;
}
int BulkController::open() {
if (isOpen()) {
qDebug() << "USB Bulk device" << getName() << "already open";
return -1;
}
/* Look up endpoint addresses in supported database */
int i;
for (i = 0; bulk_supported[i].vendor_id; ++i) {
if ((bulk_supported[i].vendor_id == vendor_id) &&
(bulk_supported[i].product_id == product_id)) {
in_epaddr = bulk_supported[i].in_epaddr;
out_epaddr = bulk_supported[i].out_epaddr;
break;
}
}
if (bulk_supported[i].vendor_id == 0) {
qWarning() << "USB Bulk device" << getName() << "unsupported";
return -1;
}
// XXX: we should enumerate devices and match vendor, product, and serial
if (m_phandle == NULL) {
m_phandle = libusb_open_device_with_vid_pid(
m_context, vendor_id, product_id);
}
if (m_phandle == NULL) {
qWarning() << "Unable to open USB Bulk device" << getName();
return -1;
}
setOpen(true);
startEngine();
if (m_pReader != NULL) {
qWarning() << "BulkReader already present for" << getName();
} else {
m_pReader = new BulkReader(m_phandle, in_epaddr);
m_pReader->setObjectName(QString("BulkReader %1").arg(getName()));
connect(m_pReader, SIGNAL(incomingData(QByteArray, mixxx::Duration)),
this, SLOT(receive(QByteArray, mixxx::Duration)));
// Controller input needs to be prioritized since it can affect the
// audio directly, like when scratching
m_pReader->start(QThread::HighPriority);
}
return 0;
}
ClientStream::ClientStream(Connector *conn, QObject *parent)
:Stream(parent), d(new Private())
{
kdDebug(YAHOO_RAW_DEBUG) ;
d->mode = Client;
d->conn = conn;
connect( d->conn, SIGNAL(connected()), SLOT(cr_connected()) );
connect( d->conn, SIGNAL(error()), SLOT(cr_error()) );
connect( &d->client, SIGNAL( outgoingData( const QByteArray& ) ), SLOT ( cp_outgoingData( const QByteArray & ) ) );
connect( &d->client, SIGNAL( incomingData() ), SLOT ( cp_incomingData() ) );
d->noop_time = 0;
connect(&d->noopTimer, SIGNAL(timeout()), SLOT(doNoop()));
}
ClientStream::ClientStream(Connector *conn, QObject *parent)
:Stream(parent)
{
//qDebug("CLIENTSTREAM::ClientStream");
d = new Private;
d->mode = ClientMode;
d->conn = conn;
connect( d->conn, SIGNAL(connected()), SLOT(cr_connected()) );
connect( d->conn, SIGNAL(error()), SLOT(cr_error()) );
connect( &d->client, SIGNAL( outgoingData( const QByteArray& ) ), SLOT ( cp_outgoingData( const QByteArray & ) ) );
connect( &d->client, SIGNAL( incomingData() ), SLOT ( cp_incomingData() ) );
d->noop_time = 0;
connect(&d->noopTimer, SIGNAL(timeout()), SLOT(doNoop()));
}
void HidReader::run() {
m_stop = 0;
unsigned char *data = new unsigned char[255];
while (m_stop == 0) {
// Blocked polling: The only problem with this is that we can't close
// the device until the block is released, which means the controller
// has to send more data
//result = hid_read_timeout(m_pHidDevice, data, 255, -1);
// This relieves that at the cost of higher CPU usage since we only
// block for a short while (500ms)
int result = hid_read_timeout(m_pHidDevice, data, 255, 500);
if (result > 0) {
//qDebug() << "Read" << result << "bytes, pointer:" << data;
QByteArray outData(reinterpret_cast<char*>(data), result);
emit(incomingData(outData));
}
}
delete [] data;
}
ClientStream::ClientStream( QSslSocket *socket, QObject *parent )
: Stream( parent ), d(new Private())
{
d->socket = socket;
connect( d->socket, SIGNAL(connected()), SLOT(socketConnected()) );
connect( d->socket, SIGNAL(error(QAbstractSocket::SocketError)), SLOT(socketError(QAbstractSocket::SocketError)) );
connect(d->socket, SIGNAL(disconnected()), SLOT(socketDisconnected()));
connect(d->socket, SIGNAL(readyRead()), SLOT(socketReadyRead()));
connect(d->socket, SIGNAL(bytesWritten(qint64)), SLOT(socketBytesWritten(qint64)));
connect( &d->client, SIGNAL(outgoingData(QByteArray)),
SLOT (cp_outgoingData(QByteArray)) );
connect( &d->client, SIGNAL(incomingData()),
SLOT (cp_incomingData()) );
d->noop_time = 0;
connect(&d->noopTimer, SIGNAL(timeout()), SLOT(doNoop()));
}
ServerTester::ServerTester(QWidget *parent):
QWidget(parent),
m_connected(0)
{
this->setWindowTitle("KBang Server Tester");
mp_lineEditAddress = new QLineEdit;
mp_lineEditAddress->setText("127.0.0.1");
mp_lineEditAddress->setMaxLength(15);
mp_lineEditAddress->setInputMask("009.009.009.009; ");
mp_lineEditAddress->setMaximumWidth(100);
mp_lineEditPort = new QLineEdit;
mp_lineEditPort->setText("6543");
mp_lineEditPort->setMaxLength(6);
mp_lineEditPort->setMaximumWidth(40);
QValidator *portValidator = new QIntValidator(1, 65535, this);
mp_lineEditPort->setValidator(portValidator);
mp_pushButtonConnect = new QPushButton;
mp_pushButtonConnect->setText("Connect");
mp_pushButtonConnect->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
mp_layoutButtons = new QGridLayout;
mp_layoutConnect = new QHBoxLayout;
mp_layoutConnect->addWidget(mp_lineEditAddress);
mp_layoutConnect->addWidget(mp_lineEditPort);
mp_layoutConnect->addWidget(mp_pushButtonConnect);
mp_textEditViewXml = new QTextEdit;
mp_textEditViewXml->setReadOnly(1);
mp_textEditViewXml->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
mp_textEditInputXml = new QTextEdit;
mp_textEditInputXml->setMaximumHeight(100);
mp_pushButtonSendXml = new QPushButton;
mp_pushButtonSendXml->setText("Send");
mp_pushButtonSendXml->setEnabled(0);
mp_layoutXmlInput = new QHBoxLayout;
mp_layoutXmlInput->addWidget(mp_textEditInputXml);
mp_layoutXmlInput->addWidget(mp_pushButtonSendXml);
mp_layoutLeftSide = new QVBoxLayout;
mp_layoutLeftSide->addWidget(mp_textEditViewXml);
mp_layoutLeftSide->addLayout(mp_layoutXmlInput);
mp_layoutRightSide = new QVBoxLayout;
mp_layoutRightSide->addLayout(mp_layoutConnect);
mp_layoutRightSide->addLayout(mp_layoutButtons);
mp_layoutRightSide->addStretch();
mp_layoutRightSide->setSizeConstraint(QLayout::SetFixedSize);
//mp_layoutRightSide
mp_layoutMain = new QHBoxLayout;
mp_layoutMain->addLayout(mp_layoutLeftSide);
mp_layoutMain->addLayout(mp_layoutRightSide);
//mp_layoutMain->setStretchFactor(mp_layoutLeftSide, 30);
//mp_layoutMain->setStretchFactor(mp_layoutRightSide, 10);
setLayout(mp_layoutMain);
show();
QObject::connect(mp_pushButtonConnect, SIGNAL(clicked()),
this, SLOT(connectClicked()));
QObject::connect(mp_pushButtonSendXml, SIGNAL(clicked()),
this, SLOT(sendClicked()));
QObject::connect(&m_tcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(tcpSocketError()));
QObject::connect(&m_tcpSocket, SIGNAL(readyRead()),
this, SLOT(incomingData()));
QObject::connect(&m_tcpSocket, SIGNAL(connected()),
this, SLOT(connected()));
QObject::connect(&m_tcpSocket, SIGNAL(disconnected()),
this, SLOT(disconnected()));
initButtons();
}
bool Hub::step(const int timeout)
{
bool firstPoll = true;
bool wasActivity = false;
bool runInterrupted = false;
pthread_mutex_lock((pthread_mutex_t*)streamsLock);
do
{
wasActivity = false;
size_t streamsCount = streams.size();
valarray<struct pollfd> pollFdsArray(streamsCount+1);
valarray<SelectableStream*> streamsArray(streamsCount);
// add streams
size_t i = 0;
for (StreamsSet::iterator it = streams.begin(); it != streams.end(); ++it)
{
SelectableStream* stream = polymorphic_downcast<SelectableStream*>(*it);
streamsArray[i] = stream;
pollFdsArray[i].fd = stream->fd;
pollFdsArray[i].events = 0;
if ((!stream->failed()) && (!stream->writeOnly))
pollFdsArray[i].events |= stream->pollEvent;
i++;
}
// add pipe
int *terminationPipes = (int*)hTerminate;
pollFdsArray[i].fd = terminationPipes[0];
pollFdsArray[i].events = POLLIN;
// do poll and check for error
int thisPollTimeout = firstPoll ? timeout : 0;
firstPoll = false;
pthread_mutex_unlock((pthread_mutex_t*)streamsLock);
#ifndef USE_POLL_EMU
int ret = poll(&pollFdsArray[0], pollFdsArray.size(), thisPollTimeout);
#else
int ret = poll_emu(&pollFdsArray[0], pollFdsArray.size(), thisPollTimeout);
#endif
if (ret < 0)
throw DashelException(DashelException::SyncError, errno, "Error during poll.");
pthread_mutex_lock((pthread_mutex_t*)streamsLock);
// check streams for errors
for (i = 0; i < streamsCount; i++)
{
SelectableStream* stream = streamsArray[i];
// make sure we do not try to handle removed streams
if (streams.find(stream) == streams.end())
continue;
assert((pollFdsArray[i].revents & POLLNVAL) == 0);
if (pollFdsArray[i].revents & POLLERR)
{
//std::cerr << "POLLERR" << std::endl;
wasActivity = true;
try
{
stream->fail(DashelException::SyncError, 0, "Error on stream during poll.");
}
catch (DashelException e)
{
assert(e.stream);
}
try
{
connectionClosed(stream, true);
}
catch (DashelException e)
{
assert(e.stream);
}
closeStream(stream);
}
else if (pollFdsArray[i].revents & POLLHUP)
{
//std::cerr << "POLLHUP" << std::endl;
wasActivity = true;
try
{
connectionClosed(stream, false);
}
catch (DashelException e)
{
assert(e.stream);
}
closeStream(stream);
}
else if (pollFdsArray[i].revents & stream->pollEvent)
{
//std::cerr << "POLLIN" << std::endl;
wasActivity = true;
// test if listen stream
SocketServerStream* serverStream = dynamic_cast<SocketServerStream*>(stream);
if (serverStream)
{
// accept connection
struct sockaddr_in targetAddr;
socklen_t l = sizeof (targetAddr);
int targetFD = accept (stream->fd, (struct sockaddr *)&targetAddr, &l);
if (targetFD < 0)
{
pthread_mutex_unlock((pthread_mutex_t*)streamsLock);
throw DashelException(DashelException::SyncError, errno, "Cannot accept new stream.");
}
// create a target stream using the new file descriptor from accept
ostringstream targetName;
targetName << IPV4Address(ntohl(targetAddr.sin_addr.s_addr), ntohs(targetAddr.sin_port)).format(resolveIncomingNames);
targetName << ";connectionPort=";
targetName << atoi(serverStream->getTargetParameter("port").c_str());
targetName << ";sock=";
targetName << targetFD;
connect(targetName.str());
}
else
{
bool streamClosed = false;
try
{
if (stream->receiveDataAndCheckDisconnection())
{
//std::cerr << "connection closed" << std::endl;
connectionClosed(stream, false);
streamClosed = true;
}
else
{
// read all data available on this socket
while (stream->isDataInRecvBuffer())
incomingData(stream);
//std::cerr << "incoming data" << std::endl;
}
}
catch (DashelException e)
{
//std::cerr << "exception on POLLIN" << std::endl;
assert(e.stream);
}
if (streamClosed)
closeStream(stream);
}
}
}
// check pipe for termination
if (pollFdsArray[i].revents)
{
char c;
const ssize_t ret = read(pollFdsArray[i].fd, &c, 1);
if (ret != 1)
abort(); // poll did notify us that there was something to read, but we did not read anything, this is a bug
runInterrupted = true;
}
// collect and remove all failed streams
vector<Stream*> failedStreams;
for (StreamsSet::iterator it = streams.begin(); it != streams.end();++it)
if ((*it)->failed())
failedStreams.push_back(*it);
for (size_t i = 0; i < failedStreams.size(); i++)
{
Stream* stream = failedStreams[i];
if (streams.find(stream) == streams.end())
continue;
if (stream->failed())
{
try
{
connectionClosed(stream, true);
}
catch (DashelException e)
{
assert(e.stream);
}
closeStream(stream);
}
}
}
while (wasActivity && !runInterrupted);
pthread_mutex_unlock((pthread_mutex_t*)streamsLock);
return !runInterrupted;
}
int CoreProtocol::wireToTransfer( const QByteArray& wire )
{
kDebug(YAHOO_RAW_DEBUG) ;
// processing incoming data and reassembling it into transfers
// may be an event or a response
uint bytesParsed = 0;
if ( wire.size() < 20 ) // minimal value of a YMSG header
{
m_state = NeedMore;
return bytesParsed;
}
QByteArray tempWire = wire;
QDataStream din( &tempWire, QIODevice::ReadOnly );
// look at first four bytes and decide what to do with the chunk
if ( okToProceed( din ) )
{
if ( (wire[0] == 'Y') && (wire[1] == 'M') && (wire[2] == 'S') && (wire[3] == 'G'))
{
// kDebug(YAHOO_RAW_DEBUG) << " - looks like a valid YMSG packet";
YMSGTransfer *t = static_cast<YMSGTransfer *>(m_YMSGProtocol->parse( wire, bytesParsed ));
// kDebug(YAHOO_RAW_DEBUG) << " - YMSG Protocol parsed " << bytesParsed << " bytes";
if ( t )
{
if( wire.size() < t->packetLength() )
{
m_state = NeedMore;
delete t;
return 0;
}
m_inTransfer = t;
// kDebug(YAHOO_RAW_DEBUG) << " - got a valid packet ";
m_state = Available;
emit incomingData();
}
else
bytesParsed = 0;
}
else
{
kDebug(YAHOO_RAW_DEBUG) << " - not a valid YMSG packet. Trying to recover.";
QTextStream s( wire, QIODevice::ReadOnly );
QString remaining = s.readAll();
int pos = remaining.indexOf( "YMSG", bytesParsed );
if( pos >= 0 )
{
kDebug(YAHOO_RAW_DEBUG) << "Recover successful.";
bytesParsed += pos;
}
else
{
kDebug(YAHOO_RAW_DEBUG) << "Recover failed. Dump it!";
bytesParsed = wire.size();
}
}
}
return bytesParsed;
}
