bool QIODeviceProto::waitForReadyRead(int msecs)
{
QIODevice *item = qscriptvalue_cast<QIODevice*>(thisObject());
if (item)
return item->waitForReadyRead(msecs);
return false;
}
RKGraphicsDataStreamReadGuard () {
RKGraphicsDeviceBackendTransmitter::mutex.lock ();
have_lock = true;
rkd_waiting_for_reply = true;
QIODevice* connection = RKGraphicsDeviceBackendTransmitter::connection;
BEGIN_SUSPEND_INTERRUPTS {
while (connection->bytesToWrite ()) {
if (!connection->waitForBytesWritten (10)) {
checkHandleError ();
}
if (connection->bytesToWrite ()) RKREventLoop::processX11Events ();
}
while (!RKGraphicsDeviceBackendTransmitter::streamer.readInBuffer ()) {
RKREventLoop::processX11Events ();
if (!connection->waitForReadyRead (10)) {
if (checkHandleInterrupt (connection)) break;
checkHandleError ();
}
}
if (R_interrupts_pending) {
if (have_lock) {
RKGraphicsDeviceBackendTransmitter::mutex.unlock ();
have_lock = false; // Will d'tor still be called? We don't rely on it.
}
rkd_waiting_for_reply = false;
}
} END_SUSPEND_INTERRUPTS;
}
void KoImageDataPrivate::copyToTemporary(QIODevice &device)
{
delete temporaryFile;
temporaryFile = new KTemporaryFile();
temporaryFile->setPrefix("KoImageData");
if (!temporaryFile->open()) {
kWarning(30006) << "open temporary file for writing failed";
errorCode = KoImageData::StorageFailed;
return;
}
QCryptographicHash md5(QCryptographicHash::Md5);
char buf[8096];
while (true) {
device.waitForReadyRead(-1);
qint64 bytes = device.read(buf, sizeof(buf));
if (bytes <= 0)
break; // done!
md5.addData(buf, bytes);
do {
bytes -= temporaryFile->write(buf, bytes);
} while (bytes > 0);
}
key = KoImageDataPrivate::generateKey(md5.result());
temporaryFile->close();
//QFileInfo fi(*temporaryFile);
dataStoreState = StateNotLoaded;
}
void KoImageDataPrivate::copyToTemporary(QIODevice &device)
{
delete temporaryFile;
temporaryFile = new QTemporaryFile(QDir::tempPath() + "/" + qAppName() + QLatin1String("_XXXXXX"));
if (!temporaryFile->open()) {
warnFlake << "open temporary file for writing failed";
errorCode = KoImageData::StorageFailed;
return;
}
QCryptographicHash md5(QCryptographicHash::Md5);
char buf[8096];
while (true) {
device.waitForReadyRead(-1);
qint64 bytes = device.read(buf, sizeof(buf));
if (bytes <= 0)
break; // done!
md5.addData(buf, bytes);
do {
bytes -= temporaryFile->write(buf, bytes);
} while (bytes > 0);
}
key = KoImageDataPrivate::generateKey(md5.result());
temporaryFile->close();
dataStoreState = StateNotLoaded;
}
static qint64 streamReadData(QIODevice &source, char *data, qint64 bytesTotal) {
qint64 bytesRead = 0;
qint64 bytesLeft = bytesTotal;
int result;
while (bytesLeft > 0) {
result = source.read(data, bytesLeft);
if (result < 0) {
qDebug() << "Source had error:" << source.errorString();
return result;
}
if (result == 0) {
if (!source.waitForReadyRead(-1)) {
qDebug() << "Source is done, closing";
break;
}
}
if (result > bytesTotal) {
qDebug() << "Very bad. Wanted " << bytesTotal << ", but got " << result;
}
bytesRead += result;
data += result;
if (bytesLeft - result < 0) {
qDebug() << "That was a really strange read";
}
bytesLeft -= result;
}
if (bytesLeft < 0) {
qDebug() << "How could bytesLeft (" << bytesLeft << ") be less than zero?";
}
return bytesRead;
}
void VideoData::copyToTemporary(QIODevice &device)
{
delete d;
d = new VideoDataPrivate();
d->temporaryFile = new KTemporaryFile();
d->refCount.ref();
d->temporaryFile->setPrefix("KoVideoData");
if (!d->temporaryFile->open()) {
kWarning(30006) << "open temporary file for writing failed";
d->errorCode = VideoData::StorageFailed;
delete d;
d = 0;
return;
}
QCryptographicHash md5(QCryptographicHash::Md5);
char buf[8192];
while (true) {
device.waitForReadyRead(-1);
qint64 bytes = device.read(buf, sizeof(buf));
if (bytes <= 0)
break; // done!
md5.addData(buf, bytes);
do {
bytes -= d->temporaryFile->write(buf, bytes);
} while (bytes > 0);
}
d->key = VideoData::generateKey(md5.result());
d->temporaryFile->close();
QFileInfo fi(*(d->temporaryFile));
d->dataStoreState = StateSpooled;
}
bool RkCommand::waitAnAnswer(Request &req, QIODevice &io)
{
if(io.isOpen()){
QByteArray answer;
if(io.waitForReadyRead(100)){
int cnt=0;
answer+=io.readAll();
while(io.waitForReadyRead(10)) {
answer+=io.readAll();
cnt++;if(cnt>=maxCnt) break;
}
}
req.updateRdData(answer);
if(answer.count()) {return true;}
}
return false;
}
//----------------------------------------------------------------------------------
void tst_QIODevice::constructing_QTcpSocket()
{
#if defined(Q_OS_WINCE) && defined(WINCE_EMULATOR_TEST)
QSKIP("Networking tests in a WinCE emulator are unstable", SkipAll);
#endif
QTcpSocket socket;
QIODevice *device = &socket;
QVERIFY(!device->isOpen());
socket.connectToHost(QtNetworkSettings::serverName(), 143);
QVERIFY(socket.waitForConnected(5000));
QVERIFY(device->isOpen());
while (!device->canReadLine())
QVERIFY(device->waitForReadyRead(5000));
char buf[1024];
memset(buf, 0, sizeof(buf));
qlonglong lineLength = device->readLine(buf, sizeof(buf));
QVERIFY(lineLength > 0);
QCOMPARE(socket.pos(), qlonglong(0));
socket.close();
socket.connectToHost(QtNetworkSettings::serverName(), 143);
QVERIFY(socket.waitForConnected(5000));
QVERIFY(device->isOpen());
while (!device->canReadLine())
QVERIFY(device->waitForReadyRead(5000));
char buf2[1024];
memset(buf2, 0, sizeof(buf2));
QCOMPARE(socket.readLine(buf2, sizeof(buf2)), lineLength);
char *c1 = buf;
char *c2 = buf2;
while (*c1 && *c2) {
QCOMPARE(*c1, *c2);
++c1;
++c2;
}
QCOMPARE(*c1, *c2);
}
bool RkCommand::waitAnAnswer(Request &req, QIODevice &io)
{
static const int maxCnt = 500; // ограничение ожидания ответа при длительном входящем потоке данных
if(io.isOpen()) {
QByteArray answer;
if(io.waitForReadyRead(100)) {
int cnt=0;
answer+=io.readAll();
while(io.waitForReadyRead(10)) {
answer+=io.readAll();
cnt++;
if(cnt>=maxCnt) break;
}
}
req.updateRdData(answer);
if(answer.count()) return true;
}
return false;
}
bool LimitedSocket::readCycle()
{
QByteArray buffer;
bool bProblem = false;
QIODevice* pRemote = getRemote();
if(m_timer.isNull())
{
m_prevBytes = 0;
m_timer.start();
}
int limit = m_nSpeedLimit;
do
{
QByteArray buf;
qint64 available;
available = pRemote->bytesAvailable();
if(!available && !pRemote->waitForReadyRead(10000))
{
bProblem = true;
break;
}
qint64 toread = (limit) ? limit/2 : available;
if(m_nToTransfer && m_nToTransfer-m_nTransfered < toread)
toread = m_nToTransfer-m_nTransfered;
buf = pRemote->read(toread);
buffer += buf;
m_nTransfered += buf.size();
if(m_nTransfered >= m_nToTransfer && m_nToTransfer)
break;
}
while(buffer.size() < 1024);
m_file.write(buffer);
if(bProblem)
{
/*if(m_pSocket->state() == QAbstractSocket::ConnectedState) // timeout
m_strError = tr ( "Timeout" );
else if(m_pSocket->error() == QAbstractSocket::RemoteHostClosedError)
{
if(m_nToTransfer > m_nTransfered && m_nToTransfer)
{
qDebug() << "Remote host closed the connection";
m_strError = tr ( "Connection lost" );
}
}
else
{
m_strError = m_pSocket->errorString();
if ( m_strError.isEmpty() )
{
qDebug() << "Connection lost!";
m_strError = tr ( "Connection lost" );
}
}*/
}
else if(!m_bAbort)
{
// QTime now = QTime::currentTime();
qulonglong bnow = m_nTransfered;
int msecs;
qulonglong bytes = bnow - m_prevBytes;
if((msecs = m_timer.elapsed()) > 1000)
{
m_statsLock.lockForWrite();
m_stats << QPair<int,qulonglong> ( m_timer.restart(), bytes );
if(m_stats.size() > SPEED_SAMPLES)
m_stats.removeFirst();
m_statsLock.unlock();
m_prevBytes = bnow;
}
if(limit > 0 && bytes)
{
int sleeptime = bytes/ ( limit/1000 ) - msecs;
if(sleeptime > 0)
msleep(sleeptime*2);
}
}
return !bProblem;
}
