void QNetworkAccessDebugPipeBackend::open() { socket.connectToHost(url().host(), url().port(12345)); socket.setReadBufferSize(ReadBufferSize); // socket ready read -> we can push from socket to downstream connect(&socket, SIGNAL(readyRead()), SLOT(socketReadyRead())); connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), SLOT(socketError())); connect(&socket, SIGNAL(disconnected()), SLOT(socketDisconnected())); connect(&socket, SIGNAL(connected()), SLOT(socketConnected())); // socket bytes written -> we can push more from upstream to socket connect(&socket, SIGNAL(bytesWritten(qint64)), SLOT(socketBytesWritten(qint64))); bareProtocol = url().queryItemValue(QLatin1String("bare")) == QLatin1String("1"); if (operation() == QNetworkAccessManager::PutOperation) { uploadByteDevice = createUploadByteDevice(); QObject::connect(uploadByteDevice, SIGNAL(readyRead()), this, SLOT(uploadReadyReadSlot())); QMetaObject::invokeMethod(this, "uploadReadyReadSlot", Qt::QueuedConnection); } }
void QNetworkAccessFileBackend::open() { QUrl url = this->url(); if (url.host() == QLatin1String("localhost")) url.setHost(QString()); #if !defined(Q_OS_WIN) // do not allow UNC paths on Unix if (!url.host().isEmpty()) { // we handle only local files error(QNetworkReply::ProtocolInvalidOperationError, QCoreApplication::translate("QNetworkAccessFileBackend", "Request for opening non-local file %1").arg(url.toString())); finished(); return; } #endif // !defined(Q_OS_WIN) if (url.path().isEmpty()) url.setPath(QLatin1String("/")); setUrl(url); QString fileName = url.toLocalFile(); if (fileName.isEmpty()) { if (url.scheme() == QLatin1String("qrc")) fileName = QLatin1Char(':') + url.path(); else fileName = url.toString(QUrl::RemoveAuthority | QUrl::RemoveFragment | QUrl::RemoveQuery); } file.setFileName(fileName); if (operation() == QNetworkAccessManager::GetOperation) { if (!loadFileInfo()) return; } QIODevice::OpenMode mode; switch (operation()) { case QNetworkAccessManager::GetOperation: mode = QIODevice::ReadOnly; break; case QNetworkAccessManager::PutOperation: mode = QIODevice::WriteOnly | QIODevice::Truncate; uploadByteDevice = createUploadByteDevice(); QObject::connect(uploadByteDevice, SIGNAL(readyRead()), this, SLOT(uploadReadyReadSlot())); QMetaObject::invokeMethod(this, "uploadReadyReadSlot", Qt::QueuedConnection); break; default: Q_ASSERT_X(false, "QNetworkAccessFileBackend::open", "Got a request operation I cannot handle!!"); return; } mode |= QIODevice::Unbuffered; bool opened = file.open(mode); // could we open the file? if (!opened) { QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Error opening %1: %2") .arg(this->url().toString(), file.errorString()); // why couldn't we open the file? // if we're opening for reading, either it doesn't exist, or it's access denied // if we're opening for writing, not existing means it's access denied too if (file.exists() || operation() == QNetworkAccessManager::PutOperation) error(QNetworkReply::ContentAccessDenied, msg); else error(QNetworkReply::ContentNotFoundError, msg); finished(); } }