当前位置: 首页>>代码示例>>C++>>正文


C++ QSslSocket::encryptedBytesAvailable方法代码示例

本文整理汇总了C++中QSslSocket::encryptedBytesAvailable方法的典型用法代码示例。如果您正苦于以下问题:C++ QSslSocket::encryptedBytesAvailable方法的具体用法?C++ QSslSocket::encryptedBytesAvailable怎么用?C++ QSslSocket::encryptedBytesAvailable使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QSslSocket的用法示例。


在下文中一共展示了QSslSocket::encryptedBytesAvailable方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: _q_error

void QHttpNetworkConnectionChannel::_q_error(QAbstractSocket::SocketError socketError)
{
    if (!socket)
        return;
    QNetworkReply::NetworkError errorCode = QNetworkReply::UnknownNetworkError;

    switch (socketError) {
    case QAbstractSocket::HostNotFoundError:
        errorCode = QNetworkReply::HostNotFoundError;
        break;
    case QAbstractSocket::ConnectionRefusedError:
        errorCode = QNetworkReply::ConnectionRefusedError;
        break;
    case QAbstractSocket::RemoteHostClosedError:
        // try to reconnect/resend before sending an error.
        // while "Reading" the _q_disconnected() will handle this.
        if (state != QHttpNetworkConnectionChannel::IdleState && state != QHttpNetworkConnectionChannel::ReadingState) {
            if (reconnectAttempts-- > 0) {
                closeAndResendCurrentRequest();
                return;
            } else {
                errorCode = QNetworkReply::RemoteHostClosedError;
            }
        } else if (state == QHttpNetworkConnectionChannel::ReadingState) {
            if (!reply->d_func()->expectContent()) {
                // No content expected, this is a valid way to have the connection closed by the server
                return;
            }
            if (reply->contentLength() == -1 && !reply->d_func()->isChunked()) {
                // There was no content-length header and it's not chunked encoding,
                // so this is a valid way to have the connection closed by the server
                return;
            }
            // ok, we got a disconnect even though we did not expect it
            // Try to read everything from the socket before we emit the error.
            if (socket->bytesAvailable()) {
                // Read everything from the socket into the reply buffer.
                // we can ignore the readbuffersize as the data is already
                // in memory and we will not receive more data on the socket.
                reply->setReadBufferSize(0);
                _q_receiveReply();
#ifndef QT_NO_SSL
                if (ssl) {
                    // QT_NO_OPENSSL. The QSslSocket can still have encrypted bytes in the plainsocket.
                    // So we need to check this if the socket is a QSslSocket. When the socket is flushed
                    // it will force a decrypt of the encrypted data in the plainsocket.
                    QSslSocket *sslSocket = static_cast<QSslSocket*>(socket);
                    qint64 beforeFlush = sslSocket->encryptedBytesAvailable();
                    while (sslSocket->encryptedBytesAvailable()) {
                        sslSocket->flush();
                        _q_receiveReply();
                        qint64 afterFlush = sslSocket->encryptedBytesAvailable();
                        if (afterFlush == beforeFlush)
                            break;
                        beforeFlush = afterFlush;
                    }
                }
#endif
            }

            errorCode = QNetworkReply::RemoteHostClosedError;
        } else {
            errorCode = QNetworkReply::RemoteHostClosedError;
        }
        break;
    case QAbstractSocket::SocketTimeoutError:
        // try to reconnect/resend before sending an error.
        if (state == QHttpNetworkConnectionChannel::WritingState && (reconnectAttempts-- > 0)) {
            closeAndResendCurrentRequest();
            return;
        }
        errorCode = QNetworkReply::TimeoutError;
        break;
    case QAbstractSocket::ProxyAuthenticationRequiredError:
        errorCode = QNetworkReply::ProxyAuthenticationRequiredError;
        break;
    case QAbstractSocket::SslHandshakeFailedError:
        errorCode = QNetworkReply::SslHandshakeFailedError;
        break;
    default:
        // all other errors are treated as NetworkError
        errorCode = QNetworkReply::UnknownNetworkError;
        break;
    }
    QPointer<QHttpNetworkConnection> that = connection;
    QString errorString = connection->d_func()->errorDetail(errorCode, socket, socket->errorString());

    // In the InProgress state the channel should not emit the error.
    // This will instead be handled by the connection.
    if (!connection->d_func()->shouldEmitChannelError(socket))
        return;

    // Need to dequeu the request so that we can emit the error.
    if (!reply)
        connection->d_func()->dequeueRequest(socket);
    if (reply) {
        reply->d_func()->errorString = errorString;
        emit reply->finishedWithError(errorCode, errorString);
        reply = 0;
    }
//.........这里部分代码省略.........
开发者ID:KDE,项目名称:android-qt5-qtbase,代码行数:101,代码来源:qhttpnetworkconnectionchannel.cpp


注:本文中的QSslSocket::encryptedBytesAvailable方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。