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C++ QSslSocket::canReadLine方法代码示例

本文整理汇总了C++中QSslSocket::canReadLine方法的典型用法代码示例。如果您正苦于以下问题:C++ QSslSocket::canReadLine方法的具体用法?C++ QSslSocket::canReadLine怎么用?C++ QSslSocket::canReadLine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::canReadLine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_readFromSocket

// main logic of the component - a slot triggered upon data entering the socket
// comments inline...
void QwwSmtpClientPrivate::_q_readFromSocket() {
    while (socket->canReadLine()) {
        QString line = socket->readLine();
        qDebug() << "SMTP <<<" << line.toUtf8().constData();
        QRegExp rx("(\\d+)-(.*)\n");        // multiline response (aka 250-XYZ)
        QRegExp rxlast("(\\d+) (.*)\n");    // single or last line response (aka 250 XYZ)
        bool mid = rx.exactMatch(line);
        bool last = rxlast.exactMatch(line);
        // multiline
        if (mid){
            int status = rx.cap(1).toInt();
            SMTPCommand &cmd = commandqueue.head();
            switch (cmd.type) {
            // trying to connect
            case SMTPCommand::Connect: {
                    int stage = cmd.extra.toInt();
                    // stage 0 completed with success - socket is connected and EHLO was sent
                    if(stage==1 && status==250){
                        QString arg = rx.cap(2).trimmed();
                        parseOption(arg);   // we're probably receiving options
                    }
                }
                break;
            // trying to establish deferred SSL handshake
            case SMTPCommand::StartTLS: {
                    int stage = cmd.extra.toInt();
                    // stage 0 (negotiation) completed ok
                    if(stage==1 && status==250){
                        QString arg = rx.cap(2).trimmed();
                        parseOption(arg);   // we're probably receiving options
                    }
                }
                default: break;
            }
        } else
        // single line
        if (last) {
            int status = rxlast.cap(1).toInt();
            SMTPCommand &cmd = commandqueue.head();
            switch (cmd.type) {
            // trying to connect
            case SMTPCommand::Connect: {
                int stage = cmd.extra.toInt();
                // connection established, server sent its banner
                if (stage==0 && status==220) {
                    sendEhlo(); // connect ok, send ehlo
                }
                // server responded to EHLO
                if (stage==1 && status==250){
                    // success (EHLO)
                    parseOption(rxlast.cap(2).trimmed()); // we're probably receiving the last option
                    errorString.clear();
                    setState(QwwSmtpClient::Connected);
                    processNextCommand();
                }
                // server responded to HELO (EHLO failed)
                if (state==2 && status==250) {
                    // success (HELO)
                    errorString.clear();
                    setState(QwwSmtpClient::Connected);
                    processNextCommand();
                }
                // EHLO failed, reason given in errorString
                if (stage==1 && (status==554 || status==501 || status==502 || status==421)) {
                    errorString = rxlast.cap(2).trimmed();
                    sendHelo(); // ehlo failed, send helo
                    cmd.extra = 2;
                }
                //abortDialog();
            }
            break;
            // trying to establish a delayed SSL handshake
            case SMTPCommand::StartTLS: {
                int stage = cmd.extra.toInt();
                // received an invitation from the server to enter TLS mode
                if (stage==0 && status==220) {
                    qDebug() << "SMTP ** startClientEncruption";
                    socket->startClientEncryption();
                }
                // TLS established, connection is encrypted, EHLO was sent
                else if (stage==1 && status==250) {
                    setState(QwwSmtpClient::Connected);
                    parseOption(rxlast.cap(2).trimmed());   // we're probably receiving options
                    errorString.clear();
                    emit q->tlsStarted();
                    processNextCommand();
                }
                // starttls failed
                else {
                    qDebug() << "TLS failed at stage " << stage << ": " << line;
                    errorString = "TLS failed";
                    emit q->done(false);
                }
            }
            break;
            // trying to authenticate the client to the server
            case SMTPCommand::Authenticate: {
                int stage = cmd.extra.toInt();
//.........这里部分代码省略.........
开发者ID:invalid404,项目名称:trojita,代码行数:101,代码来源:qwwsmtpclient.cpp


注:本文中的QSslSocket::canReadLine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。