ftpcontrolchannel.cpp Example File

ftpclient/ftpcontrolchannel.cpp
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#include "ftpcontrolchannel.h" FtpControlChannel::FtpControlChannel(QObject *parent) : QObject(parent) { connect(&m_socket, &QIODevice::readyRead, this, &FtpControlChannel::onReadyRead); connect(&m_socket, &QAbstractSocket::disconnected, this, &FtpControlChannel::closed); connect(&m_socket, &QAbstractSocket::connected, this, [this]() { emit opened(m_socket.localAddress(), m_socket.localPort()); }); } void FtpControlChannel::connectToServer(const QString &server) { m_socket.connectToHost(server, 21); } void FtpControlChannel::command(const QByteArray &command, const QByteArray &params) { QByteArray sendData = command; if (!params.isEmpty()) sendData += " " + params; m_socket.write(sendData + "\r\n"); } void FtpControlChannel::onReadyRead() { m_buffer.append(m_socket.readAll()); int rn = -1; while ((rn = m_buffer.indexOf("\r\n")) != -1) { QByteArray received = m_buffer.mid(0, rn); m_buffer = m_buffer.mid(rn + 2); int space = received.indexOf(' '); if (space != -1) { int code = received.mid(0, space).toInt(); if (code == 0) emit info(received.mid(space + 1)); else emit reply(code, received.mid(space + 1)); } else { emit invalidReply(received); } } }