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50
51#include "ftpcontrolchannel.h"
52
53FtpControlChannel::FtpControlChannel(QObject *parent) : QObject(parent)
54{
55 connect(sender: &m_socket, signal: &QIODevice::readyRead,
56 receiver: this, slot: &FtpControlChannel::onReadyRead);
57 connect(sender: &m_socket, signal: &QAbstractSocket::disconnected,
58 receiver: this, slot: &FtpControlChannel::closed);
59 connect(sender: &m_socket, signal: &QAbstractSocket::connected, context: this, slot: [this]() {
60 emit opened(localAddress: m_socket.localAddress(), localPort: m_socket.localPort());
61 });
62}
63
64void FtpControlChannel::connectToServer(const QString &server)
65{
66 m_socket.connectToHost(hostName: server, port: 21);
67}
68
69void FtpControlChannel::command(const QByteArray &command,
70 const QByteArray &params)
71{
72 QByteArray sendData = command;
73 if (!params.isEmpty())
74 sendData += " " + params;
75 m_socket.write(data: sendData + "\r\n");
76}
77
78void FtpControlChannel::onReadyRead()
79{
80 m_buffer.append(a: m_socket.readAll());
81 int rn = -1;
82 while ((rn = m_buffer.indexOf(c: "\r\n")) != -1) {
83 QByteArray received = m_buffer.mid(index: 0, len: rn);
84 m_buffer = m_buffer.mid(index: rn + 2);
85 int space = received.indexOf(c: ' ');
86 if (space != -1) {
87 int code = received.mid(index: 0, len: space).toInt();
88 if (code == 0)
89 emit info(info: received.mid(index: space + 1));
90 else
91 emit reply(code, parameters: received.mid(index: space + 1));
92 } else {
93 emit invalidReply(reply: received);
94 }
95 }
96}
97

source code of qtscxml/examples/scxml/ftpclient/ftpcontrolchannel.cpp