| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtScxml module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #include "ftpcontrolchannel.h" |
| #include "ftpdatachannel.h" |
| #include "simpleftp.h" |
| |
| #include <QCoreApplication> |
| |
| #include <iostream> |
| |
| struct Command { |
| QString cmd; |
| QString args; |
| }; |
| |
| int main(int argc, char *argv[]) |
| { |
| if (argc != 3) { |
| qDebug() << "Usage: ftpclient <server> <file>"; |
| return 1; |
| } |
| |
| QString server = QString::fromLocal8Bit(argv[1]); |
| QString file = QString::fromLocal8Bit(argv[2]); |
| |
| QCoreApplication app(argc, argv); |
| FtpClient ftpClient; |
| FtpDataChannel dataChannel; |
| FtpControlChannel controlChannel; |
| |
| // Print all data retrieved from the server on the console. |
| QObject::connect(&dataChannel, &FtpDataChannel::dataReceived, |
| [](const QByteArray &data) { |
| std::cout << data.constData(); |
| }); |
| |
| // Translate server replies into state machine events. |
| QObject::connect(&controlChannel, &FtpControlChannel::reply, &ftpClient, |
| [&ftpClient](int code, const QString ¶meters) { |
| ftpClient.submitEvent(QString("reply.%1xx") |
| .arg(code / 100), parameters); |
| }); |
| |
| // Translate commands from the state machine into FTP control messages. |
| ftpClient.connectToEvent("submit.cmd", &controlChannel, |
| [&controlChannel](const QScxmlEvent &event) { |
| controlChannel.command(event.name().mid(11).toUtf8(), |
| event.data().toMap()["params"].toByteArray()); |
| }); |
| |
| // Commands to be sent |
| QList<Command> commands({ |
| {"cmd.USER", "anonymous"},// login |
| {"cmd.PORT", ""}, // announce port for data connection, |
| // args added below. |
| {"cmd.RETR", file} // retrieve a file |
| }); |
| |
| // When entering "B" state, send the next command. |
| ftpClient.connectToState("B", QScxmlStateMachine::onEntry([&]() { |
| if (commands.isEmpty()) { |
| app.quit(); |
| return; |
| } |
| Command command = commands.takeFirst(); |
| qDebug() << "Posting command" << command.cmd << command.args; |
| ftpClient.submitEvent(command.cmd, command.args); |
| })); |
| |
| // If the server asks for a password, send one. |
| ftpClient.connectToState("P", QScxmlStateMachine::onEntry([&ftpClient]() { |
| qDebug() << "Sending password"; |
| ftpClient.submitEvent("cmd.PASS", QString()); |
| })); |
| |
| // Connect to our own local FTP server |
| controlChannel.connectToServer(server); |
| QObject::connect(&controlChannel, &FtpControlChannel::opened, |
| [&](const QHostAddress &address, int) { |
| dataChannel.listen(address); |
| commands[1].args = dataChannel.portspec(); |
| ftpClient.start(); |
| }); |
| |
| return app.exec(); |
| } |