qt-everywhere-src-5.15.1/qtdeclarative/tests/manual/httpserver/main.cpp

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
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#include <testhttpserver.h>

#include <QCoreApplication>
#include <QCommandLineParser>
#include <QCommandLineOption>
#include <QDebug>
#include <QDir>
#include <QFileInfo>

#include <iostream>
#include <iterator>
#include <algorithm>

inline std::wostream &operator<<(std::wostream &str, const QString &s)
{
#ifdef Q_OS_WIN
    str << reinterpret_cast<const wchar_t *>(s.utf16());
#else
    str << s.toStdWString();
#endif
    return str;
}

enum { defaultPort = 14457 };

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    QCoreApplication::setApplicationName("HttpServer");
    QCoreApplication::setApplicationVersion(QT_VERSION_STR);

    QCommandLineParser commandLineParser;
    commandLineParser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);
    commandLineParser.setApplicationDescription(QStringLiteral("HTTP Test server"));
    commandLineParser.addHelpOption();
    commandLineParser.addVersionOption();

    QCommandLineOption portOption(QStringLiteral("p"),
                                 QStringLiteral("Port (default: ") + QString::number(defaultPort) + QLatin1Char(')'),
                                 QStringLiteral("port"));

    commandLineParser.addOption(portOption);

    commandLineParser.addPositionalArgument(QStringLiteral("[directory]"),
                                  QStringLiteral("Directory to serve."));

    commandLineParser.process(a);

    const QStringList args = commandLineParser.positionalArguments();
    if (args.size() != 1)
        commandLineParser.showHelp(1);

    const QString directory = QDir::cleanPath(args.front());
    if (!QFileInfo(directory).isDir()) {
        std::wcerr << '"' << QDir::toNativeSeparators(directory) <<  "\" is not a directory.\n";
        return -1;
    }

    unsigned short port = defaultPort;
    if (commandLineParser.isSet(portOption)) {
        const QString portV = commandLineParser.value(portOption);
        bool ok;
        port = portV.toUShort(&ok);
        if (!ok) {
            std::wcerr << portV << " is not a valid port number.\n";
            return -1;
        }
    }

    std::wcout << "Serving \"" << QDir::toNativeSeparators(directory)
               << "\":\n\n" << QDir(directory).entryList(QDir::Files).join(QLatin1Char('\n'))
               << "\n\non http://localhost:" << port << '\n';

    TestHTTPServer server;
    if (!server.listen(port)) {
        std::wcout << "Couldn't listen on port " << port << server.errorString().toLocal8Bit();
        exit(-1);
    }
    server.serveDirectory(directory);

    return a.exec();
}