qt-creator/src/libs/utils/url.cpp

/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
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** GNU General Public License Usage
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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
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#include "url.h"
#include "temporaryfile.h"

#include <QHostAddress>
#include <QTcpServer>
#include <QUrl>

namespace Utils {

QUrl urlFromLocalHostAndFreePort()
{
    QUrl serverUrl;
    QTcpServer server;
    serverUrl.setScheme(urlTcpScheme());
    if (server.listen(QHostAddress::LocalHost) || server.listen(QHostAddress::LocalHostIPv6)) {
        serverUrl.setHost(server.serverAddress().toString());
        serverUrl.setPort(server.serverPort());
    }
    return serverUrl;
}

QUrl urlFromLocalSocket()
{
    QUrl serverUrl;
    serverUrl.setScheme(urlSocketScheme());
    TemporaryFile file("qtc-socket");
    // see "man unix" for unix socket file name size limitations
    if (file.fileName().size() > 104) {
        qWarning().nospace()
            << "Socket file name \"" << file.fileName()
            << "\" is larger than 104 characters, which will not work on Darwin/macOS/Linux!";
    }
    if (file.open())
        serverUrl.setPath(file.fileName());
    return serverUrl;
}

QString urlSocketScheme()
{
    return QString("socket");
}

QString urlTcpScheme()
{
    return QString("tcp");
}

}