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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef HTTPSERVER_H
#define HTTPSERVER_H
#include "httpreqrep.h"
#include <QTcpServer>
#include <QUrl>
// Listens on a TCP socket and creates HttpReqReps for each connection.
//
// Usage:
//
// HttpServer server;
// connect(&server, &HttpServer::newRequest, [](HttpReqRep *rr) {
// if (rr->requestPath() == "/myPage.html") {
// rr->setResponseBody("<html><body>Hello, World!</body></html>");
// rr->sendResponse();
// }
// });
// QVERIFY(server.start());
// /* do stuff */
// QVERIFY(server.stop());
//
// HttpServer owns the HttpReqRep objects. The signal handler should not store
// references to HttpReqRep objects.
//
// Only if a handler calls sendResponse() will a response be actually sent. This
// means that multiple handlers can be connected to the signal, with different
// handlers responsible for different paths.
class HttpServer : public QObject
{
Q_OBJECT
public:
explicit HttpServer(QObject *parent = nullptr);
HttpServer(const QHostAddress &hostAddress, quint16 port, QObject *parent = nullptr);
HttpServer(QTcpServer *server, const QString &protocol, const QHostAddress &address,
quint16 port, QObject *parent = nullptr);
~HttpServer() override;
// Must be called to start listening.
//
// Returns true if a TCP port has been successfully bound.
Q_INVOKABLE Q_REQUIRED_RESULT bool start();
// Stops listening and performs final error checks.
Q_INVOKABLE Q_REQUIRED_RESULT bool stop();
Q_INVOKABLE void setExpectError(bool b);
// Full URL for given relative path
Q_INVOKABLE QUrl url(const QString &path = QStringLiteral("/")) const;
Q_INVOKABLE QString sharedDataDir() const;
Q_INVOKABLE void setResourceDirs(const QStringList &dirs) { m_dirs = dirs; }
Q_INVOKABLE void setHostDomain(const QString &host) { m_url.setHost(host); }
Q_INVOKABLE QTcpServer *getTcpServer() const { return m_tcpServer; }
Q_SIGNALS:
// Emitted after a HTTP request has been successfully parsed.
void newRequest(HttpReqRep *reqRep);
private Q_SLOTS:
void handleNewConnection();
private:
QTcpServer *m_tcpServer;
QUrl m_url;
QStringList m_dirs;
bool m_error = false;
bool m_ignoreNewConnection = false;
bool m_expectingError = false;
QHostAddress m_hostAddress;
quint16 m_port;
};
#endif // !HTTPSERVER_H
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