cdc221ae00
- Constructor order. - Unused variables. - size_t -> int conversions. Change-Id: Ic5b016f41d01a4d8153ae0900b607bf946523c1d Reviewed-by: Jason McDonald <jason.mcdonald@nokia.com>
215 lines
6.0 KiB
C++
215 lines
6.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the FOO module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "minihttpserver.h"
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#include <QtCore/QFile>
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#include <QtCore/QSemaphore>
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#include <QtCore/QUrl>
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#include <QtNetwork/QTcpServer>
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#include <QtNetwork/QTcpSocket>
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MiniHttpServer::MiniHttpServer(QObject *parent) :
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QThread(parent)
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{
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readyToGo = new QSemaphore;
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start();
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readyToGo->acquire();
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delete readyToGo;
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}
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MiniHttpServer::~MiniHttpServer()
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{
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quitObject->deleteLater();
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wait();
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}
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void MiniHttpServer::run()
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{
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server = new QTcpServer;
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server->listen(QHostAddress::LocalHost);
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portnum = server->serverPort();
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connect(server, SIGNAL(newConnection()), this, SLOT(handleConnection()), Qt::DirectConnection);
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quitObject = new QObject;
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connect(quitObject, SIGNAL(destroyed()), this, SLOT(quit()), Qt::DirectConnection);
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readyToGo->release();
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exec();
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// cleanup
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delete server;
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}
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void MiniHttpServer::handleConnection()
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{
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while (server->hasPendingConnections()) {
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QTcpSocket *socket = server->nextPendingConnection();
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new MiniHttpServerConnection(socket); // handles its own lifetime
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}
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}
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MiniHttpServerConnection::MiniHttpServerConnection(QTcpSocket *socket)
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: QObject(socket), socket(socket), source(0)
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{
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connect(socket, SIGNAL(readyRead()), SLOT(handleReadyRead()));
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connect(socket, SIGNAL(bytesWritten(qint64)), SLOT(handleBytesWritten()));
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connect(socket, SIGNAL(disconnected()), SLOT(handleDisconnected()));
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timeout.setInterval(30000);
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timeout.setSingleShot(true);
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connect(&timeout, SIGNAL(timeout()), SLOT(handleTimeout()));
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timeout.start();
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}
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void MiniHttpServerConnection::sendError500()
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{
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static const char body[] =
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"HTTP/1.1 500 Server Error\r\n"
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"Connection: close\r\n"
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"Content-Length: 0\r\n"
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"\r\n";
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socket->write(body, strlen(body));
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socket->disconnectFromHost();
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}
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void MiniHttpServerConnection::sendError404()
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{
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static const char body1[] =
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"HTTP/1.1 404 File not found\r\n"
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"Content-Length: 0\r\n";
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socket->write(body1, strlen(body1));
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if (connectionClose) {
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socket->write("Connection: close\r\n\r\n");
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socket->disconnectFromHost();
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} else {
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socket->write("\r\n");
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handlePendingRequest();
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}
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}
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void MiniHttpServerConnection::handlePendingRequest()
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{
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int endOfRequest = buffer.indexOf("\r\n\r\n");
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if (endOfRequest == -1)
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return; // nothing to do
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QByteArray request = buffer.left(endOfRequest);
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buffer = buffer.mid(endOfRequest + 4);
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//qDebug("request: %s", request.constData());
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if (!request.startsWith("GET ")) {
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sendError500();
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return;
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}
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int eol = request.indexOf("\r\n");
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static const char http11[] = " HTTP/1.1";
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if (memcmp(request.data() + eol - strlen(http11), http11, strlen(http11)) != 0) {
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sendError500();
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return;
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}
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QUrl uri = QUrl::fromEncoded(request.mid(4, eol - int(strlen(http11)) - 4));
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source.setFileName(":" + uri.path());
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// connection-close?
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request = request.toLower();
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connectionClose = request.contains("\r\nconnection: close\r\n");
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if (!source.open(QIODevice::ReadOnly)) {
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sendError404();
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return;
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}
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// success
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timeout.stop();
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static const char body[] =
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"HTTP/1.1 200 Ok\r\n"
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"Content-Type: text/plain\r\n"
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"Content-Length: ";
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socket->write(body, strlen(body));
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socket->write(QByteArray::number(source.size()));
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if (connectionClose)
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socket->write("\r\nConnection: close");
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socket->write("\r\n\r\n");
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handleBytesWritten();
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}
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void MiniHttpServerConnection::handleReadyRead()
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{
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buffer += socket->readAll();
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if (!source.isOpen())
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handlePendingRequest();
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}
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void MiniHttpServerConnection::handleDisconnected()
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{
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socket->deleteLater(); // will delete us too
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}
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void MiniHttpServerConnection::handleBytesWritten()
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{
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qint64 maxBytes = qMin<qint64>(128*1024, source.bytesAvailable());
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maxBytes = qMin(maxBytes, 128*1024 - socket->bytesToWrite());
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if (maxBytes < 0)
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return;
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socket->write(source.read(maxBytes));
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if (source.atEnd()) {
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// file ended
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source.close();
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if (connectionClose) {
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socket->disconnectFromHost();
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} else {
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timeout.start();
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handlePendingRequest();
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}
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}
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}
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void MiniHttpServerConnection::handleTimeout()
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{
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socket->disconnectFromHost();
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}
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