132 lines
4.3 KiB
C++
132 lines
4.3 KiB
C++
/*
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* Copyright (c) 2015 Nathan Osman
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <QGenericArgument>
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#include <QJsonDocument>
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#include <QMetaMethod>
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#include <QHttpEngine/QHttpSocket>
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#include <QHttpEngine/QObjectHandler>
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#include "qobjecthandler_p.h"
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QObjectHandlerPrivate::QObjectHandlerPrivate(QObjectHandler *handler)
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: QObject(handler),
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q(handler)
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{
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}
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QObjectHandler::QObjectHandler(QObject *parent)
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: QHttpHandler(parent),
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d(new QObjectHandlerPrivate(this))
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{
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}
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void QObjectHandlerPrivate::invokeSlot(QHttpSocket *socket, Method m)
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{
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// Invoke the slot
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if (m.oldSlot) {
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// Obtain the slot index
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int index = m.receiver->metaObject()->indexOfSlot(m.slot.method + 1);
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if (index == -1) {
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socket->writeError(QHttpSocket::InternalServerError);
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return;
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}
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QMetaMethod method = m.receiver->metaObject()->method(index);
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// Ensure the parameter is correct
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QList<QByteArray> params = method.parameterTypes();
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if (params.count() != 1 || params.at(0) != "QHttpSocket*") {
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socket->writeError(QHttpSocket::InternalServerError);
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return;
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}
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// Invoke the method
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if (!m.receiver->metaObject()->method(index).invoke(
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m.receiver, Q_ARG(QHttpSocket*, socket))) {
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socket->writeError(QHttpSocket::InternalServerError);
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return;
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}
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} else {
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void *args[] = {
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Q_NULLPTR,
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&socket
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};
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m.slot.slotObj->call(m.receiver, args);
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}
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}
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bool QObjectHandler::readJson(QHttpSocket *socket, QJsonDocument &document)
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{
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QJsonParseError error;
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document = QJsonDocument::fromJson(socket->readAll(), &error);
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if (error.error != QJsonParseError::NoError) {
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socket->writeError(QHttpSocket::BadRequest);
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return false;
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}
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return true;
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}
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void QObjectHandler::writeJson(QHttpSocket *socket, const QJsonDocument &document)
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{
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QByteArray data = document.toJson();
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socket->setHeader("Content-Length", QByteArray::number(data.length()));
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socket->setHeader("Content-Type", "application/json");
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socket->write(data);
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socket->close();
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}
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void QObjectHandler::process(QHttpSocket *socket, const QString &path)
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{
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// Ensure the method has been registered
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if (!d->map.contains(path)) {
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socket->writeError(QHttpSocket::NotFound);
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return;
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}
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QObjectHandlerPrivate::Method m = d->map.value(path);
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// If the slot requires all data to be received, check to see if this is
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// already the case, otherwise, wait until the rest of it arrives
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if (!m.readAll || socket->bytesAvailable() >= socket->contentLength()) {
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d->invokeSlot(socket, m);
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} else {
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connect(socket, &QHttpSocket::readChannelFinished, [this, socket, m]() {
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d->invokeSlot(socket, m);
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});
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}
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}
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void QObjectHandler::registerMethod(const QString &name, QObject *receiver, const char *method, bool readAll)
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{
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d->map.insert(name, QObjectHandlerPrivate::Method(receiver, method, readAll));
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}
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void QObjectHandler::registerMethodImpl(const QString &name, QObject *receiver, QtPrivate::QSlotObjectBase *slotObj, bool readAll)
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{
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d->map.insert(name, QObjectHandlerPrivate::Method(receiver, slotObj, readAll));
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}
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