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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtAddOn.JsonStream module of the Qt.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QCoreApplication>
#include <QStringList>
#include <QDebug>
#include <QJsonArray>
#include <QLocalSocket>
#include <QLocalServer>
#include <QDebug>
#include <QTimer>
#include <QFile>
#include "qjsonstream.h"
#include "qjsonserver.h"
QT_USE_NAMESPACE_JSONSTREAM
QString gSocketname = "/tmp/tst_jsonstream";
/****************************/
class BasicServer : public QObject {
Q_OBJECT
public:
BasicServer(const QString& socketname)
: socket(0), stream(0)
{
QLocalServer::removeServer(socketname);
QFile::remove(socketname);
server = new QLocalServer(this);
connect(server, SIGNAL(newConnection()), SLOT(handleConnection()));
Q_ASSERT(server->listen(socketname));
QTimer::singleShot(100, this, SLOT(ready()));
}
~BasicServer() {
Q_ASSERT(server);
delete server;
server = NULL;
}
bool send(const QJsonObject& message) {
return stream ? stream->send(message) : false;
}
void disconnectFromServer(int timeout)
{
QTimer::singleShot(timeout, this, SLOT(doDisconnect()));
}
private slots:
void ready()
{
fprintf(stdout, "READY\n"); // send ready command
fflush(stdout);
}
void handleConnection() {
socket = server->nextPendingConnection();
Q_ASSERT(socket);
stream = new QJsonStream(socket);
stream->setParent(socket);
connect(socket, SIGNAL(disconnected()), SLOT(handleDisconnection()));
connect(stream, SIGNAL(readyReadMessage()), SLOT(processMessages()));
}
void processMessages() {
while (stream->messageAvailable()) {
QJsonObject obj = stream->readMessage();
if (!obj.isEmpty())
emit messageReceived(obj);
}
}
void doDisconnect() {
// disconnect and wait for a new connection
if (socket) {
socket->disconnect(this);
socket->disconnectFromServer();
socket->deleteLater();
stream->deleteLater();
socket = NULL;
stream = NULL;
}
}
void handleDisconnection() {
Q_ASSERT(socket);
socket->deleteLater();
socket = NULL;
stream = NULL;
exit(0);
}
signals:
void messageReceived(const QJsonObject&);
private:
QLocalServer *server;
QLocalSocket *socket;
QJsonStream *stream;
};
class Container : public QObject
{
Q_OBJECT
public:
Container();
void sendMessage(const QString &endpoint = QString::null);
public slots:
void received(const QJsonObject& message);
private:
BasicServer *mServer;
int mCounter;
};
Container::Container()
: mCounter(0)
{
qDebug() << "Creating new json server at" << gSocketname;
mServer = new BasicServer(gSocketname);
connect(mServer, SIGNAL(messageReceived(const QJsonObject&)),
SLOT(received(const QJsonObject&)));
}
void Container::sendMessage(const QString &endpoint)
{
static int counter = 0;
QJsonObject msg;
msg.insert("counter", counter++);
msg.insert("text", QLatin1String("Standard text"));
msg.insert("number", mCounter++);
msg.insert("int", 100);
msg.insert("float", 100.0);
msg.insert("true", true);
msg.insert("false", false);
msg.insert("array", QJsonArray::fromStringList(QStringList() << "one" << "two" << "three"));
QJsonObject obj;
obj.insert("item1", QLatin1String("This is item 1"));
obj.insert("item2", QLatin1String("This is item 2"));
msg.insert("object", obj);
if (!endpoint.isEmpty())
msg.insert("endpoint", endpoint);
mServer->send(msg);
}
void Container::received(const QJsonObject& message)
{
qDebug() << "received " << message;
QString command = message.value("command").toString();
if (!command.isEmpty()) {
qDebug() << "Received command" << command;
if (command == "exit")
exit(0);
else if (command == "crash")
exit(1);
else if (command == "reply")
sendMessage(message.value("endpoint").toString());
else if (command == "flurry") {
QJsonArray endpoints = message.value("endpoints").toArray();
int msgsPerEndpoint = static_cast<int> (message.value("count").toDouble());
int nEndpoints = endpoints.size() ? endpoints.size() : 1;
bool grouped = message.value("grouped").toBool();
for (int count = msgsPerEndpoint * nEndpoints; count ; --count ) {
QString endpoint;
if (nEndpoints > 0) {
int idx = grouped ? ((count-1) / msgsPerEndpoint) : ((count-1) % nEndpoints);
// qDebug() << "ZZZ idx = " << idx;
endpoint = endpoints.at(idx).toString();
}
// qDebug() << "ZZZ sending message for " << endpoint;
sendMessage(endpoint);
}
}
else if (command == "disconnect") {
// send message back first
mServer->send(message);
int timeout = message.value("timeout").toDouble();
mServer->disconnectFromServer(timeout);
}
}
else {
// send message back
mServer->send(message);
}
}
int
main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QStringList args = QCoreApplication::arguments();
QString progname = args.takeFirst();
while (args.size()) {
QString arg = args.at(0);
if (!arg.startsWith("-"))
break;
args.removeFirst();
if (arg == "-socket")
gSocketname = args.takeFirst();
}
Container c;
return app.exec();
}
#include "main.moc"
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