109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
/*
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* Copyright (C) 2012-2014 Alexey Shcherbakov
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* Copyright (C) 2014-2015 Matt Broadstone
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* Contact: https://github.com/mbroadst/qamqp
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*
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* This file is part of the QAMQP Library.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*/
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#include "qamqpqueue.h"
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#include "qamqpexchange.h"
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#include "qamqpchannelhash_p.h"
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/*!
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* Retrieve a pointer to the named channel.
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*
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* A NULL string is assumed to be equivalent to "" for the purpose
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* of retrieving the nameless (default) exchange.
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*
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* \param[in] name The name of the channel to retrieve.
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* \retval NULL Channel does not exist.
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*/
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QAmqpChannel* QAmqpChannelHash::get(const QString& name) const
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{
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if (name.isNull())
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return channels.value(QString(""));
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return channels.value(name);
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}
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/*!
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* Return true if the named channel exists.
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*/
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bool QAmqpChannelHash::contains(const QString& name) const
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{
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if (name.isNull())
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return channels.contains(QString(""));
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return channels.contains(name);
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}
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/*!
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* Store an exchange in the hash. The nameless exchange is stored under
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* the name "".
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*/
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void QAmqpChannelHash::put(QAmqpExchange* exchange)
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{
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if (exchange->name().isEmpty())
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put(QString(""), exchange);
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else
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put(exchange->name(), exchange);
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}
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/*!
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* Store a queue in the hash. If the queue is nameless, we hook its
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* declared signal and store it when the queue receives a name from the
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* broker, otherwise we store it under the name given.
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*/
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void QAmqpChannelHash::put(QAmqpQueue* queue)
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{
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if (queue->name().isEmpty())
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connect(queue, SIGNAL(declared()), this, SLOT(queueDeclared()));
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else
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put(queue->name(), queue);
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}
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/*!
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* Handle destruction of a channel. Do a full garbage collection run.
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*/
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void QAmqpChannelHash::channelDestroyed(QObject* object)
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{
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QList<QString> names(channels.keys());
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QList<QString>::iterator it;
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for (it = names.begin(); it != names.end(); it++) {
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if (channels.value(*it) == object)
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channels.remove(*it);
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}
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}
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/*!
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* Handle a queue that has just been declared and given a new name. The
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* caller is assumed to be a QAmqpQueue instance.
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*/
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void QAmqpChannelHash::queueDeclared()
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{
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put(static_cast<QAmqpQueue*>(sender()));
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}
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/*!
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* Store a channel in the hash. The channel is assumed
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* to be named at the time of storage. This hooks the 'destroyed' signal
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* so the channel can be removed from our list.
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*/
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void QAmqpChannelHash::put(const QString& name, QAmqpChannel* channel)
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{
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connect(channel, SIGNAL(destroyed(QObject*)), this, SLOT(channelDestroyed(QObject*)));
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channels[name] = channel;
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}
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#include "moc_qamqpchannelhash_p.cpp"
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/* vim: set ts=4 sw=4 et */
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