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/*
* Copyright (c) 2010-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/Queries/IQRouter.h>
#include <boost/bind.hpp>
#include <Swiften/Base/Algorithm.h>
#include <Swiften/Elements/ErrorPayload.h>
#include <Swiften/Queries/IQChannel.h>
#include <Swiften/Queries/IQHandler.h>
namespace Swift {
static void noop(IQHandler*) {}
IQRouter::IQRouter(IQChannel* channel) : channel_(channel), queueRemoves_(false) {
channel->onIQReceived.connect(boost::bind(&IQRouter::handleIQ, this, _1));
}
IQRouter::~IQRouter() {
channel_->onIQReceived.disconnect(boost::bind(&IQRouter::handleIQ, this, _1));
}
bool IQRouter::isAvailable() {
return channel_->isAvailable();
}
void IQRouter::handleIQ(std::shared_ptr<IQ> iq) {
queueRemoves_ = true;
bool handled = false;
// Go through the handlers in reverse order, to give precedence to the last added handler
std::vector<std::shared_ptr<IQHandler> >::const_reverse_iterator i = handlers_.rbegin();
std::vector<std::shared_ptr<IQHandler> >::const_reverse_iterator rend = handlers_.rend();
for (; i != rend; ++i) {
handled |= (*i)->handleIQ(iq);
if (handled) {
break;
}
}
if (!handled && (iq->getType() == IQ::Get || iq->getType() == IQ::Set) ) {
sendIQ(IQ::createError(iq->getFrom(), iq->getID(), ErrorPayload::FeatureNotImplemented, ErrorPayload::Cancel));
}
processPendingRemoves();
queueRemoves_ = false;
}
void IQRouter::processPendingRemoves() {
for (auto&& handler : queuedRemoves_) {
erase(handlers_, handler);
}
queuedRemoves_.clear();
}
void IQRouter::addHandler(IQHandler* handler) {
addHandler(std::shared_ptr<IQHandler>(handler, noop));
}
void IQRouter::removeHandler(IQHandler* handler) {
removeHandler(std::shared_ptr<IQHandler>(handler, noop));
}
void IQRouter::addHandler(std::shared_ptr<IQHandler> handler) {
handlers_.push_back(handler);
}
void IQRouter::removeHandler(std::shared_ptr<IQHandler> handler) {
if (queueRemoves_) {
queuedRemoves_.push_back(handler);
}
else {
erase(handlers_, handler);
}
}
void IQRouter::sendIQ(std::shared_ptr<IQ> iq) {
if (from_.isValid() && !iq->getFrom().isValid()) {
iq->setFrom(from_);
}
channel_->sendIQ(iq);
}
std::string IQRouter::getNewIQID() {
return channel_->getNewIQID();
}
}
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Swift