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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/StreamManagement/StanzaAckRequester.h>
#include <boost/numeric/conversion/cast.hpp>
#include <iostream>
#include <Swiften/Elements/Message.h>
namespace Swift {
static const unsigned int MAX_HANDLED_STANZA_COUNT = boost::numeric_cast<unsigned int>((1ULL<<32) - 1);
StanzaAckRequester::StanzaAckRequester() : lastHandledStanzasCount(0) {
}
void StanzaAckRequester::handleStanzaSent(boost::shared_ptr<Stanza> stanza) {
unackedStanzas.push_back(stanza);
if (boost::dynamic_pointer_cast<Message>(stanza)) {
onRequestAck();
}
}
void StanzaAckRequester::handleAckReceived(unsigned int handledStanzasCount) {
unsigned int i = lastHandledStanzasCount;
while (i != handledStanzasCount) {
if (unackedStanzas.empty()) {
std::cerr << "Warning: Server acked more stanzas than we sent" << std::endl;
break;
}
boost::shared_ptr<Stanza> ackedStanza = unackedStanzas.front();
unackedStanzas.pop_front();
onStanzaAcked(ackedStanza);
i = (i == MAX_HANDLED_STANZA_COUNT ? 0 : i + 1);
}
lastHandledStanzasCount = handledStanzasCount;
}
}
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