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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/jingle_glue/javascript_iq_request.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "remoting/jingle_glue/signal_strategy.h"
#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
#include "third_party/libjingle/source/talk/xmpp/constants.h"
namespace remoting {
JavascriptIqRegistry::JavascriptIqRegistry() {
}
JavascriptIqRegistry::~JavascriptIqRegistry() {
}
void JavascriptIqRegistry::RemoveAllRequests(JavascriptIqRequest* request) {
IqRequestMap::iterator it = requests_.begin();
while (it != requests_.end()) {
IqRequestMap::iterator cur = it;
++it;
if (cur->second == request) {
requests_.erase(cur);
}
}
}
void JavascriptIqRegistry::OnIncomingStanza(const buzz::XmlElement* stanza) {
// TODO(ajwong): Can we cleanup this dispatch at all? The send is from
// JavascriptIqRequest but the return is in JavascriptIqRegistry.
if (stanza->Name() != buzz::QN_IQ) {
LOG(WARNING) << "Received unexpected non-IQ packet" << stanza->Str();
return;
}
if (!stanza->HasAttr(buzz::QN_ID)) {
LOG(WARNING) << "IQ packet missing id" << stanza->Str();
return;
}
const std::string& id = stanza->Attr(buzz::QN_ID);
IqRequestMap::iterator it = requests_.find(id);
if (it == requests_.end()) {
VLOG(1) << "Dropping IQ packet with no request id: " << stanza->Str();
} else {
// TODO(ajwong): We should look at the logic inside libjingle's
// XmppTask::MatchResponseIq() and make sure we're fully in sync.
// They check more fields and conditions than us.
// TODO(ajwong): This logic is weird. We add to the register in
// JavascriptIqRequest::SendIq(), but remove in
// JavascriptIqRegistry::OnIq(). We should try to keep the
// registration/deregistration in one spot.
if (!it->second->callback_.is_null()) {
it->second->callback_.Run(stanza);
it->second->callback_.Reset();
} else {
VLOG(1) << "No callback, so dropping: " << stanza->Str();
}
requests_.erase(it);
}
}
void JavascriptIqRegistry::RegisterRequest(
JavascriptIqRequest* request, const std::string& id) {
DCHECK(requests_.find(id) == requests_.end());
requests_[id] = request;
}
JavascriptIqRequest::JavascriptIqRequest(SignalStrategy* signal_strategy,
JavascriptIqRegistry* registry)
: signal_strategy_(signal_strategy),
registry_(registry) {
}
JavascriptIqRequest::~JavascriptIqRequest() {
registry_->RemoveAllRequests(this);
}
void JavascriptIqRequest::SendIq(buzz::XmlElement* stanza) {
std::string id = signal_strategy_->GetNextId();
stanza->AddAttr(buzz::QN_ID, id);
registry_->RegisterRequest(this, id);
signal_strategy_->SendStanza(stanza);
}
void JavascriptIqRequest::set_callback(const ReplyCallback& callback) {
callback_ = callback;
}
} // namespace remoting
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