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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/jingle_signaling_connector.h"
#include "base/logging.h"
#include "base/stl_util.h"
#include "remoting/jingle_glue/javascript_iq_request.h"
#include "third_party/libjingle/source/talk/p2p/base/sessionmanager.h"
#include "third_party/libjingle/source/talk/xmpp/constants.h"
#include "third_party/libjingle/source/talk/xmpp/xmppclient.h"
namespace remoting {
namespace {
// GTalk sometimes generates service-unavailable error messages with
// incorrect namespace. This method fixes such messages.
// TODO(sergeyu): Fix this on the server side.
void FixErrorStanza(buzz::XmlElement* stanza) {
if (!stanza->FirstNamed(buzz::QN_ERROR)) {
buzz::XmlElement* error = stanza->FirstNamed(buzz::QName("", "error"));
error->SetName(buzz::QN_ERROR);
}
}
} // namespace
JingleSignalingConnector::JingleSignalingConnector(
SignalStrategy* signal_strategy,
cricket::SessionManager* session_manager)
: signal_strategy_(signal_strategy),
session_manager_(session_manager) {
session_manager_->SignalOutgoingMessage.connect(
this, &JingleSignalingConnector::OnOutgoingMessage);
signal_strategy_->SetListener(this);
// Assume that signaling is ready from the beginning.
session_manager_->SignalRequestSignaling.connect(
session_manager_, &cricket::SessionManager::OnSignalingReady);
}
JingleSignalingConnector::~JingleSignalingConnector() {
signal_strategy_->SetListener(NULL);
STLDeleteContainerPairSecondPointers(pending_requests_.begin(),
pending_requests_.end());
}
bool JingleSignalingConnector::OnIncomingStanza(
const buzz::XmlElement* stanza) {
if (session_manager_->IsSessionMessage(stanza)) {
session_manager_->OnIncomingMessage(stanza);
return true;
}
if (stanza->Name() == buzz::QN_IQ) {
std::string type = stanza->Attr(buzz::QN_TYPE);
std::string id = stanza->Attr(buzz::QN_ID);
if ((type == "error" || type == "result") && !id.empty()) {
IqRequestsMap::iterator it = pending_requests_.find(id);
if (it != pending_requests_.end()) {
if (type == "result") {
session_manager_->OnIncomingResponse(it->second, stanza);
} else {
scoped_ptr<buzz::XmlElement> stanza_copy(
new buzz::XmlElement(*stanza));
FixErrorStanza(stanza_copy.get());
session_manager_->OnFailedSend(it->second, stanza_copy.get());
}
delete it->second;
pending_requests_.erase(it);
return true;
}
}
}
return false;
}
void JingleSignalingConnector::OnOutgoingMessage(
cricket::SessionManager* session_manager,
const buzz::XmlElement* stanza) {
DCHECK_EQ(session_manager, session_manager_);
scoped_ptr<buzz::XmlElement> stanza_copy(new buzz::XmlElement(*stanza));
if (stanza_copy->Name() == buzz::QN_IQ) {
std::string type = stanza_copy->Attr(buzz::QN_TYPE);
if (type == "set" || type == "get") {
std::string id = stanza_copy->Attr(buzz::QN_ID);
// Add ID attribute for set and get stanzas if it is not there.
if (id.empty()) {
id = signal_strategy_->GetNextId();
stanza_copy->SetAttr(buzz::QN_ID, id);
}
// Save the outgoing request for OnIncomingResponse().
pending_requests_[id] = new buzz::XmlElement(*stanza);
}
}
signal_strategy_->SendStanza(stanza_copy.release());
}
} // namespace remoting
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