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-rw-r--r--remoting/jingle_glue/iq_request.cc79
1 files changed, 79 insertions, 0 deletions
diff --git a/remoting/jingle_glue/iq_request.cc b/remoting/jingle_glue/iq_request.cc
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+++ b/remoting/jingle_glue/iq_request.cc
@@ -0,0 +1,79 @@
+// Copyright (c) 2010 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/iq_request.h"
+
+#include "base/logging.h"
+#include "base/message_loop.h"
+#include "base/scoped_ptr.h"
+#include "remoting/jingle_glue/jingle_client.h"
+#include "talk/xmpp/constants.h"
+#include "talk/xmpp/xmppengine.h"
+
+namespace remoting {
+
+IqRequest::IqRequest(JingleClient* jingle_client)
+ : jingle_client_(jingle_client),
+ cookie_(NULL) {
+ DCHECK(jingle_client_ != NULL);
+ DCHECK(MessageLoop::current() == jingle_client_->message_loop());
+}
+
+IqRequest::~IqRequest() {
+ DCHECK(MessageLoop::current() == jingle_client_->message_loop());
+ Unregister();
+}
+
+void IqRequest::SendIq(const std::string& type,
+ const std::string& addressee,
+ buzz::XmlElement* iq_body) {
+ DCHECK(MessageLoop::current() == jingle_client_->message_loop());
+
+ // Unregister the handler if it is already registered.
+ Unregister();
+
+ DCHECK(type.length() > 0);
+ DCHECK(addressee.length() > 0);
+
+ buzz::XmppClient* xmpp_client = jingle_client_->xmpp_client();
+ DCHECK(xmpp_client); // Expect that connection is active.
+
+ scoped_ptr<buzz::XmlElement> stanza(MakeIqStanza(type, addressee, iq_body,
+ xmpp_client->NextId()));
+
+ xmpp_client->engine()->SendIq(stanza.get(), this, &cookie_);
+}
+
+// static
+buzz::XmlElement* IqRequest::MakeIqStanza(const std::string& type,
+ const std::string& addressee,
+ buzz::XmlElement* iq_body,
+ const std::string& id) {
+ buzz::XmlElement* stanza = new buzz::XmlElement(buzz::QN_IQ);
+ stanza->AddAttr(buzz::QN_TYPE, type);
+ stanza->AddAttr(buzz::QN_TO, addressee);
+ stanza->AddAttr(buzz::QN_ID, id);
+ stanza->AddElement(iq_body);
+ return stanza;
+}
+
+void IqRequest::Unregister() {
+ if (cookie_) {
+ buzz::XmppClient* xmpp_client = jingle_client_->xmpp_client();
+ // No need to unregister the handler if the client has been destroyed.
+ if (xmpp_client) {
+ xmpp_client->engine()->RemoveIqHandler(cookie_, NULL);
+ }
+ cookie_ = NULL;
+ }
+}
+
+void IqRequest::IqResponse(buzz::XmppIqCookie cookie,
+ const buzz::XmlElement* stanza) {
+ if (callback_.get() != NULL) {
+ callback_->Run(stanza);
+ }
+}
+
+} // namespace remoting