Adding XMPP ping functionality to CLoudPrint. XMPP ping and timeout is controlled thorugh Service S…

jingle/notifier/listener/send_ping_task.h

Index: jingle/notifier/listener/send_ping_task.h
diff --git a/jingle/notifier/listener/send_ping_task.h b/jingle/notifier/listener/send_ping_task.h
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+++ b/jingle/notifier/listener/send_ping_task.h
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+// Copyright (c) 2012 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.
+//
+// Methods for sending the update stanza to notify peers via xmpp.
+
+#ifndef JINGLE_NOTIFIER_LISTENER_SEND_PING_TASK_H_
+#define JINGLE_NOTIFIER_LISTENER_SEND_PING_TASK_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/gtest_prod_util.h"
+#include "talk/xmpp/xmpptask.h"
+
+namespace buzz {
+class XmlElement;
+}  // namespace
+
+namespace notifier {
+
+class SendPingTask : public buzz::XmppTask {
+ public:
+  class Delegate {
+   public:
+    virtual void OnPingResponseReceived() = 0;
+
+   protected:
+    virtual ~Delegate();
+  };
+
+  SendPingTask(buzz::XmppTaskParentInterface* parent, Delegate* delegate);
+  virtual ~SendPingTask();
+
+  // Overridden from buzz::XmppTask.
+  virtual int ProcessStart() OVERRIDE;
+  virtual int ProcessResponse() OVERRIDE;
+  virtual bool HandleStanza(const buzz::XmlElement* stanza) OVERRIDE;
+
+ private:
+  static buzz::XmlElement* MakePingStanza(const std::string& task_id);
+
+  FRIEND_TEST_ALL_PREFIXES(SendPingTaskTest, MakePingStanza);
+
+  std::string ping_task_id_;
+  Delegate* delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(SendPingTask);
+};
+
+typedef SendPingTask::Delegate SendPingTaskDelegate;
+
+}  // namespace notifier
+
+#endif  // JINGLE_NOTIFIER_LISTENER_SEND_PING_TASK_H_