blob: 3b7f89a3d90cc34b62e98c011563057bde36f0e5 [file] [log] [blame]
// 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.
#ifndef JINGLE_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_
#define JINGLE_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "jingle/notifier/base/xmpp_connection.h"
#include "jingle/notifier/communicator/connection_settings.h"
#include "jingle/notifier/communicator/login_settings.h"
#include "webrtc/libjingle/xmpp/xmppengine.h"
namespace buzz {
class XmppTaskParentInterface;
} // namespace buzz
namespace notifier {
struct ServerInformation;
// Handles all of the aspects of a single login attempt. By
// containing this within one class, when another login attempt is
// made, this class can be destroyed to immediately stop the previous
// login attempt.
class SingleLoginAttempt : public XmppConnection::Delegate {
public:
// At most one delegate method will be called, depending on the
// result of the login attempt. After the delegate method is
// called, this class won't do anything anymore until it is
// destroyed, at which point it will disconnect if necessary.
class Delegate {
public:
// Called when the login attempt is successful.
virtual void OnConnect(
base::WeakPtr<buzz::XmppTaskParentInterface> base_task) = 0;
// Called when the server responds with a redirect. A new login
// attempt should be made to the given redirect server.
virtual void OnRedirect(const ServerInformation& redirect_server) = 0;
// Called when a server rejects the client's login credentials. A
// new login attempt should be made once the client provides new
// credentials.
virtual void OnCredentialsRejected() = 0;
// Called when no server could be logged into for reasons other
// than redirection or rejected credentials. A new login attempt
// may be created, but it should be done with exponential backoff.
virtual void OnSettingsExhausted() = 0;
protected:
virtual ~Delegate();
};
// Does not take ownership of |delegate|, which must not be NULL.
SingleLoginAttempt(const LoginSettings& login_settings, Delegate* delegate);
~SingleLoginAttempt() override;
// XmppConnection::Delegate implementation.
void OnConnect(base::WeakPtr<buzz::XmppTaskParentInterface> parent) override;
void OnError(buzz::XmppEngine::Error error,
int error_subcode,
const buzz::XmlElement* stream_error) override;
private:
void TryConnect(const ConnectionSettings& new_settings);
const LoginSettings login_settings_;
Delegate* const delegate_;
const ConnectionSettingsList settings_list_;
ConnectionSettingsList::const_iterator current_settings_;
scoped_ptr<XmppConnection> xmpp_connection_;
DISALLOW_COPY_AND_ASSIGN(SingleLoginAttempt);
};
} // namespace notifier
#endif // JINGLE_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_