| // Copyright 2018 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 CHROMEOS_SERVICES_SECURE_CHANNEL_MULTIPLEXED_CHANNEL_H_ |
| #define CHROMEOS_SERVICES_SECURE_CHANNEL_MULTIPLEXED_CHANNEL_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "chromeos/services/secure_channel/client_connection_parameters.h" |
| #include "chromeos/services/secure_channel/connection_details.h" |
| #include "chromeos/services/secure_channel/public/mojom/secure_channel.mojom.h" |
| |
| namespace chromeos { |
| |
| namespace secure_channel { |
| |
| // Full-duplex communication channel which is shared between one or more |
| // clients. Messages received on the channel are passed to each client for |
| // processing, and messages sent by one client are delivered over the underlying |
| // connection. The channel stays active until either the remote device triggers |
| // its disconnection or all clients disconnect. |
| class MultiplexedChannel { |
| public: |
| class Delegate { |
| public: |
| virtual ~Delegate() = default; |
| virtual void OnDisconnected( |
| const ConnectionDetails& connection_details) = 0; |
| }; |
| |
| virtual ~MultiplexedChannel(); |
| |
| virtual bool IsDisconnecting() const = 0; |
| virtual bool IsDisconnected() const = 0; |
| |
| // Shares this channel with an additional client. Returns whether this action |
| // was successful; all calls are expected to succeed unless the channel is |
| // disconnected or disconnecting. |
| bool AddClientToChannel( |
| std::unique_ptr<ClientConnectionParameters> client_connection_parameters); |
| |
| const ConnectionDetails& connection_details() { return connection_details_; } |
| |
| protected: |
| MultiplexedChannel(Delegate* delegate, ConnectionDetails connection_details); |
| |
| virtual void PerformAddClientToChannel( |
| std::unique_ptr<ClientConnectionParameters> |
| client_connection_parameters) = 0; |
| |
| void NotifyDisconnected(); |
| |
| private: |
| Delegate* delegate_; |
| const ConnectionDetails connection_details_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MultiplexedChannel); |
| }; |
| |
| } // namespace secure_channel |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_SERVICES_SECURE_CHANNEL_MULTIPLEXED_CHANNEL_H_ |