| // 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 DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_H_ |
| #define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| |
| namespace net { |
| class IOBuffer; |
| } // namespace net |
| |
| namespace device { |
| |
| class BluetoothDevice; |
| class BluetoothUUID; |
| |
| // BluetoothSocket represents a socket to a specific service on a |
| // BluetoothDevice. BluetoothSocket objects are ref counted and may outlive |
| // both the BluetoothDevice and BluetoothAdapter that were involved in their |
| // creation. In terms of threading, platform specific implementations may |
| // differ slightly, but platform independent consumers must guarantee calling |
| // various instance methods on the same thread as the thread used at |
| // construction time -- platform specific implementation are resonsible for |
| // marshalling calls to a different thread if required. |
| class BluetoothSocket : public base::RefCountedThreadSafe<BluetoothSocket> { |
| public: |
| enum ErrorReason { kSystemError, kIOPending, kDisconnected }; |
| |
| typedef base::Callback<void(int)> SendCompletionCallback; |
| typedef base::Callback<void(int, scoped_refptr<net::IOBuffer> io_buffer)> |
| ReceiveCompletionCallback; |
| typedef base::Callback<void(const BluetoothDevice* device, |
| scoped_refptr<BluetoothSocket> socket)> |
| AcceptCompletionCallback; |
| typedef base::Callback<void(const std::string& error_message)> |
| ErrorCompletionCallback; |
| typedef base::Callback<void(ErrorReason, const std::string& error_message)> |
| ReceiveErrorCompletionCallback; |
| |
| // Destroys resources associated with the socket. After calling this method, |
| // it is illegal to call any method on this socket instance (except for the |
| // desctrutor via Release). |
| virtual void Close() = 0; |
| |
| // Gracefully disconnects the socket and calls |callback| upon completion. |
| // There is no failure case, as this is a best effort operation. |
| virtual void Disconnect(const base::Closure& success_callback) = 0; |
| |
| // Receives data from the socket and calls |success_callback| when data is |
| // available. |buffer_size| specifies the maximum number of bytes that can be |
| // received. If an error occurs, calls |error_callback| with a reason and an |
| // error message. |
| virtual void Receive( |
| int buffer_size, |
| const ReceiveCompletionCallback& success_callback, |
| const ReceiveErrorCompletionCallback& error_callback) = 0; |
| |
| // Sends |buffer| to the socket and calls |success_callback| when data has |
| // been successfully sent. |buffer_size| is the number of bytes contained in |
| // |buffer|. If an error occurs, calls |error_callback| with an error message. |
| virtual void Send(scoped_refptr<net::IOBuffer> buffer, |
| int buffer_size, |
| const SendCompletionCallback& success_callback, |
| const ErrorCompletionCallback& error_callback) = 0; |
| |
| // Accepts a pending client connection from the socket and calls |
| // |success_callback| on completion, passing a new BluetoothSocket instance |
| // for the new client. If an error occurs, calls |error_callback| with a |
| // reason and an error message. |
| virtual void Accept(const AcceptCompletionCallback& success_callback, |
| const ErrorCompletionCallback& error_callback) = 0; |
| |
| protected: |
| friend class base::RefCountedThreadSafe<BluetoothSocket>; |
| virtual ~BluetoothSocket(); |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_H_ |