device/bluetooth/bluetooth_socket.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/ref_counted.h"
  11
  12 namespace net {
  13
  14 class DrainableIOBuffer;
  15 class GrowableIOBuffer;
  16
  17 }  // namespace net
  18
  19 namespace device {
  20
  21 // BluetoothSocket represents a socket to a specific service on a
  22 // BluetoothDevice.  BluetoothSocket objects are ref counted and may outlive
  23 // both the BluetoothDevice and BluetoothAdapter that were involved in their
  24 // creation.
  25 class BluetoothSocket : public base::RefCounted<BluetoothSocket> {
  26  public:
  27   // Receives data from the socket and stores it in |buffer|. It returns whether
  28   // the reception has been successful. If it fails, the caller can get the
  29   // error message through |GetLastErrorMessage()|.
  30   virtual bool Receive(net::GrowableIOBuffer* buffer) = 0;
  31
  32   // Sends |buffer| to the socket. It returns whether the sending has been
  33   // successful. If it fails, the caller can get the error message through
  34   // |GetLastErrorMessage()|.
  35   virtual bool Send(net::DrainableIOBuffer* buffer) = 0;
  36
  37   virtual std::string GetLastErrorMessage() const = 0;
  38
  39  protected:
  40   friend class base::RefCounted<BluetoothSocket>;
  41   virtual ~BluetoothSocket() {}
  42 };
  43
  44 }  // namespace device
  45
  46 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_H_