device/bluetooth/bluetooth_socket_chromeos.h

   1 // Copyright 2013 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_CHROMEOS_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_CHROMEOS_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "chromeos/chromeos_export.h"
  13 #include "device/bluetooth/bluetooth_socket.h"
  14
  15 namespace dbus {
  16 class FileDescriptor;
  17 }  // namespace dbus
  18
  19 namespace net {
  20 class IOBuffer;
  21 }  // namespace net
  22
  23 namespace chromeos {
  24
  25 // The BluetoothSocketChromeOS class implements BluetoothSocket for the
  26 // Chrome OS platform.
  27 class CHROMEOS_EXPORT BluetoothSocketChromeOS
  28     : public device::BluetoothSocket {
  29  public:
  30   // Overriden from BluetoothSocket:
  31   virtual void Close() OVERRIDE;
  32   virtual void Disconnect(const base::Closure& callback) OVERRIDE;
  33   virtual void Receive(int count,
  34                        const ReceiveCompletionCallback& success_callback,
  35                        const ReceiveErrorCompletionCallback& error_callback)
  36       OVERRIDE;
  37   virtual void Send(scoped_refptr<net::IOBuffer> buffer,
  38                     int buffer_size,
  39                     const SendCompletionCallback& success_callback,
  40                     const ErrorCompletionCallback& error_callback) OVERRIDE;
  41
  42   // Create an instance of a BluetoothSocket from the passed file descriptor
  43   // received over D-Bus in |fd|, the descriptor will be taken from that object
  44   // and ownership passed to the returned object.
  45   static scoped_refptr<device::BluetoothSocket> Create(
  46       dbus::FileDescriptor* fd);
  47
  48  protected:
  49   virtual ~BluetoothSocketChromeOS();
  50
  51  private:
  52   BluetoothSocketChromeOS(int fd);
  53
  54   // The different socket types have different reading patterns; l2cap sockets
  55   // have to be read with boundaries between datagrams preserved while rfcomm
  56   // sockets do not.
  57   enum SocketType {
  58     L2CAP,
  59     RFCOMM
  60   };
  61
  62   // File descriptor and socket type of the socket.
  63   const int fd_;
  64   SocketType socket_type_;
  65
  66   // Last error message, set during Receive() and Send() and retrieved using
  67   // GetLastErrorMessage().
  68   std::string error_message_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(BluetoothSocketChromeOS);
  71 };
  72
  73 }  // namespace chromeos
  74
  75 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_CHROMEOS_H_