Home | History | Annotate | Download | only in bluetooth
      1 // Copyright 2014 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_L2CAP_CHANNEL_MAC_H_
      6 #define DEVICE_BLUETOOTH_BLUETOOTH_L2CAP_CHANNEL_MAC_H_
      7 
      8 #import <IOBluetooth/IOBluetooth.h>
      9 #import <IOKit/IOReturn.h>
     10 
     11 #include "base/mac/scoped_nsobject.h"
     12 #include "base/macros.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "device/bluetooth/bluetooth_channel_mac.h"
     15 
     16 @class BluetoothL2capChannelDelegate;
     17 
     18 namespace device {
     19 
     20 class BluetoothL2capChannelMac : public BluetoothChannelMac {
     21  public:
     22   // Creates a new L2CAP channel wrapper with the given |socket| and native
     23   // |channel|.
     24   // NOTE: The |channel| is expected to already be retained.
     25   BluetoothL2capChannelMac(BluetoothSocketMac* socket,
     26                            IOBluetoothL2CAPChannel* channel);
     27   virtual ~BluetoothL2capChannelMac();
     28 
     29   // Opens a new L2CAP channel with Channel ID |channel_id| to the target
     30   // |device|. Returns the opened channel and sets |status| to kIOReturnSuccess
     31   // if the open process was successfully started (or if an existing L2CAP
     32   // channel was found). Otherwise, sets |status| to an error status.
     33   static scoped_ptr<BluetoothL2capChannelMac> OpenAsync(
     34       BluetoothSocketMac* socket,
     35       IOBluetoothDevice* device,
     36       BluetoothL2CAPPSM psm,
     37       IOReturn* status);
     38 
     39   // BluetoothChannelMac:
     40   virtual void SetSocket(BluetoothSocketMac* socket) OVERRIDE;
     41   virtual IOBluetoothDevice* GetDevice() OVERRIDE;
     42   virtual uint16_t GetOutgoingMTU() OVERRIDE;
     43   virtual IOReturn WriteAsync(void* data,
     44                               uint16_t length,
     45                               void* refcon) OVERRIDE;
     46 
     47   void OnChannelOpenComplete(IOBluetoothL2CAPChannel* channel,
     48                              IOReturn status);
     49   void OnChannelClosed(IOBluetoothL2CAPChannel* channel);
     50   void OnChannelDataReceived(IOBluetoothL2CAPChannel* channel,
     51                              void* data,
     52                              size_t length);
     53   void OnChannelWriteComplete(IOBluetoothL2CAPChannel* channel,
     54                               void* refcon,
     55                               IOReturn status);
     56 
     57  private:
     58   // The wrapped native L2CAP channel.
     59   base::scoped_nsobject<IOBluetoothL2CAPChannel> channel_;
     60 
     61   // The delegate for the native channel.
     62   base::scoped_nsobject<BluetoothL2capChannelDelegate> delegate_;
     63 
     64   DISALLOW_COPY_AND_ASSIGN(BluetoothL2capChannelMac);
     65 };
     66 
     67 }  // namespace device
     68 
     69 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_L2CAP_CHANNEL_MAC_H_
     70