149 lines
4.9 KiB
C++
149 lines
4.9 KiB
C++
//
|
|
// Copyright (C) 2014 The Android Open Source Project
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
|
|
#ifndef APMANAGER_DEVICE_H_
|
|
#define APMANAGER_DEVICE_H_
|
|
|
|
#include <set>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <base/macros.h>
|
|
#include <base/memory/ref_counted.h>
|
|
#include <shill/net/byte_string.h>
|
|
#include <shill/net/nl80211_message.h>
|
|
|
|
#include "apmanager/device_adaptor_interface.h"
|
|
|
|
namespace apmanager {
|
|
|
|
class ControlInterface;
|
|
class Manager;
|
|
|
|
// Abstraction for WiFi Device (PHY). Each device can have one or more
|
|
// interfaces defined on it.
|
|
class Device : public base::RefCounted<Device> {
|
|
public:
|
|
struct WiFiInterface {
|
|
WiFiInterface() : iface_index(0), iface_type(0) {}
|
|
WiFiInterface(const std::string& in_iface_name,
|
|
const std::string& in_device_name,
|
|
uint32_t in_iface_index,
|
|
uint32_t in_iface_type)
|
|
: iface_name(in_iface_name),
|
|
device_name(in_device_name),
|
|
iface_index(in_iface_index),
|
|
iface_type(in_iface_type) {}
|
|
std::string iface_name;
|
|
std::string device_name;
|
|
uint32_t iface_index;
|
|
uint32_t iface_type;
|
|
bool Equals(const WiFiInterface& other) const {
|
|
return this->iface_name == other.iface_name &&
|
|
this->device_name == other.device_name &&
|
|
this->iface_index == other.iface_index &&
|
|
this->iface_type == other.iface_type;
|
|
}
|
|
};
|
|
|
|
struct BandCapability {
|
|
std::vector<uint32_t> frequencies;
|
|
uint16_t ht_capability_mask;
|
|
uint16_t vht_capability_mask;
|
|
};
|
|
|
|
Device(Manager* manager,
|
|
const std::string& device_name,
|
|
int identifier);
|
|
virtual ~Device();
|
|
|
|
// Register/deregister WiFi interface on this device.
|
|
virtual void RegisterInterface(const WiFiInterface& interface);
|
|
virtual void DeregisterInterface(const WiFiInterface& interface);
|
|
|
|
// Parse device capability from NL80211 message.
|
|
void ParseWiphyCapability(const shill::Nl80211Message& msg);
|
|
|
|
// Claim ownership of this device for AP operation. When |full_control| is
|
|
// set to true, this will claim all interfaces reside on this device.
|
|
// When it is set to false, this will only claim the interface used for AP
|
|
// operation.
|
|
virtual bool ClaimDevice(bool full_control);
|
|
// Release any claimed interfaces.
|
|
virtual bool ReleaseDevice();
|
|
|
|
// Return true if interface with |interface_name| resides on this device,
|
|
// false otherwise.
|
|
virtual bool InterfaceExists(const std::string& interface_name);
|
|
|
|
// Get HT and VHT capability string based on the operating channel.
|
|
// Return true and set the output capability string if such capability
|
|
// exist for the band the given |channel| is in, false otherwise.
|
|
virtual bool GetHTCapability(uint16_t channel, std::string* ht_cap);
|
|
virtual bool GetVHTCapability(uint16_t channel, std::string* vht_cap);
|
|
|
|
void SetDeviceName(const std::string& device_name);
|
|
std::string GetDeviceName() const;
|
|
void SetPreferredApInterface(const std::string& interface_name);
|
|
std::string GetPreferredApInterface() const;
|
|
void SetInUse(bool in_use);
|
|
bool GetInUse() const;
|
|
|
|
int identifier() const { return identifier_; }
|
|
|
|
private:
|
|
friend class DeviceTest;
|
|
|
|
// Get the HT secondary channel location base on the primary channel.
|
|
// Return true and set the output |above| flag if channel is valid,
|
|
// otherwise return false.
|
|
static bool GetHTSecondaryChannelLocation(uint16_t channel, bool* above);
|
|
|
|
// Determine preferred interface to used for AP operation based on the list
|
|
// of interfaces reside on this device
|
|
void UpdatePreferredAPInterface();
|
|
|
|
// Get the capability for the band the given |channel| is in. Return true
|
|
// and set the output |capability| pointer if such capability exist for the
|
|
// band the given |channel| is in, false otherwise.
|
|
bool GetBandCapability(uint16_t channel, BandCapability* capability);
|
|
|
|
Manager* manager_;
|
|
|
|
// List of WiFi interfaces live on this device (PHY).
|
|
std::vector<WiFiInterface> interface_list_;
|
|
|
|
// Flag indicating if this device supports AP mode interface or not.
|
|
bool supports_ap_mode_;
|
|
|
|
// Wiphy band capabilities.
|
|
std::vector<BandCapability> band_capability_;
|
|
|
|
// List of claimed interfaces.
|
|
std::set<std::string> claimed_interfaces_;
|
|
|
|
// Unique device identifier.
|
|
int identifier_;
|
|
|
|
// Adaptor for communicating with remote clients.
|
|
std::unique_ptr<DeviceAdaptorInterface> adaptor_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(Device);
|
|
};
|
|
|
|
} // namespace apmanager
|
|
|
|
#endif // APMANAGER_DEVICE_H_
|