1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef WIFI_AP_IFACE_H_
18 #define WIFI_AP_IFACE_H_
19 
20 #include <android-base/macros.h>
21 #include <android/hardware/wifi/1.4/IWifiApIface.h>
22 
23 #include "wifi_iface_util.h"
24 #include "wifi_legacy_hal.h"
25 
26 namespace android {
27 namespace hardware {
28 namespace wifi {
29 namespace V1_4 {
30 namespace implementation {
31 using namespace android::hardware::wifi::V1_0;
32 
33 /**
34  * HIDL interface object used to control a AP Iface instance.
35  */
36 class WifiApIface : public V1_4::IWifiApIface {
37    public:
38     WifiApIface(const std::string& ifname,
39                 const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
40                 const std::weak_ptr<iface_util::WifiIfaceUtil> iface_util);
41     // Refer to |WifiChip::invalidate()|.
42     void invalidate();
43     bool isValid();
44     std::string getName();
45 
46     // HIDL methods exposed.
47     Return<void> getName(getName_cb hidl_status_cb) override;
48     Return<void> getType(getType_cb hidl_status_cb) override;
49     Return<void> setCountryCode(const hidl_array<int8_t, 2>& code,
50                                 setCountryCode_cb hidl_status_cb) override;
51     Return<void> getValidFrequenciesForBand(
52         V1_0::WifiBand band,
53         getValidFrequenciesForBand_cb hidl_status_cb) override;
54     Return<void> setMacAddress(const hidl_array<uint8_t, 6>& mac,
55                                setMacAddress_cb hidl_status_cb) override;
56     Return<void> getFactoryMacAddress(
57         getFactoryMacAddress_cb hidl_status_cb) override;
58 
59    private:
60     // Corresponding worker functions for the HIDL methods.
61     std::pair<WifiStatus, std::string> getNameInternal();
62     std::pair<WifiStatus, IfaceType> getTypeInternal();
63     WifiStatus setCountryCodeInternal(const std::array<int8_t, 2>& code);
64     std::pair<WifiStatus, std::vector<WifiChannelInMhz>>
65     getValidFrequenciesForBandInternal(V1_0::WifiBand band);
66     WifiStatus setMacAddressInternal(const std::array<uint8_t, 6>& mac);
67     std::pair<WifiStatus, std::array<uint8_t, 6>>
68     getFactoryMacAddressInternal();
69 
70     std::string ifname_;
71     std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
72     std::weak_ptr<iface_util::WifiIfaceUtil> iface_util_;
73     bool is_valid_;
74 
75     DISALLOW_COPY_AND_ASSIGN(WifiApIface);
76 };
77 
78 }  // namespace implementation
79 }  // namespace V1_4
80 }  // namespace wifi
81 }  // namespace hardware
82 }  // namespace android
83 
84 #endif  // WIFI_AP_IFACE_H_
85