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 #include <android-base/logging.h>
18 
19 #include "hidl_return_util.h"
20 #include "hidl_struct_util.h"
21 #include "wifi_ap_iface.h"
22 #include "wifi_status_util.h"
23 
24 namespace android {
25 namespace hardware {
26 namespace wifi {
27 namespace V1_2 {
28 namespace implementation {
29 using hidl_return_util::validateAndCall;
30 
WifiApIface(const std::string & ifname,const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)31 WifiApIface::WifiApIface(
32     const std::string& ifname,
33     const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)
34     : ifname_(ifname), legacy_hal_(legacy_hal), is_valid_(true) {}
35 
invalidate()36 void WifiApIface::invalidate() {
37     legacy_hal_.reset();
38     is_valid_ = false;
39 }
40 
isValid()41 bool WifiApIface::isValid() { return is_valid_; }
42 
getName()43 std::string WifiApIface::getName() { return ifname_; }
44 
getName(getName_cb hidl_status_cb)45 Return<void> WifiApIface::getName(getName_cb hidl_status_cb) {
46     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
47                            &WifiApIface::getNameInternal, hidl_status_cb);
48 }
49 
getType(getType_cb hidl_status_cb)50 Return<void> WifiApIface::getType(getType_cb hidl_status_cb) {
51     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
52                            &WifiApIface::getTypeInternal, hidl_status_cb);
53 }
54 
setCountryCode(const hidl_array<int8_t,2> & code,setCountryCode_cb hidl_status_cb)55 Return<void> WifiApIface::setCountryCode(const hidl_array<int8_t, 2>& code,
56                                          setCountryCode_cb hidl_status_cb) {
57     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
58                            &WifiApIface::setCountryCodeInternal, hidl_status_cb,
59                            code);
60 }
61 
getValidFrequenciesForBand(WifiBand band,getValidFrequenciesForBand_cb hidl_status_cb)62 Return<void> WifiApIface::getValidFrequenciesForBand(
63     WifiBand band, getValidFrequenciesForBand_cb hidl_status_cb) {
64     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
65                            &WifiApIface::getValidFrequenciesForBandInternal,
66                            hidl_status_cb, band);
67 }
68 
getNameInternal()69 std::pair<WifiStatus, std::string> WifiApIface::getNameInternal() {
70     return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
71 }
72 
getTypeInternal()73 std::pair<WifiStatus, IfaceType> WifiApIface::getTypeInternal() {
74     return {createWifiStatus(WifiStatusCode::SUCCESS), IfaceType::AP};
75 }
76 
setCountryCodeInternal(const std::array<int8_t,2> & code)77 WifiStatus WifiApIface::setCountryCodeInternal(
78     const std::array<int8_t, 2>& code) {
79     legacy_hal::wifi_error legacy_status =
80         legacy_hal_.lock()->setCountryCode(ifname_, code);
81     return createWifiStatusFromLegacyError(legacy_status);
82 }
83 
84 std::pair<WifiStatus, std::vector<WifiChannelInMhz>>
getValidFrequenciesForBandInternal(WifiBand band)85 WifiApIface::getValidFrequenciesForBandInternal(WifiBand band) {
86     static_assert(sizeof(WifiChannelInMhz) == sizeof(uint32_t),
87                   "Size mismatch");
88     legacy_hal::wifi_error legacy_status;
89     std::vector<uint32_t> valid_frequencies;
90     std::tie(legacy_status, valid_frequencies) =
91         legacy_hal_.lock()->getValidFrequenciesForBand(
92             ifname_, hidl_struct_util::convertHidlWifiBandToLegacy(band));
93     return {createWifiStatusFromLegacyError(legacy_status), valid_frequencies};
94 }
95 }  // namespace implementation
96 }  // namespace V1_2
97 }  // namespace wifi
98 }  // namespace hardware
99 }  // namespace android
100