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_rtt_controller.h"
22 #include "wifi_status_util.h"
23
24 namespace android {
25 namespace hardware {
26 namespace wifi {
27 namespace V1_1 {
28 namespace implementation {
29 using hidl_return_util::validateAndCall;
30
WifiRttController(const sp<IWifiIface> & bound_iface,const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)31 WifiRttController::WifiRttController(
32 const sp<IWifiIface>& bound_iface,
33 const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)
34 : bound_iface_(bound_iface), legacy_hal_(legacy_hal), is_valid_(true) {}
35
invalidate()36 void WifiRttController::invalidate() {
37 legacy_hal_.reset();
38 event_callbacks_.clear();
39 is_valid_ = false;
40 }
41
isValid()42 bool WifiRttController::isValid() {
43 return is_valid_;
44 }
45
46 std::vector<sp<IWifiRttControllerEventCallback>>
getEventCallbacks()47 WifiRttController::getEventCallbacks() {
48 return event_callbacks_;
49 }
50
getBoundIface(getBoundIface_cb hidl_status_cb)51 Return<void> WifiRttController::getBoundIface(getBoundIface_cb hidl_status_cb) {
52 return validateAndCall(this,
53 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
54 &WifiRttController::getBoundIfaceInternal,
55 hidl_status_cb);
56 }
57
registerEventCallback(const sp<IWifiRttControllerEventCallback> & callback,registerEventCallback_cb hidl_status_cb)58 Return<void> WifiRttController::registerEventCallback(
59 const sp<IWifiRttControllerEventCallback>& callback,
60 registerEventCallback_cb hidl_status_cb) {
61 return validateAndCall(this,
62 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
63 &WifiRttController::registerEventCallbackInternal,
64 hidl_status_cb,
65 callback);
66 }
67
rangeRequest(uint32_t cmd_id,const hidl_vec<RttConfig> & rtt_configs,rangeRequest_cb hidl_status_cb)68 Return<void> WifiRttController::rangeRequest(
69 uint32_t cmd_id,
70 const hidl_vec<RttConfig>& rtt_configs,
71 rangeRequest_cb hidl_status_cb) {
72 return validateAndCall(this,
73 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
74 &WifiRttController::rangeRequestInternal,
75 hidl_status_cb,
76 cmd_id,
77 rtt_configs);
78 }
79
rangeCancel(uint32_t cmd_id,const hidl_vec<hidl_array<uint8_t,6>> & addrs,rangeCancel_cb hidl_status_cb)80 Return<void> WifiRttController::rangeCancel(
81 uint32_t cmd_id,
82 const hidl_vec<hidl_array<uint8_t, 6>>& addrs,
83 rangeCancel_cb hidl_status_cb) {
84 return validateAndCall(this,
85 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
86 &WifiRttController::rangeCancelInternal,
87 hidl_status_cb,
88 cmd_id,
89 addrs);
90 }
91
getCapabilities(getCapabilities_cb hidl_status_cb)92 Return<void> WifiRttController::getCapabilities(
93 getCapabilities_cb hidl_status_cb) {
94 return validateAndCall(this,
95 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
96 &WifiRttController::getCapabilitiesInternal,
97 hidl_status_cb);
98 }
99
setLci(uint32_t cmd_id,const RttLciInformation & lci,setLci_cb hidl_status_cb)100 Return<void> WifiRttController::setLci(uint32_t cmd_id,
101 const RttLciInformation& lci,
102 setLci_cb hidl_status_cb) {
103 return validateAndCall(this,
104 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
105 &WifiRttController::setLciInternal,
106 hidl_status_cb,
107 cmd_id,
108 lci);
109 }
110
setLcr(uint32_t cmd_id,const RttLcrInformation & lcr,setLcr_cb hidl_status_cb)111 Return<void> WifiRttController::setLcr(uint32_t cmd_id,
112 const RttLcrInformation& lcr,
113 setLcr_cb hidl_status_cb) {
114 return validateAndCall(this,
115 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
116 &WifiRttController::setLcrInternal,
117 hidl_status_cb,
118 cmd_id,
119 lcr);
120 }
121
getResponderInfo(getResponderInfo_cb hidl_status_cb)122 Return<void> WifiRttController::getResponderInfo(
123 getResponderInfo_cb hidl_status_cb) {
124 return validateAndCall(this,
125 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
126 &WifiRttController::getResponderInfoInternal,
127 hidl_status_cb);
128 }
129
enableResponder(uint32_t cmd_id,const WifiChannelInfo & channel_hint,uint32_t max_duration_seconds,const RttResponder & info,enableResponder_cb hidl_status_cb)130 Return<void> WifiRttController::enableResponder(
131 uint32_t cmd_id,
132 const WifiChannelInfo& channel_hint,
133 uint32_t max_duration_seconds,
134 const RttResponder& info,
135 enableResponder_cb hidl_status_cb) {
136 return validateAndCall(this,
137 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
138 &WifiRttController::enableResponderInternal,
139 hidl_status_cb,
140 cmd_id,
141 channel_hint,
142 max_duration_seconds,
143 info);
144 }
145
disableResponder(uint32_t cmd_id,disableResponder_cb hidl_status_cb)146 Return<void> WifiRttController::disableResponder(
147 uint32_t cmd_id, disableResponder_cb hidl_status_cb) {
148 return validateAndCall(this,
149 WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
150 &WifiRttController::disableResponderInternal,
151 hidl_status_cb,
152 cmd_id);
153 }
154
155 std::pair<WifiStatus, sp<IWifiIface>>
getBoundIfaceInternal()156 WifiRttController::getBoundIfaceInternal() {
157 return {createWifiStatus(WifiStatusCode::SUCCESS), bound_iface_};
158 }
159
registerEventCallbackInternal(const sp<IWifiRttControllerEventCallback> & callback)160 WifiStatus WifiRttController::registerEventCallbackInternal(
161 const sp<IWifiRttControllerEventCallback>& callback) {
162 // TODO(b/31632518): remove the callback when the client is destroyed
163 event_callbacks_.emplace_back(callback);
164 return createWifiStatus(WifiStatusCode::SUCCESS);
165 }
166
rangeRequestInternal(uint32_t cmd_id,const std::vector<RttConfig> & rtt_configs)167 WifiStatus WifiRttController::rangeRequestInternal(
168 uint32_t cmd_id, const std::vector<RttConfig>& rtt_configs) {
169 std::vector<legacy_hal::wifi_rtt_config> legacy_configs;
170 if (!hidl_struct_util::convertHidlVectorOfRttConfigToLegacy(
171 rtt_configs, &legacy_configs)) {
172 return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
173 }
174 android::wp<WifiRttController> weak_ptr_this(this);
175 const auto& on_results_callback = [weak_ptr_this](
176 legacy_hal::wifi_request_id id,
177 const std::vector<const legacy_hal::wifi_rtt_result*>& results) {
178 const auto shared_ptr_this = weak_ptr_this.promote();
179 if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
180 LOG(ERROR) << "Callback invoked on an invalid object";
181 return;
182 }
183 std::vector<RttResult> hidl_results;
184 if (!hidl_struct_util::convertLegacyVectorOfRttResultToHidl(
185 results, &hidl_results)) {
186 LOG(ERROR) << "Failed to convert rtt results to HIDL structs";
187 return;
188 }
189 for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
190 callback->onResults(id, hidl_results);
191 }
192 };
193 legacy_hal::wifi_error legacy_status =
194 legacy_hal_.lock()->startRttRangeRequest(
195 cmd_id, legacy_configs, on_results_callback);
196 return createWifiStatusFromLegacyError(legacy_status);
197 }
198
rangeCancelInternal(uint32_t cmd_id,const std::vector<hidl_array<uint8_t,6>> & addrs)199 WifiStatus WifiRttController::rangeCancelInternal(
200 uint32_t cmd_id, const std::vector<hidl_array<uint8_t, 6>>& addrs) {
201 std::vector<std::array<uint8_t, 6>> legacy_addrs;
202 for (const auto& addr : addrs) {
203 legacy_addrs.push_back(addr);
204 }
205 legacy_hal::wifi_error legacy_status =
206 legacy_hal_.lock()->cancelRttRangeRequest(cmd_id, legacy_addrs);
207 return createWifiStatusFromLegacyError(legacy_status);
208 }
209
210 std::pair<WifiStatus, RttCapabilities>
getCapabilitiesInternal()211 WifiRttController::getCapabilitiesInternal() {
212 legacy_hal::wifi_error legacy_status;
213 legacy_hal::wifi_rtt_capabilities legacy_caps;
214 std::tie(legacy_status, legacy_caps) =
215 legacy_hal_.lock()->getRttCapabilities();
216 if (legacy_status != legacy_hal::WIFI_SUCCESS) {
217 return {createWifiStatusFromLegacyError(legacy_status), {}};
218 }
219 RttCapabilities hidl_caps;
220 if (!hidl_struct_util::convertLegacyRttCapabilitiesToHidl(legacy_caps,
221 &hidl_caps)) {
222 return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), {}};
223 }
224 return {createWifiStatus(WifiStatusCode::SUCCESS), hidl_caps};
225 }
226
setLciInternal(uint32_t cmd_id,const RttLciInformation & lci)227 WifiStatus WifiRttController::setLciInternal(uint32_t cmd_id,
228 const RttLciInformation& lci) {
229 legacy_hal::wifi_lci_information legacy_lci;
230 if (!hidl_struct_util::convertHidlRttLciInformationToLegacy(lci,
231 &legacy_lci)) {
232 return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
233 }
234 legacy_hal::wifi_error legacy_status =
235 legacy_hal_.lock()->setRttLci(cmd_id, legacy_lci);
236 return createWifiStatusFromLegacyError(legacy_status);
237 }
238
setLcrInternal(uint32_t cmd_id,const RttLcrInformation & lcr)239 WifiStatus WifiRttController::setLcrInternal(uint32_t cmd_id,
240 const RttLcrInformation& lcr) {
241 legacy_hal::wifi_lcr_information legacy_lcr;
242 if (!hidl_struct_util::convertHidlRttLcrInformationToLegacy(lcr,
243 &legacy_lcr)) {
244 return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
245 }
246 legacy_hal::wifi_error legacy_status =
247 legacy_hal_.lock()->setRttLcr(cmd_id, legacy_lcr);
248 return createWifiStatusFromLegacyError(legacy_status);
249 }
250
251 std::pair<WifiStatus, RttResponder>
getResponderInfoInternal()252 WifiRttController::getResponderInfoInternal() {
253 legacy_hal::wifi_error legacy_status;
254 legacy_hal::wifi_rtt_responder legacy_responder;
255 std::tie(legacy_status, legacy_responder) =
256 legacy_hal_.lock()->getRttResponderInfo();
257 if (legacy_status != legacy_hal::WIFI_SUCCESS) {
258 return {createWifiStatusFromLegacyError(legacy_status), {}};
259 }
260 RttResponder hidl_responder;
261 if (!hidl_struct_util::convertLegacyRttResponderToHidl(legacy_responder,
262 &hidl_responder)) {
263 return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), {}};
264 }
265 return {createWifiStatus(WifiStatusCode::SUCCESS), hidl_responder};
266 }
267
enableResponderInternal(uint32_t cmd_id,const WifiChannelInfo & channel_hint,uint32_t max_duration_seconds,const RttResponder & info)268 WifiStatus WifiRttController::enableResponderInternal(
269 uint32_t cmd_id,
270 const WifiChannelInfo& channel_hint,
271 uint32_t max_duration_seconds,
272 const RttResponder& info) {
273 legacy_hal::wifi_channel_info legacy_channel_info;
274 if (!hidl_struct_util::convertHidlWifiChannelInfoToLegacy(
275 channel_hint, &legacy_channel_info)) {
276 return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
277 }
278 legacy_hal::wifi_rtt_responder legacy_responder;
279 if (!hidl_struct_util::convertHidlRttResponderToLegacy(info,
280 &legacy_responder)) {
281 return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
282 }
283 legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->enableRttResponder(
284 cmd_id, legacy_channel_info, max_duration_seconds, legacy_responder);
285 return createWifiStatusFromLegacyError(legacy_status);
286 }
287
disableResponderInternal(uint32_t cmd_id)288 WifiStatus WifiRttController::disableResponderInternal(uint32_t cmd_id) {
289 legacy_hal::wifi_error legacy_status =
290 legacy_hal_.lock()->disableRttResponder(cmd_id);
291 return createWifiStatusFromLegacyError(legacy_status);
292 }
293 } // namespace implementation
294 } // namespace V1_1
295 } // namespace wifi
296 } // namespace hardware
297 } // namespace android
298