1 /*
2 * Copyright (C) 2017 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 "chre/platform/platform_wifi.h"
18
19 #include <cinttypes>
20
21 #include "chre/core/event_loop_manager.h"
22 #include "chre/platform/shared/pal_system_api.h"
23 #include "chre/platform/log.h"
24
25 namespace chre {
26
27 const chrePalWifiCallbacks PlatformWifiBase::sWifiCallbacks = {
28 PlatformWifi::scanMonitorStatusChangeCallback,
29 PlatformWifiBase::scanResponseCallback,
30 PlatformWifiBase::scanEventCallback,
31 PlatformWifiBase::rangingEventCallback,
32 };
33
~PlatformWifi()34 PlatformWifi::~PlatformWifi() {
35 if (mWifiApi != nullptr) {
36 LOGD("Platform WiFi closing");
37 prePalApiCall();
38 mWifiApi->close();
39 LOGD("Platform WiFi closed");
40 }
41 }
42
init()43 void PlatformWifi::init() {
44 prePalApiCall();
45 mWifiApi = chrePalWifiGetApi(CHRE_PAL_WIFI_API_CURRENT_VERSION);
46 if (mWifiApi != nullptr) {
47 if (!mWifiApi->open(&gChrePalSystemApi, &sWifiCallbacks)) {
48 LOGE("WiFi PAL open returned false");
49 mWifiApi = nullptr;
50 } else {
51 LOGD("Opened WiFi PAL version 0x%08" PRIx32, mWifiApi->moduleVersion);
52 }
53 } else {
54 LOGW("Requested Wifi PAL (version 0x%08" PRIx32 ") not found",
55 CHRE_PAL_WIFI_API_CURRENT_VERSION);
56 }
57 }
58
getCapabilities()59 uint32_t PlatformWifi::getCapabilities() {
60 if (mWifiApi != nullptr) {
61 prePalApiCall();
62 return mWifiApi->getCapabilities();
63 } else {
64 return CHRE_WIFI_CAPABILITIES_NONE;
65 }
66 }
67
configureScanMonitor(bool enable)68 bool PlatformWifi::configureScanMonitor(bool enable) {
69 if (mWifiApi != nullptr) {
70 prePalApiCall();
71 return mWifiApi->configureScanMonitor(enable);
72 } else {
73 return false;
74 }
75 }
76
requestRanging(const struct chreWifiRangingParams * params)77 bool PlatformWifi::requestRanging(const struct chreWifiRangingParams *params) {
78 if (mWifiApi != nullptr
79 && mWifiApi->moduleVersion >= CHRE_PAL_WIFI_API_V1_2) {
80 prePalApiCall();
81 return mWifiApi->requestRanging(params);
82 } else {
83 return false;
84 }
85 }
86
requestScan(const struct chreWifiScanParams * params)87 bool PlatformWifi::requestScan(const struct chreWifiScanParams *params) {
88 if (mWifiApi != nullptr) {
89 prePalApiCall();
90 return mWifiApi->requestScan(params);
91 } else {
92 return false;
93 }
94 }
95
releaseRangingEvent(struct chreWifiRangingEvent * event)96 void PlatformWifi::releaseRangingEvent(struct chreWifiRangingEvent *event) {
97 prePalApiCall();
98 mWifiApi->releaseRangingEvent(event);
99 }
100
releaseScanEvent(struct chreWifiScanEvent * event)101 void PlatformWifi::releaseScanEvent(struct chreWifiScanEvent *event) {
102 prePalApiCall();
103 mWifiApi->releaseScanEvent(event);
104 }
105
rangingEventCallback(uint8_t errorCode,struct chreWifiRangingEvent * event)106 void PlatformWifiBase::rangingEventCallback(
107 uint8_t errorCode, struct chreWifiRangingEvent *event) {
108 EventLoopManagerSingleton::get()->getWifiRequestManager()
109 .handleRangingEvent(errorCode, event);
110 }
111
scanMonitorStatusChangeCallback(bool enabled,uint8_t errorCode)112 void PlatformWifiBase::scanMonitorStatusChangeCallback(bool enabled,
113 uint8_t errorCode) {
114 EventLoopManagerSingleton::get()->getWifiRequestManager()
115 .handleScanMonitorStateChange(enabled, errorCode);
116 }
117
scanResponseCallback(bool pending,uint8_t errorCode)118 void PlatformWifiBase::scanResponseCallback(bool pending, uint8_t errorCode) {
119 EventLoopManagerSingleton::get()->getWifiRequestManager()
120 .handleScanResponse(pending, errorCode);
121 }
122
scanEventCallback(struct chreWifiScanEvent * event)123 void PlatformWifiBase::scanEventCallback(struct chreWifiScanEvent *event) {
124 EventLoopManagerSingleton::get()->getWifiRequestManager()
125 .handleScanEvent(event);
126 }
127
128 } // namespace chre
129