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
~PlatformWifi()27 PlatformWifi::~PlatformWifi() {
28 if (mWifiApi != nullptr) {
29 LOGD("Platform WiFi closing");
30 prePalApiCall();
31 mWifiApi->close();
32 LOGD("Platform WiFi closed");
33 }
34 }
35
init()36 void PlatformWifi::init() {
37 prePalApiCall();
38 mWifiApi = chrePalWifiGetApi(CHRE_PAL_WIFI_API_CURRENT_VERSION);
39 if (mWifiApi != nullptr) {
40 mWifiCallbacks.scanMonitorStatusChangeCallback =
41 PlatformWifi::scanMonitorStatusChangeCallback;
42 mWifiCallbacks.scanResponseCallback =
43 PlatformWifiBase::scanResponseCallback;
44 mWifiCallbacks.scanEventCallback =
45 PlatformWifiBase::scanEventCallback;
46 if (!mWifiApi->open(&gChrePalSystemApi, &mWifiCallbacks)) {
47 LOGE("WiFi PAL open returned false");
48 mWifiApi = nullptr;
49 }
50 } else {
51 LOGW("Requested Wifi PAL (version %08" PRIx32 ") not found",
52 CHRE_PAL_WIFI_API_CURRENT_VERSION);
53 }
54 }
55
getCapabilities()56 uint32_t PlatformWifi::getCapabilities() {
57 if (mWifiApi != nullptr) {
58 prePalApiCall();
59 return mWifiApi->getCapabilities();
60 } else {
61 return CHRE_WIFI_CAPABILITIES_NONE;
62 }
63 }
64
configureScanMonitor(bool enable)65 bool PlatformWifi::configureScanMonitor(bool enable) {
66 if (mWifiApi != nullptr) {
67 prePalApiCall();
68 return mWifiApi->configureScanMonitor(enable);
69 } else {
70 return false;
71 }
72 }
73
requestScan(const struct chreWifiScanParams * params)74 bool PlatformWifi::requestScan(const struct chreWifiScanParams *params) {
75 if (mWifiApi != nullptr) {
76 prePalApiCall();
77 return mWifiApi->requestScan(params);
78 } else {
79 return false;
80 }
81 }
82
releaseScanEvent(struct chreWifiScanEvent * event)83 void PlatformWifi::releaseScanEvent(struct chreWifiScanEvent *event) {
84 if (mWifiApi != nullptr) {
85 prePalApiCall();
86 mWifiApi->releaseScanEvent(event);
87 }
88 }
89
scanMonitorStatusChangeCallback(bool enabled,uint8_t errorCode)90 void PlatformWifiBase::scanMonitorStatusChangeCallback(bool enabled,
91 uint8_t errorCode) {
92 EventLoopManagerSingleton::get()->getWifiRequestManager()
93 .handleScanMonitorStateChange(enabled, errorCode);
94 }
95
scanResponseCallback(bool pending,uint8_t errorCode)96 void PlatformWifiBase::scanResponseCallback(bool pending, uint8_t errorCode) {
97 EventLoopManagerSingleton::get()->getWifiRequestManager()
98 .handleScanResponse(pending, errorCode);
99 }
100
scanEventCallback(struct chreWifiScanEvent * event)101 void PlatformWifiBase::scanEventCallback(struct chreWifiScanEvent *event) {
102 EventLoopManagerSingleton::get()->getWifiRequestManager()
103 .handleScanEvent(event);
104 }
105
106 } // namespace chre
107