1 /*
2 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
3 * Not a Contribution
4 */
5 /*
6 * Copyright (C) 2016 The Android Open Source Project
7 *
8 * Licensed under the Apache License, Version 2_0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2_0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21 /* ​​​​​Changes from Qualcomm Innovation Center are provided under the following license:
22 * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
23 * SPDX-License-Identifier: BSD-3-Clause-Clear
24 */
25
26 #define LOG_TAG "LocSvc_GnssMeasurementInterface"
27
28 #include <log_util.h>
29 #include "GnssMeasurement.h"
30
31 namespace android {
32 namespace hardware {
33 namespace gnss {
34 namespace V2_1 {
35 namespace implementation {
36
serviceDied(uint64_t cookie,const wp<IBase> & who)37 void GnssMeasurement::GnssMeasurementDeathRecipient::serviceDied(
38 uint64_t cookie, const wp<IBase>& who) {
39 LOC_LOGE("%s] service died. cookie: %llu, who: %p",
40 __FUNCTION__, static_cast<unsigned long long>(cookie), &who);
41 if (mGnssMeasurement != nullptr) {
42 mGnssMeasurement->close();
43 }
44 }
45
GnssMeasurement()46 GnssMeasurement::GnssMeasurement() {
47 mGnssMeasurementDeathRecipient = new GnssMeasurementDeathRecipient(this);
48 mApi = new MeasurementAPIClient();
49 }
50
~GnssMeasurement()51 GnssMeasurement::~GnssMeasurement() {
52 if (mApi) {
53 mApi->destroy();
54 mApi = nullptr;
55 }
56 }
57
58 // Methods from ::android::hardware::gnss::V1_0::IGnssMeasurement follow.
setCallback(const sp<V1_0::IGnssMeasurementCallback> & callback)59 Return<GnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback(
60 const sp<V1_0::IGnssMeasurementCallback>& callback) {
61 return setCallback(callback, mGnssMeasurementCbIface, GNSS_POWER_MODE_INVALID);
62 }
63
64 template <typename T>
setCallback(const sp<T> & callback,sp<T> & myCallback,GnssPowerMode powerMode)65 Return<IGnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback(
66 const sp<T>& callback, sp<T>& myCallback, GnssPowerMode powerMode) {
67 Return<GnssMeasurement::GnssMeasurementStatus> ret =
68 IGnssMeasurement::GnssMeasurementStatus::ERROR_GENERIC;
69 if (mApi == nullptr) {
70 LOC_LOGE("%s]: mApi is nullptr", __FUNCTION__);
71 return ret;
72 }
73
74 if (myCallback != callback) {
75 if (nullptr == callback) {
76 LOC_LOGE("%s]: callback is nullptr", __FUNCTION__);
77 mApi->measurementSetCallback(callback);
78 close();
79 } else {
80 if (nullptr != myCallback) {
81 myCallback->unlinkToDeath(mGnssMeasurementDeathRecipient);
82 }
83 myCallback = callback;
84 myCallback->linkToDeath(mGnssMeasurementDeathRecipient, 0);
85 ret = mApi->measurementSetCallback(callback, powerMode);
86 }
87 }
88
89 return ret;
90 }
91
clearInterfaces()92 void GnssMeasurement::clearInterfaces() {
93 if (mApi != nullptr) {
94 mApi->measurementSetCallback<V1_0::IGnssMeasurementCallback>(nullptr);
95 mApi->measurementSetCallback<V1_1::IGnssMeasurementCallback>(nullptr);
96 mApi->measurementSetCallback<V2_0::IGnssMeasurementCallback>(nullptr);
97 mApi->measurementSetCallback<V2_1::IGnssMeasurementCallback>(nullptr);
98 }
99 if (mGnssMeasurementCbIface != nullptr) {
100 mGnssMeasurementCbIface->unlinkToDeath(mGnssMeasurementDeathRecipient);
101 mGnssMeasurementCbIface = nullptr;
102 }
103 if (mGnssMeasurementCbIface_1_1 != nullptr) {
104 mGnssMeasurementCbIface_1_1->unlinkToDeath(mGnssMeasurementDeathRecipient);
105 mGnssMeasurementCbIface_1_1 = nullptr;
106 }
107 if (mGnssMeasurementCbIface_2_0 != nullptr) {
108 mGnssMeasurementCbIface_2_0->unlinkToDeath(mGnssMeasurementDeathRecipient);
109 mGnssMeasurementCbIface_2_0 = nullptr;
110 }
111 if (mGnssMeasurementCbIface_2_1 != nullptr) {
112 mGnssMeasurementCbIface_2_1->unlinkToDeath(mGnssMeasurementDeathRecipient);
113 mGnssMeasurementCbIface_2_1 = nullptr;
114 }
115 }
116
close()117 Return<void> GnssMeasurement::close() {
118 if (mApi == nullptr) {
119 LOC_LOGE("%s]: mApi is nullptr", __FUNCTION__);
120 return Void();
121 }
122
123 clearInterfaces();
124 mApi->measurementClose();
125
126 return Void();
127 }
128
129 // Methods from ::android::hardware::gnss::V1_1::IGnssMeasurement follow.
setCallback_1_1(const sp<V1_1::IGnssMeasurementCallback> & callback,bool enableFullTracking)130 Return<GnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback_1_1(
131 const sp<V1_1::IGnssMeasurementCallback>& callback, bool enableFullTracking) {
132 return setCallback(callback, mGnssMeasurementCbIface_1_1,
133 enableFullTracking ? GNSS_POWER_MODE_M1 : GNSS_POWER_MODE_M2);
134 }
135
136 // Methods from ::android::hardware::gnss::V2_0::IGnssMeasurement follow.
setCallback_2_0(const sp<V2_0::IGnssMeasurementCallback> & callback,bool enableFullTracking)137 Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback_2_0(
138 const sp<V2_0::IGnssMeasurementCallback>& callback,
139 bool enableFullTracking) {
140 return setCallback(callback, mGnssMeasurementCbIface_2_0,
141 enableFullTracking ? GNSS_POWER_MODE_M1 : GNSS_POWER_MODE_M2);
142 }
143
144 // Methods from ::android::hardware::gnss::V2_1::IGnssMeasurement follow.
setCallback_2_1(const sp<::android::hardware::gnss::V2_1::IGnssMeasurementCallback> & callback,bool enableFullTracking)145 Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback_2_1(
146 const sp<::android::hardware::gnss::V2_1::IGnssMeasurementCallback>& callback,
147 bool enableFullTracking) {
148 return setCallback(callback, mGnssMeasurementCbIface_2_1,
149 enableFullTracking ? GNSS_POWER_MODE_M1 : GNSS_POWER_MODE_M2);
150 }
151
152 } // namespace implementation
153 } // namespace V2_1
154 } // namespace gnss
155 } // namespace hardware
156 } // namespace android
157