1 /*
2 * Copyright (c) 2017-2019, 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_0 {
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 if (myCallback != callback) {
74 if (nullptr == callback) {
75 LOC_LOGE("%s]: callback is nullptr", __FUNCTION__);
76 mApi->measurementSetCallback(callback);
77 close();
78 } else {
79 if (nullptr != myCallback) {
80 myCallback->unlinkToDeath(mGnssMeasurementDeathRecipient);
81 }
82 myCallback = callback;
83 myCallback->linkToDeath(mGnssMeasurementDeathRecipient, 0);
84 ret = mApi->measurementSetCallback(callback, powerMode);
85 }
86 }
87
88 return ret;
89 }
90
clearInterfaces()91 void GnssMeasurement::clearInterfaces() {
92 if (mApi != nullptr) {
93 mApi->measurementSetCallback<V1_0::IGnssMeasurementCallback>(nullptr);
94 mApi->measurementSetCallback<V1_1::IGnssMeasurementCallback>(nullptr);
95 mApi->measurementSetCallback<V2_0::IGnssMeasurementCallback>(nullptr);
96 }
97 if (mGnssMeasurementCbIface != nullptr) {
98 mGnssMeasurementCbIface->unlinkToDeath(mGnssMeasurementDeathRecipient);
99 mGnssMeasurementCbIface = nullptr;
100 }
101 if (mGnssMeasurementCbIface_1_1 != nullptr) {
102 mGnssMeasurementCbIface_1_1->unlinkToDeath(mGnssMeasurementDeathRecipient);
103 mGnssMeasurementCbIface_1_1 = nullptr;
104 }
105 if (mGnssMeasurementCbIface_2_0 != nullptr) {
106 mGnssMeasurementCbIface_2_0->unlinkToDeath(mGnssMeasurementDeathRecipient);
107 mGnssMeasurementCbIface_2_0 = nullptr;
108 }
109 }
110
close()111 Return<void> GnssMeasurement::close() {
112 if (mApi == nullptr) {
113 LOC_LOGE("%s]: mApi is nullptr", __FUNCTION__);
114 return Void();
115 }
116
117 clearInterfaces();
118 mApi->measurementClose();
119
120 return Void();
121 }
122
123 // Methods from ::android::hardware::gnss::V1_1::IGnssMeasurement follow.
setCallback_1_1(const sp<V1_1::IGnssMeasurementCallback> & callback,bool enableFullTracking)124 Return<GnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback_1_1(
125 const sp<V1_1::IGnssMeasurementCallback>& callback, bool enableFullTracking) {
126 return setCallback(callback, mGnssMeasurementCbIface_1_1,
127 enableFullTracking ? GNSS_POWER_MODE_M1 : GNSS_POWER_MODE_M2);
128 }
129 // Methods from ::android::hardware::gnss::V2_0::IGnssMeasurement follow.
setCallback_2_0(const sp<V2_0::IGnssMeasurementCallback> & callback,bool enableFullTracking)130 Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback_2_0(
131 const sp<V2_0::IGnssMeasurementCallback>& callback,
132 bool enableFullTracking) {
133 return setCallback(callback, mGnssMeasurementCbIface_2_0,
134 enableFullTracking ? GNSS_POWER_MODE_M1 : GNSS_POWER_MODE_M2);
135 }
136
137 } // namespace implementation
138 } // namespace V2_0
139 } // namespace gnss
140 } // namespace hardware
141 } // namespace android
142