1 /*
2 * Copyright (c) 2017, 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 #define LOG_TAG "LocSvc_GnssMeasurementInterface"
22
23 #include <log_util.h>
24 #include <MeasurementAPIClient.h>
25 #include "GnssMeasurement.h"
26
27 namespace android {
28 namespace hardware {
29 namespace gnss {
30 namespace V1_0 {
31 namespace implementation {
32
serviceDied(uint64_t cookie,const wp<IBase> & who)33 void GnssMeasurement::GnssMeasurementDeathRecipient::serviceDied(
34 uint64_t cookie, const wp<IBase>& who) {
35 LOC_LOGE("%s] service died. cookie: %llu, who: %p",
36 __FUNCTION__, static_cast<unsigned long long>(cookie), &who);
37 if (mGnssMeasurement != nullptr) {
38 mGnssMeasurement->close();
39 }
40 }
41
GnssMeasurement()42 GnssMeasurement::GnssMeasurement() {
43 mGnssMeasurementDeathRecipient = new GnssMeasurementDeathRecipient(this);
44 mApi = new MeasurementAPIClient();
45 }
46
~GnssMeasurement()47 GnssMeasurement::~GnssMeasurement() {
48 if (mApi) {
49 delete mApi;
50 mApi = nullptr;
51 }
52 }
53
54 // Methods from ::android::hardware::gnss::V1_0::IGnssMeasurement follow.
setCallback(const sp<IGnssMeasurementCallback> & callback)55 Return<IGnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback(
56 const sp<IGnssMeasurementCallback>& callback) {
57
58 Return<IGnssMeasurement::GnssMeasurementStatus> ret =
59 IGnssMeasurement::GnssMeasurementStatus::ERROR_GENERIC;
60 if (mGnssMeasurementCbIface != nullptr) {
61 LOC_LOGE("%s]: GnssMeasurementCallback is already set", __FUNCTION__);
62 return IGnssMeasurement::GnssMeasurementStatus::ERROR_ALREADY_INIT;
63 }
64
65 if (callback == nullptr) {
66 LOC_LOGE("%s]: callback is nullptr", __FUNCTION__);
67 return ret;
68 }
69 if (mApi == nullptr) {
70 LOC_LOGE("%s]: mApi is nullptr", __FUNCTION__);
71 return ret;
72 }
73
74 mGnssMeasurementCbIface = callback;
75 mGnssMeasurementCbIface->linkToDeath(mGnssMeasurementDeathRecipient, 0 /*cookie*/);
76
77 return mApi->measurementSetCallback(callback);
78 }
79
close()80 Return<void> GnssMeasurement::close() {
81 if (mApi == nullptr) {
82 LOC_LOGE("%s]: mApi is nullptr", __FUNCTION__);
83 return Void();
84 }
85
86 if (mGnssMeasurementCbIface != nullptr) {
87 mGnssMeasurementCbIface->unlinkToDeath(mGnssMeasurementDeathRecipient);
88 mGnssMeasurementCbIface = nullptr;
89 }
90 mApi->measurementClose();
91
92 return Void();
93 }
94
95 } // namespace implementation
96 } // namespace V1_0
97 } // namespace gnss
98 } // namespace hardware
99 } // namespace android
100