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 <GnssMeasurementAPIClient.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 GnssMeasurementAPIClient();
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->gnssMeasurementSetCallback(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->gnssMeasurementClose();
91 
92     return Void();
93 }
94 
95 }  // namespace implementation
96 }  // namespace V1_0
97 }  // namespace gnss
98 }  // namespace hardware
99 }  // namespace android
100