1 /*
2  * Copyright (C) 2019 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 #pragma once
18 
19 #include <android/hardware/gnss/2.1/IGnssCallback.h>
20 #include <android/hardware/gnss/2.1/IGnssConfiguration.h>
21 #include <hidl/MQDescriptor.h>
22 #include <hidl/Status.h>
23 #include <mutex>
24 #include <unordered_set>
25 
26 namespace android::hardware::gnss::V2_1::implementation {
27 
28 struct BlacklistedSourceHashV2_1 {
operatorBlacklistedSourceHashV2_129     inline int operator()(
30             const ::android::hardware::gnss::V2_1::IGnssConfiguration::BlacklistedSource& source)
31             const {
32         return int(source.constellation) * 1000 + int(source.svid);
33     }
34 };
35 
36 struct BlacklistedSourceEqualV2_1 {
operatorBlacklistedSourceEqualV2_137     inline bool operator()(
38             const ::android::hardware::gnss::V2_1::IGnssConfiguration::BlacklistedSource& s1,
39             const ::android::hardware::gnss::V2_1::IGnssConfiguration::BlacklistedSource& s2)
40             const {
41         return (s1.constellation == s2.constellation) && (s1.svid == s2.svid);
42     }
43 };
44 
45 using BlacklistedSourceSetV2_1 =
46         std::unordered_set<::android::hardware::gnss::V2_1::IGnssConfiguration::BlacklistedSource,
47                            BlacklistedSourceHashV2_1, BlacklistedSourceEqualV2_1>;
48 using BlacklistedConstellationSetV2_1 = std::unordered_set<V2_0::GnssConstellationType>;
49 
50 struct GnssConfiguration : public IGnssConfiguration {
51     // Methods from ::android::hardware::gnss::V1_0::IGnssConfiguration follow.
52     Return<bool> setSuplEs(bool enabled) override;
53     Return<bool> setSuplVersion(uint32_t version) override;
54     Return<bool> setSuplMode(hidl_bitfield<SuplMode> mode) override;
55     Return<bool> setGpsLock(hidl_bitfield<GpsLock> lock) override;
56     Return<bool> setLppProfile(hidl_bitfield<LppProfile> lppProfile) override;
57     Return<bool> setGlonassPositioningProtocol(hidl_bitfield<GlonassPosProtocol> protocol) override;
58     Return<bool> setEmergencySuplPdn(bool enable) override;
59 
60     // Methods from ::android::hardware::gnss::V1_1::IGnssConfiguration follow.
61     Return<bool> setBlacklist(
62             const hidl_vec<V1_1::IGnssConfiguration::BlacklistedSource>& blacklist) override;
63 
64     std::recursive_mutex& getMutex() const;
65 
66     // Methods from ::android::hardware::gnss::V2_0::IGnssConfiguration follow.
67     Return<bool> setEsExtensionSec(uint32_t emergencyExtensionSeconds) override;
68 
69     // Methods from ::android::hardware::gnss::V2_1::IGnssConfiguration follow.
70     Return<bool> setBlacklist_2_1(
71             const hidl_vec<V2_1::IGnssConfiguration::BlacklistedSource>& blacklist) override;
72 
73     Return<bool> isBlacklistedV2_1(const V2_1::IGnssCallback::GnssSvInfo& gnssSvInfo) const;
74 
75   private:
76     mutable std::recursive_mutex mMutex;
77 
78     BlacklistedSourceSetV2_1 mBlacklistedSourceSet;
79     BlacklistedConstellationSetV2_1 mBlacklistedConstellationSet;
80 };
81 
82 }  // namespace android::hardware::gnss::V2_1::implementation
83