1 /*
2 * Copyright (C) 2021 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 #define LOG_TAG "ServerFlag"
18
19 #include "ServerFlag.h"
20
21 #include <android-base/logging.h>
22 #include <android-base/parsebool.h>
23 #include <android-base/parseint.h>
24 #include <nnapi/Types.h>
25 #include <stdint.h>
26
27 #include <string>
28
29 #if !defined(NN_COMPATIBILITY_LIBRARY_BUILD) && !defined(NN_EXPERIMENTAL_FEATURE)
30 #include <server_configurable_flags/get_flags.h>
31 #endif // !defined(NN_COMPATIBILITY_LIBRARY_BUILD) && !defined(NN_EXPERIMENTAL_FEATURE)
32
33 namespace android::nn {
34
35 #ifndef NN_COMPATIBILITY_LIBRARY_BUILD
36 #ifndef NN_EXPERIMENTAL_FEATURE
getServerFeatureLevelFlag()37 int64_t getServerFeatureLevelFlag() {
38 return getServerFeatureLevelFlag(server_configurable_flags::GetServerConfigurableFlag);
39 }
40
getServerTelemetryEnableFlag()41 bool getServerTelemetryEnableFlag() {
42 return getServerTelemetryEnableFlag(server_configurable_flags::GetServerConfigurableFlag);
43 }
44 #endif // NN_EXPERIMENTAL_FEATURE
45
getServerFeatureLevelFlag(GetServerConfigurableFlagFunc serverFunc)46 int64_t getServerFeatureLevelFlag(GetServerConfigurableFlagFunc serverFunc) {
47 const std::string featureLevelString =
48 serverFunc(kExprCategoryName, kCurrentFeatureLevelFlagName,
49 std::to_string(kDefaultFeatureLevelNum));
50
51 int64_t featureLevel = kDefaultFeatureLevelNum;
52 const bool success = base::ParseInt(featureLevelString, &featureLevel, kMinFeatureLevelNum,
53 kMaxFeatureLevelNum);
54 if (!success) {
55 LOG(WARNING) << "Failed to parse result of GetServerConfigurableFlag, errno=" << errno;
56 }
57 return featureLevel;
58 }
59
getServerTelemetryEnableFlag(GetServerConfigurableFlagFunc serverFunc)60 bool getServerTelemetryEnableFlag(GetServerConfigurableFlagFunc serverFunc) {
61 const std::string telemetryEnabledString =
62 serverFunc(kExprCategoryName, kTelemetryEnableFlagName,
63 std::to_string(kDefaultTelemetryEnableValue));
64
65 const auto parseBoolResult = base::ParseBool(telemetryEnabledString);
66 switch (parseBoolResult) {
67 case base::ParseBoolResult::kError:
68 LOG(WARNING) << "Failed to parse result of GetServerConfigurableFlag";
69 return kDefaultTelemetryEnableValue;
70 case base::ParseBoolResult::kFalse:
71 return false;
72 case base::ParseBoolResult::kTrue:
73 return true;
74 }
75 LOG(WARNING) << "Unrecognized return from base::ParseBool: "
76 << static_cast<int32_t>(parseBoolResult);
77 return kDefaultTelemetryEnableValue;
78 }
79
80 #endif // NN_COMPATIBILITY_LIBRARY_BUILD
81
serverFeatureLevelToVersion(int64_t serverFeatureLevel)82 Version serverFeatureLevelToVersion(int64_t serverFeatureLevel) {
83 Version version;
84 switch (serverFeatureLevel) {
85 case 5:
86 return kVersionFeatureLevel5;
87 case 6:
88 return kVersionFeatureLevel6;
89 case 7:
90 return kVersionFeatureLevel7;
91 case 8:
92 return kVersionFeatureLevel8;
93 default:
94 LOG(FATAL) << "Invalid feature level flag value " << serverFeatureLevel;
95 return {};
96 }
97 }
98
99 } // namespace android::nn
100