1 /*
2 * Copyright (C) 2024 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 #include "pixelstats-display.h"
18 #include <aidl/android/frameworks/stats/IStats.h>
19 #include <hardware/google/pixel/pixelstats/pixelatoms.pb.h>
20 #include "pixelatoms_defs.h"
21
22 #include <android-base/logging.h>
23 #include <android/binder_manager.h>
24 #include <android/binder_process.h>
25 #include <sys/types.h>
26 #include <utils/Errors.h>
27
28 namespace PixelAtoms = hardware::google::pixel::PixelAtoms;
29
getStatsService()30 std::shared_ptr<IStats> getStatsService() {
31 const std::string instance = std::string() + IStats::descriptor + "/default";
32 static std::mutex mutex;
33 static bool isStatsDeclared = false;
34
35 const std::lock_guard<std::mutex> lock(mutex);
36 if (!isStatsDeclared) {
37 isStatsDeclared = AServiceManager_isDeclared(instance.c_str());
38 if (!isStatsDeclared) {
39 LOG(ERROR) << "Stats service is not registered.";
40 return nullptr;
41 }
42 }
43
44 return IStats::fromBinder(ndk::SpAIBinder(AServiceManager_getService(instance.c_str())));
45 }
46
reportDisplayPortUsage(uint32_t width,uint32_t height,float refreshRate,uint32_t vendorId,uint32_t productId,bool enabled)47 void reportDisplayPortUsage(uint32_t width, uint32_t height, float refreshRate, uint32_t vendorId,
48 uint32_t productId, bool enabled) {
49 const std::shared_ptr<IStats> stats_client = getStatsService();
50 if (!stats_client) {
51 LOG(ERROR) << "Unable to get AIDL Stats service";
52 return;
53 }
54
55 std::vector<VendorAtomValue> values;
56 VendorAtomValue tmp;
57 tmp.set<VendorAtomValue::intValue>(width);
58 values.push_back(tmp);
59 tmp.set<VendorAtomValue::intValue>(height);
60 values.push_back(tmp);
61 tmp.set<VendorAtomValue::floatValue>(refreshRate);
62 values.push_back(tmp);
63 tmp.set<VendorAtomValue::intValue>(vendorId);
64 values.push_back(tmp);
65 tmp.set<VendorAtomValue::intValue>(productId);
66 values.push_back(tmp);
67 tmp.set<VendorAtomValue::boolValue>(enabled);
68 values.push_back(tmp);
69
70 VendorAtom event = {.atomId = PixelAtoms::DISPLAY_PORT_USAGE, .values = std::move(values)};
71 const ndk::ScopedAStatus ret = stats_client->reportVendorAtom(event);
72 if (!ret.isOk()) LOG(ERROR) << "Unable to report DisplayPortUsage to IStats service";
73 }
74