services/stats/StatsAidl.cpp

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define DEBUG false // STOPSHIP if true
#define LOG_TAG "StatsAidl"

#include <log/log.h>
#include <statslog.h>

#include "StatsAidl.h"

namespace aidl {
namespace android {
namespace frameworks {
namespace stats {

StatsHal::StatsHal() {}

ndk::ScopedAStatus StatsHal::reportVendorAtom(const VendorAtom& vendorAtom) {
    std::string reverseDomainName = (std::string) vendorAtom.reverseDomainName;
    if (vendorAtom.atomId < 100000 || vendorAtom.atomId >= 200000) {
        ALOGE("Atom ID %ld is not a valid vendor atom ID", (long) vendorAtom.atomId);
        return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
            -1, "Not a valid vendor atom ID");
    }
    if (reverseDomainName.length() > 50) {
        ALOGE("Vendor atom reverse domain name %s is too long.", reverseDomainName.c_str());
        return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
            -1, "Vendor atom reverse domain name is too long");
    }
    AStatsEvent* event = AStatsEvent_obtain();
    AStatsEvent_setAtomId(event, vendorAtom.atomId);
    AStatsEvent_writeString(event, vendorAtom.reverseDomainName.c_str());
    for (const auto& atomValue : vendorAtom.values) {
        switch (atomValue.getTag()) {
            case VendorAtomValue::intValue:
                AStatsEvent_writeInt32(event,
                    atomValue.get<VendorAtomValue::intValue>());
                break;
            case VendorAtomValue::longValue:
                AStatsEvent_writeInt64(event,
                    atomValue.get<VendorAtomValue::longValue>());
                break;
            case VendorAtomValue::floatValue:
                AStatsEvent_writeFloat(event,
                    atomValue.get<VendorAtomValue::floatValue>());
                break;
            case VendorAtomValue::stringValue:
                AStatsEvent_writeString(event,
                    atomValue.get<VendorAtomValue::stringValue>().c_str());
                break;
        }
    }
    AStatsEvent_build(event);
    const int ret = AStatsEvent_write(event);
    AStatsEvent_release(event);

    return ret <= 0 ?
            ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ret, "report atom failed") :
            ndk::ScopedAStatus::ok();
}

}  // namespace stats
}  // namespace frameworks
}  // namespace android
}  // namespace aidl