xref: /foundation/multimedia/av_codec/services/dfx/include/avcodec_xcollie.h

/*
 * Copyright (C) 2023 Huawei Device Co., Ltd.
 * 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.
 */

#ifndef AVCODEC_XCOLLIE_H
#define AVCODEC_XCOLLIE_H

#include <string>
#include <map>
#include <mutex>

namespace OHOS {
namespace MediaAVCodec {
class __attribute__((visibility("default"))) AVCodecXCollie {
public:
    static AVCodecXCollie &GetInstance();
    uint64_t SetTimer(const std::string &name, bool isService, bool recovery, uint32_t timeout);
    void CancelTimer(uint64_t index);
    int32_t Dump(int32_t fd);
    constexpr static uint32_t timerTimeout = 10;
private:
    AVCodecXCollie() = default;
    ~AVCodecXCollie() = default;
    void ServiceTimerCallback(void *data);
    void ClientTimerCallback(void *data);

    std::mutex mutex_;
    uint64_t dumperIndex_ = 1;
    std::map<int32_t, std::pair<int32_t, std::string>> dfxDumper_;
    uint32_t threadDeadlockCount_ = 0;
};

class __attribute__((visibility("hidden"))) AVCodecXcollieTimer {
public:
    AVCodecXcollieTimer(const std::string &name, bool isService = true,
        bool recovery = false, uint32_t timeout = 30)
    {
        index_ = AVCodecXCollie::GetInstance().SetTimer(name, isService, recovery, timeout);
    };

    ~AVCodecXcollieTimer()
    {
        AVCodecXCollie::GetInstance().CancelTimer(index_);
    }
private:
    uint64_t index_ = 0;
};

#define COLLIE_LISTEN(statement, args...) { AVCodecXcollieTimer xCollie(args); statement; }
#define CLIENT_COLLIE_LISTEN(statement, name) { AVCodecXcollieTimer xCollie(name, false, false, 30); statement; }
} // namespace MediaAVCodec
} // namespace OHOS
#endif // AVCODEC_XCOLLIE_H