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- /*
- * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
- #ifndef API_RTC_EVENT_LOG_OUTPUT_FILE_H_
- #define API_RTC_EVENT_LOG_OUTPUT_FILE_H_
- #include <stddef.h>
- #include <stdio.h>
- #include <string>
- #include "api/rtc_event_log_output.h"
- #include "rtc_base/system/file_wrapper.h"
- namespace webrtc {
- class RtcEventLogOutputFile final : public RtcEventLogOutput {
- public:
- static const size_t kMaxReasonableFileSize; // Explanation at declaration.
- // Unlimited/limited-size output file (by filename).
- explicit RtcEventLogOutputFile(const std::string& file_name);
- RtcEventLogOutputFile(const std::string& file_name, size_t max_size_bytes);
- // Limited-size output file (by FILE*). This class takes ownership
- // of the FILE*, and closes it on destruction.
- RtcEventLogOutputFile(FILE* file, size_t max_size_bytes);
- ~RtcEventLogOutputFile() override = default;
- bool IsActive() const override;
- bool Write(const std::string& output) override;
- private:
- RtcEventLogOutputFile(FileWrapper file, size_t max_size_bytes);
- // IsActive() can be called either from outside or from inside, but we don't
- // want to incur the overhead of a virtual function call if called from inside
- // some other function of this class.
- inline bool IsActiveInternal() const;
- // Maximum size, or zero for no limit.
- const size_t max_size_bytes_;
- size_t written_bytes_{0};
- FileWrapper file_;
- };
- } // namespace webrtc
- #endif // API_RTC_EVENT_LOG_OUTPUT_FILE_H_
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