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