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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PLATFORM_API_TRACE_LOGGING_PLATFORM_H_
#define PLATFORM_API_TRACE_LOGGING_PLATFORM_H_
#include "platform/api/time.h"
#include "platform/base/error.h"
#include "platform/base/trace_logging_activation.h"
#include "platform/base/trace_logging_types.h"
namespace openscreen {
// Optional platform API to support logging trace events from Open Screen. To
// use this, implement the TraceLoggingPlatform interface and call
// StartTracing() and StopTracing() to turn tracing on/off (see
// platform/base/trace_logging_activation.h).
//
// All methods must be thread-safe and re-entrant.
class TraceLoggingPlatform {
public:
virtual ~TraceLoggingPlatform();
// Determines whether trace logging is enabled for the given category.
virtual bool IsTraceLoggingEnabled(TraceCategory::Value category) = 0;
// Log a synchronous trace.
virtual void LogTrace(const char* name,
const uint32_t line,
const char* file,
Clock::time_point start_time,
Clock::time_point end_time,
TraceIdHierarchy ids,
Error::Code error) = 0;
// Log an asynchronous trace start.
virtual void LogAsyncStart(const char* name,
const uint32_t line,
const char* file,
Clock::time_point timestamp,
TraceIdHierarchy ids) = 0;
// Log an asynchronous trace end.
virtual void LogAsyncEnd(const uint32_t line,
const char* file,
Clock::time_point timestamp,
TraceId trace_id,
Error::Code error) = 0;
};
} // namespace openscreen
#endif // PLATFORM_API_TRACE_LOGGING_PLATFORM_H_
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