cef/include/capi/cef_trace_capi.h

// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
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//
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// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool and should not edited
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
// $hash=b1b96b7cb636afbd201b88bc1544afc58099c0b6$
//

#ifndef CEF_INCLUDE_CAPI_CEF_TRACE_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_TRACE_CAPI_H_
#pragma once

#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_callback_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

///
// Implement this structure to receive notification when tracing has completed.
// The functions of this structure will be called on the browser process UI
// thread.
///
typedef struct _cef_end_tracing_callback_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // Called after all processes have sent their trace data. |tracing_file| is
  // the path at which tracing data was written. The client is responsible for
  // deleting |tracing_file|.
  ///
  void(CEF_CALLBACK* on_end_tracing_complete)(
      struct _cef_end_tracing_callback_t* self,
      const cef_string_t* tracing_file);
} cef_end_tracing_callback_t;

///
// Start tracing events on all processes. Tracing is initialized asynchronously
// and |callback| will be executed on the UI thread after initialization is
// complete.
//
// If CefBeginTracing was called previously, or if a CefEndTracingAsync call is
// pending, CefBeginTracing will fail and return false (0).
//
// |categories| is a comma-delimited list of category wildcards. A category can
// have an optional '-' prefix to make it an excluded category. Having both
// included and excluded categories in the same list is not supported.
//
// Example: "test_MyTest*" Example: "test_MyTest*,test_OtherStuff" Example:
// "-excluded_category1,-excluded_category2"
//
// This function must be called on the browser process UI thread.
///
CEF_EXPORT int cef_begin_tracing(const cef_string_t* categories,
                                 struct _cef_completion_callback_t* callback);

///
// Stop tracing events on all processes.
//
// This function will fail and return false (0) if a previous call to
// CefEndTracingAsync is already pending or if CefBeginTracing was not called.
//
// |tracing_file| is the path at which tracing data will be written and
// |callback| is the callback that will be executed once all processes have sent
// their trace data. If |tracing_file| is NULL a new temporary file path will be
// used. If |callback| is NULL no trace data will be written.
//
// This function must be called on the browser process UI thread.
///
CEF_EXPORT int cef_end_tracing(const cef_string_t* tracing_file,
                               cef_end_tracing_callback_t* callback);

///
// Returns the current system trace time or, if none is defined, the current
// high-res time. Can be used by clients to synchronize with the time
// information in trace events.
///
CEF_EXPORT int64 cef_now_from_system_trace_time();

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_TRACE_CAPI_H_