80 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (c) 2014 GitHub, Inc.
 | 
						|
// Use of this source code is governed by the MIT license that can be
 | 
						|
// found in the LICENSE file.
 | 
						|
 | 
						|
#include <set>
 | 
						|
#include <string>
 | 
						|
 | 
						|
#include "atom/common/native_mate_converters/callback.h"
 | 
						|
#include "atom/common/native_mate_converters/file_path_converter.h"
 | 
						|
#include "base/bind.h"
 | 
						|
#include "base/files/file_util.h"
 | 
						|
#include "content/public/browser/tracing_controller.h"
 | 
						|
#include "native_mate/dictionary.h"
 | 
						|
 | 
						|
#include "atom/common/node_includes.h"
 | 
						|
 | 
						|
using content::TracingController;
 | 
						|
 | 
						|
namespace mate {
 | 
						|
 | 
						|
template<>
 | 
						|
struct Converter<base::trace_event::TraceConfig> {
 | 
						|
  static bool FromV8(v8::Isolate* isolate,
 | 
						|
                     v8::Local<v8::Value> val,
 | 
						|
                     base::trace_event::TraceConfig* out) {
 | 
						|
    Dictionary options;
 | 
						|
    if (!ConvertFromV8(isolate, val, &options))
 | 
						|
      return false;
 | 
						|
    std::string category_filter, trace_options;
 | 
						|
    if (!options.Get("categoryFilter", &category_filter) ||
 | 
						|
        !options.Get("traceOptions", &trace_options))
 | 
						|
      return false;
 | 
						|
    *out = base::trace_event::TraceConfig(category_filter, trace_options);
 | 
						|
    return true;
 | 
						|
  }
 | 
						|
};
 | 
						|
 | 
						|
}  // namespace mate
 | 
						|
 | 
						|
namespace {
 | 
						|
 | 
						|
using CompletionCallback = base::Callback<void(const base::FilePath&)>;
 | 
						|
 | 
						|
scoped_refptr<TracingController::TraceDataSink> GetTraceDataSink(
 | 
						|
    const base::FilePath& path, const CompletionCallback& callback) {
 | 
						|
  base::FilePath result_file_path = path;
 | 
						|
  if (result_file_path.empty() && !base::CreateTemporaryFile(&result_file_path))
 | 
						|
    LOG(ERROR) << "Creating temporary file failed";
 | 
						|
 | 
						|
  return TracingController::CreateFileSink(result_file_path,
 | 
						|
                                           base::Bind(callback,
 | 
						|
                                                      result_file_path));
 | 
						|
}
 | 
						|
 | 
						|
void StopRecording(const base::FilePath& path,
 | 
						|
                   const CompletionCallback& callback) {
 | 
						|
  TracingController::GetInstance()->StopTracing(
 | 
						|
      GetTraceDataSink(path, callback));
 | 
						|
}
 | 
						|
 | 
						|
void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
 | 
						|
                v8::Local<v8::Context> context, void* priv) {
 | 
						|
  auto controller = base::Unretained(TracingController::GetInstance());
 | 
						|
  mate::Dictionary dict(context->GetIsolate(), exports);
 | 
						|
  dict.SetMethod("getCategories", base::Bind(
 | 
						|
      &TracingController::GetCategories, controller));
 | 
						|
  dict.SetMethod("startRecording", base::Bind(
 | 
						|
      &TracingController::StartTracing, controller));
 | 
						|
  dict.SetMethod("stopRecording", &StopRecording);
 | 
						|
  dict.SetMethod("getTraceBufferUsage", base::Bind(
 | 
						|
      &TracingController::GetTraceBufferUsage, controller));
 | 
						|
  dict.SetMethod("setWatchEvent", base::Bind(
 | 
						|
      &TracingController::SetWatchEvent, controller));
 | 
						|
  dict.SetMethod("cancelWatchEvent", base::Bind(
 | 
						|
      &TracingController::CancelWatchEvent, controller));
 | 
						|
}
 | 
						|
 | 
						|
}  // namespace
 | 
						|
 | 
						|
NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_browser_content_tracing, Initialize)
 |