57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// Licensed under the MIT License.
|
|
|
|
#pragma once
|
|
|
|
namespace CalculatorApp
|
|
{
|
|
constexpr int64_t WINEVENT_KEYWORD_RESPONSE_TIME = 0x1000000000000;
|
|
|
|
// RAII wrapper that automatically sends the Stop event when the class gets destructed.
|
|
class TraceActivity
|
|
{
|
|
public:
|
|
TraceActivity() :
|
|
m_channel(nullptr),
|
|
m_activity(nullptr),
|
|
m_fields(nullptr)
|
|
{ }
|
|
|
|
TraceActivity(
|
|
winrt::Windows::Foundation::Diagnostics::LoggingChannel channel,
|
|
std::wstring_view activityName,
|
|
winrt::Windows::Foundation::Diagnostics::LoggingFields fields) :
|
|
m_channel(channel),
|
|
m_activityName(activityName),
|
|
m_fields(fields),
|
|
m_activity(nullptr)
|
|
{
|
|
// Write the activity's START event. Note that you must not specify keyword
|
|
// or level for START and STOP events because they always use the activity's
|
|
// keyword and level.
|
|
m_activity = m_channel.StartActivity(
|
|
m_activityName,
|
|
m_fields,
|
|
winrt::Windows::Foundation::Diagnostics::LoggingLevel::Verbose,
|
|
winrt::Windows::Foundation::Diagnostics::LoggingOptions(WINEVENT_KEYWORD_RESPONSE_TIME)
|
|
);
|
|
}
|
|
|
|
~TraceActivity()
|
|
{
|
|
if (m_activity != nullptr)
|
|
{
|
|
// Write the activity's STOP event.
|
|
m_activity.StopActivity(m_activityName, m_fields);
|
|
m_activity = nullptr;
|
|
}
|
|
}
|
|
|
|
private:
|
|
std::wstring m_activityName;
|
|
winrt::Windows::Foundation::Diagnostics::LoggingChannel m_channel;
|
|
winrt::Windows::Foundation::Diagnostics::LoggingFields m_fields;
|
|
winrt::Windows::Foundation::Diagnostics::LoggingActivity m_activity;
|
|
};
|
|
}
|