PrefetchLog.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_PrefetchLog_h

#define mozilla_dom_PrefetchLog_h

#include "mozilla/Logging.h"

// Log module for Speculation Rules prefetch (DOM + Necko).

//

// To enable:

//

//   MOZ_LOG=SpeculationRules:5

//   MOZ_LOG_FILE=speculation-rules.log

//

// Level 5 (Verbose) prints lifecycle + algorithm decisions; lower levels

// scope to warnings/errors. See Mozilla Logging.h for level semantics.

//

// Spec: https://wicg.github.io/nav-speculation/prefetch.html

namespace mozilla::dom {

extern LazyLogModule gSpeculationRulesLog;

}  // namespace mozilla::dom

// Convenience macros mirroring the netwerk/protocol/http style:

//   LOG_SPECRULES(("foo %s", bar));        // Debug level

//   LOG_SPECRULES_V(("verbose %s", bar));  // Verbose level

#define LOG_SPECRULES(args) \

  MOZ_LOG(mozilla::dom::gSpeculationRulesLog, mozilla::LogLevel::Debug, args)

#define LOG_SPECRULES_V(args) \

  MOZ_LOG(mozilla::dom::gSpeculationRulesLog, mozilla::LogLevel::Verbose, args)

#define LOG_SPECRULES_WARN(args) \

  MOZ_LOG(mozilla::dom::gSpeculationRulesLog, mozilla::LogLevel::Warning, args)

#define LOG_SPECRULES_ERROR(args) \

  MOZ_LOG(mozilla::dom::gSpeculationRulesLog, mozilla::LogLevel::Error, args)

#define LOG_SPECRULES_ENABLED() \

  MOZ_LOG_TEST(mozilla::dom::gSpeculationRulesLog, mozilla::LogLevel::Debug)

#endif  // mozilla_dom_PrefetchLog_h