base/fuchsia/fuchsia_logging.h

   1 // Copyright 2017 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BASE_FUCHSIA_FUCHSIA_LOGGING_H_
   6 #define BASE_FUCHSIA_FUCHSIA_LOGGING_H_
   7
   8 #include <zircon/types.h>
   9
  10 #include "base/base_export.h"
  11 #include "base/logging.h"
  12 #include "base/macros.h"
  13 #include "build/build_config.h"
  14
  15 // Use the ZX_LOG family of macros along with a zx_status_t containing a Zircon
  16 // error. The error value will be decoded so that logged messages explain the
  17 // error.
  18
  19 namespace logging {
  20
  21 class BASE_EXPORT ZxLogMessage : public logging::LogMessage {
  22  public:
  23   ZxLogMessage(const char* file_path,
  24                int line,
  25                LogSeverity severity,
  26                zx_status_t zx_err);
  27   ~ZxLogMessage();
  28
  29  private:
  30   zx_status_t zx_err_;
  31
  32   DISALLOW_COPY_AND_ASSIGN(ZxLogMessage);
  33 };
  34
  35 }  // namespace logging
  36
  37 #define ZX_LOG_STREAM(severity, zx_err) \
  38   COMPACT_GOOGLE_LOG_EX_##severity(ZxLogMessage, zx_err).stream()
  39
  40 #define ZX_LOG(severity, zx_err) \
  41   LAZY_STREAM(ZX_LOG_STREAM(severity, zx_err), LOG_IS_ON(severity))
  42 #define ZX_LOG_IF(severity, condition, zx_err) \
  43   LAZY_STREAM(ZX_LOG_STREAM(severity, zx_err), \
  44               LOG_IS_ON(severity) && (condition))
  45
  46 #define ZX_CHECK(condition, zx_err)                       \
  47   LAZY_STREAM(ZX_LOG_STREAM(FATAL, zx_err), !(condition)) \
  48       << "Check failed: " #condition << ". "
  49
  50 #define ZX_DLOG(severity, zx_err) \
  51   LAZY_STREAM(ZX_LOG_STREAM(severity, zx_err), DLOG_IS_ON(severity))
  52
  53 #if DCHECK_IS_ON()
  54 #define ZX_DLOG_IF(severity, condition, zx_err) \
  55   LAZY_STREAM(ZX_LOG_STREAM(severity, zx_err),  \
  56               DLOG_IS_ON(severity) && (condition))
  57 #else  // DCHECK_IS_ON()
  58 #define ZX_DLOG_IF(severity, condition, zx_err) EAT_STREAM_PARAMETERS
  59 #endif  // DCHECK_IS_ON()
  60
  61 #define ZX_DCHECK(condition, zx_err)                                         \
  62   LAZY_STREAM(ZX_LOG_STREAM(DCHECK, zx_err), DCHECK_IS_ON() && !(condition)) \
  63       << "Check failed: " #condition << ". "
  64
  65 #endif  // BASE_FUCHSIA_FUCHSIA_LOGGING_H_