media/mtransport/logging.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 // Original author: ekr@rtfm.com
   8
   9 #ifndef logging_h__
  10 #define logging_h__
  11
  12 #include <sstream>
  13 #include <prlog.h>
  14
  15 #if defined(PR_LOGGING)
  16
  17 #define ML_EMERG            1
  18 #define ML_ERROR            2
  19 #define ML_WARNING          3
  20 #define ML_NOTICE           4
  21 #define ML_INFO             5
  22 #define ML_DEBUG            6
  23
  24 // PR_LOGGING is on --> make useful MTLOG macros
  25 #define MOZ_MTLOG_MODULE(n) \
  26   static PRLogModuleInfo* getLogModule() {      \
  27     static PRLogModuleInfo* log;                \
  28     if (!log)                                   \
  29       log = PR_NewLogModule(n);                 \
  30     return log;                                 \
  31   }
  32
  33 #define MOZ_MTLOG(level, b) \
  34   do {                                                                  \
  35     std::stringstream str;                                              \
  36     str << b;                                                           \
  37     PR_LOG(getLogModule(), level, ("%s", str.str().c_str())); } while(0)
  38
  39 #else
  40 // PR_LOGGING is off --> make no-op MTLOG macros
  41 #define MOZ_MTLOG_MODULE(n)
  42 #define MOZ_MTLOG(level, b)
  43 #endif // defined(PR_LOGGING)
  44
  45 #endif // logging_h__