Clients/PrinterSetupWizard/Logger.h

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 1997-2004 Apple Computer, Inc. All rights reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16
  17     Change History (most recent first):
  18
  19 $Log: Logger.h,v $
  20 Revision 1.1  2009/06/11 22:27:15  herscher
  21 <rdar://problem/4458913> Add comprehensive logging during printer installation process.
  22
  23
  24  */
  25
  26 #ifndef _Logger_h
  27 #define _Logger_h
  28
  29 #include <fstream>
  30 #include <string>
  31
  32
  33 class Logger : public std::ofstream
  34 {
  35 public:
  36
  37         Logger();
  38         ~Logger();
  39
  40         std::string
  41         currentTime();
  42 };
  43
  44
  45 #define require_noerr_with_log( LOG, MESSAGE, ERR, LABEL )      \
  46                 do                                              \
  47                 {                                               \
  48                         int_least32_t localErr;                 \
  49                         localErr = (int_least32_t)( ERR );      \
  50                         if( localErr != 0 )                     \
  51                         {                                       \
  52                                 log << log.currentTime() << " [ERROR] " << MESSAGE << " returned " << ERR << std::endl;                                         \
  53                                 log << log.currentTime() << " [WHERE] " << "\"" << __FILE__ << "\", \"" << __FUNCTION__ << "\", line " << __LINE__ << std::endl << std::endl;   \
  54                                 goto LABEL;                     \
  55                         }                                       \
  56                 } while( 0 )
  57
  58
  59 #define require_action_with_log( LOG, X, LABEL, ACTION )        \
  60                 do                                              \
  61                 {                                               \
  62                         if( !( X ) )                            \
  63                         {                                       \
  64                                 log << log.currentTime() << " [ERROR] " << #X << std::endl;     \
  65                                 log << log.currentTime() << " [WHERE] " << "\"" << __FILE__ << "\", \"" << __FUNCTION__ << "\", line " << __LINE__ << std::endl << std::endl;   \
  66                                 { ACTION; }                     \
  67                                 goto LABEL;                     \
  68                         }                                       \
  69                 } while( 0 )
  70
  71 #endif