nsprpub/pr/tests/logger.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 /*
   7  * File:        logger.c
   8  * Description: test program for logging's basic functions
   9  */
  10
  11 #include "prinit.h"
  12 #include "prlog.h"
  13 #include "prlock.h"
  14 #include "prcvar.h"
  15 #include "prthread.h"
  16 #include "prinrval.h"
  17
  18 #include <stdio.h>
  19
  20 /* lth. re-define PR_LOG() */
  21 #if 0
  22 #undef PR_LOG_TEST
  23 #undef PR_LOG
  24 #define PR_LOG_TEST(_module,_level) ((_module)->level <= (_level))
  25 #define PR_LOG(_module,_level,_args)    \
  26   {                                     \
  27     if (PR_LOG_TEST(_module,_level))    \
  28        PR_LogPrint _args   ;             \
  29   }
  30 #endif
  31
  32
  33 static void Error(const char* msg)
  34 {
  35     printf("\t%s\n", msg);
  36 }  /* Error */
  37
  38 static void PR_CALLBACK forked(void *arg)
  39 {
  40     PRIntn i;
  41     PRLock *ml;
  42     PRCondVar *cv;
  43
  44     PR_LogPrint("%s logging creating mutex\n", (const char*)arg);
  45     ml = PR_NewLock();
  46     PR_LogPrint("%s logging creating condition variable\n", (const char*)arg);
  47     cv = PR_NewCondVar(ml);
  48
  49     PR_LogPrint("%s waiting on condition timeout 10 times\n", (const char*)arg);
  50     for (i = 0; i < 10; ++i)
  51     {
  52         PR_Lock(ml);
  53         PR_WaitCondVar(cv, PR_SecondsToInterval(1));
  54         PR_Unlock(ml);
  55     }
  56
  57     PR_LogPrint("%s logging destroying condition variable\n", (const char*)arg);
  58     PR_DestroyCondVar(cv);
  59     PR_LogPrint("%s logging destroying mutex\n", (const char*)arg);
  60     PR_DestroyLock(ml);
  61     PR_LogPrint("%s forked thread exiting\n", (const char*)arg);
  62 }
  63
  64 static void UserLogStuff( void )
  65 {
  66     PRLogModuleInfo *myLM;
  67     PRIntn i;
  68
  69     myLM = PR_NewLogModule( "userStuff" );
  70     if (! myLM )
  71     {
  72         printf("UserLogStuff(): can't create new log module\n" );
  73         return;
  74     }
  75
  76     PR_LOG( myLM, PR_LOG_NOTICE, ("Log a Notice %d\n", 1 ));
  77
  78     for (i = 0; i < 10 ; i++ )
  79     {
  80         PR_LOG( myLM, PR_LOG_DEBUG, ("Log Debug number: %d\n", i));
  81         PR_Sleep( 300 );
  82     }
  83
  84 } /* end UserLogStuff() */
  85
  86 int main(int argc, char **argv)
  87 {
  88     PRThread *thread;
  89
  90     PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
  91     PR_STDIO_INIT();
  92
  93     if (argc > 1)
  94     {
  95         if (!PR_SetLogFile(argv[1]))
  96         {
  97             Error("Access: Cannot create log file");
  98             goto exit;
  99         }
 100     }
 101
 102     /* Start logging something here */
 103     PR_LogPrint("%s logging into %s\n", argv[0], argv[1]);
 104
 105     PR_LogPrint("%s creating new thread\n", argv[0]);
 106
 107     /*
 108     ** Now change buffering.
 109     */
 110     PR_SetLogBuffering( 65500 );
 111     thread = PR_CreateThread(
 112                  PR_USER_THREAD, forked, (void*)argv[0], PR_PRIORITY_NORMAL,
 113                  PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
 114     PR_LogPrint("%s joining thread\n", argv[0]);
 115
 116     UserLogStuff();
 117
 118     PR_JoinThread(thread);
 119
 120     PR_LogFlush();
 121     return 0;
 122
 123 exit:
 124     return -1;
 125 }
 126
 127 /* logger.c */