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From cos...@apache.org
Subject cvs commit: jakarta-tomcat-connectors/jk/native2/common jk_logger_file.c
Date Sat, 01 Dec 2001 22:36:49 GMT
costin      01/12/01 14:36:49

  Added:       jk/native2/common jk_logger_file.c
  Log:
  The logger - using virtual functions.
  
  l->jkLog(l, ... ) should be used instead of jk_log( l, ... ).
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-connectors/jk/native2/common/jk_logger_file.c
  
  Index: jk_logger_file.c
  ===================================================================
  /* ========================================================================= *
   *                                                                           *
   *                 The Apache Software License,  Version 1.1                 *
   *                                                                           *
   *          Copyright (c) 1999-2001 The Apache Software Foundation.          *
   *                           All rights reserved.                            *
   *                                                                           *
   * ========================================================================= *
   *                                                                           *
   * Redistribution and use in source and binary forms,  with or without modi- *
   * fication, are permitted provided that the following conditions are met:   *
   *                                                                           *
   * 1. Redistributions of source code  must retain the above copyright notice *
   *    notice, this list of conditions and the following disclaimer.          *
   *                                                                           *
   * 2. Redistributions  in binary  form  must  reproduce the  above copyright *
   *    notice,  this list of conditions  and the following  disclaimer in the *
   *    documentation and/or other materials provided with the distribution.   *
   *                                                                           *
   * 3. The end-user documentation  included with the redistribution,  if any, *
   *    must include the following acknowlegement:                             *
   *                                                                           *
   *       "This product includes  software developed  by the Apache  Software *
   *        Foundation <http://www.apache.org/>."                              *
   *                                                                           *
   *    Alternately, this acknowlegement may appear in the software itself, if *
   *    and wherever such third-party acknowlegements normally appear.         *
   *                                                                           *
   * 4. The names  "The  Jakarta  Project",  "Jk",  and  "Apache  Software     *
   *    Foundation"  must not be used  to endorse or promote  products derived *
   *    from this  software without  prior  written  permission.  For  written *
   *    permission, please contact <apache@apache.org>.                        *
   *                                                                           *
   * 5. Products derived from this software may not be called "Apache" nor may *
   *    "Apache" appear in their names without prior written permission of the *
   *    Apache Software Foundation.                                            *
   *                                                                           *
   * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES *
   * INCLUDING, BUT NOT LIMITED TO,  THE IMPLIED WARRANTIES OF MERCHANTABILITY *
   * AND FITNESS FOR  A PARTICULAR PURPOSE  ARE DISCLAIMED.  IN NO EVENT SHALL *
   * THE APACHE  SOFTWARE  FOUNDATION OR  ITS CONTRIBUTORS  BE LIABLE  FOR ANY *
   * DIRECT,  INDIRECT,   INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR  CONSEQUENTIAL *
   * DAMAGES (INCLUDING,  BUT NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE GOODS *
   * OR SERVICES;  LOSS OF USE,  DATA,  OR PROFITS;  OR BUSINESS INTERRUPTION) *
   * HOWEVER CAUSED AND  ON ANY  THEORY  OF  LIABILITY,  WHETHER IN  CONTRACT, *
   * STRICT LIABILITY, OR TORT  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *
   * ANY  WAY  OUT OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF  ADVISED  OF THE *
   * POSSIBILITY OF SUCH DAMAGE.                                               *
   *                                                                           *
   * ========================================================================= *
   *                                                                           *
   * This software  consists of voluntary  contributions made  by many indivi- *
   * duals on behalf of the  Apache Software Foundation.  For more information *
   * on the Apache Software Foundation, please see <http://www.apache.org/>.   *
   *                                                                           *
   * ========================================================================= */
  
  /***************************************************************************
   * Description: Utility functions (mainly configuration)                   *
   * Author:      Gal Shachor <shachor@il.ibm.com>                           *
   * Author:      Henri Gomez <hgomez@slib.fr>                               *
   * Version:     $Revision: 1.1 $                                           *
   ***************************************************************************/
  
  #include "jk_util.h"
  #include "jk_env.h"
  #include "jk_map.h"
  #include "jk_logger.h"
  #include <stdio.h>
  
  #define LOG_FORMAT		    ("log_format")
  
  #define HUGE_BUFFER_SIZE (8*1024)
  #define LOG_LINE_SIZE    (1024)
  
  /* 
   * define the log format, we're using by default the one from error.log 
   *
   * [Mon Mar 26 19:44:48 2001] [jk_uri_worker_map.c (155)]: Into jk_uri_worker_map_t::uri_worker_map_alloc
   * log format used by apache in error.log
   */
  #ifndef JK_TIME_FORMAT 
  #define JK_TIME_FORMAT "[%a %b %d %H:%M:%S %Y] "
  #endif
  
  const char * jk_logger_file_logFmt = JK_TIME_FORMAT;
  
  static void jk_logger_file_setTimeStr(char * str, int len)
  {
  	time_t		t = time(NULL);
      	struct tm 	*tms;
  
      	tms = gmtime(&t);
          if( tms==NULL ) return;
  	strftime(str, len, jk_logger_file_logFmt, tms);
  }
  
  static int jk_logger_file_log(jk_logger_t *l,                                 
                                int level,
                                const char *what)
  {
      if(l && l->level <= level && l->logger_private && what)
{       
          unsigned sz = strlen(what);
          if(sz) {
              FILE *f = (FILE *)l->logger_private;
              fwrite(what, 1, sz, f);
  	    /* [V] Flush the dam' thing! */
  	    fflush(f);
          }
  
          return JK_TRUE;
      }
  
      return JK_FALSE;
  }
  
  static int jk_logger_file_parseLogLevel(const char *level)
  {
      if(0 == strcasecmp(level, JK_LOG_INFO_VERB)) {
          return JK_LOG_INFO_LEVEL;
      }
  
      if(0 == strcasecmp(level, JK_LOG_ERROR_VERB)) {
          return JK_LOG_ERROR_LEVEL;
      }
  
      if(0 == strcasecmp(level, JK_LOG_EMERG_VERB)) {
          return JK_LOG_EMERG_LEVEL;
      }
  
      return JK_LOG_DEBUG_LEVEL;
  }
  
  static int jk_logger_file_open(jk_logger_t *_this,
                                 jk_map_t *properties )
  {
      char *file=map_getStrProp(properties,"logger","file",
                                "file","mod_jk.log");
      int level=map_getIntProp(properties,"logger","file",
                               "level", 0);
      char *logformat=map_getIntProp(properties,"logger","file",
                                     "timeFormat", JK_TIME_FORMAT);
      FILE *f;
  
      jk_logger_file_logFmt = logformat;
  
      _this->level = level;
      
      f = fopen(file, "a+");
      if(!f) {
          return JK_FALSE;
      }
      _this->logger_private = f;
      return JK_TRUE;
  }
  
  static int jk_logger_file_close(jk_logger_t *_this)
  {
      FILE *f = _this->logger_private;
      if( f==NULL ) return JK_TRUE;
      
      fflush(f);
      fclose(f);
      _this->logger_private=NULL;
  
      /*     free(_this); */
      return JK_TRUE;
  }
  
  static int jk_logger_file_jkLog(jk_logger_t *l,
                                  const char *file,
                                  int line,
                                  int level,
                                  const char *fmt, ...)
  {
      int rc = 0;
      
      if( !file || !fmt) {
          return -1;
      }
  
      if(l==NULL ||
         l->level <= level) {
  #ifdef NETWARE
  /* On NetWare, this can get called on a thread that has a limited stack so */
  /* we will allocate and free the temporary buffer in this function         */
          char *buf;
  #else
          char buf[HUGE_BUFFER_SIZE];
  #endif
          char *f = (char *)(file + strlen(file) - 1);
          va_list args;
          int used = 0;
  
          while(f != file && '\\' != *f && '/' != *f) {
              f--;
          }
          if(f != file) {
              f++;
          }
  
  #ifdef WIN32
  	set_time_str(buf, HUGE_BUFFER_SIZE);
  	used = strlen(buf);
          used += _snprintf(&buf[used], HUGE_BUFFER_SIZE, " [%s (%d)]: ", f, line);  
     
  #elif defined(NETWARE) /* until we get a snprintf function */
          buf = (char *) malloc(HUGE_BUFFER_SIZE);
          if (NULL == buf)
             return -1;
  
  	set_time_str(buf, HUGE_BUFFER_SIZE);
  	used = strlen(buf);
          used += sprintf(&buf[used], " [%s (%d)]: ", f, line);
  #else 
  	jk_logger_file_setTimeStr(buf, HUGE_BUFFER_SIZE);
  	used = strlen(buf);
          used += snprintf(&buf[used], HUGE_BUFFER_SIZE, " [%s (%d)]: ", f, line);   
    
  #endif
          if(used < 0) {
              return 0; /* [V] not sure what to return... */
          }
      
          va_start(args, fmt);
  #ifdef WIN32
          rc = _vsnprintf(buf + used, HUGE_BUFFER_SIZE - used, fmt, args);
  #elif defined(NETWARE) /* until we get a vsnprintf function */
          rc = vsprintf(buf + used, fmt, args);
  #else 
          rc = vsnprintf(buf + used, HUGE_BUFFER_SIZE - used, fmt, args);
  #endif
          va_end(args);
          if( l!=NULL ) {        
              l->log(l, level, buf);
          } else {
              /* This is usefull to debug what happens before logger is set.
                 On apache you need -X option ( no detach, single process ) */
              printf("%s", buf );
          }
  #ifdef NETWARE
          free(buf);
  #endif
      }
      
      return rc;
  }
  
  
  static int jk_logger_file_fileExists(const char *f)
  {
      if(f) {
          struct stat st;
          if((0 == stat(f, &st)) && (st.st_mode & S_IFREG)) {
              return JK_TRUE;
          }
      }
      return JK_FALSE;
  }
  
  int jk_logger_file_factory(jk_env_t *env,
                             void **result,
                             char *type,
                             char *name)
  {
      jk_logger_t *l = (jk_logger_t *)malloc(sizeof(jk_logger_t));
  
      if(l==NULL ) {
          return JK_FALSE;
      }
  
      l->log = jk_logger_file_log;
      l->logger_private = NULL;
  
      *result=(void *)l;
  
      return JK_TRUE;
  }
  
  
  
  

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