LCOV - code coverage report
Current view: directory - netwerk/cache - nsCache.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 49 20 40.8 %
Date: 2012-06-02 Functions: 6 4 66.7 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  *
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is nsCache.cpp, released
      17                 :  * March 18, 2001.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is
      20                 :  * Netscape Communications Corporation.
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2001
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      25                 :  *   Gordon Sheridan  <gordon@netscape.com>
      26                 :  *   Patrick C. Beard <beard@netscape.com>
      27                 :  *   Darin Fisher     <darin@netscape.com>
      28                 :  *
      29                 :  * Alternatively, the contents of this file may be used under the terms of
      30                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      31                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      32                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      33                 :  * of those above. If you wish to allow use of your version of this file only
      34                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      35                 :  * use your version of this file under the terms of the MPL, indicate your
      36                 :  * decision by deleting the provisions above and replace them with the notice
      37                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      38                 :  * the provisions above, a recipient may use your version of this file under
      39                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      40                 :  *
      41                 :  * ***** END LICENSE BLOCK ***** */
      42                 : 
      43                 : #include "nsCache.h"
      44                 : #include "nsReadableUtils.h"
      45                 : #include "nsDependentSubstring.h"
      46                 : #include "nsString.h"
      47                 : 
      48                 : 
      49                 : /**
      50                 :  * Cache Service Utility Functions
      51                 :  */
      52                 : 
      53                 : #if defined(PR_LOGGING)
      54                 : PRLogModuleInfo * gCacheLog = nsnull;
      55                 : 
      56                 : 
      57                 : void
      58             269 : CacheLogInit()
      59                 : {
      60             269 :     if (gCacheLog) return;
      61             269 :     gCacheLog = PR_NewLogModule("cache");
      62             269 :     NS_ASSERTION(gCacheLog, "\nfailed to allocate cache log.\n");
      63                 : }
      64                 : 
      65                 : 
      66                 : void
      67             236 : CacheLogPrintPath(PRLogModuleLevel level, const char * format, nsIFile * item)
      68                 : {
      69             472 :     nsCAutoString path;
      70             236 :     nsresult rv = item->GetNativePath(path);
      71             236 :     if (NS_SUCCEEDED(rv)) {
      72             236 :         PR_LOG(gCacheLog, level, (format, path.get()));
      73                 :     } else {
      74               0 :         PR_LOG(gCacheLog, level, ("GetNativePath failed: %x", rv));
      75                 :     }
      76             236 : }
      77                 : 
      78                 : #endif
      79                 : 
      80                 : 
      81                 : PRUint32
      82           11035 : SecondsFromPRTime(PRTime prTime)
      83                 : {
      84                 :   PRInt64  microSecondsPerSecond, intermediateResult;
      85                 :   PRUint32 seconds;
      86                 : 
      87           11035 :   LL_I2L(microSecondsPerSecond, PR_USEC_PER_SEC);
      88           11035 :   LL_DIV(intermediateResult, prTime, microSecondsPerSecond);
      89           11035 :   LL_L2UI(seconds, intermediateResult);
      90           11035 :   return seconds;
      91                 : }
      92                 : 
      93                 : 
      94                 : PRTime
      95             168 : PRTimeFromSeconds(PRUint32 seconds)
      96                 : {
      97                 :   PRInt64 microSecondsPerSecond, intermediateResult;
      98                 :   PRTime  prTime;
      99                 : 
     100             168 :   LL_I2L(microSecondsPerSecond, PR_USEC_PER_SEC);
     101             168 :   LL_UI2L(intermediateResult, seconds);
     102             168 :   LL_MUL(prTime, intermediateResult, microSecondsPerSecond);
     103             168 :   return prTime;
     104                 : }
     105                 : 
     106                 : 
     107                 : nsresult
     108               0 : ClientIDFromCacheKey(const nsACString&  key, char ** result)
     109                 : {
     110               0 :     nsresult  rv = NS_OK;
     111               0 :     *result = nsnull;
     112                 : 
     113               0 :     nsReadingIterator<char> colon;
     114               0 :     key.BeginReading(colon);
     115                 :         
     116               0 :     nsReadingIterator<char> start;
     117               0 :     key.BeginReading(start);
     118                 :         
     119               0 :     nsReadingIterator<char> end;
     120               0 :     key.EndReading(end);
     121                 :         
     122               0 :     if (FindCharInReadable(':', colon, end)) {
     123               0 :         *result = ToNewCString( Substring(start, colon));
     124               0 :         if (!*result) rv = NS_ERROR_OUT_OF_MEMORY;
     125                 :     } else {
     126               0 :         NS_ASSERTION(false, "FindCharInRead failed to find ':'");
     127               0 :         rv = NS_ERROR_UNEXPECTED;
     128                 :     }
     129               0 :     return rv;
     130                 : }
     131                 : 
     132                 : 
     133                 : nsresult
     134               0 : ClientKeyFromCacheKey(const nsCString& key, nsACString &result)
     135                 : {
     136               0 :     nsresult  rv = NS_OK;
     137                 : 
     138               0 :     nsReadingIterator<char> start;
     139               0 :     key.BeginReading(start);
     140                 :         
     141               0 :     nsReadingIterator<char> end;
     142               0 :     key.EndReading(end);
     143                 :         
     144               0 :     if (FindCharInReadable(':', start, end)) {
     145               0 :         ++start;  // advance past clientID ':' delimiter
     146               0 :         result.Assign(Substring(start, end));
     147                 :     } else {
     148               0 :         NS_ASSERTION(false, "FindCharInRead failed to find ':'");
     149               0 :         rv = NS_ERROR_UNEXPECTED;
     150               0 :         result.Truncate(0);
     151                 :     }
     152               0 :     return rv;
     153                 : }

Generated by: LCOV version 1.7