LCOV - code coverage report
Current view: directory - netwerk/protocol/about - nsAboutBloat.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 76 0 0.0 %
Date: 2012-06-02 Functions: 7 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "nsTraceRefcntImpl.h"
      39                 : 
      40                 : // if NS_BUILD_REFCNT_LOGGING isn't defined, don't try to build
      41                 : #ifdef NS_BUILD_REFCNT_LOGGING
      42                 : 
      43                 : #include "nsAboutBloat.h"
      44                 : #include "nsIIOService.h"
      45                 : #include "nsIServiceManager.h"
      46                 : #include "nsStringStream.h"
      47                 : #include "nsXPIDLString.h"
      48                 : #include "nsIURI.h"
      49                 : #include "prtime.h"
      50                 : #include "nsCOMPtr.h"
      51                 : #include "nsIFileStreams.h"
      52                 : #include "nsNetUtil.h"
      53                 : #include "nsDirectoryServiceDefs.h"
      54                 : #include "nsILocalFile.h"
      55                 : 
      56               0 : static void GC_gcollect() {}
      57                 : 
      58               0 : NS_IMPL_ISUPPORTS1(nsAboutBloat, nsIAboutModule)
      59                 : 
      60                 : NS_IMETHODIMP
      61               0 : nsAboutBloat::NewChannel(nsIURI *aURI, nsIChannel **result)
      62                 : {
      63               0 :     NS_ENSURE_ARG_POINTER(aURI);
      64                 :     nsresult rv;
      65               0 :     nsCAutoString path;
      66               0 :     rv = aURI->GetPath(path);
      67               0 :     if (NS_FAILED(rv)) return rv;
      68                 : 
      69               0 :     nsTraceRefcntImpl::StatisticsType statType = nsTraceRefcntImpl::ALL_STATS;
      70               0 :     bool clear = false;
      71               0 :     bool leaks = false;
      72                 : 
      73               0 :     PRInt32 pos = path.Find("?");
      74               0 :     if (pos > 0) {
      75               0 :         nsCAutoString param;
      76               0 :         (void)path.Right(param, path.Length() - (pos+1));
      77               0 :         if (param.EqualsLiteral("new"))
      78               0 :             statType = nsTraceRefcntImpl::NEW_STATS;
      79               0 :         else if (param.EqualsLiteral("clear"))
      80               0 :             clear = true;
      81               0 :         else if (param.EqualsLiteral("leaks"))
      82               0 :             leaks = true;
      83                 :     }
      84                 : 
      85               0 :     nsCOMPtr<nsIInputStream> inStr;
      86               0 :     if (clear) {
      87               0 :         nsTraceRefcntImpl::ResetStatistics();
      88                 : 
      89               0 :         rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
      90               0 :             NS_LITERAL_CSTRING("Bloat statistics cleared."));
      91               0 :         if (NS_FAILED(rv)) return rv;
      92                 :     }
      93               0 :     else if (leaks) {
      94                 :         // dump the current set of leaks.
      95               0 :         GC_gcollect();
      96                 :         
      97               0 :         rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
      98               0 :             NS_LITERAL_CSTRING("Memory leaks dumped."));
      99               0 :         if (NS_FAILED(rv)) return rv;
     100                 :     }
     101                 :     else {
     102               0 :         nsCOMPtr<nsIFile> file;
     103                 :         rv = NS_GetSpecialDirectory(NS_OS_CURRENT_PROCESS_DIR, 
     104               0 :                                     getter_AddRefs(file));       
     105               0 :         if (NS_FAILED(rv)) return rv;
     106                 : 
     107               0 :         rv = file->AppendNative(NS_LITERAL_CSTRING("bloatlogs"));
     108               0 :         if (NS_FAILED(rv)) return rv;
     109                 : 
     110                 :         bool exists;
     111               0 :         rv = file->Exists(&exists);
     112               0 :         if (NS_FAILED(rv)) return rv;
     113                 : 
     114               0 :         if (!exists) {
     115                 :             // On all the platforms that I know use permissions,
     116                 :             // directories need to have the executable flag set
     117                 :             // if you want to do anything inside the directory.
     118               0 :             rv = file->Create(nsIFile::DIRECTORY_TYPE, 0755);
     119               0 :             if (NS_FAILED(rv)) return rv;
     120                 :         }
     121                 : 
     122               0 :         nsCAutoString dumpFileName;
     123               0 :         if (statType == nsTraceRefcntImpl::ALL_STATS)
     124               0 :             dumpFileName.AssignLiteral("all-");
     125                 :         else
     126               0 :             dumpFileName.AssignLiteral("new-");
     127                 :         PRExplodedTime expTime;
     128               0 :         PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &expTime);
     129                 :         char time[128];
     130               0 :         PR_FormatTimeUSEnglish(time, 128, "%Y-%m-%d-%H%M%S.txt", &expTime);
     131               0 :         dumpFileName += time;
     132               0 :         rv = file->AppendNative(dumpFileName);
     133               0 :         if (NS_FAILED(rv)) return rv;
     134                 : 
     135                 :         FILE* out;
     136               0 :         nsCOMPtr<nsILocalFile> lfile = do_QueryInterface(file);
     137               0 :         if (lfile == nsnull)
     138               0 :             return NS_ERROR_FAILURE;
     139               0 :         rv = lfile->OpenANSIFileDesc("w", &out);
     140               0 :         if (NS_FAILED(rv)) return rv;
     141                 : 
     142               0 :         rv = nsTraceRefcntImpl::DumpStatistics(statType, out);
     143               0 :         ::fclose(out);
     144               0 :         if (NS_FAILED(rv)) return rv;
     145                 : 
     146               0 :         rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), file);
     147               0 :         if (NS_FAILED(rv)) return rv;
     148                 :     }
     149                 : 
     150                 :     nsIChannel* channel;
     151                 :     rv = NS_NewInputStreamChannel(&channel, aURI, inStr,
     152               0 :                                   NS_LITERAL_CSTRING("text/plain"),
     153               0 :                                   NS_LITERAL_CSTRING("utf-8"));
     154               0 :     if (NS_FAILED(rv)) return rv;
     155                 : 
     156               0 :     *result = channel;
     157               0 :     return rv;
     158                 : }
     159                 : 
     160                 : NS_IMETHODIMP
     161               0 : nsAboutBloat::GetURIFlags(nsIURI *aURI, PRUint32 *result)
     162                 : {
     163               0 :     *result = 0;
     164               0 :     return NS_OK;
     165                 : }
     166                 : 
     167                 : nsresult
     168               0 : nsAboutBloat::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
     169                 : {
     170               0 :     nsAboutBloat* about = new nsAboutBloat();
     171               0 :     if (about == nsnull)
     172               0 :         return NS_ERROR_OUT_OF_MEMORY;
     173               0 :     NS_ADDREF(about);
     174               0 :     nsresult rv = about->QueryInterface(aIID, aResult);
     175               0 :     NS_RELEASE(about);
     176               0 :     return rv;
     177                 : }
     178                 : 
     179                 : ////////////////////////////////////////////////////////////////////////////////
     180                 : #endif /* NS_BUILD_REFCNT_LOGGING */

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