toolkit/xre/nsConsoleWriter.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is the Mozilla Toolkit.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Benjamin Smedberg <benjamin@smedbergs.us>
  18  * Portions created by the Initial Developer are Copyright (C) 2005
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *
  23  * Alternatively, the contents of this file may be used under the terms of
  24  * either the GNU General Public License Version 2 or later (the "GPL"), or
  25  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  26  * in which case the provisions of the GPL or the LGPL are applicable instead
  27  * of those above. If you wish to allow use of your version of this file only
  28  * under the terms of either the GPL or the LGPL, and not to allow others to
  29  * use your version of this file under the terms of the MPL, indicate your
  30  * decision by deleting the provisions above and replace them with the notice
  31  * and other provisions required by the GPL or the LGPL. If you do not delete
  32  * the provisions above, a recipient may use your version of this file under
  33  * the terms of any one of the MPL, the GPL or the LGPL.
  34  *
  35  * ***** END LICENSE BLOCK ***** */
  36
  37 #include "nsAppRunner.h"
  38
  39 #include "prio.h"
  40 #include "prprf.h"
  41 #include "prtime.h"
  42 #include "prenv.h"
  43
  44 #include "nsCRT.h"
  45 #include "nsNativeCharsetUtils.h"
  46 #include "nsString.h"
  47 #include "nsXREDirProvider.h"
  48 #include "nsXULAppAPI.h"
  49
  50 #include "nsIConsoleService.h"
  51 #include "nsIConsoleMessage.h"
  52
  53 void
  54 WriteConsoleLog()
  55 {
  56   nsresult rv;
  57
  58   nsCOMPtr<nsILocalFile> lfile;
  59
  60   char* logFileEnv = PR_GetEnv("XRE_CONSOLE_LOG");
  61   if (logFileEnv && *logFileEnv) {
  62     rv = XRE_GetFileFromPath(logFileEnv, getter_AddRefs(lfile));
  63     if (NS_FAILED(rv))
  64       return;
  65   }
  66   else {
  67     if (!gLogConsoleErrors)
  68       return;
  69
  70     rv = gDirServiceProvider->GetUserAppDataDirectory(getter_AddRefs(lfile));
  71     if (NS_FAILED(rv))
  72       return;
  73
  74     lfile->AppendNative(NS_LITERAL_CSTRING("console.log"));
  75   }
  76
  77   PRFileDesc *file;
  78   rv = lfile->OpenNSPRFileDesc(PR_WRONLY | PR_APPEND | PR_CREATE_FILE,
  79                                0660, &file);
  80   if (NS_FAILED(rv))
  81     return;
  82
  83   nsCOMPtr<nsIConsoleService> csrv
  84     (do_GetService(NS_CONSOLESERVICE_CONTRACTID));
  85   if (!csrv) {
  86     PR_Close(file);
  87     return;
  88   }
  89
  90   nsIConsoleMessage** messages;
  91   PRUint32 mcount;
  92
  93   rv = csrv->GetMessageArray(&messages, &mcount);
  94   if (NS_FAILED(rv)) {
  95     PR_Close(file);
  96     return;
  97   }
  98
  99   if (mcount) {
 100     PRExplodedTime etime;
 101     PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &etime);
 102     char datetime[512];
 103     PR_FormatTimeUSEnglish(datetime, sizeof(datetime),
 104                            "%Y-%m-%d %H:%M:%S", &etime);
 105
 106     PR_fprintf(file, NS_LINEBREAK
 107                      "*** Console log: %s ***" NS_LINEBREAK,
 108                datetime);
 109   }
 110
 111   // From this point on, we have to release all the messages, and free
 112   // the memory allocated for the messages array. XPCOM arrays suck.
 113
 114   nsXPIDLString msg;
 115   nsCAutoString nativemsg;
 116
 117   for (PRUint32 i = 0; i < mcount; ++i) {
 118     rv = messages[i]->GetMessageMoz(getter_Copies(msg));
 119     if (NS_SUCCEEDED(rv)) {
 120       NS_CopyUnicodeToNative(msg, nativemsg);
 121       PR_fprintf(file, "%s" NS_LINEBREAK, nativemsg.get());
 122     }
 123     NS_IF_RELEASE(messages[i]);
 124   }
 125
 126   PR_Close(file);
 127   NS_Free(messages);
 128 }