log.cc

   1 /*
   2  * Copyright (c) 2000, Red Hat, Inc.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by DJ Delorie <dj@redhat.com>
  13  *
  14  */
  15
  16 /* The purpose of this file is to centralize all the logging functions. */
  17
  18 #if 0
  19 static const char *cvsid =
  20   "\n%%% $Id$\n";
  21 #endif
  22
  23 #include "win32.h"
  24 #include <stdio.h>
  25 #include <stdarg.h>
  26 #include <stdlib.h>
  27 #include <time.h>
  28
  29 #include "resource.h"
  30 #include "msg.h"
  31 #include "log.h"
  32 #include "dialog.h"
  33 #include "state.h"
  34 #include "concat.h"
  35 #include "mkdir.h"
  36 #include "mount.h"
  37
  38 #include "io_stream.h"
  39
  40 struct LogEnt
  41 {
  42   LogEnt *next;
  43   enum log_level level;
  44   time_t when;
  45   String msg;
  46 };
  47
  48 static LogEnt *first_logent = 0;
  49 static LogEnt **next_logent = &first_logent;
  50
  51 void
  52 log (enum log_level level, String const &message)
  53 {
  54   LogEnt *l = new LogEnt;
  55   l->next = 0;
  56   l->level = level;
  57   time (&(l->when));
  58   *next_logent = l;
  59   next_logent = &(l->next);
  60   l->msg = message;
  61
  62   char b[100];
  63   b[0]='\0';
  64   if (level == LOG_TIMESTAMP)
  65     {
  66       struct tm *tm = localtime (&(l->when));
  67       strftime (b, 1000, "%Y/%m/%d %H:%M:%S ", tm);
  68     }
  69   l->msg = String (b) + message;
  70
  71   msg ("LOG: %d %s", l->level, l->msg.cstr_oneuse());
  72 }
  73
  74 void
  75 log (enum log_level level, const char *fmt, ...)
  76 {
  77   char buf[1000];
  78   va_list args;
  79   va_start (args, fmt);
  80   vsprintf (buf, fmt, args);
  81   log (level, String(buf));
  82 }
  83
  84 void
  85 log_save (int babble, String const &filename, int append)
  86 {
  87   static int been_here = 0;
  88   if (been_here)
  89     return;
  90   been_here = 1;
  91
  92   io_stream::mkpath_p (PATH_TO_FILE, filename);
  93
  94   io_stream *f = io_stream::open(String("file://")+filename, append ? "at" : "wt");
  95   if (!f)
  96     {
  97       fatal (NULL, IDS_NOLOGFILE, filename.cstr_oneuse());
  98       return;
  99     }
 100
 101   LogEnt *l;
 102
 103   for (l = first_logent; l; l = l->next)
 104     {
 105       if (babble || !(l->level == LOG_BABBLE))
 106         {
 107           char *tstr = l->msg.cstr();
 108           f->write (tstr, strlen (tstr));
 109           if (tstr[strlen (tstr) - 1] != '\n')
 110             f->write ("'\n", 1);
 111         }
 112     }
 113
 114   delete f;
 115   been_here = 0;
 116 }
 117
 118 void
 119 exit_setup (int exit_code)
 120 {
 121   static int been_here = 0;
 122   if (been_here)
 123     ExitProcess (1);
 124   been_here = 1;
 125
 126   if (exit_msg)
 127     note (NULL, exit_msg);
 128
 129   log (LOG_TIMESTAMP, "Ending cygwin install");
 130
 131   if (source == IDC_SOURCE_DOWNLOAD || !get_root_dir ().size())
 132     {
 133       log_save (LOG_BABBLE, local_dir + "/setup.log.full", 0);
 134       log_save (0, local_dir + "/setup.log", 1);
 135     }
 136   else
 137     {
 138       log_save (LOG_BABBLE, cygpath ("/var/log/setup.log.full", 0), 0);
 139       log_save (0, cygpath ("/var/log/setup.log", 0), 1);
 140     }
 141
 142   ExitProcess (exit_code);
 143 }