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 "mkdir.h"
  35 #include "mount.h"
  36
  37 #include "io_stream.h"
  38
  39 struct LogEnt
  40 {
  41   LogEnt *next;
  42   enum log_level level;
  43   time_t when;
  44   String msg;
  45 };
  46
  47 static LogEnt *first_logent = 0;
  48 static LogEnt **next_logent = &first_logent;
  49
  50 void
  51 log (enum log_level level, String const &message)
  52 {
  53   LogEnt *l = new LogEnt;
  54   l->next = 0;
  55   l->level = level;
  56   time (&(l->when));
  57   *next_logent = l;
  58   next_logent = &(l->next);
  59   l->msg = message;
  60
  61   char b[100];
  62   b[0]='\0';
  63   if (level == LOG_TIMESTAMP)
  64     {
  65       struct tm *tm = localtime (&(l->when));
  66       strftime (b, 1000, "%Y/%m/%d %H:%M:%S ", tm);
  67     }
  68   l->msg = String (b) + message;
  69
  70   msg ("LOG: %d %s", l->level, l->msg.cstr_oneuse());
  71 }
  72
  73 void
  74 log (enum log_level level, const char *fmt, ...)
  75 {
  76   char buf[1000];
  77   va_list args;
  78   va_start (args, fmt);
  79   vsprintf (buf, fmt, args);
  80   log (level, String(buf));
  81 }
  82
  83 void
  84 log_save (int babble, String const &filename, int append)
  85 {
  86   static int been_here = 0;
  87   if (been_here)
  88     return;
  89   been_here = 1;
  90
  91   io_stream::mkpath_p (PATH_TO_FILE, filename);
  92
  93   io_stream *f = io_stream::open(String("file://")+filename, append ? "at" : "wt");
  94   if (!f)
  95     {
  96       fatal (NULL, IDS_NOLOGFILE, filename.cstr_oneuse());
  97       return;
  98     }
  99
 100   LogEnt *l;
 101
 102   for (l = first_logent; l; l = l->next)
 103     {
 104       if (babble || !(l->level == LOG_BABBLE))
 105         {
 106           char *tstr = l->msg.cstr();
 107           f->write (tstr, strlen (tstr));
 108           if (tstr[strlen (tstr) - 1] != '\n')
 109             f->write ("'\n", 1);
 110         }
 111     }
 112
 113   delete f;
 114   been_here = 0;
 115 }
 116
 117 void
 118 exit_setup (int exit_code)
 119 {
 120   static int been_here = 0;
 121   if (been_here)
 122     ExitProcess (1);
 123   been_here = 1;
 124
 125   if (exit_msg)
 126     note (NULL, exit_msg);
 127
 128   log (LOG_TIMESTAMP, "Ending cygwin install");
 129
 130   if (source == IDC_SOURCE_DOWNLOAD || !get_root_dir ().size())
 131     {
 132       log_save (LOG_BABBLE, local_dir + "/setup.log.full", 0);
 133       log_save (0, local_dir + "/setup.log", 1);
 134     }
 135   else
 136     {
 137       log_save (LOG_BABBLE, cygpath ("/var/log/setup.log.full"), 0);
 138       log_save (0, cygpath ("/var/log/setup.log"), 1);
 139     }
 140
 141   ExitProcess (exit_code);
 142 }