git.zerfleddert.de Git - proxmark3-svn/blob - client/ui.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
   3 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
   4 //
   5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   6 // at your option, any later version. See the LICENSE.txt file for the text of
   7 // the license.
   8 //-----------------------------------------------------------------------------
   9 // UI utilities
  10 //-----------------------------------------------------------------------------
  11
  12 #include <stdarg.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <time.h>
  16 #include <readline/readline.h>
  17 #include <pthread.h>
  18
  19 #include "ui.h"
  20
  21 double CursorScaleFactor;
  22 int PlotGridX, PlotGridY, PlotGridXdefault= 64, PlotGridYdefault= 64;
  23 int offline;
  24
  25 extern pthread_mutex_t print_lock;
  26
  27 static char *logfilename = "proxmark3.log";
  28
  29 void PrintAndLog(char *fmt, ...)
  30 {
  31         char *saved_line;
  32         int saved_point;
  33         va_list argptr, argptr2;
  34         static FILE *logfile = NULL;
  35         static int logging=1;
  36
  37         // lock this section to avoid interlacing prints from different threats
  38         pthread_mutex_lock(&print_lock);
  39
  40         if (logging && !logfile) {
  41                 logfile=fopen(logfilename, "a");
  42                 if (!logfile) {
  43                         fprintf(stderr, "Can't open logfile, logging disabled!\n");
  44                         logging=0;
  45                 }
  46         }
  47
  48         int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
  49
  50         if (need_hack) {
  51                 saved_point = rl_point;
  52                 saved_line = rl_copy_text(0, rl_end);
  53                 rl_save_prompt();
  54                 rl_replace_line("", 0);
  55                 rl_redisplay();
  56         }
  57
  58         va_start(argptr, fmt);
  59         va_copy(argptr2, argptr);
  60         vprintf(fmt, argptr);
  61         printf("          "); // cleaning prompt
  62         va_end(argptr);
  63         printf("\n");
  64
  65         if (need_hack) {
  66                 rl_restore_prompt();
  67                 rl_replace_line(saved_line, 0);
  68                 rl_point = saved_point;
  69                 rl_redisplay();
  70                 free(saved_line);
  71         }
  72
  73         if (logging && logfile) {
  74                 vfprintf(logfile, fmt, argptr2);
  75                 fprintf(logfile,"\n");
  76                 fflush(logfile);
  77         }
  78         va_end(argptr2);
  79
  80         //release lock
  81         pthread_mutex_unlock(&print_lock);
  82 }
  83
  84
  85 void SetLogFilename(char *fn)
  86 {
  87   logfilename = fn;
  88 }