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 <stdbool.h>
  13 #ifndef EXTERNAL_PRINTANDLOG
  14 #include <stdlib.h>
  15 #include <stdio.h>
  16 #include <stdarg.h>
  17 #include <readline/readline.h>
  18 #include <pthread.h>
  19 #endif
  20
  21 #include "ui.h"
  22
  23 double CursorScaleFactor = 1;
  24 int PlotGridX=0, PlotGridY=0, PlotGridXdefault= 64, PlotGridYdefault= 64, CursorCPos= 0, CursorDPos= 0;
  25 int offline;
  26 int flushAfterWrite = 0;  //buzzy
  27 int GridOffset = 0;
  28 bool GridLocked = false;
  29 bool showDemod = true;
  30
  31 static char *logfilename = "proxmark3.log";
  32
  33 #ifndef EXTERNAL_PRINTANDLOG
  34 // Declared in proxmark3.c
  35 extern pthread_mutex_t print_lock;
  36
  37 void PrintAndLog(char *fmt, ...)
  38 {
  39         char *saved_line;
  40         int saved_point;
  41         va_list argptr, argptr2;
  42         static FILE *logfile = NULL;
  43         static int logging=1;
  44
  45         // lock this section to avoid interlacing prints from different threads
  46         pthread_mutex_lock(&print_lock);
  47
  48         if (logging && !logfile) {
  49                 logfile=fopen(logfilename, "a");
  50                 if (!logfile) {
  51                         fprintf(stderr, "Can't open logfile, logging disabled!\n");
  52                         logging=0;
  53                 }
  54         }
  55
  56         // If there is an incoming message from the hardware (eg: lf hid read) in
  57         // the background (while the prompt is displayed and accepting user input),
  58         // stash the prompt and bring it back later.
  59 #ifdef RL_STATE_READCMD
  60         // We are using GNU readline. libedit (OSX) doesn't support this flag.
  61         int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
  62
  63         if (need_hack) {
  64                 saved_point = rl_point;
  65                 saved_line = rl_copy_text(0, rl_end);
  66                 rl_save_prompt();
  67                 rl_replace_line("", 0);
  68                 rl_redisplay();
  69         }
  70 #endif
  71
  72         va_start(argptr, fmt);
  73         va_copy(argptr2, argptr);
  74         vprintf(fmt, argptr);
  75         printf("          "); // cleaning prompt
  76         va_end(argptr);
  77         printf("\n");
  78
  79 #ifdef RL_STATE_READCMD
  80         // We are using GNU readline. libedit (OSX) doesn't support this flag.
  81         if (need_hack) {
  82                 rl_restore_prompt();
  83                 rl_replace_line(saved_line, 0);
  84                 rl_point = saved_point;
  85                 rl_redisplay();
  86                 free(saved_line);
  87         }
  88 #endif
  89
  90         if (logging && logfile) {
  91                 vfprintf(logfile, fmt, argptr2);
  92                 fprintf(logfile,"\n");
  93                 fflush(logfile);
  94         }
  95         va_end(argptr2);
  96
  97         if (flushAfterWrite == 1)  //buzzy
  98         {
  99                 fflush(NULL);
 100         }
 101         //release lock
 102         pthread_mutex_unlock(&print_lock);
 103 }
 104 #endif
 105
 106 void SetLogFilename(char *fn)
 107 {
 108   logfilename = fn;
 109 }