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 bool flushAfterWrite = false;  //buzzy
  26 int GridOffset = 0;
  27 bool GridLocked = false;
  28 bool showDemod = true;
  29
  30 static char *logfilename = "proxmark3.log";
  31
  32 #ifndef EXTERNAL_PRINTANDLOG
  33 static pthread_mutex_t print_lock = PTHREAD_MUTEX_INITIALIZER;
  34
  35 void PrintAndLog(char *fmt, ...)
  36 {
  37         char *saved_line;
  38         int saved_point;
  39         va_list argptr, argptr2;
  40         static FILE *logfile = NULL;
  41         static int logging=1;
  42
  43         // lock this section to avoid interlacing prints from different threads
  44         pthread_mutex_lock(&print_lock);
  45
  46         if (logging && !logfile) {
  47                 logfile=fopen(logfilename, "a");
  48                 if (!logfile) {
  49                         fprintf(stderr, "Can't open logfile, logging disabled!\n");
  50                         logging=0;
  51                 }
  52         }
  53
  54         // If there is an incoming message from the hardware (eg: lf hid read) in
  55         // the background (while the prompt is displayed and accepting user input),
  56         // stash the prompt and bring it back later.
  57 #ifdef RL_STATE_READCMD
  58         // We are using GNU readline. libedit (OSX) doesn't support this flag.
  59         int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
  60
  61         if (need_hack) {
  62                 saved_point = rl_point;
  63                 saved_line = rl_copy_text(0, rl_end);
  64                 rl_save_prompt();
  65                 rl_replace_line("", 0);
  66                 rl_redisplay();
  67         }
  68 #endif
  69
  70         va_start(argptr, fmt);
  71         va_copy(argptr2, argptr);
  72         vprintf(fmt, argptr);
  73         printf("          "); // cleaning prompt
  74         va_end(argptr);
  75         printf("\n");
  76
  77 #ifdef RL_STATE_READCMD
  78         // We are using GNU readline. libedit (OSX) doesn't support this flag.
  79         if (need_hack) {
  80                 rl_restore_prompt();
  81                 rl_replace_line(saved_line, 0);
  82                 rl_point = saved_point;
  83                 rl_redisplay();
  84                 free(saved_line);
  85         }
  86 #endif
  87
  88         if (logging && logfile) {
  89                 vfprintf(logfile, fmt, argptr2);
  90                 fprintf(logfile,"\n");
  91                 fflush(logfile);
  92         }
  93         va_end(argptr2);
  94
  95         if (flushAfterWrite)  //buzzy
  96         {
  97                 fflush(NULL);
  98         }
  99         //release lock
 100         pthread_mutex_unlock(&print_lock);
 101 }
 102 #endif
 103
 104 void SetLogFilename(char *fn)
 105 {
 106   logfilename = fn;
 107 }
 108
 109 void SetFlushAfterWrite(bool flush_after_write) {
 110         flushAfterWrite = flush_after_write;
 111 }
 112