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