core.c

   1 /*
   2  *  (C) Copyright 2009 ZeXx86 (zexx86@gmail.com)
   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  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program; if not, write to the Free Software
  16  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  */
  19
  20
  21 #include "glugin.h"
  22 #include <GL/gl.h>
  23 #include <GL/glu.h>
  24 #include <unistd.h>
  25 #include <math.h>
  26
  27 void guest_read_host_requests (pluginData *pd)
  28 {
  29         int cmd;
  30         NPStream *s;
  31
  32         if (fread (&cmd, sizeof (int), 1, pd->pr) <= 0)
  33                 return; //no data
  34
  35         switch (cmd) {
  36                 case gln_new_stream:
  37                         fread (&s, sizeof (s), 1, pd->pr);
  38
  39                         pd->handle_newstream (pd,s);
  40                         break;
  41                 case gln_destroy_stream:
  42                         fread (&s, sizeof (s), 1, pd->pr);
  43
  44                         pd->handle_destroystream (pd, s);
  45                         break;
  46                 case gln_stream_data:
  47                         {
  48                                 int32 off, len;
  49                                 void *data;
  50
  51                                 fread (&s, sizeof (s), 1, pd->pr);
  52                                 fread (&off, sizeof (off), 1, pd->pr);
  53                                 fread (&len, sizeof (len), 1, pd->pr);
  54
  55                                 if (len > 0) {
  56                                         data = malloc (len);
  57
  58                                         fread (data,len,1,pd->pr);
  59
  60                                         pd->handle_write (pd, s, off, len, data);
  61
  62                                         free (data);
  63                                 } else
  64                                         Log ("w: zero len!");
  65                         }
  66                         break;
  67                 default:
  68                         Log ("Unhandled request to guest: %d", cmd);
  69         }
  70 }
  71
  72 void guest_newstream (pluginData *pd, NPStream *s)
  73 {
  74         Log ("guest has NEWSTREAM: %p",s);
  75 }
  76
  77 void guest_destroystream (pluginData *pd, NPStream *s)
  78 {
  79         Log ("guest has DESTROYSTREAM: %p",s);
  80 }
  81
  82 void guest_write (pluginData *pd, NPStream*s, int32 off, int32 len, void *data)
  83 {
  84         Log ("guest has WRITE: %p %d %d, data followz:", s, off, len);
  85
  86         int i;
  87         for (i = 0; i < len; ++ i)
  88                 Log ("%8X: %c",i, ((char *) data)[i]);
  89 }
  90
  91 void glugin_proc (pluginData *pd)
  92 {
  93         while (!(pd->exit_request)) {
  94                 guest_read_host_requests (pd);
  95
  96                 usleep (1000);
  97         }
  98
  99         pd->exit_ack = 1;
 100 }