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/*
* raw.c:
*
* Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
* All rights reserved.
*
*/
static char rcsid[] = "$Id$";
/*
* $Log$
* Revision 1.5 2008/03/06 21:34:09 james
* *** empty log message ***
*
* Revision 1.4 2008/03/06 21:33:02 james
* *** empty log message ***
*
* Revision 1.3 2008/03/06 17:21:41 james
* *** empty log message ***
*
* Revision 1.2 2008/03/06 16:49:39 james
* *** empty log message ***
*
* Revision 1.1 2008/03/06 16:49:05 james
* *** empty log message ***
*
*
*/
#include "project.h"
typedef struct
{
RX_SIGNATURE;
int rfd;
int wfd;
} RX_Raw;
typedef struct
{
TTY_SIGNATURE;
} RAW_TERMINAL;
static int
rx_raw_rx (RX * _r, int ch)
{
RX_Raw *r = (RX_Raw *) _r;
int ret;
uint8_t c = ch;
set_blocking (r->wfd);
ret = (write (r->wfd, &c, 1) == 1) ? 0 : -1;
}
static void
rx_raw_close (RX * r)
{
free (r);
}
RX *
rx_new_raw (int rfd, int wfd)
{
RX_Raw *ret;
ret = malloc (sizeof (RX_Raw));
memset (ret, 0, sizeof (RX_Raw));
ret->rx = rx_raw_rx;
ret->close = rx_raw_close;
ret->rfd = rfd;
ret->wfd = wfd;
return (RX *) ret;
}
static int
raw_terminal_read (TTY * _t, void *buf, int len)
{
RAW_TERMINAL *t = (RAW_TERMINAL *) _t;
int red, done = 0;
set_nonblocking (t->rfd);
do
{
red = wrap_read (t->rfd, buf, len);
if (red < 0)
return -1;
if (!red)
return done;
buf += red;
len -= red;
done += red;
}
while (len);
return done;
}
static int
raw_terminal_write (TTY * _t, void *buf, int len)
{
int writ, done = 0;
RAW_TERMINAL *t = (RAW_TERMINAL *) _t;
set_blocking (t->wfd);
do
{
writ = wrap_write (t->wfd, buf, len);
if (writ < 0)
return -1;
if (!writ)
usleep (1000);
buf += writ;
len -= writ;
done += writ;
}
while (len);
return done;
}
static void
raw_terminal_close (TTY * _t)
{
RAW_TERMINAL *t = (RAW_TERMINAL *) _t;
set_blocking (t->rfd);
set_blocking (t->wfd);
free (t);
}
TTY *
terminal_new_raw (int rfd, int wfd)
{
RAW_TERMINAL *t;
t = (RAW_TERMINAL *) malloc (sizeof (RAW_TERMINAL));
memset (t, 0, sizeof (t));
strcpy (t->name, "raw");
t->rfd = rfd;
t->wfd = wfd;
set_nonblocking (rfd);
set_nonblocking (wfd);
t->recv = raw_terminal_read;
// t->xmit = raw_terminal_write;
t->close = raw_terminal_close;
t->blocked = 0;
return (TTY *) t;
}
static void
ansi_raw_one_shot (ANSI * a, CRT * c)
{
}
static int
ansi_raw_key (ANSI * a, Context * c, int key)
{
return c->k->key (c->k, c, key);
}
static void
ansi_raw_parse (ANSI * a, Context * c, uint8_t * buf, int red)
{
while (red--)
ansi_raw_key (a, c, *(buf++));
}
static int
ansi_raw_dispatch (ANSI * a, Context * c)
{
char buf[1024];
int red;
if (!a->terminal)
return 0;
red = a->terminal->recv (a->terminal, buf, sizeof (buf));
if (red <= 0)
return red;
ansi_raw_parse (a, c, buf, red);
return 0;
}
static void
ansi_raw_free (ANSI * a)
{
free (a);
}
ANSI *
ansi_new_raw (int rfd, int wfd)
{
ANSI *ret;
ret = malloc (sizeof (ANSI));
memset (ret, 0, sizeof (ANSI));
ret->terminal = terminal_new_raw (rfd, wfd);
ret->dispatch = ansi_raw_dispatch;
ret->close = ansi_raw_free;
return ret;
}
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