socat/xio-nop.c

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2008-02-17 13:59:16 +00:00
/* $Id: xio-socks.c,v 1.25 2006/02/08 19:46:59 gerhard Exp $ */
/* Copyright Gerhard Rieger 2006-2007 */
/* Published under the GNU General Public License V.2, see file COPYING */
/* this file contains the source for a degenerated address that just transfers
data */
#include "xiosysincludes.h"
#include "xioopen.h"
#include "xio-nop.h"
#if WITH_NOP
static int xioopen_nop(int argc, const char *argv[], struct opt *opts,
int xioflags, xiofile_t *xxfd,
unsigned groups, int dummy1, int dummy2,
int dummy3);
static const struct xioaddr_inter_desc xiointer_nop0ro = { XIOADDR_PROT, "nop", 0, XIOBIT_RDONLY, 0/*groups*/, XIOSHUT_CLOSE, XIOCLOSE_NONE, xioopen_nop, 0, 0, 0, XIOBIT_WRONLY HELP("") };
static const struct xioaddr_inter_desc xiointer_nop0wo = { XIOADDR_PROT, "nop", 0, XIOBIT_WRONLY, 0/*groups*/, XIOSHUT_CLOSE, XIOCLOSE_NONE, xioopen_nop, 0, 0, 0, XIOBIT_RDONLY HELP("") };
static const struct xioaddr_inter_desc xiointer_nop0rw = { XIOADDR_PROT, "nop", 0, XIOBIT_RDWR, 0/*groups*/, XIOSHUT_CLOSE, XIOCLOSE_NONE, xioopen_nop, 0, 0, 0, XIOBIT_RDWR HELP("") };
const union xioaddr_desc *xioaddrs_nop[] = {
(union xioaddr_desc *)&xiointer_nop0ro,
(union xioaddr_desc *)&xiointer_nop0wo,
(union xioaddr_desc *)&xiointer_nop0rw,
NULL };
static int xioopen_nop(int argc, const char *argv[], struct opt *opts,
int xioflags, xiofile_t *xxfd,
unsigned groups, int dummy, int dummy2,
int dummy3) {
struct single *xfd = &xxfd->stream;
int result;
if (argc != 1) {
Error("address NOP takes no arguments");
return STAT_NORETRY;
}
if (xfd->fd1 < 0 && xfd->fd2 < 0) {
Error("NOP cannot be endpoint");
return STAT_NORETRY;
}
applyopts(-1, opts, PH_INIT);
if (applyopts_single(xfd, opts, PH_INIT) < 0) return -1;
Notice("opening NOP");
xfd->dtype = XIODATA_STREAM;
/*xfd->fdtype = FDTYPE_DOUBLE;*/
applyopts(xfd->fd1, opts, PH_ALL);
if ((result = _xio_openlate(xfd, opts)) < 0)
return result;
return 0;
}
#endif /* WITH_NOP */