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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
SPDX-License-Identifier:	BSD-3-Clause



%%	module

#include "dk4conf.h"
#include "dk4sock.h"
#include "dk4types.h"
#include "dk4const.h"
#include "dk4numco.h"

#include <stdio.h>

#if DK4_HAVE_ERRNO_H
#ifndef ERRNO_H_INCLUDED
#include <errno.h>
#define	ERRNO_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_UNISTD_H
#ifndef	UNISTD_H_INCLUDED
#include <unistd.h>
#define	UNISTD_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_IO_H
#ifndef	IO_H_INCLUDED
#include <io.h>
#define	IO_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif


$!trace-include



int
dk4socket_option_set_reuse(
  dk4_socket_t	 sock,
  int		 val,
  dk4_er_t	*erp
)
{
  int	 back	= DK4_SOCKET_RESULT_FAILED;
  int	 opt	= 0;
  int	 res	= 0;
  $? "+ dk4socket_option_set_reuse %d", val
#if	DK4_USE_ASSERT
  assert(INVALID_SOCKET != sock);
#endif
  if (INVALID_SOCKET != sock) {
#if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEADDR)
    if (0 != val) { dk4socket_set_one_bytes(&opt, sizeof(opt)); }
    dk4socket_error_reset();
    res = setsockopt(
      sock, SOL_SOCKET, SO_REUSEADDR, (void *)(&opt), sizeof(opt)
    );
    if (0 == res) {				$? ". setsockopt (1) ok"
      back = DK4_SOCKET_RESULT_SUCCESS;
    } else {					$? "! setsockopt (1)"
      dk4socket_error_report(erp, DK4_E_SOCKET_SETSOCKOPT);
    }
#else
    $? "! not setsockopt or no SO_REUSEADDR"
    dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
#endif
#if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEPORT)
    if (0 != val) { dk4socket_set_one_bytes(&opt, sizeof(opt)); }
    else opt = 0;
    dk4socket_error_reset();
    res = setsockopt(
      sock, SOL_SOCKET, SO_REUSEPORT, (void *)(&opt), sizeof(opt)
    );
    if (0 != res) {				$? "! setsockopt (2)"
      back = DK4_SOCKET_RESULT_FAILED;
      dk4socket_error_report(erp, DK4_E_SOCKET_SETSOCKOPT);
    }
#endif
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  $? "- dk4socket_option_set_reuse %d", back
  return back;
}


int
dk4socket_option_set_broadcast(
  dk4_socket_t	 sock,
  int		 val,
  dk4_er_t	*erp
)
{
  int		 back	= DK4_SOCKET_RESULT_FAILED;
  int		 opt	= 0;
  int		 res	= 0;
  $? "+ dk4socket_option_set_broadcast %d", val
  if (INVALID_SOCKET != sock) {
#if	DK4_USE_ASSERT
  assert(INVALID_SOCKET != sock);
#endif
#if DK4_HAVE_SETSOCKOPT && defined(SO_BROADCAST)
    if (0 != val) { dk4socket_set_one_bytes(&opt, sizeof(opt)); }
    dk4socket_error_reset();
    res = setsockopt(
      sock, SOL_SOCKET, SO_BROADCAST, (void *)(&opt), sizeof(opt)
    );
    if (0 == res) {			$? ". setsockopt ok"
      back = DK4_SOCKET_RESULT_SUCCESS;
    } else {				$? "! setsockopt"
      dk4socket_error_report(erp, DK4_E_SOCKET_SETSOCKOPT);
    }
#else
    $? "! not available"
    dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
#endif
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  $? "- dk4socket_option_set_broadcast %d", back
  return back;
}