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/*
Copyright (C) 2015-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4sock22.ctr
*/

/**	@file dk4sock22.c The dk4sock22 module.
*/


#line 10 "dk4sock22.ctr"


#include "dk4conf.h"
#include "dk4sock.h"
#include "dk4mem.h"

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




#line 25 "dk4sock22.ctr"



dk4_socket_set_t *
dk4socket_set_new(
  size_t		 max,
  dk4_er_t		*erp
)
{
  dk4_socket_set_t	*back = NULL;
  dk4_socket_t		*ps;
  size_t		 i;
#if	DK4_USE_ASSERT
  assert(0 < max);
#endif
  if (0 < max) {
    if ((SIZE_MAX / sizeof(dk4_socket_t)) >= max) {
      back = dk4mem_new(dk4_socket_set_t,1,erp);
      if (NULL != back) {
        back->szMax = max;
	back->szUsed = 0;
	back->pSockets = dk4mem_new(dk4_socket_t,max,erp);
	if (NULL != back->pSockets) {
	  ps = back->pSockets;
	  i = max;
	  while (i--) { *(ps++) = INVALID_SOCKET; }
	} else {
	  dk4mem_free(back);
	  back = NULL;
	}
      }
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



void
dk4socket_set_delete(
  dk4_socket_set_t	*set,
  dk4_er_t		*erp
)
{
#if	DK4_USE_ASSERT
  assert(NULL != set);
#endif
  if (NULL != set) {
    if (NULL != set->pSockets) {
      dk4mem_release(set->pSockets);
    }
    dk4mem_free(set);
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
}



void
dk4socket_set_close(
  dk4_socket_set_t	*set,
  dk4_er_t		*erp
)
{
  size_t	 i;
#if	DK4_USE_ASSERT
  assert(NULL != set);
#endif
  if (NULL != set) {
    if (NULL != set->pSockets) {
      for (i = 0; i < set->szUsed; i++) {
        if (INVALID_SOCKET != (set->pSockets)[i]) {
#if 0
	  /*	2015-06-22	Setting SO_REUSEADDR or SO_REUSEPORT must
	  			follow immediately on socket()
	  */
	  (void)dk4socket_option_set_reuse((set->pSockets)[i], 1, NULL);
#endif
          (void)dk4socket_close((set->pSockets)[i], erp);
	  (set->pSockets)[i] = INVALID_SOCKET;
	}
      }
      dk4socket_set_delete(set, erp);
    } else {
      dk4mem_free(set);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
}