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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: dk4sock24.ctr
*/
/** @file dk4sock24.c The dk4sock24 module.
*/
#line 9 "dk4sock24.ctr"
#include "dk4conf.h"
#include "dk4sock.h"
#include "dk4mem.h"
#if DK4_HAVE_GETADDRINFO
#include "dk4mao8d.h"
#else
#include "dk4mai8dus.h"
#endif
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
#line 29 "dk4sock24.ctr"
/** Create listener socket set for a local port number.
@param servicename Local service name.
@param backlog Number of connection requests to queue.
@param local Flag: Allow local connections only.
@param numeric Flag: Service name is numeric.
@param erp Error report, may be NULL.
@return Socket set on success, NULL on error.
*/
static
dk4_socket_set_t *
dk4socket_c8_set_service_num_flag(
const char *servicename,
int backlog,
int local,
int numeric,
dk4_er_t *erp
)
{
#if DK4_HAVE_GETADDRINFO
/* +++++ +getaddrinfo */
struct addrinfo hints;
struct addrinfo *addri = NULL;
struct addrinfo *paddr = NULL;
dk4_socket_set_t *back = NULL;
size_t numad = 0;
int res = 0;
#if DK4_HAVE_SETSOCKOPT && (defined(SO_REUSEPORT) || defined(SO_REUSEADDR))
int opt = 0;
#endif
#line 62 "dk4sock24.ctr"
#if DK4_USE_ASSERT
assert(NULL != servicename);
assert(0 < backlog);
#endif
if (NULL != servicename) {
DK4_MEMRES(&hints, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = 0;
hints.ai_protocol = 0;
hints.ai_addrlen = 0;
hints.ai_canonname = NULL;
hints.ai_addr = NULL;
hints.ai_next = NULL;
if (0 == local) { hints.ai_flags |= AI_PASSIVE; }
if (0 != numeric) { hints.ai_flags |= AI_NUMERICSERV; }
res = getaddrinfo(NULL, servicename, &hints, &addri);
if ((0 == res) && (NULL != addri)) {
paddr = addri;
while (NULL != paddr) { numad++; paddr = paddr->ai_next; }
if (0 < numad) {
#line 83 "dk4sock24.ctr"
paddr = addri;
back = dk4socket_set_new(numad, erp);
if (NULL != back) {
while (NULL != paddr) {
#line 87 "dk4sock24.ctr"
(back->pSockets)[back->szUsed] = dk4socket_open(
paddr->ai_family, SOCK_STREAM, 0, erp
);
if (INVALID_SOCKET != (back->pSockets)[back->szUsed]) {
#if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEPORT)
#line 93 "dk4sock24.ctr"
dk4socket_set_one_bytes(&opt, sizeof(opt));
res = setsockopt(
(back->pSockets)[back->szUsed], SOL_SOCKET,
SO_REUSEPORT, (void *)(&opt), sizeof(opt)
);
if (0 != res) {
#line 99 "dk4sock24.ctr"
}
#else
#if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEADDR)
#line 103 "dk4sock24.ctr"
dk4socket_set_one_bytes(&opt, sizeof(opt));
res = setsockopt(
(back->pSockets)[back->szUsed], SOL_SOCKET,
SO_REUSEADDR, (void *)(&opt), sizeof(opt)
);
if (0 != res) {
#line 109 "dk4sock24.ctr"
}
#else
#line 112 "dk4sock24.ctr"
#endif
#endif
res = dk4socket_bind(
(back->pSockets)[back->szUsed], paddr->ai_addr,
paddr->ai_addrlen, erp
);
if (DK4_SOCKET_RESULT_SUCCESS == res) {
res = dk4socket_listen(
(back->pSockets)[back->szUsed], backlog, erp
);
if (DK4_SOCKET_RESULT_SUCCESS == res) {
back->szUsed += 1;
#line 125 "dk4sock24.ctr"
} else {
#line 126 "dk4sock24.ctr"
(void)dk4socket_close((back->pSockets)[back->szUsed], NULL);
(back->pSockets)[back->szUsed] = INVALID_SOCKET;
}
} else {
#line 130 "dk4sock24.ctr"
(void)dk4socket_close((back->pSockets)[back->szUsed], NULL);
(back->pSockets)[back->szUsed] = INVALID_SOCKET;
}
} else {
#line 134 "dk4sock24.ctr"
}
paddr = paddr->ai_next;
}
if (0 == back->szUsed) {
dk4socket_set_delete(back, NULL);
back = NULL;
}
}
}
freeaddrinfo(addri);
} else {
dk4error_set_idetails(erp, DK4_E_SOCKET_GETADDRLOC, res);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
#line 151 "dk4sock24.ctr"
return back;
/* ----- +getaddrinfo */
#else
/* +++++ -getaddrinfo */
const char *endptr = NULL;
dk4_socket_set_t *back = NULL;
struct servent *serv = NULL;
int iport = 0;
int res = 0;
unsigned short portno = 0;
#line 162 "dk4sock24.ctr"
#if DK4_USE_ASSERT
assert(NULL != servicename);
assert(0 < backlog);
#endif
if (NULL != servicename) {
res = dk4ma_input_c8_dec_ushort(
&portno, servicename, &endptr, 1, NULL
);
if (0 != res) {
back = dk4socket_set_server_directly(portno, backlog, local, erp);
} else {
dk4socket_error_reset();
serv = getservbyname(servicename, NULL);
if (NULL != serv) {
iport = serv->s_port;
dk4socket_swap_bytes_if_not_bigendian((void *)(&iport), sizeof(iport));
portno = (unsigned short)iport;
back = dk4socket_set_server_directly(portno, backlog, local, erp);
} else {
dk4socket_error_report(erp, DK4_E_SOCKET_GETSERVBYNAME);
}
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
#line 188 "dk4sock24.ctr"
return back;
/* ----- -getaddrinfo */
#endif
}
dk4_socket_set_t *
dk4socket_c8_set_server(
unsigned short portno,
int backlog,
int local,
dk4_er_t *erp
)
{
#if DK4_HAVE_GETADDRINFO
/* +++++ +getaddrinfo */
char pnb[16*sizeof(dk4_um_t)];
dk4_socket_set_t *back = NULL;
int res;
#if DK4_USE_ASSERT
assert(0 < portno);
assert(0 < backlog);
#endif
if (0 < portno) {
res = dk4ma_write_c8_decimal_unsigned(
pnb, sizeof(pnb), (dk4_um_t)portno, 0, erp
);
if (0 != res) {
back = dk4socket_c8_set_service_num_flag(
pnb, backlog, local, 1, erp
);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
/* ----- +getaddrinfo */
#else
/* +++++ -getaddrinfo */
return (
dk4socket_set_server_directly(portno, backlog, local, erp)
);
/* ----- -getaddrinfo */
#endif
}
dk4_socket_set_t *
dk4socket_c8_set_service(
const char *servicename,
int backlog,
int local,
dk4_er_t *erp
)
{
#if DK4_USE_ASSERT
assert(NULL != servicename);
assert(0 < backlog);
#endif
return (
dk4socket_c8_set_service_num_flag(servicename, backlog, local, 0, erp)
);
}
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