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/*
WARNING: This file was generated by dkct.
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: dk4sock30.ctr
*/
/*
Copyright (C) 2016-2017, Dirk Krause
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @file dk4sock30.c The dk4sock30 module.
*/
#line 9 "dk4sock30.ctr"
#include "dk4sock.h"
#include "dk4mem.h"
#if DK4_HAVE_GETADDRINFO
#include "dk4mao8d.h"
#else
#include "dk4mai8dus.h"
#endif
#line 22 "dk4sock30.ctr"
/** Create UDP socket set for a local port number.
@param servicename Local service name.
@param local Flag: Allow local connections only.
@param broadcast Flag: Prepare for broadcast send.
@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_udp_num_flag(
const char *servicename,
int local,
int broadcast,
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 55 "dk4sock30.ctr"
if (NULL != servicename) {
DK4_MEMRES(&hints, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM;
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 72 "dk4sock30.ctr"
paddr = addri;
back = dk4socket_set_new(numad, erp);
if (NULL != back) {
while (NULL != paddr) {
#line 76 "dk4sock30.ctr"
(back->pSockets)[back->szUsed] = dk4socket_open(
paddr->ai_family, SOCK_DGRAM, 0, erp
);
if (INVALID_SOCKET != (back->pSockets)[back->szUsed]) {
#if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEPORT)
#line 82 "dk4sock30.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 88 "dk4sock30.ctr"
}
#else
#if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEADDR)
#line 92 "dk4sock30.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 98 "dk4sock30.ctr"
}
#else
#line 101 "dk4sock30.ctr"
#endif
#endif
#if DK4_HAVE_SETSOCKOPT && defined(SO_BROADCAST)
#line 105 "dk4sock30.ctr"
if (0 != broadcast) {
dk4socket_set_one_bytes(&opt, sizeof(opt));
res = setsockopt(
(back->pSockets)[back->szUsed], SOL_SOCKET,
SO_BROADCAST, (void *)(&opt), sizeof(opt)
);
if (0 != res) {
#line 112 "dk4sock30.ctr"
}
}
#else
#line 116 "dk4sock30.ctr"
#endif
res = dk4socket_bind(
(back->pSockets)[back->szUsed], paddr->ai_addr,
paddr->ai_addrlen, erp
);
if (DK4_SOCKET_RESULT_SUCCESS == res) {
back->szUsed += 1;
#line 124 "dk4sock30.ctr"
} else {
#line 125 "dk4sock30.ctr"
(void)dk4socket_close((back->pSockets)[back->szUsed], NULL);
(back->pSockets)[back->szUsed] = INVALID_SOCKET;
}
} else {
#line 129 "dk4sock30.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 146 "dk4sock30.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 157 "dk4sock30.ctr"
if (NULL != servicename) {
res = dk4ma_input_c8_dec_ushort(
&portno, servicename, &endptr, 1, NULL
);
if (0 != res) {
back = dk4socket_set_udp_directly(portno, local, broadcast, 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_udp_directly(portno, local, broadcast, erp);
} else {
dk4socket_error_report(erp, DK4_E_SOCKET_GETSERVBYNAME);
}
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
#line 179 "dk4sock30.ctr"
return back;
/* ----- -getaddrinfo */
#endif
}
dk4_socket_set_t *
dk4socket_c8_set_udp(
unsigned short portno,
int local,
int broadcast,
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 (0 < portno) {
res = dk4ma_write_c8_decimal_unsigned(
pnb, sizeof(pnb), (dk4_um_t)portno, 0, erp
);
if (0 != res) {
back = dk4socket_c8_set_udp_num_flag(
pnb, local, broadcast, 1, erp
);
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
/* ----- +getaddrinfo */
#else
/* +++++ -getaddrinfo */
return (
dk4socket_set_udp_directly(portno, local, broadcast, erp)
);
/* ----- -getaddrinfo */
#endif
}
dk4_socket_set_t *
dk4socket_c8_set_udp_service(
const char *servicename,
int local,
int broadcast,
dk4_er_t *erp
)
{
return (
dk4socket_c8_set_udp_num_flag(servicename, local, broadcast, 0, erp)
);
}
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