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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: dk4sock25.ctr
*/
/*
Copyright (C) 2015-2017, 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 dk4sock25.c The dk4sock25 module.
*/
#line 10 "dk4sock25.ctr"
#include "dk4sock.h"
#include "dk4mem.h"
#if DK4_HAVE_GETADDRINFO
#include "dk4maowd.h"
#else
#include "dk4maiwdus.h"
#endif
#include "dk4rec24.h"
#line 27 "dk4sock25.ctr"
#if DK4_CHAR_SIZE > 1
#if DK4_ON_WINDOWS
/* +++++ +wchar_t +Windows */
/** 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_wc_set_service_num_flag(
const wchar_t *servicename,
int backlog,
int local,
int numeric,
dk4_er_t *erp
)
{
#if DK4_HAVE_GETADDRINFO
/* +++++ +getaddrinfo */
ADDRINFOW hints;
ADDRINFOW *addri = NULL;
ADDRINFOW *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
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 = GetAddrInfoW(NULL, servicename, &hints, &addri);
if ((0 == res) && (NULL != addri)) {
paddr = addri;
while (NULL != paddr) { numad++; paddr = paddr->ai_next; }
if (0 < numad) {
paddr = addri;
back = dk4socket_set_new(numad, erp);
if (NULL != back) {
while (NULL != paddr) {
(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 92 "dk4sock25.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 98 "dk4sock25.ctr"
}
#else
#if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEADDR)
#line 102 "dk4sock25.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 108 "dk4sock25.ctr"
}
#else
#line 111 "dk4sock25.ctr"
#endif
#endif
res = dk4socket_bind(
(back->pSockets)[back->szUsed], paddr->ai_addr,
paddr->ai_addrlen, erp
);
if (DK4_SOCKET_RESULT_SUCCESS == res) {
#if 0
/* Setting SO_REUSEADDR or SO_REUSEPORT must follow
immediately on socket().
*/
(void)dk4socket_option_set_reuse(back, 1, NULL);
#endif
res = dk4socket_listen(
(back->pSockets)[back->szUsed], backlog, erp
);
if (DK4_SOCKET_RESULT_SUCCESS == res) {
back->szUsed += 1;
} else {
(void)dk4socket_close((back->pSockets)[back->szUsed], NULL);
(back->pSockets)[back->szUsed] = INVALID_SOCKET;
}
} else {
(void)dk4socket_close((back->pSockets)[back->szUsed], NULL);
(back->pSockets)[back->szUsed] = INVALID_SOCKET;
}
}
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);
}
return back;
/* ----- +getaddrinfo */
#else
/* +++++ -getaddrinfo */
char asvcn[128];
const wchar_t *endptr = NULL;
dk4_socket_set_t *back = NULL;
struct servent *serv = NULL;
int iport = 0;
int res = 0;
unsigned short portno = 0;
if (NULL != servicename) {
res = dk4ma_input_wc_dec_ushort(
&portno, servicename, &endptr, 1, erp
);
if (0 != res) {
back = dk4socket_set_server_directly(portno, backlog, local, erp);
} else {
res = dk4recode_wchar_t_to_char(asvcn, sizeof(asvcn), servicename, erp);
if (0 != res) {
serv = getservbyname(asvcn, 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);
}
return back;
/* ----- -getaddrinfo */
#endif
}
static
dk4_socket_set_t *
dk4socket_wc_set_server(
unsigned short portno,
int backlog,
int local,
dk4_er_t *erp
)
{
#if DK4_HAVE_GETADDRINFO
/* +++++ +getaddrinfo */
wchar_t pnb[16*sizeof(dk4_um_t)];
dk4_socket_set_t *back = NULL;
int res;
if (0 < portno) {
res = dk4ma_write_wc_decimal_unsigned(
pnb, DK4_SIZEOF(pnb,wchar_t), (dk4_um_t)portno, 0, erp
);
if (0 != res) {
back = dk4socket_wc_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
}
static
dk4_socket_set_t *
dk4socket_wc_set_service(
const wchar_t *servicename,
int backlog,
int local,
dk4_er_t *erp
)
{
return (
dk4socket_wc_set_service_num_flag(servicename, backlog, local, 0, erp)
);
}
/* ----- +wchar_t +Windows */
#else
#error No networking functions using wchar_t host and service names available!
#endif
#endif
dk4_socket_set_t *
dk4socket_set_server(
unsigned short portno,
int backlog,
int local,
dk4_er_t *erp
)
{
#if DK4_CHAR_SIZE > 1
return (
dk4socket_wc_set_server(portno, backlog, local, erp)
);
#else
return (
dk4socket_c8_set_server(portno, backlog, local, erp)
);
#endif
}
dk4_socket_set_t *
dk4socket_set_service(
const dkChar *servicename,
int backlog,
int local,
dk4_er_t *erp
)
{
#if DK4_CHAR_SIZE > 1
return (
dk4socket_wc_set_service(servicename, backlog, local, erp)
);
#else
return (
dk4socket_c8_set_service(servicename, backlog, local, erp)
);
#endif
}
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