/* 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: dk4sock31.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 dk4sock31.c The dk4sock31 module. */ #line 10 "dk4sock31.ctr" #include "dk4sock.h" #include "dk4mem.h" #if DK4_HAVE_GETADDRINFO #include "dk4maowd.h" #else #include "dk4maiwdus.h" #endif #include "dk4rec24.h" #line 27 "dk4sock31.ctr" #if DK4_CHAR_SIZE > 1 #if DK4_ON_WINDOWS /* +++++ +wchar_t +Windows */ /** 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 operations. @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_udp_num_flag( const wchar_t *servicename, int local, int broadcast, 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 "dk4sock31.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 "dk4sock31.ctr" } #else #if DK4_HAVE_SETSOCKOPT && defined(SO_REUSEADDR) #line 102 "dk4sock31.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 "dk4sock31.ctr" } #else #line 111 "dk4sock31.ctr" #endif #endif #if DK4_HAVE_SETSOCKOPT && defined(SO_BROADCAST) #line 115 "dk4sock31.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 122 "dk4sock31.ctr" } } #else #line 126 "dk4sock31.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; } 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_udp_directly(portno, local, broadcast, 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_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); } return back; /* ----- -getaddrinfo */ #endif } static dk4_socket_set_t * dk4socket_wc_set_udp( unsigned short portno, int local, int broadcast, 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_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 } static dk4_socket_set_t * dk4socket_wc_set_udp_service( const wchar_t *servicename, int local, int broadcast, dk4_er_t *erp ) { return ( dk4socket_wc_set_udp_num_flag(servicename, local, broadcast, 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_udp( unsigned short portno, int local, int broadcast, dk4_er_t *erp ) { #if DK4_CHAR_SIZE > 1 return ( dk4socket_wc_set_udp(portno, local, broadcast, erp) ); #else return ( dk4socket_c8_set_udp(portno, local, broadcast, erp) ); #endif } dk4_socket_set_t * dk4socket_set_udp_service( const dkChar *servicename, int local, int broadcast, dk4_er_t *erp ) { #if DK4_CHAR_SIZE > 1 return ( dk4socket_wc_set_udp_service(servicename, local, broadcast, erp) ); #else return ( dk4socket_c8_set_udp_service(servicename, local, broadcast, erp) ); #endif }