mirror of
https://github.com/lwip-tcpip/lwip.git
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151 lines
5.6 KiB
C
151 lines
5.6 KiB
C
/*
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* Copyright (C) 2023 Joan Lledó <jlledom@member.fsf.org>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#ifndef HURD_LWIP_POSIX_SOCKET_H
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#define HURD_LWIP_POSIX_SOCKET_H
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#include <sys/socket.h>
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#include <poll.h>
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#include <errno.h>
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#include LWIP_SOCKET_EXTERNAL_HEADER_INET_H
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typedef size_t msg_iovlen_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _HAVE_SA_LEN
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#define HAVE_SA_LEN _HAVE_SA_LEN
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#else
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#define HAVE_SA_LEN 0
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#endif /* _HAVE_SA_LEN */
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/* Address length safe read and write */
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#if HAVE_SA_LEN
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#define IP4ADDR_SOCKADDR_SET_LEN(sin) \
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(sin)->sin_len = sizeof(struct sockaddr_in)
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#define IP6ADDR_SOCKADDR_SET_LEN(sin6) \
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(sin6)->sin6_len = sizeof(struct sockaddr_in6)
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#define IPADDR_SOCKADDR_GET_LEN(addr) \
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(addr)->sa.sa_len
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#else
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#define IP4ADDR_SOCKADDR_SET_LEN(addr)
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#define IP6ADDR_SOCKADDR_SET_LEN(addr)
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#define IPADDR_SOCKADDR_GET_LEN(addr) \
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((addr)->sa.sa_family == AF_INET ? sizeof(struct sockaddr_in) \
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: ((addr)->sa.sa_family == AF_INET6 ? sizeof(struct sockaddr_in6) : 0))
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#endif /* HAVE_SA_LEN */
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#define SIN_ZERO_LEN sizeof (struct sockaddr) - \
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__SOCKADDR_COMMON_SIZE - \
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sizeof (in_port_t) - \
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sizeof (struct in_addr)
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#if !defined IOV_MAX
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#define IOV_MAX 0xFFFF
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#elif IOV_MAX > 0xFFFF
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#error "IOV_MAX larger than supported by LwIP"
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#endif /* IOV_MAX */
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#define LWIP_SELECT_MAXNFDS (FD_SETSIZE + LWIP_SOCKET_OFFSET)
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#if LWIP_UDP && LWIP_UDPLITE
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/*
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* Options for level IPPROTO_UDPLITE
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*/
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#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
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#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
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#endif /* LWIP_UDP && LWIP_UDPLITE*/
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#if 0
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void lwip_socket_thread_init(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */
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void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */
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int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
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int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
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int lwip_shutdown(int s, int how);
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int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
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int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
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int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
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int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
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int lwip_close(int s);
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int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
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int lwip_listen(int s, int backlog);
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ssize_t lwip_recv(int s, void *mem, size_t len, int flags);
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ssize_t lwip_read(int s, void *mem, size_t len);
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ssize_t lwip_readv(int s, const struct iovec *iov, int iovcnt);
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ssize_t lwip_recvfrom(int s, void *mem, size_t len, int flags,
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struct sockaddr *from, socklen_t *fromlen);
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ssize_t lwip_recvmsg(int s, struct msghdr *message, int flags);
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ssize_t lwip_send(int s, const void *dataptr, size_t size, int flags);
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ssize_t lwip_sendmsg(int s, const struct msghdr *message, int flags);
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ssize_t lwip_sendto(int s, const void *dataptr, size_t size, int flags,
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const struct sockaddr *to, socklen_t tolen);
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int lwip_socket(int domain, int type, int protocol);
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ssize_t lwip_write(int s, const void *dataptr, size_t size);
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ssize_t lwip_writev(int s, const struct iovec *iov, int iovcnt);
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#if LWIP_SOCKET_SELECT
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int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
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struct timeval *timeout);
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#endif
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#if LWIP_SOCKET_POLL
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int lwip_poll(struct pollfd *fds, nfds_t nfds, int timeout);
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#endif
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int lwip_ioctl(int s, long cmd, void *argp);
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int lwip_fcntl(int s, int cmd, int val);
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const char *lwip_inet_ntop(int af, const void *src, char *dst, socklen_t size);
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int lwip_inet_pton(int af, const char *src, void *dst);
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#endif
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/* Unsupported identifiers */
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#ifndef SO_NO_CHECK
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#define SO_NO_CHECK 0xFF
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#endif
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#ifndef SO_BINDTODEVICE
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#define SO_BINDTODEVICE 0xFE
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#endif
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#ifndef MSG_MORE
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#define MSG_MORE 0x0
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#endif
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#ifndef TCP_KEEPALIVE
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#define TCP_KEEPALIVE 0xFF
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#endif
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#ifndef TCP_KEEPIDLE
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#define TCP_KEEPIDLE 0xFE
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#endif
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#ifndef TCP_KEEPINTVL
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#define TCP_KEEPINTVL 0xFD
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#endif
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#ifndef TCP_KEEPCNT
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#define TCP_KEEPCNT 0xFC
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* HURD_LWIP_POSIX_SOCKET_H */
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