332 lines
10 KiB
C
332 lines
10 KiB
C
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/*********************************************************************
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PicoTCP. Copyright (c) 2013 TASS Belgium NV. Some rights reserved.
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See LICENSE and COPYING for usage.
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Do not redistribute without a written permission by the Copyright
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holders.
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Author: Maxime Vincent, Daniele Lacamera
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*********************************************************************/
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#ifndef PICO_BSD_SOCKETS_H_
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#define PICO_BSD_SOCKETS_H_
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#include <stdint.h>
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#include <signal.h>
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#include "pico_defines.h"
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#include "pico_constants.h"
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#include "pico_config.h"
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#include "pico_stack.h"
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#include "pico_icmp4.h"
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#include "pico_stack.h"
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#include "pico_ipv4.h"
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#include "pico_ipv6.h"
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#include "pico_dns_client.h"
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#include "pico_socket.h"
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#define SOCKSIZE 16
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#define SOCKSIZE6 28
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struct pico_bsd_endpoint;
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extern void *picoLock;
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extern void *pico_signal_tick;
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#if defined STDSOCKET || defined __socklen_t_defined
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <fcntl.h>
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#include <sys/poll.h>
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#include <sys/time.h>
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#ifdef __linux__
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#include <linux/tcp.h>
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#endif
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static inline int sockopt_get_name(int posix_name)
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{
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switch (posix_name) {
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case IP_MULTICAST_LOOP: return PICO_IP_MULTICAST_LOOP;
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case IP_MULTICAST_TTL: return PICO_IP_MULTICAST_TTL;
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case IP_MULTICAST_IF: return PICO_IP_MULTICAST_IF;
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case IP_ADD_MEMBERSHIP: return PICO_IP_ADD_MEMBERSHIP;
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case IP_DROP_MEMBERSHIP: return PICO_IP_DROP_MEMBERSHIP;
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case SO_RCVBUF : return PICO_SOCKET_OPT_RCVBUF;
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case SO_SNDBUF : return PICO_SOCKET_OPT_SNDBUF;
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case TCP_NODELAY : return PICO_TCP_NODELAY;
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case TCP_KEEPCNT : return PICO_SOCKET_OPT_KEEPCNT;
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case TCP_KEEPIDLE : return PICO_SOCKET_OPT_KEEPIDLE;
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case TCP_KEEPINTVL : return PICO_SOCKET_OPT_KEEPINTVL;
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}
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return -1;
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}
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#define pico_fd_set fd_set
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#define PICO_FD_SET FD_SET
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#define PICO_FD_CLR FD_CLR
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#define PICO_FD_ISSET FD_ISSET
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#define PICO_FD_ZERO FD_ZERO
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#undef fcntl
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#define fcntl pico_fcntl
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#else
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typedef int socklen_t;
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#define AF_INET (PICO_PROTO_IPV4)
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#define AF_INET6 (PICO_PROTO_IPV6)
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#define SOCK_STREAM (PICO_PROTO_TCP)
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#define SOCK_DGRAM (PICO_PROTO_UDP)
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#define SOL_SOCKET (0x80)
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#define IP_MULTICAST_LOOP (PICO_IP_MULTICAST_LOOP)
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#define IP_MULTICAST_TTL (PICO_IP_MULTICAST_TTL)
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#define IP_MULTICAST_IF (PICO_IP_MULTICAST_IF)
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#define IP_ADD_MEMBERSHIP (PICO_IP_ADD_MEMBERSHIP)
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#define IP_DROP_MEMBERSHIP (PICO_IP_DROP_MEMBERSHIP)
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#define SO_RCVBUF (PICO_SOCKET_OPT_RCVBUF)
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#define SO_SNDBUF (PICO_SOCKET_OPT_SNDBUF)
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#define TCP_NODELAY (PICO_TCP_NODELAY)
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#define TCP_KEEPCNT (PICO_SOCKET_OPT_KEEPCNT)
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#define TCP_KEEPIDLE (PICO_SOCKET_OPT_KEEPIDLE)
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#define TCP_KEEPINTVL (PICO_SOCKET_OPT_KEEPINTVL)
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#define SO_ERROR (4103)
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#define SO_REUSEADDR (2)
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#define sockopt_get_name(x) ((x))
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#define INET_ADDRSTRLEN (16)
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#define INET6_ADDRSTRLEN (46)
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struct sockaddr {
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uint16_t sa_family;
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};
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struct in_addr {
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uint32_t s_addr;
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};
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#define INADDR_ANY ((uint32_t)0U)
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struct in6_addr {
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uint8_t s6_addr[16];
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};
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struct __attribute__((packed)) sockaddr_in {
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uint16_t sin_family;
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uint16_t sin_port;
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struct in_addr sin_addr;
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uint8_t _pad[SOCKSIZE - 8];
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};
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struct __attribute__((packed)) sockaddr_in6 {
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uint16_t sin6_family;
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uint16_t sin6_port;
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uint32_t sin6_flowinfo;
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struct in6_addr sin6_addr;
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uint32_t sin6_scope_id;
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};
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struct __attribute__((packed)) sockaddr_storage {
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uint16_t ss_family;
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uint8_t _pad[(SOCKSIZE6 - sizeof(uint16_t))];
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};
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/* getaddrinfo */
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struct addrinfo {
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int ai_flags;
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int ai_family;
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int ai_socktype;
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int ai_protocol;
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socklen_t ai_addrlen;
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struct sockaddr *ai_addr;
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char *ai_canonname;
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struct addrinfo *ai_next;
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};
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/* hostent */
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struct hostent {
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char *h_name; /* official name of host */
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char **h_aliases; /* alias list */
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int h_addrtype; /* host address type */
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int h_length; /* length of address */
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char **h_addr_list; /* list of addresses */
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};
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#define h_addr h_addr_list[0] /* for backward compatibility */
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/* fd_set */
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#ifndef FD_SETSIZE
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#define FD_SETSIZE 64 /* 64 files max, 1 bit per file -> 64bits = 8 bytes */
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#endif
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struct pico_fd_set_s {
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uint8_t fds_bits[FD_SETSIZE/8];
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};
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typedef struct pico_fd_set_s pico_fd_set;
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#ifndef fd_set
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#define fd_set pico_fd_set
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#endif
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//typedef void sigset_t;
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#define PICO_FD_SET(n, p) ((p)->fds_bits[(n)/8] |= (1u << ((n) % 8)))
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#define PICO_FD_CLR(n, p) ((p)->fds_bits[(n)/8] &= ~(1u << ((n) % 8)))
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#define PICO_FD_ISSET(n, p) ((p)->fds_bits[(n)/8] & (1u << ((n) % 8)))
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#define PICO_FD_ZERO(p) do{memset((p)->fds_bits, 0, sizeof(struct pico_fd_set_s));}while(0)
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/* Not socket related */
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#ifndef __time_t_defined
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typedef pico_time time_t;
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#define __time_t_defined
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#endif
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#if !defined _TIME_H && !defined _TIMEVAL_DEFINED && !defined _STRUCT_TIMEVAL
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struct timeval {
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time_t tv_sec;
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time_t tv_usec;
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};
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#if !defined __timespec_defined && !defined _SYS__TIMESPEC_H_
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struct timespec {
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long tv_sec;
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long tv_nsec;
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};
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#endif
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struct timezone {
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int tz_minuteswest; /* minutes west of Greenwich */
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int tz_dsttime; /* type of DST correction */
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};
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#define _TIMEVAL_DEFINED
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#endif
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#endif /* STDSOCKET */
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#ifndef SO_REUSEPORT
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#define SO_REUSEPORT (15)
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#endif
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#ifndef FD_CLOEXEC
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#define FD_CLOEXEC 1
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#endif
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#ifndef F_DUPFD
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#define F_DUPFD 0
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#endif
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#ifndef F_GETFD
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#define F_GETFD 1
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#endif
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#ifndef F_SETFD
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#define F_SETFD 2
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#endif
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#ifndef F_GETFL
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#define F_GETFL 3
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#endif
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#ifndef F_SETFL
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#define F_SETFL 4
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#endif
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#ifndef O_NONBLOCK
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#define O_NONBLOCK 0x4000
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#endif
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#ifndef _SYS_POLL_H
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#define POLLIN 0x001 /* There is data to read. */
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#define POLLPRI 0x002 /* There is urgent data to read. */
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#define POLLOUT 0x004 /* Writing now will not block. */
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#define POLLRDNORM 0x040 /* Normal data may be read. */
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#define POLLRDBAND 0x080 /* Priority data may be read. */
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#define POLLWRNORM 0x100 /* Writing now will not block. */
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#define POLLWRBAND 0x200 /* Priority data may be written. */
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#define POLLMSG 0x400
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#define POLLREMOVE 0x1000
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#define POLLRDHUP 0x2000
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#define POLLERR 0x008 /* Error condition. */
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#define POLLHUP 0x010 /* Hung up. */
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#define POLLNVAL 0x020 /* Invalid polling request. */
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typedef unsigned long int nfds_t;
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struct pollfd {
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int fd;
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uint16_t events;
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uint16_t revents;
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};
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#endif
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int pico_newsocket(int domain, int type, int proto);
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int pico_bind(int sd, struct sockaddr * local_addr, socklen_t socklen);
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int pico_listen(int sd, int backlog);
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int pico_connect(int sd, struct sockaddr *_saddr, socklen_t socklen);
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int pico_isconnected(int sd);
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int pico_accept(int sd, struct sockaddr *_orig, socklen_t *socklen);
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int pico_sendto(int sd, void * buf, int len, int flags, struct sockaddr *_dst, socklen_t socklen);
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int pico_recvfrom(int sd, void * buf, int len, int flags, struct sockaddr *_addr, socklen_t *socklen);
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int pico_write(int sd, void * buf, int len);
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int pico_send(int sd, void * buf, int len, int flags);
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int pico_read(int sd, void * buf, int len);
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int pico_recv(int sd, void * buf, int len, int flags);
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int pico_close(int sd);
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int pico_shutdown(int sd, int how);
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int pico_getsockname(int sd, struct sockaddr * local_addr, socklen_t *socklen);
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int pico_getpeername(int sd, struct sockaddr * remote_addr, socklen_t *socklen);
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int pico_fcntl(int sd, int cmd, int arg);
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int pico_join_multicast_group(int sd, const char *address, const char *local);
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#ifdef PICO_SUPPORT_DNS_CLIENT
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struct hostent *pico_gethostbyname(const char *name);
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/* getaddrinfo */
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int pico_getaddrinfo(const char *node, const char *service,
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const struct addrinfo *hints,
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struct addrinfo **res);
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void pico_freeaddrinfo(struct addrinfo *res);
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#endif
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int pico_setsockopt (int sockfd, int level, int optname, const void *optval, socklen_t optlen);
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int pico_getsockopt (int sockfd, int level, int optname, void *optval, socklen_t *optlen);
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int pico_select (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
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int pico_pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout,
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const sigset_t *sigmask);
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int pico_poll (struct pollfd *pfd, nfds_t npfd, int timeout);
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int pico_ppoll (struct pollfd *pfd, nfds_t npfd, const struct timespec *timeout_ts, const sigset_t *sigmask);
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#ifndef PICO_SUPPORT_SNTP_CLIENT
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struct pico_timeval
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{
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pico_time tv_sec;
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pico_time tv_msec;
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};
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int pico_settimeofday(struct timeval *tv, struct timezone *tz);
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#endif
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int pico_gettimeofday(struct timeval *tv, struct timezone *tz);
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long XTIME(void);
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#define XGMTIME gmtime
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/* arpa/inet.h */
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const char *pico_inet_ntop (int af, const void *src, char *dst, socklen_t size);
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char *pico_inet_ntoa (struct in_addr in);
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/* Non-POSIX */
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void pico_bsd_init(void);
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void pico_bsd_deinit(void);
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void pico_bsd_stack_tick(void);
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void pico_bsd_stack_tick_timeout(int timeout_ms);
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uint16_t pico_bsd_select(struct pico_bsd_endpoint *ep);
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#ifdef REPLACE_STDCALLS
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#include "pico_bsd_syscalls.h"
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#endif
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#endif /* PICO_BSD_SOCKETS_H_ */
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