195 lines
6.3 KiB
C
195 lines
6.3 KiB
C
/*
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* Copyright 2002-2012 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SYS_SOCKET_H
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#define _SYS_SOCKET_H
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#include <stdint.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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typedef uint32_t socklen_t;
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/* Address families */
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#define AF_UNSPEC 0
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#define AF_INET 1
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#define AF_APPLETALK 2
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#define AF_ROUTE 3
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#define AF_LINK 4
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#define AF_INET6 5
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#define AF_DLI 6
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#define AF_IPX 7
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#define AF_NOTIFY 8
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#define AF_LOCAL 9
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#define AF_UNIX AF_LOCAL
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#define AF_BLUETOOTH 10
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#define AF_MAX 11
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/* Protocol families, deprecated */
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#define PF_UNSPEC AF_UNSPEC
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#define PF_INET AF_INET
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#define PF_ROUTE AF_ROUTE
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#define PF_LINK AF_LINK
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#define PF_INET6 AF_INET6
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#define PF_LOCAL AF_LOCAL
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#define PF_UNIX AF_UNIX
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#define PF_BLUETOOTH AF_BLUETOOTH
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/* Socket types */
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#define SOCK_STREAM 1
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#define SOCK_DGRAM 2
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#define SOCK_RAW 3
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#define SOCK_SEQPACKET 5
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#define SOCK_MISC 255
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/* Socket options for SOL_SOCKET level */
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#define SOL_SOCKET -1
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#define SO_ACCEPTCONN 0x00000001 /* socket has had listen() */
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#define SO_BROADCAST 0x00000002 /* permit sending of broadcast msgs */
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#define SO_DEBUG 0x00000004 /* turn on debugging info recording */
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#define SO_DONTROUTE 0x00000008 /* just use interface addresses */
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#define SO_KEEPALIVE 0x00000010 /* keep connections alive */
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#define SO_OOBINLINE 0x00000020 /* leave received OOB data in line */
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#define SO_REUSEADDR 0x00000040 /* allow local address reuse */
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#define SO_REUSEPORT 0x00000080 /* allow local address & port reuse */
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#define SO_USELOOPBACK 0x00000100 /* bypass hardware when possible */
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#define SO_LINGER 0x00000200 /* linger on close if data present */
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#define SO_SNDBUF 0x40000001 /* send buffer size */
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#define SO_SNDLOWAT 0x40000002 /* send low-water mark */
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#define SO_SNDTIMEO 0x40000003 /* send timeout */
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#define SO_RCVBUF 0x40000004 /* receive buffer size */
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#define SO_RCVLOWAT 0x40000005 /* receive low-water mark */
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#define SO_RCVTIMEO 0x40000006 /* receive timeout */
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#define SO_ERROR 0x40000007 /* get error status and clear */
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#define SO_TYPE 0x40000008 /* get socket type */
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#define SO_NONBLOCK 0x40000009
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#define SO_BINDTODEVICE 0x4000000a /* binds the socket to a specific device index */
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#define SO_PEERCRED 0x4000000b /* get peer credentials, param: ucred */
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/* Shutdown options */
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#define SHUT_RD 0
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#define SHUT_WR 1
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#define SHUT_RDWR 2
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#define SOMAXCONN 32 /* Max listen queue for a socket */
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struct linger {
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int l_onoff;
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int l_linger;
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};
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struct sockaddr {
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uint8_t sa_len;
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uint8_t sa_family;
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uint8_t sa_data[30];
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};
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struct sockaddr_storage {
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uint8_t ss_len; /* total length */
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uint8_t ss_family; /* address family */
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uint8_t __ss_pad1[6]; /* align to quad */
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uint64_t __ss_pad2; /* force alignment to 64 bit */
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uint8_t __ss_pad3[112]; /* pad to a total of 128 bytes */
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};
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struct msghdr {
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void *msg_name; /* address we're using (optional) */
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socklen_t msg_namelen; /* length of address */
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struct iovec *msg_iov; /* scatter/gather array we'll use */
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int msg_iovlen; /* # elements in msg_iov */
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void *msg_control; /* extra data */
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socklen_t msg_controllen; /* length of extra data */
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int msg_flags; /* flags */
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};
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/* Flags for the msghdr.msg_flags field */
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#define MSG_OOB 0x0001 /* process out-of-band data */
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#define MSG_PEEK 0x0002 /* peek at incoming message */
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#define MSG_DONTROUTE 0x0004 /* send without using routing tables */
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#define MSG_EOR 0x0008 /* data completes record */
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#define MSG_TRUNC 0x0010 /* data discarded before delivery */
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#define MSG_CTRUNC 0x0020 /* control data lost before delivery */
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#define MSG_WAITALL 0x0040 /* wait for full request or error */
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#define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */
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#define MSG_BCAST 0x0100 /* this message rec'd as broadcast */
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#define MSG_MCAST 0x0200 /* this message rec'd as multicast */
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#define MSG_EOF 0x0400 /* data completes connection */
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struct cmsghdr {
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socklen_t cmsg_len;
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int cmsg_level;
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int cmsg_type;
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/* data follows */
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};
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/* cmsghdr access macros */
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#define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) \
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+ _ALIGN(sizeof(struct cmsghdr)))
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#define CMSG_NXTHDR(mhdr, cmsg) \
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(((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len) \
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+ _ALIGN(sizeof(struct cmsghdr)) \
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> (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) \
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? (struct cmsghdr *)NULL \
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: (struct cmsghdr *)((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len)))
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#define CMSG_FIRSTHDR(mhdr) \
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((mhdr)->msg_controllen >= sizeof(struct cmsghdr) \
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? (struct cmsghdr *)(mhdr)->msg_control \
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: (struct cmsghdr *)NULL)
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#define CMSG_SPACE(len) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(len))
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#define CMSG_LEN(len) (_ALIGN(sizeof(struct cmsghdr)) + (len))
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#define CMSG_ALIGN(len) _ALIGN(len)
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/* SOL_SOCKET control message types */
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#define SCM_RIGHTS 0x01
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/* parameter to SO_PEERCRED */
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struct ucred {
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pid_t pid; /* PID of sender */
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uid_t uid; /* UID of sender */
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gid_t gid; /* GID of sender */
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};
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#if __cplusplus
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extern "C" {
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#endif
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int accept(int socket, struct sockaddr *address, socklen_t *_addressLength);
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int bind(int socket, const struct sockaddr *address,
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socklen_t addressLength);
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int connect(int socket, const struct sockaddr *address,
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socklen_t addressLength);
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int getpeername(int socket, struct sockaddr *address,
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socklen_t *_addressLength);
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int getsockname(int socket, struct sockaddr *address,
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socklen_t *_addressLength);
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int getsockopt(int socket, int level, int option, void *value,
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socklen_t *_length);
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int listen(int socket, int backlog);
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ssize_t recv(int socket, void *buffer, size_t length, int flags);
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ssize_t recvfrom(int socket, void *buffer, size_t bufferLength, int flags,
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struct sockaddr *address, socklen_t *_addressLength);
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ssize_t recvmsg(int socket, struct msghdr *message, int flags);
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ssize_t send(int socket, const void *buffer, size_t length, int flags);
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ssize_t sendmsg(int socket, const struct msghdr *message, int flags);
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ssize_t sendto(int socket, const void *message, size_t length, int flags,
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const struct sockaddr *address, socklen_t addressLength);
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int setsockopt(int socket, int level, int option, const void *value,
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socklen_t length);
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int shutdown(int socket, int how);
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int socket(int domain, int type, int protocol);
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int sockatmark(int descriptor);
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int socketpair(int domain, int type, int protocol, int socketVector[2]);
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#if __cplusplus
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}
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#endif
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#endif /* _SYS_SOCKET_H */
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