go/src/netstack/socket_types.go - fuchsia - Git at Google

 // Copyright 2017 The Fuchsia Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 package main

 // Types from <fdio/socket.h>.
 // These were extracted from cgo by building the program:
 //
 //	package typesextract
 //
 //	// #include <arpa/inet.h>
 //	// #include <netdb.h>
 //	// #include <netinet/in.h>
 //	// #include <netinet/tcp.h>
 //	// #include <sys/ioctl.h>
 //	// #include <sys/socket.h>
 //	// #include <sys/types.h>
 //	// #include <fdio/socket.h>
 //	import "C"
 //
 //	func F() {
 //		_ = C.struct_addrinfo{}
 //		_ = C.struct_sockaddr_in{}
 //		_ = C.struct_sockaddr_in6{}
 //		_ = C.struct_mxrio_sockaddr_reply{}
 //		_ = C.struct_mxrio_sockopt_req_reply{}
 //		_ = C.struct_fdio_socket_msg{}
 //		_ = C.AF_INET
 //		_ = C.AF_INET6
 //		_ = C.SOL_SOCKET
 //		_ = C.SOL_TCP
 //
 //		_ = C.SO_REUSEADDR
 //		_ = C.SO_TYPE
 //		_ = C.SO_ERROR
 //		_ = C.SO_DONTROUTE
 //		_ = C.SO_BROADCAST
 //		_ = C.SO_SNDBUF
 //		_ = C.SO_RCVBUF
 //		_ = C.SO_KEEPALIVE
 //		_ = C.SO_NO_CHECK
 //		_ = C.SO_PRIORITY
 //		_ = C.SO_LINGER
 //		_ = C.SO_BSDCOMPAT
 //		_ = C.SO_REUSEPORT
 //		_ = C.SO_PASSCRED
 //		_ = C.SO_PEERCRED
 //		_ = C.SO_RCVLOWAT
 //		_ = C.SO_SNDLOWAT
 //		_ = C.SO_RCVTIMEO
 //		_ = C.SO_SNDTIMEO
 //		_ = C.SO_ACCEPTCONN
 //		_ = C.SO_SNDBUFFORCE
 //		_ = C.SO_RCVBUFFORCE
 //		_ = C.SO_PROTOCOL
 //		_ = C.SO_DOMAIN
 //
 //		_ = C.TCP_NODELAY
 //		_ = C.TCP_MAXSEG
 //		_ = C.TCP_CORK
 //		_ = C.TCP_KEEPIDLE
 //		_ = C.TCP_KEEPINTVL
 //		_ = C.TCP_KEEPCNT
 //		_ = C.TCP_SYNCNT
 //		_ = C.TCP_LINGER2
 //		_ = C.TCP_DEFER_ACCEPT
 //		_ = C.TCP_WINDOW_CLAMP
 //		_ = C.TCP_INFO
 //		_ = C.TCP_QUICKACK
 //	}
 //
 // Then the names were cleaned up manually, with commands like:
 //	s/_t$//
 //	s/_Ctype_struct_/c_/
 //	s/_Ctype_/c_/
 //	...
 //
 // Two big changes are c_in_port and c_in_addr, which for historcical
 // UNIX reasons have terrible type representations, so we treat them
 // as byte arrays.
 //
 // This will probably all be FIDL one day.

 // TODO: move some subset of these constants to syscall package
 const O_RDWR = 02
 const O_DIRECTORY = 02000000
 const SOCK_STREAM = 1
 const SOCK_DGRAM = 2

 const IPPROTO_IP = 0
 const IPPROTO_ICMP = 1
 const IPPROTO_TCP = 6
 const IPPROTO_UDP = 17
 const IPPROTO_ICMPV6 = 58

 const AF_UNSPEC = 0
 const AF_INET = 2
 const AF_INET6 = 10

 const SOL_IP = 0
 const SOL_SOCKET = 0x1
 const SOL_TCP = 0x6

 const IP_TOS = 1
 const IP_TTL = 2
 const IP_MULTICAST_IF = 32
 const IP_MULTICAST_TTL = 33
 const IP_MULTICAST_LOOP = 34
 const IP_ADD_MEMBERSHIP = 35
 const IP_DROP_MEMBERSHIP = 36

 const SO_ACCEPTCONN = 0x1e
 const SO_BROADCAST = 0x6
 const SO_BSDCOMPAT = 0xe
 const SO_DEBUG = 0x1
 const SO_DOMAIN = 0x27
 const SO_DONTROUTE = 0x5
 const SO_ERROR = 0x4
 const SO_KEEPALIVE = 0x9
 const SO_LINGER = 0xd
 const SO_NO_CHECK = 0xb
 const SO_PASSCRED = 0x10
 const SO_PEERCRED = 0x11
 const SO_PRIORITY = 0xc
 const SO_PROTOCOL = 0x26
 const SO_RCVBUF = 0x8
 const SO_RCVBUFFORCE = 0x21
 const SO_RCVLOWAT = 0x12
 const SO_RCVTIMEO = 0x14
 const SO_REUSEADDR = 0x2
 const SO_REUSEPORT = 0xf
 const SO_SNDBUF = 0x7
 const SO_SNDBUFFORCE = 0x20
 const SO_SNDLOWAT = 0x13
 const SO_SNDTIMEO = 0x15
 const SO_TYPE = 0x3

 const TCP_NODELAY = 1
 const TCP_MAXSEG = 2
 const TCP_CORK = 3
 const TCP_KEEPIDLE = 4
 const TCP_KEEPINTVL = 5
 const TCP_KEEPCNT = 6
 const TCP_SYNCNT = 7
 const TCP_LINGER2 = 8
 const TCP_DEFER_ACCEPT = 9
 const TCP_WINDOW_CLAMP = 10
 const TCP_INFO = 11
 const TCP_QUICKACK = 12

 const EAI_BADFLAGS = -1
 const EAI_NONAME = -2
 const EAI_AGAIN = -3
 const EAI_FAIL = -4
 const EAI_FAMILY = -6
 const EAI_SOCKTYPE = -7
 const EAI_SERVICE = -8
 const EAI_MEMORY = -10
 const EAI_SYSTEM = -11
 const EAI_OVERFLOW = -12

 const NETC_IFF_UP = 1

 type c_socklen uint32
 type c_in_port [2]byte // uint16 in C, but stored in network order
 type c_sa_family uint16
 type c_in_addr [4]byte // uint32 in C, but stored in network order
 type c_ulong uint64

 type c_mxrio_sockaddr_reply struct {
 	addr c_sockaddr_storage
 	len  c_socklen
 	_    [4]byte
 }

 type c_mxrio_sockopt_req_reply struct {
 	level   int32
 	optname int32
 	optval  [128]uint8
 	optlen  c_socklen
 }

 type c_mxrio_sockopt_tcp_info struct {
 	state              uint8
 	ca_state           uint8
 	retransmits        uint8
 	probes             uint8
 	backoff            uint8
 	options            uint8
 	snd_and_rcv_wscale uint8

 	rto     uint32
 	ato     uint32
 	snd_mss uint32
 	rcv_mss uint32

 	unacked uint32
 	sacked  uint32
 	lost    uint32
 	retrans uint32
 	fackets uint32

 	// Times
 	last_data_sent uint32
 	last_ack_sent  uint32
 	last_data_recv uint32
 	last_ack_recv  uint32

 	// Metrics
 	pmtu         uint32
 	rcv_ssthresh uint32
 	rtt          uint32
 	rttvar       uint32
 	snd_ssthresh uint32
 	snd_cwnd     uint32
 	advmss       uint32
 	reordering   uint32

 	rcv_rtt   uint32
 	rcv_space uint32

 	total_retrans uint32

 	pacing_rate     uint64
 	max_pacing_rate uint64
 	bytes_acked     uint64
 	bytes_received  uint64

 	segs_out uint32
 	segs_in  uint32
 }

 type c_sockaddr struct {
 	sa_family c_sa_family
 	sa_data   [14]uint8
 }

 type c_sockaddr_in struct {
 	sin_family c_sa_family
 	sin_port   c_in_port // network order
 	sin_addr   c_in_addr
 	sin_zero   [8]uint8
 }

 type c_in6_addr [16]byte

 type c_sockaddr_in6 struct {
 	sin6_family   c_sa_family
 	sin6_port     c_in_port // network order
 	sin6_flowinfo uint32
 	sin6_addr     c_in6_addr
 	sin6_scope_id uint32
 }

 type c_sockaddr_storage struct {
 	ss_family    c_sa_family
 	_            [6]byte
 	__ss_align   c_ulong
 	__ss_padding [112]uint8
 }

 type c_fdio_socket_msg_hdr struct {
 	addr    c_sockaddr_storage
 	addrlen c_socklen
 	flags   int32
 }

 type c_fdio_socket_msg struct {
 	hdr  c_fdio_socket_msg_hdr
 	data [1]uint8
 	_    [7]byte
 }

 type c_ip_mreq struct {
 	imr_multiaddr c_in_addr
 	imr_interface c_in_addr
 }

 type c_ip_mreqn struct {
 	imr_multiaddr c_in_addr
 	imr_address   c_in_addr
 	imr_ifindex   int32
 }

 type c_netc_if_info struct {
 	name       [16]byte
 	addr       c_sockaddr_storage
 	netmask    c_sockaddr_storage
 	broadaddr  c_sockaddr_storage
 	flags      uint32
 	index      uint16
 	hwaddr_len uint16
 	hwaddr     [8]uint8
 }

 type c_netc_get_if_info struct {
 	n_info uint32
 	info   [16]c_netc_if_info
 }
	// Copyright 2017 The Fuchsia Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	package main

	// Types from <fdio/socket.h>.
	// These were extracted from cgo by building the program:
	//
	// package typesextract
	//
	// // #include <arpa/inet.h>
	// // #include <netdb.h>
	// // #include <netinet/in.h>
	// // #include <netinet/tcp.h>
	// // #include <sys/ioctl.h>
	// // #include <sys/socket.h>
	// // #include <sys/types.h>
	// // #include <fdio/socket.h>
	// import "C"
	//
	// func F() {
	// _ = C.struct_addrinfo{}
	// _ = C.struct_sockaddr_in{}
	// _ = C.struct_sockaddr_in6{}
	// _ = C.struct_mxrio_sockaddr_reply{}
	// _ = C.struct_mxrio_sockopt_req_reply{}
	// _ = C.struct_fdio_socket_msg{}
	// _ = C.AF_INET
	// _ = C.AF_INET6
	// _ = C.SOL_SOCKET
	// _ = C.SOL_TCP
	//
	// _ = C.SO_REUSEADDR
	// _ = C.SO_TYPE
	// _ = C.SO_ERROR
	// _ = C.SO_DONTROUTE
	// _ = C.SO_BROADCAST
	// _ = C.SO_SNDBUF
	// _ = C.SO_RCVBUF
	// _ = C.SO_KEEPALIVE
	// _ = C.SO_NO_CHECK
	// _ = C.SO_PRIORITY
	// _ = C.SO_LINGER
	// _ = C.SO_BSDCOMPAT
	// _ = C.SO_REUSEPORT
	// _ = C.SO_PASSCRED
	// _ = C.SO_PEERCRED
	// _ = C.SO_RCVLOWAT
	// _ = C.SO_SNDLOWAT
	// _ = C.SO_RCVTIMEO
	// _ = C.SO_SNDTIMEO
	// _ = C.SO_ACCEPTCONN
	// _ = C.SO_SNDBUFFORCE
	// _ = C.SO_RCVBUFFORCE
	// _ = C.SO_PROTOCOL
	// _ = C.SO_DOMAIN
	//
	// _ = C.TCP_NODELAY
	// _ = C.TCP_MAXSEG
	// _ = C.TCP_CORK
	// _ = C.TCP_KEEPIDLE
	// _ = C.TCP_KEEPINTVL
	// _ = C.TCP_KEEPCNT
	// _ = C.TCP_SYNCNT
	// _ = C.TCP_LINGER2
	// _ = C.TCP_DEFER_ACCEPT
	// _ = C.TCP_WINDOW_CLAMP
	// _ = C.TCP_INFO
	// _ = C.TCP_QUICKACK
	// }
	//
	// Then the names were cleaned up manually, with commands like:
	// s/_t$//
	// s/_Ctype_struct_/c_/
	// s/_Ctype_/c_/
	// ...
	//
	// Two big changes are c_in_port and c_in_addr, which for historcical
	// UNIX reasons have terrible type representations, so we treat them
	// as byte arrays.
	//
	// This will probably all be FIDL one day.

	// TODO: move some subset of these constants to syscall package
	const O_RDWR = 02
	const O_DIRECTORY = 02000000
	const SOCK_STREAM = 1
	const SOCK_DGRAM = 2

	const IPPROTO_IP = 0
	const IPPROTO_ICMP = 1
	const IPPROTO_TCP = 6
	const IPPROTO_UDP = 17
	const IPPROTO_ICMPV6 = 58

	const AF_UNSPEC = 0
	const AF_INET = 2
	const AF_INET6 = 10

	const SOL_IP = 0
	const SOL_SOCKET = 0x1
	const SOL_TCP = 0x6

	const IP_TOS = 1
	const IP_TTL = 2
	const IP_MULTICAST_IF = 32
	const IP_MULTICAST_TTL = 33
	const IP_MULTICAST_LOOP = 34
	const IP_ADD_MEMBERSHIP = 35
	const IP_DROP_MEMBERSHIP = 36

	const SO_ACCEPTCONN = 0x1e
	const SO_BROADCAST = 0x6
	const SO_BSDCOMPAT = 0xe
	const SO_DEBUG = 0x1
	const SO_DOMAIN = 0x27
	const SO_DONTROUTE = 0x5
	const SO_ERROR = 0x4
	const SO_KEEPALIVE = 0x9
	const SO_LINGER = 0xd
	const SO_NO_CHECK = 0xb
	const SO_PASSCRED = 0x10
	const SO_PEERCRED = 0x11
	const SO_PRIORITY = 0xc
	const SO_PROTOCOL = 0x26
	const SO_RCVBUF = 0x8
	const SO_RCVBUFFORCE = 0x21
	const SO_RCVLOWAT = 0x12
	const SO_RCVTIMEO = 0x14
	const SO_REUSEADDR = 0x2
	const SO_REUSEPORT = 0xf
	const SO_SNDBUF = 0x7
	const SO_SNDBUFFORCE = 0x20
	const SO_SNDLOWAT = 0x13
	const SO_SNDTIMEO = 0x15
	const SO_TYPE = 0x3

	const TCP_NODELAY = 1
	const TCP_MAXSEG = 2
	const TCP_CORK = 3
	const TCP_KEEPIDLE = 4
	const TCP_KEEPINTVL = 5
	const TCP_KEEPCNT = 6
	const TCP_SYNCNT = 7
	const TCP_LINGER2 = 8
	const TCP_DEFER_ACCEPT = 9
	const TCP_WINDOW_CLAMP = 10
	const TCP_INFO = 11
	const TCP_QUICKACK = 12

	const EAI_BADFLAGS = -1
	const EAI_NONAME = -2
	const EAI_AGAIN = -3
	const EAI_FAIL = -4
	const EAI_FAMILY = -6
	const EAI_SOCKTYPE = -7
	const EAI_SERVICE = -8
	const EAI_MEMORY = -10
	const EAI_SYSTEM = -11
	const EAI_OVERFLOW = -12

	const NETC_IFF_UP = 1

	type c_socklen uint32
	type c_in_port [2]byte // uint16 in C, but stored in network order
	type c_sa_family uint16
	type c_in_addr [4]byte // uint32 in C, but stored in network order
	type c_ulong uint64

	type c_mxrio_sockaddr_reply struct {
	addr c_sockaddr_storage
	len c_socklen
	_ [4]byte
	}

	type c_mxrio_sockopt_req_reply struct {
	level int32
	optname int32
	optval [128]uint8
	optlen c_socklen
	}

	type c_mxrio_sockopt_tcp_info struct {
	state uint8
	ca_state uint8
	retransmits uint8
	probes uint8
	backoff uint8
	options uint8
	snd_and_rcv_wscale uint8

	rto uint32
	ato uint32
	snd_mss uint32
	rcv_mss uint32

	unacked uint32
	sacked uint32
	lost uint32
	retrans uint32
	fackets uint32

	// Times
	last_data_sent uint32
	last_ack_sent uint32
	last_data_recv uint32
	last_ack_recv uint32

	// Metrics
	pmtu uint32
	rcv_ssthresh uint32
	rtt uint32
	rttvar uint32
	snd_ssthresh uint32
	snd_cwnd uint32
	advmss uint32
	reordering uint32

	rcv_rtt uint32
	rcv_space uint32

	total_retrans uint32

	pacing_rate uint64
	max_pacing_rate uint64
	bytes_acked uint64
	bytes_received uint64

	segs_out uint32
	segs_in uint32
	}

	type c_sockaddr struct {
	sa_family c_sa_family
	sa_data [14]uint8
	}

	type c_sockaddr_in struct {
	sin_family c_sa_family
	sin_port c_in_port // network order
	sin_addr c_in_addr
	sin_zero [8]uint8
	}

	type c_in6_addr [16]byte

	type c_sockaddr_in6 struct {
	sin6_family c_sa_family
	sin6_port c_in_port // network order
	sin6_flowinfo uint32
	sin6_addr c_in6_addr
	sin6_scope_id uint32
	}

	type c_sockaddr_storage struct {
	ss_family c_sa_family
	_ [6]byte
	__ss_align c_ulong
	__ss_padding [112]uint8
	}

	type c_fdio_socket_msg_hdr struct {
	addr c_sockaddr_storage
	addrlen c_socklen
	flags int32
	}

	type c_fdio_socket_msg struct {
	hdr c_fdio_socket_msg_hdr
	data [1]uint8
	_ [7]byte
	}

	type c_ip_mreq struct {
	imr_multiaddr c_in_addr
	imr_interface c_in_addr
	}

	type c_ip_mreqn struct {
	imr_multiaddr c_in_addr
	imr_address c_in_addr
	imr_ifindex int32
	}

	type c_netc_if_info struct {
	name [16]byte
	addr c_sockaddr_storage
	netmask c_sockaddr_storage
	broadaddr c_sockaddr_storage
	flags uint32
	index uint16
	hwaddr_len uint16
	hwaddr [8]uint8
	}

	type c_netc_get_if_info struct {
	n_info uint32
	info [16]c_netc_if_info
	}