scsh-0.5/scsh/next/netconst.scm

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1995-10-13 23:34:21 -04:00
;;; Magic Numbers for Networking
;;; Copyright (c) 1994 by Brian D. Carlstrom.
;;; magic numbers not from header file
;;; but from man page
;;; why can't unix make up its mind
(define shutdown/receives 0)
(define shutdown/sends 1)
(define shutdown/sends+receives 2)
;;;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
;;; BELOW THIS POINT ARE BITS FROM:
;;; <sys/socket.h>
;;; <sys/un.h>
;;; <netinet/in.h>
;;; <netinet/tcp.h>
;;; <netdb.h>
;;;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
;;; ADDRESS FAMILIES -- <sys/socket.h>
(define address-family/unspecified 0) ; unspecified
(define address-family/unix 1) ; local to host (pipes, portals)
(define address-family/internet 2) ; internetwork: UDP, TCP, etc.
;;; SOCKET TYPES -- <sys/socket.h>
(define socket-type/stream 1) ; stream socket
(define socket-type/datagram 2) ; datagram socket
(define socket-type/raw 3) ; raw-protocol interface
;;(define socket-type/rdm 4) ; reliably-delivered message
;;(define socket-type/seqpacket 5) ; sequenced packet stream
;;; PROTOCOL FAMILIES -- <sys/socket.h>
(define protocol-family/unspecified 0) ; unspecified
(define protocol-family/unix 1) ; local to host (pipes, portals)
(define protocol-family/internet 2) ; internetwork: UDP, TCP, etc.
;;; Well know addresses -- <netinet/in.h>
(define internet-address/any #x00000000)
(define internet-address/loopback #x7f000001)
(define internet-address/broadcast #xffffffff) ; must be masked
;;; errors from host lookup -- <netdb.h>
(define herror/host-not-found 1) ;Authoritative Answer Host not found
(define herror/try-again 2) ;Non-Authoritive Host not found, or SERVERFAIL
(define herror/no-recovery 3) ;Non recoverable errors, FORMERR, REFUSED, NOTIMP
(define herror/no-data 4) ;Valid name, no data record of requested type
(define herror/no-address herror/no-data) ;no address, look for MX record
;;; flags for send/recv -- <sys/socket.h>
(define message/out-of-band 1) ; process out-of-band data
(define message/peek 2) ; peek at incoming message
(define message/dont-route 4) ; send without using routing tables
;;; protocol level for socket options -- <sys/socket.h>
(define level/socket #xffff) ; SOL_SOCKET: options for socket level
;;; socket options -- <sys/socket.h>
(define socket/debug #x0001) ; turn on debugging info recording
(define socket/accept-connect #x0002) ; socket has had listen()
(define socket/reuse-address #x0004) ; allow local address reuse
(define socket/keep-alive #x0008) ; keep connections alive
(define socket/dont-route #x0010) ; just use interface addresses
(define socket/broadcast #x0020) ; permit sending of broadcast msgs
(define socket/use-loop-back #x0040) ; bypass hardware when possible
(define socket/linger #x0080) ; linger on close if data present
(define socket/oob-inline #x0100) ; leave received OOB data in line
(define socket/use-privileged #x4000) ; allocate from privileged port area
(define socket/cant-signal #x8000) ; prevent SIGPIPE on SS_CANTSENDMORE
(define socket/send-buffer #x1001) ; send buffer size
(define socket/receive-buffer #x1002) ; receive buffer size
(define socket/send-low-water #x1003) ; send low-water mark
(define socket/receive-low-water #x1004) ; receive low-water mark
(define socket/send-timeout #x1005) ; send timeout
(define socket/receive-timeout #x1006) ; receive timeout
(define socket/error #x1007) ; get error status and clear
(define socket/type #x1008) ; get socket type
;;; ip options -- <netinet/in.h>
(define ip/options 1) ; set/get IP per-packet options
(define ip/time-to-live 2) ; set/get IP time-to-live value
;;; tcp options -- <netinet/tcp.h>
(define tcp/no-delay #x01) ; don't delay send to coalesce packets
(define tcp/max-segment #x02) ; set maximum segment size
;;; -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
;;; OPTION SETS FOR SOCKET-OPTION AND SET-SOCKET-OPTION
;;; Boolean Options
(define options/boolean
(list socket/debug
socket/accept-connect
socket/reuse-address
socket/keep-alive
socket/dont-route
socket/broadcast
socket/use-loop-back
socket/oob-inline
socket/use-privileged
socket/cant-signal
tcp/no-delay))
;;; Integer Options
(define options/value
(list socket/send-buffer
socket/receive-buffer
socket/send-low-water
socket/receive-low-water
socket/error
socket/type
ip/time-to-live
tcp/max-segment))
;;; #f or Positive Integer
(define options/linger
(list socket/linger))
;;; Real Number
(define options/timeout
(list socket/send-timeout
socket/receive-timeout))