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