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(*
Title: Standard Basis Library: Internet Sockets
Author: David Matthews
Copyright David Matthews 2000
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*)
(* G&R 2004 status: Checked, no change. *)
signature INET_SOCK =
sig
type inet
type 'sock_type sock = (inet, 'sock_type) Socket.sock
type 'mode stream_sock = 'mode Socket.stream sock
type dgram_sock = Socket.dgram sock
type sock_addr = inet Socket.sock_addr
val inetAF : Socket.AF.addr_family
val toAddr : NetHostDB.in_addr * int -> sock_addr
val fromAddr : sock_addr -> NetHostDB.in_addr * int
val any : int -> sock_addr
structure UDP :
sig
val socket : unit -> dgram_sock
val socket' : int -> dgram_sock
end
structure TCP :
sig
val socket : unit -> 'mode stream_sock
val socket' : int -> 'mode stream_sock
val getNODELAY : 'mode stream_sock -> bool
val setNODELAY : 'mode stream_sock * bool -> unit
end
end;
structure INetSock :> INET_SOCK =
struct
abstype inet = ABSTRACT with end;
type 'sock_type sock = (inet, 'sock_type) Socket.sock
type 'mode stream_sock = 'mode Socket.stream sock
type dgram_sock = Socket.dgram sock
type sock_addr = inet Socket.sock_addr
val inetAF : Socket.AF.addr_family =
case Socket.AF.fromString "INET" of
NONE => raise OS.SysErr("Missing address family", NONE)
| SOME s => s
local
val doCall = RunCall.run_call2 RuntimeCalls.POLY_SYS_network
in
fun toAddr(iaddr: NetHostDB.in_addr, port: int) : sock_addr =
doCall(40, (port, iaddr))
end
local
val doCall1 = RunCall.run_call2 RuntimeCalls.POLY_SYS_network
and doCall2 = RunCall.run_call2 RuntimeCalls.POLY_SYS_network
in
fun fromAddr (s: sock_addr) : NetHostDB.in_addr * int =
if Socket.familyOfAddr s <> inetAF
then raise Match
else (doCall1(42, s), doCall2(41, s))
end
local
val doCall = RunCall.run_call2 RuntimeCalls.POLY_SYS_network
val iAddrAny: NetHostDB.in_addr = doCall(13, ())
in
fun any (p: int) : sock_addr = toAddr(iAddrAny, p)
end
local
val doCall1 = RunCall.run_call2 RuntimeCalls.POLY_SYS_network
val doCall2 = RunCall.run_call2 RuntimeCalls.POLY_SYS_network
in
structure UDP =
struct
fun socket () = GenericSock.socket(inetAF, Socket.SOCK.dgram)
fun socket' p = GenericSock.socket'(inetAF, Socket.SOCK.dgram, p)
end
structure TCP =
struct
fun socket () = GenericSock.socket(inetAF, Socket.SOCK.stream)
fun socket' p = GenericSock.socket'(inetAF, Socket.SOCK.stream, p)
fun getNODELAY(s: 'mode stream_sock): bool =
doCall1(16, RunCall.unsafeCast s)
fun setNODELAY (s: 'mode stream_sock, b: bool): unit =
doCall2(15, (RunCall.unsafeCast s, b))
end
end
end;
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