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Plumbmsg: module
{
PATH: con "/dis/lib/plumbmsg.dis";
# Message format:
# source application\n
# destination application\n
# working directory\n
# type\n
# properties\n
# nbytes\n
# n bytes
Msg: adt
{
src: string;
dst: string;
dir: string;
kind: string;
attr: string;
data: array of byte;
# used by applications
send: fn(msg: self ref Msg): int;
recv: fn(): ref Msg;
# used by plumb and send, recv
pack: fn(msg: self ref Msg): array of byte;
unpack: fn(b: array of byte): ref Msg;
};
Attr: adt
{
name: string;
val: string;
};
init: fn(doinput: int, rcvport: string, maxdata: int): int;
shutdown: fn();
string2attrs: fn(s: string): list of ref Attr;
attrs2string: fn(l: list of ref Attr): string;
lookup: fn(attrs: list of ref Attr, name: string): (int, string);
};
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