(SOME user, SOME class, SOME value) => SOME {user = user, class = class, value = value}
| _ => NONE
+fun sendList f (bio, ls) =
+ (app (fn x =>
+ (OpenSSL.writeInt (bio, 1);
+ f (bio, x))) ls;
+ OpenSSL.writeInt (bio, 0))
+
+fun recvList f bio =
+ let
+ fun loop ls =
+ case OpenSSL.readInt bio of
+ SOME 0 => SOME (rev ls)
+ | SOME 1 =>
+ (case f bio of
+ SOME x => loop (x :: ls)
+ | NONE => NONE)
+ | _ => NONE
+ in
+ loop []
+ end
+
fun send (bio, m) =
case m of
MsgOk => OpenSSL.writeInt (bio, 1)
sendAcl (bio, acl))
| MsgRevoke acl => (OpenSSL.writeInt (bio, 7);
sendAcl (bio, acl))
+ | MsgListPerms user => (OpenSSL.writeInt (bio, 8);
+ OpenSSL.writeString (bio, user))
+ | MsgPerms classes => (OpenSSL.writeInt (bio, 9);
+ sendList (fn (bio, (class, values)) =>
+ (OpenSSL.writeString (bio, class);
+ sendList OpenSSL.writeString (bio, values)))
+ (bio, classes))
+ | MsgWhoHas {class, value} => (OpenSSL.writeInt (bio, 10);
+ OpenSSL.writeString (bio, class);
+ OpenSSL.writeString (bio, value))
+ | MsgWhoHasResponse users => (OpenSSL.writeInt (bio, 11);
+ sendList OpenSSL.writeString (bio, users))
+ | MsgMultiConfig codes => (OpenSSL.writeInt (bio, 12);
+ sendList OpenSSL.writeString (bio, codes))
+ | MsgRmdom dom => (OpenSSL.writeInt (bio, 13);
+ OpenSSL.writeString (bio, dom))
fun checkIt v =
case v of
| 7 => (case recvAcl bio of
SOME acl => SOME (MsgRevoke acl)
| _ => NONE)
+ | 8 => (case OpenSSL.readString bio of
+ SOME user => SOME (MsgListPerms user)
+ | _ => NONE)
+ | 9 => Option.map MsgPerms
+ (recvList (fn bio =>
+ case (OpenSSL.readString bio,
+ recvList OpenSSL.readString bio) of
+ (SOME class, SOME values) => SOME (class, values)
+ | _ => NONE) bio)
+ | 10 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of
+ (SOME class, SOME value) => SOME (MsgWhoHas {class = class, value = value})
+ | _ => NONE)
+ | 11 => Option.map MsgWhoHasResponse
+ (recvList OpenSSL.readString bio)
+ | 12 => Option.map MsgMultiConfig
+ (recvList OpenSSL.readString bio)
+ | 13 => Option.map MsgRmdom (OpenSSL.readString bio)
| _ => NONE)
end