| SOME 1 => SOME true
| _ => NONE
+fun sendQuery (bio, q) =
+ case q of
+ QApt s => (OpenSSL.writeInt (bio, 0);
+ OpenSSL.writeString (bio, s))
+ | QCron s => (OpenSSL.writeInt (bio, 1);
+ OpenSSL.writeString (bio, s))
+ | QFtp s => (OpenSSL.writeInt (bio, 2);
+ OpenSSL.writeString (bio, s))
+
+fun recvQuery bio =
+ case OpenSSL.readInt bio of
+ SOME n =>
+ (case n of
+ 0 => Option.map QApt (OpenSSL.readString bio)
+ | 1 => Option.map QCron (OpenSSL.readString bio)
+ | 2 => Option.map QFtp (OpenSSL.readString bio)
+ | _ => NONE)
+ | NONE => NONE
+
fun send (bio, m) =
case m of
MsgOk => OpenSSL.writeInt (bio, 1)
| MsgDbPasswd {dbtype, passwd} => (OpenSSL.writeInt (bio, 28);
OpenSSL.writeString (bio, dbtype);
OpenSSL.writeString (bio, passwd))
+ | MsgShutdown => OpenSSL.writeInt (bio, 29)
+ | MsgYes => OpenSSL.writeInt (bio, 30)
+ | MsgNo => OpenSSL.writeInt (bio, 31)
+ | MsgQuery q => (OpenSSL.writeInt (bio, 32);
+ sendQuery (bio, q))
fun checkIt v =
case v of
(SOME dbtype, SOME passwd) =>
SOME (MsgDbPasswd {dbtype = dbtype, passwd = passwd})
| _ => NONE)
+ | 29 => SOME MsgShutdown
+ | 30 => SOME MsgYes
+ | 31 => SOME MsgNo
+ | 32 => Option.map MsgQuery (recvQuery bio)
| _ => NONE)
end