val dmy = ErrorMsg.dummyLoc
+fun init () = (F_OpenSSL_SML_add_all_algorithms.f' ();
+ F_OpenSSL_SML_load_error_strings.f' ();
+ F_OpenSSL_SML_load_BIO_strings.f' ())
+
+val () = init ()
+
val defaultT : record ref = ref SM.empty
-val defaultV : exp SM.map ref = ref SM.empty
+val defaultV : (unit -> exp) SM.map ref = ref SM.empty
fun registerDefault (name, t, v) =
case SM.find (!defaultT, name) of
(b, NONE)
else
let
+ val _ = ErrorMsg.reset ()
val prog = Parse.parse fname
in
if !ErrorMsg.anyErrors then
if !ErrorMsg.anyErrors then
()
else
- Eval.exec (!defaultV) body'
+ Eval.exec (SM.map (fn f => f ()) (!defaultV)) body'
| NONE => ()
+val dispatcher : C.rw ZString.zstring' =
+ ZString.dupML' (Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort)
+
+val listenOn : C.rw ZString.zstring' =
+ ZString.dupML' ("localhost:" ^ Int.toString Config.dispatcherPort)
+
+fun ssl_err s =
+ let
+ val err = F_OpenSSL_SML_get_error.f ()
+ in
+ print s;
+ print "\nReason: ";
+ print (ZString.toML (F_OpenSSL_SML_lib_error_string.f err));
+ print ":";
+ print (ZString.toML (F_OpenSSL_SML_func_error_string.f err));
+ print ":";
+ print (ZString.toML (F_OpenSSL_SML_reason_error_string.f err));
+ print "\n"
+ end
+
+exception OpenSSL of string
+
+val readBuf : (C.uchar, C.rw) C.obj C.ptr' = C.alloc' C.S.uchar (Word.fromInt Config.bufSize)
+val bufSize = Int32.fromInt Config.bufSize
+
+fun readOne bio =
+ let
+ val r = F_OpenSSL_SML_read.f' (bio, C.Ptr.inject' readBuf, bufSize)
+ in
+ if r = 0 then
+ NONE
+ else if r < 0 then
+ raise OpenSSL "BIO_read failed"
+ else
+ SOME (CharVector.tabulate (Int32.toInt r,
+ fn i => chr (Word32.toInt (C.Get.uchar'
+ (C.Ptr.sub' C.S.uchar (readBuf, i))))))
+ end
+
+fun writeAll (bio, s) =
+ let
+ val buf = ZString.dupML' s
+
+ fun loop (buf, len) =
+ let
+ val r = F_OpenSSL_SML_write.f' (bio, C.Ptr.inject' buf, len)
+ in
+ if r = len then
+ ()
+ else if r <= 0 then
+ (C.free' buf;
+ raise OpenSSL "BIO_write failed")
+ else
+ loop (C.Ptr.|+! C.S.uchar (buf, Int32.toInt r), Int32.- (len, r))
+ end
+ in
+ loop (buf, Int32.fromInt (size s));
+ C.free' buf
+ end
+
+fun request fname =
+ let
+ val bio = F_OpenSSL_SML_new_connect.f' dispatcher
+ in
+ if C.Ptr.isNull' bio then
+ (ssl_err ("Error initializating connection to dispatcher at " ^ Config.dispatcher);
+ F_OpenSSL_SML_free_all.f' bio)
+ else if F_OpenSSL_SML_do_connect.f' bio <= 0 then
+ (ssl_err ("Error connecting to dispatcher at " ^ Config.dispatcher);
+ F_OpenSSL_SML_free_all.f' bio)
+ else let
+ val inf = TextIO.openIn fname
+
+ fun loop () =
+ case TextIO.inputLine inf of
+ NONE => ()
+ | SOME line => (writeAll (bio, line);
+ loop ())
+ in
+ loop ();
+ TextIO.closeIn inf;
+ F_OpenSSL_SML_free_all.f' bio
+ end
+ end
+
+fun serviceOne () =
+ let
+ val bio = F_OpenSSL_SML_new_accept.f' listenOn
+ in
+ if C.Ptr.isNull' bio then
+ (ssl_err "Error initializating listener";
+ F_OpenSSL_SML_free_all.f' bio)
+ else if F_OpenSSL_SML_do_accept.f' bio <= 0 then
+ (ssl_err "Error accepting connection";
+ F_OpenSSL_SML_free_all.f' bio)
+ else let
+ fun loop () =
+ case readOne bio of
+ NONE => ()
+ | SOME line => (print line;
+ loop ())
+ in
+ loop ();
+ F_OpenSSL_SML_free_all.f' bio
+ end
+ end
+
end