-- Copyright (C) 1985 by Xerox Corporation.  All rights reserved.
-- Stub file  was translated on March 7, 1985 11:44:59 am PST by Lupine of March 6, 1985 8:13:46 am PST
-- Source interface Target came from file Target.bcd, which was created on March 7, 1985 11:44:45 am PST with version stamp 234#313#31370206177 from source of February 11, 1985 9:18:37 am PST.

-- The RPC stub modules for Target are:
--   TargetRpcControl.mesa;
--   TargetRpcClientImpl.mesa;
--   TargetRpcBinderImpl.mesa;
--   TargetRpcServerImpl.mesa.

-- The parameters for this translation are:
--   Target language = Cedar
--   Default parameter passing = VALUE
--   Deallocate server heap arguments = TRUE
--   Inline RpcServerImpl dispatcher stubs = TRUE
--   Declare signals = TRUE
--   Warn about short POINTER ("MDS") allocations = TRUE
--   Maximum number of dynamic heap NEWs = 50, MDS NEWs = 50
--   Acceptable parameter protocols = VersionRange[1..1].


DIRECTORY
  Rope,
  Target,
  TargetRpcControl USING [InterMdsCallsOnly, LupineProtocolVersion,
      ProcedureIndex, SignalIndex],
  RPC USING [EncryptionKey, InterfaceName, Principal, standardZones,
      Zones],
  RPCLupine --USING SOME OF [Call, DataLength, Dispatcher, ExportHandle,
      -- ExportInterface, GetStubPkt, maxDataLength, maxPrincipalLength,
      -- maxShortStringLength, pktOverhead, ReceiveExtraPkt, SendPrelimPkt,
      -- StartCall, StartSignal, StubPkt, UnexportInterface]--,
  LupineRuntime --USING SOME OF [BindingError, CheckPktLength, CopyFromPkt,
      -- CopyFromMultiplePkts, CopyToPkt, CopyToMultiplePkts, defaultZones,
      -- DispatchingError, FinishThisPkt, ListHeader, MarshalingError,
      -- MarshalingExprError, MarshalAtom, MarshalRope, NilHeader, ProtocolError,
      -- RopeHeader, RpcPktDoubleWord, RuntimeError, SequenceHeader, SHORT,
      -- StartNextPkt, StringHeader, StubPktDoubleWord, TranslationError,
      -- UnmarshalingError, UnmarshalingExprError, UnmarshalAtom, UnmarshalRope,
      -- WordsForChars]--,
  Atom --USING SOME OF [GetPName, MakeAtom]--;


TargetRpcServerImpl: MONITOR
  IMPORTS Target, RpcPrivate: RPCLupine, Lupine: LupineRuntime, Atom,
      Rope
  EXPORTS TargetRpcControl
  SHARES  Target, TargetRpcControl, Rope
  = BEGIN OPEN Target, RpcControl: TargetRpcControl, RpcPublic: RPC;


-- Standard remote binding routines.

  bound: BOOLEAN _ FALSE;
  myInterface: RpcPrivate.ExportHandle;
  paramZones: RpcPublic.Zones _ RpcPublic.standardZones;

  ExportInterface: PUBLIC ENTRY SAFE PROCEDURE [
        interfaceName: RpcPublic.InterfaceName,
        user: RpcPublic.Principal,
        password: RpcPublic.EncryptionKey,
        parameterStorage: RpcPublic.Zones ] =
    TRUSTED BEGIN ENABLE UNWIND => NULL;
    IsNull: PROCEDURE [string: Rope.ROPE] RETURNS [BOOLEAN] =
      INLINE {RETURN[string.Length[] = 0]};
    IF bound THEN Lupine.BindingError;
    myInterface _ RpcPrivate.ExportInterface [
      interface: [
        type: IF ~IsNull[interfaceName.type]
          THEN interfaceName.type ELSE "Target~234#313#31370206177",
        instance: interfaceName.instance,
        version: interfaceName.version ],
      user: user,  password: password,
      dispatcher: ServerDispatcher,
      localOnly: RpcControl.InterMdsCallsOnly,
      stubProtocol: RpcControl.LupineProtocolVersion ];
    paramZones _ [
      gc: IF parameterStorage.gc # NIL
        THEN parameterStorage.gc ELSE Lupine.defaultZones.gc,
      heap: IF parameterStorage.heap # NIL
        THEN parameterStorage.heap ELSE Lupine.defaultZones.heap,
      mds: IF parameterStorage.mds # NIL
        THEN parameterStorage.mds ELSE Lupine.defaultZones.mds ];
    bound _ TRUE;
    END;

  UnexportInterface: PUBLIC ENTRY SAFE PROCEDURE =
    TRUSTED BEGIN ENABLE UNWIND => NULL;
    IF ~bound THEN Lupine.BindingError;
    myInterface _ RpcPrivate.UnexportInterface[myInterface];
    paramZones _ RpcPublic.standardZones;
    bound _ FALSE;
    END;


-- Public procedure dispatcher and public signal and error catcher.

  ServerDispatcher: --PROCEDURE [pkt: RPCPkt, callLength: DataLength,
      -- lastPkt: BOOLEAN, localConversation: Conversation] RETURNS [returnLength:
      -- DataLength]-- RpcPrivate.Dispatcher =
    BEGIN

    -- Catch public signals.

      ENABLE BEGIN

      Exception --ERROR [why: Reason]-- =>
        BEGIN
        ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
            transferIndex (0): RpcControl.SignalIndex _ Exception, why
            (1): Reason];
        argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
        pktLength: RpcPrivate.DataLength _ 2;
        lastPkt: BOOLEAN;
        RpcPrivate.StartSignal[signalPkt: pkt];
        argPkt^ _ [why: why];
        [returnLength: , lastPkt: lastPkt] _
          RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
              maxReturnLength: 0];
        Lupine.RuntimeError;  -- Impossible to RESUME an ERROR.
        END;  -- Exception.

      Consultation --SIGNAL-- =>
        TRUSTED BEGIN
        ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
            transferIndex (0): RpcControl.SignalIndex _ Consultation];
        argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
        pktLength: RpcPrivate.DataLength _ 1;
        lastPkt: BOOLEAN;
        RpcPrivate.StartSignal[signalPkt: pkt];
        argPkt.transferIndex _ Consultation;
        [returnLength: , lastPkt: lastPkt] _
          RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
              maxReturnLength: 0];
        Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
        RESUME[];
        END;  -- Consultation.

      END;  -- Catch public signals.


    -- Call public procedures (still in dispatcher).

    SELECT LOOPHOLE[pkt.data[0], RpcControl.ProcedureIndex] FROM
      Basic => RETURN[
        BasicStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
            localConversation: localConversation]];
      Simple => RETURN[
        SimpleStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
            localConversation: localConversation]];
      ENDCASE => RETURN[Lupine.DispatchingError[]];

    END;  -- ServerDispatcher


-- Public procedure dispatcher stubs.

  BasicStub: --PROCEDURE-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    pktLength: RpcPrivate.DataLength;
    Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
    Basic[];
    pktLength _ 0;
    RETURN[returnLength: pktLength];
    END;  -- BasicStub.

  SimpleStub: --PROCEDURE [first: INT, second: REF INT] RETURNS [a:
      -- Rope.ROPE, b: ATOM]-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    second: REF INT;
    a: Rope.ROPE;
    b: ATOM;
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex, first (1): INT];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength _ 3;
    BEGIN  -- Unmarshal second: REF INT from pkt.data[pktLength].
      isNIL: Lupine.NilHeader;
      isNIL _ pkt.data[pktLength];  pktLength _ pktLength+1;
      IF isNIL
        THEN second _ NIL
        ELSE BEGIN
          second _ (paramZones.gc.NEW[INT]);
          BEGIN
          second^ _ Lupine.RpcPktDoubleWord[pkt, pktLength]^;
          pktLength _ pktLength + 2;
          END;
          END;  -- IF isNIL.
      END;  -- Unmarshal second.
    Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
    [a, b] _
      Simple[argPkt.first, second];
    pktLength _ 0;
    BEGIN  -- Marshal a: Rope.ROPE to pkt.data[pktLength].
      IF pktLength+2 > RpcPrivate.maxDataLength
        THEN pktLength _ Lupine.StartNextPkt[pkt: pkt, pktLength: pktLength];
      pkt.data[pktLength] _ a=NIL;  pktLength _ pktLength+1;
      IF a # NIL
        THEN BEGIN
          textRope: Rope.Text = Rope.InlineFlatten[r: a];
          pkt.data[pktLength] _ textRope.length;  pktLength _ pktLength+1;
          pktLength _ Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
              dataAdr: BASE[DESCRIPTOR[textRope.text]], dataLength: Lupine.WordsForChars[textRope.length],
              alwaysOnePkt: FALSE];
          END;  -- IF a # NIL.
      END;  -- Marshal a.
    BEGIN  -- Marshal b: ATOM to pkt.data[pktLength].
      pNameOfAtom: Rope.Text = Atom.GetPName[atom: b];
      IF pktLength+2 > RpcPrivate.maxDataLength
        THEN pktLength _ Lupine.StartNextPkt[pkt: pkt, pktLength: pktLength];
      pkt.data[pktLength] _ pNameOfAtom=NIL;  pktLength _ pktLength+1;
      IF pNameOfAtom # NIL
        THEN BEGIN
          textRope: Rope.Text = Rope.InlineFlatten[r: pNameOfAtom];
          pkt.data[pktLength] _ textRope.length;  pktLength _ pktLength+1;
          pktLength _ Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
              dataAdr: BASE[DESCRIPTOR[textRope.text]], dataLength: Lupine.WordsForChars[textRope.length],
              alwaysOnePkt: FALSE];
          END;  -- IF pNameOfAtom # NIL.
      END;  -- Marshal b.
    RETURN[returnLength: pktLength];
    END;  -- SimpleStub.


-- No module initialization.

END.  -- TargetRpcServerImpl.