-- Copyright (C) 1987 by Xerox Corporation.  All rights reserved.
-- Stub file  was translated on January 12, 1987 12:43:56 pm PST by Lupine of December 20, 1986 7:04:08 pm PST
-- Source interface RPCEcho came from file RPCEcho.bcd, which was created on January 12, 1987 12:43:47 pm PST with version stamp 14#365#264414407 from source of January 22, 1986 11:11:54 pm PST.

-- The RPC stub modules for RPCEcho are:
--   RPCEchoRpcControl.mesa;
--   RPCEchoRpcClientImpl.mesa;
--   RPCEchoRpcBinderImpl.mesa;
--   RPCEchoRpcServerImpl.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,
  RPCEcho,
  RPCEchoRpcControl USING [InterfaceRecord, InterMdsCallsOnly, LupineProtocolVersion,
      ProcedureIndex, SignalIndex],
  RPC --USING SOME OF [InterfaceName, standardZones, Zones]--,
  RPCLupine --USING SOME OF [Alloc, Call, DataLength, DeAlloc, Dispatcher,
      -- GetPkt, GetStubPkt, ImportHandle, ImportInterface, ImportInterfaceWithHost,
      -- maxDataLength, maxPrincipalLength, maxShortStringLength, noHost,
      -- pktOverhead, ReceiveExtraPkt, RPCHost, SendPrelimPkt, StartCall,
      -- StartSignal, StubPkt, UnimportInterface]--,
  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]--,
  PrincOpsUtils --USING SOME OF [Enter, Exit]--,
  VM --USING SOME OF [AddressForPageNumber, PageCount, PageNumber,
      -- PageNumberForAddress, PagesForWords]--;


RPCEchoRpcClientImpl: MONITOR
  IMPORTS RpcPrivate: RPCLupine, Lupine: LupineRuntime, Atom, PrincOpsUtils,
      Rope
  EXPORTS RPCEcho, RPCEchoRpcControl
  SHARES  RPCEcho, RPCEchoRpcControl, Rope
  = BEGIN OPEN RPCEcho, RpcControl: RPCEchoRpcControl, RpcPublic: RPC;


-- Standard remote binding routines.

  bound: BOOLEAN ← FALSE;
  myInterface: RpcPrivate.ImportHandle;
  paramZones: RpcPublic.Zones ← RpcPublic.standardZones;

  ImportInterface: PUBLIC ENTRY SAFE PROCEDURE [
        interfaceName: RpcPublic.InterfaceName,
        parameterStorage: RpcPublic.Zones,
        hostHint: RpcPrivate.RPCHost←RpcPrivate.noHost ] =
    TRUSTED BEGIN ENABLE UNWIND => NULL;
    IsNull: PROCEDURE [string: Rope.ROPE] RETURNS [BOOLEAN] =
      INLINE {RETURN[string.Length[] = 0]};
        myInterface ← RpcPrivate.ImportInterfaceWithHost [
      interface: [
        type: IF ~IsNull[interfaceName.type]
          THEN interfaceName.type ELSE "RPCEcho~14#365#264414407",
        instance: interfaceName.instance,
        version: interfaceName.version ],
      localOnly: RpcControl.InterMdsCallsOnly,
      stubProtocol: RpcControl.LupineProtocolVersion,
      hostHint: hostHint ];
    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;

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



-- Remote public procedure stubs.

  Simple: PUBLIC SAFE PROCEDURE =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← Simple];
    pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+1] OF WORD;
    pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 1;
    lastPkt: BOOLEAN;
    RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
    argPkt.transferIndex ← Simple;
    [returnLength: , lastPkt: lastPkt] ←
      RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
          maxReturnLength: 0, signalHandler: ClientDispatcher];
    Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
    RETURN[];
    END;  -- Simple.

  SloshTenWords: PUBLIC SAFE PROCEDURE [tenWords: TenWords] RETURNS
      [mumble: TenWords] =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← SloshTenWords, tenWords
        (1): TenWords];
    ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
        mumble (0): TenWords];
    pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+11] OF WORD;
    pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 11;
    lastPkt: BOOLEAN;
    RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
    argPkt↑ ← [tenWords: tenWords];
    [returnLength: , lastPkt: lastPkt] ←
      RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
          maxReturnLength: 10, signalHandler: ClientDispatcher];
    [mumble: mumble] ← resPkt↑;
    Lupine.CheckPktLength[pkt: pkt, pktLength: 10];
    RETURN[mumble];
    END;  -- SloshTenWords.

  SloshPage: PUBLIC SAFE PROCEDURE [page: Page] RETURNS [mumble: Page]
      =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← SloshPage];
    pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.AllocInline[RpcPrivate.pktOverhead+254]];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 1;
    lastPkt: BOOLEAN;
    BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
      argPkt.transferIndex ← SloshPage;
      BEGIN  -- Marshal page: Page to pkt.data[pktLength].
        pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
            dataAdr: @page, dataLength: SIZE[Page], alwaysOnePkt: FALSE];
        END;  -- Marshal page.
      [returnLength: , lastPkt: lastPkt] ←
        RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
            maxReturnLength: 254, signalHandler: ClientDispatcher];
      pktLength ← 0;
      BEGIN  -- Unmarshal mumble: Page from pkt.data[pktLength].
        pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
            dataAdr: @mumble, dataLength: SIZE[Page], alwaysOnePkt: FALSE];
        END;  -- Unmarshal mumble.
      Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
      RpcPrivate.DeAllocInline[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RETURN[mumble];
      END;  -- UNWIND.
    END;  -- SloshPage.

  SloshTenPages: PUBLIC SAFE PROCEDURE [pages: TenPages] RETURNS [mumble:
      TenPages] =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← SloshTenPages];
    pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.AllocInline[RpcPrivate.pktOverhead+254]];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 1;
    lastPkt: BOOLEAN;
    BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
      argPkt.transferIndex ← SloshTenPages;
      BEGIN  -- Marshal pages: TenPages to pkt.data[pktLength].
        pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
            dataAdr: @pages, dataLength: SIZE[TenPages], alwaysOnePkt:
            FALSE];
        END;  -- Marshal pages.
      [returnLength: , lastPkt: lastPkt] ←
        RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
            maxReturnLength: 254, signalHandler: ClientDispatcher];
      pktLength ← 0;
      BEGIN  -- Unmarshal mumble: TenPages from pkt.data[pktLength].
        pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
            dataAdr: @mumble, dataLength: SIZE[TenPages], alwaysOnePkt:
            FALSE];
        END;  -- Unmarshal mumble.
      Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
      RpcPrivate.DeAllocInline[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RETURN[mumble];
      END;  -- UNWIND.
    END;  -- SloshTenPages.

  PushPage: PUBLIC SAFE PROCEDURE [page: Page] =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← PushPage];
    pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.AllocInline[RpcPrivate.pktOverhead+254]];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 1;
    lastPkt: BOOLEAN;
    BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
      argPkt.transferIndex ← PushPage;
      BEGIN  -- Marshal page: Page to pkt.data[pktLength].
        pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
            dataAdr: @page, dataLength: SIZE[Page], alwaysOnePkt: FALSE];
        END;  -- Marshal page.
      [returnLength: , lastPkt: lastPkt] ←
        RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
            maxReturnLength: 0, signalHandler: ClientDispatcher];
      Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
      RpcPrivate.DeAllocInline[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RETURN[];
      END;  -- UNWIND.
    END;  -- PushPage.

  PullPage: PUBLIC SAFE PROCEDURE RETURNS [mumble: Page] =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← PullPage];
    pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.AllocInline[RpcPrivate.pktOverhead+254]];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 1;
    lastPkt: BOOLEAN;
    BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
      argPkt.transferIndex ← PullPage;
      [returnLength: , lastPkt: lastPkt] ←
        RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
            maxReturnLength: 254, signalHandler: ClientDispatcher];
      pktLength ← 0;
      BEGIN  -- Unmarshal mumble: Page from pkt.data[pktLength].
        pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
            dataAdr: @mumble, dataLength: SIZE[Page], alwaysOnePkt: FALSE];
        END;  -- Unmarshal mumble.
      Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
      RpcPrivate.DeAllocInline[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RETURN[mumble];
      END;  -- UNWIND.
    END;  -- PullPage.

  DoAtom: PUBLIC SAFE PROCEDURE [atom: ATOM] =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← DoAtom];
    pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.AllocInline[RpcPrivate.pktOverhead+254]];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 1;
    lastPkt: BOOLEAN;
    BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
      argPkt.transferIndex ← DoAtom;
      BEGIN  -- Marshal atom: ATOM to pkt.data[pktLength].
        pNameOfAtom: Rope.Text = IF atom=NIL THEN NIL ELSE Atom.GetPName[atom:
            atom];
        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 atom.
      [returnLength: , lastPkt: lastPkt] ←
        RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
            maxReturnLength: 0, signalHandler: ClientDispatcher];
      Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
      RpcPrivate.DeAllocInline[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RETURN[];
      END;  -- UNWIND.
    END;  -- DoAtom.

  DoRope: PUBLIC SAFE PROCEDURE [rope: ROPE] =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex ← DoRope];
    pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.AllocInline[RpcPrivate.pktOverhead+254]];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 1;
    lastPkt: BOOLEAN;
    BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
      argPkt.transferIndex ← DoRope;
      BEGIN  -- Marshal rope: ROPE to pkt.data[pktLength].
        IF pktLength+2 > RpcPrivate.maxDataLength
          THEN pktLength ← Lupine.StartNextPkt[pkt: pkt, pktLength:
              pktLength];
        pkt.data[pktLength] ← rope=NIL;  pktLength ← pktLength+1;
        IF rope # NIL
          THEN BEGIN
            textRope: Rope.Text = Rope.InlineFlatten[r: rope];
            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 rope # NIL.
        END;  -- Marshal rope.
      [returnLength: , lastPkt: lastPkt] ←
        RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
            maxReturnLength: 0, signalHandler: ClientDispatcher];
      Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
      RpcPrivate.DeAllocInline[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RETURN[];
      END;  -- UNWIND.
    END;  -- DoRope.


-- Remote public signals and errors.

  Error: PUBLIC ERROR = CODE;


-- Public signal and error dispatcher.

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

    SELECT LOOPHOLE[pkt.data[0], RpcControl.SignalIndex] FROM
      Error => RETURN[
        ErrorStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
            localConversation: localConversation]];
      ENDCASE => RETURN[Lupine.DispatchingError[]];

    END;  -- ClientDispatcher


-- Public signal and error dispatcher stubs.

  ErrorStub: --ERROR-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
    ERROR Error[];
    END;  -- ErrorStub.


-- No module initialization.

END.  -- RPCEchoRpcClientImpl.