-- Copyright (C) 1987 by Xerox Corporation.  All rights reserved.
-- Stub file  was translated on March 26, 1987 5:07:07 pm PST by Lupine of January 22, 1987 5:37:32 pm PST
-- Source interface OldAlpineTransaction came from file OldAlpineTransaction.bcd, which was created on March 26, 1987 5:06:58 pm PST with version stamp 301#256#27357460457 from source of January 6, 1987 2:16:32 pm PST.

-- The RPC stub modules for OldAlpineTransaction are:
--   OldAlpineTransactionRpcControl.mesa;
--   OldAlpineTransactionRpcClientImpl.mesa;
--   OldAlpineTransactionRpcBinderImpl.mesa;
--   OldAlpineTransactionRpcServerImpl.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
  OldAlpineEnvironment,
  OldAlpineTransaction,
  OldAlpineTransactionRpcControl 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]--,
  Rope --USING SOME OF [InlineFlatten, Length, NewText, Text]--;


OldAlpineTransactionRpcServerImpl: MONITOR
  IMPORTS OldAlpineTransaction, RpcPrivate: RPCLupine, Lupine: LupineRuntime,
      Atom, Rope
  EXPORTS OldAlpineTransactionRpcControl
  SHARES  OldAlpineTransaction, OldAlpineTransactionRpcControl, Rope
  = BEGIN OPEN OldAlpineTransaction, RpcControl: OldAlpineTransactionRpcControl,
      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 "OldAlpineTransaction~301#256#27357460457",
        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

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

      OperationFailed --ERROR [why: OldAlpineEnvironment.OperationFailure]--
          =>
        BEGIN
        ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
            transferIndex (0): RpcControl.SignalIndex ← OperationFailed,
            why (1): OldAlpineEnvironment.OperationFailure];
        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;  -- OperationFailed.

      END;  -- Catch public signals.


    -- Call public procedures (still in dispatcher).

    SELECT LOOPHOLE[pkt.data[0], RpcControl.ProcedureIndex] FROM
      Create => RETURN[
        CreateStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
            localConversation: localConversation]];
      CreateWorker => RETURN[
        CreateWorkerStub[pkt: pkt, callLength: callLength, lastPkt:
            lastPkt, localConversation: localConversation]];
      AssertAlpineWheel => RETURN[
        AssertAlpineWheelStub[pkt: pkt, callLength: callLength, lastPkt:
            lastPkt, localConversation: localConversation]];
      Finish => RETURN[
        FinishStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
            localConversation: localConversation]];
      ENDCASE => RETURN[Lupine.DispatchingError[]];

    END;  -- ServerDispatcher


-- Public procedure dispatcher stubs.

  CreateStub: --PROCEDURE [conversation: Conversation, createLocalWorker:
      -- BOOL] RETURNS [transID: TransID]-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex, createLocalWorker
        (1): BOOL];
    ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transID (0): TransID];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 2;
    Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
    [resPkt.transID] ← Create[localConversation, argPkt.createLocalWorker];
    pktLength ← 9;
    RETURN[returnLength: pktLength];
    END;  -- CreateStub.

  CreateWorkerStub: --PROCEDURE [conversation: Conversation, transID:
      -- TransID, coordinator: FileStore]-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    coordinator: FileStore;
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex, transID (1): TransID];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 10;
    BEGIN  -- Unmarshal coordinator: FileStore from pkt.data[pktLength].
      ropeIsNIL: Lupine.NilHeader;
      ropeIsNIL ← pkt.data[pktLength];  pktLength ← pktLength+1;
      IF ropeIsNIL
        THEN coordinator ← NIL
        ELSE BEGIN
          ropeLength: Lupine.RopeHeader;
          textRope: Rope.Text;
          ropeLength ← pkt.data[pktLength];  pktLength ← pktLength+1;
          IF ropeLength > RpcPrivate.maxShortStringLength
            THEN Lupine.UnmarshalingError;
          coordinator ← textRope ← Rope.NewText[size: ropeLength];
          pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
              dataAdr: BASE[DESCRIPTOR[textRope.text]], dataLength: Lupine.WordsForChars[ropeLength],
              alwaysOnePkt: TRUE];
          END;  -- IF ropeIsNIL.
      END;  -- Unmarshal coordinator.
    Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
    CreateWorker[localConversation, argPkt.transID, coordinator];
    pktLength ← 0;
    RETURN[returnLength: pktLength];
    END;  -- CreateWorkerStub.

  AssertAlpineWheelStub: --PROCEDURE [conversation: Conversation, transID:
      -- TransID, enable: BOOL]-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex, transID (1): TransID,
        enable (10): BOOL];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 11;
    Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
    AssertAlpineWheel[localConversation, argPkt.transID, argPkt.enable];
    pktLength ← 0;
    RETURN[returnLength: pktLength];
    END;  -- AssertAlpineWheelStub.

  FinishStub: --PROCEDURE [conversation: Conversation, transID: TransID,
      -- requestedOutcome: RequestedOutcome, continue: BOOL]
    -- RETURNS [outcome: Outcome, newTrans: TransID]-- RpcPrivate.Dispatcher
        =
    INLINE BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex, transID (1): TransID,
        requestedOutcome (10): RequestedOutcome, continue (11): BOOL];
    ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
        outcome (0): Outcome, newTrans (1): TransID];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 12;
    Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
    [resPkt.outcome, resPkt.newTrans] ←
      Finish[localConversation, argPkt.transID, argPkt.requestedOutcome,
          argPkt.continue];
    pktLength ← 10;
    RETURN[returnLength: pktLength];
    END;  -- FinishStub.


-- No module initialization.

END.  -- OldAlpineTransactionRpcServerImpl.