-- Stub file  was translated on December 16, 1983 2:00 pm by Lupine of October 25, 1983 10:51 am
-- Source interface AlpineTransMgr came from file AlpineTransMgr.bcd, which was created on December 16, 1983 2:00 pm with version stamp 145B#144B#14636155532B from source of October 22, 1982 8:52 pm.

-- The RPC stub modules for AlpineTransMgr are:
--   AlpineTransMgrRpcControl.mesa;
--   AlpineTransMgrRpcClientImpl.mesa;
--   AlpineTransMgrRpcBinderImpl.mesa;
--   AlpineTransMgrRpcServerImpl.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
  AlpineEnvironment,
  AlpineTransMgr,
  AlpineTransMgrRpcControl 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, NilHeader, ProtocolError, RopeHeader, RpcPktDoubleWord,
      -- RuntimeError, SequenceHeader, SHORT, StartNextPkt, StringHeader,
      -- StubPktDoubleWord, TranslationError, UnmarshalingError, UnmarshalingExprError,
      -- WordsForChars]--,
  Atom --USING SOME OF [GetPName, MakeAtom]--,
  Rope --USING SOME OF [InlineFlatten, Length, NewText, Text]--;


AlpineTransMgrRpcServerImpl: MONITOR
  IMPORTS AlpineTransMgr, RpcPrivate: RPCLupine, Lupine: LupineRuntime,
      Atom, Rope
  EXPORTS AlpineTransMgrRpcControl
  SHARES  AlpineTransMgr, AlpineTransMgrRpcControl, Rope
  = BEGIN OPEN AlpineTransMgr, RpcControl: AlpineTransMgrRpcControl,
      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 "AlpineTransMgr~145B#144B#14636155532B",
        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

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

      END;  -- Catch public signals.


    -- Call public procedures (still in dispatcher).

    SELECT LOOPHOLE[pkt.data[0], RpcControl.ProcedureIndex] FROM
      RegisterWorker => RETURN[
        RegisterWorkerStub[pkt: pkt, callLength: callLength, lastPkt:
            lastPkt, localConversation: localConversation]];
      WorkerPrepare => RETURN[
        WorkerPrepareStub[pkt: pkt, callLength: callLength, lastPkt:
            lastPkt, localConversation: localConversation]];
      WorkerFinish => RETURN[
        WorkerFinishStub[pkt: pkt, callLength: callLength, lastPkt:
            lastPkt, localConversation: localConversation]];
      ENDCASE => RETURN[Lupine.DispatchingError[]];

    END;  -- ServerDispatcher


-- Public procedure dispatcher stubs.

  RegisterWorkerStub: --PROCEDURE [conversation: AlpineEnvironment.Conversation,
      -- trans: AlpineEnvironment.TransID] RETURNS [anonP1id739897: RegisterWorkerResult]--
      RpcPrivate.Dispatcher =
    INLINE BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex, trans (1): AlpineEnvironment.TransID];
    ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
        anonP1id739897 (0): RegisterWorkerResult];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 10;
    Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
    [resPkt.anonP1id739897] ← RegisterWorker[localConversation, argPkt.trans];
    pktLength ← 1;
    RETURN[returnLength: pktLength];
    END;  -- RegisterWorkerStub.

  WorkerPrepareStub: --PROCEDURE [conversation: AlpineEnvironment.Conversation,
      -- trans: AlpineEnvironment.TransID, newTrans: AlpineEnvironment.TransID]
    -- RETURNS [anonP1id739944: WorkerState]-- RpcPrivate.Dispatcher
        =
    INLINE BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex, trans (1): AlpineEnvironment.TransID,
        newTrans (10): AlpineEnvironment.TransID];
    ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
        anonP1id739944 (0): WorkerState];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength ← 19;
    Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
    [resPkt.anonP1id739944] ← WorkerPrepare[localConversation, argPkt.trans,
        argPkt.newTrans];
    pktLength ← 1;
    RETURN[returnLength: pktLength];
    END;  -- WorkerPrepareStub.

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


-- No module initialization.

END.  -- AlpineTransMgrRpcServerImpl.