-- Copyright (C) 1987 by Xerox Corporation. All rights reserved.
-- Stub file was translated on March 25, 1987 3:05:28 pm PST by Lupine of January 22, 1987 5:37:32 pm PST
-- Source interface AlpineVolume came from file AlpineVolume.bcd, which was created on March 25, 1987 12:09:58 pm PST with version stamp 317#341#13634745654 from source of March 7, 1985 2:24:55 pm PST.
-- The RPC stub modules for AlpineVolume are:
-- AlpineVolumeRpcControl.mesa;
-- AlpineVolumeRpcClientImpl.mesa;
-- AlpineVolumeRpcBinderImpl.mesa;
-- AlpineVolumeRpcServerImpl.mesa.
-- The parameters for this translation are:
-- Target language = Cedar
-- Default parameter passing = VALUE
-- Deallocate server heap arguments = TRUE
-- Inline RpcServerImpl dispatcher stubs = FALSE
-- Declare signals = FALSE
-- 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,
AlpineVolume,
AlpineVolumeRpcControl 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]--;
AlpineVolumeRpcServerImpl: MONITOR
IMPORTS AlpineVolume, RpcPrivate: RPCLupine, Lupine: LupineRuntime,
Atom, Rope
EXPORTS AlpineVolumeRpcControl
SHARES AlpineVolume, AlpineVolumeRpcControl, Rope
= BEGIN OPEN AlpineVolume, RpcControl: AlpineVolumeRpcControl, 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 "AlpineVolume~317#341#13634745654",
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
AccessFailed --ERROR [missingAccess: AlpineEnvironment.NeededAccess]--
=>
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex ← AccessFailed, missingAccess
(1): AlpineEnvironment.NeededAccess];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 2;
lastPkt: BOOLEAN;
RpcPrivate.StartSignal[signalPkt: pkt];
argPkt↑ ← [missingAccess: missingAccess];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0];
Lupine.RuntimeError; -- Impossible to RESUME an ERROR.
END; -- AccessFailed.
Unknown --ERROR [what: AlpineEnvironment.UnknownType]-- =>
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex ← Unknown, what (1):
AlpineEnvironment.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.
StaticallyInvalid --ERROR-- =>
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex ← StaticallyInvalid];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 1;
lastPkt: BOOLEAN;
RpcPrivate.StartSignal[signalPkt: pkt];
argPkt.transferIndex ← StaticallyInvalid;
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0];
Lupine.RuntimeError; -- Impossible to RESUME an ERROR.
END; -- StaticallyInvalid.
END; -- Catch public signals.
-- Call public procedures (still in dispatcher).
SELECT LOOPHOLE[pkt.data[0], RpcControl.ProcedureIndex] FROM
GetNextGroup => RETURN[
GetNextGroupStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
GetGroup => RETURN[
GetGroupStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
GetEnclosingGroup => RETURN[
GetEnclosingGroupStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
ENDCASE => RETURN[Lupine.DispatchingError[]];
END; -- ServerDispatcher
-- Public procedure dispatcher stubs.
GetNextGroupStub: --PROCEDURE [conversation: Conversation, transID:
-- TransID, previousGroup: VolumeGroupID, lock: LockOption]
-- RETURNS [volumeGroupID: VolumeGroupID]-- RpcPrivate.Dispatcher
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, transID (1): TransID,
previousGroup (10): VolumeGroupID, lock (15): LockOption];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
volumeGroupID (0): VolumeGroupID];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 16;
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
[resPkt.volumeGroupID] ← GetNextGroup[localConversation, argPkt.transID,
argPkt.previousGroup, argPkt.lock];
pktLength ← 5;
RETURN[returnLength: pktLength];
END; -- GetNextGroupStub.
GetGroupStub: --PROCEDURE [conversation: Conversation, transID: TransID,
-- volumeGroupID: VolumeGroupID, lock: LockOption]
-- RETURNS [volumes: LIST OF VolumeID]-- RpcPrivate.Dispatcher
=
BEGIN
volumes: LIST OF VolumeID;
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, transID (1): TransID,
volumeGroupID (10): VolumeGroupID, lock (15): LockOption];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 16;
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
[volumes] ← GetGroup[localConversation, argPkt.transID, argPkt.volumeGroupID,
argPkt.lock];
pktLength ← 0;
BEGIN -- Marshal volumes: LIST OF VolumeID to pkt.data[pktLength].
thisNode1: LIST OF VolumeID;
listLength: Lupine.ListHeader ← 0;
FOR thisNode1 ← volumes, thisNode1.rest UNTIL thisNode1 = NIL
DO
listLength ← listLength + 1; ENDLOOP;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt, pktLength: pktLength];
Lupine.RpcPktDoubleWord[pkt, pktLength]↑ ← listLength;
pktLength ← pktLength + 2;
FOR thisNode1 ← volumes, thisNode1.rest UNTIL thisNode1 = NIL
DO
BEGIN -- Marshal thisNode1.first: VolumeID to pkt.data[pktLength].
pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
dataAdr: @thisNode1.first, dataLength: SIZE[VolumeID], alwaysOnePkt:
FALSE];
END; -- Marshal thisNode1.first.
ENDLOOP; -- FOR thisNode1.
END; -- Marshal volumes.
RETURN[returnLength: pktLength];
END; -- GetGroupStub.
GetEnclosingGroupStub: --PROCEDURE [conversation: Conversation, transID:
-- TransID, volumeID: VolumeID, lock: LockOption]
-- RETURNS [volumeGroupID: VolumeGroupID]-- RpcPrivate.Dispatcher
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, transID (1): TransID,
volumeID (10): VolumeID, lock (15): LockOption];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
volumeGroupID (0): VolumeGroupID];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 16;
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
[resPkt.volumeGroupID] ← GetEnclosingGroup[localConversation, argPkt.transID,
argPkt.volumeID, argPkt.lock];
pktLength ← 5;
RETURN[returnLength: pktLength];
END; -- GetEnclosingGroupStub.
-- No module initialization.
END. -- AlpineVolumeRpcServerImpl.