-- Stub file was translated on February 1, 1984 5:21:59 pm PST by Lupine of December 20, 1983 1:22:57 pm PST
-- Source interface AlpineFile came from file AlpineFile.bcd, which was created on February 1, 1984 5:21:52 pm PST with version stamp 151#27#13440653423 from source of October 28, 1983 12:51:11 pm PDT.
-- The RPC stub modules for AlpineFile are:
-- AlpineFileRpcControl.mesa;
-- AlpineFileRpcClientImpl.mesa;
-- AlpineFileRpcBinderImpl.mesa;
-- AlpineFileRpcServerImpl.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,
AlpineFile,
AlpineFileRpcControl USING [InterMdsCallsOnly, LupineProtocolVersion,
ProcedureIndex, SignalIndex],
RPC USING [InterfaceName, standardZones, Zones],
RPCLupine --USING SOME OF [Call, DataLength, Dispatcher, GetStubPkt,
-- ImportHandle, ImportInterface, maxDataLength, maxPrincipalLength,
-- maxShortStringLength, pktOverhead, ReceiveExtraPkt, SendPrelimPkt,
-- StartCall, StartSignal, StubPkt, UnimportInterface]--,
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]--;
AlpineFileRpcClientImpl: MONITOR
IMPORTS AlpineFile, RpcPrivate: RPCLupine, Lupine: LupineRuntime,
Atom, Rope
EXPORTS AlpineFile, AlpineFileRpcControl
SHARES AlpineFile, AlpineFileRpcControl, Rope
= BEGIN OPEN AlpineFile, RpcControl: AlpineFileRpcControl, 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 ] =
TRUSTED BEGIN ENABLE UNWIND => NULL;
IsNull: PROCEDURE [string: Rope.ROPE] RETURNS [BOOLEAN] =
INLINE {RETURN[string.Length[] = 0]};
IF bound THEN Lupine.BindingError;
myInterface ← RpcPrivate.ImportInterface [
interface: [
type: IF ~IsNull[interfaceName.type]
THEN interfaceName.type ELSE "AlpineFile~151#27#13440653423",
instance: interfaceName.instance,
version: interfaceName.version ],
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;
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.
Open: PUBLIC PROCEDURE [conversation: Conversation, transID: TransID,
universalFile: UniversalFile, access: AccessRights, lock: LockOption,
recoveryOption: RecoveryOption, referencePattern: ReferencePattern]
RETURNS [--openFileID:-- OpenFileID, --fileID:-- FileID] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Open, transID (1):
TransID, universalFile (10): UniversalFile, access (19): AccessRights,
lock (20): LockOption, recoveryOption (21): RecoveryOption, referencePattern
(22): ReferencePattern];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
openFileID (0): OpenFileID, fileID (2): FileID];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+23] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 23;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [transID: transID, universalFile: universalFile, access:
access, lock: lock, recoveryOption: recoveryOption, referencePattern:
referencePattern];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 6, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 6];
RETURN[resPkt.openFileID, resPkt.fileID];
END; -- Open.
Create: PUBLIC PROCEDURE [conversation: Conversation, transID: TransID,
volumeID: VolOrVolGroupID, owner: OwnerName, initialSize: PageCount,
recoveryOption: RecoveryOption, referencePattern: ReferencePattern]
RETURNS [--openFileID:-- OpenFileID, --universalFile:-- UniversalFile]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Create, transID
(1): TransID, volumeID (10): VolOrVolGroupID, initialSize (15):
PageCount, recoveryOption (17): RecoveryOption, referencePattern
(18): ReferencePattern];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
openFileID (0): OpenFileID, universalFile (2): UniversalFile];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+53] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 19;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [transID: transID, volumeID: volumeID, initialSize: initialSize,
recoveryOption: recoveryOption, referencePattern: referencePattern];
BEGIN -- Marshal owner: OwnerName to pkt.data[pktLength].
pkt.data[pktLength] ← owner=NIL; pktLength ← pktLength+1;
IF owner # NIL
THEN BEGIN
textRope: Rope.Text = Rope.InlineFlatten[r: owner];
IF textRope.length > RpcPrivate.maxShortStringLength
THEN Lupine.MarshalingError;
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: TRUE];
END; -- IF owner # NIL.
END; -- Marshal owner.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 11, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 11];
RETURN[resPkt.openFileID, resPkt.universalFile];
END; -- Create.
Close: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Close, openFileID
(1): OpenFileID];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- Close.
Delete: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Delete, openFileID
(1): OpenFileID];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- Delete.
GetUniversalFile: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID] RETURNS [--universalFile:-- UniversalFile] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← GetUniversalFile,
openFileID (1): OpenFileID];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
universalFile (0): UniversalFile];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+9] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 9, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 9];
RETURN[resPkt.universalFile];
END; -- GetUniversalFile.
GetTransID: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID] RETURNS [--transID:-- TransID] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← GetTransID, openFileID
(1): OpenFileID];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
transID (0): TransID];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+9] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 9, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 9];
RETURN[resPkt.transID];
END; -- GetTransID.
GetAccessRights: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID] RETURNS [--access:-- AccessRights] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← GetAccessRights,
openFileID (1): OpenFileID];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
access (0): AccessRights];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 1, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
RETURN[resPkt.access];
END; -- GetAccessRights.
GetLockOption: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID] RETURNS [--lock:-- LockOption] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← GetLockOption, openFileID
(1): OpenFileID];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
lock (0): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 1, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
RETURN[resPkt.lock];
END; -- GetLockOption.
SetLockOption: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, lock: LockOption] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← SetLockOption, openFileID
(1): OpenFileID, lock (3): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+4] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 4;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, lock: lock];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- SetLockOption.
GetRecoveryOption: PUBLIC PROCEDURE [conversation: Conversation,
openFileID: OpenFileID] RETURNS [--recoveryOption:-- RecoveryOption]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← GetRecoveryOption,
openFileID (1): OpenFileID];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
recoveryOption (0): RecoveryOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 1, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
RETURN[resPkt.recoveryOption];
END; -- GetRecoveryOption.
GetReferencePattern: PUBLIC PROCEDURE [conversation: Conversation,
openFileID: OpenFileID] RETURNS [--referencePattern:-- ReferencePattern]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← GetReferencePattern,
openFileID (1): OpenFileID];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
referencePattern (0): ReferencePattern];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 1, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
RETURN[resPkt.referencePattern];
END; -- GetReferencePattern.
SetReferencePattern: PUBLIC PROCEDURE [conversation: Conversation,
openFileID: OpenFileID, referencePattern: ReferencePattern] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← SetReferencePattern,
openFileID (1): OpenFileID, referencePattern (3): ReferencePattern];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+4] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 4;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, referencePattern: referencePattern];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- SetReferencePattern.
ReadPages: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, pageRun: PageRun, pageBuffer: RESULTPageBuffer, lock:
LockOption] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← ReadPages, openFileID
(1): OpenFileID, pageRun (3): PageRun, lock (6): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+254] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 7;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, pageRun: pageRun, lock: lock];
BEGIN -- Marshal pageBuffer: RESULTPageBuffer to pkt.data[pktLength].
Lupine.StubPktDoubleWord[pkt, pktLength]↑ ← (IF BASE[pageBuffer]=NIL
THEN 0 ELSE LENGTH[pageBuffer]);
pktLength ← pktLength + 2;
IF BASE[pageBuffer] # NIL THEN
NULL; -- Call by result, send length only.
END; -- Marshal pageBuffer.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 254, signalHandler: ClientDispatcher];
pktLength ← 0;
BEGIN -- Unmarshal pageBuffer: RESULTPageBuffer from pkt.data[pktLength].
DescriptorType: TYPE = RECORD [SEQUENCE COMPUTED CARDINAL OF
WORD];
descLength: Lupine.SequenceHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt: pkt, pktLength:
pktLength];
descLength ← Lupine.StubPktDoubleWord[pkt, pktLength]↑;
pktLength ← pktLength + 2;
IF descLength # (IF BASE[pageBuffer]=NIL THEN 0 ELSE LENGTH[pageBuffer])
THEN Lupine.UnmarshalingError;
NULL; -- Call by var or result, use existing descriptor.
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
dataAdr: BASE[pageBuffer], dataLength: SIZE[WORD]*LENGTH[pageBuffer],
alwaysOnePkt: FALSE];
END; -- Unmarshal pageBuffer.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
RETURN[];
END; -- ReadPages.
WritePages: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, pageRun: PageRun, pageBuffer: VALUEPageBuffer, lock:
LockOption] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← WritePages, openFileID
(1): OpenFileID, pageRun (3): PageRun, lock (6): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+254] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 7;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, pageRun: pageRun, lock: lock];
BEGIN -- Marshal pageBuffer: VALUEPageBuffer to pkt.data[pktLength].
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt, pktLength: pktLength];
Lupine.StubPktDoubleWord[pkt, pktLength]↑ ← (IF BASE[pageBuffer]=NIL
THEN 0 ELSE LENGTH[pageBuffer]);
pktLength ← pktLength + 2;
IF BASE[pageBuffer] # NIL THEN
pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
dataAdr: BASE[pageBuffer], dataLength: SIZE[WORD]*LENGTH[pageBuffer],
alwaysOnePkt: FALSE];
END; -- Marshal pageBuffer.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- WritePages.
LockPages: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, pageRun: PageRun, lock: LockOption] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← LockPages, openFileID
(1): OpenFileID, pageRun (3): PageRun, lock (6): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+7] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 7;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, pageRun: pageRun, lock: lock];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- LockPages.
UnlockPages: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, pageRun: PageRun] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← UnlockPages, openFileID
(1): OpenFileID, pageRun (3): PageRun];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+6] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 6;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, pageRun: pageRun];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- UnlockPages.
ReadProperties: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, desiredProperties: PropertySet, lock: LockOption]
RETURNS [properties: LIST OF PropertyValuePair] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← ReadProperties,
openFileID (1): OpenFileID, desiredProperties (3): PropertySet,
lock (4): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+254] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 5;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, desiredProperties: desiredProperties,
lock: lock];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 254, signalHandler: ClientDispatcher];
pktLength ← 0;
BEGIN -- Unmarshal properties: LIST OF PropertyValuePair from
-- pkt.data[pktLength].
lastNode: LIST OF PropertyValuePair ← (properties ← NIL);
listLength: Lupine.ListHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt: pkt, pktLength:
pktLength];
listLength ← Lupine.StubPktDoubleWord[pkt, pktLength]↑;
pktLength ← pktLength + 2;
WHILE listLength > 0 DO
thisNode1: LIST OF PropertyValuePair = paramZones.gc.CONS[--DefaultValue--,NIL];
BEGIN -- Unmarshal thisNode1.first: PropertyValuePair from
-- pkt.data[pktLength].
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
dataAdr: @thisNode1.first, dataLength: SIZE[PropertyValuePair],
alwaysOnePkt: FALSE];
-- Restore garbled REFs to NIL following copy.
BEGIN OPEN record: thisNode1.first;
WITH variant: record SELECT FROM
modifyAccess =>
BEGIN OPEN record: variant;
LOOPHOLE[record.modifyAccess, LONG POINTER] ← NIL;
END; -- OPEN record: variant.
owner =>
BEGIN OPEN record: variant;
LOOPHOLE[record.owner, LONG POINTER] ← NIL;
END; -- OPEN record: variant.
readAccess =>
BEGIN OPEN record: variant;
LOOPHOLE[record.readAccess, LONG POINTER] ← NIL;
END; -- OPEN record: variant.
stringName =>
BEGIN OPEN record: variant;
LOOPHOLE[record.stringName, LONG POINTER] ← NIL;
END; -- OPEN record: variant.
ENDCASE => NULL; -- WITH variant: record.
END; -- OPEN record: thisNode1.first.
BEGIN OPEN record: thisNode1.first;
WITH variant: record SELECT FROM
modifyAccess =>
BEGIN -- Unmarshal variant: RECORD [modifyAccess: AccessList]
-- from pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Unmarshal record.modifyAccess: AccessList
-- from pkt.data[pktLength].
lastNode: AccessList ← (record.modifyAccess ← NIL);
listLength: Lupine.ListHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt: pkt,
pktLength: pktLength];
listLength ← Lupine.StubPktDoubleWord[pkt, pktLength]↑;
pktLength ← pktLength + 2;
WHILE listLength > 0 DO
thisNode5: AccessList = paramZones.gc.CONS[--DefaultValue--,NIL];
BEGIN -- Unmarshal thisNode5.first: RName from
-- pkt.data[pktLength].
ropeIsNIL: Lupine.NilHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt:
pkt, pktLength: pktLength];
ropeIsNIL ← pkt.data[pktLength]; pktLength ←
pktLength+1;
IF ropeIsNIL
THEN thisNode5.first ← NIL
ELSE BEGIN
ropeLength: Lupine.RopeHeader;
textRope: Rope.Text;
ropeLength ← pkt.data[pktLength]; pktLength
← pktLength+1;
IF ropeLength > RpcPrivate.maxShortStringLength
THEN Lupine.UnmarshalingError;
thisNode5.first ← textRope ← Rope.NewText[size:
ropeLength];
pktLength ← Lupine.CopyFromPkt[pkt: pkt,
pktLength: pktLength, dataAdr: BASE[DESCRIPTOR[textRope.text]],
dataLength: Lupine.WordsForChars[ropeLength],
alwaysOnePkt: FALSE];
END; -- IF ropeIsNIL.
END; -- Unmarshal thisNode5.first.
IF lastNode # NIL
THEN lastNode ← (lastNode.rest ← thisNode5)
ELSE lastNode ← (record.modifyAccess ← thisNode5);
listLength ← listLength - 1;
ENDLOOP; -- WHILE listLength > 0.
END; -- Unmarshal record.modifyAccess.
END; -- OPEN record: variant.
END; -- Unmarshal variant.
owner =>
BEGIN -- Unmarshal variant: RECORD [owner: OwnerName]
-- from pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Unmarshal record.owner: OwnerName from pkt.data[pktLength].
ropeIsNIL: Lupine.NilHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt: pkt,
pktLength: pktLength];
ropeIsNIL ← pkt.data[pktLength]; pktLength ← pktLength+1;
IF ropeIsNIL
THEN record.owner ← NIL
ELSE BEGIN
ropeLength: Lupine.RopeHeader;
textRope: Rope.Text;
ropeLength ← pkt.data[pktLength]; pktLength
← pktLength+1;
IF ropeLength > RpcPrivate.maxShortStringLength
THEN Lupine.UnmarshalingError;
record.owner ← textRope ← Rope.NewText[size:
ropeLength];
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength:
pktLength, dataAdr: BASE[DESCRIPTOR[textRope.text]],
dataLength: Lupine.WordsForChars[ropeLength],
alwaysOnePkt: FALSE];
END; -- IF ropeIsNIL.
END; -- Unmarshal record.owner.
END; -- OPEN record: variant.
END; -- Unmarshal variant.
readAccess =>
BEGIN -- Unmarshal variant: RECORD [readAccess: AccessList]
-- from pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Unmarshal record.readAccess: AccessList from
-- pkt.data[pktLength].
lastNode: AccessList ← (record.readAccess ← NIL);
listLength: Lupine.ListHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt: pkt,
pktLength: pktLength];
listLength ← Lupine.StubPktDoubleWord[pkt, pktLength]↑;
pktLength ← pktLength + 2;
WHILE listLength > 0 DO
thisNode5: AccessList = paramZones.gc.CONS[--DefaultValue--,NIL];
BEGIN -- Unmarshal thisNode5.first: RName from
-- pkt.data[pktLength].
ropeIsNIL: Lupine.NilHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt:
pkt, pktLength: pktLength];
ropeIsNIL ← pkt.data[pktLength]; pktLength ←
pktLength+1;
IF ropeIsNIL
THEN thisNode5.first ← NIL
ELSE BEGIN
ropeLength: Lupine.RopeHeader;
textRope: Rope.Text;
ropeLength ← pkt.data[pktLength]; pktLength
← pktLength+1;
IF ropeLength > RpcPrivate.maxShortStringLength
THEN Lupine.UnmarshalingError;
thisNode5.first ← textRope ← Rope.NewText[size:
ropeLength];
pktLength ← Lupine.CopyFromPkt[pkt: pkt,
pktLength: pktLength, dataAdr: BASE[DESCRIPTOR[textRope.text]],
dataLength: Lupine.WordsForChars[ropeLength],
alwaysOnePkt: FALSE];
END; -- IF ropeIsNIL.
END; -- Unmarshal thisNode5.first.
IF lastNode # NIL
THEN lastNode ← (lastNode.rest ← thisNode5)
ELSE lastNode ← (record.readAccess ← thisNode5);
listLength ← listLength - 1;
ENDLOOP; -- WHILE listLength > 0.
END; -- Unmarshal record.readAccess.
END; -- OPEN record: variant.
END; -- Unmarshal variant.
stringName =>
BEGIN -- Unmarshal variant: RECORD [stringName: Rope.ROPE]
-- from pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Unmarshal record.stringName: Rope.ROPE from
-- pkt.data[pktLength].
ropeIsNIL: Lupine.NilHeader;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt: pkt,
pktLength: pktLength];
ropeIsNIL ← pkt.data[pktLength]; pktLength ← pktLength+1;
IF ropeIsNIL
THEN record.stringName ← NIL
ELSE BEGIN
ropeLength: Lupine.RopeHeader;
textRope: Rope.Text;
ropeLength ← pkt.data[pktLength]; pktLength
← pktLength+1;
IF ropeLength > LAST[NAT]
THEN Lupine.UnmarshalingError;
record.stringName ← textRope ← Rope.NewText[size:
ropeLength];
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength:
pktLength, dataAdr: BASE[DESCRIPTOR[textRope.text]],
dataLength: Lupine.WordsForChars[ropeLength],
alwaysOnePkt: FALSE];
END; -- IF ropeIsNIL.
END; -- Unmarshal record.stringName.
END; -- OPEN record: variant.
END; -- Unmarshal variant.
ENDCASE => NULL; -- WITH variant: record.
END; -- OPEN record: thisNode1.first.
END; -- Unmarshal thisNode1.first.
IF lastNode # NIL
THEN lastNode ← (lastNode.rest ← thisNode1)
ELSE lastNode ← (properties ← thisNode1);
listLength ← listLength - 1;
ENDLOOP; -- WHILE listLength > 0.
END; -- Unmarshal properties.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
RETURN[properties];
END; -- ReadProperties.
WriteProperties: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, properties: LIST OF PropertyValuePair, lock: LockOption]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← WriteProperties,
openFileID (1): OpenFileID, lock (3): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+254] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 4;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, lock: lock];
BEGIN -- Marshal properties: LIST OF PropertyValuePair to pkt.data[pktLength].
thisNode1: LIST OF PropertyValuePair;
listLength: Lupine.ListHeader ← 0;
FOR thisNode1 ← properties, thisNode1.rest UNTIL thisNode1 =
NIL DO
listLength ← listLength + 1; ENDLOOP;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt, pktLength: pktLength];
Lupine.StubPktDoubleWord[pkt, pktLength]↑ ← listLength;
pktLength ← pktLength + 2;
FOR thisNode1 ← properties, thisNode1.rest UNTIL thisNode1 =
NIL DO
BEGIN -- Marshal thisNode1.first: PropertyValuePair to pkt.data[pktLength].
pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
dataAdr: @thisNode1.first, dataLength: SIZE[PropertyValuePair],
alwaysOnePkt: FALSE];
BEGIN OPEN record: thisNode1.first;
WITH variant: record SELECT FROM
modifyAccess =>
BEGIN -- Marshal variant: RECORD [modifyAccess: AccessList]
-- to pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Marshal record.modifyAccess: AccessList to
-- pkt.data[pktLength].
thisNode5: AccessList;
listLength: Lupine.ListHeader ← 0;
FOR thisNode5 ← record.modifyAccess, thisNode5.rest
UNTIL thisNode5 = NIL DO
listLength ← listLength + 1; ENDLOOP;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt,
pktLength: pktLength];
Lupine.StubPktDoubleWord[pkt, pktLength]↑ ← listLength;
pktLength ← pktLength + 2;
FOR thisNode5 ← record.modifyAccess, thisNode5.rest
UNTIL thisNode5 = NIL DO
BEGIN -- Marshal thisNode5.first: RName to pkt.data[pktLength].
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt,
pktLength: pktLength];
pkt.data[pktLength] ← thisNode5.first=NIL; pktLength
← pktLength+1;
IF thisNode5.first # NIL
THEN BEGIN
textRope: Rope.Text = Rope.InlineFlatten[r:
thisNode5.first];
IF textRope.length > RpcPrivate.maxShortStringLength
THEN Lupine.MarshalingError;
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 thisNode5.first # NIL.
END; -- Marshal thisNode5.first.
ENDLOOP; -- FOR thisNode5.
END; -- Marshal record.modifyAccess.
END; -- OPEN record: variant.
END; -- Marshal variant.
owner =>
BEGIN -- Marshal variant: RECORD [owner: OwnerName]
-- to pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Marshal record.owner: OwnerName to pkt.data[pktLength].
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt,
pktLength: pktLength];
pkt.data[pktLength] ← record.owner=NIL; pktLength
← pktLength+1;
IF record.owner # NIL
THEN BEGIN
textRope: Rope.Text = Rope.InlineFlatten[r: record.owner];
IF textRope.length > RpcPrivate.maxShortStringLength
THEN Lupine.MarshalingError;
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 record.owner # NIL.
END; -- Marshal record.owner.
END; -- OPEN record: variant.
END; -- Marshal variant.
readAccess =>
BEGIN -- Marshal variant: RECORD [readAccess: AccessList]
-- to pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Marshal record.readAccess: AccessList to
-- pkt.data[pktLength].
thisNode5: AccessList;
listLength: Lupine.ListHeader ← 0;
FOR thisNode5 ← record.readAccess, thisNode5.rest
UNTIL thisNode5 = NIL DO
listLength ← listLength + 1; ENDLOOP;
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt,
pktLength: pktLength];
Lupine.StubPktDoubleWord[pkt, pktLength]↑ ← listLength;
pktLength ← pktLength + 2;
FOR thisNode5 ← record.readAccess, thisNode5.rest
UNTIL thisNode5 = NIL DO
BEGIN -- Marshal thisNode5.first: RName to pkt.data[pktLength].
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt,
pktLength: pktLength];
pkt.data[pktLength] ← thisNode5.first=NIL; pktLength
← pktLength+1;
IF thisNode5.first # NIL
THEN BEGIN
textRope: Rope.Text = Rope.InlineFlatten[r:
thisNode5.first];
IF textRope.length > RpcPrivate.maxShortStringLength
THEN Lupine.MarshalingError;
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 thisNode5.first # NIL.
END; -- Marshal thisNode5.first.
ENDLOOP; -- FOR thisNode5.
END; -- Marshal record.readAccess.
END; -- OPEN record: variant.
END; -- Marshal variant.
stringName =>
BEGIN -- Marshal variant: RECORD [stringName: Rope.ROPE]
-- to pkt.data[pktLength].
BEGIN OPEN record: variant;
BEGIN -- Marshal record.stringName: Rope.ROPE to pkt.data[pktLength].
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt,
pktLength: pktLength];
pkt.data[pktLength] ← record.stringName=NIL; pktLength
← pktLength+1;
IF record.stringName # NIL
THEN BEGIN
textRope: Rope.Text = Rope.InlineFlatten[r: record.stringName];
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 record.stringName # NIL.
END; -- Marshal record.stringName.
END; -- OPEN record: variant.
END; -- Marshal variant.
ENDCASE => NULL; -- WITH variant: record.
END; -- OPEN record: thisNode1.first.
END; -- Marshal thisNode1.first.
ENDLOOP; -- FOR thisNode1.
END; -- Marshal properties.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- WriteProperties.
UnlockVersion: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← UnlockVersion, openFileID
(1): OpenFileID];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- UnlockVersion.
IncrementVersion: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, increment: LONG INTEGER] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← IncrementVersion,
openFileID (1): OpenFileID, increment (3): LONG INTEGER];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+5] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 5;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, increment: increment];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- IncrementVersion.
GetSize: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, lock: LockOption]
RETURNS [--size:-- PageCount] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← GetSize, openFileID
(1): OpenFileID, lock (3): LockOption];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
size (0): PageCount];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+4] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 4;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, lock: lock];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 2, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 2];
RETURN[resPkt.size];
END; -- GetSize.
SetSize: PUBLIC PROCEDURE [conversation: Conversation, openFileID:
OpenFileID, size: PageCount, lock: LockOption] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← SetSize, openFileID
(1): OpenFileID, size (3): PageCount, lock (5): LockOption];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+6] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 6;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface, localConversation:
conversation];
argPkt↑ ← [openFileID: openFileID, size: size, lock: lock];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- SetSize.
--Remote public signals and errors are imported from the interface.
-- 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
AccessFailed => RETURN[
AccessFailedStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
LockFailed => RETURN[
LockFailedStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
OperationFailed => RETURN[
OperationFailedStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
StaticallyInvalid => RETURN[
StaticallyInvalidStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
Unknown => RETURN[
UnknownStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
PossiblyDamaged => RETURN[
PossiblyDamagedStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
ENDCASE => RETURN[Lupine.DispatchingError[]];
END; -- ClientDispatcher
-- Public signal and error dispatcher stubs.
AccessFailedStub: --ERROR [missingAccess: AlpineEnvironment.NeededAccess]--
RpcPrivate.Dispatcher =
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex, missingAccess (1): AlpineEnvironment.NeededAccess];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
Lupine.CheckPktLength[pkt: pkt, pktLength: 2];
ERROR AccessFailed[argPkt.missingAccess];
END; -- AccessFailedStub.
LockFailedStub: --ERROR [why: AlpineEnvironment.LockFailure]-- RpcPrivate.Dispatcher
=
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex, why (1): AlpineEnvironment.LockFailure];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
Lupine.CheckPktLength[pkt: pkt, pktLength: 2];
ERROR LockFailed[argPkt.why];
END; -- LockFailedStub.
OperationFailedStub: --ERROR [why: AlpineEnvironment.OperationFailure]--
RpcPrivate.Dispatcher =
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex, why (1): AlpineEnvironment.OperationFailure];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
Lupine.CheckPktLength[pkt: pkt, pktLength: 2];
ERROR OperationFailed[argPkt.why];
END; -- OperationFailedStub.
StaticallyInvalidStub: --ERROR-- RpcPrivate.Dispatcher =
INLINE BEGIN
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
ERROR StaticallyInvalid[];
END; -- StaticallyInvalidStub.
UnknownStub: --ERROR [what: AlpineEnvironment.UnknownType]-- RpcPrivate.Dispatcher
=
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex, what (1): AlpineEnvironment.UnknownType];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
Lupine.CheckPktLength[pkt: pkt, pktLength: 2];
ERROR Unknown[argPkt.what];
END; -- UnknownStub.
PossiblyDamagedStub: --SIGNAL-- RpcPrivate.Dispatcher =
INLINE BEGIN
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
SIGNAL PossiblyDamaged[];
pktLength ← 0;
RETURN[returnLength: pktLength];
END; -- PossiblyDamagedStub.
-- No module initialization.
END. -- AlpineFileRpcClientImpl.