-- Stub file was translated on July 19, 1984 2:05:38 am PDT by Lupine of December 20, 1983 1:22:57 pm PST
-- Copyright (C) 1985 by Xerox Corporation. All rights reserved.
-- Source interface Multibus came from file Multibus.bcd, which was created on July 19, 1984 1:56:38 am PDT with version stamp 14#17#25044235147 from source of July 17, 1984 3:41:14 pm PDT.
-- Tim Diebert: July 2, 1985 3:19:24 pm PDT
-- The RPC stub modules for Multibus are:
-- MultibusRpcControl.mesa;
-- MultibusRpcClientImpl.mesa;
-- MultibusRpcBinderImpl.mesa;
-- MultibusRpcServerImpl.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
Multibus,
MultibusRpcControl 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]--;
MultibusRpcClientImpl: MONITOR
IMPORTS RpcPrivate: RPCLupine, Lupine: LupineRuntime, -- Atom, -- Rope
EXPORTS Multibus, MultibusRpcControl
SHARES Multibus, MultibusRpcControl, Rope
= BEGIN OPEN Multibus, RpcControl: MultibusRpcControl, 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 "Multibus~14#17#25044235147",
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.
Input: PUBLIC PROCEDURE [address: HANDLEIOAddress] RETURNS [--word:--
UNSPECIFIED] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Input, address (1):
HANDLEIOAddress];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
word (0): UNSPECIFIED];
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];
argPkt↑ ← [address: address];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 1, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
RETURN[resPkt.word];
END; -- Input.
Output: PUBLIC PROCEDURE [word: UNSPECIFIED, address: HANDLEIOAddress]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Output, word (1):
UNSPECIFIED, address (2): HANDLEIOAddress];
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];
argPkt↑ ← [word: word, address: address];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- Output.
RawRead: PUBLIC PROCEDURE [address: HANDLERawAddress] RETURNS [--word:--
UNSPECIFIED] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← RawRead, address
(1): HANDLERawAddress];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
word (0): UNSPECIFIED];
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];
argPkt↑ ← [address: address];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 1, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
RETURN[resPkt.word];
END; -- RawRead.
RawWrite: PUBLIC PROCEDURE [word: UNSPECIFIED, address: HANDLERawAddress]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← RawWrite, word (1):
UNSPECIFIED, address (2): HANDLERawAddress];
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];
argPkt↑ ← [word: word, address: address];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- RawWrite.
RawReadPage: PUBLIC PROCEDURE [address: HANDLERawAddress] RETURNS
[page: Page] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← RawReadPage, address
(1): HANDLERawAddress];
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 ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
argPkt↑ ← [address: address];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 254, signalHandler: ClientDispatcher];
pktLength ← 0;
BEGIN -- Unmarshal page: Page from pkt.data[pktLength].
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
dataAdr: @page, dataLength: SIZE[Page], alwaysOnePkt: FALSE];
END; -- Unmarshal page.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
RETURN[page];
END; -- RawReadPage.
RawWritePage: PUBLIC PROCEDURE [page: Page, address: HANDLERawAddress]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← RawWritePage, address
(1): HANDLERawAddress];
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 ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
argPkt↑ ← [address: address];
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];
RETURN[];
END; -- RawWritePage.
RawReadBlock: PUBLIC PROCEDURE [address: HANDLERawAddress] RETURNS
[block: Block] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← RawReadBlock, address
(1): HANDLERawAddress];
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 ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
argPkt↑ ← [address: address];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 254, signalHandler: ClientDispatcher];
pktLength ← 0;
BEGIN -- Unmarshal block: Block from pkt.data[pktLength].
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
dataAdr: @block, dataLength: SIZE[Block], alwaysOnePkt: FALSE];
END; -- Unmarshal block.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
RETURN[block];
END; -- RawReadBlock.
RawWriteBlock: PUBLIC PROCEDURE [block: Block, address: HANDLERawAddress]
=
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← RawWriteBlock, address
(1): HANDLERawAddress];
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 ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
argPkt↑ ← [address: address];
BEGIN -- Marshal block: Block to pkt.data[pktLength].
pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
dataAdr: @block, dataLength: SIZE[Block], alwaysOnePkt: FALSE];
END; -- Marshal block.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0, signalHandler: ClientDispatcher];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RETURN[];
END; -- RawWriteBlock.
-- Remote public signals and errors.
Error: PUBLIC ERROR [reason: LONG STRING] = 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 [reason: LONG STRING]-- RpcPrivate.Dispatcher
=
INLINE BEGIN
reason: LONG STRING;
pktLength: RpcPrivate.DataLength ← 1;
MaxHeapAllocs: CARDINAL = 1;
heapAllocVector: ARRAY [1..MaxHeapAllocs] OF LONG POINTER←ALL[NIL];
BEGIN ENABLE UNWIND => BEGIN -- Free storage.
FOR ptr: CARDINAL IN [1..LENGTH[heapAllocVector]] DO
IF heapAllocVector[ptr] = NIL
THEN EXIT
ELSE paramZones.heap.FREE[@heapAllocVector[ptr]];
ENDLOOP;
END; -- Free storage.
BEGIN -- Unmarshal reason: LONG STRING from pkt.data[pktLength].
stringIsNIL: Lupine.NilHeader;
IF pktLength+3 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.FinishThisPkt[pkt: pkt, pktLength:
pktLength];
stringIsNIL ← pkt.data[pktLength]; pktLength ← pktLength+1;
IF stringIsNIL
THEN reason ← NIL
ELSE BEGIN
stringHeader: Lupine.StringHeader;
stringHeader.all ← Lupine.RpcPktDoubleWord[pkt, pktLength]↑;
pktLength ← pktLength + 2;
reason ← (heapAllocVector[1] ← paramZones.heap.NEW[StringBody[stringHeader.maxLength]]);
reason.length ← stringHeader.length;
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
dataAdr: BASE[reason.text], dataLength: Lupine.WordsForChars[stringHeader.length],
alwaysOnePkt: FALSE];
END; -- IF stringIsNIL.
END; -- Unmarshal reason.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
ERROR Error[reason];
END; -- ENABLE UNWIND => Free storage.
END; -- ErrorStub.
-- No module initialization.
END. -- MultibusRpcClientImpl.