-- Stub file was translated on July 19, 1984 2:05:41 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 3:20:32 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 [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]--;
MultibusRpcServerImpl: MONITOR
IMPORTS Multibus, RpcPrivate: RPCLupine, Lupine: LupineRuntime, -- Atom, --
Rope
EXPORTS MultibusRpcControl
SHARES Multibus, MultibusRpcControl, Rope
= BEGIN OPEN Multibus, RpcControl: MultibusRpcControl, 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 "Multibus~14#17#25044235147",
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
Error --ERROR [reason: LONG STRING]-- =>
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex ← Error];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 1;
lastPkt: BOOLEAN;
RpcPrivate.StartSignal[signalPkt: pkt];
argPkt.transferIndex ← Error;
BEGIN -- Marshal reason: LONG STRING to pkt.data[pktLength].
IF pktLength+3 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt, pktLength:
pktLength];
pkt.data[pktLength] ← reason=NIL; pktLength ← pktLength+1;
IF reason # NIL
THEN BEGIN
stringHeader: Lupine.StringHeader = [
Lengths[length: reason.length, maxLength: reason.maxlength]];
Lupine.RpcPktDoubleWord[pkt, pktLength]↑ ← stringHeader.all;
pktLength ← pktLength + 2;
pktLength ← Lupine.CopyToPkt[pkt: pkt, pktLength: pktLength,
dataAdr: BASE[reason.text], dataLength: Lupine.WordsForChars[stringHeader.length],
alwaysOnePkt: FALSE];
END; -- IF reason # NIL.
END; -- Marshal reason.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0];
Lupine.RuntimeError; -- Impossible to RESUME an ERROR.
END; -- Error.
END; -- Catch public signals.
-- Call public procedures (still in dispatcher).
SELECT LOOPHOLE[pkt.data[0], RpcControl.ProcedureIndex] FROM
Input => RETURN[
InputStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
Output => RETURN[
OutputStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
RawRead => RETURN[
RawReadStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
RawWrite => RETURN[
RawWriteStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
RawReadPage => RETURN[
RawReadPageStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
RawWritePage => RETURN[
RawWritePageStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
RawReadBlock => RETURN[
RawReadBlockStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
RawWriteBlock => RETURN[
RawWriteBlockStub[pkt: pkt, callLength: callLength, lastPkt:
lastPkt, localConversation: localConversation]];
ENDCASE => RETURN[Lupine.DispatchingError[]];
END; -- ServerDispatcher
-- Public procedure dispatcher stubs.
InputStub: --PROCEDURE [address: HANDLEIOAddress] RETURNS [word:
-- UNSPECIFIED]-- RpcPrivate.Dispatcher =
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, address (1): HANDLEIOAddress];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
word (0): UNSPECIFIED];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 3];
[resPkt.word] ← Input[argPkt.address];
pktLength ← 1;
RETURN[returnLength: pktLength];
END; -- InputStub.
OutputStub: --PROCEDURE [word: UNSPECIFIED, address: HANDLEIOAddress]--
RpcPrivate.Dispatcher =
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, word (1): UNSPECIFIED,
address (2): HANDLEIOAddress];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 4];
Output[argPkt.word, argPkt.address];
pktLength ← 0;
RETURN[returnLength: pktLength];
END; -- OutputStub.
RawReadStub: --PROCEDURE [address: HANDLERawAddress] RETURNS [word:
-- UNSPECIFIED]-- RpcPrivate.Dispatcher =
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, address (1): HANDLERawAddress];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
word (0): UNSPECIFIED];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 3];
[resPkt.word] ← RawRead[argPkt.address];
pktLength ← 1;
RETURN[returnLength: pktLength];
END; -- RawReadStub.
RawWriteStub: --PROCEDURE [word: UNSPECIFIED, address: HANDLERawAddress]--
RpcPrivate.Dispatcher =
INLINE BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, word (1): UNSPECIFIED,
address (2): HANDLERawAddress];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 4];
RawWrite[argPkt.word, argPkt.address];
pktLength ← 0;
RETURN[returnLength: pktLength];
END; -- RawWriteStub.
RawReadPageStub: --PROCEDURE [address: HANDLERawAddress] RETURNS
-- [page: Page]-- RpcPrivate.Dispatcher =
INLINE BEGIN
page: Page;
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, address (1): HANDLERawAddress];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 3];
[page] ← RawReadPage[argPkt.address];
pktLength ← 0;
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.
RETURN[returnLength: pktLength];
END; -- RawReadPageStub.
RawWritePageStub: --PROCEDURE [page: Page, address: HANDLERawAddress]--
RpcPrivate.Dispatcher =
INLINE BEGIN
page: Page;
address: HANDLERawAddress;
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, address (1): HANDLERawAddress];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
[address: address] ← argPkt↑;
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];
RawWritePage[page, address];
pktLength ← 0;
RETURN[returnLength: pktLength];
END; -- RawWritePageStub.
RawReadBlockStub: --PROCEDURE [address: HANDLERawAddress] RETURNS
-- [block: Block]-- RpcPrivate.Dispatcher =
INLINE BEGIN
block: Block;
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, address (1): HANDLERawAddress];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 3];
[block] ← RawReadBlock[argPkt.address];
pktLength ← 0;
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.
RETURN[returnLength: pktLength];
END; -- RawReadBlockStub.
RawWriteBlockStub: --PROCEDURE [block: Block, address: HANDLERawAddress]--
RpcPrivate.Dispatcher =
INLINE BEGIN
block: Block;
address: HANDLERawAddress;
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, address (1): HANDLERawAddress];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
[address: address] ← argPkt↑;
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];
RawWriteBlock[block, address];
pktLength ← 0;
RETURN[returnLength: pktLength];
END; -- RawWriteBlockStub.
-- No module initialization.
END. -- MultibusRpcServerImpl.