-- Copyright (C) 1985 by Xerox Corporation. All rights reserved.
-- Stub file was translated on March 7, 1985 11:44:59 am PST by Lupine of March 6, 1985 8:13:46 am PST
-- Source interface Target came from file Target.bcd, which was created on March 7, 1985 11:44:45 am PST with version stamp 234#313#31370206177 from source of February 11, 1985 9:18:37 am PST.
-- The RPC stub modules for Target are:
-- TargetRpcControl.mesa;
-- TargetRpcClientImpl.mesa;
-- TargetRpcBinderImpl.mesa;
-- TargetRpcServerImpl.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
Rope,
Target,
TargetRpcControl 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]--;
TargetRpcServerImpl: MONITOR
IMPORTS Target, RpcPrivate: RPCLupine, Lupine: LupineRuntime, Atom,
Rope
EXPORTS TargetRpcControl
SHARES Target, TargetRpcControl, Rope
= BEGIN OPEN Target, RpcControl: TargetRpcControl, 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 "Target~234#313#31370206177",
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
Exception --ERROR [why: Reason]-- =>
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex ← Exception, why
(1): Reason];
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; -- Exception.
Consultation --SIGNAL-- =>
TRUSTED BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.SignalIndex ← Consultation];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 1;
lastPkt: BOOLEAN;
RpcPrivate.StartSignal[signalPkt: pkt];
argPkt.transferIndex ← Consultation;
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 0];
Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
RESUME[];
END; -- Consultation.
END; -- Catch public signals.
-- Call public procedures (still in dispatcher).
SELECT LOOPHOLE[pkt.data[0], RpcControl.ProcedureIndex] FROM
Basic => RETURN[
BasicStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
Simple => RETURN[
SimpleStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
localConversation: localConversation]];
ENDCASE => RETURN[Lupine.DispatchingError[]];
END; -- ServerDispatcher
-- Public procedure dispatcher stubs.
BasicStub: --PROCEDURE-- RpcPrivate.Dispatcher =
INLINE BEGIN
pktLength: RpcPrivate.DataLength;
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
Basic[];
pktLength ← 0;
RETURN[returnLength: pktLength];
END; -- BasicStub.
SimpleStub: --PROCEDURE [first: INT, second: REF INT] RETURNS [a:
-- Rope.ROPE, b: ATOM]-- RpcPrivate.Dispatcher =
INLINE BEGIN
second: REF INT;
a: Rope.ROPE;
b: ATOM;
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex, first (1): INT];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
BEGIN -- Unmarshal second: REF INT from pkt.data[pktLength].
isNIL: Lupine.NilHeader;
isNIL ← pkt.data[pktLength]; pktLength ← pktLength+1;
IF isNIL
THEN second ← NIL
ELSE BEGIN
second ← (paramZones.gc.NEW[INT]);
BEGIN
second↑ ← Lupine.RpcPktDoubleWord[pkt, pktLength]↑;
pktLength ← pktLength + 2;
END;
END; -- IF isNIL.
END; -- Unmarshal second.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
[a, b] ←
Simple[argPkt.first, second];
pktLength ← 0;
BEGIN -- Marshal a: Rope.ROPE to pkt.data[pktLength].
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt, pktLength: pktLength];
pkt.data[pktLength] ← a=NIL; pktLength ← pktLength+1;
IF a # NIL
THEN BEGIN
textRope: Rope.Text = Rope.InlineFlatten[r: a];
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 a # NIL.
END; -- Marshal a.
BEGIN -- Marshal b: ATOM to pkt.data[pktLength].
pNameOfAtom: Rope.Text = Atom.GetPName[atom: b];
IF pktLength+2 > RpcPrivate.maxDataLength
THEN pktLength ← Lupine.StartNextPkt[pkt: pkt, pktLength: pktLength];
pkt.data[pktLength] ← pNameOfAtom=NIL; pktLength ← pktLength+1;
IF pNameOfAtom # NIL
THEN BEGIN
textRope: Rope.Text = Rope.InlineFlatten[r: pNameOfAtom];
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 pNameOfAtom # NIL.
END; -- Marshal b.
RETURN[returnLength: pktLength];
END; -- SimpleStub.
-- No module initialization.
END. -- TargetRpcServerImpl.