-- Copyright (C) 1987 by Xerox Corporation. All rights reserved.
-- Stub file was translated on April 2, 1987 6:03:59 pm PST by Lupine of January 22, 1987 5:37:32 pm PST
-- Source interface Agent came from file Agent.bcd, which was created on April 2, 1987 6:03:41 pm PST with version stamp 323#256#36742657033 from source of May 23, 1986 3:27:05 pm PDT.
-- The RPC stub modules for Agent are:
-- AgentRpcControl.mesa;
-- AgentRpcClientImpl.mesa;
-- AgentRpcBinderImpl.mesa;
-- AgentRpcServerImpl.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 = 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
DESFace,
Pup,
RPC,
Agent,
AgentRpcControl USING [InterfaceRecord, InterMdsCallsOnly, LupineProtocolVersion,
ProcedureIndex, SignalIndex],
RPCLupine --USING SOME OF [Alloc, Call, DataLength, DeAlloc, Dispatcher,
-- GetPkt, GetStubPkt, ImportHandle, ImportInterface, ImportInterfaceWithHost,
-- maxDataLength, maxPrincipalLength, maxShortStringLength, noHost,
-- pktOverhead, ReceiveExtraPkt, RPCHost, SendPrelimPkt, StartCall,
-- StartSignal, StubPkt, UnimportInterface]--,
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]--,
PrincOpsUtils --USING SOME OF [Enter, Exit]--,
Rope --USING SOME OF [InlineFlatten, Length, NewText, Text]--,
VM --USING SOME OF [AddressForPageNumber, PageCount, PageNumber,
-- PageNumberForAddress, PagesForWords]--;
AgentRpcClientImpl: MONITOR
IMPORTS RpcPrivate: RPCLupine, Lupine: LupineRuntime, Atom, PrincOpsUtils,
Rope
EXPORTS Agent, AgentRpcControl
SHARES Agent, AgentRpcControl, Rope
= BEGIN OPEN Agent, RpcControl: AgentRpcControl, 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,
hostHint: RpcPrivate.RPCHost←RpcPrivate.noHost ] =
TRUSTED BEGIN ENABLE UNWIND => NULL;
IsNull: PROCEDURE [string: Rope.ROPE] RETURNS [BOOLEAN] =
INLINE {RETURN[string.Length[] = 0]};
myInterface ← RpcPrivate.ImportInterfaceWithHost [
interface: [
type: IF ~IsNull[interfaceName.type]
THEN interfaceName.type ELSE "Agent~323#256#36742657033",
instance: interfaceName.instance,
version: interfaceName.version ],
localOnly: RpcControl.InterMdsCallsOnly,
stubProtocol: RpcControl.LupineProtocolVersion,
hostHint: hostHint ];
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.
Authenticate: PUBLIC PROCEDURE [nonceId: LONG INTEGER, a: Principal,
b: Principal]
RETURNS [an: Frob, ar: Frob] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Authenticate, nonceId
(1): LONG INTEGER];
pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.Alloc[RpcPrivate.pktOverhead+136]];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+136];
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
argPkt↑ ← [nonceId: nonceId];
BEGIN -- Marshal a: Principal to pkt.data[pktLength].
pktLength ← Lupine.MarshalRope[a, pkt, pktLength, TRUE];
END; -- Marshal a.
BEGIN -- Marshal b: Principal to pkt.data[pktLength].
pktLength ← Lupine.MarshalRope[b, pkt, pktLength, TRUE];
END; -- Marshal b.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 136, signalHandler: ClientDispatcher];
pktLength ← 0;
BEGIN -- Unmarshal an: Frob from pkt.data[pktLength].
[an, pktLength] ← UnmarshalFrob[pkt, pktLength];
END; -- Unmarshal an.
BEGIN -- Unmarshal ar: Frob from pkt.data[pktLength].
[ar, pktLength] ← UnmarshalFrob[pkt, pktLength];
END; -- Unmarshal ar.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+136];
RETURN[an, ar];
END; -- UNWIND.
END; -- Authenticate.
Vitae: PUBLIC PROCEDURE [clientMachine: Machine, range: RPC.VersionRange,
interfaceType: RPC.ShortROPE]
RETURNS [serverMachine: Machine, clientRname: Principal, clientInstance:
RPC.ShortROPE, serverInstance: RPC.ShortROPE] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← Vitae, clientMachine
(1): Machine, range (2): RPC.VersionRange];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
serverMachine (0): Machine];
pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.Alloc[RpcPrivate.pktOverhead+103]];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 4;
lastPkt: BOOLEAN;
BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+103];
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
argPkt↑ ← [clientMachine: clientMachine, range: range];
BEGIN -- Marshal interfaceType: RPC.ShortROPE to pkt.data[pktLength].
pktLength ← Lupine.MarshalRope[interfaceType, pkt, pktLength,
TRUE];
END; -- Marshal interfaceType.
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 103, signalHandler: ClientDispatcher];
pktLength ← 1;
[serverMachine: serverMachine] ← resPkt↑;
BEGIN -- Unmarshal clientRname: Principal from pkt.data[pktLength].
[clientRname, pktLength] ← Lupine.UnmarshalRope[pkt, pktLength,
TRUE];
END; -- Unmarshal clientRname.
BEGIN -- Unmarshal clientInstance: RPC.ShortROPE from pkt.data[pktLength].
[clientInstance, pktLength] ← Lupine.UnmarshalRope[pkt, pktLength,
TRUE];
END; -- Unmarshal clientInstance.
BEGIN -- Unmarshal serverInstance: RPC.ShortROPE from pkt.data[pktLength].
[serverInstance, pktLength] ← Lupine.UnmarshalRope[pkt, pktLength,
TRUE];
END; -- Unmarshal serverInstance.
Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+103];
RETURN[serverMachine, clientRname, clientInstance, serverInstance];
END; -- UNWIND.
END; -- Vitae.
RoutingHostForHost: PUBLIC PROCEDURE [clientMachine: Machine, targetMachine:
Machine] RETURNS [routingMachine: Machine] =
BEGIN
ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
transferIndex (0): RpcControl.ProcedureIndex ← RoutingHostForHost,
clientMachine (1): Machine, targetMachine (2): Machine];
ResultOverlay: TYPE = MACHINE DEPENDENT RECORD [
routingMachine (0): Machine];
pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+3] OF WORD;
pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
resPkt: LONG POINTER TO ResultOverlay = @pkt.data[0];
pktLength: RpcPrivate.DataLength ← 3;
lastPkt: BOOLEAN;
RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
argPkt↑ ← [clientMachine: clientMachine, targetMachine: targetMachine];
[returnLength: , lastPkt: lastPkt] ←
RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
maxReturnLength: 1, signalHandler: ClientDispatcher];
[routingMachine: routingMachine] ← resPkt↑;
Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
RETURN[routingMachine];
END; -- RoutingHostForHost.
-- Remote public signals and errors.
-- 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
ENDCASE => RETURN[Lupine.DispatchingError[]];
END; -- ClientDispatcher
-- Public signal and error dispatcher stubs.
-- Marshall/Unmarshal procedures.
UnmarshalFrob: PROC[pkt: RpcPrivate.RPCPkt, pktLength0: RpcPrivate.DataLength]
RETURNS[value: Agent.Frob, pktLength: RpcPrivate.DataLength] = BEGIN
pktLength ← pktLength0; {
BEGIN -- Unmarshal value↑: Agent.FrobRecord from pkt.data[pktLength].
recordIsNIL: Lupine.NilHeader;
recordIsNIL ← pkt.data[pktLength]; pktLength ← pktLength+1;
IF recordIsNIL
THEN value ← NIL
ELSE BEGIN
seqLength: Lupine.SequenceHeader;
seqLength ← Lupine.RpcPktDoubleWord[pkt, pktLength]↑;
pktLength ← pktLength + 2;
value ← (paramZones.gc.NEW[Agent.FrobRecord[Lupine.SHORT[seqLength]]]);
pktLength ← Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
dataAdr: LOOPHOLE[value], dataLength: SIZE[Agent.FrobRecord[LENGTH[DESCRIPTOR[value↑]]]],
alwaysOnePkt: TRUE];
END; -- IF recordIsNIL.
END; -- Unmarshal value↑.
};END;
-- No module initialization.
END. -- AgentRpcClientImpl.