DIRECTORY 
Atom USING [ GetPName ],
Commander USING [ CommandProc, Register ],
CommandTool USING [ NextArgument ],
Convert USING [ IntFromRope ],
IO,
Lark USING [ CommandEventSequence, LarkModel, SHHH ],
LarkRpcControl USING [ ImportNewInterface, InterfaceRecord ],
LarkSmarts,
LarkSmartsMonitorImpl,
LarkSmartsRpcControl USING [ExportInterface, InterfaceName, UnexportInterface],
LupineRuntime,
MBQueue USING [ Create ],
NamesGV USING [ GVGetAttribute ],
NamesRPC USING [ StartConversation ],
Nice USING [ LarkConLogStream ],
RefID USING [ ID, Reseal, Unseal ],
Rope USING [Concat, Equal],
RPC USING [ AuthenticateFailed, EncryptionKey, ExportFailed, GetCaller, ImportFailed ],
ThNet USING [ pd ],
ThPartyPrivate USING [ RegisterLocal ],
ThParty USING [ Deregister, Enable, SmartsInterfaceRecord ],
Thrush USING [
Credentials, epoch, Epoch, NB, NetAddress, nullID, PartyID, PartyType, ROPE, SmartsID, unencrypted ], 
ThSmartsPrivate USING [
CheckHookState, EnterLarkState, LarkFailed, LarkInfo, LarkInfoBody, LarkParseEvent, LarkProgress, NoteNewState, RegisterTrunk, SmartsInfo, SmartsInfoBody ],
ThSmartsRpcControl,
ThVersions,
Triples USING [ Any, Erase, Make, Select ],
TU,
VoiceUtils USING [ CmdOrToken, CurrentPasskey, DNFProc, InstanceFromNetAddress, MakeAtom, Problem, ProblemFR, RegisterWhereToReport, ReportFR, RnameToRspec, Rspec, WhereProc ]
;

LarkSmartsInitImpl: CEDAR MONITOR LOCKS root
IMPORTS IO, 
Atom,
Commander,
CommandTool,
Convert,
LarkRpcControl,
LarkSmartsRpcControl,
NamesGV,
NamesRPC,
root: LarkSmartsMonitorImpl,
LupineRuntime,
MBQueue,
Nice,
RefID,
Rope,
RPC,
ThNet,
ThPartyPrivate,
ThParty,
Thrush,
ThSmartsPrivate,
ThSmartsRpcControl,
ThVersions,
Triples,
TU,
VoiceUtils
EXPORTS LarkSmarts, ThSmartsPrivate
SHARES LarkSmartsMonitorImpl = {
OPEN IO;


Reseal: PROC[r: REF] RETURNS[RefID.ID] = INLINE {RETURN[RefID.Reseal[r]]; };
nullID: RefID.ID = Thrush.nullID;
PartyID: TYPE = Thrush.PartyID;
ROPE: TYPE = Thrush.ROPE;
SHHH: TYPE = Lark.SHHH;  -- Encrypts conv. if first arg to RPC PROC
SmartsID: TYPE = Thrush.SmartsID;
SmartsInfo: TYPE = ThSmartsPrivate.SmartsInfo;
SmartsInfoBody: TYPE = ThSmartsPrivate.SmartsInfoBody;

larkRegistry: ROPE_".lark";
thSmartsExported: BOOL_FALSE;


Register: PUBLIC PROC[
shh: SHHH,	-- encrypts connection
oldSmartsID: Thrush.SmartsID,
oldEpoch: Thrush.Epoch,
netAddress: Thrush.NetAddress, -- machine name for registering Lark --
model: Lark.LarkModel,
authenticated: BOOL_FALSE,
clientInstance: ROPE ]
RETURNS [ smartsID: Thrush.SmartsID_nullID, epoch: Thrush.Epoch_Thrush.epoch ] = {

larkSh: Lark.SHHH;
localSmarts: ThParty.SmartsInterfaceRecord;
info: SmartsInfo;
larkInterface: LarkRpcControl.InterfaceRecord_NIL;
smarts: REF;
fullRname: ROPE = RPC.GetCaller[shh];
partyRname: ROPE _ fullRname;
dbRname: ROPE;
serviceName: ROPE;
partyType: Thrush.PartyType _ $telephone;
s: VoiceUtils.Rspec _ NIL;
nb: Thrush.NB;
credentials: Thrush.Credentials;

IF (s_VoiceUtils.RnameToRspec[partyRname])#NIL
AND VoiceUtils.RnameToRspec[s.simpleName] # NIL THEN partyRname_s.simpleName;
dbRname _ partyRname.Concat[larkRegistry];
serviceName _ NamesGV.GVGetAttribute[dbRname, $service, NIL];
IF serviceName#NIL THEN partyType _ $service;
DeregisterIfRegistered[netAddress, partyType];

larkSh _ IF NOT ThNet.pd.encryptionRequested THEN Thrush.unencrypted
ELSE NamesRPC.StartConversation [
caller: myName.instance,
callee: fullRname,
key:	serverPassword,
level:	--<<ECB>>--CBCCheck ! RPC.AuthenticateFailed=> {
VoiceUtils.ProblemFR["Can't authenticate %g to %g", $System, NIL,
rope[myName.instance], rope[fullRname]]; GOTO NotSmart; }];

larkInterface _ LarkRpcControl.ImportNewInterface[
interfaceName: [type: "Lark.Lark", instance: clientInstance] ! RPC.ImportFailed=> {
VoiceUtils.ProblemFR["Can't import Lark interface from %g", $System, NIL, rope[clientInstance]]; GOTO NotSmart; }];

localSmarts _ ThSmartsRpcControl.NewInterfaceRecord[];
localSmarts.clientStubProgress _ ThSmartsPrivate.LarkProgress;
[nb, credentials] _ ThPartyPrivate.RegisterLocal[
rName: (SELECT partyType FROM
$telephone => partyRname,
ENDCASE=> serviceName),
type: partyType,
interfaceRecord: localSmarts,
properties: [role: $voiceTerminal, machine: netAddress]
];
IF nb # $success OR (smartsID_credentials.smartsID) = nullID THEN {
VoiceUtils.ProblemFR["Can't register Lark: %g, %g",$System,NIL,
rope[fullRname], rope[clientInstance]]; GOTO NotSmart; };
smarts _ RefID.Unseal[smartsID];
IF smarts=NIL THEN ERROR;
info _ NEW[SmartsInfoBody_ [
smartsID: smartsID,
ParseEvent: ThSmartsPrivate.LarkParseEvent,
NoteNewStateP: ThSmartsPrivate.NoteNewState,
requests: MBQueue.Create[],
larkInfo: NEW[ThSmartsPrivate.LarkInfoBody _ [
interface: larkInterface,
shh: larkSh,
netAddress: netAddress,
model: model,
textToSpeech: Rope.Equal[serviceName, "Text-to-Speech", FALSE]
]] ]];
info.larkInfo.larkSmartsInfo _ info;
info.larkInfo.scratchEv _ NEW[Lark.CommandEventSequence[15]];
Triples.Make[$SmartsData, smarts, info];
IF partyType # $service THEN
[--nb--, info.otherSmartsID]_ThSmartsPrivate.RegisterTrunk[ smartsID, info, partyRname ];
VoiceUtils.ReportFR[" (%g = %g)", $Smarts, info, rope[clientInstance], TU.RefAddr[smarts]];
EnableSmartsE[info]; -- Ready to go, as long as phone is on hook
EXITS
NotSmart => RETURN; 
};

EnableSmartsE: ENTRY PROC[info: SmartsInfo] = { []_EnableSmarts[info]; };
EnableSmarts: PUBLIC INTERNAL PROC[info: SmartsInfo] RETURNS[enabled: BOOL] = {
ENABLE UNWIND, ThSmartsPrivate.LarkFailed =>GOTO Failed;
SELECT info.larkInfo.larkState FROM
$none, $failed, $recovering => NULL;
ENDCASE=> RETURN[TRUE];
IF ThSmartsPrivate.CheckHookState[info.larkInfo].onHook=FALSE THEN RETURN[FALSE];
IF ThParty.Enable[ smartsID: info.smartsID] # $success THEN {
VoiceUtils.Problem["Could not enable", $Smarts, info]; RETURN[FALSE]; };
IF ThParty.Enable[ smartsID: info.otherSmartsID] # $success THEN
{ VoiceUtils.Problem["Impossible", $Smarts, info]; ERROR; };
ThSmartsPrivate.EnterLarkState[ info.larkInfo, none ]; -- Clear any previous failure.
ThSmartsPrivate.EnterLarkState[ info.larkInfo, idle ]; -- Reset the Lark
RETURN[TRUE];
EXITS Failed => RETURN[FALSE];
};

DeregisterIfRegistered: ENTRY PROC[
netAddress: Thrush.NetAddress, partyType: Thrush.PartyType] = {
hostAtom: ATOM = VoiceUtils.MakeAtom[VoiceUtils.InstanceFromNetAddress[netAddress,
Atom.GetPName[partyType]]];
smarts: REF_Triples.Select[$SmartsForHost, hostAtom, -- smarts --];
IF smarts=NIL THEN RETURN;
Deregister[Reseal[smarts]];
};

Deregister: PUBLIC INTERNAL PROC[smartsID: SmartsID] = {
smarts: REF _ RefID.Unseal[smartsID];
info: SmartsInfo _ IF smarts=NIL THEN NIL
ELSE NARROW[Triples.Select[$SmartsData, smarts, -- smartsInfo -- ]];
IF info#NIL THEN
ThSmartsPrivate.EnterLarkState[ info.larkInfo, failed ]; -- prevent further action.
VoiceUtils.ReportFR["Smarts %d (%g) is dead", $Smarts, info,
card[Reseal[smarts]], TU.RefAddr[smarts]];
[--nb--]_ThParty.Deregister[smartsID: smartsID];
IF info=NIL THEN RETURN;
info.larkInfo.larkSmartsInfo _ NIL;
info.larkInfo.larkTrunkSmartsInfo _ NIL;
info.larkInfo _ NIL;
Triples.Erase[$SmartsData, smarts, Triples.Any -- smartsInfo --];
};


WhereIsSmartsLog: VoiceUtils.WhereProc -- [fixedWhereData: REF ANY, whereData: REF ANY] RETURNS [s: STREAM _ NIL] --  = CHECKED {
info: SmartsInfo=NARROW[whereData];
IF info#NIL THEN s_Nice.LarkConLogStream[info.larkInfo.netAddress];
IF s#NIL AND s=Nice.LarkConLogStream[[[0],[0]]] THEN s_NIL; -- use default stream unless debug viewer stream open.
};

WhereIsLarkLog: VoiceUtils.WhereProc -- [fixedWhereData: REF ANY, whereData: REF ANY] RETURNS [s: STREAM _ NIL] --  = CHECKED {
info: ThSmartsPrivate.LarkInfo=NARROW[whereData];
IF info#NIL THEN s_Nice.LarkConLogStream[info.netAddress];
IF s#NIL AND s=Nice.LarkConLogStream[[[0],[0]]] THEN s_NIL; -- only want the debug viewer stream
};

WhereIsLarkLogFerSherr: VoiceUtils.WhereProc _ WhereIsLarkLog;
FerSherrDefault: VoiceUtils.DNFProc=TRUSTED{ RETURN[ThNet.pd.defaultLarkReports]; };


myName: LarkSmartsRpcControl.InterfaceName;
serverPassword: RPC.EncryptionKey;

KillLark: Commander.CommandProc = {
netAddress: Thrush.NetAddress =
[[173B],[Convert.IntFromRope[CommandTool.NextArgument[cmd], 8]]];
DeregisterIfRegistered[netAddress, $telephone];
DeregisterIfRegistered[netAddress, $service];
DeregisterIfRegistered[netAddress, $trunk];
};

LarkSmartsInit: Commander.CommandProc = {
ENABLE {
RPC.ExportFailed => { VoiceUtils.Problem["LarkSmarts export failed", $System]; GOTO Failed; };
};
myName _ [
type: "LarkSmarts.Lark",
instance: VoiceUtils.CmdOrToken[cmd: cmd, key: "ThrushServerInstance", default: "Morley.Lark"],
version: ThVersions.ThrushVR];
serverPassword _ VoiceUtils.CurrentPasskey[VoiceUtils.CmdOrToken[
cmd: cmd, key: "ThrushServerPassword", default: "MFLFLX"]];
IF thSmartsExported THEN RETURN;
VoiceUtils.RegisterWhereToReport[proc: WhereIsLarkLog, where: $Lark];
VoiceUtils.RegisterWhereToReport[proc: WhereIsLarkLogFerSherr, where: $LarkDetailed, defaultIfNotFound: FerSherrDefault];
VoiceUtils.RegisterWhereToReport[proc: WhereIsSmartsLog, where: $Smarts];
LarkSmartsRpcControl.ExportInterface[
interfaceName: myName,
user: myName.instance,
password: serverPassword];
VoiceUtils.ReportFR["Export[LarkSmarts.Lark, %s]", $System, NIL, rope[myName.instance]];
thSmartsExported _ TRUE;
EXITS
Failed =>
LarkSmartsRpcControl.UnexportInterface[!LupineRuntime.BindingError=>CONTINUE];
};


Commander.Register["LarkSmarts", LarkSmartsInit, "LarkSmarts <ExportInstance(opt.) <ServerPassword (opt)>> -- Initialize and Export LarkSmarts"];


Commander.Register["KillLark", KillLark, "KillLark 110 -- deregisters lark 110"];


}.
	pLarkSmartsInitImpl.mesa
Copyright c 1985 by Xerox Corporation.  All rights reserved.
Last modified by D. Swinehart, December 6, 1985 2:53:30 pm PST
Last Edited by: Pier, May 3, 1984 2:52:59 pm PDT
Copies
Registration/Deregistration/Initialization
Develop partyRname: the actual RName to be used to represent this party; and dbRname: the name under which database items are stored in Grapevine.  The rName obtained from the conversation handle may have either form initially, since Finches will supply the former and Larks will supply the latter.  Also, obtain the name of the service represented by this Rname, if any, from the database.
Above converts from, say, Swinehart.pa.lark to Swinehart.pa.
Also, from Swinehart.pa to Swinehart.pa.  Strips one registry if there are two or more.

The LarkSmarts interface definition suggests that a Lark could present enough information during registration to be simply re-validated (kind of like a hand stamp at a dance) without any great effort.  That turns out not to be worth it.  If a Lark registers when already registered, we get rid of any old information about it first. 
Get encryption taken care of 
Make sure we can talk to the Lark
No further bad things are expected to happen.
If registered, undo everything at the smarts level and below, then deregister at the Party level

Have to worry about trunk.  Or do we?
Other Utilities
Initialization, export "LarkSmarts"
Same as $Lark, except doesn't print at all if debugging viewer not found.
Swinehart, May 22, 1985 5:03:50 pm PDT
Cedar 6.0
New ways of defining service parties.  autoAnswer (formerly hotLine), radio, and textToSpeech attributes obtained from data base.  Text-To-Speech service contemplated.
Deregistration works in the face of duplicate service names, etc.
changes to: DIRECTORY, Register, DO
changes to: DIRECTORY, Register, DO, DeregisterIfRegistered, ConsiderOne (local of DeregisterIfRegistered), Deregister
Swinehart, October 28, 1985 9:55:38 am PST
Names, Log => VoiceUtils, Handle => ID
changes to: DIRECTORY, LarkSmartsInitImpl, ConversationID, Reseal, nullID, PartyID, SmartsID, Register, EnableSmarts, ConsiderOne (local of DeregisterIfRegistered), Deregister, SimpleDeregister, Login
Swinehart, November 8, 1985 3:32:57 pm PST
Accommodate new ThParty implementation
changes to: DIRECTORY, Reseal, SHHH, Register, interfaceName, EnableSmarts, DeregisterIfRegistered, Deregister

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