DIRECTORY 
CardTab USING [ Create, EachPairAction, Fetch, Pairs, Ref, Store ],
Commander USING [ CommandProc, Register ],
CommandTool USING [ NextArgument ],
Convert USING [ IntFromRope ],
IO,
Lark USING [ CommandEventSequence, LarkModel, Machine, SHHH ],
LarkControl USING [ GetLark, SetApplicationMode ],
LarkOpsRpcControl USING [ ImportNewInterface, InterfaceRecord ],
LarkSmarts,
LarkSmartsMonitorImpl,
LarkSmartsRpcControl USING [ExportInterface, InterfaceName, UnexportInterface],
LupineRuntime,
MBQueue USING [ Create, Flush, Queue, QueueClientAction ],
NameDB USING [ GetAttribute ],
NamesRPC USING [ StartConversation ],
Nice USING [ LarkConLogStream ],
Process USING [ Detach, Pause, SecondsToTicks ],
Pup USING [ nullSocket ],
RefID USING [ ID, Reseal, Unseal ],
Rope USING [Equal],
RPC USING [ AuthenticateFailed, EncryptionKey, ExportFailed, GetCaller, ImportFailed ],
ThNet USING [ pd ],
ThPartyPrivate USING [ AssignSmartsID, RegisterLocal, UnsealSmarts ],
ThParty USING [ Deregister, Enable, SmartsInterfaceRecord ],
Thrush USING [
Credentials, epoch, Epoch, NB, NetAddress, noAddress, nullID, PartyID, PartyType, ROPE, SmartsID, unencrypted ], 
ThSmartsPrivate USING [
CheckHookState, EnterLarkState, Fail, LarkInfo, LarkInfoBody, LarkParseEvent, LarkProgress, LarkReportAction, LarkSubstitution, NoteNewState, QueueLarkAction, RegisterTrunk, SetupTimeouts, SmartsInfo, SmartsInfoBody ],
ThSmartsRpcControl,
ThVersions,
Triples USING [ Make ],
TU,
VoiceUtils USING [ CmdOrToken, CurrentPasskey, DNFProc, InstanceFromNetAddress, MakeRName, Problem, ProblemFR, RegisterWhereToReport, ReportFR, RnameToRspec, Rspec, WhereProc ]
;

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

larkInfos: CardTab.Ref _ NIL; -- Locate current or previous LarkInfos directly.



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
LarkInfo: TYPE = ThSmartsPrivate.LarkInfo;
SmartsID: TYPE = Thrush.SmartsID;
SmartsInfo: TYPE = ThSmartsPrivate.SmartsInfo;
SmartsInfoBody: TYPE = ThSmartsPrivate.SmartsInfoBody;


potentialServiceProvider: PROC[credentials: Thrush.Credentials, smartsInfo: SmartsInfo];


Register: PUBLIC PROC[
shh: SHHH,	-- encrypts connection
oldSmartsID: Thrush.SmartsID,
oldEpoch: Thrush.Epoch,
machine: Lark.Machine, -- 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;
smartsInfo: SmartsInfo;
larkInfo: LarkInfo;
inputQueue: MBQueue.Queue;
larkInterface: LarkOpsRpcControl.InterfaceRecord_NIL;
rName: ROPE _ RPC.GetCaller[shh];
serviceName: ROPE;
partyType: Thrush.PartyType _ $telephone;
s: VoiceUtils.Rspec _ NIL;
netAddress: Thrush.NetAddress = [machine.net, machine.host, Pup.nullSocket];

larkInfo _ LarkInfoForNetAddress[netAddress].info;
IF larkInfo#NIL AND ~larkInfo.failed THEN {
inputQueue _ larkInfo.inputQueue;
ThSmartsPrivate.Fail[larkInfo, "Lark is reregistering", FALSE]; -- already rebooted
}
ELSE inputQueue _ MBQueue.Create[];

IF (s_VoiceUtils.RnameToRspec[rName])#NIL
AND VoiceUtils.RnameToRspec[s.simpleName] # NIL THEN rName_s.simpleName;
serviceName _ NameDB.GetAttribute[rName, $service];
IF serviceName#NIL THEN partyType _ $service;
larkSh _ IF NOT ThNet.pd.encryptionRequested THEN Thrush.unencrypted
ELSE NamesRPC.StartConversation [
caller: myName.instance,
callee: rName,
key:	serverPassword,
level:	--<<ECB>>--CBCCheck ! RPC.AuthenticateFailed=> {
VoiceUtils.ProblemFR["Can't authenticate %g to %g", $System, NIL,
rope[myName.instance], rope[rName]]; GOTO NotSmart; }];

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

larkInfo _ NEW[ThSmartsPrivate.LarkInfoBody _ [
interface: larkInterface,
shh: larkSh,
netAddress: netAddress,
model: model,
inputQueue: inputQueue,
textToSpeech: Rope.Equal[serviceName, "Text-to-Speech", FALSE],
scratchEv: NEW[Lark.CommandEventSequence[15]]
]];
smartsID _ ThPartyPrivate.AssignSmartsID[];
smartsInfo _ NEW[SmartsInfoBody_ [
smartsID: smartsID,
partyType: partyType,
ParseEvent: ThSmartsPrivate.LarkParseEvent,
NoteNewStateP: ThSmartsPrivate.NoteNewState,
requests: MBQueue.Create[],
larkInfo: larkInfo
]];
inputQueue.QueueClientAction[
QdLarkRegistration, NEW[RegistrationInfoSpec _
[smartsInfo, rName, serviceName, clientInstance]]];
EXITS
NotSmart => RETURN; 
};

RegistrationInfo: TYPE = REF RegistrationInfoSpec;
RegistrationInfoSpec: TYPE = RECORD [
smartsInfo: SmartsInfo,
rName: ROPE,
serviceName: ROPE, 
clientInstance: ROPE
];

QdLarkRegistration: ENTRY PROC[r:REF] = {
ENABLE UNWIND => NULL;
nb: Thrush.NB;
registrationInfo: RegistrationInfo _ NARROW[r];
smartsInfo: SmartsInfo _ registrationInfo.smartsInfo;
larkInfo: LarkInfo _ smartsInfo.larkInfo;
credentials: Thrush.Credentials;
smartsID: Thrush.SmartsID;
smarts: REF;
localSmarts: ThParty.SmartsInterfaceRecord;
localSmarts _ ThSmartsRpcControl.NewInterfaceRecord[];
localSmarts.clientStubProgress _ ThSmartsPrivate.LarkProgress;
localSmarts.clientStubSubstitution _ ThSmartsPrivate.LarkSubstitution;
localSmarts.clientStubReportAction _ ThSmartsPrivate.LarkReportAction;
[nb, credentials] _ ThPartyPrivate.RegisterLocal[
rName: (SELECT smartsInfo.partyType FROM
$telephone => registrationInfo.rName,
ENDCASE=> registrationInfo.serviceName),
type: smartsInfo.partyType,
interfaceRecord: localSmarts,
smartsID: smartsInfo.smartsID, -- pre-allocated so Lark could know.
properties: [role: $voiceTerminal, netAddress: larkInfo.netAddress]
];
IF nb # $success OR (smartsID_credentials.smartsID) = nullID THEN {
VoiceUtils.ProblemFR["Can't register Lark: %g, %g",$System,NIL,
rope[registrationInfo.rName], rope[registrationInfo.clientInstance]]; GOTO NotSmart; };
larkInfo.larkSmartsInfo _ smartsInfo;
smarts _ RefID.Unseal[smartsID];
IF smarts=NIL THEN ERROR;
Triples.Make[$SmartsData, smarts, smartsInfo];
IF smartsInfo.partyType # $service THEN
[--nb--, smartsInfo.otherSmartsID]_
ThSmartsPrivate.RegisterTrunk[ smartsID, smartsInfo, registrationInfo.rName ];
VoiceUtils.ReportFR[" (%g = %g)", $Smarts, smartsInfo, rope[registrationInfo.clientInstance], TU.RefAddr[smarts]];
IF potentialServiceProvider#NIL THEN potentialServiceProvider[credentials, smartsInfo];
RegisterLarkInfo[larkInfo];
NoteApplicationState[larkInfo, 'r];
[]_ThSmartsPrivate.CheckHookState[larkInfo];
EXITS
NotSmart => RETURN; 
};

EnableSmarts: PUBLIC ENTRY PROC[r: REF] = {
ENABLE UNWIND => NULL;
larkInfo: LarkInfo _ NARROW[r];
debugging: BOOL;
smartsInfo: SmartsInfo _ larkInfo.larkSmartsInfo;
IF larkInfo.failed THEN RETURN; -- Lost a race
IF ThParty.Enable[ smartsID: smartsInfo.smartsID] # $success 
OR (smartsInfo.otherSmartsID # nullID AND
ThParty.Enable[smartsID: smartsInfo.otherSmartsID] # $success) THEN {
VoiceUtils.Problem["Could not enable", $Smarts, smartsInfo];
ThSmartsPrivate.Fail[larkInfo, "Lark failure due to failure to enable party", FALSE];
};
ThSmartsPrivate.EnterLarkState[ larkInfo, idle ]; -- Reset the Lark
debugging _ Rope.Equal[case: FALSE, s2: "D",
s1: NameDB.GetAttribute[
VoiceUtils.InstanceFromNetAddress[larkInfo.netAddress, NIL], $mode, "O", $larkhost]];
larkInfo.debugging _ debugging;
ThSmartsPrivate.SetupTimeouts[ larkInfo, debugging ]; -- Reset the Lark
NoteApplicationState[larkInfo, 'R];
};

Deregister: PUBLIC ENTRY PROC[r: REF] = {
larkInfo: LarkInfo _ NARROW[r];
smartsID: SmartsID _ nullID;
otherSmartsID: SmartsID _ nullID;
smartsInfo: SmartsInfo _ IF larkInfo#NIL THEN larkInfo.larkSmartsInfo ELSE NIL;
smarts: REF;
IF smartsInfo = NIL THEN {
VoiceUtils.Problem["No Smarts to Deregister", $System];
RETURN;
};
NoteApplicationState[larkInfo, 'U];
smartsID _ smartsInfo.smartsID;
smarts _ ThPartyPrivate.UnsealSmarts[smartsID];
VoiceUtils.ReportFR["Smarts %d (%g) is dead", $Smarts, smartsInfo,
card[Reseal[smarts]], TU.RefAddr[smarts]];
smartsInfo.failed _ TRUE;
smartsInfo.larkInfo.larkSmartsInfo _ NIL;
IF smartsInfo.larkInfo.larkTrunkSmartsInfo#NIL THEN {
smartsInfo.larkInfo.larkTrunkSmartsInfo.failed _ TRUE;
smartsInfo.larkInfo.larkTrunkSmartsInfo.larkInfo _ NIL;
};
smartsInfo.larkInfo.larkTrunkSmartsInfo _ NIL;
smartsInfo.larkInfo _ NIL;
otherSmartsID _ smartsInfo.otherSmartsID;
IF otherSmartsID # nullID THEN [--nb--]_ThParty.Deregister[smartsID: otherSmartsID];
[--nb--]_ThParty.Deregister[smartsID: smartsID];
smartsInfo.requests.Flush[]; -- Abandon progress-notification queue
};

NoteApplicationState: INTERNAL PROC[info: LarkInfo, state: CHAR] = {
LarkControl.SetApplicationMode[LarkControl.GetLark[info.netAddress], state];
};

Login: PUBLIC PROC[shh: SHHH_, smartsID: SmartsID_, authenticated: BOOL_TRUE] = { NULL;};


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

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


KillLark: Commander.CommandProc = {
netAddress: Thrush.NetAddress =
[[173B],[Convert.IntFromRope[CommandTool.NextArgument[cmd], 8]], Pup.nullSocket];
larkInfo: LarkInfo _ LarkInfoForNetAddress[netAddress].info;
IF larkInfo=NIL THEN RETURN;
ThSmartsPrivate.Fail[larkInfo, "Lark failed through operator request", TRUE];
};

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

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

RegisterServiceProvider: PUBLIC PROC[
serviceProvider: PROC[credentials: Thrush.Credentials, smartsInfo: SmartsInfo]]  = {
potentialServiceProvider _ serviceProvider;
};

RegisterLarkInfo: PROC[info: LarkInfo] = {
index: CARD _ LarkInfoForNetAddress[info.netAddress].index;
[] _ larkInfos.Store[index, info];
};

LarkInfoForNetAddress: PROC[netAddress: Thrush.NetAddress]
RETURNS[info: LarkInfo, index: CARD] = TRUSTED {
netAddress.socket _ Pup.nullSocket; -- only interested in host values
index _ LOOPHOLE[LONG[@netAddress], LONG POINTER TO CARD]^;
IF larkInfos=NIL THEN {
larkInfos _ CardTab.Create[mod: 59];
TRUSTED { Process.Detach[FORK LarkWatchDogTimerProcess[]]; };
};
info _ NARROW[larkInfos.Fetch[index].val];
};

LarkWatchDogTimerProcess: PROC = {
LarkWatchDogTimer: CardTab.EachPairAction = {
info: LarkInfo = NARROW[val];
IF info=NIL OR info.failed THEN RETURN[FALSE];
ThSmartsPrivate.QueueLarkAction[info, NEW[BOOL_TRUE]];
Process.Pause[Process.SecondsToTicks[ThNet.pd.larkWatchDogTimerInterval]];
RETURN[FALSE];
};
DO
IF ThNet.pd.runLarkWatchDogTimer THEN [] _ larkInfos.Pairs[LarkWatchDogTimer];
Process.Pause[Process.SecondsToTicks[1]];
ENDLOOP;
};


 
Commander.Register["LarkSmarts", LarkSmartsInit, "LarkSmarts <ExportInstance[Strowger]> <ServerPassword[...]>\nInitialize and Export LarkSmarts"];


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


}.
2LarkSmartsInitImpl.mesa
Copyright c 1985, 1986 by Xerox Corporation.  All rights reserved.
Last modified by D. Swinehart, April 6, 1987 11:49:56 am PDT
Last Edited by: Pier, May 3, 1984 2:52:59 pm PDT
Copies
Limited registration for supporting service registration.  This handles only one service that would like to register with LarkSmarts parties (intended for synthesizer).  If multiple registrations became necessary, would have to extend this.
See LarkSmartsInitImpl for the point of invocation, LarkSmartsSynthImpl for an example of use.
Registration/Deregistration/Initialization
This procedure is synchronous with the Lark.  We do enough to get started, then serialize the actual registration action with input and fail events.
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.   Don't assume that its type has not changed from $telephone to $service or vice/versa
Develop rName: the actual RName to be used to represent this party, given one that might be of the form Name.reg or Name.reg1.reg2.  The latter is converted to Name.reg1.  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.

Get encryption taken care of 
Make sure we can talk to the Lark
No further bad things are expected to happen.
If anyone has registered, call them.  They may want to register a service with our party.  See LarkSmartsSynthImpl for an (the) example.
Subsequent input events must relate to new world.
If the phone is on-hook, mark us ready to go, and set up any once-only Lark params.
Notification would loop
We're debugging if the lark's mode field in the database has the value "D" or "d"
Serialized with input events.  Called (queued) only from LarkOutImpl.Fail.
Not implemented
Other Utilities
Initialization, export "LarkSmarts"
Same as $Lark, except doesn't print at all if debugging viewer not found.
See LarkSmartsSynthImpl for an (the) example.  See Register (above) for invocation of potentialServiceProvider.
Polls active Larks at intervals, so that non-working ones can be discovered and removed from registered service quickly.  This happens whether the Larks are involved in conversations or not.
[key: CardTab.Key, val: CardTab.Val] RETURNS [quit: BOOLEAN]
Special case requesting simplest status check.  If Lark doesn't return, will trigger
failure of LarkSmarts.
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
Swinehart, May 17, 1986 5:57:14 pm PDT
Cedar 6.1
changes to: DIRECTORY, WhereIsSmartsLog, WhereIsLarkLog, KillLark
Swinehart, May 25, 1986 10:09:37 pm PDT
Lark => LarkOps
changes to: DIRECTORY, LarkSmartsInitImpl, Register

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