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import { ArrayUtil } from "./ArrayUtil.js";
import { Ice as Ice_Identity } from "./Identity.js";
const { Identity } = Ice_Identity;
import { generateUUID } from "./UUID.js";
import {
AlreadyRegisteredException,
InitializationException,
ObjectAdapterDestroyedException,
ParseException,
} from "./LocalExceptions.js";
import { Ice as Ice_Router } from "./Router.js";
const { RouterPrx } = Ice_Router;
import { Promise } from "./Promise.js";
import { PropertyNames } from "./PropertyNames.js";
import { ServantManager } from "./ServantManager.js";
import { StringUtil } from "./StringUtil.js";
import { identityToString } from "./IdentityToString.js";
import { ObjectPrx } from "./ObjectPrx.js";
import { Logger } from "./Logger.js";
import { LoggerMiddleware } from "./LoggerMiddleware.js";
import { Properties } from "./Properties.js";
//
// Only for use by IceInternal.ObjectAdapterFactory
//
export class ObjectAdapter {
constructor(instance, communicator, objectAdapterFactory, name, router, noConfig, promise) {
this._instance = instance;
this._communicator = communicator;
this._objectAdapterFactory = objectAdapterFactory;
this._servantManager = new ServantManager(instance, name);
this._name = name;
this._publishedEndpoints = [];
this._routerInfo = null;
this._isDestroyed = false;
this._noConfig = noConfig;
this._dispatchPipeline = null;
this._middlewareStack = [];
// Install default middleware depending on the communicator's configuration.
const logger = instance.initializationData().logger;
if (logger instanceof Logger) {
const warningLevel = instance.initializationData().properties.getIcePropertyAsInt("Ice.Warn.Dispatch");
if (instance.traceLevels().dispatch > 0 || warningLevel > 0) {
this.use(
next =>
new LoggerMiddleware(
next,
logger,
instance.traceLevels().dispatch,
instance.traceLevels().dispatchCat,
warningLevel,
instance.toStringMode(),
),
);
}
}
if (this._noConfig) {
this._reference = this._instance.referenceFactory().createFromString("dummy -t", "");
this._messageSizeMax = this._instance.messageSizeMax();
promise.resolve(this);
return;
}
const properties = this._instance.initializationData().properties;
Properties.validatePropertiesWithPrefix(this._name, properties, PropertyNames.ObjectAdapterProps);
//
// Make sure named adapter has some configuration.
//
if (router === null && properties.getPropertiesForPrefix(`${this._name}.`).size === 0) {
throw new InitializationException(`Object adapter '${this._name}' requires configuration.`);
}
//
// Setup a reference to be used to get the default proxy options
// when creating new proxies. By default, create twoway proxies.
//
const proxyOptions = properties.getPropertyWithDefault(this._name + ".ProxyOptions", "-t");
try {
this._reference = this._instance.referenceFactory().createFromString("dummy " + proxyOptions, "");
} catch (ex) {
if (ex instanceof ParseException) {
throw new InitializationException(
`invalid proxy options '${proxyOptions}' for object adapter '${name}'`,
{ cause: ex },
);
} else {
throw ex;
}
}
// The maximum size of an Ice protocol message in bytes. This is limited to 0x7fffffff, which corresponds to
// the maximum value of a 32-bit signed integer.
const messageSizeMaxUpperLimit = 0x7fffffff;
const defaultMessageSizeMax = this._instance.messageSizeMax() / 1024;
const messageSizeMax = properties.getPropertyAsIntWithDefault(
`${this._name}.MessageSizeMax`,
defaultMessageSizeMax,
);
if (messageSizeMax > messageSizeMaxUpperLimit / 1024) {
throw new InitializationException(
`${this._name}.MessageSizeMax '${messageSizeMax}' is too large, it must be less than or equal to '${messageSizeMaxUpperLimit / 1024}' KiB`,
);
} else if (messageSizeMax < 1) {
this._messageSizeMax = messageSizeMaxUpperLimit;
} else {
// The property is specified in kibibytes (KiB); _messageSizeMax is stored in bytes.
this._messageSizeMax = messageSizeMax * 1024;
}
try {
if (router === null && properties.getProperty(this._name + ".Router").length > 0) {
router = new RouterPrx(communicator.propertyToProxy(this._name + ".Router"));
}
let p;
if (router !== null) {
this._routerInfo = this._instance.routerManager().find(router);
console.assert(this._routerInfo !== null);
//
// Make sure this router is not already registered with another adapter.
//
if (this._routerInfo.getAdapter() !== null) {
throw new AlreadyRegisteredException(
"object adapter with router",
identityToString(router.ice_getIdentity(), this._instance.toStringMode()),
);
}
//
// Associate this object adapter with the router. This way,
// new outgoing connections to the router's client proxy will
// use this object adapter for callbacks.
//
this._routerInfo.setAdapter(this);
//
// Also modify all existing outgoing connections to the
// router's client proxy to use this object adapter for
// callbacks.
//
p = this._instance.outgoingConnectionFactory().setRouterInfo(this._routerInfo);
} else {
p = Promise.resolve();
}
p.then(() => this.computePublishedEndpoints()).then(
endpoints => {
this._publishedEndpoints = endpoints;
promise.resolve(this);
},
ex => {
this.destroy();
promise.reject(ex);
},
);
} catch (ex) {
this.destroy();
throw ex;
}
}
getName() {
return this._noConfig ? "" : this._name;
}
getCommunicator() {
return this._communicator;
}
destroy() {
if (!this._isDestroyed) {
this._isDestroyed = true;
if (this._routerInfo !== null) {
// Remove entry from the router manager.
this._instance.routerManager().erase(this._routerInfo.getRouter());
// Clear this object adapter with the router.
this._routerInfo.setAdapter(null);
}
this._instance.outgoingConnectionFactory().removeAdapter(this);
this._servantManager.destroy();
this._objectAdapterFactory.removeObjectAdapter(this);
this._publishedEndpoints = [];
}
}
use(middleware) {
if (this._dispatchPipeline !== null) {
throw new Error("All middleware must be installed before the first dispatch.");
}
this._middlewareStack.push(middleware);
return this;
}
add(object, ident) {
return this.addFacet(object, ident, "");
}
addFacet(object, ident, facet) {
this.checkForDestruction();
ObjectAdapter.checkIdentity(ident);
ObjectAdapter.checkServant(object);
// Create a copy of the Identity argument, in case the caller reuses it.
const id = ident.clone();
this._servantManager.addServant(object, id, facet);
return this.newProxy(id, facet);
}
addWithUUID(object) {
return this.addFacetWithUUID(object, "");
}
addFacetWithUUID(object, facet) {
return this.addFacet(object, new Identity(generateUUID(), ""), facet);
}
addDefaultServant(servant, category) {
ObjectAdapter.checkServant(servant);
this.checkForDestruction();
this._servantManager.addDefaultServant(servant, category);
}
remove(ident) {
return this.removeFacet(ident, "");
}
removeFacet(ident, facet) {
this.checkForDestruction();
ObjectAdapter.checkIdentity(ident);
return this._servantManager.removeServant(ident, facet);
}
removeAllFacets(ident) {
this.checkForDestruction();
ObjectAdapter.checkIdentity(ident);
return this._servantManager.removeAllFacets(ident);
}
removeDefaultServant(category) {
this.checkForDestruction();
return this._servantManager.removeDefaultServant(category);
}
find(ident) {
return this.findFacet(ident, "");
}
findFacet(ident, facet) {
this.checkForDestruction();
ObjectAdapter.checkIdentity(ident);
return this._servantManager.findServant(ident, facet);
}
findAllFacets(ident) {
this.checkForDestruction();
ObjectAdapter.checkIdentity(ident);
return this._servantManager.findAllFacets(ident);
}
findByProxy(proxy) {
this.checkForDestruction();
const ref = proxy._getReference();
return this.findFacet(ref.getIdentity(), ref.getFacet());
}
findDefaultServant(category) {
this.checkForDestruction();
return this._servantManager.findDefaultServant(category);
}
get dispatchPipeline() {
if (this._dispatchPipeline === null) {
let dispatchPipeline = this._servantManager; // the "final" dispatcher
while (this._middlewareStack.length > 0) {
const middleware = this._middlewareStack.pop();
dispatchPipeline = middleware(dispatchPipeline);
}
this._dispatchPipeline = dispatchPipeline;
}
return this._dispatchPipeline;
}
addServantLocator(locator, prefix) {
this.checkForDestruction();
this._servantManager.addServantLocator(locator, prefix);
}
removeServantLocator(prefix) {
this.checkForDestruction();
return this._servantManager.removeServantLocator(prefix);
}
findServantLocator(prefix) {
this.checkForDestruction();
return this._servantManager.findServantLocator(prefix);
}
createProxy(ident) {
this.checkForDestruction();
ObjectAdapter.checkIdentity(ident);
return this.newProxy(ident, "");
}
createDirectProxy(ident) {
return this.createProxy(ident);
}
getEndpoints() {
return [];
}
getPublishedEndpoints() {
return ArrayUtil.clone(this._publishedEndpoints);
}
setPublishedEndpoints(newEndpoints) {
this.checkForDestruction();
if (this._routerInfo !== null) {
throw new Error("can't set published endpoints on object adapter associated with a router");
}
this._publishedEndpoints = ArrayUtil.clone(newEndpoints);
}
getServantManager() {
return this._servantManager;
}
messageSizeMax() {
return this._messageSizeMax;
}
newProxy(ident, facet) {
//
// Now we also add the endpoints of the router's server proxy, if
// any. This way, object references created by this object adapter
// will also point to the router's server proxy endpoints.
//
//
// Create a reference and return a proxy for this reference.
//
const reference = this._instance
.referenceFactory()
.create(ident, facet, this._reference, this._publishedEndpoints);
return new ObjectPrx(reference);
}
checkForDestruction() {
if (this._isDestroyed) {
throw new ObjectAdapterDestroyedException(this.getName());
}
}
static checkIdentity(ident) {
if (ident.name === undefined || ident.name === null || ident.name.length === 0) {
throw new TypeError("The name of an Ice object identity cannot be empty.");
}
if (ident.category === undefined || ident.category === null) {
ident.category = "";
}
}
static checkServant(servant) {
if (servant === undefined || servant === null) {
throw new TypeError("cannot add null servant to Object Adapter");
}
}
async computePublishedEndpoints() {
let endpoints = [];
if (this._routerInfo !== null) {
endpoints = await this._routerInfo.getServerEndpoints();
} else {
// Parse published endpoints. If set, these are used in proxies instead of the connection factory
// endpoints.
const s = this._instance.initializationData().properties.getProperty(this._name + ".PublishedEndpoints");
const delim = " \t\n\r";
let end = 0;
let beg;
while (end < s.length) {
beg = StringUtil.findFirstNotOf(s, delim, end);
if (beg === -1) {
if (s != "") {
throw new ParseException("invalid empty object adapter endpoint");
}
break;
}
end = beg;
while (true) {
end = s.indexOf(":", end);
if (end == -1) {
end = s.length;
break;
} else {
let quoted = false;
let quote = beg;
while (true) {
quote = s.indexOf('"', quote);
if (quote == -1 || end < quote) {
break;
} else {
quote = s.indexOf('"', ++quote);
if (quote == -1) {
break;
} else if (end < quote) {
quoted = true;
break;
}
++quote;
}
}
if (!quoted) {
break;
}
++end;
}
}
const endpointString = s.substring(beg, end);
const endpoint = this._instance.endpointFactoryManager().create(endpointString, false);
if (endpoint === null) {
throw new ParseException(`invalid object adapter endpoint '${s}'`);
}
endpoints.push(endpoint);
}
}
if (this._instance.traceLevels().network >= 1 && endpoints.length > 0) {
let msg = `published endpoints for object adapter '${this._name}':\n`;
msg += endpoints.map(endpoint => endpoint.toString()).join(":");
this._instance.initializationData().logger.trace(this._instance.traceLevels().networkCat, msg);
}
return endpoints;
}
}
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