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import { EndpointSelectionType } from "./EndpointSelectionType.js";
import { Ice as Ice_Locator } from "./Locator.js";
const { LocatorPrx } = Ice_Locator;
import { PropertyNames } from "./PropertyNames.js";
import { ReferenceMode } from "./ReferenceMode.js";
import { Ice as Ice_Router } from "./Router.js";
const { RouterPrx } = Ice_Router;
import { Ice as Ice_BuiltinSequences } from "./BuiltinSequences.js";
const { StringSeqHelper } = Ice_BuiltinSequences;
import { StringUtil } from "./StringUtil.js";
import { Encoding_1_0, Protocol_1_0, stringToEncodingVersion, stringToProtocolVersion } from "./Protocol.js";
import { ParseException, MarshalException } from "./LocalExceptions.js";
import { Ice as Ice_Version } from "./Version.js";
const { ProtocolVersion, EncodingVersion } = Ice_Version;
import { stringToIdentity } from "./StringToIdentity.js";
import { RoutableReference, FixedReference } from "./Reference.js";
import { Properties } from "./Properties.js";
//
// Only for use by Instance
//
export class ReferenceFactory {
constructor(instance, communicator) {
this._instance = instance;
this._communicator = communicator;
this._defaultRouter = null;
this._defaultLocator = null;
}
create(ident, facet, template, endpoints) {
if (ident.name.length === 0 && ident.category.length === 0) {
return null;
}
return this.createImpl(
ident,
facet,
template.getMode(),
template.getProtocol(),
template.getEncoding(),
endpoints,
null,
null,
);
}
createFixed(ident, fixedConnection) {
if (ident.name.length === 0 && ident.category.length === 0) {
return null;
}
//
// Create new reference
//
return new FixedReference(
this._instance,
this._communicator,
ident,
"", // Facet
ReferenceMode.ModeTwoway,
Protocol_1_0,
this._instance.defaultsAndOverrides().defaultEncoding,
fixedConnection,
-1,
null,
);
}
copy(r) {
const ident = r.getIdentity();
if (ident.name.length === 0 && ident.category.length === 0) {
return null;
}
return r.clone();
}
createFromString(s, propertyPrefix) {
if (s === undefined || s === null || s.length === 0) {
return null;
}
const delim = " \t\n\r";
let end = 0;
let beg = StringUtil.findFirstNotOf(s, delim, end);
if (beg == -1) {
throw new ParseException(`no non-whitespace characters found in '${s}'`);
}
//
// Extract the identity, which may be enclosed in single
// or double quotation marks.
//
let idstr = null;
end = StringUtil.checkQuote(s, beg);
if (end === -1) {
throw new ParseException(`mismatched quotes around identity in '${s}'`);
} else if (end === 0) {
end = StringUtil.findFirstOf(s, delim + ":@", beg);
if (end === -1) {
end = s.length;
}
idstr = s.substring(beg, end);
} else {
beg++; // Skip leading quote
idstr = s.substring(beg, end);
end++; // Skip trailing quote
}
if (beg === end) {
throw new ParseException(`no identity in '${s}'`);
}
//
// Parsing the identity may raise ParseException.
//
const ident = stringToIdentity(idstr);
if (ident.name.length === 0) {
//
// An identity with an empty name and a non-empty
// category is illegal.
//
if (ident.category.length > 0) {
throw new ParseException("The category of a null Ice object identity must be empty.");
}
//
// Treat a stringified proxy containing two double
// quotes ("") the same as an empty string, i.e.,
// a null proxy, but only if nothing follows the
// quotes.
//
else if (StringUtil.findFirstNotOf(s, delim, end) != -1) {
throw new ParseException(`invalid characters after identity in '${s}'`);
} else {
return null;
}
}
let facet = "";
let mode = ReferenceMode.ModeTwoway;
let encoding = this._instance.defaultsAndOverrides().defaultEncoding;
let protocol = Protocol_1_0;
let adapter = "";
while (true) {
beg = StringUtil.findFirstNotOf(s, delim, end);
if (beg === -1) {
break;
}
if (s.charAt(beg) == ":" || s.charAt(beg) == "@") {
break;
}
end = StringUtil.findFirstOf(s, delim + ":@", beg);
if (end == -1) {
end = s.length;
}
if (beg == end) {
break;
}
const option = s.substring(beg, end);
if (option.length != 2 || option.charAt(0) != "-") {
throw new ParseException(`expected a proxy option but found '${option}' in '${s}'`);
}
//
// Check for the presence of an option argument. The
// argument may be enclosed in single or double
// quotation marks.
//
let argument = null;
const argumentBeg = StringUtil.findFirstNotOf(s, delim, end);
if (argumentBeg != -1) {
const ch = s.charAt(argumentBeg);
if (ch != "@" && ch != ":" && ch != "-") {
beg = argumentBeg;
end = StringUtil.checkQuote(s, beg);
if (end == -1) {
throw new ParseException(`mismatched quotes around value for ${option} option in '${s}'`);
} else if (end === 0) {
end = StringUtil.findFirstOf(s, delim + ":@", beg);
if (end === -1) {
end = s.length;
}
argument = s.substring(beg, end);
} else {
beg++; // Skip leading quote
argument = s.substring(beg, end);
end++; // Skip trailing quote
}
}
}
//
// If any new options are added here,
// IceInternal::Reference::toString() and its derived classes must be updated as well.
//
switch (option.charAt(1)) {
case "f": {
if (argument === null) {
throw new ParseException(`no argument provided for -f option in '${s}'`);
}
try {
facet = StringUtil.unescapeString(argument, 0, argument.length);
} catch (ex) {
throw new ParseException(`invalid facet in ${s}': `, ex);
}
break;
}
case "t": {
if (argument !== null) {
throw new ParseException(`unexpected argument '${argument}' provided for -t option in '${s}'`);
}
mode = ReferenceMode.ModeTwoway;
break;
}
case "o": {
if (argument !== null) {
throw new ParseException(`unexpected argument '${argument}' provided for -o option in '${s}'`);
}
mode = ReferenceMode.ModeOneway;
break;
}
case "O": {
if (argument !== null) {
throw new ParseException(`unexpected argument '${argument}' provided for -O option in '${s}'`);
}
mode = ReferenceMode.ModeBatchOneway;
break;
}
case "d": {
if (argument !== null) {
throw new ParseException(`unexpected argument '${argument}' provided for -d option in '${s}'`);
}
mode = ReferenceMode.ModeDatagram;
break;
}
case "D": {
if (argument !== null) {
throw new ParseException(`unexpected argument '${argument}' provided for -D option in '${s}'`);
}
mode = ReferenceMode.ModeBatchDatagram;
break;
}
case "s": {
if (argument !== null) {
throw new ParseException(`unexpected argument '${argument}' provided for -s option in '${s}'`);
}
// Ignored. Kept for backwards compatibility.
break;
}
case "e": {
if (argument === null) {
throw new ParseException(`no argument provided for -e option in '${s}'`);
}
try {
encoding = stringToEncodingVersion(argument);
} catch (e) {
throw new ParseException(`invalid encoding version '${argument}' in '${s}'`, e);
}
break;
}
case "p": {
if (argument === null) {
throw new ParseException(`no argument provided for -p option in '${s}'`);
}
try {
protocol = stringToProtocolVersion(argument);
} catch (
e // ParseException
) {
throw new ParseException(`invalid protocol version '${argument}' in '${s}'`, e);
}
break;
}
default: {
throw new ParseException(`unknown option '${option}' in '${s}'`);
}
}
}
if (beg === -1) {
return this.createImpl(ident, facet, mode, protocol, encoding, null, null, propertyPrefix);
}
const endpoints = [];
if (s.charAt(beg) == ":") {
const unknownEndpoints = [];
end = beg;
while (end < s.length && s.charAt(end) == ":") {
beg = end + 1;
end = beg;
while (true) {
end = s.indexOf(":", end);
if (end == -1) {
end = s.length;
break;
} else {
let quoted = false;
let quote = beg;
while (true) {
quote = s.indexOf('"', quote);
if (quote == -1 || end < quote) {
break;
} else {
quote = s.indexOf('"', ++quote);
if (quote == -1) {
break;
} else if (end < quote) {
quoted = true;
break;
}
++quote;
}
}
if (!quoted) {
break;
}
++end;
}
}
const es = s.substring(beg, end);
const endp = this._instance.endpointFactoryManager().create(es, false);
if (endp !== null) {
endpoints.push(endp);
} else {
unknownEndpoints.push(es);
}
}
if (endpoints.length === 0) {
console.assert(unknownEndpoints.length > 0);
throw new ParseException(`invalid endpoint '${unknownEndpoints[0]}' in '${s}'`);
} else if (
unknownEndpoints.length !== 0 &&
this._instance.initializationData().properties.getIcePropertyAsInt("Ice.Warn.Endpoints") > 0
) {
const msg = [];
msg.push("Proxy contains unknown endpoints:");
unknownEndpoints.forEach(unknownEndpoint => {
msg.push(" `");
msg.push(unknownEndpoint);
msg.push("'");
});
this._instance.initializationData().logger.warning(msg.join(""));
}
return this.createImpl(ident, facet, mode, protocol, encoding, endpoints, null, propertyPrefix);
} else if (s.charAt(beg) == "@") {
beg = StringUtil.findFirstNotOf(s, delim, beg + 1);
if (beg == -1) {
throw new ParseException(`missing adapter id in '${s}'`);
}
let adapterstr = null;
end = StringUtil.checkQuote(s, beg);
if (end === -1) {
throw new ParseException(`mismatched quotes around adapter id in '${s}'`);
} else if (end === 0) {
end = StringUtil.findFirstOf(s, delim, beg);
if (end === -1) {
end = s.length;
}
adapterstr = s.substring(beg, end);
} else {
beg++; // Skip leading quote
adapterstr = s.substring(beg, end);
end++; // Skip trailing quote
}
if (end !== s.length && StringUtil.findFirstNotOf(s, delim, end) !== -1) {
throw new ParseException(`invalid trailing characters after ${s.substring(0, end + 1)}' in '${s}'`);
}
try {
adapter = StringUtil.unescapeString(adapterstr, 0, adapterstr.length);
} catch (ex) {
throw new ParseException(`invalid adapter id in '${s}'`, ex);
}
if (adapter.length === 0) {
throw new ParseException(`empty adapter id in '${s}'`);
}
return this.createImpl(ident, facet, mode, protocol, encoding, null, adapter, propertyPrefix);
}
throw new ParseException(`malformed proxy '${s}'`);
}
createFromStream(ident, s) {
//
// Don't read the identity here. Operations calling this
// constructor read the identity, and pass it as a parameter.
//
if (ident.name.length === 0 && ident.category.length === 0) {
return null;
}
//
// For compatibility with the old FacetPath.
//
const facetPath = StringSeqHelper.read(s); // String[]
let facet;
if (facetPath.length > 0) {
if (facetPath.length > 1) {
throw new MarshalException(`Received invalid facet path with ${facetPath.length} elements.`);
}
facet = facetPath[0];
} else {
facet = "";
}
const mode = s.readByte();
if (mode < 0 || mode > ReferenceMode.ModeLast) {
throw new MarshalException(`Received invalid proxy mode ${mode}`);
}
s.readBool(); // ignore secure field (unused)
let protocol = null;
let encoding = null;
if (!s.getEncoding().equals(Encoding_1_0)) {
protocol = new ProtocolVersion();
protocol._read(s);
encoding = new EncodingVersion();
encoding._read(s);
} else {
protocol = Protocol_1_0;
encoding = Encoding_1_0;
}
let endpoints = null; // EndpointI[]
let adapterId = null;
const sz = s.readSize();
if (sz > 0) {
endpoints = [];
for (let i = 0; i < sz; i++) {
endpoints[i] = this._instance.endpointFactoryManager().read(s);
}
} else {
adapterId = s.readString();
}
return this.createImpl(ident, facet, mode, protocol, encoding, endpoints, adapterId, null);
}
setDefaultRouter(defaultRouter) {
if (this._defaultRouter === null ? defaultRouter === null : this._defaultRouter.equals(defaultRouter)) {
return this;
}
const factory = new ReferenceFactory(this._instance, this._communicator);
factory._defaultLocator = this._defaultLocator;
factory._defaultRouter = defaultRouter;
return factory;
}
getDefaultRouter() {
return this._defaultRouter;
}
setDefaultLocator(defaultLocator) {
if (this._defaultLocator === null ? defaultLocator === null : this._defaultLocator.equals(defaultLocator)) {
return this;
}
const factory = new ReferenceFactory(this._instance, this._communicator);
factory._defaultRouter = this._defaultRouter;
factory._defaultLocator = defaultLocator;
return factory;
}
getDefaultLocator() {
return this._defaultLocator;
}
createImpl(ident, facet, mode, protocol, encoding, endpoints, adapterId, propertyPrefix) {
const defaultsAndOverrides = this._instance.defaultsAndOverrides();
//
// Default local proxy options.
//
let locatorInfo = null;
if (this._defaultLocator !== null) {
if (!this._defaultLocator._getReference().getEncoding().equals(encoding)) {
locatorInfo = this._instance.locatorManager().find(this._defaultLocator.ice_encodingVersion(encoding));
} else {
locatorInfo = this._instance.locatorManager().find(this._defaultLocator);
}
}
let routerInfo = this._instance.routerManager().find(this._defaultRouter);
let cacheConnection = true;
let endpointSelection = defaultsAndOverrides.defaultEndpointSelection;
let locatorCacheTimeout = defaultsAndOverrides.defaultLocatorCacheTimeout;
let invocationTimeout = defaultsAndOverrides.defaultInvocationTimeout;
let context = null;
//
// Override the defaults with the proxy properties if a property prefix is defined.
//
if (propertyPrefix !== null && propertyPrefix.length > 0) {
const properties = this._instance.initializationData().properties;
Properties.validatePropertiesWithPrefix(propertyPrefix, properties, PropertyNames.ProxyProps);
let property = propertyPrefix + ".Locator";
const locator = LocatorPrx.uncheckedCast(this._communicator.propertyToProxy(property));
if (locator !== null) {
if (!locator._getReference().getEncoding().equals(encoding)) {
locatorInfo = this._instance.locatorManager().find(locator.ice_encodingVersion(encoding));
} else {
locatorInfo = this._instance.locatorManager().find(locator);
}
}
property = propertyPrefix + ".Router";
const router = RouterPrx.uncheckedCast(this._communicator.propertyToProxy(property));
if (router !== null) {
if (propertyPrefix.endsWith("Router")) {
this._instance
.initializationData()
.logger.warning(
"`" +
property +
"=" +
properties.getProperty(property) +
"': cannot set a router on a router; setting ignored",
);
} else {
routerInfo = this._instance.routerManager().find(router);
}
}
property = propertyPrefix + ".ConnectionCached";
cacheConnection = properties.getPropertyAsIntWithDefault(property, cacheConnection ? 1 : 0) > 0;
property = propertyPrefix + ".EndpointSelection";
if (properties.getProperty(property).length > 0) {
const type = properties.getProperty(property);
if (type == "Random") {
endpointSelection = EndpointSelectionType.Random;
} else if (type == "Ordered") {
endpointSelection = EndpointSelectionType.Ordered;
} else {
throw new ParseException(`illegal value '${type}'; expected 'Random' or 'Ordered'`);
}
}
property = propertyPrefix + ".LocatorCacheTimeout";
let value = properties.getProperty(property);
if (value.length !== 0) {
locatorCacheTimeout = properties.getPropertyAsIntWithDefault(property, locatorCacheTimeout);
if (locatorCacheTimeout < -1) {
locatorCacheTimeout = -1;
this._instance
.initializationData()
.logger.warning(
"invalid value for" +
property +
"`" +
properties.getProperty(property) +
"': defaulting to -1",
);
}
}
property = propertyPrefix + ".InvocationTimeout";
value = properties.getProperty(property);
if (value.length !== 0) {
invocationTimeout = properties.getPropertyAsIntWithDefault(property, invocationTimeout);
if (invocationTimeout < 1 && invocationTimeout !== -1) {
invocationTimeout = -1;
this._instance
.initializationData()
.logger.warning(
"invalid value for" +
property +
"`" +
properties.getProperty(property) +
"': defaulting to -1",
);
}
}
property = propertyPrefix + ".Context.";
const contexts = properties.getPropertiesForPrefix(property);
if (contexts.size > 0) {
context = new Map();
for (const [key, value] of contexts) {
context.set(key.substring(property.length), value);
}
}
}
//
// Create new reference
//
return new RoutableReference(
this._instance,
this._communicator,
ident,
facet,
mode,
protocol,
encoding,
endpoints,
adapterId,
locatorInfo,
routerInfo,
cacheConnection,
endpointSelection,
locatorCacheTimeout,
invocationTimeout,
context,
);
}
}
|