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const {
ObjectSetPrototypeOf,
Symbol,
} = primordials;
const {
SocketAddress: _SocketAddress,
AF_INET,
AF_INET6,
} = internalBinding('block_list');
const {
validateObject,
validateString,
validatePort,
validateUint32,
} = require('internal/validators');
const {
codes: {
ERR_INVALID_ARG_VALUE,
},
} = require('internal/errors');
const {
customInspectSymbol: kInspect,
} = require('internal/util');
const { inspect } = require('internal/util/inspect');
const {
JSTransferable,
kClone,
kDeserialize,
} = require('internal/worker/js_transferable');
const kHandle = Symbol('kHandle');
const kDetail = Symbol('kDetail');
class SocketAddress extends JSTransferable {
static isSocketAddress(value) {
return value?.[kHandle] !== undefined;
}
constructor(options = {}) {
super();
validateObject(options, 'options');
let { family = 'ipv4' } = options;
const {
address = (family === 'ipv4' ? '127.0.0.1' : '::'),
port = 0,
flowlabel = 0,
} = options;
let type;
if (typeof family?.toLowerCase === 'function')
family = family.toLowerCase();
switch (family) {
case 'ipv4':
type = AF_INET;
break;
case 'ipv6':
type = AF_INET6;
break;
default:
throw new ERR_INVALID_ARG_VALUE('options.family', options.family);
}
validateString(address, 'options.address');
validatePort(port, 'options.port');
validateUint32(flowlabel, 'options.flowlabel', false);
this[kHandle] = new _SocketAddress(address, port, type, flowlabel);
this[kDetail] = this[kHandle].detail({
address: undefined,
port: undefined,
family: undefined,
flowlabel: undefined,
});
}
get address() {
return this[kDetail].address;
}
get port() {
return this[kDetail].port;
}
get family() {
return this[kDetail].family === AF_INET ? 'ipv4' : 'ipv6';
}
get flowlabel() {
// The flow label can be changed internally.
return this[kHandle].flowlabel();
}
[kInspect](depth, options) {
if (depth < 0)
return this;
const opts = {
...options,
depth: options.depth == null ? null : options.depth - 1
};
return `SocketAddress ${inspect(this.toJSON(), opts)}`;
}
[kClone]() {
const handle = this[kHandle];
return {
data: { handle },
deserializeInfo: 'internal/socketaddress:InternalSocketAddress',
};
}
[kDeserialize]({ handle }) {
this[kHandle] = handle;
this[kDetail] = handle.detail({
address: undefined,
port: undefined,
family: undefined,
flowlabel: undefined,
});
}
toJSON() {
return {
address: this.address,
port: this.port,
family: this.family,
flowlabel: this.flowlabel,
};
}
}
class InternalSocketAddress extends JSTransferable {
constructor(handle) {
super();
this[kHandle] = handle;
}
}
InternalSocketAddress.prototype.constructor =
SocketAddress.prototype.constructor;
ObjectSetPrototypeOf(InternalSocketAddress.prototype, SocketAddress.prototype);
module.exports = {
SocketAddress,
InternalSocketAddress,
kHandle,
};
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