call.js
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"use strict";
/*
* Copyright 2019 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.ClientDuplexStreamImpl = exports.ClientWritableStreamImpl = exports.ClientReadableStreamImpl = exports.ClientUnaryCallImpl = exports.callErrorFromStatus = void 0;
const events_1 = require("events");
const stream_1 = require("stream");
const constants_1 = require("./constants");
/**
* Construct a ServiceError from a StatusObject. This function exists primarily
* as an attempt to make the error stack trace clearly communicate that the
* error is not necessarily a problem in gRPC itself.
* @param status
*/
function callErrorFromStatus(status) {
const message = `${status.code} ${constants_1.Status[status.code]}: ${status.details}`;
return Object.assign(new Error(message), status);
}
exports.callErrorFromStatus = callErrorFromStatus;
class ClientUnaryCallImpl extends events_1.EventEmitter {
constructor() {
super();
}
cancel() {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.cancelWithStatus(constants_1.Status.CANCELLED, 'Cancelled on client');
}
getPeer() {
var _a, _b;
return (_b = (_a = this.call) === null || _a === void 0 ? void 0 : _a.getPeer()) !== null && _b !== void 0 ? _b : 'unknown';
}
}
exports.ClientUnaryCallImpl = ClientUnaryCallImpl;
class ClientReadableStreamImpl extends stream_1.Readable {
constructor(deserialize) {
super({ objectMode: true });
this.deserialize = deserialize;
}
cancel() {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.cancelWithStatus(constants_1.Status.CANCELLED, 'Cancelled on client');
}
getPeer() {
var _a, _b;
return (_b = (_a = this.call) === null || _a === void 0 ? void 0 : _a.getPeer()) !== null && _b !== void 0 ? _b : 'unknown';
}
_read(_size) {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.startRead();
}
}
exports.ClientReadableStreamImpl = ClientReadableStreamImpl;
class ClientWritableStreamImpl extends stream_1.Writable {
constructor(serialize) {
super({ objectMode: true });
this.serialize = serialize;
}
cancel() {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.cancelWithStatus(constants_1.Status.CANCELLED, 'Cancelled on client');
}
getPeer() {
var _a, _b;
return (_b = (_a = this.call) === null || _a === void 0 ? void 0 : _a.getPeer()) !== null && _b !== void 0 ? _b : 'unknown';
}
_write(chunk, encoding, cb) {
var _a;
const context = {
callback: cb,
};
const flags = Number(encoding);
if (!Number.isNaN(flags)) {
context.flags = flags;
}
(_a = this.call) === null || _a === void 0 ? void 0 : _a.sendMessageWithContext(context, chunk);
}
_final(cb) {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.halfClose();
cb();
}
}
exports.ClientWritableStreamImpl = ClientWritableStreamImpl;
class ClientDuplexStreamImpl extends stream_1.Duplex {
constructor(serialize, deserialize) {
super({ objectMode: true });
this.serialize = serialize;
this.deserialize = deserialize;
}
cancel() {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.cancelWithStatus(constants_1.Status.CANCELLED, 'Cancelled on client');
}
getPeer() {
var _a, _b;
return (_b = (_a = this.call) === null || _a === void 0 ? void 0 : _a.getPeer()) !== null && _b !== void 0 ? _b : 'unknown';
}
_read(_size) {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.startRead();
}
_write(chunk, encoding, cb) {
var _a;
const context = {
callback: cb,
};
const flags = Number(encoding);
if (!Number.isNaN(flags)) {
context.flags = flags;
}
(_a = this.call) === null || _a === void 0 ? void 0 : _a.sendMessageWithContext(context, chunk);
}
_final(cb) {
var _a;
(_a = this.call) === null || _a === void 0 ? void 0 : _a.halfClose();
cb();
}
}
exports.ClientDuplexStreamImpl = ClientDuplexStreamImpl;
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