84 lines
3.0 KiB
JavaScript
84 lines
3.0 KiB
JavaScript
"use strict";
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/*
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* Copyright 2022 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.InterceptingListenerImpl = void 0;
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exports.isInterceptingListener = isInterceptingListener;
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function isInterceptingListener(listener) {
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return (listener.onReceiveMetadata !== undefined &&
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listener.onReceiveMetadata.length === 1);
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}
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class InterceptingListenerImpl {
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constructor(listener, nextListener) {
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this.listener = listener;
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this.nextListener = nextListener;
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this.processingMetadata = false;
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this.hasPendingMessage = false;
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this.processingMessage = false;
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this.pendingStatus = null;
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}
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processPendingMessage() {
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if (this.hasPendingMessage) {
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this.nextListener.onReceiveMessage(this.pendingMessage);
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this.pendingMessage = null;
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this.hasPendingMessage = false;
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}
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}
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processPendingStatus() {
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if (this.pendingStatus) {
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this.nextListener.onReceiveStatus(this.pendingStatus);
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}
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}
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onReceiveMetadata(metadata) {
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this.processingMetadata = true;
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this.listener.onReceiveMetadata(metadata, metadata => {
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this.processingMetadata = false;
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this.nextListener.onReceiveMetadata(metadata);
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this.processPendingMessage();
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this.processPendingStatus();
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});
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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onReceiveMessage(message) {
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/* If this listener processes messages asynchronously, the last message may
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* be reordered with respect to the status */
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this.processingMessage = true;
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this.listener.onReceiveMessage(message, msg => {
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this.processingMessage = false;
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if (this.processingMetadata) {
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this.pendingMessage = msg;
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this.hasPendingMessage = true;
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}
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else {
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this.nextListener.onReceiveMessage(msg);
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this.processPendingStatus();
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}
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});
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}
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onReceiveStatus(status) {
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this.listener.onReceiveStatus(status, processedStatus => {
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if (this.processingMetadata || this.processingMessage) {
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this.pendingStatus = processedStatus;
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}
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else {
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this.nextListener.onReceiveStatus(processedStatus);
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}
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});
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}
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}
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exports.InterceptingListenerImpl = InterceptingListenerImpl;
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//# sourceMappingURL=call-interface.js.map
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