dev testing

functions/node_modules/@grpc/grpc-js/build/src/resolving-call.js

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+"use strict";
+/*
+ * Copyright 2022 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.ResolvingCall = void 0;
+const call_credentials_1 = require("./call-credentials");
+const constants_1 = require("./constants");
+const deadline_1 = require("./deadline");
+const metadata_1 = require("./metadata");
+const logging = require("./logging");
+const control_plane_status_1 = require("./control-plane-status");
+const TRACER_NAME = 'resolving_call';
+class ResolvingCall {
+    constructor(channel, method, options, filterStackFactory, callNumber) {
+        this.channel = channel;
+        this.method = method;
+        this.filterStackFactory = filterStackFactory;
+        this.callNumber = callNumber;
+        this.child = null;
+        this.readPending = false;
+        this.pendingMessage = null;
+        this.pendingHalfClose = false;
+        this.ended = false;
+        this.readFilterPending = false;
+        this.writeFilterPending = false;
+        this.pendingChildStatus = null;
+        this.metadata = null;
+        this.listener = null;
+        this.statusWatchers = [];
+        this.deadlineTimer = setTimeout(() => { }, 0);
+        this.filterStack = null;
+        this.deadlineStartTime = null;
+        this.configReceivedTime = null;
+        this.childStartTime = null;
+        /**
+         * Credentials configured for this specific call. Does not include
+         * call credentials associated with the channel credentials used to create
+         * the channel.
+         */
+        this.credentials = call_credentials_1.CallCredentials.createEmpty();
+        this.deadline = options.deadline;
+        this.host = options.host;
+        if (options.parentCall) {
+            if (options.flags & constants_1.Propagate.CANCELLATION) {
+                options.parentCall.on('cancelled', () => {
+                    this.cancelWithStatus(constants_1.Status.CANCELLED, 'Cancelled by parent call');
+                });
+            }
+            if (options.flags & constants_1.Propagate.DEADLINE) {
+                this.trace('Propagating deadline from parent: ' +
+                    options.parentCall.getDeadline());
+                this.deadline = (0, deadline_1.minDeadline)(this.deadline, options.parentCall.getDeadline());
+            }
+        }
+        this.trace('Created');
+        this.runDeadlineTimer();
+    }
+    trace(text) {
+        logging.trace(constants_1.LogVerbosity.DEBUG, TRACER_NAME, '[' + this.callNumber + '] ' + text);
+    }
+    runDeadlineTimer() {
+        clearTimeout(this.deadlineTimer);
+        this.deadlineStartTime = new Date();
+        this.trace('Deadline: ' + (0, deadline_1.deadlineToString)(this.deadline));
+        const timeout = (0, deadline_1.getRelativeTimeout)(this.deadline);
+        if (timeout !== Infinity) {
+            this.trace('Deadline will be reached in ' + timeout + 'ms');
+            const handleDeadline = () => {
+                if (!this.deadlineStartTime) {
+                    this.cancelWithStatus(constants_1.Status.DEADLINE_EXCEEDED, 'Deadline exceeded');
+                    return;
+                }
+                const deadlineInfo = [];
+                const deadlineEndTime = new Date();
+                deadlineInfo.push(`Deadline exceeded after ${(0, deadline_1.formatDateDifference)(this.deadlineStartTime, deadlineEndTime)}`);
+                if (this.configReceivedTime) {
+                    if (this.configReceivedTime > this.deadlineStartTime) {
+                        deadlineInfo.push(`name resolution: ${(0, deadline_1.formatDateDifference)(this.deadlineStartTime, this.configReceivedTime)}`);
+                    }
+                    if (this.childStartTime) {
+                        if (this.childStartTime > this.configReceivedTime) {
+                            deadlineInfo.push(`metadata filters: ${(0, deadline_1.formatDateDifference)(this.configReceivedTime, this.childStartTime)}`);
+                        }
+                    }
+                    else {
+                        deadlineInfo.push('waiting for metadata filters');
+                    }
+                }
+                else {
+                    deadlineInfo.push('waiting for name resolution');
+                }
+                if (this.child) {
+                    deadlineInfo.push(...this.child.getDeadlineInfo());
+                }
+                this.cancelWithStatus(constants_1.Status.DEADLINE_EXCEEDED, deadlineInfo.join(','));
+            };
+            if (timeout <= 0) {
+                process.nextTick(handleDeadline);
+            }
+            else {
+                this.deadlineTimer = setTimeout(handleDeadline, timeout);
+            }
+        }
+    }
+    outputStatus(status) {
+        if (!this.ended) {
+            this.ended = true;
+            if (!this.filterStack) {
+                this.filterStack = this.filterStackFactory.createFilter();
+            }
+            clearTimeout(this.deadlineTimer);
+            const filteredStatus = this.filterStack.receiveTrailers(status);
+            this.trace('ended with status: code=' +
+                filteredStatus.code +
+                ' details="' +
+                filteredStatus.details +
+                '"');
+            this.statusWatchers.forEach(watcher => watcher(filteredStatus));
+            process.nextTick(() => {
+                var _a;
+                (_a = this.listener) === null || _a === void 0 ? void 0 : _a.onReceiveStatus(filteredStatus);
+            });
+        }
+    }
+    sendMessageOnChild(context, message) {
+        if (!this.child) {
+            throw new Error('sendMessageonChild called with child not populated');
+        }
+        const child = this.child;
+        this.writeFilterPending = true;
+        this.filterStack.sendMessage(Promise.resolve({ message: message, flags: context.flags })).then(filteredMessage => {
+            this.writeFilterPending = false;
+            child.sendMessageWithContext(context, filteredMessage.message);
+            if (this.pendingHalfClose) {
+                child.halfClose();
+            }
+        }, (status) => {
+            this.cancelWithStatus(status.code, status.details);
+        });
+    }
+    getConfig() {
+        if (this.ended) {
+            return;
+        }
+        if (!this.metadata || !this.listener) {
+            throw new Error('getConfig called before start');
+        }
+        const configResult = this.channel.getConfig(this.method, this.metadata);
+        if (configResult.type === 'NONE') {
+            this.channel.queueCallForConfig(this);
+            return;
+        }
+        else if (configResult.type === 'ERROR') {
+            if (this.metadata.getOptions().waitForReady) {
+                this.channel.queueCallForConfig(this);
+            }
+            else {
+                this.outputStatus(configResult.error);
+            }
+            return;
+        }
+        // configResult.type === 'SUCCESS'
+        this.configReceivedTime = new Date();
+        const config = configResult.config;
+        if (config.status !== constants_1.Status.OK) {
+            const { code, details } = (0, control_plane_status_1.restrictControlPlaneStatusCode)(config.status, 'Failed to route call to method ' + this.method);
+            this.outputStatus({
+                code: code,
+                details: details,
+                metadata: new metadata_1.Metadata(),
+            });
+            return;
+        }
+        if (config.methodConfig.timeout) {
+            const configDeadline = new Date();
+            configDeadline.setSeconds(configDeadline.getSeconds() + config.methodConfig.timeout.seconds);
+            configDeadline.setMilliseconds(configDeadline.getMilliseconds() +
+                config.methodConfig.timeout.nanos / 1000000);
+            this.deadline = (0, deadline_1.minDeadline)(this.deadline, configDeadline);
+            this.runDeadlineTimer();
+        }
+        this.filterStackFactory.push(config.dynamicFilterFactories);
+        this.filterStack = this.filterStackFactory.createFilter();
+        this.filterStack.sendMetadata(Promise.resolve(this.metadata)).then(filteredMetadata => {
+            this.child = this.channel.createRetryingCall(config, this.method, this.host, this.credentials, this.deadline);
+            this.trace('Created child [' + this.child.getCallNumber() + ']');
+            this.childStartTime = new Date();
+            this.child.start(filteredMetadata, {
+                onReceiveMetadata: metadata => {
+                    this.trace('Received metadata');
+                    this.listener.onReceiveMetadata(this.filterStack.receiveMetadata(metadata));
+                },
+                onReceiveMessage: message => {
+                    this.trace('Received message');
+                    this.readFilterPending = true;
+                    this.filterStack.receiveMessage(message).then(filteredMesssage => {
+                        this.trace('Finished filtering received message');
+                        this.readFilterPending = false;
+                        this.listener.onReceiveMessage(filteredMesssage);
+                        if (this.pendingChildStatus) {
+                            this.outputStatus(this.pendingChildStatus);
+                        }
+                    }, (status) => {
+                        this.cancelWithStatus(status.code, status.details);
+                    });
+                },
+                onReceiveStatus: status => {
+                    this.trace('Received status');
+                    if (this.readFilterPending) {
+                        this.pendingChildStatus = status;
+                    }
+                    else {
+                        this.outputStatus(status);
+                    }
+                },
+            });
+            if (this.readPending) {
+                this.child.startRead();
+            }
+            if (this.pendingMessage) {
+                this.sendMessageOnChild(this.pendingMessage.context, this.pendingMessage.message);
+            }
+            else if (this.pendingHalfClose) {
+                this.child.halfClose();
+            }
+        }, (status) => {
+            this.outputStatus(status);
+        });
+    }
+    reportResolverError(status) {
+        var _a;
+        if ((_a = this.metadata) === null || _a === void 0 ? void 0 : _a.getOptions().waitForReady) {
+            this.channel.queueCallForConfig(this);
+        }
+        else {
+            this.outputStatus(status);
+        }
+    }
+    cancelWithStatus(status, details) {
+        var _a;
+        this.trace('cancelWithStatus code: ' + status + ' details: "' + details + '"');
+        (_a = this.child) === null || _a === void 0 ? void 0 : _a.cancelWithStatus(status, details);
+        this.outputStatus({
+            code: status,
+            details: details,
+            metadata: new metadata_1.Metadata(),
+        });
+    }
+    getPeer() {
+        var _a, _b;
+        return (_b = (_a = this.child) === null || _a === void 0 ? void 0 : _a.getPeer()) !== null && _b !== void 0 ? _b : this.channel.getTarget();
+    }
+    start(metadata, listener) {
+        this.trace('start called');
+        this.metadata = metadata.clone();
+        this.listener = listener;
+        this.getConfig();
+    }
+    sendMessageWithContext(context, message) {
+        this.trace('write() called with message of length ' + message.length);
+        if (this.child) {
+            this.sendMessageOnChild(context, message);
+        }
+        else {
+            this.pendingMessage = { context, message };
+        }
+    }
+    startRead() {
+        this.trace('startRead called');
+        if (this.child) {
+            this.child.startRead();
+        }
+        else {
+            this.readPending = true;
+        }
+    }
+    halfClose() {
+        this.trace('halfClose called');
+        if (this.child && !this.writeFilterPending) {
+            this.child.halfClose();
+        }
+        else {
+            this.pendingHalfClose = true;
+        }
+    }
+    setCredentials(credentials) {
+        this.credentials = credentials;
+    }
+    addStatusWatcher(watcher) {
+        this.statusWatchers.push(watcher);
+    }
+    getCallNumber() {
+        return this.callNumber;
+    }
+    getAuthContext() {
+        if (this.child) {
+            return this.child.getAuthContext();
+        }
+        else {
+            return null;
+        }
+    }
+}
+exports.ResolvingCall = ResolvingCall;
+//# sourceMappingURL=resolving-call.js.map