fix(NODE-3792): remove offensive language throughout the codebase

src/bulk/common.ts

@@ -940,7 +940,7 @@ export abstract class BulkOperationBase {
 
     const topology = getTopology(collection);
     options = options == null ? {} : options;
-    // TODO Bring from driver information in isMaster
+    // TODO Bring from driver information in hello
     // Get the namespace for the write operations
     const namespace = collection.s.namespace;
     // Used to mark operation as executed
@@ -950,16 +950,15 @@ export abstract class BulkOperationBase {
     const currentOp = undefined;
 
     // Set max byte size
-    const isMaster = topology.lastIsMaster();
+    const hello = topology.lastHello();
 
     // If we have autoEncryption on, batch-splitting must be done on 2mb chunks, but single documents
     // over 2mb are still allowed
     const usingAutoEncryption = !!(topology.s.options && topology.s.options.autoEncrypter);
     const maxBsonObjectSize =
-      isMaster && isMaster.maxBsonObjectSize ? isMaster.maxBsonObjectSize : 1024 * 1024 * 16;
+      hello && hello.maxBsonObjectSize ? hello.maxBsonObjectSize : 1024 * 1024 * 16;
     const maxBatchSizeBytes = usingAutoEncryption ? 1024 * 1024 * 2 : maxBsonObjectSize;
-    const maxWriteBatchSize =
-      isMaster && isMaster.maxWriteBatchSize ? isMaster.maxWriteBatchSize : 1000;
+    const maxWriteBatchSize = hello && hello.maxWriteBatchSize ? hello.maxWriteBatchSize : 1000;
 
     // Calculates the largest possible size of an Array key, represented as a BSON string
     // element. This calculation:

src/change_stream.ts

@@ -71,7 +71,7 @@ export interface ResumeOptions {
 }
 
 /**
- * Represents the logical starting point for a new or resuming {@link https://docs.mongodb.com/master/changeStreams/#change-stream-resume-token| Change Stream} on the server.
+ * Represents the logical starting point for a new or resuming {@link https://docs.mongodb.com/manual/changeStreams/#std-label-change-stream-resume| Change Stream} on the server.
  * @public
  */
 export type ResumeToken = unknown;
@@ -98,9 +98,9 @@ export interface ChangeStreamOptions extends AggregateOptions {
   fullDocument?: string;
   /** The maximum amount of time for the server to wait on new documents to satisfy a change stream query. */
   maxAwaitTimeMS?: number;
-  /** Allows you to start a changeStream after a specified event. See {@link https://docs.mongodb.com/master/changeStreams/#resumeafter-for-change-streams|ChangeStream documentation}. */
+  /** Allows you to start a changeStream after a specified event. See {@link https://docs.mongodb.com/manual/changeStreams/#resumeafter-for-change-streams|ChangeStream documentation}. */
   resumeAfter?: ResumeToken;
-  /** Similar to resumeAfter, but will allow you to start after an invalidated event. See {@link https://docs.mongodb.com/master/changeStreams/#startafter-for-change-streams|ChangeStream documentation}. */
+  /** Similar to resumeAfter, but will allow you to start after an invalidated event. See {@link https://docs.mongodb.com/manual/changeStreams/#startafter-for-change-streams|ChangeStream documentation}. */
   startAfter?: ResumeToken;
   /** Will start the changeStream after the specified operationTime. */
   startAtOperationTime?: OperationTime;

src/cmap/auth/mongo_credentials.ts

@@ -5,18 +5,18 @@ import { MongoAPIError, MongoMissingCredentialsError } from '../../error';
 import { AUTH_MECHS_AUTH_SRC_EXTERNAL, AuthMechanism } from './providers';
 
 // https://github.com./mongodb/specifications/blob/master/source/auth/auth.rst
-function getDefaultAuthMechanism(ismaster?: Document): AuthMechanism {
-  if (ismaster) {
-    // If ismaster contains saslSupportedMechs, use scram-sha-256
+function getDefaultAuthMechanism(hello?: Document): AuthMechanism {
+  if (hello) {
+    // If hello contains saslSupportedMechs, use scram-sha-256
     // if it is available, else scram-sha-1
-    if (Array.isArray(ismaster.saslSupportedMechs)) {
-      return ismaster.saslSupportedMechs.includes(AuthMechanism.MONGODB_SCRAM_SHA256)
+    if (Array.isArray(hello.saslSupportedMechs)) {
+      return hello.saslSupportedMechs.includes(AuthMechanism.MONGODB_SCRAM_SHA256)
         ? AuthMechanism.MONGODB_SCRAM_SHA256
         : AuthMechanism.MONGODB_SCRAM_SHA1;
     }
 
     // Fallback to legacy selection method. If wire version >= 3, use scram-sha-1
-    if (ismaster.maxWireVersion >= 3) {
+    if (hello.maxWireVersion >= 3) {
       return AuthMechanism.MONGODB_SCRAM_SHA1;
     }
   }
@@ -107,16 +107,16 @@ export class MongoCredentials {
    * If the authentication mechanism is set to "default", resolves the authMechanism
    * based on the server version and server supported sasl mechanisms.
    *
-   * @param ismaster - An ismaster response from the server
+   * @param hello - A hello response from the server
    */
-  resolveAuthMechanism(ismaster?: Document): MongoCredentials {
+  resolveAuthMechanism(hello?: Document): MongoCredentials {
     // If the mechanism is not "default", then it does not need to be resolved
     if (this.mechanism.match(/DEFAULT/i)) {
       return new MongoCredentials({
         username: this.username,
         password: this.password,
         source: this.source,
-        mechanism: getDefaultAuthMechanism(ismaster),
+        mechanism: getDefaultAuthMechanism(hello),
         mechanismProperties: this.mechanismProperties
       });
     }

src/cmap/command_monitoring_events.ts

@@ -1,4 +1,5 @@
 import type { Document, ObjectId } from '../bson';
+import { LEGACY_HELLO_COMMAND, LEGACY_HELLO_COMMAND_CAMEL_CASE } from '../constants';
 import { calculateDurationInMs, deepCopy } from '../utils';
 import { GetMore, KillCursor, Msg, WriteProtocolMessageType } from './commands';
 import type { Connection } from './connection';
@@ -161,7 +162,7 @@ const SENSITIVE_COMMANDS = new Set([
   'copydb'
 ]);
 
-const HELLO_COMMANDS = new Set(['hello', 'ismaster', 'isMaster']);
+const HELLO_COMMANDS = new Set(['hello', LEGACY_HELLO_COMMAND, LEGACY_HELLO_COMMAND_CAMEL_CASE]);
 
 // helper methods
 const extractCommandName = (commandDoc: Document) => Object.keys(commandDoc)[0];

src/cmap/connect.ts

@@ -6,6 +6,7 @@ import * as tls from 'tls';
 
 import type { Document } from '../bson';
 import { Int32 } from '../bson';
+import { LEGACY_HELLO_COMMAND } from '../constants';
 import {
   AnyError,
   MongoCompatibilityError,
@@ -70,29 +71,29 @@ export function connect(options: ConnectionOptions, callback: Callback<Connectio
   });
 }
 
-function checkSupportedServer(ismaster: Document, options: ConnectionOptions) {
+function checkSupportedServer(hello: Document, options: ConnectionOptions) {
   const serverVersionHighEnough =
-    ismaster &&
-    (typeof ismaster.maxWireVersion === 'number' || ismaster.maxWireVersion instanceof Int32) &&
-    ismaster.maxWireVersion >= MIN_SUPPORTED_WIRE_VERSION;
+    hello &&
+    (typeof hello.maxWireVersion === 'number' || hello.maxWireVersion instanceof Int32) &&
+    hello.maxWireVersion >= MIN_SUPPORTED_WIRE_VERSION;
   const serverVersionLowEnough =
-    ismaster &&
-    (typeof ismaster.minWireVersion === 'number' || ismaster.minWireVersion instanceof Int32) &&
-    ismaster.minWireVersion <= MAX_SUPPORTED_WIRE_VERSION;
+    hello &&
+    (typeof hello.minWireVersion === 'number' || hello.minWireVersion instanceof Int32) &&
+    hello.minWireVersion <= MAX_SUPPORTED_WIRE_VERSION;
 
   if (serverVersionHighEnough) {
     if (serverVersionLowEnough) {
       return null;
     }
 
     const message = `Server at ${options.hostAddress} reports minimum wire version ${JSON.stringify(
-      ismaster.minWireVersion
+      hello.minWireVersion
     )}, but this version of the Node.js Driver requires at most ${MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${MAX_SUPPORTED_SERVER_VERSION})`;
     return new MongoCompatibilityError(message);
   }
 
   const message = `Server at ${options.hostAddress} reports maximum wire version ${
-    JSON.stringify(ismaster.maxWireVersion) ?? 0
+    JSON.stringify(hello.maxWireVersion) ?? 0
   }, but this version of the Node.js Driver requires at least ${MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${MIN_SUPPORTED_SERVER_VERSION})`;
   return new MongoCompatibilityError(message);
 }
@@ -146,9 +147,9 @@ function performInitialHandshake(
         return;
       }
 
-      if ('isWritablePrimary' in response) {
-        // Provide pre-hello-style response document.
-        response.ismaster = response.isWritablePrimary;
+      if (!('isWritablePrimary' in response)) {
+        // Provide hello-style response document.
+        response.isWritablePrimary = response[LEGACY_HELLO_COMMAND];
       }
 
       if (response.helloOk) {
@@ -179,8 +180,8 @@ function performInitialHandshake(
       // NOTE: This is metadata attached to the connection while porting away from
       //       handshake being done in the `Server` class. Likely, it should be
       //       relocated, or at very least restructured.
-      conn.ismaster = response;
-      conn.lastIsMasterMS = new Date().getTime() - start;
+      conn.hello = response;
+      conn.lastHelloMS = new Date().getTime() - start;
 
       if (!response.arbiterOnly && credentials) {
         // store the response on auth context
@@ -209,6 +210,9 @@ function performInitialHandshake(
 }
 
 export interface HandshakeDocument extends Document {
+  /**
+   * @deprecated Use hello instead
+   */
   ismaster?: boolean;
   hello?: boolean;
   helloOk?: boolean;
@@ -224,7 +228,7 @@ function prepareHandshakeDocument(authContext: AuthContext, callback: Callback<H
   const { serverApi } = authContext.connection;
 
   const handshakeDoc: HandshakeDocument = {
-    [serverApi?.version ? 'hello' : 'ismaster']: true,
+    [serverApi?.version ? 'hello' : LEGACY_HELLO_COMMAND]: true,
     helloOk: true,
     client: options.metadata || makeClientMetadata(options),
     compression: compressors,

src/cmap/connection.ts

@@ -70,7 +70,7 @@ const kClusterTime = Symbol('clusterTime');
 /** @internal */
 const kDescription = Symbol('description');
 /** @internal */
-const kIsMaster = Symbol('ismaster');
+const kHello = Symbol('hello');
 /** @internal */
 const kAutoEncrypter = Symbol('autoEncrypter');
 /** @internal */
@@ -185,7 +185,7 @@ export class Connection extends TypedEventEmitter<ConnectionEvents> {
   monitorCommands: boolean;
   closed: boolean;
   destroyed: boolean;
-  lastIsMasterMS?: number;
+  lastHelloMS?: number;
   serverApi?: ServerApi;
   helloOk?: boolean;
   /** @internal */
@@ -201,7 +201,7 @@ export class Connection extends TypedEventEmitter<ConnectionEvents> {
   /** @internal */
   [kStream]: Stream;
   /** @internal */
-  [kIsMaster]: Document;
+  [kHello]: Document;
   /** @internal */
   [kClusterTime]: Document;
 
@@ -240,7 +240,7 @@ export class Connection extends TypedEventEmitter<ConnectionEvents> {
     this[kQueue] = new Map();
     this[kMessageStream] = new MessageStream({
       ...options,
-      maxBsonMessageSize: this.ismaster?.maxBsonMessageSize
+      maxBsonMessageSize: this.hello?.maxBsonMessageSize
     });
     this[kMessageStream].on('message', messageHandler(this));
     this[kStream] = stream;
@@ -261,21 +261,21 @@ export class Connection extends TypedEventEmitter<ConnectionEvents> {
     return this[kDescription];
   }
 
-  get ismaster(): Document {
-    return this[kIsMaster];
+  get hello(): Document {
+    return this[kHello];
   }
 
-  // the `connect` method stores the result of the handshake ismaster on the connection
-  set ismaster(response: Document) {
+  // the `connect` method stores the result of the handshake hello on the connection
+  set hello(response: Document) {
     this[kDescription].receiveResponse(response);
     this[kDescription] = Object.freeze(this[kDescription]);
 
     // TODO: remove this, and only use the `StreamDescription` in the future
-    this[kIsMaster] = response;
+    this[kHello] = response;
   }
 
   get serviceId(): ObjectId | undefined {
-    return this.ismaster?.serviceId;
+    return this.hello?.serviceId;
   }
 
   get loadBalanced(): boolean {
@@ -321,7 +321,7 @@ export class Connection extends TypedEventEmitter<ConnectionEvents> {
       if (issue.isTimeout) {
         op.cb(
           new MongoNetworkTimeoutError(`connection ${this.id} to ${this.address} timed out`, {
-            beforeHandshake: this.ismaster == null
+            beforeHandshake: this.hello == null
           })
         );
       } else if (issue.isClose) {

src/cmap/wire_protocol/compression.ts

@@ -1,5 +1,6 @@
 import * as zlib from 'zlib';
 
+import { LEGACY_HELLO_COMMAND } from '../../constants';
 import { PKG_VERSION, Snappy } from '../../deps';
 import { MongoDecompressionError, MongoInvalidArgumentError } from '../../error';
 import type { Callback } from '../../utils';
@@ -19,7 +20,7 @@ export type Compressor = typeof Compressor[CompressorName];
 export type CompressorName = keyof typeof Compressor;
 
 export const uncompressibleCommands = new Set([
-  'ismaster',
+  LEGACY_HELLO_COMMAND,
   'saslStart',
   'saslContinue',
   'getnonce',

src/constants.ts

@@ -120,3 +120,9 @@ export const MONGO_CLIENT_EVENTS = Object.freeze([
  * The legacy hello command that was deprecated in MongoDB 5.0.
  */
 export const LEGACY_HELLO_COMMAND = 'ismaster';
+
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+export const LEGACY_HELLO_COMMAND_CAMEL_CASE = 'isMaster';

src/operations/add_user.ts

@@ -75,7 +75,7 @@ export class AddUserOperation extends CommandOperation<Document> {
       roles = Array.isArray(options.roles) ? options.roles : [options.roles];
     }
 
-    const digestPassword = getTopology(db).lastIsMaster().maxWireVersion >= 7;
+    const digestPassword = getTopology(db).lastHello().maxWireVersion >= 7;
 
     let userPassword = password;
 

src/sdam/events.ts

@@ -123,8 +123,8 @@ export class TopologyClosedEvent {
 }
 
 /**
- * Emitted when the server monitor’s ismaster command is started - immediately before
- * the ismaster command is serialized into raw BSON and written to the socket.
+ * Emitted when the server monitor’s hello command is started - immediately before
+ * the hello command is serialized into raw BSON and written to the socket.
  *
  * @public
  * @category Event
@@ -140,7 +140,7 @@ export class ServerHeartbeatStartedEvent {
 }
 
 /**
- * Emitted when the server monitor’s ismaster succeeds.
+ * Emitted when the server monitor’s hello succeeds.
  * @public
  * @category Event
  */
@@ -161,7 +161,7 @@ export class ServerHeartbeatSucceededEvent {
 }
 
 /**
- * Emitted when the server monitor’s ismaster fails, either with an “ok: 0” or a socket exception.
+ * Emitted when the server monitor’s hello fails, either with an “ok: 0” or a socket exception.
  * @public
  * @category Event
  */