"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isResumableError = exports.isNetworkTimeoutError = exports.isSDAMUnrecoverableError = exports.isNodeShuttingDownError = exports.isRetryableReadError = exports.isRetryableWriteError = exports.needsRetryableWriteLabel = exports.MongoWriteConcernError = exports.MongoServerSelectionError = exports.MongoSystemError = exports.MongoMissingDependencyError = exports.MongoMissingCredentialsError = exports.MongoCompatibilityError = exports.MongoInvalidArgumentError = exports.MongoParseError = exports.MongoNetworkTimeoutError = exports.MongoNetworkError = exports.isNetworkErrorBeforeHandshake = exports.MongoTopologyClosedError = exports.MongoCursorExhaustedError = exports.MongoServerClosedError = exports.MongoCursorInUseError = exports.MongoUnexpectedServerResponseError = exports.MongoGridFSChunkError = exports.MongoGridFSStreamError = exports.MongoTailableCursorError = exports.MongoChangeStreamError = exports.MongoAWSError = exports.MongoKerberosError = exports.MongoExpiredSessionError = exports.MongoTransactionError = exports.MongoNotConnectedError = exports.MongoDecompressionError = exports.MongoBatchReExecutionError = exports.MongoRuntimeError = exports.MongoAPIError = exports.MongoDriverError = exports.MongoServerError = exports.MongoError = exports.MongoErrorLabel = exports.GET_MORE_RESUMABLE_CODES = exports.MONGODB_ERROR_CODES = exports.NODE_IS_RECOVERING_ERROR_MESSAGE = exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = void 0;
/** @internal */
const kErrorLabels = Symbol('errorLabels');
/**
* @internal
* The legacy error message from the server that indicates the node is not a writable primary
* https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
*/
exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = new RegExp('not master', 'i');
/**
* @internal
* The legacy error message from the server that indicates the node is not a primary or secondary
* https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
*/
exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = new RegExp('not master or secondary', 'i');
/**
* @internal
* The error message from the server that indicates the node is recovering
* https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
*/
exports.NODE_IS_RECOVERING_ERROR_MESSAGE = new RegExp('node is recovering', 'i');
/** @internal MongoDB Error Codes */
exports.MONGODB_ERROR_CODES = Object.freeze({
HostUnreachable: 6,
HostNotFound: 7,
NetworkTimeout: 89,
ShutdownInProgress: 91,
PrimarySteppedDown: 189,
ExceededTimeLimit: 262,
SocketException: 9001,
NotWritablePrimary: 10107,
InterruptedAtShutdown: 11600,
InterruptedDueToReplStateChange: 11602,
NotPrimaryNoSecondaryOk: 13435,
NotPrimaryOrSecondary: 13436,
StaleShardVersion: 63,
StaleEpoch: 150,
StaleConfig: 13388,
RetryChangeStream: 234,
FailedToSatisfyReadPreference: 133,
CursorNotFound: 43,
LegacyNotPrimary: 10058,
WriteConcernFailed: 64,
NamespaceNotFound: 26,
IllegalOperation: 20,
MaxTimeMSExpired: 50,
UnknownReplWriteConcern: 79,
UnsatisfiableWriteConcern: 100
});
// From spec@https://github.com/mongodb/specifications/blob/f93d78191f3db2898a59013a7ed5650352ef6da8/source/change-streams/change-streams.rst#resumable-error
exports.GET_MORE_RESUMABLE_CODES = new Set([
exports.MONGODB_ERROR_CODES.HostUnreachable,
exports.MONGODB_ERROR_CODES.HostNotFound,
exports.MONGODB_ERROR_CODES.NetworkTimeout,
exports.MONGODB_ERROR_CODES.ShutdownInProgress,
exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
exports.MONGODB_ERROR_CODES.ExceededTimeLimit,
exports.MONGODB_ERROR_CODES.SocketException,
exports.MONGODB_ERROR_CODES.NotWritablePrimary,
exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary,
exports.MONGODB_ERROR_CODES.StaleShardVersion,
exports.MONGODB_ERROR_CODES.StaleEpoch,
exports.MONGODB_ERROR_CODES.StaleConfig,
exports.MONGODB_ERROR_CODES.RetryChangeStream,
exports.MONGODB_ERROR_CODES.FailedToSatisfyReadPreference,
exports.MONGODB_ERROR_CODES.CursorNotFound
]);
/** @public */
exports.MongoErrorLabel = Object.freeze({
RetryableWriteError: 'RetryableWriteError',
TransientTransactionError: 'TransientTransactionError',
UnknownTransactionCommitResult: 'UnknownTransactionCommitResult',
ResumableChangeStreamError: 'ResumableChangeStreamError',
HandshakeError: 'HandshakeError',
ResetPool: 'ResetPool'
});
/**
* @public
* @category Error
*
* @privateRemarks
* CSFLE has a dependency on this error, it uses the constructor with a string argument
*/
class MongoError extends Error {
constructor(message) {
if (message instanceof Error) {
super(message.message);
this.cause = message;
}
else {
super(message);
}
this[kErrorLabels] = new Set();
}
get name() {
return 'MongoError';
}
/** Legacy name for server error responses */
get errmsg() {
return this.message;
}
/**
* Checks the error to see if it has an error label
*
* @param label - The error label to check for
* @returns returns true if the error has the provided error label
*/
hasErrorLabel(label) {
return this[kErrorLabels].has(label);
}
addErrorLabel(label) {
this[kErrorLabels].add(label);
}
get errorLabels() {
return Array.from(this[kErrorLabels]);
}
}
exports.MongoError = MongoError;
/**
* An error coming from the mongo server
*
* @public
* @category Error
*/
class MongoServerError extends MongoError {
constructor(message) {
super(message.message || message.errmsg || message.$err || 'n/a');
if (message.errorLabels) {
this[kErrorLabels] = new Set(message.errorLabels);
}
for (const name in message) {
if (name !== 'errorLabels' && name !== 'errmsg' && name !== 'message')
this[name] = message[name];
}
}
get name() {
return 'MongoServerError';
}
}
exports.MongoServerError = MongoServerError;
/**
* An error generated by the driver
*
* @public
* @category Error
*/
class MongoDriverError extends MongoError {
constructor(message) {
super(message);
}
get name() {
return 'MongoDriverError';
}
}
exports.MongoDriverError = MongoDriverError;
/**
* An error generated when the driver API is used incorrectly
*
* @privateRemarks
* Should **never** be directly instantiated
*
* @public
* @category Error
*/
class MongoAPIError extends MongoDriverError {
constructor(message) {
super(message);
}
get name() {
return 'MongoAPIError';
}
}
exports.MongoAPIError = MongoAPIError;
/**
* An error generated when the driver encounters unexpected input
* or reaches an unexpected/invalid internal state
*
* @privateRemarks
* Should **never** be directly instantiated.
*
* @public
* @category Error
*/
class MongoRuntimeError extends MongoDriverError {
constructor(message) {
super(message);
}
get name() {
return 'MongoRuntimeError';
}
}
exports.MongoRuntimeError = MongoRuntimeError;
/**
* An error generated when a batch command is re-executed after one of the commands in the batch
* has failed
*
* @public
* @category Error
*/
class MongoBatchReExecutionError extends MongoAPIError {
constructor(message = 'This batch has already been executed, create new batch to execute') {
super(message);
}
get name() {
return 'MongoBatchReExecutionError';
}
}
exports.MongoBatchReExecutionError = MongoBatchReExecutionError;
/**
* An error generated when the driver fails to decompress
* data received from the server.
*
* @public
* @category Error
*/
class MongoDecompressionError extends MongoRuntimeError {
constructor(message) {
super(message);
}
get name() {
return 'MongoDecompressionError';
}
}
exports.MongoDecompressionError = MongoDecompressionError;
/**
* An error thrown when the user attempts to operate on a database or collection through a MongoClient
* that has not yet successfully called the "connect" method
*
* @public
* @category Error
*/
class MongoNotConnectedError extends MongoAPIError {
constructor(message) {
super(message);
}
get name() {
return 'MongoNotConnectedError';
}
}
exports.MongoNotConnectedError = MongoNotConnectedError;
/**
* An error generated when the user makes a mistake in the usage of transactions.
* (e.g. attempting to commit a transaction with a readPreference other than primary)
*
* @public
* @category Error
*/
class MongoTransactionError extends MongoAPIError {
constructor(message) {
super(message);
}
get name() {
return 'MongoTransactionError';
}
}
exports.MongoTransactionError = MongoTransactionError;
/**
* An error generated when the user attempts to operate
* on a session that has expired or has been closed.
*
* @public
* @category Error
*/
class MongoExpiredSessionError extends MongoAPIError {
constructor(message = 'Cannot use a session that has ended') {
super(message);
}
get name() {
return 'MongoExpiredSessionError';
}
}
exports.MongoExpiredSessionError = MongoExpiredSessionError;
/**
* A error generated when the user attempts to authenticate
* via Kerberos, but fails to connect to the Kerberos client.
*
* @public
* @category Error
*/
class MongoKerberosError extends MongoRuntimeError {
constructor(message) {
super(message);
}
get name() {
return 'MongoKerberosError';
}
}
exports.MongoKerberosError = MongoKerberosError;
/**
* A error generated when the user attempts to authenticate
* via AWS, but fails
*
* @public
* @category Error
*/
class MongoAWSError extends MongoRuntimeError {
constructor(message) {
super(message);
}
get name() {
return 'MongoAWSError';
}
}
exports.MongoAWSError = MongoAWSError;
/**
* An error generated when a ChangeStream operation fails to execute.
*
* @public
* @category Error
*/
class MongoChangeStreamError extends MongoRuntimeError {
constructor(message) {
super(message);
}
get name() {
return 'MongoChangeStreamError';
}
}
exports.MongoChangeStreamError = MongoChangeStreamError;
/**
* An error thrown when the user calls a function or method not supported on a tailable cursor
*
* @public
* @category Error
*/
class MongoTailableCursorError extends MongoAPIError {
constructor(message = 'Tailable cursor does not support this operation') {
super(message);
}
get name() {
return 'MongoTailableCursorError';
}
}
exports.MongoTailableCursorError = MongoTailableCursorError;
/** An error generated when a GridFSStream operation fails to execute.
*
* @public
* @category Error
*/
class MongoGridFSStreamError extends MongoRuntimeError {
constructor(message) {
super(message);
}
get name() {
return 'MongoGridFSStreamError';
}
}
exports.MongoGridFSStreamError = MongoGridFSStreamError;
/**
* An error generated when a malformed or invalid chunk is
* encountered when reading from a GridFSStream.
*
* @public
* @category Error
*/
class MongoGridFSChunkError extends MongoRuntimeError {
constructor(message) {
super(message);
}
get name() {
return 'MongoGridFSChunkError';
}
}
exports.MongoGridFSChunkError = MongoGridFSChunkError;
/**
* An error generated when a **parsable** unexpected response comes from the server.
* This is generally an error where the driver in a state expecting a certain behavior to occur in
* the next message from MongoDB but it receives something else.
* This error **does not** represent an issue with wire message formatting.
*
* #### Example
* When an operation fails, it is the driver's job to retry it. It must perform serverSelection
* again to make sure that it attempts the operation against a server in a good state. If server
* selection returns a server that does not support retryable operations, this error is used.
* This scenario is unlikely as retryable support would also have been determined on the first attempt
* but it is possible the state change could report a selectable server that does not support retries.
*
* @public
* @category Error
*/
class MongoUnexpectedServerResponseError extends MongoRuntimeError {
constructor(message) {
super(message);
}
get name() {
return 'MongoUnexpectedServerResponseError';
}
}
exports.MongoUnexpectedServerResponseError = MongoUnexpectedServerResponseError;
/**
* An error thrown when the user attempts to add options to a cursor that has already been
* initialized
*
* @public
* @category Error
*/
class MongoCursorInUseError extends MongoAPIError {
constructor(message = 'Cursor is already initialized') {
super(message);
}
get name() {
return 'MongoCursorInUseError';
}
}
exports.MongoCursorInUseError = MongoCursorInUseError;
/**
* An error generated when an attempt is made to operate
* on a closed/closing server.
*
* @public
* @category Error
*/
class MongoServerClosedError extends MongoAPIError {
constructor(message = 'Server is closed') {
super(message);
}
get name() {
return 'MongoServerClosedError';
}
}
exports.MongoServerClosedError = MongoServerClosedError;
/**
* An error thrown when an attempt is made to read from a cursor that has been exhausted
*
* @public
* @category Error
*/
class MongoCursorExhaustedError extends MongoAPIError {
constructor(message) {
super(message || 'Cursor is exhausted');
}
get name() {
return 'MongoCursorExhaustedError';
}
}
exports.MongoCursorExhaustedError = MongoCursorExhaustedError;
/**
* An error generated when an attempt is made to operate on a
* dropped, or otherwise unavailable, database.
*
* @public
* @category Error
*/
class MongoTopologyClosedError extends MongoAPIError {
constructor(message = 'Topology is closed') {
super(message);
}
get name() {
return 'MongoTopologyClosedError';
}
}
exports.MongoTopologyClosedError = MongoTopologyClosedError;
/** @internal */
const kBeforeHandshake = Symbol('beforeHandshake');
function isNetworkErrorBeforeHandshake(err) {
return err[kBeforeHandshake] === true;
}
exports.isNetworkErrorBeforeHandshake = isNetworkErrorBeforeHandshake;
/**
* An error indicating an issue with the network, including TCP errors and timeouts.
* @public
* @category Error
*/
class MongoNetworkError extends MongoError {
constructor(message, options) {
super(message);
if (options && typeof options.beforeHandshake === 'boolean') {
this[kBeforeHandshake] = options.beforeHandshake;
}
}
get name() {
return 'MongoNetworkError';
}
}
exports.MongoNetworkError = MongoNetworkError;
/**
* An error indicating a network timeout occurred
* @public
* @category Error
*
* @privateRemarks
* CSFLE has a dependency on this error with an instanceof check
*/
class MongoNetworkTimeoutError extends MongoNetworkError {
constructor(message, options) {
super(message, options);
}
get name() {
return 'MongoNetworkTimeoutError';
}
}
exports.MongoNetworkTimeoutError = MongoNetworkTimeoutError;
/**
* An error used when attempting to parse a value (like a connection string)
* @public
* @category Error
*/
class MongoParseError extends MongoDriverError {
constructor(message) {
super(message);
}
get name() {
return 'MongoParseError';
}
}
exports.MongoParseError = MongoParseError;
/**
* An error generated when the user supplies malformed or unexpected arguments
* or when a required argument or field is not provided.
*
*
* @public
* @category Error
*/
class MongoInvalidArgumentError extends MongoAPIError {
constructor(message) {
super(message);
}
get name() {
return 'MongoInvalidArgumentError';
}
}
exports.MongoInvalidArgumentError = MongoInvalidArgumentError;
/**
* An error generated when a feature that is not enabled or allowed for the current server
* configuration is used
*
*
* @public
* @category Error
*/
class MongoCompatibilityError extends MongoAPIError {
constructor(message) {
super(message);
}
get name() {
return 'MongoCompatibilityError';
}
}
exports.MongoCompatibilityError = MongoCompatibilityError;
/**
* An error generated when the user fails to provide authentication credentials before attempting
* to connect to a mongo server instance.
*
*
* @public
* @category Error
*/
class MongoMissingCredentialsError extends MongoAPIError {
constructor(message) {
super(message);
}
get name() {
return 'MongoMissingCredentialsError';
}
}
exports.MongoMissingCredentialsError = MongoMissingCredentialsError;
/**
* An error generated when a required module or dependency is not present in the local environment
*
* @public
* @category Error
*/
class MongoMissingDependencyError extends MongoAPIError {
constructor(message) {
super(message);
}
get name() {
return 'MongoMissingDependencyError';
}
}
exports.MongoMissingDependencyError = MongoMissingDependencyError;
/**
* An error signifying a general system issue
* @public
* @category Error
*/
class MongoSystemError extends MongoError {
constructor(message, reason) {
var _a;
if (reason && reason.error) {
super(reason.error.message || reason.error);
}
else {
super(message);
}
if (reason) {
this.reason = reason;
}
this.code = (_a = reason.error) === null || _a === void 0 ? void 0 : _a.code;
}
get name() {
return 'MongoSystemError';
}
}
exports.MongoSystemError = MongoSystemError;
/**
* An error signifying a client-side server selection error
* @public
* @category Error
*/
class MongoServerSelectionError extends MongoSystemError {
constructor(message, reason) {
super(message, reason);
}
get name() {
return 'MongoServerSelectionError';
}
}
exports.MongoServerSelectionError = MongoServerSelectionError;
function makeWriteConcernResultObject(input) {
const output = Object.assign({}, input);
if (output.ok === 0) {
output.ok = 1;
delete output.errmsg;
delete output.code;
delete output.codeName;
}
return output;
}
/**
* An error thrown when the server reports a writeConcernError
* @public
* @category Error
*/
class MongoWriteConcernError extends MongoServerError {
constructor(message, result) {
if (result && Array.isArray(result.errorLabels)) {
message.errorLabels = result.errorLabels;
}
super(message);
this.errInfo = message.errInfo;
if (result != null) {
this.result = makeWriteConcernResultObject(result);
}
}
get name() {
return 'MongoWriteConcernError';
}
}
exports.MongoWriteConcernError = MongoWriteConcernError;
// https://github.com/mongodb/specifications/blob/master/source/retryable-reads/retryable-reads.rst#retryable-error
const RETRYABLE_READ_ERROR_CODES = new Set([
exports.MONGODB_ERROR_CODES.HostUnreachable,
exports.MONGODB_ERROR_CODES.HostNotFound,
exports.MONGODB_ERROR_CODES.NetworkTimeout,
exports.MONGODB_ERROR_CODES.ShutdownInProgress,
exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
exports.MONGODB_ERROR_CODES.SocketException,
exports.MONGODB_ERROR_CODES.NotWritablePrimary,
exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary
]);
// see: https://github.com/mongodb/specifications/blob/master/source/retryable-writes/retryable-writes.rst#terms
const RETRYABLE_WRITE_ERROR_CODES = new Set([
...RETRYABLE_READ_ERROR_CODES,
exports.MONGODB_ERROR_CODES.ExceededTimeLimit
]);
function needsRetryableWriteLabel(error, maxWireVersion) {
var _a, _b, _c;
// pre-4.4 server, then the driver adds an error label for every valid case
// execute operation will only inspect the label, code/message logic is handled here
if (error instanceof MongoNetworkError) {
return true;
}
if (error instanceof MongoError) {
if ((maxWireVersion >= 9 || error.hasErrorLabel(exports.MongoErrorLabel.RetryableWriteError)) &&
!error.hasErrorLabel(exports.MongoErrorLabel.HandshakeError)) {
// If we already have the error label no need to add it again. 4.4+ servers add the label.
// In the case where we have a handshake error, need to fall down to the logic checking
// the codes.
return false;
}
}
if (error instanceof MongoWriteConcernError) {
return RETRYABLE_WRITE_ERROR_CODES.has((_c = (_b = (_a = error.result) === null || _a === void 0 ? void 0 : _a.code) !== null && _b !== void 0 ? _b : error.code) !== null && _c !== void 0 ? _c : 0);
}
if (error instanceof MongoError && typeof error.code === 'number') {
return RETRYABLE_WRITE_ERROR_CODES.has(error.code);
}
const isNotWritablePrimaryError = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
if (isNotWritablePrimaryError) {
return true;
}
const isNodeIsRecoveringError = exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
if (isNodeIsRecoveringError) {
return true;
}
return false;
}
exports.needsRetryableWriteLabel = needsRetryableWriteLabel;
function isRetryableWriteError(error) {
return error.hasErrorLabel(exports.MongoErrorLabel.RetryableWriteError);
}
exports.isRetryableWriteError = isRetryableWriteError;
/** Determines whether an error is something the driver should attempt to retry */
function isRetryableReadError(error) {
const hasRetryableErrorCode = typeof error.code === 'number' ? RETRYABLE_READ_ERROR_CODES.has(error.code) : false;
if (hasRetryableErrorCode) {
return true;
}
if (error instanceof MongoNetworkError) {
return true;
}
const isNotWritablePrimaryError = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
if (isNotWritablePrimaryError) {
return true;
}
const isNodeIsRecoveringError = exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
if (isNodeIsRecoveringError) {
return true;
}
return false;
}
exports.isRetryableReadError = isRetryableReadError;
const SDAM_RECOVERING_CODES = new Set([
exports.MONGODB_ERROR_CODES.ShutdownInProgress,
exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary
]);
const SDAM_NOT_PRIMARY_CODES = new Set([
exports.MONGODB_ERROR_CODES.NotWritablePrimary,
exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
exports.MONGODB_ERROR_CODES.LegacyNotPrimary
]);
const SDAM_NODE_SHUTTING_DOWN_ERROR_CODES = new Set([
exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
exports.MONGODB_ERROR_CODES.ShutdownInProgress
]);
function isRecoveringError(err) {
if (typeof err.code === 'number') {
// If any error code exists, we ignore the error.message
return SDAM_RECOVERING_CODES.has(err.code);
}
return (exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE.test(err.message) ||
exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(err.message));
}
function isNotWritablePrimaryError(err) {
if (typeof err.code === 'number') {
// If any error code exists, we ignore the error.message
return SDAM_NOT_PRIMARY_CODES.has(err.code);
}
if (isRecoveringError(err)) {
return false;
}
return exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(err.message);
}
function isNodeShuttingDownError(err) {
return !!(typeof err.code === 'number' && SDAM_NODE_SHUTTING_DOWN_ERROR_CODES.has(err.code));
}
exports.isNodeShuttingDownError = isNodeShuttingDownError;
/**
* Determines whether SDAM can recover from a given error. If it cannot
* then the pool will be cleared, and server state will completely reset
* locally.
*
* @see https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-master-and-node-is-recovering
*/
function isSDAMUnrecoverableError(error) {
// NOTE: null check is here for a strictly pre-CMAP world, a timeout or
// close event are considered unrecoverable
if (error instanceof MongoParseError || error == null) {
return true;
}
return isRecoveringError(error) || isNotWritablePrimaryError(error);
}
exports.isSDAMUnrecoverableError = isSDAMUnrecoverableError;
function isNetworkTimeoutError(err) {
return !!(err instanceof MongoNetworkError && err.message.match(/timed out/));
}
exports.isNetworkTimeoutError = isNetworkTimeoutError;
function isResumableError(error, wireVersion) {
if (error == null || !(error instanceof MongoError)) {
return false;
}
if (error instanceof MongoNetworkError) {
return true;
}
if (wireVersion != null && wireVersion >= 9) {
// DRIVERS-1308: For 4.4 drivers running against 4.4 servers, drivers will add a special case to treat the CursorNotFound error code as resumable
if (error.code === exports.MONGODB_ERROR_CODES.CursorNotFound) {
return true;
}
return error.hasErrorLabel(exports.MongoErrorLabel.ResumableChangeStreamError);
}
if (typeof error.code === 'number') {
return exports.GET_MORE_RESUMABLE_CODES.has(error.code);
}
return false;
}
exports.isResumableError = isResumableError;
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