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'use strict';
const MongoNetworkError = require('./core').MongoNetworkError;
const MONGODB_ERROR_CODES = require('./error_codes').MONGODB_ERROR_CODES;
// From spec@https://github.com/mongodb/specifications/blob/f93d78191f3db2898a59013a7ed5650352ef6da8/source/change-streams/change-streams.rst#resumable-error
const GET_MORE_RESUMABLE_CODES = new Set([
MONGODB_ERROR_CODES.HostUnreachable,
MONGODB_ERROR_CODES.HostNotFound,
MONGODB_ERROR_CODES.NetworkTimeout,
MONGODB_ERROR_CODES.ShutdownInProgress,
MONGODB_ERROR_CODES.PrimarySteppedDown,
MONGODB_ERROR_CODES.ExceededTimeLimit,
MONGODB_ERROR_CODES.SocketException,
MONGODB_ERROR_CODES.NotMaster,
MONGODB_ERROR_CODES.InterruptedAtShutdown,
MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
MONGODB_ERROR_CODES.NotMasterNoSlaveOk,
MONGODB_ERROR_CODES.NotMasterOrSecondary,
MONGODB_ERROR_CODES.StaleShardVersion,
MONGODB_ERROR_CODES.StaleEpoch,
MONGODB_ERROR_CODES.StaleConfig,
MONGODB_ERROR_CODES.RetryChangeStream,
MONGODB_ERROR_CODES.FailedToSatisfyReadPreference,
MONGODB_ERROR_CODES.CursorNotFound
]);
function isResumableError(error, wireVersion) {
if (error instanceof MongoNetworkError) {
return true;
}
if (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 === MONGODB_ERROR_CODES.CursorNotFound) {
return true;
}
return error.hasErrorLabel('ResumableChangeStreamError');
}
return GET_MORE_RESUMABLE_CODES.has(error.code);
}
module.exports = { GET_MORE_RESUMABLE_CODES, isResumableError, MONGODB_ERROR_CODES };