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'use strict';
const MongoNetworkError = require('./core').MongoNetworkError;
// From spec@https://github.com/mongodb/specifications/blob/f93d78191f3db2898a59013a7ed5650352ef6da8/source/change-streams/change-streams.rst#resumable-error
const GET_MORE_RESUMABLE_CODES = new Set([
6, // HostUnreachable
7, // HostNotFound
89, // NetworkTimeout
91, // ShutdownInProgress
189, // PrimarySteppedDown
262, // ExceededTimeLimit
9001, // SocketException
10107, // NotMaster
11600, // InterruptedAtShutdown
11602, // InterruptedDueToReplStateChange
13435, // NotMasterNoSlaveOk
13436, // NotMasterOrSecondary
63, // StaleShardVersion
150, // StaleEpoch
13388, // StaleConfig
234, // RetryChangeStream
133, // FailedToSatisfyReadPreference
43 // 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 === 43) {
return true;
}
return error.hasErrorLabel('ResumableChangeStreamError');
}
return GET_MORE_RESUMABLE_CODES.has(error.code);
}
module.exports = { GET_MORE_RESUMABLE_CODES, isResumableError };
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