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181 lines
8.2 KiB
181 lines
8.2 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.executeOperation = void 0;
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const error_1 = require("../error");
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const read_preference_1 = require("../read_preference");
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const server_selection_1 = require("../sdam/server_selection");
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const utils_1 = require("../utils");
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const operation_1 = require("./operation");
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const MMAPv1_RETRY_WRITES_ERROR_CODE = error_1.MONGODB_ERROR_CODES.IllegalOperation;
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const MMAPv1_RETRY_WRITES_ERROR_MESSAGE = 'This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.';
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function executeOperation(client, operation, callback) {
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return (0, utils_1.maybeCallback)(() => executeOperationAsync(client, operation), callback);
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}
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exports.executeOperation = executeOperation;
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async function executeOperationAsync(client, operation) {
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if (!(operation instanceof operation_1.AbstractOperation)) {
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// TODO(NODE-3483): Extend MongoRuntimeError
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throw new error_1.MongoRuntimeError('This method requires a valid operation instance');
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}
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if (client.topology == null) {
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// Auto connect on operation
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if (client.s.hasBeenClosed) {
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throw new error_1.MongoNotConnectedError('Client must be connected before running operations');
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}
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client.s.options[Symbol.for('@@mdb.skipPingOnConnect')] = true;
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try {
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await client.connect();
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}
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finally {
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delete client.s.options[Symbol.for('@@mdb.skipPingOnConnect')];
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}
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}
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const { topology } = client;
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if (topology == null) {
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throw new error_1.MongoRuntimeError('client.connect did not create a topology but also did not throw');
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}
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if (topology.shouldCheckForSessionSupport()) {
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await topology.selectServerAsync(read_preference_1.ReadPreference.primaryPreferred, {});
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}
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// The driver sessions spec mandates that we implicitly create sessions for operations
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// that are not explicitly provided with a session.
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let session = operation.session;
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let owner;
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if (topology.hasSessionSupport()) {
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if (session == null) {
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owner = Symbol();
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session = client.startSession({ owner, explicit: false });
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}
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else if (session.hasEnded) {
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throw new error_1.MongoExpiredSessionError('Use of expired sessions is not permitted');
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}
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else if (session.snapshotEnabled && !topology.capabilities.supportsSnapshotReads) {
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throw new error_1.MongoCompatibilityError('Snapshot reads require MongoDB 5.0 or later');
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}
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}
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else {
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// no session support
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if (session && session.explicit) {
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// If the user passed an explicit session and we are still, after server selection,
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// trying to run against a topology that doesn't support sessions we error out.
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throw new error_1.MongoCompatibilityError('Current topology does not support sessions');
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}
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else if (session && !session.explicit) {
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// We do not have to worry about ending the session because the server session has not been acquired yet
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delete operation.options.session;
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operation.clearSession();
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session = undefined;
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}
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}
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const readPreference = operation.readPreference ?? read_preference_1.ReadPreference.primary;
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const inTransaction = !!session?.inTransaction();
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if (inTransaction && !readPreference.equals(read_preference_1.ReadPreference.primary)) {
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throw new error_1.MongoTransactionError(`Read preference in a transaction must be primary, not: ${readPreference.mode}`);
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}
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if (session?.isPinned && session.transaction.isCommitted && !operation.bypassPinningCheck) {
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session.unpin();
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}
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let selector;
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if (operation.hasAspect(operation_1.Aspect.MUST_SELECT_SAME_SERVER)) {
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// GetMore and KillCursor operations must always select the same server, but run through
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// server selection to potentially force monitor checks if the server is
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// in an unknown state.
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selector = (0, server_selection_1.sameServerSelector)(operation.server?.description);
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}
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else if (operation.trySecondaryWrite) {
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// If operation should try to write to secondary use the custom server selector
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// otherwise provide the read preference.
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selector = (0, server_selection_1.secondaryWritableServerSelector)(topology.commonWireVersion, readPreference);
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}
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else {
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selector = readPreference;
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}
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const server = await topology.selectServerAsync(selector, { session });
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if (session == null) {
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// No session also means it is not retryable, early exit
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return operation.executeAsync(server, undefined);
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}
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if (!operation.hasAspect(operation_1.Aspect.RETRYABLE)) {
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// non-retryable operation, early exit
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try {
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return await operation.executeAsync(server, session);
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}
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finally {
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if (session?.owner != null && session.owner === owner) {
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await session.endSession().catch(() => null);
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}
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}
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}
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const willRetryRead = topology.s.options.retryReads && !inTransaction && operation.canRetryRead;
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const willRetryWrite = topology.s.options.retryWrites &&
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!inTransaction &&
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(0, utils_1.supportsRetryableWrites)(server) &&
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operation.canRetryWrite;
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const hasReadAspect = operation.hasAspect(operation_1.Aspect.READ_OPERATION);
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const hasWriteAspect = operation.hasAspect(operation_1.Aspect.WRITE_OPERATION);
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const willRetry = (hasReadAspect && willRetryRead) || (hasWriteAspect && willRetryWrite);
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if (hasWriteAspect && willRetryWrite) {
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operation.options.willRetryWrite = true;
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session.incrementTransactionNumber();
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}
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try {
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return await operation.executeAsync(server, session);
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}
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catch (operationError) {
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if (willRetry && operationError instanceof error_1.MongoError) {
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return await retryOperation(operation, operationError, {
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session,
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topology,
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selector
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});
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}
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throw operationError;
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}
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finally {
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if (session?.owner != null && session.owner === owner) {
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await session.endSession().catch(() => null);
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}
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}
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}
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async function retryOperation(operation, originalError, { session, topology, selector }) {
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const isWriteOperation = operation.hasAspect(operation_1.Aspect.WRITE_OPERATION);
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const isReadOperation = operation.hasAspect(operation_1.Aspect.READ_OPERATION);
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if (isWriteOperation && originalError.code === MMAPv1_RETRY_WRITES_ERROR_CODE) {
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throw new error_1.MongoServerError({
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message: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
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errmsg: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
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originalError
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});
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}
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if (isWriteOperation && !(0, error_1.isRetryableWriteError)(originalError)) {
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throw originalError;
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}
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if (isReadOperation && !(0, error_1.isRetryableReadError)(originalError)) {
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throw originalError;
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}
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if (originalError instanceof error_1.MongoNetworkError &&
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session.isPinned &&
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!session.inTransaction() &&
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operation.hasAspect(operation_1.Aspect.CURSOR_CREATING)) {
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// If we have a cursor and the initial command fails with a network error,
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// we can retry it on another connection. So we need to check it back in, clear the
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// pool for the service id, and retry again.
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session.unpin({ force: true, forceClear: true });
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}
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// select a new server, and attempt to retry the operation
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const server = await topology.selectServerAsync(selector, { session });
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if (isWriteOperation && !(0, utils_1.supportsRetryableWrites)(server)) {
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throw new error_1.MongoUnexpectedServerResponseError('Selected server does not support retryable writes');
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}
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try {
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return await operation.executeAsync(server, session);
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}
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catch (retryError) {
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if (retryError instanceof error_1.MongoError &&
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retryError.hasErrorLabel(error_1.MongoErrorLabel.NoWritesPerformed)) {
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throw originalError;
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}
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throw retryError;
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}
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}
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//# sourceMappingURL=execute_operation.js.map
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