@google-cloud/pubsub
Version:
Cloud Pub/Sub Client Library for Node.js
92 lines • 3.2 kB
JavaScript
;
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.processAckErrorInfo = processAckErrorInfo;
exports.processAckRpcError = processAckRpcError;
const google_gax_1 = require("google-gax");
const subscriber_1 = require("./subscriber");
const permanentFailureInvalidAckId = 'PERMANENT_FAILURE_INVALID_ACK_ID';
const transientFailurePrefix = 'TRANSIENT_';
// If we get these as RPC errors, they will trigger a retry.
const exactlyOnceDeliveryTemporaryRetryErrors = [
google_gax_1.Status.DEADLINE_EXCEEDED,
google_gax_1.Status.RESOURCE_EXHAUSTED,
google_gax_1.Status.ABORTED,
google_gax_1.Status.INTERNAL,
google_gax_1.Status.UNAVAILABLE,
];
/**
* Processes the raw RPC information when sending a batch of acks
* to the Pub/Sub service.
*
* @private
*/
function processAckErrorInfo(rpcError) {
const ret = new Map();
if (!rpcError.errorInfoMetadata) {
return ret;
}
// The typing for errorInfoMetadata is currently incorrect.
const metadata = rpcError.errorInfoMetadata;
for (const ackId of Object.getOwnPropertyNames(metadata)) {
const code = metadata[ackId];
if (code === permanentFailureInvalidAckId) {
ret.set(ackId, {
transient: false,
response: subscriber_1.AckResponses.Invalid,
rawErrorCode: code,
});
}
else if (code.startsWith(transientFailurePrefix)) {
ret.set(ackId, {
transient: true,
rawErrorCode: code,
});
}
else {
ret.set(ackId, {
transient: false,
response: subscriber_1.AckResponses.Other,
rawErrorCode: code,
});
}
}
return ret;
}
/**
* For a completely failed RPC call, this will find the appropriate
* error information to return to an ack() caller.
*
* @private
*/
function processAckRpcError(grpcCode) {
const ackError = {
transient: exactlyOnceDeliveryTemporaryRetryErrors.includes(grpcCode),
grpcErrorCode: grpcCode,
};
switch (grpcCode) {
case google_gax_1.Status.PERMISSION_DENIED:
ackError.response = subscriber_1.AckResponses.PermissionDenied;
break;
case google_gax_1.Status.FAILED_PRECONDITION:
ackError.response = subscriber_1.AckResponses.FailedPrecondition;
break;
default:
ackError.response = subscriber_1.AckResponses.Other;
break;
}
return ackError;
}
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