forked from open-telemetry/opentelemetry-js
/
CollectorExporterNodeBase.ts
87 lines (80 loc) · 2.72 KB
/
CollectorExporterNodeBase.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
/*
* Copyright The OpenTelemetry Authors
*
* 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
*
* https://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.
*/
import { diag } from '@opentelemetry/api';
import {
CollectorExporterNodeBase as CollectorExporterBaseMain,
collectorTypes,
CollectorExporterNodeConfigBase,
} from '@opentelemetry/exporter-collector';
import { ServiceClientType } from './types';
/**
* Collector Metric Exporter abstract base class
*/
export abstract class CollectorExporterNodeBase<
ExportItem,
ServiceRequest
> extends CollectorExporterBaseMain<ExportItem, ServiceRequest> {
private _send!: Function;
private _sendPromise(
objects: ExportItem[],
onSuccess: () => void,
onError: (error: collectorTypes.CollectorExporterError) => void
): void {
const promise = new Promise<void>((resolve, reject) => {
this._send(this, objects, resolve, reject);
})
.then(onSuccess)
.catch(onError);
this._sendingPromises.push(promise);
promise.finally(() => {
const index = this._sendingPromises.indexOf(promise);
this._sendingPromises.splice(index, 1);
});
}
onInit(config: CollectorExporterNodeConfigBase): void {
this._isShutdown = false;
// defer to next tick and lazy load to avoid loading protobufjs too early
// and making this impossible to be instrumented
setImmediate(() => {
// eslint-disable-next-line @typescript-eslint/no-var-requires
const { onInit } = require('./util');
onInit(this, config);
});
}
send(
objects: ExportItem[],
onSuccess: () => void,
onError: (error: collectorTypes.CollectorExporterError) => void
): void {
if (this._isShutdown) {
diag.debug('Shutdown already started. Cannot send objects');
return;
}
if (!this._send) {
// defer to next tick and lazy load to avoid loading protobufjs too early
// and making this impossible to be instrumented
setImmediate(() => {
// eslint-disable-next-line @typescript-eslint/no-var-requires
const { send } = require('./util');
this._send = send;
this._sendPromise(objects, onSuccess, onError);
});
} else {
this._sendPromise(objects, onSuccess, onError);
}
}
abstract getServiceClientType(): ServiceClientType;
}