Files
agentlens/packages/sdk-ts/src/transport.ts

77 lines
1.9 KiB
TypeScript

import type { TracePayload } from "./models.js";
export interface BatchTransportOptions {
apiKey: string;
endpoint: string;
maxBatchSize?: number;
flushInterval?: number;
}
export class BatchTransport {
private readonly apiKey: string;
private readonly endpoint: string;
private readonly maxBatchSize: number;
private readonly flushInterval: number;
private buffer: TracePayload[] = [];
private timer: ReturnType<typeof setInterval> | null = null;
constructor(options: BatchTransportOptions) {
this.apiKey = options.apiKey;
this.endpoint = options.endpoint.replace(/\/+$/, "");
this.maxBatchSize = options.maxBatchSize ?? 10;
this.flushInterval = options.flushInterval ?? 5_000;
this.timer = setInterval(() => {
void this._doFlush();
}, this.flushInterval);
}
add(trace: TracePayload): void {
const idx = this.buffer.findIndex((t) => t.id === trace.id);
if (idx !== -1) {
this.buffer[idx] = trace;
} else {
this.buffer.push(trace);
}
if (this.buffer.length >= this.maxBatchSize) {
void this._doFlush();
}
}
async flush(): Promise<void> {
await this._doFlush();
}
async shutdown(): Promise<void> {
if (this.timer !== null) {
clearInterval(this.timer);
this.timer = null;
}
await this._doFlush();
}
private async _doFlush(): Promise<void> {
if (this.buffer.length === 0) {
return;
}
const batch = this.buffer.splice(0, this.buffer.length);
try {
const response = await fetch(`${this.endpoint}/api/traces`, {
method: "POST",
headers: {
Authorization: `Bearer ${this.apiKey}`,
"Content-Type": "application/json",
},
body: JSON.stringify({ traces: batch }),
});
if (!response.ok) {
await response.text().catch(() => "");
}
} catch {
}
}
}