naisys/dist/hub/hubLogBuffer.js

NAISYS - Autonomous AI agent runner with built-in context management and cost tracking

import { HubEvents, LOG_FLUSH_INTERVAL_MS, } from "@naisys/hub-protocol";
/**
 * Shared log write buffer for all agent runtimes on this NAISYS host.
 * Flushes buffered entries to the hub on a single timer, capping the
 * update rate regardless of how many agents are running.
 */
export function createHubLogBuffer(hubClient) {
    const buffer = [];
    let isFlushing = false;
    setInterval(() => void flush(), LOG_FLUSH_INTERVAL_MS);
    function pushEntry(entry, resolveAttachment) {
        buffer.push({ entry, resolveAttachment });
    }
    async function flush() {
        if (buffer.length === 0)
            return;
        if (isFlushing)
            return;
        isFlushing = true;
        const items = buffer.splice(0, buffer.length);
        try {
            // Resolve any pending attachment uploads.
            for (const item of items) {
                if (item.resolveAttachment) {
                    try {
                        item.entry.attachmentId = await item.resolveAttachment();
                    }
                    catch {
                        // Upload failed; log entry will be sent without attachment.
                    }
                }
            }
            const entries = items.map((item) => item.entry);
            hubClient.sendMessage(HubEvents.LOG_WRITE, { entries });
        }
        finally {
            isFlushing = false;
        }
    }
    return {
        pushEntry,
        flushFinal: flush,
    };
}
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