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CH-J Server Manager
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CH-J / Server Manager
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core-20261011T184039Z-4148710795d0
Suimigh: Dáta gan taifeadadh · Tógtha:
1
"use strict";3
const fs = require("node:fs");5
const DEFAULT_LIMIT = 256 * 1024;6
const MAX_LIMIT = 1024 * 1024;8
function normalizeLimit(value) {9
const parsed = Number(value);10
if (!Number.isSafeInteger(parsed) || parsed <= 0) return DEFAULT_LIMIT;11
return Math.min(parsed, MAX_LIMIT);12
}14
class LogService {15
constructor(logPath) {16
this.logPath = String(logPath || "");17
if (!this.logPath) throw new Error("Log path is required.");18
}20
async readTail(payload = {}) {21
const maxBytes = normalizeLimit(payload.maxBytes);22
let handle;23
try {24
const stat = await fs.promises.stat(this.logPath);25
if (!stat.isFile()) throw new Error("Application log is not a file.");26
const length = Math.min(stat.size, maxBytes);27
const offset = Math.max(0, stat.size - length);28
const buffer = Buffer.alloc(length);29
handle = await fs.promises.open(this.logPath, "r");30
const { bytesRead } = await handle.read(buffer, 0, length, offset);31
let text = buffer.subarray(0, bytesRead).toString("utf8");32
if (offset > 0) {33
const firstNewline = text.indexOf("\n");34
text = firstNewline >= 0 ? text.slice(firstNewline + 1) : "";35
}36
return {37
text,38
truncated: offset > 0,39
size: stat.size,40
readAt: new Date().toISOString()41
};42
} catch (error) {43
if (error?.code === "ENOENT") {44
return { text: "", truncated: false, size: 0, readAt: new Date().toISOString() };45
}46
throw error;47
} finally {48
await handle?.close().catch(() => {});49
}50
}51
}53
module.exports = { DEFAULT_LIMIT, LogService, MAX_LIMIT, normalizeLimit };SHA-256
36887b34740b6272535cb482c08ce23086fc1e30716612d11ddb1be66bb1dc02CH-J Proprietary Software License 1.14 · Tá Foinse ar fáil faoin CH-J Proprietary Software License 1.14. Ní chuireann a infhaighteacht a athrú ar na téarmaí ceadúnais nó cearta breise a dheonú.
Cartlann SHA-256
5a8ea02d06a5643cf2330fe9f54b8767a06c1c59d36527705e536fa9dbca7614