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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
type LogLevel = "INFO" | "WARN" | "ERROR" | "DEBUG";
type LogDomain = "server" | "upload" | "download" | "security" | "cleanup" | "request";
interface LogEntry {
timestamp: string;
level: LogLevel;
domain: LogDomain;
message: string;
meta?: Record<string, unknown>;
}
class Logger {
private logDir = "./logs";
private currentDate = "";
private logBuffer: string[] = [];
private flushInterval: number;
constructor() {
this.ensureLogDir();
// Flush logs every 5 seconds
this.flushInterval = setInterval(() => this.flush(), 5000);
}
private async ensureLogDir() {
try {
await Deno.mkdir(this.logDir, { recursive: true });
} catch (error) {
if (!(error instanceof Deno.errors.AlreadyExists)) {
console.error("Failed to create log directory:", error);
}
}
}
private getDateString(): string {
const now = new Date();
return now.toISOString().split('T')[0]; // YYYY-MM-DD
}
private formatLogEntry(entry: LogEntry): string {
const metaStr = entry.meta ? ` ${JSON.stringify(entry.meta)}` : "";
return `[${entry.timestamp}] [${entry.level}] [${entry.domain}] ${entry.message}${metaStr}\n`;
}
private async writeToFile(domain: LogDomain, content: string) {
const date = this.getDateString();
const filename = `${this.logDir}/${domain}-${date}.log`;
try {
await Deno.writeTextFile(filename, content, { append: true });
} catch (error) {
console.error(`Failed to write to log file ${filename}:`, error);
}
}
private log(level: LogLevel, domain: LogDomain, message: string, meta?: Record<string, unknown>) {
const timestamp = new Date().toISOString();
const entry: LogEntry = { timestamp, level, domain, message, meta };
// Write to console
const formatted = this.formatLogEntry(entry);
console.log(formatted.trim());
// Buffer for file writing
this.logBuffer.push(JSON.stringify({ ...entry, file: domain }));
}
private async flush() {
if (this.logBuffer.length === 0) return;
const entries = [...this.logBuffer];
this.logBuffer = [];
// Group entries by domain
const byDomain = new Map<LogDomain, LogEntry[]>();
for (const entryStr of entries) {
try {
const entry = JSON.parse(entryStr);
const domain = entry.file as LogDomain;
if (!byDomain.has(domain)) {
byDomain.set(domain, []);
}
byDomain.get(domain)!.push(entry);
} catch (error) {
console.error("Failed to parse log entry:", error);
}
}
// Write to files
for (const [domain, domainEntries] of byDomain) {
const content = domainEntries.map(e => this.formatLogEntry(e)).join('');
await this.writeToFile(domain, content);
}
}
// Server domain logs
server(level: LogLevel, message: string, meta?: Record<string, unknown>) {
this.log(level, "server", message, meta);
}
// Upload domain logs
upload(level: LogLevel, message: string, meta?: Record<string, unknown>) {
this.log(level, "upload", message, meta);
}
// Download domain logs
download(level: LogLevel, message: string, meta?: Record<string, unknown>) {
this.log(level, "download", message, meta);
}
// Security domain logs (rate limiting, IP tracking)
security(level: LogLevel, message: string, meta?: Record<string, unknown>) {
this.log(level, "security", message, meta);
}
// Cleanup domain logs
cleanup(level: LogLevel, message: string, meta?: Record<string, unknown>) {
this.log(level, "cleanup", message, meta);
}
// Request domain logs (HTTP requests)
request(level: LogLevel, message: string, meta?: Record<string, unknown>) {
this.log(level, "request", message, meta);
}
// Legacy methods for backward compatibility
info(message: string, meta?: Record<string, unknown>) {
this.log("INFO", "server", message, meta);
}
warn(message: string, meta?: Record<string, unknown>) {
this.log("WARN", "server", message, meta);
}
error(message: string, meta?: Record<string, unknown>) {
this.log("ERROR", "server", message, meta);
}
debug(message: string, meta?: Record<string, unknown>) {
this.log("DEBUG", "server", message, meta);
}
async shutdown() {
clearInterval(this.flushInterval);
await this.flush();
}
}
export const logger = new Logger();
// Ensure logs are flushed on exit
addEventListener("unload", () => {
logger.shutdown();
});
|
