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feat(metrics): add comprehensive metrics collection system

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Implement real-time stats tracking including connection counts, request metrics, bandwidth usage, and route-specific monitoring. Adds MetricsCollector with observable streams for reactive monitoring integration.
This commit is contained in:
Juergen Kunz
2025-06-09 15:02:36 +00:00
parent 6726de277e
commit 9bf15ff756
11 changed files with 1508 additions and 11 deletions
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13
ts/proxies/smart-proxy/route-connection-handler.ts
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@ -23,6 +23,9 @@ export class RouteConnectionHandler {
// Cache for route contexts to avoid recreation
private routeContextCache: Map<string, IRouteContext> = new Map();
// RxJS Subject for new connections
public newConnectionSubject = new plugins.smartrx.rxjs.Subject<IConnectionRecord>();
constructor(
settings: ISmartProxyOptions,
@ -35,6 +38,7 @@ export class RouteConnectionHandler {
) {
this.settings = settings;
}
/**
* Create a route context object for port and host mapping functions
@ -110,6 +114,9 @@ export class RouteConnectionHandler {
// Connection was rejected due to limit - socket already destroyed by connection manager
return;
}
// Emit new connection event
this.newConnectionSubject.next(record);
const connectionId = record.id;
// Apply socket optimizations (apply to underlying socket)
@ -640,6 +647,9 @@ export class RouteConnectionHandler {
): void {
const connectionId = record.id;
const action = route.action as IRouteAction;
// Store the route config in the connection record for metrics and other uses
record.routeConfig = route;
// Check if this route uses NFTables for forwarding
if (action.forwardingEngine === 'nftables') {
@ -957,6 +967,9 @@ export class RouteConnectionHandler {
): Promise<void> {
const connectionId = record.id;
// Store the route config in the connection record for metrics and other uses
record.routeConfig = route;
if (!route.action.socketHandler) {
logger.log('error', 'socket-handler action missing socketHandler function', {
connectionId,