update

ts/proxies/nftables-proxy/index.ts

@@ -1,5 +1,5 @@
 /**
  * NfTablesProxy implementation
  */
-// Core NfTablesProxy will be added later:
-// export { NfTablesProxy } from './nftables-proxy.js';
+export * from './nftables-proxy.js';
+export * from './models/index.js';

ts/proxies/nftables-proxy/models/errors.ts

@@ -0,0 +1,30 @@
+/**
+ * Custom error classes for better error handling
+ */
+export class NftBaseError extends Error {
+  constructor(message: string) {
+    super(message);
+    this.name = 'NftBaseError';
+  }
+}
+
+export class NftValidationError extends NftBaseError {
+  constructor(message: string) {
+    super(message);
+    this.name = 'NftValidationError';
+  }
+}
+
+export class NftExecutionError extends NftBaseError {
+  constructor(message: string) {
+    super(message);
+    this.name = 'NftExecutionError';
+  }
+}
+
+export class NftResourceError extends NftBaseError {
+  constructor(message: string) {
+    super(message);
+    this.name = 'NftResourceError';
+  }
+}

ts/proxies/nftables-proxy/models/index.ts

@@ -0,0 +1,5 @@
+/**
+ * Export all models
+ */
+export * from './interfaces.js';
+export * from './errors.js';

ts/proxies/nftables-proxy/models/interfaces.ts

@@ -0,0 +1,94 @@
+/**
+ * Interfaces for NfTablesProxy
+ */
+
+/**
+ * Represents a port range for forwarding
+ */
+export interface PortRange {
+  from: number;
+  to: number;
+}
+
+// Legacy interface name for backward compatibility
+export type IPortRange = PortRange;
+
+/**
+ * Settings for NfTablesProxy.
+ */
+export interface NfTableProxyOptions {
+  // Basic settings
+  fromPort: number | PortRange | Array<number | PortRange>; // Support single port, port range, or multiple ports/ranges
+  toPort: number | PortRange | Array<number | PortRange>;
+  toHost?: string; // Target host for proxying; defaults to 'localhost'
+  
+  // Advanced settings
+  preserveSourceIP?: boolean; // If true, the original source IP is preserved
+  deleteOnExit?: boolean;     // If true, clean up rules before process exit
+  protocol?: 'tcp' | 'udp' | 'all'; // Protocol to forward, defaults to 'tcp'
+  enableLogging?: boolean;    // Enable detailed logging
+  ipv6Support?: boolean;      // Enable IPv6 support
+  logFormat?: 'plain' | 'json'; // Format for logs
+  
+  // Source filtering
+  allowedSourceIPs?: string[]; // If provided, only these IPs are allowed
+  bannedSourceIPs?: string[];  // If provided, these IPs are blocked
+  useIPSets?: boolean;        // Use nftables sets for efficient IP management
+  
+  // Rule management
+  forceCleanSlate?: boolean;   // Clear all NfTablesProxy rules before starting
+  tableName?: string;          // Custom table name (defaults to 'portproxy')
+  
+  // Connection management
+  maxRetries?: number;        // Maximum number of retries for failed commands
+  retryDelayMs?: number;      // Delay between retries in milliseconds
+  useAdvancedNAT?: boolean;   // Use connection tracking for stateful NAT
+  
+  // Quality of Service
+  qos?: {
+    enabled: boolean;
+    maxRate?: string;         // e.g. "10mbps"
+    priority?: number;        // 1 (highest) to 10 (lowest)
+    markConnections?: boolean; // Mark connections for easier management
+  };
+  
+  // Integration with PortProxy/NetworkProxy
+  netProxyIntegration?: {
+    enabled: boolean;
+    redirectLocalhost?: boolean; // Redirect localhost traffic to NetworkProxy
+    sslTerminationPort?: number; // Port where NetworkProxy handles SSL termination
+  };
+}
+
+// Legacy interface name for backward compatibility
+export type INfTableProxySettings = NfTableProxyOptions;
+
+/**
+ * Interface for status reporting
+ */
+export interface NfTablesStatus {
+  active: boolean;
+  ruleCount: {
+    total: number;
+    added: number;
+    verified: number;
+  };
+  tablesConfigured: { family: string; tableName: string }[];
+  metrics: {
+    forwardedConnections?: number;
+    activeConnections?: number;
+    bytesForwarded?: {
+      sent: number;
+      received: number;
+    };
+  };
+  qosEnabled?: boolean;
+  ipSetsConfigured?: {
+    name: string;
+    elementCount: number;
+    type: string;
+  }[];
+}
+
+// Legacy interface name for backward compatibility
+export type INfTablesStatus = NfTablesStatus;