Adding ErrorCode enum

lib/request.d.ts

@@ -1,5 +1,5 @@
 /// <reference types="node" />
-import { Message, MessageHeader, MessageQuestion, MessageRecourceRecord } from "./types";
+import { Message, MessageHeader, MessageQuestion, MessageRecourceRecord, ErrorCodes } from "./types";
 export declare enum QueryTypes {
     /**
      * IPv4 address
@@ -101,6 +101,7 @@ export declare class Request implements Message {
     additionals: RecourceRecord[];
     _packet: Buffer;
     constructor(packet: Buffer, sendCallback: (packet: Buffer) => any);
+    error(error: ErrorCodes): void;
     send(): void;
     serialize(truncate?: boolean, rcode?: 0 | 1 | 2 | 3 | 4 | 5): Buffer;
     private serializeHeader();

lib/request.js

@@ -160,6 +160,9 @@ class Request {
     get questions() {
         return this._questions.map(e => e);
     }
+    error(error) {
+        this._header.RCODE = error;
+    }
     send() {
         this.sendCallback(this.serialize());
     }

lib/types.d.ts

@@ -1,4 +1,12 @@
 /// <reference types="node" />
+export declare enum ErrorCodes {
+    NoError = 0,
+    FormatError = 1,
+    ServerFailure = 2,
+    NameError = 3,
+    NotImplemented = 4,
+    Refused = 5,
+}
 export interface MessageHeader {
     /**
      *  A 16 bit identifier assigned by the program that
@@ -61,7 +69,7 @@ export interface MessageHeader {
      * 5 Refused - Nameserver refuses request
      * 6-15 Reserved for future usage
      */
-    RCODE: 0 | 1 | 2 | 3 | 4 | 5;
+    RCODE: ErrorCodes;
     /**
      * Number of entries in question section
      * uint16

lib/types.js

@@ -1,3 +1,20 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+// 0 No error condition
+//    * 1 Format error - unable to interpret query
+//       * 2 Server failure - internal problem
+//          * 3 Name error - Only for authorative name server, domain name of query does not exist
+//             * 4 Not implemented - Request not supported
+//                * 5 Refused - Nameserver refuses request
+//    * 6 - 15 Reserved for future usage
+//       * 
+var ErrorCodes;
+(function (ErrorCodes) {
+    ErrorCodes[ErrorCodes["NoError"] = 0] = "NoError";
+    ErrorCodes[ErrorCodes["FormatError"] = 1] = "FormatError";
+    ErrorCodes[ErrorCodes["ServerFailure"] = 2] = "ServerFailure";
+    ErrorCodes[ErrorCodes["NameError"] = 3] = "NameError";
+    ErrorCodes[ErrorCodes["NotImplemented"] = 4] = "NotImplemented";
+    ErrorCodes[ErrorCodes["Refused"] = 5] = "Refused";
+})(ErrorCodes = exports.ErrorCodes || (exports.ErrorCodes = {}));
 //# sourceMappingURL=types.js.map

lib/types.js.map

@@ -1 +1 @@
-{"version":3,"file":"types.js","sourceRoot":"","sources":["../src/types.ts"],"names":[],"mappings":""}
+{"version":3,"file":"types.js","sourceRoot":"","sources":["../src/types.ts"],"names":[],"mappings":";;AACA,uBAAuB;AACvB,kDAAkD;AAClD,8CAA8C;AAC9C,kGAAkG;AAClG,0DAA0D;AAC1D,0DAA0D;AAC1D,wCAAwC;AACxC,WAAW;AACX,IAAY,UAOX;AAPD,WAAY,UAAU;IACnB,iDAAW,CAAA;IACX,yDAAW,CAAA;IACX,6DAAa,CAAA;IACb,qDAAS,CAAA;IACT,+DAAc,CAAA;IACd,iDAAO,CAAA;AACV,CAAC,EAPW,UAAU,GAAV,kBAAU,KAAV,kBAAU,QAOrB"}

package.json

@@ -1,6 +1,6 @@
 {
    "name": "nodename-core",
-   "version": "0.1.3",
+   "version": "0.1.4",
    "main": "lib/listener.js",
    "types": "lib/listener.d.ts",
    "author": "Fabian Stamm <dev@fabianstamm.de>",

src/request.ts

@@ -1,5 +1,5 @@
 import { Parser } from "binary-parser"
-import { Message, MessageHeader, MessageQuestion, MessageRecourceRecord } from "./types"
+import { Message, MessageHeader, MessageQuestion, MessageRecourceRecord, ErrorCodes } from "./types"
 
 const MAX_LABEL_SIZE = 63;
 
@@ -193,6 +193,10 @@ export class Request implements Message {
       this._questions = parseQuestions(this._header.QDCOUNT, bodyData);
    }
 
+   error(error: ErrorCodes) {
+      this._header.RCODE = error;
+   }
+
    send() {
       this.sendCallback(this.serialize());
    }

src/types.ts

@@ -1,3 +1,21 @@
+
+// 0 No error condition
+//    * 1 Format error - unable to interpret query
+//       * 2 Server failure - internal problem
+//          * 3 Name error - Only for authorative name server, domain name of query does not exist
+//             * 4 Not implemented - Request not supported
+//                * 5 Refused - Nameserver refuses request
+//    * 6 - 15 Reserved for future usage
+//       * 
+export enum ErrorCodes {
+   NoError = 0,
+   FormatError,
+   ServerFailure,
+   NameError,
+   NotImplemented,
+   Refused
+}
+
 export interface MessageHeader {
    /**
     *  A 16 bit identifier assigned by the program that
@@ -69,7 +87,7 @@ export interface MessageHeader {
     * 5 Refused - Nameserver refuses request
     * 6-15 Reserved for future usage
     */
-   RCODE: 0 | 1 | 2 | 3 | 4 | 5;
+   RCODE: ErrorCodes;
 
    /**
     * Number of entries in question section