54 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2011 Timothy J Fontaine <tjfontaine@gmail.com>
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| //
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| // Permission is hereby granted, free of charge, to any person obtaining a copy
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| // of this software and associated documentation files (the 'Software'), to deal
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| // in the Software without restriction, including without limitation the rights
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| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| // copies of the Software, and to permit persons to whom the Software is
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| // furnished to do so, subject to the following conditions:
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| //
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| // The above copyright notice and this permission notice shall be included in
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| // all copies or substantial portions of the Software.
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| //
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| // THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| // THE SOFTWARE
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| 
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| 'use strict';
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| 
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| var NDP = require('native-dns-packet'),
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|     util = require('util');
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| 
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| var Packet = module.exports = function(socket) {
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|   NDP.call(this);
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|   this.address = undefined;
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|   this._socket = socket;
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| };
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| util.inherits(Packet, NDP);
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| 
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| Packet.prototype.send = function() {
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|   var buff, len, size;
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| 
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|   if (typeof(this.edns_version) !== 'undefined') {
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|     size = 4096;
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|   }
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| 
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|   this.payload = size = size || this._socket.base_size;
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| 
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|   buff = this._socket.buffer(size);
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|   len = Packet.write(buff, this);
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|   this._socket.send(len);
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| };
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| 
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| Packet.parse = function (msg, socket) {
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|   var p = NDP.parse(msg);
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|   p._socket = socket;
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|   return p;
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| };
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| 
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| Packet.write = NDP.write;
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