59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
var imports = require('soop').imports();
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var Net = imports.Net || require('net');
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var Binary = imports.Binary || require('binary');
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var buffertools = imports.buffertools || require('buffertools');
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function Peer(host, port, services) {
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if ("string" === typeof host) {
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if (host.indexOf(':') && !port) {
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var parts = host.split(':');
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host = parts[0];
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port = parts[1];
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}
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this.host = host;
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this.port = +port || 8333;
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} else if (host instanceof Peer) {
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this.host = host.host;
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this.port = host.port;
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} else if (Buffer.isBuffer(host)) {
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if (buffertools.compare(Peer.IPV6_IPV4_PADDING, host.slice(0, 12)) != 0) {
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throw new Error('IPV6 not supported yet! Cannot instantiate host.');
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}
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this.host = Array.prototype.slice.apply(host.slice(12)).join('.');
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this.port = +port || 8333;
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} else {
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throw new Error('Could not instantiate peer, invalid parameter type: ' +
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typeof host);
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}
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this.services = (services) ? services : null;
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this.lastSeen = 0;
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};
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Peer.IPV6_IPV4_PADDING = new Buffer([0,0,0,0,0,0,0,0,0,0,255,255]);
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Peer.prototype.createConnection = function () {
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var c = Net.createConnection(this.port, this.host);
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return c;
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};
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Peer.prototype.getHostAsBuffer = function () {
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return new Buffer(this.host.split('.'));
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};
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Peer.prototype.toString = function () {
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return this.host + ":" + this.port;
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};
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Peer.prototype.toBuffer = function () {
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var put = Binary.put();
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put.word32le(this.lastSeen);
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put.word64le(this.services);
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put.put(this.getHostAsBuffer());
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put.word16be(this.port);
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return put.buffer();
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};
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module.exports = require('soop')(Peer);
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