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