44 lines
940 B
JavaScript
44 lines
940 B
JavaScript
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var EventEmitter = require('events').EventEmitter;
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var util = require('util');
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function Command() {
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EventEmitter.call(this);
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this.next = null;
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}
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util.inherits(Command, EventEmitter);
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// slow. debug only
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Command.prototype.stateName = function() {
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var state = this.next;
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for (i in this)
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if (this[i] == state && i != 'next')
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return i;
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};
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Command.prototype.execute = function(packet, connection) {
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// TODO: hack
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if (!this.next) {
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this.next = this.start;
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}
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if (packet && packet.isError()) {
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var err = packet.asError();
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if (this.onResult)
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this.onResult(err);
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else
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this.emit('error', err);
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return true;
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}
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// TODO: don't return anything from execute, it's ugly and error-prone. Listen for 'end' event in connection
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this.next = this.next(packet, connection);
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if (this.next) {
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return false;
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} else {
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this.emit('end');
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return true;
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}
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};
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module.exports = Command;
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