mirror of
https://github.com/linuxserver/core.git
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132 lines
4.3 KiB
JavaScript
132 lines
4.3 KiB
JavaScript
/**
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* V8Debugger
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*
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* Copyright (c) 2010 Ajax.org B.V.
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*
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* The MIT License (MIT)
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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
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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define(function(require, exports, module) {
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"use strict";
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var net = require("net");
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var EventEmitter = require("events").EventEmitter;
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var NodeSocket = module.exports = function(ip, port) {
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EventEmitter.call(this);
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var _self = this;
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// connection status flag
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var connected = false;
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// the number of left connect retries
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// TODO: retrieve retry count from configuration
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var connectRetryCount = 30;
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// the amount of interval in msec between each retry
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// TODO: retrieve retry count from configuration
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var connectRetryInterval = 50; // 50 msec
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// note: total time for retry: 50msc * 30 = 1.5 sec
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function initStream() {
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_self.$stream = new net.Stream();
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_self.$stream.setEncoding("utf8");
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_self.$stream.addListener("data", function(data) {
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_self.$onData(data);
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});
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_self.$stream.addListener("end", onEnd);
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_self.$stream.addListener("error", onError);
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_self.$stream.addListener("connect", function () {
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// set connection flag to true (connected)
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connected = true;
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_self.emit("connect");
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});
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}
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// create the initial connection object
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initStream();
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function onEnd(errorInfo) {
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// set connection flag to false (not connected)
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connected = false;
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_self.$stream.end();
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_self.state = "initialized";
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_self.emit("end", errorInfo);
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}
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function onError() {
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// if currently not connected and there re-tries left to perform
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if (!connected && connectRetryCount > 0) {
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// decrease number of re-tries
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connectRetryCount--;
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// since the connection has failed the entire connection object is dead.
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// close the existing connection object
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_self.$stream.end();
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// create a new connection object.
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initStream();
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// sleep and afterward try to connect again
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setTimeout(function() {
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//console.log("retrying. " + ( connectRetryCount + 1 ) + " attempts left");
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_self.connect();
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}, connectRetryInterval);
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}
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else {
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// TODO: replace error message with exception instance.
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onEnd("Could not connect to the debugger");
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}
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}
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this.$ip = ip;
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this.$port = port;
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};
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require("./util").inherits(NodeSocket, EventEmitter);
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(function() {
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this.receivedText = "";
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this.close = function() {
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this.$stream.end();
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};
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this.clearBuffer = function() { };
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this.send = function(msg) {
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//console.log("> sent to socket:\n", msg)
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this.$stream.write(msg, "utf8");
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};
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this.setMinReceiveSize = function(minSize) { };
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this.$onData = function(data) {
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this.receivedText = data;
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//console.log("> received from socket:\n", this.receivedText, this.receivedText.length)
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this.emit("data", this.receivedText);
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};
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this.connect = function() {
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//console.log("Connecting to: " + this.$ip + ":" + this.$port);
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this.$stream.connect(this.$port, this.$ip);
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};
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}).call(NodeSocket.prototype);
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}); |