Start WIP on telnet client support in telnet_bridge.js

This commit is contained in:
Bryan Ashby 2016-07-09 20:09:39 -06:00
parent edf2c99593
commit af54098f31
1 changed files with 68 additions and 0 deletions

View File

@ -7,6 +7,7 @@ const resetScreen = require('../core/ansi_term.js').resetScreen;
const async = require('async');
const _ = require('lodash');
const net = require('net');
const EventEmitter = require('events');
/*
Expected configuration block:
@ -32,6 +33,48 @@ exports.moduleInfo = {
author : 'Andrew Pamment',
};
class TelnetClientConnection extends EventEmitter {
constructor(client) {
super();
this.client = client;
}
restorePipe() {
this.client.term.output.unpipe(this.bridgeConnection);
this.client.term.output.resume();
}
connect(connectOpts) {
this.bridgeConnection = net.createConnection(connectOpts, () => {
this.emit('connected');
this.client.term.output.pipe(this.bridgeConnection);
});
this.bridgeConnection.on('data', data => {
return this.client.term.rawWrite(data);
});
this.bridgeConnection.once('end', () => {
this.restorePipe();
this.emit('end');
});
this.bridgeConnection.once('error', err => {
this.restorePipe();
this.emit('end', err);
});
}
disconnect() {
if(this.bridgeConnection) {
this.bridgeConnection.end();
}
}
}
function TelnetBridgeModule(options) {
MenuModule.call(this, options);
@ -64,6 +107,30 @@ function TelnetBridgeModule(options) {
self.client.term.write(resetScreen());
self.client.term.write(` Connecting to ${connectOpts.host}, please wait...\n`);
const telnetConnection = new TelnetClientConnection(self.client);
telnetConnection.on('connected', () => {
self.client.log.info(connectOpts, 'Telnet bridge connection established');
self.client.once('end', () => {
self.client.log.info('Connection ended. Terminating connection');
clientTerminated = true;
telnetConnection.disconnect();
});
});
telnetConnection.on('end', err => {
if(err) {
self.client.log.info(`Telnet bridge connection error: ${err.message}`);
}
callback(clientTerminated ? new Error('Client connection terminated') : null);
});
telnetConnection.connect(connectOpts);
/*
let bridgeConnection = net.createConnection(connectOpts, () => {
self.client.log.info(connectOpts, 'Telnet bridge connection established');
@ -97,6 +164,7 @@ function TelnetBridgeModule(options) {
restorePipe();
return callback(err);
});
*/
}
],
err => {