gfx.js

var CLI = require('clui'),
    clc = require('cli-color'),
    os  = require('os'),
    _ = require('lodash'),
    utils = require('./utils.js');

var Line        = CLI.Line,
    LineBuffer  = CLI.LineBuffer,
    Gauge       = CLI.Gauge,
    Sparkline   = CLI.Sparkline,
    drawTimeout,
    inSeries  = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    outSeries = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
    error     = clc.red.bold;

module.exports = {
    draw: function(inbound,outbound,old,msg,tType) {
        var typeMsg;
        switch(tType){
            case 'simpleproxy':
                typeMsg = '\nConnected for internal websites:\n\n'
                        + 'This tunnel allows live, screenshots, or selenium tests to '
                        + 'be run through your local network. For sites hosted on your '
                        + 'computer, use the domain "local" as opposed to "localhost":\n\n'
                        + '    e.g. http://local';
                break;
            case 'webserver':
                typeMsg = '\nConnected for local HTML files:\n\n'
                        + 'This tunnel allows access to files in a specified directory '
                        + 'and its subdirectory. By default, the server listens on the '
                        + 'first open port from 8080-8089, but you may specify a custom '
                        + 'port with the "--port" flag. To access the statically hosted '
                        + 'directory, use "local". To specify a locally hosted static '
                        + 'webpage for screenshots or otherwise, use local and the '
                        + 'filename of the webpage:\n\n'
                        + '    e.g. http://local\n\t'
                        + '    http://local/FILENAME';
                break;
            case 'tunnel':
                typeMsg = '\nConnected for proxy server:\n\n'
                        + 'This mode allows you to run live tests and snapshot tests '
                        + ' through a proxy, specified by IP and port. For locally hosted '
                        + ' sites, use the domain "local" as opposed to '
                        + ' "localhost":\n\n\te.g. http://local';
                break;
            case 'local':
                typeMsg = `
                        Tunnel running locally.
                    `;

                break;
            default:
                typeMsg = 'How did you get here...';
        }
        console.log('\u001b[2J'); // character code to clear the terminal screen
        console.log('\u001b[100;0H');

        var blankLine = new Line().fill().output();

        if((!_.isNull(old))&&(!_.isUndefined(old))){
            var oldLine = new Line()
                .padding(2)
                .column(old.msg,200,[clc.bold.red])
                .fill()
                .output();
        }
        blankLine.output();

        if((!_.isNull(msg))&&!_.isUndefined(msg)){
            var msgLine = new Line()
                .padding(2)
                .column(msg,200,[clc.bold.red])
                .fill()
                .output();
        }
        blankLine.output();

        var connection = new Line()
            .padding (2)
            .column(typeMsg)
            .fill()
            .output();
        blankLine.output();

        inSeries.push(inbound);
        inSeries.shift();

        var inLine = new Line()
            .padding(2)
            .column('Inbound Requests/Sec  ', 20, [clc.cyan])
            .column(Sparkline(inSeries, ' reqs/sec'), 80)
            .fill()
            .output();

        outSeries.push(outbound);
        outSeries.shift();

        var outLine = new Line()
            .padding(2)
            .column('Outbound Packets/Sec ', 20, [clc.cyan])
            .column(Sparkline(outSeries, ' packets/sec'), 80)
            .fill()
            .output();

        blankLine.output();

        var quitLine = new Line()
            .padding(2)
            .column('(to quit cbt_tunnels, press ctrl+c)',100,[clc.cyan])
            .fill()
            .output();

        blankLine.output();
    },
    warn: function(message){
        global.logger.error(error(message));
    },
    help: function(){
        global.logger.info(
            clc.bold("cbt_tunnels.js has three run modes:\n\n")
            + clc.underline("Internal Websites:\n")
            + "This directs requests from CBT browsers to your computer to test sites behind your firewall that would otherwise be inaccessible.\n"
            + "Basic usage:\n    'cbt_tunnels --username USERNAME --authkey AUTHKEY'\n\n"
            + clc.underline("Local HTML Files:\n")
            + "This allows you to test static sites that are on your computer but not currently hosted on a server.\n"
            + "Basic usage:\n    'cbt_tunnels --username USERNAME --authkey AUTHKEY --dir PATHTODIRECTORY (optional: --port OPENPORT)'\n\n"
            + clc.underline("Proxy Server:\n")
            + "This tunnel directs the connection through a proxy of your choice."
            + "Basic usage:\n    'cbt_tunnels --username USERNAME --authkey AUTHKEY --proxyIp PROXYIP --proxyPort PROXYPORT'\n\n"
            + clc.underline("Further flags:\n")
            + "    '--kill KILLFILENAME'  |  Appending this flag allows you specify the\n"
            + "                           |  name of a 'kill file' that if placed in\n"
            + "                           |  the current directory will cause the\n"
            + "                           |  program to gracefully shutdown.\n"
            + clc.underline("_                          |\n")
            + "    '--ready READYFILENAME'|  Specifiying this flag creates an\n"
            + "                           |  empty file at the path specified\n"
            + "                           |  when the cbt_tunnels is fully connected.\n"
            + clc.underline("_                          |\n")
            + "    '--verbose'            |  Specifiying this flag enables verbose\n"
            + "                           |  mode; you'll see most of the\n"
            + "                           |  traffic handling.\n"
            + clc.underline("_                          |\n")
            + "\nFor instructions on scripting, please see: https://github.com/crossbrowsertesting/cbt-tunnel-nodejs\n");
    }



}