enigma-bbs/mods/abracadabra.js

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/* jslint node: true */
'use strict';
var MenuModule = require('../core/menu_module.js').MenuModule;
var DropFile = require('../core/dropfile.js').DropFile;
var door = require('../core/door.js');
var theme = require('../core/theme.js');
var ansi = require('../core/ansi_term.js');
var async = require('async');
var assert = require('assert');
var mkdirp = require('mkdirp');
var paths = require('path');
var _ = require('lodash');
// :TODO: This should really be a system module... needs a little work to allow for such
exports.getModule = AbracadabraModule;
var activeDoorNodeInstances = {};
var doorInstances = {}; // name -> { count : <instCount>, { <nodeNum> : <inst> } }
exports.moduleInfo = {
name : 'Abracadabra',
desc : 'External BBS Door Module',
author : 'NuSkooler',
};
/*
Example configuration for LORD under DOSEMU:
{
"config" : {
"name" : "LORD",
"dropFileType" : "DOOR",
"cmd" : "/usr/bin/dosemu",
"args" : [ "-quiet", "-f", "/etc/dosemu/dosemu.conf", "X:\\PW\\START.BAT {dropfile} {node}" ] ],
"nodeMax" : 32,
"tooManyArt" : "toomany-lord.ans"
}
}
:TODO: See Mystic & others for other arg options that we may need to support
*/
function AbracadabraModule(options) {
MenuModule.call(this, options);
var self = this;
this.config = options.menuConfig.config;
assert(_.isString(this.config.name, 'Config \'name\' is required'));
assert(_.isString(this.config.dropFileType, 'Config \'dropFileType\' is required'));
assert(_.isString(this.config.cmd, 'Config \'cmd\' is required'));
this.config.nodeMax = this.config.nodeMax || 0;
this.config.args = this.config.args || [];
/*
:TODO:
* disconnecting wile door is open leaves dosemu
* http://bbslink.net/sysop.php support
* Font support ala all other menus... or does this just work?
*/
this.initSequence = function() {
async.series(
[
function validateNodeCount(callback) {
if(self.config.nodeMax > 0 &&
_.isNumber(activeDoorNodeInstances[self.config.name]) &&
activeDoorNodeInstances[self.config.name] + 1 > self.config.nodeMax)
{
self.client.log.info(
{
name : self.config.name,
activeCount : activeDoorNodeInstances[self.config.name]
},
'Too many active instances');
if(_.isString(self.config.tooManyArt)) {
theme.displayThemeArt( { client : self.client, name : self.config.tooManyArt }, function displayed() {
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theme.displayThemedPause( { client : self.client }, function keyPressed() {
callback(new Error('Too many active instances'));
});
});
} else {
self.client.term.write('\nToo many active instances. Try again later.\n');
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theme.displayThemedPause( { client : self.client }, function keyPressed() {
callback(new Error('Too many active instances'));
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});
}
} else {
// :TODO: JS elegant way to do this?
if(activeDoorNodeInstances[self.config.name]) {
activeDoorNodeInstances[self.config.name] += 1;
} else {
activeDoorNodeInstances[self.config.name] = 1;
}
callback(null);
}
},
function generateDropfile(callback) {
self.dropFile = new DropFile(self.client, self.config.dropFileType);
var fullPath = self.dropFile.fullPath;
mkdirp(paths.dirname(fullPath), function dirCreated(err) {
if(err) {
callback(err);
} else {
self.dropFile.createFile(function created(err) {
callback(err);
});
}
});
}
],
function complete(err) {
if(err) {
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self.lastError = err;
self.prevMenu();
} else {
self.finishedLoading();
}
}
);
};
this.runDosEmuDoor = function() {
};
this.runDoor = function() {
var exeInfo = {
cmd : this.config.cmd,
args : this.config.args,
};
// :TODO: this system should probably be generic
for(var i = 0; i < exeInfo.args.length; ++i) {
exeInfo.args[i] = exeInfo.args[i].replace(/\{dropfile\}/g, self.dropFile.fileName);
exeInfo.args[i] = exeInfo.args[i].replace(/\{node\}/g, self.client.node.toString());
}
var doorInstance = new door.Door(this.client, exeInfo);
doorInstance.on('finished', function doorFinished() {
self.prevMenu();
});
self.client.term.write(ansi.resetScreen());
doorInstance.run();
};
}
require('util').inherits(AbracadabraModule, MenuModule);
AbracadabraModule.prototype.enter = function(client) {
AbracadabraModule.super_.prototype.enter.call(this, client);
};
AbracadabraModule.prototype.leave = function() {
AbracadabraModule.super_.prototype.leave.call(this);
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if(!this.lastError) {
activeDoorNodeInstances[this.config.name] -= 1;
}
};
AbracadabraModule.prototype.finishedLoading = function() {
this.runDoor();
};