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Merged
merged 1 commit into from
Jul 23, 2013
Merged

Extract database config to a file and share db with child. #7

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14 changes: 11 additions & 3 deletions app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,13 +6,14 @@ var express = require('express')
, http = require('http')
, path = require('path')
, partials = require('express-partials')
, app = express();
, config = require('./config')
, app = express();

global.io = require('socket.io').listen(app.listen( 3000 ));
global.io = require('socket.io').listen(app.listen( config.port ));

io.configure(function () {
io.set('transports', ['websocket', 'xhr-polling']);
io.set('log level', 0);
io.set('log level', config.log_level);
io.set('force new connection', true);
});

Expand All @@ -21,10 +22,16 @@ io.sockets.on('connection', function (socket)
socket.on('setMaxThreads', function(data){ });
});

// db connect
var db = require('mongoose');
db.connect(config.db.service+'://'+config.db.host+'/'+config.db.database);

app.configure(function() {
app.set('views', __dirname + '/views');
app.set('view engine', 'ejs');
app.set('view options', { layout:true, pretty: true });
app.set('config', config);
app.set('db', db);
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.bodyParser());
Expand All @@ -39,3 +46,4 @@ app.configure('development', function(){
});

require('./routes')(app);

9 changes: 9 additions & 0 deletions config.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
{
"log_level": 0,
"port": 3000,
"db": {
"service": "mongodb",
"host": "localhost",
"database": "search_for_404_v4"
}
}
37 changes: 25 additions & 12 deletions crawling-daemon.js
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Expand Up @@ -2,28 +2,41 @@
Scraper app. Only runs as child forked process.
*/

var util = require('util'),
http = require('http'),
url = require('url'),
mongoose= require('mongoose'),
argv = require('named-argv'),
jsdom = require('jsdom');

mongoose.connect('mongodb://localhost/search_for_404_v4');
var util = require('util'),
http = require('http'),
url = require('url'),
mongoose = require('mongoose'),
argv = require('named-argv'),
jsdom = require('jsdom');

/*
requestsRunningPool: array of links are requesting now
*/

var scrapeHost = "", max_depth, create_sitemap, link, auth = {},
LinksCheckModel, LinksGrabbedModel,
requestsRunning = 0, requestsRunningPool = [], requestsPerSecond = 0, maxThreads = 5,
checkUrlInterval = null, processingDOM = false;
var scrapeHost = "",
max_depth,
create_sitemap,
link,
auth = {},
LinksCheckModel,
LinksGrabbedModel,
requestsRunning = 0,
requestsRunningPool = [],
requestsPerSecond = 0,
maxThreads = 5,
checkUrlInterval = null,
processingDOM = false,
config;

process.on("message", function(data)
{
switch (data.action)
{
case "setConfig":
config = data.config;
mongoose.connect(config.db.service+'://'+config.db.host+'/'+config.db.database);
break;

case "setAuth":
auth.user = data.auth_user;
auth.pass = data.auth_pass;
Expand Down
17 changes: 14 additions & 3 deletions routes/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,11 @@ module.exports = function(app) {
}

function getHomePage(req, res) {
res.render('index');
var port = res.app.settings.config.port;

res.render('index', {
port: port
});
}

function postAddScraper(req, res)
Expand All @@ -23,9 +27,16 @@ function postAddScraper(req, res)
auth_pass = req.body.auth_pass,
depth = parseInt(req.body.create_crawler_depth),
create_sitemap = req.body.create_crawler_sitemap == 1,
clean = req.body.clean_crawl == 1;
clean = req.body.clean_crawl == 1,
config = res.app.settings.config;

var child = child_process.fork("crawling-daemon.js");

// setup config
child.send({
action: "setConfig",
config: config
});

if (auth_user!="" && auth_pass!="")
child.send(
Expand Down Expand Up @@ -114,4 +125,4 @@ function postAddScraper(req, res)

// child_processes[url] = child;
res.redirect("/");
}
}
4 changes: 2 additions & 2 deletions views/layout.ejs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
<html lang="en">
<head>
<meta charset="utf-8">
<title>Bootstrap, from Twitter</title>
<title>Node Web Crawler</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
Expand All @@ -17,7 +17,7 @@
<script src="/socket.io/socket.io.js"></script>

<script>
var socket = io.connect(window.___location.hostname, {port: 3000});
var socket = io.connect(window.___location.hostname, {port: <%= port %>});
</script>
</head>

Expand Down