[10gen] name=10gen Repository baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/i686 gpgcheck=0
yum install mongo-10gen mongo-10gen-server -y
/etc/init.d/mongod start
$ mongo MongoDB shell version: 2.0.0 connecting to: testtestというdbにつながったようです。
> show dbs local (empty) test (empty)localとtestというDBがあり、中身はまだ空になっています。
> db.hoge.save({id:"1", name:"HOGE"});
>
> db.hoge.find();
{ "_id" : ObjectId("4e9f8ced316d58abc218dc43"), "id" : "1", "name" : "HOGE" }
このように、クエリにあたるものもすべてjavascriptで行い、結果はJSON形式で表示されます。いかにもnodeと相性がよさそうです。# npm install -g mongoose > mongodb@0.9.6-22 install /usr/local/lib/node_modules/mongoose/node_modules/mongodb > bash ./install.sh ================================================================================ = = = To install with C++ bson parser do <npm --mongodb:native="" install="" mongodb=""> = = the parser only works for node 0.4.X or lower = = = ================================================================================ Not building native library for cygwin Using GNU make mongoose@2.3.5 /usr/local/lib/node_modules/mongoose ├── colors@0.5.0 ├── hooks@0.1.9 └── mongodb@0.9.6-22
#!/usr/local/bin/node
var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/memorycraft');
var Schema = mongoose.Schema;
var ItemSchema = new Schema({title:String, auther:String, price:Number, date:Date});
var Item = mongoose.model('Item', ItemSchema);
var item = new Item();
item.title = "体脂肪計タニタの社員食堂 ~500kcalのまんぷく定食~";
item.auther = "タニタ";
item.price = 1200;
item.date = new Date(2010, 1, 21);
item.save(function(err){
if(err){
console.log(err.message);
}
else{
console.log("保存しました");
}
});
$ ./hello_mongo.js 保存しました
$mongo
> show dbs
local (empty)
memorycraft 0.0625GB
test 0.0625GB
>
> use memorycraft
switched to db memorycraft
>
> show collections
items
system.indexes
>
> db.items.find()
{ "date" : ISODate("2010-02-20T15:00:00Z"), "price" : 1200, "auther" : "タニタ", "title" : "体脂肪計タニタの社員食堂 ~500kcalのまんぷく定食~", "_id" : ObjectId("4e9f98394699a3fb40000001") }
Item.find({}, function(err, items) {
if(!err) {
res.json(items);
}
});
$ npm install -g jsdom > contextify@0.0.6 preinstall /usr/local/lib/node_modules/jsdom/node_modules/contextify > node-waf clean || true; node-waf configure build Nothing to clean (project not configured) Setting srcdir to : /usr/local/lib/node_modules/jsdom/node_modules/contextify Setting blddir to : /usr/local/lib/node_modules/jsdom/node_modules/contextify/build Checking for program g++ or c++ : /usr/bin/g++ Checking for program cpp : /usr/bin/cpp Checking for program ar : /usr/bin/ar Checking for program ranlib : /usr/bin/ranlib Checking for g++ : ok Checking for node path : not found Checking for node prefix : ok /usr/local 'configure' finished successfully (0.026s) Waf: Entering directory `/usr/local/lib/node_modules/jsdom/node_modules/contextify/build' [1/2] cxx: src/contextify.cc -> build/Release/src/contextify_1.o [2/2] cxx_link: build/Release/src/contextify_1.o -> build/Release/contextify.node Waf: Leaving directory `/usr/local/lib/node_modules/jsdom/node_modules/contextify/build' 'build' finished successfully (0.789s) jsdom@0.2.8 /usr/local/lib/node_modules/jsdom ├── htmlparser@1.7.3 ├── cssom@0.2.0 ├── request@2.1.1 └── contextify@0.0.6_インストールが完了しました。
#!/usr/local/bin/node
var jsdom = require("jsdom").jsdom;
var document = jsdom("<html><head></head><body><div id='greeting'>hello world</div></body></html>"),
var window = document.createWindow();
console.log(window.document.getElementById("greeting").innerHTML);
実行$ chmod 755 hello_dom.js $ ./hello_dom.js hello worldうまく出力されました。
#!/usr/local/bin/node
var jsdom = require("jsdom");
jsdom.env("http://www.memocra.blogspot.com", [
'http://code.jquery.com/jquery-1.5.min.js'
],
function(errors, window) {
var $ = window.$;
$("h3 a").each(function(){
console.log($(this).text());
});
});
実行$ chmod 755 hello_jquery.js $ ./hello_jquery.js EC2でMySQL(世界編2 Spiderとレプリケーションで高速負荷分散) EC2でMySQL(世界編1 Spiderとレプリケーションで世界進出) SQSってなんじゃ？（AWSコンソールにSQS登場） S3ってなんじゃ？(サーバー側でファイルのAES256暗号化) WebSocketってなんじゃ？(Node編2 Socket.IOでプッシュ通信)
$ curl http://npmjs.org/install.sh | sh $ npm install -g socket.io
$ cd /usr/local/src $ wget http://ftp.gnu.org/gnu/tar/tar-1.26.tar.gz $ tar xzvf tar-1.26.tar.gz $ cd tar-1.26 $ ./configure $ make # make install
$ curl http://npmjs.org/install.sh | sh $ npm install -g socket.io
require.paths.push('/usr/local/lib/node_modules');
var server = require('http').createServer(function(req, res){
res.writeHead(200, {'Content-Type': 'text/html'});
res.end('server connected');
});
server.listen(1337);
var io = require('socket.io').listen(server);
io.sockets.on('connection', function (socket) {
socket.emit('info', { msg: 'welcome' });
socket.on('msg', function (msg) {
io.sockets.emit('msg', {msg: msg});
});
socket.on('disconnect', function(){
socket.emit('info', {msg: 'bye'});
});
});
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript" charset="utf-8"></script>
<script src="http://xxx.xxx.xxx.xxx:1337/socket.io/socket.io.js"></script>
<script type="text/javascript">
$(function(){
var socket = io.connect('http://xxx.xxx.xxx.xxx:1337/');
socket.on('connect', function() {
$("#log").html($("#log").html() + "<br />" + 'connected');
socket.on('info', function (data) {
$("#log").html($("#log").html() + "<br />" + data.msg);
});
socket.on('msg', function(data){
$("#log").html($("#log").html() + "<br />" + "<b>" + data.msg + "</b>");
});
$("#send").click(function(){
var msg = $("#msg").val();
if(!msg){
alert("input your message");
return;
}
socket.emit('msg', msg);
});
});
});
</script>
<title>nodetest</title>
</head>
<body>
<input id="msg" type="text" style="width:400px;"></input>
<input id="send" type="button" value="send" /></br >
<div id="log" style="width:400px;height:400px;overflow:auto;border:1px solid #000000;"></div>
</html>
$ node /opt/memorycraft/node/socketsample.js info - socket.io started
# yum install -y subversion # yum install -y scons $ cd /usr/local/src/ $ svn co http://v8.googlecode.com/svn/trunk/ v8 $ cd v8/ $ sconsインストールが完了しました。
$ vi hello.js
~
function hello(name){
return "Hello! " + name;
}
~
$ scons sample=shell
$ ./shell
V8 version 3.6.4.1 [sample shell]
> load('hello.js');
> print(hello('memorycraft'));
Hello! memorycraft
$ mkdir -p ~/src/git $ cd ~/src/git/ $ git clone --depth 1 git://github.com/joyent/node.git $ cd node $ git checkout v0.4.11 $ ./configure $ make # make install
$ vi hello.js
~
var http = require('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello World\n');
}).listen(1337);
console.log('Server is running');
~
$ node hello.js Server is running※AWS上で構築している場合はSecurityGroupでTCPの1337を開放する必要があります。
$ curl http://xx.xx.xx.xx:1337/ Hello World
var http = require('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.write("Hello\n");
setTimeout(function(){
res.end('This is the Node World !!!!\n');
}, 10000);
}).listen(1337);
console.log('Server running');
$ curl http://xx.xx.xx.xx:1337/ Hello
$ curl http://xx.xx.xx.xx:1337/ Hello This is the Node World !!!!と "This is the node World !!!!" が追加で表示されます。