meteor ddp

Meteor/DDP

김경렬

Why the Future is not RESTful

http://z.caudate.me/why-the-future-is-not-restful/

• Open source platform for building Modern Web Apps.

• EJSON instead of HTML

• Run most of their code inside the browser.

• Single language.

• Reactivity, Pub/Sub, Latency Compensation

http://www.meteor.com/screencast

javascript code (client/server)

node.js / database (mongodb)

DDP(EJSON)

presentations(templates, binding)

install

• $ curl https://install.meteor.com | /bin/sh

• $ meteor create myapp

• $ cd myapp$ meteor=> Meteor server running on: http://localhost:3000/

• $ meteor deploy myapp.meteor.com

Document

• http://docs.meteor.com/ (english)http://docs-ko.meteor.com/ (번역)

Sample - LeaderBoard

DDP (Distributed Data Protocol)

• Remote procedure calls by the client to the server.

• The client subscribing to a set of documents, and the server keeping the client informed about the contents of those documents as they change over time.

https://github.com/meteor/meteor/blob/master/packages/livedata/DDP.md

SockJS / WebSocketsNative Socket

EJSON (msg type, other field)

EstablishingManaging Data

Remote Procedure Calls

Establishing

client server

connect

sessionversionsupport

Establishing

client server

connected

session

Establishing

client server

failed

version

Managing Data

client server

sub unsub

id(name

params)

C(R)UD

client server

addedchanged removedcollection

id (fields, cleared)

Ordered Collection C(R)UD

client server

addedBeforemovedBefore

collection id

fields, before

RPC

client server

method

methodparams

id

RPC

client server

result

id error result

RPC

client server

update

methods

The futures of RESTful

Data storage of the client

RealTime