![First Request
T 127.0.0.1:65062 -> 127.0.0.1:8080 [AP]
GET / HTTP/1.1.
Upgrade: websocket.
Connection: Upgrade.
Host: 127.0.0.1:8080.
Origin: http://127.0.0.1:8080.
Sec-WebSocket-Key: Tz9qdt3lmte6Slf+GvpRqQ==.
Sec-WebSocket-Version: 13.
Sec-WebSocket-Extensions: x-webkit-deflate-
frame.](https://image.slidesharecdn.com/20120706istanbul-121017090949-phpapp02/85/Writing-Portable-WebSockets-in-Java-44-320.jpg)
![Response
T 127.0.0.1:8080 -> 127.0.0.1:51292 [AP]
HTTP/1.1 101 Switching Protocols.
Upgrade: WebSocket.
Connection: Upgrade.
Sec-WebSocket-Accept:
HVXA7SqH5uYeN6aD9tZ0JQbfTJA=.](https://image.slidesharecdn.com/20120706istanbul-121017090949-phpapp02/85/Writing-Portable-WebSockets-in-Java-45-320.jpg)
![Life is good, lalalalalala
T 127.0.0.1:8080 -> 127.0.0.1:51292 [AP]
HTTP/1.1 101 Switching Protocols.
Upgrade: WebSocket.
Connection: Upgrade.
Sec-WebSocket-Accept:
HVXA7SqH5uYeN6aD9tZ0JQbfTJA=.](https://image.slidesharecdn.com/20120706istanbul-121017090949-phpapp02/85/Writing-Portable-WebSockets-in-Java-46-320.jpg)
![OUPS!!!
T 127.0.0.1:8080 -> 127.0.0.1:65064 [AP]
HTTP/1.1 501 Not Implemented.
Server: Apache-Coyote/1.1.
X-Atmosphere-error: Websocket protocol not
supported.
Transfer-Encoding: chunked.
Date: Fri, 15 Jun 2012 10:06:30 GMT.
Connection: close.
.](https://image.slidesharecdn.com/20120706istanbul-121017090949-phpapp02/85/Writing-Portable-WebSockets-in-Java-47-320.jpg)
Writing Portable WebSockets in Java
- 1. Writing Portable WebSocket in Java Jeanfrancois Arcand twitter.com/jfarcand
- 2. Pardon? • Worked 10 years for Sun Microsystems • Active Commiter on Tomcat 4/5 • Active Commiter GlassFish 1/2/3 • Glassfish v3 extensible container kernel • Performance/Scalability • Creator of the Grizzly NIO Framework • Creator of the AHC (AsyncHttpClient) library • Creator of Atmosphere
- 3. Atmosphere Apache 2 Github ~470 « followers » Client + Supported server ~25 frameworks Scala, Groovy, JRuby, Java Since 2008 20 000 downloads per months 1.0.0.beta3
- 4. Atmosphere Apache 2 Github ~450 « followers » Client + Supported EXTREMEL server ~25 Y ACTIVE frameworks !!! Scala, Groovy, JRuby, Java Since2008 20 000 downloads per months 1.0.0.beta2
- 5. Today’s Presentation WebSocket
- 6. Today’s Presentation WebSocket Definition
- 7. Today’s Presentation WebSocket Definition Free for all!!!
- 8. Today’s Presentation WebSocket C’est quoi Definition Free for Free for all!!! all! Atmospher e
- 9. Today’s Presentation WebSocket Definition Free for all! Atmospher e Concepts
- 10. Today’s Presentation WebSocket C’est quoi Definition Free for all!!! all! Atmospher e Concepts Demo
- 11. WebSockets is a web technology providing for bi-directional, full-duplex communications channels over a single TCP connection. The WebSocket API is being standardized by the W3C, and the WebSocket protocol has been standardized by the IETF as RFC 6455
- 12. Before (Long-Polling) Request Browse Server r
- 13. Before (Long-Polling) Request Browse Server r
- 14. Before (Long-Polling) Request Browse Server r Response
- 15. Oups!! Request Browse None Server r
- 16. Oups! Request Browse Server r Zzzz
- 17. Better! Request Browse Server r Cache
- 18. Better! Request Browse Server r Cache
- 19. Pushing the Protocol (HTTP Streaming) Request Browse Server r
- 20. Pushing the Protocol (HTTP Streaming) Request Browse Server r
- 21. Pushing the Protocol (HTTP Streaming) Request Browse Server r Response
- 22. Pushing the Protocol (HTTP Streaming) Request Browse Server r Response Response
- 23. Oups!! Request Browse Server r Hell!!! Response Response
- 24. Pushing the Protocol (HTTP Streaming) Request Browse Server r Hell!!! Hack Response Response
- 25. Oups!!! Request Browse Server r Response Proxy Response
- 26. Better Request Browse Server r Response Cache Response
- 27. Better Request Browse Server r Response Cache « HeartBeat Response »
- 28. Better: Server Side Events (SSE) Request Browse Server r Response Response
- 29. Oups!!! Request Browse Server r Response Proxy Response
- 30. Better Request Browse Server r Response Cache « HeartBeat Response »
- 31. WebSockets Hanshake Browse Server r
- 32. WebSockets Hanshake Browse Server r OK
- 33. WebSockets Request Browse Server r
- 34. WebSockets Request Browse Server r
- 35. WebSockets Browse Server r Response
- 36. WebSockets Request Browse Server r
- 37. WebSockets Request Request Browse Server r
- 38. WebSockets Request Request Browse Server r
- 39. WebSockets Browse Server r Response Response
- 40. Anytime Browse Server r Response
- 41. Life is good, lalalalalala Browse Server r Response
- 42. Oups!! Browse Server r Response Proxy
- 43. Better! Browse Server r Response Cache
- 44. First Request T 127.0.0.1:65062 -> 127.0.0.1:8080 [AP] GET / HTTP/1.1. Upgrade: websocket. Connection: Upgrade. Host: 127.0.0.1:8080. Origin: http://127.0.0.1:8080. Sec-WebSocket-Key: Tz9qdt3lmte6Slf+GvpRqQ==. Sec-WebSocket-Version: 13. Sec-WebSocket-Extensions: x-webkit-deflate- frame.
- 45. Response T 127.0.0.1:8080 -> 127.0.0.1:51292 [AP] HTTP/1.1 101 Switching Protocols. Upgrade: WebSocket. Connection: Upgrade. Sec-WebSocket-Accept: HVXA7SqH5uYeN6aD9tZ0JQbfTJA=.
- 46. Life is good, lalalalalala T 127.0.0.1:8080 -> 127.0.0.1:51292 [AP] HTTP/1.1 101 Switching Protocols. Upgrade: WebSocket. Connection: Upgrade. Sec-WebSocket-Accept: HVXA7SqH5uYeN6aD9tZ0JQbfTJA=.
- 47. OUPS!!! T 127.0.0.1:8080 -> 127.0.0.1:65064 [AP] HTTP/1.1 501 Not Implemented. Server: Apache-Coyote/1.1. X-Atmosphere-error: Websocket protocol not supported. Transfer-Encoding: chunked. Date: Fri, 15 Jun 2012 10:06:30 GMT. Connection: close. .
- 48. WebSocket API – Standard JavaScript websocket = new WebSocket(wsUri); websocket.onopen = function(evt) { …}; websocket.onclose = function(evt) { …}; websocket.onmessage = function(evt) { …}; websocket.onerror = function(evt) { …}; webSocket.send(…)
- 49. WebSocket API – Java Jetty 7, GlassFish 3.1, Netty 3, Tomcat 7.0.27, Resin 4, JBoss Plugin JSR 356: http://jcp.org/en/jsr/detail?id=356 AHC (Client -> De facto) http://github.com/sonatype/async-http- client
- 50. Life is good, lalalalalala
- 51. OUPS!!!
- 52. Ready? Safari Tomcat 7 Firefox Jetty7 Jetty8 Chrome GlassFis Opera h3. GlassFis IE h 312
- 53. Free for all Safari Tomcat 7 Firefox Jetty7 Jetty8 Chrome GlassFis Opera h3. GlassFis IE h 312
- 54. Free for all Safari Tomcat 7 Firefox Jetty7 Imdat!! Jetty8 Chrome GlassFis Opera h3. GlassFis IE h 312
- 55. Free for all Safari Tomcat 7 Streamin Jetty7 Firefox g Imdat!! Jetty8 Chrome GlassFis Opera h3. GlassFis IE h 312
- 56. Free for all Safari Tomcat 7 Streamin Jetty7 Firefox g Imdat!!SSE Jetty8 Chrome GlassFis Opera h3. GlassFis IE h 312
- 57. Free for all Safari Tomcat 7 Streamin Jetty7 Firefox g Imdat!!SSE Jetty8 Chrome GlassFis Opera JSONP h3. GlassFis IE h 312
- 58. Free for all Safari Tomcat 7 Streamin Jetty7 Firefox g Imdat!!SSE Jetty8 Chrome GlassFis Opera Long JSONP h3. GlassFis IE Polling h 312
- 59. Safari Tomcat 7 Firefox Jetty7 Atmosphere Chrome to the Jetty8 rescue!!! GlassFis Opera h3. GlassFis IE h 312
- 60. Atmosphere -WebSockets Safari Tomcat 7 Jetty7 Atmosphere API Firefox atmosphere.js Jetty8 Chrome GlassFis Opera h3. GlassFis IE h 312
- 61. Atmosphere - HTML5 Server Side Events Safari Tomcat 7 Jetty7 Atmosphere API Firefox atmosphere.js Servlet Chrome 3 WebLogi Opera c GlassFis IE h 312
- 62. Atmosphere Long-Polling/HTTP Streaming Safari JBoss Jetty7 Atmosphere API Firefox atmosphere.js Servlet Chrome 3 WebLogi Opera c. GlassFis IE h
- 63. Atmosphere Safari JBoss Jetty7 Atmosphere API Firefox atmosphere.js Same Chrome API, transport Servlet 3 independent!! WebLogi Opera c. GlassFis IE h
- 64. Socket.IO, GWT, Wicket, JSF, etc. Safari JBoss Jetty7 Atmosphere API Firefox Socket.IO Servlet Chrome 3 WebLogi Opera c. GlassFis IE h
- 65. PORTABLE!!!!! Safari JBoss Jetty7 Atmosphere API Firefox Socket.IO PORTABLE Servlet Chrome 3 WebLogi Opera c. GlassFis IE h
- 66. Big Big Big Mistake • Frameworkthat support ONLY WebSockets Going into Production? IMPOSSIBLE
- 67. Atmosphere
- 68. Definition • Suspend: open a channel • Resume: close a channel • Broadcast: push message to one or more channel
- 69. Components Atmosphere.js Interceptor(s) Handler(s)
- 70. Components Atmosphere.js Javascript Interceptor(s) client Handler(s)
- 71. Components Atmosphere.js Interceptor(s) Intercepts/ Filters Handler(s)
- 72. Components Atmosphere.js Application Interceptor(s) s Logic Handler(s)
- 73. Components Atmosphere.js Your Servlet Interceptor(s) ServletHandler
- 74. Components Your Servlet Atmosphere.js Based Framework Interceptor(s) ServletHandler
- 75. Components Atmosphere.js ws Your Servlet Interceptor(s) ServletHandler
- 76. Components Atmosphere.js ws Your Servlet ss e Interceptor(s) ServletHandler
- 77. Components Atmosphere.js ws Your Servlet ss http e Interceptor(s) ServletHandler
- 78. Request Browse r Browse Server r Browse r
- 79. Request Browse r Browse Server r Browse r
- 80. Suspend Browse r Browse Server r Browse r
- 81. Suspend Browse r S Browse Server r Browse r
- 82. Suspend Browse r S Browse Server r Browse r
- 83. Suspend Browse r S Browse Server r Browse r
- 84. Broadcast Browse r B S Browse Server r Browse r
- 85. Broadcast Browse r B S Browse Server r Browse r
- 86. Resume Browse r B Browse Server r R Browse r
- 87. Resume Browse r B Browse Server S r Browse r
- 88. Broadcaster • Default: in-memory • Cloud • RedisBroadcaster • JMSBroadcaster • XMPPBroadcaster • HazelcastBroadcaster • JGroupsBroascaster • Multi-Threads, Async I/O par default
- 89. Broadcaster Cloud Browse r S Server Browse r Browse S Server r
- 90. Broadcaster Cloud Browse r S Server Browse r Browse S Server r
- 91. Broadcaster Cloud Browse B r S Server Browse r Browse S Server r
- 92. Broadcaster Cloud Browse B r Server Browse r Browse r Server
- 93. Broadcaster Cloud Browse r Server Browse r B Browse r Server
- 94. Broadcaster Cloud Browse r Server Browse r Browse r Server
- 95. Atmosphere API • WebSocketHandler • Only WebSocket (WARNING)! • AtmosphereHandler • All transport • Jersey Resource • All transport • Meteor • All transport
- 96. WebSocket Sub Protocol • WebSocketProtocol Define your own websocket protocol • SimpleHttpProtocol WebSocket’s message mapped to HTTP POST, avec read/write asynchrone. • SwaggerSocket:REST over WebSockets -> Powerful Protocol
- 97. Let’s have some fun
- 98. Single Client to Rule Them All https://github.com/Atmosphere/atmos phere/blob/master/samples/chat/src/m ain/webapp/jquery/application.js#L1
- 99. WebSocket https://github.com/Atmosphere/atmos phere/blob/master/samples/websocke t- chat/src/main/java/org/atmosphere/sa mples/chat/WebSocketChat.java#L33
- 100. WebSocket, SSE, long-polling https://github.com/Atmosphere/atmos phere/blob/master/samples/chat/src/m ain/java/org/atmosphere/samples/chat /ChatAtmosphereHandler.java#L33
- 101. Socket IO https://github.com/Atmosphere/atmos phere/blob/master/samples/socketio- chat/src/main/java/org/atmosphere/sa mples/chat/SocketIOChatAtmosphere Handler.java#L34
- 104. SwaggerSocket • REST over WebSocket • JSON Based • Simple • Works with HTTP • Multi-Request/Response
- 105. Conclusion Join the Revolution It’s open source, it’s free to jumps in!!
- 106. twitter.com/jfarcand twitter.com/atmo_framework twitter.com/swaggersocket http://github.com/Atmosphere/atmosphere http://github.com/wordnik/swaggersocket