Grizzly1.9.3x

•

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The document describes the architecture and components of the Grizzly NIO framework. It shows the main threads and channels used in Grizzly including acceptor threads, worker threads, and selector threads. It provides examples of configuring Grizzly servers and deploying web applications on Grizzly.

6
Worker

Thread

Worker

Thread Web Container
Worker

HTTP Engine
Thread

Worker

VS Select
Thread

Acceptor
Worker
NSAPI Engine
Thread Thread
4 5
Acceptor
Worker
…
Thread Thread

1 2 3 7

KeepAlive

Thread
KeepAlive

Thread
9 8

‹#›

B
B

Thread-‐1
Thread-‐1

B
B

Thread-‐2
Thread-‐2

B
B

Thread-‐3
Thread-‐3

‹#›

$Selector selector = Selector.open();! ServerSocketChannel serverChannel = ServerSocketChannel.open();! serverChannel.configureBlocking(false);// ! serverChannel.socket().bind(new InetSocketAddress(9090));! serverChannel.register(selector, SelectionKey.OP_ACCEPT);! while (selector.select() > 0) {! for (Iterator it = selector.selectedKeys().iterator(); it.hasNext();) {! SelectionKey key = (SelectionKey) it.next();! it.remove();! if (key.isAcceptable()) {! ServerSocketChannel serverChannel =! (ServerSocketChannel) key.channel();! SocketChannel channel = serverChannel.accept();! channel.configureBlocking(false);! channel.register(selector, SelectionKey.OP_READ);! ‹#›$

SocketChannel channel = serverChannel.accept();!

AsynchronousServerSocketChannel server =
AsynchronousServerSocketChannel.open().bind(9900);!
Future<AsynchronousSocketChannel> acceptFuture = server.accept
();!
AsynchronousSocketChannel worker = future.get();!
//AsynchronousSocketChannel worker = future.get(10,
TimeUnit.SECONDS); // !

‹#›

GlassFish glassfish = GlassFishRuntime.bootstrap().!
! ! ! ! ! ! !newGlassFish();!
glassfish.start();!
!

CommandRunner commandRunner = glassfish.getService
(CommandRunner.class);!
CommandResult commandResult = commandRunner.run("create-http-
listener", "--listenerport=9090", "--listeneraddress=0.0.0.0",
"--defaultvs=server", "my-http-listener");!
!

Deployer deployer = glassfish.getDeployer();!
deployer.deploy(new File(“HelloWorldWeb-GA.war"));!

‹#›

public class HelloWorldAdapter extends GrizzlyAdapter {!
@Override!
public void service(GrizzlyRequest request, GrizzlyResponse
response) {!
try {!
response.getWriter().println("HelloWorld");!
} catch (IOException ex) {!
ex.printStackTrace();!
}}!

<adapters>!
<adapter context-root="/helloworld" class-
name="co.jp.oracle.http.HelloWorldAdapter"/>!
</adapters>!

> asadmin deploy helloworld.jar

‹#›

GrizzlyWebServer gws = new GrizzlyWebServer(8080, "no static
content");!
!
ServletAdapter simpleServletAdapter = new ServletAdapter();!
simpleServletAdapter.setContextPath("/hello");!
simpleServletAdapter.setServletInstance(new MyServlet());!
gws.addGrizzlyAdapter(simpleServletAdapter, new String[]{"/
hello"});!
!
gws.start();!

‹#›

-Dcom.sun.grizzly.displayConfiguration = true!

Grizzly running on Darwin - 10.8.0 under JDK version: 1.7.0-internal -
Oracle Corporation !
port: 4848!
Thread Pool:
com.sun.enterprise.v3.services.impl.monitor.MonitorableThreadPool@7e8e
68bd, port=4848!
Read Selector: -1!
ByteBuffer size: 8192 !
maxHttpHeaderSize: 8192!
sendBufferSize: 8192!
maxKeepAliveRequests: 250!
keepAliveTimeoutInSeconds: 30 !
Static File Cache enabled: false!
‹#›
Adapter : com.sun.enterprise.v3.services.impl.ContainerMapper !
Asynchronous Request Processing enabled: false|#]!

-‐Dcom.sun.grizzly.enableSnoop=true!

[#|2011-‐09-‐01T22:00:39.319+0900|INFO|glassﬁsh3.1.1|
com.sun.grizzly.conﬁg.GrizzlyServiceListener|_ThreadID=67;_ThreadName=Thread-‐2;|GRIZZLY0020:

SocketChannel
headers
java.nio.channels.SocketChannel[connected
local=/127.0.0.1:4848
remote=/
127.0.0.1:55379]
are:

===
MimeHeaders
===

host
=
127.0.0.1:4848

user-‐agent
=
Mozilla/5.0
(Macintosh;
Intel
Mac
OS
X
10.6;
rv:6.0.1)
Gecko/20100101
Firefox/6.0.1

accept
=
text/html,applica9on/xhtml+xml,applica9on/xml;q=0.9,*/*;q=0.8

accept-‐language
=
ja,en;q=0.7,en-‐us;q=0.3

accept-‐encoding
=
gzip,
deﬂate

accept-‐charset
=
Shil_JIS,un-‐8;q=0.7,*;q=0.7

‹#›

-client!
-Xmx512m!

-server !
-Xmx3500m -Xms3500m -Xss128k !
-XX:+AggressiveHeap !
-XX:+DisableExplicitGC!

‹#›

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Grizzly1.9.3x

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11. 6 Worker Thread Worker Thread Web Container Worker HTTP Engine Thread Worker VS Select Thread Acceptor Worker NSAPI Engine Thread Thread 4 5 Acceptor Worker … Thread Thread 1 2 3 7 KeepAlive Thread KeepAlive Thread 9 8 ‹#›

12. B B Thread-‐1 Thread-‐1 B B Thread-‐2 Thread-‐2 B B Thread-‐3 Thread-‐3 ‹#›

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15. Selector selector = Selector.open();! ServerSocketChannel serverChannel = ServerSocketChannel.open();! serverChannel.configureBlocking(false);// ! serverChannel.socket().bind(new InetSocketAddress(9090));! serverChannel.register(selector, SelectionKey.OP_ACCEPT);! while (selector.select() > 0) {! for (Iterator it = selector.selectedKeys().iterator(); it.hasNext();) {! SelectionKey key = (SelectionKey) it.next();! it.remove();! if (key.isAcceptable()) {! ServerSocketChannel serverChannel =! (ServerSocketChannel) key.channel();! SocketChannel channel = serverChannel.accept();! channel.configureBlocking(false);! channel.register(selector, SelectionKey.OP_READ);! ‹#›

16. SocketChannel channel = serverChannel.accept();! AsynchronousServerSocketChannel server = AsynchronousServerSocketChannel.open().bind(9900);! Future<AsynchronousSocketChannel> acceptFuture = server.accept ();! AsynchronousSocketChannel worker = future.get();! //AsynchronousSocketChannel worker = future.get(10, TimeUnit.SECONDS); // ! ‹#›

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19. GlassFish glassfish = GlassFishRuntime.bootstrap().! ! ! ! ! ! ! !newGlassFish();! glassfish.start();! ! CommandRunner commandRunner = glassfish.getService (CommandRunner.class);! CommandResult commandResult = commandRunner.run("create-http- listener", "--listenerport=9090", "--listeneraddress=0.0.0.0", "--defaultvs=server", "my-http-listener");! ! Deployer deployer = glassfish.getDeployer();! deployer.deploy(new File(“HelloWorldWeb-GA.war"));! ‹#›

20. public class HelloWorldAdapter extends GrizzlyAdapter {! @Override! public void service(GrizzlyRequest request, GrizzlyResponse response) {! try {! response.getWriter().println("HelloWorld");! } catch (IOException ex) {! ex.printStackTrace();! }}! <adapters>! <adapter context-root="/helloworld" class- name="co.jp.oracle.http.HelloWorldAdapter"/>! </adapters>! > asadmin deploy helloworld.jar ‹#›

21. GrizzlyWebServer gws = new GrizzlyWebServer(8080, "no static content");! ! ServletAdapter simpleServletAdapter = new ServletAdapter();! simpleServletAdapter.setContextPath("/hello");! simpleServletAdapter.setServletInstance(new MyServlet());! gws.addGrizzlyAdapter(simpleServletAdapter, new String[]{"/ hello"});! ! gws.start();! ‹#›

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23. -Dcom.sun.grizzly.displayConfiguration = true! Grizzly running on Darwin - 10.8.0 under JDK version: 1.7.0-internal - Oracle Corporation ! port: 4848! Thread Pool: com.sun.enterprise.v3.services.impl.monitor.MonitorableThreadPool@7e8e 68bd, port=4848! Read Selector: -1! ByteBuffer size: 8192 ! maxHttpHeaderSize: 8192! sendBufferSize: 8192! maxKeepAliveRequests: 250! keepAliveTimeoutInSeconds: 30 ! Static File Cache enabled: false! ‹#› Adapter : com.sun.enterprise.v3.services.impl.ContainerMapper ! Asynchronous Request Processing enabled: false|#]!

24. -‐Dcom.sun.grizzly.enableSnoop=true! [#|2011-‐09-‐01T22:00:39.319+0900|INFO|glassfish3.1.1| com.sun.grizzly.config.GrizzlyServiceListener|_ThreadID=67;_ThreadName=Thread-‐2;|GRIZZLY0020: SocketChannel headers java.nio.channels.SocketChannel[connected local=/127.0.0.1:4848 remote=/ 127.0.0.1:55379] are: === MimeHeaders === host = 127.0.0.1:4848 user-‐agent = Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:6.0.1) Gecko/20100101 Firefox/6.0.1 accept = text/html,applica9on/xhtml+xml,applica9on/xml;q=0.9,*/*;q=0.8 accept-‐language = ja,en;q=0.7,en-‐us;q=0.3 accept-‐encoding = gzip, deflate accept-‐charset = Shil_JIS,un-‐8;q=0.7,*;q=0.7 ‹#›

25. -client! -Xmx512m! -server ! -Xmx3500m -Xms3500m -Xss128k ! -XX:+AggressiveHeap ! -XX:+DisableExplicitGC! ‹#›

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