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Add Jetty acceptors and selectors support

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Add support for Jetty `acceptors` and `selectors` configuration, either
directly on the `JettyEmbeddedServletContainerFactory` or via
`server.jetty.acceptors`/`server.jetty.selectors` server properties.

Fixes gh-5380
Closes gh-5649
This commit is contained in:
Venil Noronha
2016-04-11 09:29:57 +05:30
committed by Phillip Webb
parent 1bf10f2926
commit 1def64e49e
4 changed files with 106 additions and 3 deletions
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46
spring-boot/src/main/java/org/springframework/boot/context/embedded/jetty/JettyEmbeddedServletContainerFactory.java
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@@ -91,6 +91,7 @@ import org.springframework.util.StringUtils;
* @author Andrey Hihlovskiy
* @author Andy Wilkinson
* @author Eddú Meléndez
* @author Venil Noronha
* @see #setPort(int)
* @see #setConfigurations(Collection)
* @see JettyEmbeddedServletContainer
@@ -108,6 +109,16 @@ public class JettyEmbeddedServletContainerFactory
private boolean useForwardHeaders;
/**
* The number of acceptor threads to use.
*/
private int acceptors = -1;
/**
* The number of selector threads to use.
*/
private int selectors = -1;
private List<JettyServerCustomizer> jettyServerCustomizers = new ArrayList<JettyServerCustomizer>();
private ResourceLoader resourceLoader;
@@ -143,7 +154,7 @@ public class JettyEmbeddedServletContainerFactory
ServletContextInitializer... initializers) {
JettyEmbeddedWebAppContext context = new JettyEmbeddedWebAppContext();
int port = (getPort() >= 0 ? getPort() : 0);
Server server = new Server(new InetSocketAddress(getAddress(), port));
Server server = createServer(port);
configureWebAppContext(context, initializers);
server.setHandler(addHandlerWrappers(context));
this.logger.info("Server initialized with port: " + port);
@@ -163,6 +174,21 @@ public class JettyEmbeddedServletContainerFactory
return getJettyEmbeddedServletContainer(server);
}
private Server createServer(int port) {
Server server = new Server();
server.setConnectors(new Connector[] { createConnector(port, server) });
return server;
}
private ServerConnector createConnector(int port, Server server) {
ServerConnector connector = new ServerConnector(server, this.acceptors,
this.selectors);
InetSocketAddress address = new InetSocketAddress(getAddress(), port);
connector.setHost(address.getHostName());
connector.setPort(address.getPort());
return connector;
}
private Handler addHandlerWrappers(Handler handler) {
if (getCompression() != null && getCompression().getEnabled()) {
handler = applyWrapper(handler, createGzipHandler());
@@ -489,6 +515,24 @@ public class JettyEmbeddedServletContainerFactory
this.useForwardHeaders = useForwardHeaders;
}
/**
* Set the number of acceptor threads to use.
* @param acceptors the number of acceptor threads to use
* @since 1.4.0
*/
public void setAcceptors(int acceptors) {
this.acceptors = acceptors;
}
/**
* Set the number of selector threads to use.
* @param selectors the number of selector threads to use
* @since 1.4.0
*/
public void setSelectors(int selectors) {
this.selectors = selectors;
}
/**
* Sets {@link JettyServerCustomizer}s that will be applied to the {@link Server}
* before it is started. Calling this method will replace any existing configurations.