Package org.springframework.boot.web.embedded.netty

Class NettyWebServer

java.lang.Object

org.springframework.boot.web.embedded.netty.NettyWebServer

All Implemented Interfaces:

WebServer

public class NettyWebServer
extends Object
implements WebServer

WebServer that can be used to control a Reactor Netty web server. Usually this class should be created using the NettyReactiveWebServerFactory and not directly.

Since:

2.0.0

Author:

Brian Clozel, Madhura Bhave, Andy Wilkinson

Constructor Summary

Constructors

Constructor	Description
NettyWebServer(reactor.netty.http.server.HttpServer httpServer, ReactorHttpHandlerAdapter handlerAdapter, Duration lifecycleTimeout, Shutdown shutdown, ReactorResourceFactory resourceFactory)	Creates a new NettyWebServer instance.

Method Summary

Modifier and Type	Method	Description
int	getPort()	Return the port this server is listening on.
protected String	getStartedLogMessage()
void	setRouteProviders(List<NettyRouteProvider> routeProviders)
void	shutDownGracefully(GracefulShutdownCallback callback)	Initiates a graceful shutdown of the Netty web server.
void	start()	Starts the web server.
void	stop()	Stops the web server.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.springframework.boot.web.server.WebServer

destroy

Constructor Details

NettyWebServer

public NettyWebServer(reactor.netty.http.server.HttpServer httpServer,
 ReactorHttpHandlerAdapter handlerAdapter,
 Duration lifecycleTimeout,
 Shutdown shutdown,
 ReactorResourceFactory resourceFactory)

Creates a new NettyWebServer instance.

Parameters:

httpServer - the HTTP server

handlerAdapter - the handler adapter

lifecycleTimeout - the lifecycle timeout, may be null

shutdown - the shutdown, may be null

resourceFactory - the factory for the server's loop resources, may be null

Since:

3.2.0

Method Details

setRouteProviders

public void setRouteProviders(List<NettyRouteProvider> routeProviders)

start

public void start()
           throws WebServerException

Description copied from interface: WebServer

Starts the web server. Calling this method on an already started server has no effect.

Specified by:

start in interface WebServer

Throws:

WebServerException - if the server cannot be started

getStartedLogMessage

protected String getStartedLogMessage()

shutDownGracefully

public void shutDownGracefully(GracefulShutdownCallback callback)

Initiates a graceful shutdown of the Netty web server. Handling of new requests is prevented and the given callback is invoked at the end of the attempt. The attempt can be explicitly ended by invoking stop().

Once shutdown has been initiated Netty will reject any new connections. Requests + on existing idle connections will also be rejected.

Specified by:

shutDownGracefully in interface WebServer

Parameters:

callback - the callback to invoke when the graceful shutdown completes

stop

public void stop()
          throws WebServerException

Description copied from interface: WebServer

Stops the web server. Calling this method on an already stopped server has no effect.

Specified by:

stop in interface WebServer

Throws:

WebServerException - if the server cannot be stopped

getPort

public int getPort()

Description copied from interface: WebServer

Return the port this server is listening on.

Specified by:

getPort in interface WebServer

Returns:

the port (or -1 if none)