Package com.couchbase.client.dcp.transport.netty

Class DcpConnectHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.SimpleChannelInboundHandler<T>

com.couchbase.client.dcp.transport.netty.DcpConnectHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler

public class DcpConnectHandler
extends io.netty.channel.SimpleChannelInboundHandler<T>

Opens the DCP connection on the channel and once established removes itself.

Nested Class Summary

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Method Summary

Modifier and Type	Method	Description
void	bind(io.netty.channel.ChannelHandlerContext ctx, SocketAddress localAddress, io.netty.channel.ChannelPromise promise)
void	channelActive(io.netty.channel.ChannelHandlerContext ctx)	Assigns a name to the connection and starts the first connection step.
void	channelInactive(io.netty.channel.ChannelHandlerContext ctx)
protected void	channelRead0(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf msg)	Once we get a response from the connect request, check if it is successful and complete/fail the connect phase accordingly.
void	close(io.netty.channel.ChannelHandlerContext ctx, io.netty.channel.ChannelPromise promise)
void	connect(io.netty.channel.ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress, io.netty.channel.ChannelPromise promise)	Intercept the connect phase and store the original promise.
void	deregister(io.netty.channel.ChannelHandlerContext ctx, io.netty.channel.ChannelPromise promise)
void	disconnect(io.netty.channel.ChannelHandlerContext ctx, io.netty.channel.ChannelPromise promise)
void	exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)
void	flush(io.netty.channel.ChannelHandlerContext ctx)
static Set<HelloFeature>	getFeatures(io.netty.channel.Channel channel)	Returns the features from the HELO response (the intersection of the features we advertised and the features supported by the server).
static Version	getServerVersion(io.netty.channel.Channel channel)	Returns the Couchbase Server version associated with the given channel.
void	read(io.netty.channel.ChannelHandlerContext ctx)
void	userEventTriggered(io.netty.channel.ChannelHandlerContext ctx, Object evt)
void	write(io.netty.channel.ChannelHandlerContext ctx, Object msg, io.netty.channel.ChannelPromise promise)

Methods inherited from class io.netty.channel.SimpleChannelInboundHandler

acceptInboundMessage, channelRead

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Method Details

getServerVersion

public static Version getServerVersion(io.netty.channel.Channel channel)

Returns the Couchbase Server version associated with the given channel.

Throws:

IllegalStateException - if DcpConnectHandler has not yet issued a Version request and processed the result.

getFeatures

public static Set<HelloFeature> getFeatures(io.netty.channel.Channel channel)

Returns the features from the HELO response (the intersection of the features we advertised and the features supported by the server).

Throws:

IllegalStateException - if DcpConnectHandler has not yet issued a HELO request and processed the result.

channelActive

public void channelActive(io.netty.channel.ChannelHandlerContext ctx)
                   throws Exception

Assigns a name to the connection and starts the first connection step.

Specified by:

channelActive in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelActive in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

channelRead0

protected void channelRead0(io.netty.channel.ChannelHandlerContext ctx,
 io.netty.buffer.ByteBuf msg)
                     throws Exception

Once we get a response from the connect request, check if it is successful and complete/fail the connect phase accordingly.

Specified by:

channelRead0 in class io.netty.channel.SimpleChannelInboundHandler<io.netty.buffer.ByteBuf>

Throws:

Exception

connect

public void connect(io.netty.channel.ChannelHandlerContext ctx,
 SocketAddress remoteAddress,
 SocketAddress localAddress,
 io.netty.channel.ChannelPromise promise)
             throws Exception

Intercept the connect phase and store the original promise.

Specified by:

connect in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

bind

public void bind(io.netty.channel.ChannelHandlerContext ctx,
 SocketAddress localAddress,
 io.netty.channel.ChannelPromise promise)
          throws Exception

Specified by:

bind in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

disconnect

public void disconnect(io.netty.channel.ChannelHandlerContext ctx,
 io.netty.channel.ChannelPromise promise)
                throws Exception

Specified by:

disconnect in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

close

public void close(io.netty.channel.ChannelHandlerContext ctx,
 io.netty.channel.ChannelPromise promise)
           throws Exception

Specified by:

close in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

deregister

public void deregister(io.netty.channel.ChannelHandlerContext ctx,
 io.netty.channel.ChannelPromise promise)
                throws Exception

Specified by:

deregister in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

read

public void read(io.netty.channel.ChannelHandlerContext ctx)
          throws Exception

Specified by:

read in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

write

public void write(io.netty.channel.ChannelHandlerContext ctx,
 Object msg,
 io.netty.channel.ChannelPromise promise)
           throws Exception

Specified by:

write in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

flush

public void flush(io.netty.channel.ChannelHandlerContext ctx)
           throws Exception

Specified by:

flush in interface io.netty.channel.ChannelOutboundHandler

Throws:

Exception

exceptionCaught

public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx,
 Throwable cause)
                     throws Exception

Specified by:

exceptionCaught in interface io.netty.channel.ChannelHandler

Specified by:

exceptionCaught in interface io.netty.channel.ChannelInboundHandler

Overrides:

exceptionCaught in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

userEventTriggered

public void userEventTriggered(io.netty.channel.ChannelHandlerContext ctx,
 Object evt)
                        throws Exception

Specified by:

userEventTriggered in interface io.netty.channel.ChannelInboundHandler

Overrides:

userEventTriggered in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

channelInactive

public void channelInactive(io.netty.channel.ChannelHandlerContext ctx)
                     throws Exception

Specified by:

channelInactive in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelInactive in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception