List of Figures

Chapter 1. Netty—asynchronous and event-driven

Figure 1.1. Multiple connections using blocking I/O

Figure 1.2. Non-blocking I/O using Selector

Figure 1.3. Inbound and outbound events flowing through a chain of ChannelHandlers

Chapter 2. Your first Netty application

Figure 2.1. Echo client and server

Chapter 3. Netty components and design

Figure 3.1. Channels, EventLoops, and EventLoopGroups

Figure 3.2. ChannelHandler class hierarchy

Figure 3.3. ChannelPipeline with inbound and outbound ChannelHandlers

Figure 3.4. Server with two EventLoopGroups

Chapter 4. Transports

Figure 4.1. Channel interface hierarchy

Figure 4.2. Selecting and processing state changes

Figure 4.3. OIO processing logic

Chapter 5. ByteBuf

Figure 5.1. A 16-byte ByteBuf with its indices set to 0

Figure 5.2. CompositeByteBuf holding a header and body

Figure 5.3. ByteBuf internal segmentation

Figure 5.4. ByteBuf after discarding read bytes

Figure 5.5. Before clear() is called

Figure 5.6. After clear() is called

Chapter 6. ChannelHandler and ChannelPipeline

Figure 6.1. Channel state model

Figure 6.2. ChannelHandlerAdapter class hierarchy

Figure 6.3. ChannelPipeline and ChannelHandlers

Figure 6.4. The relationships among Channel, ChannelPipeline, ChannelHandler, and ChannelHandlerContext

Figure 6.5. Event propagation via the Channel or the ChannelPipeline

Figure 6.6. Event flow for operations triggered via the ChannelHandlerContext

Chapter 7. EventLoop and threading model

Figure 7.1. Executor execution logic