Called when an user outbound event is triggered.
func triggerUserOutboundEvent(context: ChannelHandlerContext, event: Any, promise: EventLoopPromise<Void>?) s7NIOCore23_ChannelOutboundHandlerP011triggerUserC5Event7context5event7promiseyAA0bD7ContextC_ypAA0G11LoopPromiseVyytGSgtF What are these?EQIEThis should call context.triggerUserOutboundEvent to forward the operation to the next _ChannelOutboundHandler in the ChannelPipeline or complete the EventLoopPromise to let the caller know that the operation completed.
import NIOCoreThe core abstractions that make up SwiftNIO.
protocol _ChannelOutboundHandler : ChannelHandlerUntyped ChannelHandler which handles outbound I/O events or intercept an outbound I/O operation.
final class ChannelHandlerContextEvery ChannelHandler has – when added to a ChannelPipeline – a corresponding ChannelHandlerContext which is the way ChannelHandlers can interact with other ChannelHandlers in the pipeline.
struct EventLoopPromise<Value>A promise to provide a result later.
typealias Void = ()The return type of functions that don’t explicitly specify a return type, that is, an empty tuple ().
func bind(context: ChannelHandlerContext, to: SocketAddress, promise: EventLoopPromise<Void>?) Called to request that the Channel bind to a specific SocketAddress.
func close(context: ChannelHandlerContext, mode: CloseMode, promise: EventLoopPromise<Void>?) Called to request that the Channel close itself down.
func connect(context: ChannelHandlerContext, to: SocketAddress, promise: EventLoopPromise<Void>?) Called to request that the Channel connect to a given SocketAddress.
func flush(context: ChannelHandlerContext) Called to request that the Channel flush all pending writes. The flush operation will try to flush out all previous written messages that are pending.
func read(context: ChannelHandlerContext) Called to request that the Channel perform a read when data is ready. The read operation will signal that we are ready to read more data.
func register(context: ChannelHandlerContext, promise: EventLoopPromise<Void>?) Called to request that the Channel register itself for I/O events with its EventLoop. This should call context.register to forward the operation to the next _ChannelOutboundHandler in the ChannelPipeline or complete the EventLoopPromise to let the caller know that the operation completed.
func write(context: ChannelHandlerContext, data: NIOAny, promise: EventLoopPromise<Void>?) Called to request a write operation. The write operation will write the messages through the ChannelPipeline. Those are then ready to be flushed to the actual Channel when Channel.flush or ChannelHandlerContext.flush is called.
func triggerUserOutboundEvent(context: ChannelHandlerContext, event: Any, promise: EventLoopPromise<Void>?)