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handlercontext.go
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/
handlercontext.go
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package channel
import (
"net"
"github.com/kklab-com/goth-kklogger"
kkpanic "github.com/kklab-com/goth-panic"
)
type HandlerContext interface {
Name() string
Channel() Channel
FireRegistered() HandlerContext
FireUnregistered() HandlerContext
FireActive() HandlerContext
FireInactive() HandlerContext
FireRead(obj interface{}) HandlerContext
FireReadCompleted() HandlerContext
FireErrorCaught(err error) HandlerContext
Write(obj interface{}, future Future) Future
Bind(localAddr net.Addr, future Future) Future
Close(future Future) Future
Connect(localAddr net.Addr, remoteAddr net.Addr, future Future) Future
Disconnect(future Future) Future
Deregister(future Future) Future
prev() HandlerContext
setPrev(prev HandlerContext) HandlerContext
next() HandlerContext
setNext(prev HandlerContext) HandlerContext
deferErrorCaught()
handler() Handler
read() HandlerContext
}
type DefaultHandlerContext struct {
name string
pipeline Pipeline
_handler Handler
nextCtx HandlerContext
prevCtx HandlerContext
}
func (d *DefaultHandlerContext) setPrev(prev HandlerContext) HandlerContext {
d.prevCtx = prev
return d
}
func (d *DefaultHandlerContext) next() HandlerContext {
return d.nextCtx
}
func (d *DefaultHandlerContext) setNext(next HandlerContext) HandlerContext {
d.nextCtx = next
return d
}
func (d *DefaultHandlerContext) handler() Handler {
return d._handler
}
func NewHandlerContext() *DefaultHandlerContext {
context := new(DefaultHandlerContext)
return context
}
func (d *DefaultHandlerContext) Name() string {
return d.name
}
func (d *DefaultHandlerContext) Channel() Channel {
return d.pipeline.Channel()
}
func (d *DefaultHandlerContext) FireRegistered() HandlerContext {
if d.next() != nil {
defer d.next().deferErrorCaught()
d.next().handler().Registered(d.next())
}
return d
}
func (d *DefaultHandlerContext) FireUnregistered() HandlerContext {
if d.next() != nil {
defer d.next().deferErrorCaught()
d.next().handler().Unregistered(d.next())
}
return d
}
func (d *DefaultHandlerContext) FireActive() HandlerContext {
if d.next() != nil {
defer d.next().deferErrorCaught()
d.next().handler().Active(d.next())
}
return d
}
func (d *DefaultHandlerContext) FireInactive() HandlerContext {
if d.next() != nil {
defer d.next().deferErrorCaught()
d.next().handler().Inactive(d.next())
}
return d
}
func (d *DefaultHandlerContext) FireRead(obj interface{}) HandlerContext {
if d.next() != nil {
defer d.next().deferErrorCaught()
d.next().handler().Read(d.next(), obj)
}
return d
}
func (d *DefaultHandlerContext) FireReadCompleted() HandlerContext {
if d.next() != nil {
defer d.next().deferErrorCaught()
d.next().handler().ReadCompleted(d.next())
}
return d
}
func (d *DefaultHandlerContext) FireErrorCaught(err error) HandlerContext {
if d.prev() != nil {
defer d.prev().deferErrorCaught()
d.prev().handler().ErrorCaught(d.prev(), err)
}
return d
}
func (d *DefaultHandlerContext) Write(obj interface{}, future Future) Future {
future = d.checkFuture(future)
if d.prev() != nil {
defer d.prev().deferErrorCaught()
d.prev().handler().Write(d.prev(), obj, future)
}
return future
}
func (d *DefaultHandlerContext) Bind(localAddr net.Addr, future Future) Future {
future = d.checkFuture(future)
if d.prev() != nil {
defer d.prev().deferErrorCaught()
d.prev().handler().Bind(d.prev(), localAddr, future)
}
return future
}
func (d *DefaultHandlerContext) Close(future Future) Future {
future = d.checkFuture(future)
if d.prev() != nil {
defer d.prev().deferErrorCaught()
d.prev().handler().Close(d.prev(), future)
}
return future
}
func (d *DefaultHandlerContext) Connect(localAddr net.Addr, remoteAddr net.Addr, future Future) Future {
future = d.checkFuture(future)
if d.prev() != nil {
defer d.prev().deferErrorCaught()
d.prev().handler().Connect(d.prev(), localAddr, remoteAddr, future)
}
return future
}
func (d *DefaultHandlerContext) Disconnect(future Future) Future {
future = d.checkFuture(future)
if d.prev() != nil {
defer d.prev().deferErrorCaught()
d.prev().handler().Disconnect(d.prev(), future)
}
return future
}
func (d *DefaultHandlerContext) Deregister(future Future) Future {
future = d.checkFuture(future)
if d.next() != nil {
defer d.next().deferErrorCaught()
d.next().handler().Deregister(d.next(), future)
}
return future
}
func (d *DefaultHandlerContext) prev() HandlerContext {
return d.prevCtx
}
func (d *DefaultHandlerContext) read() HandlerContext {
if d.prev() != nil {
defer d.prev().deferErrorCaught()
d.prev().handler().read(d.prev())
}
return d
}
func (d *DefaultHandlerContext) deferErrorCaught() {
if v := recover(); v != nil {
caught := kkpanic.Convert(v)
kklogger.ErrorJ("HandlerContext.ErrorCaught", caught.Error())
d.handler().ErrorCaught(d, caught)
}
}
func (d *DefaultHandlerContext) checkFuture(future Future) Future {
if future == nil {
future = d.Channel().Pipeline().NewFuture()
}
return future
}
type LogStruct struct {
Action string
Handler string
}