move queue impl, make queue push panic on closed

internal/queue/queue.go

@@ -1,84 +0,0 @@
-package queue
-
-import (
-	"container/list"
-	"sync"
-	"sync/atomic"
-)
-
-type Queue[T any] interface {
-	Push(v T)
-	Pull() (v T, ok bool)
-	Close()
-}
-
-func NewLinkedQueue[T any]() (p Queue[T]) {
-	p = &LinkedListPacketQueue[T]{
-		queue: list.New(),
-		cond:  sync.Cond{L: new(sync.Mutex)},
-	}
-	return p
-}
-
-type LinkedListPacketQueue[T any] struct {
-	queue  *list.List
-	closed bool
-	cond   sync.Cond
-}
-
-func (p *LinkedListPacketQueue[T]) Push(v T) {
-	p.cond.L.Lock()
-	if !p.closed {
-		p.queue.PushBack(v)
-	}
-	p.cond.Signal()
-	p.cond.L.Unlock()
-}
-
-func (p *LinkedListPacketQueue[T]) Pull() (v T, ok bool) {
-	p.cond.L.Lock()
-	defer p.cond.L.Unlock()
-	for p.queue.Front() == nil && !p.closed {
-		p.cond.Wait()
-	}
-	if p.closed {
-		return
-	}
-	v = p.queue.Remove(p.queue.Front()).(T)
-	ok = true
-	return
-}
-
-func (p *LinkedListPacketQueue[T]) Close() {
-	p.cond.L.Lock()
-	p.closed = true
-	p.cond.Broadcast()
-	p.cond.L.Unlock()
-}
-
-type ChannelPacketQueue[T any] struct {
-	c      chan T
-	closed atomic.Bool
-}
-
-func (c ChannelPacketQueue[T]) Push(v T) {
-	if c.closed.Load() {
-		return
-	}
-	select {
-	case c.c <- v:
-	default:
-		c.closed.Store(true)
-	}
-}
-
-func (c ChannelPacketQueue[T]) Pull() (v T, ok bool) {
-	if !c.closed.Load() {
-		v, ok = <-c.c
-	}
-	return
-}
-
-func (c ChannelPacketQueue[T]) Close() {
-	c.closed.Store(true)
-}