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61 lines
1.0 KiB
61 lines
1.0 KiB
package kcp
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type SendingQueue struct {
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start uint32
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cap uint32
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len uint32
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list []*DataSegment
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}
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func NewSendingQueue(size uint32) *SendingQueue {
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return &SendingQueue{
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start: 0,
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cap: size,
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list: make([]*DataSegment, size),
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len: 0,
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}
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}
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func (this *SendingQueue) IsFull() bool {
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return this.len == this.cap
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}
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func (this *SendingQueue) IsEmpty() bool {
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return this.len == 0
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}
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func (this *SendingQueue) Pop() *DataSegment {
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if this.IsEmpty() {
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return nil
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}
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seg := this.list[this.start]
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this.list[this.start] = nil
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this.len--
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this.start++
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if this.start == this.cap {
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this.start = 0
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}
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return seg
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}
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func (this *SendingQueue) Push(seg *DataSegment) {
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if this.IsFull() {
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return
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}
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this.list[(this.start+this.len)%this.cap] = seg
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this.len++
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}
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func (this *SendingQueue) Clear() {
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for i := uint32(0); i < this.len; i++ {
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this.list[(i+this.start)%this.cap].Release()
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this.list[(i+this.start)%this.cap] = nil
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}
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this.start = 0
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this.len = 0
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}
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func (this *SendingQueue) Len() uint32 {
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return this.len
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}
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