package pool

import (
	"sync"
)

const PoolSize = 64 * 1024
const PoolSizeSmall = 100
const PoolSizeUdp = 1472
const PoolSizeCopy = 32 << 10

var BufPool = sync.Pool{
	New: func() interface{} {
		return make([]byte, PoolSize)
	},
}

var BufPoolUdp = sync.Pool{
	New: func() interface{} {
		return make([]byte, PoolSizeUdp)
	},
}
var BufPoolMax = sync.Pool{
	New: func() interface{} {
		return make([]byte, PoolSize)
	},
}
var BufPoolSmall = sync.Pool{
	New: func() interface{} {
		return make([]byte, PoolSizeSmall)
	},
}
var BufPoolCopy = sync.Pool{
	New: func() interface{} {
		return make([]byte, PoolSizeCopy)
	},
}

func PutBufPoolUdp(buf []byte) {
	if cap(buf) == PoolSizeUdp {
		BufPoolUdp.Put(buf[:PoolSizeUdp])
	}
}

func PutBufPoolCopy(buf []byte) {
	if cap(buf) == PoolSizeCopy {
		BufPoolCopy.Put(buf[:PoolSizeCopy])
	}
}

func PutBufPoolSmall(buf []byte) {
	if cap(buf) == PoolSizeSmall {
		BufPoolSmall.Put(buf[:PoolSizeSmall])
	}
}

func PutBufPoolMax(buf []byte) {
	if cap(buf) == PoolSize {
		BufPoolMax.Put(buf[:PoolSize])
	}
}