// Package pool provides a pool of []byte.
package pool

const (
	// MaxSegmentSize is the largest possible UDP datagram size.
	MaxSegmentSize = (1 << 16) - 1

	// RelayBufferSize is a buffer of 20 KiB to reduce the memory
	// of each TCP relay as io.Copy default buffer size is 32 KiB,
	// but the maximum packet size of vmess/shadowsocks is about
	// 16 KiB, so define .
	RelayBufferSize = 20 << 10
)

// Get gets a []byte from default allocator with most appropriate cap.
func Get(size int) []byte {
	return _allocator.Get(size)
}

// Put returns a []byte to default allocator for future use.
func Put(buf []byte) error {
	return _allocator.Put(buf)
}