xjasonlyu/tun2socks

// 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)
}