mirror of
https://github.com/xjasonlyu/tun2socks.git
synced 2025-10-05 08:47:00 +08:00
30 lines
795 B
Go
30 lines
795 B
Go
// Package buffer provides a pool of []byte.
|
|
package buffer
|
|
|
|
import (
|
|
"github.com/xjasonlyu/tun2socks/v2/buffer/allocator"
|
|
)
|
|
|
|
const (
|
|
// MaxSegmentSize is the largest possible UDP datagram size.
|
|
MaxSegmentSize = (1 << 16) - 1
|
|
|
|
// RelayBufferSize is the default buffer size for TCP relays.
|
|
// io.Copy default buffer size is 32 KiB, but the maximum packet
|
|
// size of vmess/shadowsocks is about 16 KiB, so define a buffer
|
|
// of 20 KiB to reduce the memory of each TCP relay.
|
|
RelayBufferSize = 20 << 10
|
|
)
|
|
|
|
var _allocator = allocator.New()
|
|
|
|
// 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)
|
|
}
|