gost/pkg/connector/ss/udp/metadata.go
2021-11-19 15:48:03 +08:00

50 lines
934 B
Go

package ss
import (
"time"
"github.com/go-gost/gost/pkg/common/util/ss"
md "github.com/go-gost/gost/pkg/metadata"
"github.com/shadowsocks/go-shadowsocks2/core"
)
type metadata struct {
cipher core.Cipher
connectTimeout time.Duration
udpBufferSize int
}
func (c *ssuConnector) parseMetadata(md md.Metadata) (err error) {
const (
method = "method"
password = "password"
key = "key"
connectTimeout = "timeout"
udpBufferSize = "udpBufferSize" // udp buffer size
)
c.md.cipher, err = ss.ShadowCipher(
md.GetString(method),
md.GetString(password),
md.GetString(key),
)
if err != nil {
return
}
c.md.connectTimeout = md.GetDuration(connectTimeout)
if c.md.udpBufferSize > 0 {
if c.md.udpBufferSize < 512 {
c.md.udpBufferSize = 512
}
if c.md.udpBufferSize > 65*1024 {
c.md.udpBufferSize = 65 * 1024
}
} else {
c.md.udpBufferSize = 4096
}
return
}