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Chore: adjust Relay copy memory alloc logic

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This commit is contained in:
Dreamacro 2022-06-11 20:38:16 +08:00
parent 09d49bac95
commit 06d75da257
1 changed files with 2 additions and 8 deletions
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10
common/net/relay.go
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@ -4,8 +4,6 @@ import (
"io"
"net"
"time"
"github.com/Dreamacro/clash/common/pool"
)
// Relay copies between left and right bidirectionally.
@ -13,18 +11,14 @@ func Relay(leftConn, rightConn net.Conn) {
ch := make(chan error)
go func() {
buf := pool.Get(pool.RelayBufferSize)
// Wrapping to avoid using *net.TCPConn.(ReadFrom)
// See also https://github.com/Dreamacro/clash/pull/1209
_, err := io.CopyBuffer(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn}, buf)
pool.Put(buf)
_, err := io.Copy(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn})
leftConn.SetReadDeadline(time.Now())
ch <- err
}()
buf := pool.Get(pool.RelayBufferSize)
io.CopyBuffer(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn}, buf)
pool.Put(buf)
io.Copy(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn})
rightConn.SetReadDeadline(time.Now())
<-ch
}