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Fix grpc lite transport encoding

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世界 2024-01-01 16:13:50 +08:00
parent 87c6fd4c0f
commit c506255e0f
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GPG key ID: CD109927C34A63C4
1 changed files with 19 additions and 18 deletions
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37
transport/v2raygrpclite/conn.go
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@ -2,19 +2,16 @@ package v2raygrpclite
import (
std_bufio "bufio"
"bytes"
"encoding/binary"
"io"
"net"
"net/http"
"os"
"sync"
"time"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/baderror"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
"github.com/sagernet/sing/common/rw"
)
@ -30,7 +27,6 @@ type GunConn struct {
create chan struct{}
err error
readRemaining int
writeAccess sync.Mutex
}
func newGunConn(reader io.Reader, writer io.Writer, flusher http.Flusher) *GunConn {
@ -100,19 +96,22 @@ func (c *GunConn) read(b []byte) (n int, err error) {
}
func (c *GunConn) Write(b []byte) (n int, err error) {
protobufHeader := [1 + binary.MaxVarintLen64]byte{0x0A}
varuintLen := binary.PutUvarint(protobufHeader[1:], uint64(len(b)))
grpcHeader := buf.Get(5)
grpcPayloadLen := uint32(1 + varuintLen + len(b))
binary.BigEndian.PutUint32(grpcHeader[1:5], grpcPayloadLen)
c.writeAccess.Lock()
_, err = bufio.Copy(c.writer, io.MultiReader(bytes.NewReader(grpcHeader), bytes.NewReader(protobufHeader[:varuintLen+1]), bytes.NewReader(b)))
c.writeAccess.Unlock()
buf.Put(grpcHeader)
if err == nil && c.flusher != nil {
varLen := rw.UVariantLen(uint64(len(b)))
buffer := buf.NewSize(6 + varLen + len(b))
header := buffer.Extend(6 + varLen)
header[0] = 0x00
binary.BigEndian.PutUint32(header[1:5], uint32(1+varLen+len(b)))
header[5] = 0x0A
binary.PutUvarint(header[6:], uint64(len(b)))
common.Must1(buffer.Write(b))
_, err = c.writer.Write(buffer.Bytes())
if err != nil {
return 0, baderror.WrapH2(err)
}
if c.flusher != nil {
c.flusher.Flush()
}
return len(b), baderror.WrapH2(err)
return len(b), nil
}
func (c *GunConn) WriteBuffer(buffer *buf.Buffer) error {
@ -120,16 +119,18 @@ func (c *GunConn) WriteBuffer(buffer *buf.Buffer) error {
dataLen := buffer.Len()
varLen := rw.UVariantLen(uint64(dataLen))
header := buffer.ExtendHeader(6 + varLen)
_ = header[6]
header[0] = 0x00
binary.BigEndian.PutUint32(header[1:5], uint32(1+varLen+dataLen))
header[5] = 0x0A
binary.PutUvarint(header[6:], uint64(dataLen))
err := rw.WriteBytes(c.writer, buffer.Bytes())
if err == nil && c.flusher != nil {
if err != nil {
return baderror.WrapH2(err)
}
if c.flusher != nil {
c.flusher.Flush()
}
return baderror.WrapH2(err)
return nil
}
func (c *GunConn) FrontHeadroom() int {