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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package mux | ||
|
|
||
| import ( | ||
| "encoding/binary" | ||
|
|
||
| "github.com/sagernet/sing/common/buf" | ||
| M "github.com/sagernet/sing/common/metadata" | ||
| N "github.com/sagernet/sing/common/network" | ||
| ) | ||
|
|
||
| var _ N.PacketReadWaiter = (*clientPacketConn)(nil) | ||
|
|
||
| func (c *clientPacketConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) { | ||
| c.readWaitOptions = options | ||
| return false | ||
| } | ||
|
|
||
| func (c *clientPacketConn) WaitReadPacket() (buffer *buf.Buffer, destination M.Socksaddr, err error) { | ||
| if !c.responseRead { | ||
| err = c.readResponse() | ||
| if err != nil { | ||
| return | ||
| } | ||
| c.responseRead = true | ||
| } | ||
| var length uint16 | ||
| err = binary.Read(c.conn, binary.BigEndian, &length) | ||
| if err != nil { | ||
| return | ||
| } | ||
| buffer = c.readWaitOptions.NewPacketBuffer() | ||
| _, err = buffer.ReadFullFrom(c.conn, int(length)) | ||
| if err != nil { | ||
| buffer.Release() | ||
| return nil, M.Socksaddr{}, err | ||
| } | ||
| c.readWaitOptions.PostReturn(buffer) | ||
| return | ||
| } | ||
|
|
||
| var _ N.PacketReadWaiter = (*clientPacketAddrConn)(nil) | ||
|
|
||
| func (c *clientPacketAddrConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) { | ||
| c.readWaitOptions = options | ||
| return false | ||
| } | ||
|
|
||
| func (c *clientPacketAddrConn) WaitReadPacket() (buffer *buf.Buffer, destination M.Socksaddr, err error) { | ||
| if !c.responseRead { | ||
| err = c.readResponse() | ||
| if err != nil { | ||
| return | ||
| } | ||
| c.responseRead = true | ||
| } | ||
| destination, err = M.SocksaddrSerializer.ReadAddrPort(c.conn) | ||
| if err != nil { | ||
| return | ||
| } | ||
| var length uint16 | ||
| err = binary.Read(c.conn, binary.BigEndian, &length) | ||
| if err != nil { | ||
| return | ||
| } | ||
| buffer = c.readWaitOptions.NewPacketBuffer() | ||
| _, err = buffer.ReadFullFrom(c.conn, int(length)) | ||
| if err != nil { | ||
| buffer.Release() | ||
| return nil, M.Socksaddr{}, err | ||
| } | ||
| c.readWaitOptions.PostReturn(buffer) | ||
| return | ||
| } |
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