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method_wait.go
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method_wait.go
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package shadowaead
import (
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
var _ N.ReadWaiter = (*clientConn)(nil)
func (c *clientConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) {
if c.reader == nil {
c.readWaitOptions = options
return options.NeedHeadroom()
}
return c.reader.InitializeReadWaiter(options)
}
func (c *clientConn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
if c.reader == nil {
err = c.readResponse()
if err != nil {
return
}
}
return c.reader.WaitReadBuffer()
}
var _ N.PacketReadWaitCreator = (*clientPacketConn)(nil)
func (c *clientPacketConn) CreateReadWaiter() (N.PacketReadWaiter, bool) {
readWaiter, isReadWaiter := bufio.CreateReadWaiter(c.reader)
if !isReadWaiter {
return nil, false
}
return &clientPacketReadWaiter{c, readWaiter}, true
}
var _ N.PacketReadWaiter = (*clientPacketReadWaiter)(nil)
type clientPacketReadWaiter struct {
*clientPacketConn
readWaiter N.ReadWaiter
}
func (w *clientPacketReadWaiter) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) {
return w.readWaiter.InitializeReadWaiter(options)
}
func (w *clientPacketReadWaiter) WaitReadPacket() (buffer *buf.Buffer, destination M.Socksaddr, err error) {
buffer, err = w.readWaiter.WaitReadBuffer()
if err != nil {
return
}
destination, err = w.readPacket(buffer)
if err != nil {
buffer.Release()
return nil, M.Socksaddr{}, err
}
return
}