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|
package socket
import (
"tunnel/pkg/server/env"
"tunnel/pkg/server/queue"
)
type deferSocket struct {
S
}
type deferChannel struct {
s *deferSocket
c chan Channel
e env.Env
}
func newDeferSocket(proto, addr string) (S, error) {
s, err := newDialSocket(proto, addr)
if err != nil {
return s, err
}
return &deferSocket{s}, nil
}
func (s *deferSocket) Open(env env.Env) (Channel, error) {
c := &deferChannel{
s: s,
c: make(chan Channel),
e: env,
}
return c, nil
}
func (c *deferChannel) String() string {
return "defer"
}
func (c *deferChannel) Send(wq queue.Q) error {
if x := <-c.c; x == nil {
return nil
} else {
return x.Send(wq)
}
}
func (c *deferChannel) Recv(rq queue.Q) error {
b := <-rq
if b == nil {
close(c.c)
return nil
}
x, err := c.s.S.Open(c.e)
if err != nil {
close(c.c)
return err
}
c.c <- x
q := queue.New()
go func() {
q <- b
queue.Copy(rq, q)
close(q)
}()
defer q.Dry()
return x.Recv(q)
}
/* TODO */
func (c *deferChannel) Close() error {
return nil
}
|
