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package hook
import (
"compress/flate"
"io"
"tunnel/pkg/server/env"
"tunnel/pkg/server/opts"
"tunnel/pkg/server/queue"
)
type zipHook struct{}
func (zipHook) Send(rq, wq queue.Q) error {
w, err := flate.NewWriter(wq.Writer(), flate.BestCompression)
if err != nil {
return err
}
for b := range rq {
if _, err := w.Write(b); err != nil {
return err
}
if err := w.Flush(); err != nil {
return err
}
}
return w.Close()
}
func (zipHook) Recv(rq, wq queue.Q) error {
r := flate.NewReader(rq.Reader())
// FIXME: not received ending due to ultimate conn.Close
if err := queue.IoCopy(r, wq.Writer()); err != nil {
if err == io.ErrUnexpectedEOF {
return nil
}
return err
}
return r.Close()
}
func (h zipHook) Open(env.Env) (interface{}, error) {
return h, nil
}
func newZipHook(opts.Opts, env.Env) (hook, error) {
return zipHook{}, nil
}
func init() {
register("zip", newZipHook)
}
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