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pipeline.go
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pipeline.go
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// Copyright (c) 2022 Kai Luo <gluokai@gmail.com>. All rights reserved.
package relayer
import (
"net"
"github.com/bzEq/bxrx/core"
"github.com/bzEq/bxrx/pass"
)
func createRandomCodec() (*pass.RandomEncoder, *pass.RandomDecoder) {
enc := &pass.RandomEncoder{}
dec := &pass.RandomDecoder{}
{
pmb := &core.PackUnpackPassManagerBuilder{}
pmb.AddPairedPasses(&pass.TailPaddingEncoder{}, &pass.TailPaddingDecoder{})
pmb.AddPairedPasses(&pass.OBFSEncoder{}, &pass.OBFSDecoder{})
enc.AddPM(pmb.BuildPackPassManager())
dec.AddPM(pmb.BuildUnpackPassManager())
}
{
pmb := &core.PackUnpackPassManagerBuilder{}
pmb.AddPairedPasses(&pass.TailPaddingEncoder{}, &pass.TailPaddingDecoder{})
pmb.AddPairedPasses(&pass.OBFSEncoder{}, &pass.OBFSDecoder{})
pmb.AddPairedPasses(&pass.TailPaddingEncoder{}, &pass.TailPaddingDecoder{})
enc.AddPM(pmb.BuildPackPassManager())
dec.AddPM(pmb.BuildUnpackPassManager())
}
{
pmb := &core.PackUnpackPassManagerBuilder{}
pmb.AddPairedPasses(&pass.OBFSEncoder{}, &pass.OBFSDecoder{})
enc.AddPM(pmb.BuildPackPassManager())
dec.AddPM(pmb.BuildUnpackPassManager())
}
{
pmb := &core.PackUnpackPassManagerBuilder{}
pmb.AddPairedPasses(&pass.OBFSEncoder{}, &pass.OBFSDecoder{})
pmb.AddPairedPasses(&pass.TailPaddingEncoder{}, &pass.TailPaddingDecoder{})
enc.AddPM(pmb.BuildPackPassManager())
dec.AddPM(pmb.BuildUnpackPassManager())
}
return enc, dec
}
type Pipeline struct{}
func (self *Pipeline) Create(c net.Conn) core.Port {
enc, dec := createRandomCodec()
pack := &core.PassManager{}
unpack := &core.PassManager{}
pack.AddPass(enc).AddPass(pass.NewHTTPEncoder(c))
unpack.AddPass(pass.NewHTTPDecoder(c)).AddPass(dec)
return core.NewNetPort(c, pack, unpack)
}