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73 lines
1.3 KiB
73 lines
1.3 KiB
// +build !wasm
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package buf_test
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import (
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"crypto/rand"
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"net"
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"testing"
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"github.com/google/go-cmp/cmp"
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"golang.org/x/sync/errgroup"
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"v2ray.com/core/common"
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. "v2ray.com/core/common/buf"
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"v2ray.com/core/testing/servers/tcp"
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)
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func TestReadvReader(t *testing.T) {
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tcpServer := &tcp.Server{
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MsgProcessor: func(b []byte) []byte {
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return b
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},
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}
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dest, err := tcpServer.Start()
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common.Must(err)
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defer tcpServer.Close() // nolint: errcheck
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conn, err := net.Dial("tcp", dest.NetAddr())
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common.Must(err)
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defer conn.Close() // nolint: errcheck
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const size = 8192
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data := make([]byte, 8192)
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common.Must2(rand.Read(data))
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var errg errgroup.Group
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errg.Go(func() error {
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writer := NewWriter(conn)
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mb := MergeBytes(nil, data)
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return writer.WriteMultiBuffer(mb)
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})
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defer func() {
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if err := errg.Wait(); err != nil {
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t.Error(err)
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}
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}()
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rawConn, err := conn.(*net.TCPConn).SyscallConn()
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common.Must(err)
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reader := NewReadVReader(conn, rawConn)
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var rmb MultiBuffer
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for {
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mb, err := reader.ReadMultiBuffer()
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if err != nil {
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t.Fatal("unexpected error: ", err)
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}
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rmb, _ = MergeMulti(rmb, mb)
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if rmb.Len() == size {
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break
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}
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}
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rdata := make([]byte, size)
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SplitBytes(rmb, rdata)
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if r := cmp.Diff(data, rdata); r != "" {
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t.Fatal(r)
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}
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}
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