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87 lines
1.9 KiB
87 lines
1.9 KiB
package udp_test
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import (
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"context"
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"sync/atomic"
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"testing"
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"time"
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"v2ray.com/core/common"
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"v2ray.com/core/common/buf"
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"v2ray.com/core/common/net"
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"v2ray.com/core/common/protocol/udp"
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"v2ray.com/core/features/routing"
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"v2ray.com/core/transport"
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. "v2ray.com/core/transport/internet/udp"
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"v2ray.com/core/transport/pipe"
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)
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type TestDispatcher struct {
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OnDispatch func(ctx context.Context, dest net.Destination) (*transport.Link, error)
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}
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func (d *TestDispatcher) Dispatch(ctx context.Context, dest net.Destination) (*transport.Link, error) {
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return d.OnDispatch(ctx, dest)
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}
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func (d *TestDispatcher) Start() error {
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return nil
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}
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func (d *TestDispatcher) Close() error {
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return nil
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}
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func (*TestDispatcher) Type() interface{} {
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return routing.DispatcherType()
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}
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func TestSameDestinationDispatching(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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uplinkReader, uplinkWriter := pipe.New(pipe.WithSizeLimit(1024))
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downlinkReader, downlinkWriter := pipe.New(pipe.WithSizeLimit(1024))
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go func() {
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for {
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data, err := uplinkReader.ReadMultiBuffer()
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if err != nil {
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break
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}
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err = downlinkWriter.WriteMultiBuffer(data)
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common.Must(err)
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}
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}()
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var count uint32
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td := &TestDispatcher{
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OnDispatch: func(ctx context.Context, dest net.Destination) (*transport.Link, error) {
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atomic.AddUint32(&count, 1)
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return &transport.Link{Reader: downlinkReader, Writer: uplinkWriter}, nil
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},
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}
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dest := net.UDPDestination(net.LocalHostIP, 53)
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b := buf.New()
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b.WriteString("abcd")
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var msgCount uint32
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dispatcher := NewDispatcher(td, func(ctx context.Context, packet *udp.Packet) {
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atomic.AddUint32(&msgCount, 1)
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})
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dispatcher.Dispatch(ctx, dest, b)
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for i := 0; i < 5; i++ {
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dispatcher.Dispatch(ctx, dest, b)
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}
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time.Sleep(time.Second)
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cancel()
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if count != 1 {
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t.Error("count: ", count)
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}
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if v := atomic.LoadUint32(&msgCount); v != 6 {
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t.Error("msgCount: ", v)
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}
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}
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