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88 lines
1.7 KiB
88 lines
1.7 KiB
package trace
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import (
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"bytes"
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"io"
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"log"
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"net"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func newServer(w io.Writer, network, address string) (func() error, error) {
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lis, err := net.Listen(network, address)
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if err != nil {
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return nil, err
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}
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done := make(chan struct{})
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go func() {
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conn, err := lis.Accept()
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if err != nil {
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lis.Close()
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log.Fatal(err)
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}
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io.Copy(w, conn)
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conn.Close()
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done <- struct{}{}
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}()
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return func() error {
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<-done
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return lis.Close()
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}, nil
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}
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func TestReportTCP(t *testing.T) {
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buf := &bytes.Buffer{}
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cancel, err := newServer(buf, "tcp", "127.0.0.1:6077")
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if err != nil {
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t.Fatal(err)
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}
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report := newReport("tcp", "127.0.0.1:6077", 0, 0).(*connReport)
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data := []byte("hello, world")
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report.writePackage(data)
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if err := report.Close(); err != nil {
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t.Error(err)
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}
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cancel()
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assert.Equal(t, data, buf.Bytes(), "receive data")
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}
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func newUnixgramServer(w io.Writer, address string) (func() error, error) {
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conn, err := net.ListenPacket("unixgram", address)
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if err != nil {
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return nil, err
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}
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done := make(chan struct{})
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go func() {
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p := make([]byte, 4096)
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n, _, err := conn.ReadFrom(p)
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if err != nil {
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log.Fatal(err)
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}
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w.Write(p[:n])
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done <- struct{}{}
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}()
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return func() error {
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<-done
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return conn.Close()
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}, nil
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}
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func TestReportUnixgram(t *testing.T) {
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os.Remove("/tmp/trace.sock")
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buf := &bytes.Buffer{}
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cancel, err := newUnixgramServer(buf, "/tmp/trace.sock")
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if err != nil {
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t.Fatal(err)
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}
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report := newReport("unixgram", "/tmp/trace.sock", 0, 0).(*connReport)
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data := []byte("hello, world")
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report.writePackage(data)
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if err := report.Close(); err != nil {
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t.Error(err)
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}
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cancel()
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assert.Equal(t, data, buf.Bytes(), "receive data")
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}
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