2016-02-29 11:08:33 +00:00
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package udp_listener
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import (
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"io/ioutil"
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"log"
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"testing"
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"time"
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"github.com/influxdata/telegraf/plugins/parsers"
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"github.com/influxdata/telegraf/testutil"
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)
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func newTestUdpListener() (*UdpListener, chan []byte) {
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in := make(chan []byte, 1500)
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listener := &UdpListener{
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ServiceAddress: ":8125",
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UDPPacketSize: 1500,
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AllowedPendingMessages: 10000,
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in: in,
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done: make(chan struct{}),
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}
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return listener, in
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}
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func TestRunParser(t *testing.T) {
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log.SetOutput(ioutil.Discard)
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var testmsg = []byte("cpu_load_short,host=server01 value=12.0 1422568543702900257")
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listener, in := newTestUdpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewInfluxParser()
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2016-03-17 16:16:12 +00:00
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listener.wg.Add(1)
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2016-02-29 11:08:33 +00:00
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go listener.udpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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listener.Gather(&acc)
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if a := acc.NFields(); a != 1 {
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t.Errorf("got %v, expected %v", a, 1)
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}
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acc.AssertContainsTaggedFields(t, "cpu_load_short",
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map[string]interface{}{"value": float64(12)},
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map[string]string{"host": "server01"},
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)
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}
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func TestRunParserInvalidMsg(t *testing.T) {
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log.SetOutput(ioutil.Discard)
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var testmsg = []byte("cpu_load_short")
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listener, in := newTestUdpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewInfluxParser()
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2016-03-17 16:16:12 +00:00
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listener.wg.Add(1)
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2016-02-29 11:08:33 +00:00
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go listener.udpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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if a := acc.NFields(); a != 0 {
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t.Errorf("got %v, expected %v", a, 0)
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}
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}
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func TestRunParserGraphiteMsg(t *testing.T) {
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log.SetOutput(ioutil.Discard)
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var testmsg = []byte("cpu.load.graphite 12 1454780029")
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listener, in := newTestUdpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewGraphiteParser("_", []string{}, nil)
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2016-03-17 16:16:12 +00:00
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listener.wg.Add(1)
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2016-02-29 11:08:33 +00:00
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go listener.udpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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listener.Gather(&acc)
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acc.AssertContainsFields(t, "cpu_load_graphite",
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map[string]interface{}{"value": float64(12)})
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}
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func TestRunParserJSONMsg(t *testing.T) {
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log.SetOutput(ioutil.Discard)
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var testmsg = []byte("{\"a\": 5, \"b\": {\"c\": 6}}\n")
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listener, in := newTestUdpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewJSONParser("udp_json_test", []string{}, nil)
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2016-03-17 16:16:12 +00:00
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listener.wg.Add(1)
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2016-02-29 11:08:33 +00:00
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go listener.udpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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listener.Gather(&acc)
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acc.AssertContainsFields(t, "udp_json_test",
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map[string]interface{}{
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"a": float64(5),
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"b_c": float64(6),
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})
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}
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