/
read_line_test.go
372 lines (342 loc) · 12.8 KB
/
read_line_test.go
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package snmpclient
import (
"bytes"
"encoding/hex"
"errors"
"reflect"
"strings"
"testing"
"time"
)
func TestParseLine(t *testing.T) {
for idx, test := range []struct {
line []string
oid string
value string
e string
remain []string
is_end bool
}{{line: []string{"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"},
oid: "[oid]1.3.6.1.2.1.1.2.0",
value: "[oid]1.3.6.1.4.1.6339.1.1.3.4"},
{line: []string{"iso.3.6.1.2.1.1.3.0 = Timeticks: (16465600) 1 day, 21:44:16.00"},
oid: "[oid]1.3.6.1.2.1.1.3.0",
value: "[timeticks]16465600"},
{line: []string{"iso.3.6.1.2.1.2.1.0 = INTEGER: 66"},
oid: "[oid]1.3.6.1.2.1.2.1.0",
value: "[int32]66"},
{line: []string{"iso.3.6.1.2.1.2.2.1.5.88 = Gauge32: 1000000000"},
oid: "[oid]1.3.6.1.2.1.2.2.1.5.88",
value: "[gauge]1000000000"},
{line: []string{"iso.3.6.1.2.1.2.2.1.10.2 = Counter32: 1940587667"},
oid: "[oid]1.3.6.1.2.1.2.2.1.10.2",
value: "[counter32]1940587667"},
{line: []string{"iso.3.6.1.2.1.2.2.1.10.2 = Counter64: 19405876345535617"},
oid: "[oid]1.3.6.1.2.1.2.2.1.10.2",
value: "[counter64]19405876345535617"},
{line: []string{"iso.3.6.1.2.1.2.2.1.10.2 = IpAddress: 12.12.12.0"},
oid: "[oid]1.3.6.1.2.1.2.2.1.10.2",
value: "[ip]12.12.12.0"},
{line: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119\""},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119"))},
{line: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "",
remain: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119"},
e: more_line.Error()},
{line: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119", "800-810-9119\""},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810-9119")),
is_end: true},
{line: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119", "800-810-9119"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810-9119")),
is_end: true},
{line: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119\"", "iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119")),
remain: []string{"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"}},
{line: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119", "800-810-9119\"", "iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810-9119")),
remain: []string{"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"}},
{line: []string{"iso.3.6.1.2.1.1.4.0 = STRING: \"800-810-9119", "800-810", "-9119\"", "iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810\r\n-9119")),
remain: []string{"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"}},
{line: []string{"iso.3.6.1.2.1.1.4.0 = \"\""},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte(""))},
// iso.3.6.1.2.1.14.4.1.8.0.0.0.0.1.34.2.28.4.34.2.28.4 = Hex-STRING: 00 01 02 01 22 02 1C 04 22 02 1C 04 80 00 78 7D
{line: []string{"iso.3.6.1.2.1.1.4.0 = Hex-STRING: 00 01 02 01 22 02 1C 04 22 02 1C 04 80 00 78 7D"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]0001020122021c0422021c048000787d",
is_end: true},
{line: []string{"iso.3.6.1.2.1.1.4.0 = Hex-STRING: 00 01 02 01 22 02 1C", "04 22 02 1C 04 80 00 78 7D"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]0001020122021c0422021c048000787d",
is_end: true},
{line: []string{"iso.3.6.1.2.1.1.4.0 = Hex-STRING: 00 01 02 01 22 02 1C 04 22 02 1C 04 80 00 78 7D",
"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]0001020122021c0422021c048000787d",
remain: []string{"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"}},
{line: []string{"iso.3.6.1.2.1.1.4.0 = Hex-STRING: 00 01 02 01 22 02 1C", "04 22 02 1C 04", "80 00 78 7D",
"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"},
oid: "[oid]1.3.6.1.2.1.1.4.0",
value: "[octets]0001020122021c0422021c048000787d",
remain: []string{"iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4"}},
} {
oid, v, r, e := ParseLine(test.line, test.is_end)
if oid.String() != test.oid {
t.Errorf("test[%d] failed, oid[%v!=%v] ", idx, oid.String(), test.oid)
}
if ("" != test.value && nil == v) ||
("" == test.value && nil != v) ||
("" != test.value && v.String() != test.value) {
if nil != v {
t.Errorf("test[%d] failed, value[%v!=%v] ", idx, v.String(), test.value)
} else {
t.Errorf("test[%d] failed, value[%v!=%v] ", idx, v, test.value)
}
}
if ("" != test.e && nil == e) ||
("" == test.e && nil != e) ||
("" != test.e && !strings.Contains(e.Error(), test.e)) {
t.Errorf("test[%d] failed, error[%v!=%v] ", idx, e, test.e)
}
if (isEmpty(test.remain) && !isEmpty(r)) ||
(!isEmpty(test.remain) && isEmpty(r)) ||
(!isEmpty(test.remain) && !isEmpty(r) && !reflect.DeepEqual(test.remain, r)) {
t.Errorf("test[%d] failed, remain[%v!=%v] ", idx, r, test.remain)
}
}
count := 0
if e := Read(bytes.NewReader([]byte(`iso.3.6.1.2.1.10.166.8.1.3.1.8.267 = Hex-STRING: 04 41 0D 01
iso.3.6.1.2.1.10.166.8.1.3.1.8.268 = STRING: "
(d/"
iso.3.6.1.2.1.10.166.8.1.3.1.8.269 = Hex-STRING: 0A 14 64 0F
iso.3.6.1.2.1.10.166.8.1.3.1.8.270 = STRING: "`)), func(oid SnmpOid, value SnmpValue) error {
count++
if 1 == count {
if "1.3.6.1.2.1.10.166.8.1.3.1.8.267" != oid.GetString() ||
"[octets]04410d01" != value.String() {
t.Error(oid.String(), value)
}
} else if 2 == count {
if "1.3.6.1.2.1.10.166.8.1.3.1.8.268" != oid.GetString() ||
"[octets]0d0a28642f" != value.String() {
t.Error(oid.String(), value)
}
} else if 3 == count {
if "1.3.6.1.2.1.10.166.8.1.3.1.8.269" != oid.GetString() ||
"[octets]0a14640f" != value.String() {
t.Error(oid.String(), value)
}
} else if 4 == count {
if "1.3.6.1.2.1.10.166.8.1.3.1.8.270" != oid.GetString() ||
"[octets]0d0a" != value.String() {
t.Error(oid.String(), value)
}
} else {
t.Error("it is unexcpted.")
}
return nil
}); nil != e {
t.Error(e)
}
if 4 != count {
t.Error("it is unexcpted.")
}
}
func isEmpty(a []string) bool {
return nil == a || 0 == len(a)
}
var mib_string = `iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.6339.1.1.3.4
iso.3.6.1.2.1.1.3.0 = Timeticks: (16465600) 1 day, 21:44:16.00
iso.3.6.1.2.1.2.1.0 = INTEGER: 66
iso.3.6.1.2.1.2.2.1.5.88 = Gauge32: 1000000000
iso.3.6.1.2.1.2.2.1.10.2 = Counter32: 1940587667
iso.3.6.1.2.1.2.2.1.10.3 = Counter64: 19405876345535617
iso.3.6.1.2.1.2.2.1.10.4 = IpAddress: 12.12.12.0
iso.3.6.1.2.1.4.0 = STRING: "800-810-9119"
iso.3.6.1.2.1.6.0 = STRING: "800-810-9119
800-810-9119"
iso.3.6.1.2.1.6.4.0 = STRING: "800-810-9119
800-810
-9119"
iso.3.6.1.2.1.7.4.0 = ""
iso.3.6.1.2.1.8.4.0 = Hex-STRING: 00 01 02 01 22 02 1C 04 22 02 1C 04 80 00 78 7D
iso.3.6.1.2.1.9.4.0 = Hex-STRING: 00 01 02 01 22 02 1C
04 22 02 1C 04
80 00 78 7D
iso.3.6.1.2.1.10.4.0 = Hex-STRING: 00 01 02 01 22 02 1C
04 22 02 1C 04
80 00 78 7D`
var oid_and_value = []struct {
oid string
value string
}{{oid: "[oid]1.3.6.1.2.1.1.2.0",
value: "[oid]1.3.6.1.4.1.6339.1.1.3.4"},
{oid: "[oid]1.3.6.1.2.1.1.3.0",
value: "[timeticks]16465600"},
{oid: "[oid]1.3.6.1.2.1.2.1.0",
value: "[int32]66"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.5.88",
value: "[gauge]1000000000"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.10.2",
value: "[counter32]1940587667"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.10.3",
value: "[counter64]19405876345535617"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.10.4",
value: "[ip]12.12.12.0"},
{oid: "[oid]1.3.6.1.2.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119"))},
{oid: "[oid]1.3.6.1.2.1.6.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810-9119"))},
{oid: "[oid]1.3.6.1.2.1.6.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810\r\n-9119"))},
{oid: "[oid]1.3.6.1.2.1.7.4.0",
value: "[octets]" + hex.EncodeToString([]byte(""))},
// iso.3.6.1.2.1.14.4.1.8.0.0.0.0.1.34.2.28.4.34.2.28.4 = Hex-STRING: 00 01 02 01 22 02 1C 04 22 02 1C 04 80 00 78 7D
{oid: "[oid]1.3.6.1.2.1.8.4.0",
value: "[octets]0001020122021c0422021c048000787d"},
{oid: "[oid]1.3.6.1.2.1.9.4.0",
value: "[octets]0001020122021c0422021c048000787d"},
{oid: "[oid]1.3.6.1.2.1.10.4.0",
value: "[octets]0001020122021c0422021c048000787d"},
}
var next_oid_and_value = []struct {
oid string
value string
}{{oid: "[oid]1.3.6.1.2.1.1.1.0",
value: "[oid]1.3.6.1.4.1.6339.1.1.3.4"},
{oid: "[oid]1.3.6",
value: "[oid]1.3.6.1.4.1.6339.1.1.3.4"},
{oid: "[oid]1.3.6.1.2.1.1.2.0",
value: "[timeticks]16465600"},
{oid: "[oid]1.3.6.1.2.1.1.3.0",
value: "[int32]66"},
{oid: "[oid]1.3.6.1.2.1.2.1.0",
value: "[gauge]1000000000"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.5.88",
value: "[counter32]1940587667"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.10.2",
value: "[counter64]19405876345535617"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.10.3",
value: "[ip]12.12.12.0"},
{oid: "[oid]1.3.6.1.2.1.2.2.1.10.4",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119"))},
{oid: "[oid]1.3.6.1.2.1.4.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810-9119"))},
{oid: "[oid]1.3.6.1.2.1.6.0",
value: "[octets]" + hex.EncodeToString([]byte("800-810-9119\r\n800-810\r\n-9119"))},
{oid: "[oid]1.3.6.1.2.1.6.4.0",
value: "[octets]" + hex.EncodeToString([]byte(""))},
// iso.3.6.1.2.1.14.4.1.8.0.0.0.0.1.34.2.28.4.34.2.28.4 = Hex-STRING: 00 01 02 01 22 02 1C 04 22 02 1C 04 80 00 78 7D
{oid: "[oid]1.3.6.1.2.1.7.4.0",
value: "[octets]0001020122021c0422021c048000787d"},
{oid: "[oid]1.3.6.1.2.1.8.4.0",
value: "[octets]0001020122021c0422021c048000787d"},
{oid: "[oid]1.3.6.1.2.1.9.4.0",
value: "[octets]0001020122021c0422021c048000787d"},
}
func TestReadFromString(t *testing.T) {
srv, e := NewUdpServerFromString("a", "127.0.0.1:0", mib_string, false)
if nil != e {
t.Error(e)
return
}
defer srv.Close()
for idx, test := range oid_and_value {
oid, e := ParseOidFromString(strings.TrimPrefix(test.oid, "[oid]"))
if nil != e {
t.Error(e)
continue
}
v := srv.GetValueByOid(oid)
if nil == v {
t.Error("test[", idx, "]", test.oid, "is not found.")
continue
}
if v.String() != test.value {
t.Error("test[", idx, "]", v.String(), "of", test.oid, "is not equals", test.value)
}
}
for idx, test := range next_oid_and_value {
oid, e := ParseOidFromString(strings.TrimPrefix(test.oid, "[oid]"))
if nil != e {
t.Error(e)
continue
}
_, v := srv.GetNextValueByOid(oid)
if nil == v {
t.Error("test[", idx, "]", test.oid, "is not found.")
continue
}
if v.String() != test.value {
t.Error("test[", idx, "]", v.String(), "of", test.oid, "is not equals", test.value)
}
}
}
func ReadSnmpValue(addr, oid string, action SnmpType) (SnmpValue, error) {
cl, e := NewSnmpClient(addr)
if nil != e {
return nil, errors.New("create snmp client failed - " + e.Error())
}
defer cl.Close()
req, e := cl.CreatePDU(action, SNMP_V2C)
if nil != e {
return nil, errors.New("create pdu failed - " + e.Error())
}
req.Init(map[string]string{"snmp.community": "public"})
err := req.GetVariableBindings().Append(oid, "")
if nil != err {
return nil, errors.New("append pdu failed - " + err.Error())
}
res, e := cl.SendAndRecv(req, 2*time.Second)
if nil != e {
return nil, errors.New("sendAndRecv pdu failed - " + e.Error())
}
for i := 0; i < res.GetVariableBindings().Len(); i++ {
vb := res.GetVariableBindings().Get(i)
if vb.Oid.GetString() == oid {
return vb.Value, nil
}
}
if action == SNMP_PDU_GETNEXT {
return res.GetVariableBindings().Get(0).Value, nil
}
return nil, errors.New("not found")
}
func TestSnmpServer(t *testing.T) {
srv, e := NewUdpServerFromString("a", "127.0.0.1:0", mib_string, false)
if nil != e {
t.Error(e)
return
}
defer srv.Close()
for idx, test := range oid_and_value {
oid := strings.TrimPrefix(test.oid, "[oid]")
v, e := ReadSnmpValue("127.0.0.1:"+srv.GetPort(), oid, SNMP_PDU_GET)
if nil != e {
t.Error("test[", idx, "]", test.oid, e)
continue
}
if v.String() != test.value {
t.Error("test[", idx, "]", v.String(), "of", test.oid, "is not equals", test.value)
}
}
for idx, test := range next_oid_and_value {
oid := strings.TrimPrefix(test.oid, "[oid]")
v, e := ReadSnmpValue("127.0.0.1:"+srv.GetPort(), oid, SNMP_PDU_GETNEXT)
if nil != e {
t.Error("testNext[", idx, "]", test.oid, e)
continue
}
if v.String() != test.value {
t.Error("testNext[", idx, "]", v.String(), "of", test.oid, "is not equals", test.value)
}
}
}