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machine.go
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machine.go
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//line plugins/parsers/influx/machine.go.rl:1
package influx
import (
"errors"
"io"
)
type readErr struct {
Err error
}
func (e *readErr) Error() string {
return e.Err.Error()
}
var (
ErrNameParse = errors.New("expected measurement name")
ErrFieldParse = errors.New("expected field")
ErrTagParse = errors.New("expected tag")
ErrTimestampParse = errors.New("expected timestamp")
ErrParse = errors.New("parse error")
EOF = errors.New("EOF")
)
//line plugins/parsers/influx/machine.go.rl:318
//line plugins/parsers/influx/machine.go:33
const LineProtocol_start int = 46
const LineProtocol_first_final int = 46
const LineProtocol_error int = 0
const LineProtocol_en_main int = 46
const LineProtocol_en_discard_line int = 34
const LineProtocol_en_align int = 85
const LineProtocol_en_series int = 37
//line plugins/parsers/influx/machine.go.rl:321
type Handler interface {
SetMeasurement(name []byte) error
AddTag(key []byte, value []byte) error
AddInt(key []byte, value []byte) error
AddUint(key []byte, value []byte) error
AddFloat(key []byte, value []byte) error
AddString(key []byte, value []byte) error
AddBool(key []byte, value []byte) error
SetTimestamp(tm []byte) error
}
type machine struct {
data []byte
cs int
p, pe, eof int
pb int
lineno int
sol int
handler Handler
initState int
key []byte
beginMetric bool
finishMetric bool
}
func NewMachine(handler Handler) *machine {
m := &machine{
handler: handler,
initState: LineProtocol_en_align,
}
//line plugins/parsers/influx/machine.go.rl:354
//line plugins/parsers/influx/machine.go.rl:355
//line plugins/parsers/influx/machine.go.rl:356
//line plugins/parsers/influx/machine.go.rl:357
//line plugins/parsers/influx/machine.go.rl:358
//line plugins/parsers/influx/machine.go.rl:359
//line plugins/parsers/influx/machine.go:90
{
(m.cs) = LineProtocol_start
}
//line plugins/parsers/influx/machine.go.rl:360
return m
}
func NewSeriesMachine(handler Handler) *machine {
m := &machine{
handler: handler,
initState: LineProtocol_en_series,
}
//line plugins/parsers/influx/machine.go.rl:371
//line plugins/parsers/influx/machine.go.rl:372
//line plugins/parsers/influx/machine.go.rl:373
//line plugins/parsers/influx/machine.go.rl:374
//line plugins/parsers/influx/machine.go.rl:375
//line plugins/parsers/influx/machine.go:117
{
(m.cs) = LineProtocol_start
}
//line plugins/parsers/influx/machine.go.rl:376
return m
}
func (m *machine) SetData(data []byte) {
m.data = data
m.p = 0
m.pb = 0
m.lineno = 1
m.sol = 0
m.pe = len(data)
m.eof = len(data)
m.key = nil
m.beginMetric = false
m.finishMetric = false
//line plugins/parsers/influx/machine.go:140
{
(m.cs) = LineProtocol_start
}
//line plugins/parsers/influx/machine.go.rl:393
m.cs = m.initState
}
// Next parses the next metric line and returns nil if it was successfully
// processed. If the line contains a syntax error an error is returned,
// otherwise if the end of file is reached before finding a metric line then
// EOF is returned.
func (m *machine) Next() error {
if m.p == m.pe && m.pe == m.eof {
return EOF
}
m.key = nil
m.beginMetric = false
m.finishMetric = false
return m.exec()
}
func (m *machine) exec() error {
var err error
//line plugins/parsers/influx/machine.go:168
{
if (m.p) == (m.pe) {
goto _test_eof
}
goto _resume
_again:
switch m.cs {
case 46:
goto st46
case 1:
goto st1
case 2:
goto st2
case 3:
goto st3
case 0:
goto st0
case 4:
goto st4
case 5:
goto st5
case 6:
goto st6
case 47:
goto st47
case 48:
goto st48
case 49:
goto st49
case 7:
goto st7
case 8:
goto st8
case 9:
goto st9
case 10:
goto st10
case 50:
goto st50
case 51:
goto st51
case 52:
goto st52
case 53:
goto st53
case 54:
goto st54
case 55:
goto st55
case 56:
goto st56
case 57:
goto st57
case 58:
goto st58
case 59:
goto st59
case 60:
goto st60
case 61:
goto st61
case 62:
goto st62
case 63:
goto st63
case 64:
goto st64
case 65:
goto st65
case 66:
goto st66
case 67:
goto st67
case 68:
goto st68
case 69:
goto st69
case 11:
goto st11
case 12:
goto st12
case 13:
goto st13
case 14:
goto st14
case 15:
goto st15
case 70:
goto st70
case 16:
goto st16
case 17:
goto st17
case 71:
goto st71
case 72:
goto st72
case 73:
goto st73
case 74:
goto st74
case 75:
goto st75
case 76:
goto st76
case 77:
goto st77
case 78:
goto st78
case 79:
goto st79
case 18:
goto st18
case 19:
goto st19
case 20:
goto st20
case 80:
goto st80
case 21:
goto st21
case 22:
goto st22
case 23:
goto st23
case 81:
goto st81
case 24:
goto st24
case 25:
goto st25
case 82:
goto st82
case 83:
goto st83
case 26:
goto st26
case 27:
goto st27
case 28:
goto st28
case 29:
goto st29
case 30:
goto st30
case 31:
goto st31
case 32:
goto st32
case 33:
goto st33
case 34:
goto st34
case 84:
goto st84
case 37:
goto st37
case 86:
goto st86
case 87:
goto st87
case 38:
goto st38
case 39:
goto st39
case 40:
goto st40
case 41:
goto st41
case 88:
goto st88
case 42:
goto st42
case 89:
goto st89
case 43:
goto st43
case 44:
goto st44
case 45:
goto st45
case 85:
goto st85
case 35:
goto st35
case 36:
goto st36
}
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof
}
_resume:
switch m.cs {
case 46:
goto st_case_46
case 1:
goto st_case_1
case 2:
goto st_case_2
case 3:
goto st_case_3
case 0:
goto st_case_0
case 4:
goto st_case_4
case 5:
goto st_case_5
case 6:
goto st_case_6
case 47:
goto st_case_47
case 48:
goto st_case_48
case 49:
goto st_case_49
case 7:
goto st_case_7
case 8:
goto st_case_8
case 9:
goto st_case_9
case 10:
goto st_case_10
case 50:
goto st_case_50
case 51:
goto st_case_51
case 52:
goto st_case_52
case 53:
goto st_case_53
case 54:
goto st_case_54
case 55:
goto st_case_55
case 56:
goto st_case_56
case 57:
goto st_case_57
case 58:
goto st_case_58
case 59:
goto st_case_59
case 60:
goto st_case_60
case 61:
goto st_case_61
case 62:
goto st_case_62
case 63:
goto st_case_63
case 64:
goto st_case_64
case 65:
goto st_case_65
case 66:
goto st_case_66
case 67:
goto st_case_67
case 68:
goto st_case_68
case 69:
goto st_case_69
case 11:
goto st_case_11
case 12:
goto st_case_12
case 13:
goto st_case_13
case 14:
goto st_case_14
case 15:
goto st_case_15
case 70:
goto st_case_70
case 16:
goto st_case_16
case 17:
goto st_case_17
case 71:
goto st_case_71
case 72:
goto st_case_72
case 73:
goto st_case_73
case 74:
goto st_case_74
case 75:
goto st_case_75
case 76:
goto st_case_76
case 77:
goto st_case_77
case 78:
goto st_case_78
case 79:
goto st_case_79
case 18:
goto st_case_18
case 19:
goto st_case_19
case 20:
goto st_case_20
case 80:
goto st_case_80
case 21:
goto st_case_21
case 22:
goto st_case_22
case 23:
goto st_case_23
case 81:
goto st_case_81
case 24:
goto st_case_24
case 25:
goto st_case_25
case 82:
goto st_case_82
case 83:
goto st_case_83
case 26:
goto st_case_26
case 27:
goto st_case_27
case 28:
goto st_case_28
case 29:
goto st_case_29
case 30:
goto st_case_30
case 31:
goto st_case_31
case 32:
goto st_case_32
case 33:
goto st_case_33
case 34:
goto st_case_34
case 84:
goto st_case_84
case 37:
goto st_case_37
case 86:
goto st_case_86
case 87:
goto st_case_87
case 38:
goto st_case_38
case 39:
goto st_case_39
case 40:
goto st_case_40
case 41:
goto st_case_41
case 88:
goto st_case_88
case 42:
goto st_case_42
case 89:
goto st_case_89
case 43:
goto st_case_43
case 44:
goto st_case_44
case 45:
goto st_case_45
case 85:
goto st_case_85
case 35:
goto st_case_35
case 36:
goto st_case_36
}
goto st_out
st46:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof46
}
st_case_46:
switch (m.data)[(m.p)] {
case 10:
goto tr31
case 13:
goto tr31
case 32:
goto tr80
case 35:
goto tr31
case 44:
goto tr31
case 92:
goto tr81
}
if 9 <= (m.data)[(m.p)] && (m.data)[(m.p)] <= 12 {
goto tr80
}
goto tr79
tr29:
//line plugins/parsers/influx/machine.go.rl:28
m.pb = m.p
goto st1
tr79:
//line plugins/parsers/influx/machine.go.rl:82
m.beginMetric = true
//line plugins/parsers/influx/machine.go.rl:28
m.pb = m.p
goto st1
st1:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof1
}
st_case_1:
//line plugins/parsers/influx/machine.go:590
switch (m.data)[(m.p)] {
case 10:
goto tr2
case 13:
goto tr2
case 32:
goto tr1
case 44:
goto tr3
case 92:
goto st8
}
if 9 <= (m.data)[(m.p)] && (m.data)[(m.p)] <= 12 {
goto tr1
}
goto st1
tr1:
(m.cs) = 2
//line plugins/parsers/influx/machine.go.rl:86
err = m.handler.SetMeasurement(m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
tr56:
(m.cs) = 2
//line plugins/parsers/influx/machine.go.rl:99
err = m.handler.AddTag(m.key, m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
st2:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof2
}
st_case_2:
//line plugins/parsers/influx/machine.go:638
switch (m.data)[(m.p)] {
case 10:
goto tr7
case 13:
goto tr7
case 32:
goto st2
case 44:
goto tr7
case 61:
goto tr7
case 92:
goto tr8
}
if 9 <= (m.data)[(m.p)] && (m.data)[(m.p)] <= 12 {
goto st2
}
goto tr5
tr5:
//line plugins/parsers/influx/machine.go.rl:28
m.pb = m.p
goto st3
st3:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof3
}
st_case_3:
//line plugins/parsers/influx/machine.go:668
switch (m.data)[(m.p)] {
case 32:
goto tr7
case 44:
goto tr7
case 61:
goto tr10
case 92:
goto st12
}
if 9 <= (m.data)[(m.p)] && (m.data)[(m.p)] <= 13 {
goto tr7
}
goto st3
tr2:
(m.cs) = 0
//line plugins/parsers/influx/machine.go.rl:46
err = ErrTagParse
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
goto _again
tr7:
(m.cs) = 0
//line plugins/parsers/influx/machine.go.rl:39
err = ErrFieldParse
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
goto _again
tr31:
(m.cs) = 0
//line plugins/parsers/influx/machine.go.rl:32
err = ErrNameParse
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
goto _again
tr35:
(m.cs) = 0
//line plugins/parsers/influx/machine.go.rl:53
err = ErrTimestampParse
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
goto _again
tr82:
(m.cs) = 0
//line plugins/parsers/influx/machine.go.rl:39
err = ErrFieldParse
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
//line plugins/parsers/influx/machine.go.rl:53
err = ErrTimestampParse
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
goto _again
tr135:
//line plugins/parsers/influx/machine.go.rl:73
(m.p)--
{
goto st46
}
goto st0
//line plugins/parsers/influx/machine.go:754
st_case_0:
st0:
(m.cs) = 0
goto _out
tr10:
//line plugins/parsers/influx/machine.go.rl:108
m.key = m.text()
goto st4
st4:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof4
}
st_case_4:
//line plugins/parsers/influx/machine.go:770
switch (m.data)[(m.p)] {
case 34:
goto st5
case 45:
goto tr13
case 46:
goto tr14
case 48:
goto tr15
case 70:
goto tr17
case 84:
goto tr18
case 102:
goto tr19
case 116:
goto tr20
}
if 49 <= (m.data)[(m.p)] && (m.data)[(m.p)] <= 57 {
goto tr16
}
goto tr7
st5:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof5
}
st_case_5:
switch (m.data)[(m.p)] {
case 10:
goto tr22
case 34:
goto tr23
case 92:
goto tr24
}
goto tr21
tr21:
//line plugins/parsers/influx/machine.go.rl:28
m.pb = m.p
goto st6
tr22:
//line plugins/parsers/influx/machine.go.rl:28
m.pb = m.p
//line plugins/parsers/influx/machine.go.rl:166
m.lineno++
m.sol = m.p
m.sol++ // next char will be the first column in the line
goto st6
tr26:
//line plugins/parsers/influx/machine.go.rl:166
m.lineno++
m.sol = m.p
m.sol++ // next char will be the first column in the line
goto st6
st6:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof6
}
st_case_6:
//line plugins/parsers/influx/machine.go:838
switch (m.data)[(m.p)] {
case 10:
goto tr26
case 34:
goto tr27
case 92:
goto st13
}
goto st6
tr23:
(m.cs) = 47
//line plugins/parsers/influx/machine.go.rl:28
m.pb = m.p
//line plugins/parsers/influx/machine.go.rl:148
err = m.handler.AddString(m.key, m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
tr27:
(m.cs) = 47
//line plugins/parsers/influx/machine.go.rl:148
err = m.handler.AddString(m.key, m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
st47:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof47
}
st_case_47:
//line plugins/parsers/influx/machine.go:883
switch (m.data)[(m.p)] {
case 10:
goto tr34
case 13:
goto st9
case 32:
goto st48
case 44:
goto st11
}
if 9 <= (m.data)[(m.p)] && (m.data)[(m.p)] <= 12 {
goto st48
}
goto tr82
tr110:
(m.cs) = 48
//line plugins/parsers/influx/machine.go.rl:130
err = m.handler.AddFloat(m.key, m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
tr117:
(m.cs) = 48
//line plugins/parsers/influx/machine.go.rl:112
err = m.handler.AddInt(m.key, m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
tr122:
(m.cs) = 48
//line plugins/parsers/influx/machine.go.rl:121
err = m.handler.AddUint(m.key, m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
tr127:
(m.cs) = 48
//line plugins/parsers/influx/machine.go.rl:139
err = m.handler.AddBool(m.key, m.text())
if err != nil {
(m.p)--
(m.cs) = 34
{
(m.p)++
goto _out
}
}
goto _again
st48:
if (m.p)++; (m.p) == (m.pe) {
goto _test_eof48
}
st_case_48:
//line plugins/parsers/influx/machine.go:955
switch (m.data)[(m.p)] {
case 10:
goto tr34
case 13:
goto st9
case 32:
goto st48
case 45:
goto tr86
}