lib/protoparser/csvimport: extract stream parsing code into a separate stream package

This is a follow-up for 057698f7fb
This commit is contained in:
Aliaksandr Valialkin 2023-02-13 10:25:37 -08:00
parent 41feed813d
commit 1801fa6c5c
No known key found for this signature in database
GPG Key ID: A72BEC6CD3D0DED1
3 changed files with 13 additions and 10 deletions

View File

@ -9,6 +9,7 @@ import (
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport/stream"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
"github.com/VictoriaMetrics/metrics"
)
@ -25,7 +26,7 @@ func InsertHandler(at *auth.Token, req *http.Request) error {
if err != nil {
return err
}
return parser.ParseStream(req, func(rows []parser.Row) error {
return stream.Parse(req, func(rows []parser.Row) error {
return insertRows(at, rows, extraLabels)
})
}

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@ -9,6 +9,7 @@ import (
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
parserCommon "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport/stream"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
"github.com/VictoriaMetrics/metrics"
)
@ -25,7 +26,7 @@ func InsertHandler(at *auth.Token, req *http.Request) error {
if err != nil {
return err
}
return parser.ParseStream(req, func(rows []parser.Row) error {
return stream.Parse(req, func(rows []parser.Row) error {
return insertRows(at, rows, extraLabels)
})
}

View File

@ -1,4 +1,4 @@
package csvimport
package stream
import (
"bufio"
@ -12,6 +12,7 @@ import (
"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/csvimport"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
"github.com/VictoriaMetrics/metrics"
)
@ -21,19 +22,19 @@ var (
"Minimum practical duration is 1ms. Higher duration (i.e. 1s) may be used for reducing disk space usage for timestamp data")
)
// ParseStream parses csv from req and calls callback for the parsed rows.
// Parse parses csv from req and calls callback for the parsed rows.
//
// The callback can be called concurrently multiple times for streamed data from req.
//
// callback shouldn't hold rows after returning.
func ParseStream(req *http.Request, callback func(rows []Row) error) error {
func Parse(req *http.Request, callback func(rows []csvimport.Row) error) error {
wcr := writeconcurrencylimiter.GetReader(req.Body)
defer writeconcurrencylimiter.PutReader(wcr)
r := io.Reader(wcr)
q := req.URL.Query()
format := q.Get("format")
cds, err := ParseColumnDescriptors(format)
cds, err := csvimport.ParseColumnDescriptors(format)
if err != nil {
return fmt.Errorf("cannot parse the provided csv format: %w", err)
}
@ -149,10 +150,10 @@ var streamContextPool sync.Pool
var streamContextPoolCh = make(chan *streamContext, cgroup.AvailableCPUs())
type unmarshalWork struct {
rows Rows
rows csvimport.Rows
ctx *streamContext
callback func(rows []Row) error
cds []ColumnDescriptor
callback func(rows []csvimport.Row) error
cds []csvimport.ColumnDescriptor
reqBuf []byte
}
@ -164,7 +165,7 @@ func (uw *unmarshalWork) reset() {
uw.reqBuf = uw.reqBuf[:0]
}
func (uw *unmarshalWork) runCallback(rows []Row) {
func (uw *unmarshalWork) runCallback(rows []csvimport.Row) {
ctx := uw.ctx
if err := uw.callback(rows); err != nil {
ctx.callbackErrLock.Lock()