app/vminsert: move ingestion protocol parsers to lib/protoparser, so they could be re-used in the upcoming vmagent

app/vminsert/graphite/request_handler.go

@@ -11,6 +11,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/concurrencylimiter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/graphite"
 	"github.com/VictoriaMetrics/metrics"
 )
 
@@ -106,7 +107,7 @@ func (ctx *pushCtx) Read(r io.Reader) bool {
 }
 
 type pushCtx struct {
-	Rows   Rows
+	Rows   graphite.Rows
 	Common common.InsertCtx
 
 	reqBuf  []byte

app/vminsert/influx/request_handler.go

@@ -12,6 +12,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/concurrencylimiter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/influx"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
 	"github.com/VictoriaMetrics/metrics"
 )
@@ -171,7 +172,7 @@ var (
 )
 
 type pushCtx struct {
-	Rows   Rows
+	Rows   influx.Rows
 	Common common.InsertCtx
 
 	reqBuf         []byte

app/vminsert/opentsdb/request_handler.go

@@ -11,6 +11,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/concurrencylimiter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentsdb"
 	"github.com/VictoriaMetrics/metrics"
 )
 
@@ -105,7 +106,7 @@ func (ctx *pushCtx) Read(r io.Reader) bool {
 }
 
 type pushCtx struct {
-	Rows   Rows
+	Rows   opentsdb.Rows
 	Common common.InsertCtx
 
 	reqBuf  []byte

app/vminsert/opentsdbhttp/request_handler.go

@@ -12,8 +12,8 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/common"
 	"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/concurrencylimiter"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentsdbhttp"
 	"github.com/VictoriaMetrics/metrics"
-	"github.com/valyala/fastjson"
 )
 
 var maxInsertRequestSize = flag.Int("opentsdbhttp.maxInsertRequestSize", 32*1024*1024, "The maximum size of OpenTSDB HTTP put request")
@@ -65,8 +65,8 @@ func insertHandlerInternal(req *http.Request) error {
 	}
 
 	// Unmarshal the request to ctx.Rows
-	p := parserPool.Get()
-	defer parserPool.Put(p)
+	p := opentsdbhttp.GetParser()
+	defer opentsdbhttp.PutParser(p)
 	v, err := p.ParseBytes(ctx.reqBuf.B)
 	if err != nil {
 		unmarshalErrors.Inc()
@@ -113,10 +113,8 @@ func insertHandlerInternal(req *http.Request) error {
 
 const secondMask int64 = 0x7FFFFFFF00000000
 
-var parserPool fastjson.ParserPool
-
 type pushCtx struct {
-	Rows   Rows
+	Rows   opentsdbhttp.Rows
 	Common common.InsertCtx
 
 	reqBuf bytesutil.ByteBuffer

lib/protoparser/opentsdbhttp/parser_pool.go

@@ -0,0 +1,21 @@
+package opentsdbhttp
+
+import (
+	"github.com/valyala/fastjson"
+)
+
+// GetParser returns JSON parser.
+//
+// The parser must be returned to the pool via PutParser when no longer needed.
+func GetParser() *fastjson.Parser {
+	return parserPool.Get()
+}
+
+// PutParser returns p to the pool.
+//
+// p cannot be used after returning to the pool.
+func PutParser(p *fastjson.Parser) {
+	parserPool.Put(p)
+}
+
+var parserPool fastjson.ParserPool

lib/protoparser/opentsdbhttp/parser_test.go

@@ -9,8 +9,8 @@ func TestRowsUnmarshalFailure(t *testing.T) {
 	f := func(s string) {
 		t.Helper()
 		var rows Rows
-		p := parserPool.Get()
-		defer parserPool.Put(p)
+		p := GetParser()
+		defer PutParser(p)
 		v, err := p.Parse(s)
 		if err != nil {
 			// Expected JSON parser error
@@ -84,8 +84,8 @@ func TestRowsUnmarshalSuccess(t *testing.T) {
 		t.Helper()
 		var rows Rows
 
-		p := parserPool.Get()
-		defer parserPool.Put(p)
+		p := GetParser()
+		defer PutParser(p)
 		v, err := p.Parse(s)
 		if err != nil {
 			t.Fatalf("cannot parse json %s: %s", s, err)