[#6] native: Factor put object upload code

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

internal/native/client.go

@@ -57,11 +57,9 @@ type (
 	}
 )
 
-func (c *Client) Put(inputContainerID string, headers map[string]string, payload goja.ArrayBuffer) PutResponse {
+const defaultPutBufferSize = 4 * 1024
-	rdr := bytes.NewReader(payload.Bytes())
-	sz := rdr.Size()
 
-	// preparation stage
+func (c *Client) Put(inputContainerID string, headers map[string]string, payload goja.ArrayBuffer) PutResponse {
 	var containerID cid.ID
 	err := containerID.DecodeString(inputContainerID)
 	if err != nil {
@@ -95,43 +93,11 @@ func (c *Client) Put(inputContainerID string, headers map[string]string, payload
 	o.SetOwnerID(&owner)
 	o.SetAttributes(attrs...)
 
-	buf := make([]byte, 4*1024)
+	resp, err := put(c.vu, defaultPutBufferSize, c.cli, &tok, &o, payload.Bytes())
-
-	// starting upload
-	stats.Report(c.vu, objPutTotal, 1)
-	start := time.Now()
-
-	objectWriter, err := c.cli.ObjectPutInit(c.vu.Context(), client.PrmObjectPutInit{})
 	if err != nil {
-		stats.Report(c.vu, objPutFails, 1)
 		return PutResponse{Success: false, Error: err.Error()}
 	}
 
-	objectWriter.WithinSession(tok)
-
-	if !objectWriter.WriteHeader(o) {
-		stats.Report(c.vu, objPutFails, 1)
-		_, err := objectWriter.Close()
-		return PutResponse{Success: false, Error: err.Error()}
-	}
-
-	n, _ := rdr.Read(buf)
-	for n > 0 {
-		if !objectWriter.WritePayloadChunk(buf[:n]) {
-			break
-		}
-		n, _ = rdr.Read(buf)
-	}
-
-	resp, err := objectWriter.Close()
-	if err != nil {
-		stats.Report(c.vu, objPutFails, 1)
-		return PutResponse{Success: false, Error: err.Error()}
-	}
-
-	stats.ReportDataSent(c.vu, float64(sz))
-	stats.Report(c.vu, objPutDuration, metrics.D(time.Since(start)))
-
 	var id oid.ID
 	resp.ReadStoredObjectID(&id)
 
@@ -281,24 +247,38 @@ func (p PreparedObject) Put(headers map[string]string) PutResponse {
 		return PutResponse{Success: false, Error: err.Error()}
 	}
 
-	buf := make([]byte, 4*1024)
+	_, err = put(p.vu, defaultPutBufferSize, p.cli, nil, &obj, p.payload)
-	rdr := bytes.NewReader(p.payload)
-
-	// starting upload
-	// TODO(alexvanin): factor uploading code of Put() methods
-	stats.Report(p.vu, objPutTotal, 1)
-	start := time.Now()
-
-	objectWriter, err := p.cli.ObjectPutInit(p.vu.Context(), client.PrmObjectPutInit{})
 	if err != nil {
-		stats.Report(p.vu, objPutFails, 1)
 		return PutResponse{Success: false, Error: err.Error()}
 	}
 
-	if !objectWriter.WriteHeader(obj) {
+	return PutResponse{Success: true, ObjectID: id.String()}
-		stats.Report(p.vu, objPutFails, 1)
+}
-		_, err := objectWriter.Close()
+
-		return PutResponse{Success: false, Error: err.Error()}
+func put(vu modules.VU, bufSize int, cli *client.Client, tok *session.Object,
+	hdr *object.Object, payload []byte) (*client.ResObjectPut, error) {
+	buf := make([]byte, bufSize)
+	rdr := bytes.NewReader(payload)
+	sz := rdr.Size()
+
+	// starting upload
+	stats.Report(vu, objPutTotal, 1)
+	start := time.Now()
+
+	objectWriter, err := cli.ObjectPutInit(vu.Context(), client.PrmObjectPutInit{})
+	if err != nil {
+		stats.Report(vu, objPutFails, 1)
+		return nil, err
+	}
+
+	if tok != nil {
+		objectWriter.WithinSession(*tok)
+	}
+
+	if !objectWriter.WriteHeader(*hdr) {
+		stats.Report(vu, objPutFails, 1)
+		_, err = objectWriter.Close()
+		return nil, err
 	}
 
 	n, _ := rdr.Read(buf)
@@ -309,16 +289,16 @@ func (p PreparedObject) Put(headers map[string]string) PutResponse {
 		n, _ = rdr.Read(buf)
 	}
 
-	_, err = objectWriter.Close()
+	resp, err := objectWriter.Close()
 	if err != nil {
-		stats.Report(p.vu, objPutFails, 1)
+		stats.Report(vu, objPutFails, 1)
-		return PutResponse{Success: false, Error: err.Error()}
+		return nil, err
 	}
 
-	stats.ReportDataSent(p.vu, float64(obj.PayloadSize()))
+	stats.ReportDataSent(vu, float64(sz))
-	stats.Report(p.vu, objPutDuration, metrics.D(time.Since(start)))
+	stats.Report(vu, objPutDuration, metrics.D(time.Since(start)))
 
-	return PutResponse{Success: true, ObjectID: id.String()}
+	return resp, err
 }
 
 func parseNetworkInfo(ctx context.Context, cli *client.Client) (maxObjSize, epoch uint64, hhDisabled bool, err error) {