wip: refactory

go.mod

@@ -5,14 +5,14 @@ go 1.18
 require (
 	github.com/elastic/go-elasticsearch/v6 v6.8.10
 	github.com/elastic/go-elasticsearch/v7 v7.17.10
+	github.com/fatih/color v1.17.0
+	github.com/go-resty/resty/v2 v2.16.5
 	github.com/jedib0t/go-pretty/v6 v6.6.4
-	github.com/loveuer/nf v0.2.12
 	github.com/samber/lo v1.39.0
 	github.com/spf13/cobra v1.8.1
 )
 
 require (
-	github.com/fatih/color v1.17.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
@@ -20,5 +20,6 @@ require (
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 // indirect
-	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/net v0.33.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
 )

go.sum

@@ -6,12 +6,12 @@ github.com/elastic/go-elasticsearch/v7 v7.17.10 h1:TCQ8i4PmIJuBunvBS6bwT2ybzVFxx
 github.com/elastic/go-elasticsearch/v7 v7.17.10/go.mod h1:OJ4wdbtDNk5g503kvlHLyErCgQwwzmDtaFC4XyOxXA4=
 github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
 github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
+github.com/go-resty/resty/v2 v2.16.5 h1:hBKqmWrr7uRc3euHVqmh1HTHcKn99Smr7o5spptdhTM=
+github.com/go-resty/resty/v2 v2.16.5/go.mod h1:hkJtXbA2iKHzJheXYvQ8snQES5ZLGKMwQ07xAwp/fiA=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/jedib0t/go-pretty/v6 v6.6.4 h1:B51RjA+Sytv0C0Je7PHGDXZBF2JpS5dZEWWRueBLP6U=
 github.com/jedib0t/go-pretty/v6 v6.6.4/go.mod h1:zbn98qrYlh95FIhwwsbIip0LYpwSG8SUOScs+v9/t0E=
-github.com/loveuer/nf v0.2.12 h1:1Og+ORHsOWKFmy9kKJhjvXDkdbaurH82HjIxuGA3nNM=
-github.com/loveuer/nf v0.2.12/go.mod h1:M6reF17/kJBis30H4DxR5hrtgo/oJL4AV4cBe4HzJLw=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
@@ -32,10 +32,13 @@ github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 h1:3MTrJm4PyNL9NBqvYDSj3DHl46qQakyfqfWo4jgfaEM=
 golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17/go.mod h1:lgLbSvA5ygNOMpwM/9anMpWVlVJ7Z+cHWq/eFuinpGE=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/time v0.6.0 h1:eTDhh4ZXt5Qf0augr54TN6suAUudPcawVZeIAPU7D4U=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/cmd/cmd.go

@@ -5,21 +5,20 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/loveuer/nf/nft/log"
+	"github.com/loveuer/esgo2dump/pkg/log"
 
 	"github.com/loveuer/esgo2dump/internal/opt"
 	"github.com/loveuer/esgo2dump/internal/tool"
 	"github.com/spf13/cobra"
 )
 
-var (
+var rootCommand = &cobra.Command{
-	rootCommand = &cobra.Command{
 	Use:           "esgo2dump",
 	Short:         "esgo2dump is alternative to elasticdump",
 	SilenceUsage:  true,
 	SilenceErrors: true,
 	RunE:          run,
-		PersistentPreRun: func(cmd *cobra.Command, args []string) {
+	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
 		if opt.Cfg.Debug {
 			log.SetLogLevel(log.LogLevelDebug)
 		}
@@ -32,16 +31,35 @@ var (
 		if opt.Cfg.Debug {
 			tool.TablePrinter(opt.Cfg)
 		}
+
+		// check args
+		if opt.Cfg.Args.Input == "" {
+			return cmd.Help()
+		}
+
+		if opt.Cfg.Args.Limit == 0 || opt.Cfg.Args.Limit > 10000 {
+			return fmt.Errorf("invalid limit(1 - 10000)")
+		}
+
+		if opt.Cfg.Args.Query != "" && opt.Cfg.Args.QueryFile != "" {
+			return fmt.Errorf("cannot specify both query and query_file at the same time")
+		}
+
+		switch opt.Cfg.Args.Type {
+		case "data", "mapping", "setting":
+		default:
+			return fmt.Errorf("unknown type=%s", opt.Cfg.Args.Type)
+		}
+
+		return nil
 	},
 	Example: `
+esgo2dump -i https://<user>:<password>@<es_node1_host>:<es_node1_port>,<es_node2_host>:<es_node2_port>/some_index?ping=false&sniff=false -o ./data.json
+
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json
 
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=http://192.168.1.1:9200/some_index --limit=5000
 
-esgo2dump --input=http://127.0.0.1:9200/some_index --i-version 6 --output=./data.json
-
-esgo2dump --output=http://127.0.0.1:9200/some_index --o-version 6 --input=./data.json
-
 esgo2dump --input=https://username:password@127.0.0.1:9200/some_index --output=./data.json
 
 esgo2dump --input=http://127.0.0.1:9200/some_index --source='id;name;age;address' --output=./data.json
@@ -51,9 +69,6 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query=
 esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_file=my_queries.json`,
 }
 
-	es_iversion, es_oversion string
-)
-
 func init() {
 	rootCommand.PersistentFlags().BoolVar(&opt.Cfg.Debug, "debug", false, "")
 	rootCommand.PersistentFlags().BoolVar(&opt.Cfg.Dev, "dev", false, "")
@@ -63,16 +78,15 @@ func init() {
 	rootCommand.Flags().IntVar(&opt.Cfg.Args.Timeout, "timeout", 30, "max timeout seconds per operation with limit")
 	rootCommand.Flags().StringVarP(&opt.Cfg.Args.Input, "input", "i", "", "*required: input file or es url (example :data.json / http://127.0.0.1:9200/my_index)")
 	rootCommand.Flags().StringVarP(&opt.Cfg.Args.Output, "output", "o", "output.json", "")
-	rootCommand.Flags().StringVar(&es_iversion, "i-version", "7", "input(es) version")
-	rootCommand.Flags().StringVar(&es_oversion, "o-version", "7", "output(es) version")
 	rootCommand.Flags().StringVarP(&opt.Cfg.Args.Type, "type", "t", "data", "data/mapping/setting")
-	rootCommand.Flags().StringVar(&opt.Cfg.Args.Source, "source", "", "query source, use ';' to separate")
+	rootCommand.Flags().StringVar(&opt.Cfg.Args.Field, "field", "", "query include field, use ',' to separate")
-	rootCommand.Flags().StringVar(&opt.Cfg.Args.Sort, "sort", "", "sort, <field>:<direction> format, for example: time:desc or name:asc")
+	rootCommand.Flags().StringVar(&opt.Cfg.Args.Sort, "sort", "", "sort, <field>:<direction> format, for example: time:desc or name:asc, user ',' to separate")
 	rootCommand.Flags().StringVar(&opt.Cfg.Args.Query, "query", "", `query dsl, example: {"bool":{"must":[{"term":{"name":{"value":"some_name"}}}],"must_not":[{"range":{"age":{"gte":18,"lt":60}}}]}}`)
 	rootCommand.Flags().StringVar(&opt.Cfg.Args.QueryFile, "query_file", "", `query json file (will execute line by line)`)
 	rootCommand.Flags().IntVar(&opt.Cfg.Args.Limit, "limit", 100, "")
+	rootCommand.Flags().IntVar(&opt.Cfg.Args.Max, "max", 0, "max dump records")
 }
 
-func Start(ctx context.Context) error {
+func Run(ctx context.Context) error {
 	return rootCommand.ExecuteContext(ctx)
 }

internal/cmd/run.go

@@ -4,302 +4,222 @@ import (
 	"bufio"
 	"context"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"net/url"
 	"os"
 	"strings"
-	"sync"
 
-	"github.com/loveuer/esgo2dump/model"
+	elastic "github.com/elastic/go-elasticsearch/v7"
-	"github.com/loveuer/nf/nft/log"
+	"github.com/go-resty/resty/v2"
-
-	"github.com/loveuer/esgo2dump/internal/interfaces"
 	"github.com/loveuer/esgo2dump/internal/opt"
-	"github.com/loveuer/esgo2dump/internal/xes"
+	"github.com/loveuer/esgo2dump/internal/tool"
 	"github.com/loveuer/esgo2dump/internal/xfile"
+	"github.com/loveuer/esgo2dump/pkg/log"
+	"github.com/loveuer/esgo2dump/pkg/model"
+	"github.com/loveuer/esgo2dump/xes/es7"
 	"github.com/samber/lo"
 	"github.com/spf13/cobra"
 )
 
-func check(cmd *cobra.Command) error {
+func newIO(ctx context.Context, uri string, ioType model.IOType) (model.IO[map[string]any], error) {
-	if opt.Cfg.Args.Input == "" {
+	type Version struct {
-		return cmd.Help()
+		Name    string
-		// return fmt.Errorf("must specify input(example: data.json/http://127.0.0.1:9200/my_index)")
+		Version struct {
+			Number string `json:"number"`
+		} `json:"version"`
 	}
 
-	if opt.Cfg.Args.Limit == 0 || opt.Cfg.Args.Limit > 10000 {
+	var (
-		return fmt.Errorf("invalid limit(1 - 10000)")
+		err    error
+		target *url.URL
+		rr     *resty.Response
+		v      Version
+	)
+
+	if target, err = url.Parse(uri); err != nil {
+		log.Debug("parse uri failed, type = %s, uri = %s, err = %s", ioType, uri, err.Error())
+		return xfile.NewClient(uri, ioType)
 	}
 
-	if opt.Cfg.Args.Query != "" && opt.Cfg.Args.QueryFile != "" {
+	if err = tool.ValidScheme(target.Scheme); err != nil {
-		return fmt.Errorf("cannot specify both query and query_file at the same time")
+		log.Debug("uri scheme check failed, type = %s, uri = %s", ioType, uri)
+		return xfile.NewClient(uri, ioType)
 	}
 
-	switch opt.Cfg.Args.Type {
+	// elastic uri
-	case "data", "mapping", "setting":
+	index := strings.TrimPrefix(target.Path, "/")
+	if index == "" {
+		return nil, fmt.Errorf("uri invalid without index(path)")
+	}
+
+	log.Debug("%s uri es index = %s", ioType, index)
+
+	versionURL := fmt.Sprintf("%s://%s", target.Scheme, strings.Split(target.Host, ",")[0])
+	log.Debug("%s version url = %s", ioType, versionURL)
+	if rr, err = opt.HttpClient.R().Get(versionURL); err != nil {
+		log.Debug("get uri es version failed, type = %s, uri = %s, version_url = %s, err = %s", ioType, uri, versionURL, err.Error())
+	}
+
+	if err = json.Unmarshal(rr.Body(), &v); err != nil {
+		log.Debug("decode uri es version failed, type = %s, uri = %s, version_url = %s, err = %s", ioType, uri, versionURL, err.Error())
+		return nil, err
+	}
+
+	log.Debug("%s uri es version = %s", ioType, v.Version.Number)
+
+	mainVersion := strings.Split(v.Version.Number, ".")[0]
+	switch mainVersion {
+	case "8":
+	case "7":
+		var client *elastic.Client
+		if client, err = es7.NewClient(ctx, uri); err != nil {
+			return nil, err
+		}
+
+		return es7.NewStreamer(ctx, client, index)
+	case "6":
 	default:
-		return fmt.Errorf("unknown type=%s", opt.Cfg.Args.Type)
+		return nil, fmt.Errorf("es version not supported yet: %s", mainVersion)
 	}
 
-	return nil
+	return nil, nil
 }
 
 func run(cmd *cobra.Command, args []string) error {
 	var (
 		err    error
-		ioi interfaces.DumpIO
+		input  model.IO[map[string]any]
-		ioo interfaces.DumpIO
+		output model.IO[map[string]any]
 	)
 
-	if err = check(cmd); err != nil {
+	if input, err = newIO(cmd.Context(), opt.Cfg.Args.Input, model.Input); err != nil {
 		return err
 	}
 
-	if ioi, err = newIO(opt.Cfg.Args.Input, interfaces.IOInput, es_iversion); err != nil {
+	if output, err = newIO(cmd.Context(), opt.Cfg.Args.Output, model.Output); err != nil {
 		return err
 	}
 
-	log.Debug("init: new input io success!")
+	go func() {
-
+		<-cmd.Context().Done()
-	if ioo, err = newIO(opt.Cfg.Args.Output, interfaces.IOOutput, es_oversion); err != nil {
+		os.Exit(1)
-		return err
-	}
-
-	log.Debug("init: new output io success!")
-
-	defer func() {
-		_ = ioi.Close()
-		_ = ioo.Close()
 	}()
 
-	if (opt.Cfg.Args.Query != "" || opt.Cfg.Args.QueryFile != "") && ioi.IsFile() {
+	if opt.Cfg.Args.QueryFile != "" {
-		return fmt.Errorf("with file input, query or query_file can't be supported")
+		// query file
-	}
-
-	if (opt.Cfg.Args.Source != "") && ioi.IsFile() {
-		return fmt.Errorf("with file input, source can't be supported")
-	}
-
-	switch opt.Cfg.Args.Type {
-	case "data":
-		if err = executeData(cmd.Context(), ioi, ioo); err != nil {
-			return err
-		}
-
-		log.Info("Dump: write data succeed!!!")
-
-		return nil
-	case "mapping":
-		var mapping map[string]any
-		if mapping, err = ioi.ReadMapping(cmd.Context()); err != nil {
-			return err
-		}
-
-		if err = ioo.WriteMapping(cmd.Context(), mapping); err != nil {
-			return err
-		}
-
-		log.Info("Dump: write mapping succeed!!!")
-
-		return nil
-	case "setting":
-		var setting map[string]any
-		if setting, err = ioi.ReadSetting(cmd.Context()); err != nil {
-			return err
-		}
-
-		if err = ioo.WriteSetting(cmd.Context(), setting); err != nil {
-			return err
-		}
-
-		log.Info("Dump: write setting succeed!!!")
-
-		return nil
-	default:
-		return fmt.Errorf("unknown type=%s", opt.Cfg.Args.Type)
-	}
-}
-
-func executeData(ctx context.Context, input, output interfaces.DumpIO) error {
 		var (
-		err     error
+			items []map[string]any
-		queries = make([]map[string]any, 0)
+			qf    *os.File
-		sources = make([]string, 0)
+			// wrote count
+			wc int
 		)
+		if qf, err = os.Open(opt.Cfg.Args.QueryFile); err != nil {
+			return err
+		}
 
-	if opt.Cfg.Args.Source != "" {
+		scanner := bufio.NewScanner(qf)
-		sources = lo.Map(strings.Split(opt.Cfg.Args.Source, ";"), func(item string, idx int) string {
+		// query count
-			return strings.TrimSpace(item)
+		qc := 0
-		})
+		for scanner.Scan() {
+			qc++
+			qm := make(map[string]any)
+			if err = json.Unmarshal(scanner.Bytes(), &qm); err != nil {
+				return err
+			}
+
+			for {
+				if items, err = input.ReadData(
+					opt.Cfg.Args.Limit,
+					qm,
+					lo.Filter(strings.Split(opt.Cfg.Args.Field, ","), func(x string, _ int) bool { return x != "" }),
+					lo.Filter(strings.Split(opt.Cfg.Args.Sort, ","), func(x string, _ int) bool { return x != "" }),
+				); err != nil {
+					return err
+				}
+
+				if len(items) == 0 {
+					break
+				}
+
+				if wc, err = output.WriteData(items); err != nil {
+					return err
+				}
+
+				if wc != len(items) {
+					return fmt.Errorf("got items %d, but wrote %d", len(items), wc)
+				}
+
+				log.Info("Dump: query_file[%06d] dump success = %d", qc, wc)
+			}
+		}
 	}
 
 	if opt.Cfg.Args.Query != "" {
-		query := make(map[string]any)
+		var (
-		if err = json.Unmarshal([]byte(opt.Cfg.Args.Query), &query); err != nil {
+			items []map[string]any
-			return fmt.Errorf("invalid query err=%v", err)
+			qm    = make(map[string]any)
+			wc    int
+		)
+
+		if err = json.Unmarshal([]byte(opt.Cfg.Args.Query), &qm); err != nil {
+			return err
 		}
 
-		queries = append(queries, query)
+		for {
+			if items, err = input.ReadData(
+				opt.Cfg.Args.Limit,
+				qm,
+				lo.Filter(strings.Split(opt.Cfg.Args.Field, ","), func(x string, _ int) bool { return x != "" }),
+				lo.Filter(strings.Split(opt.Cfg.Args.Sort, ","), func(x string, _ int) bool { return x != "" }),
+			); err != nil {
+				return err
 			}
 
-	if opt.Cfg.Args.QueryFile != "" {
+			if len(items) == 0 {
-		var qf *os.File
+				break
-
-		if qf, err = os.Open(opt.Cfg.Args.QueryFile); err != nil {
-			return fmt.Errorf("open query_file err=%v", err)
 			}
 
-		defer func() {
+			if wc, err = output.WriteData(items); err != nil {
-			_ = qf.Close()
+				return err
-		}()
-
-		scanner := bufio.NewScanner(qf)
-		scanner.Buffer(make([]byte, 1*1024*1024), 5*1024*1024)
-		lineCount := 1
-		for scanner.Scan() {
-			line := scanner.Text()
-			oq := make(map[string]any)
-			if err = json.Unmarshal([]byte(line), &oq); err != nil {
-				return fmt.Errorf("query file line=%d invalid err=%v", lineCount, err)
 			}
 
-			queries = append(queries, oq)
+			if wc != len(items) {
-
+				return fmt.Errorf("got items %d, but wrote %d", len(items), wc)
-			if len(queries) > 10000 {
-				return fmt.Errorf("query_file support max lines=%d", 10000)
 			}
 
-			lineCount++
+			log.Info("Dump: query dump success = %d", wc)
 		}
-
-	}
-
-	if len(queries) == 0 {
-		queries = append(queries, nil)
 	}
 
 	var (
-		ok   bool
+		items []map[string]any
-		docs []*model.ESSource
+		wc    int
-		dch  <-chan []*model.ESSource
-		ech  <-chan error
-
-		e2ch = make(chan error)
-		wch  = make(chan []*model.ESSource)
-		wg   = sync.WaitGroup{}
 	)
 
-	wg.Add(1)
-	go func() {
-		if err = output.WriteData(ctx, wch); err != nil {
-			log.Fatal("Dump: write data err: %s", err.Error())
-		}
-
-		wg.Done()
-	}()
-
-	log.Info("Query: got queries=%d", len(queries))
-
-Loop:
-	for queryIdx, query := range queries {
-		bs, _ := json.Marshal(query)
-
-		log.Debug("Query[%d]: %s", queryIdx, string(bs))
-
-		dch, ech = input.ReadData(ctx, opt.Cfg.Args.Limit, query, sources, []string{opt.Cfg.Args.Sort})
-
 	for {
-			select {
+		if items, err = input.ReadData(
-			case <-ctx.Done():
+			opt.Cfg.Args.Limit,
-				return ctx.Err()
+			nil,
-			case err, ok = <-ech:
+			lo.Filter(strings.Split(opt.Cfg.Args.Field, ","), func(x string, _ int) bool { return x != "" }),
-				if !ok {
+			lo.Filter(strings.Split(opt.Cfg.Args.Sort, ","), func(x string, _ int) bool { return x != "" }),
-					log.Debug("pipe: read io closed")
+		); err != nil {
-					continue Loop
-				}
-				log.Debug("pipe: got err from read io, err = %s", err.Error())
 			return err
-			case err, ok = <-e2ch:
-				if !ok {
-					log.Debug("pipe: write io closed")
-					continue Loop
 		}
-				log.Debug("pipe: got err from write io, err = %s", err.Error())
+
+		if len(items) == 0 {
+			break
+		}
+
+		if wc, err = output.WriteData(items); err != nil {
 			return err
-			case docs, ok = <-dch:
-				if !ok || len(docs) == 0 {
-					continue Loop
 		}
 
-				log.Debug("pipe: got %d docs from read io", len(docs))
+		if wc != len(items) {
-
+			return fmt.Errorf("got items %d, but wrote %d", len(items), wc)
-				wch <- docs
-			}
-		}
 		}
 
-	close(wch)
+		log.Info("Dump: query dump success = %d", wc)
-
+	}
-	log.Debug("pipe: wait for all io closed")
-	wg.Wait()
 
 	return nil
 }
-
-func newIO(source string, ioType interfaces.IO, esv string) (interfaces.DumpIO, error) {
-	var (
-		err  error
-		iurl *url.URL
-		file *os.File
-		qm   = make(map[string]any)
-	)
-
-	log.Debug("action=%s, type=%s, source=%s, es_version=%s", "new_io", ioType.Code(), source, esv)
-
-	if iurl, err = url.Parse(source); err != nil {
-		log.Debug("action=%s, type=%s, source=%s, err=%s", "new_io url parse err", ioType.Code(), source, err.Error())
-		goto ClientByFile
-	}
-
-	if !(iurl.Scheme == "http" || iurl.Scheme == "https") {
-		log.Debug("action=%s, type=%s, source=%s, scheme=%s", "new_io url scheme error", ioType.Code(), source, iurl.Scheme)
-		goto ClientByFile
-	}
-
-	if iurl.Host == "" {
-		log.Debug("action=%s, type=%s, source=%s", "new_io url host empty", ioType.Code(), source)
-		goto ClientByFile
-	}
-
-	if ioType == interfaces.IOInput && opt.Cfg.Args.Query != "" {
-		if err = json.Unmarshal([]byte(opt.Cfg.Args.Query), &qm); err != nil {
-			log.Debug("action=%s, type=%s, source=%s, query=%s", "new_io query string invalid", ioType.Code(), source, opt.Cfg.Args.Query)
-			return nil, fmt.Errorf("invalid query err=%v", err)
-		}
-	}
-
-	switch esv {
-	case "7":
-		return xes.NewClient(source, ioType)
-	case "6":
-		return xes.NewClientV6(iurl, ioType)
-	case "8":
-		return nil, errors.New("es version 8 coming soon")
-	default:
-		return nil, fmt.Errorf("unknown es version=%s", esv)
-	}
-
-ClientByFile:
-	if ioType == interfaces.IOOutput {
-		if _, err = os.Stat(source); !os.IsNotExist(err) {
-			return nil, fmt.Errorf("output_file=%s already exist", source)
-		}
-	}
-
-	if file, err = os.OpenFile(source, os.O_CREATE|os.O_RDWR, 0o644); err != nil {
-		return nil, err
-	}
-
-	return xfile.NewClient(file, ioType)
-}

internal/interfaces/dumpio.go

@@ -1,23 +0,0 @@
-package interfaces
-
-import (
-	"context"
-
-	"github.com/loveuer/esgo2dump/model"
-)
-
-type DumpIO interface {
-	ReadData(ctx context.Context, size int, query map[string]any, includeFields []string, sort []string) (<-chan []*model.ESSource, <-chan error)
-	WriteData(ctx context.Context, docsCh <-chan []*model.ESSource) error
-
-	ReadMapping(context.Context) (map[string]any, error)
-	WriteMapping(context.Context, map[string]any) error
-
-	ReadSetting(ctx context.Context) (map[string]any, error)
-	WriteSetting(context.Context, map[string]any) error
-
-	Close() error
-
-	IOType() IO
-	IsFile() bool
-}

internal/interfaces/enum.go

@@ -1,27 +0,0 @@
-package interfaces
-
-type IO int64
-
-const (
-	IOInput IO = iota
-	IOOutput
-)
-
-func (io IO) Code() string {
-	switch io {
-	case IOInput:
-		return "input"
-	case IOOutput:
-		return "output"
-	default:
-		return "unknown"
-	}
-}
-
-type DataType int64
-
-const (
-	DataTypeData DataType = iota
-	DataTypeMapping
-	DataTypeSetting
-)

internal/opt/opt.go

@@ -8,7 +8,7 @@ type args struct {
 	Max       int
 	Type      string
 	Timeout   int
-	Source    string
+	Field     string
 	Sort      string
 	Query     string
 	QueryFile string

internal/opt/var.go

@@ -1,5 +1,11 @@
 package opt
 
+import (
+	"crypto/tls"
+
+	"github.com/go-resty/resty/v2"
+)
+
 const (
 	ScrollDurationSeconds = 10 * 60
 	DefaultSize           = 100
@@ -11,4 +17,6 @@ var (
 
 	BuffSize    = 5 * 1024 * 1024   // 5M
 	MaxBuffSize = 100 * 1024 * 1024 // 100M, default elastic_search doc max size
+
+	HttpClient = resty.New().SetTLSClientConfig(&tls.Config{InsecureSkipVerify: true})
 )

internal/tool/table.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 
 	"github.com/jedib0t/go-pretty/v6/table"
-	"github.com/loveuer/nf/nft/log"
+	"github.com/loveuer/esgo2dump/pkg/log"
 )
 
 func TablePrinter(data any, writers ...io.Writer) {

internal/tool/validate.go

@@ -0,0 +1,15 @@
+package tool
+
+import (
+	"fmt"
+	"strings"
+)
+
+func ValidScheme(scheme string) error {
+	switch strings.ToLower(scheme) {
+	case "http", "https":
+		return nil
+	default:
+		return fmt.Errorf("invalid scheme: %s", scheme)
+	}
+}

internal/xes/xes6.go

@@ -1,234 +0,0 @@
-package xes
-
-import (
-	"bytes"
-	"context"
-	"crypto/tls"
-	"encoding/json"
-	"fmt"
-	"net"
-	"net/http"
-	"net/url"
-	"strings"
-	"time"
-
-	"github.com/loveuer/esgo2dump/model"
-	"github.com/loveuer/esgo2dump/xes/es6"
-	"github.com/loveuer/nf/nft/log"
-
-	elastic "github.com/elastic/go-elasticsearch/v6"
-	"github.com/elastic/go-elasticsearch/v6/esapi"
-	"github.com/loveuer/esgo2dump/internal/interfaces"
-	"github.com/loveuer/esgo2dump/internal/opt"
-	"github.com/loveuer/esgo2dump/internal/tool"
-)
-
-func NewClientV6(url *url.URL, iot interfaces.IO) (interfaces.DumpIO, error) {
-	var (
-		address     = fmt.Sprintf("%s://%s", url.Scheme, url.Host)
-		urlIndex    = strings.TrimPrefix(url.Path, "/")
-		urlUsername string
-		urlPassword string
-		errCh       = make(chan error)
-		cliCh       = make(chan *elastic.Client)
-	)
-
-	if url.User != nil {
-		urlUsername = url.User.Username()
-		if p, ok := url.User.Password(); ok {
-			urlPassword = p
-		}
-	}
-
-	log.Debug("action=%s, endpoint=%s, index=%s, username=%s, password=%s", "new es client v6", address, urlIndex, urlUsername, urlPassword)
-
-	if urlIndex == "" {
-		return nil, fmt.Errorf("please specify index name: (like => http://127.0.0.1:9200/my_index)")
-	}
-
-	ncFunc := func(endpoints []string, username, password, index string) {
-		var (
-			err      error
-			cli      *elastic.Client
-			infoResp *esapi.Response
-		)
-
-		if cli, err = elastic.NewClient(
-			elastic.Config{
-				Addresses:     endpoints,
-				Username:      username,
-				Password:      password,
-				CACert:        nil,
-				RetryOnStatus: []int{429},
-				MaxRetries:    3,
-				RetryBackoff:  nil,
-				Transport: &http.Transport{
-					TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
-					DialContext:     (&net.Dialer{Timeout: 10 * time.Second}).DialContext,
-				},
-			},
-		); err != nil {
-			log.Debug("action=%s, endpoints=%v, err=%s", "new es client v6 error", endpoints, err.Error())
-			errCh <- err
-			return
-		}
-
-		if infoResp, err = cli.Info(); err != nil {
-			log.Debug("action=%s, endpoints=%v, err=%s", "new es client v6 info error", endpoints, err.Error())
-			errCh <- err
-			return
-		}
-
-		if infoResp.StatusCode != 200 {
-			err = fmt.Errorf("info xes status=%d", infoResp.StatusCode)
-			log.Debug("action=%s, endpoints=%v, err=%s", "es client v6 ping status error", endpoints, err.Error())
-			errCh <- err
-			return
-		}
-
-		cliCh <- cli
-	}
-
-	go ncFunc([]string{address}, urlUsername, urlPassword, urlIndex)
-
-	select {
-	case <-tool.Timeout(10).Done():
-		return nil, fmt.Errorf("dial es=%s err=%v", address, context.DeadlineExceeded)
-	case c := <-cliCh:
-		return &clientv6{client: c, index: urlIndex, iot: iot}, nil
-	case e := <-errCh:
-		return nil, e
-	}
-}
-
-type clientv6 struct {
-	client *elastic.Client
-	iot    interfaces.IO
-	index  string
-}
-
-func (c *clientv6) Info(msg string, data ...any) {
-	log.Info(msg, data...)
-}
-
-func (c *clientv6) WriteData(ctx context.Context, docsCh <-chan []*model.ESSource) error {
-	return es6.WriteData(ctx, c.client, c.index, docsCh, c)
-}
-
-func (c *clientv6) checkResponse(r *esapi.Response) error {
-	if r.StatusCode == 200 {
-		return nil
-	}
-
-	return fmt.Errorf("status=%d msg=%s", r.StatusCode, r.String())
-}
-
-func (c *clientv6) IOType() interfaces.IO {
-	return c.iot
-}
-
-func (c *clientv6) IsFile() bool {
-	return false
-}
-
-func (c *clientv6) Close() error {
-	return nil
-}
-
-func (c *clientv6) ReadData(ctx context.Context, size int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
-	dch, ech := es6.ReadData(ctx, c.client, c.index, size, 0, query, source, sort)
-
-	return dch, ech
-}
-
-func (c *clientv6) ReadMapping(ctx context.Context) (map[string]any, error) {
-	r, err := c.client.Indices.GetMapping(
-		c.client.Indices.GetMapping.WithIndex(c.index),
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	if r.StatusCode != 200 {
-		return nil, fmt.Errorf("status=%d, msg=%s", r.StatusCode, r.String())
-	}
-
-	m := make(map[string]any)
-	decoder := json.NewDecoder(r.Body)
-	if err = decoder.Decode(&m); err != nil {
-		return nil, err
-	}
-
-	return m, nil
-}
-
-func (c *clientv6) WriteMapping(ctx context.Context, m map[string]any) error {
-	var (
-		err    error
-		bs     []byte
-		result *esapi.Response
-	)
-
-	for idxKey := range m {
-		if bs, err = json.Marshal(m[idxKey]); err != nil {
-			return err
-		}
-
-		if result, err = c.client.Indices.Create(
-			c.index,
-			c.client.Indices.Create.WithContext(tool.TimeoutCtx(ctx, opt.Timeout)),
-			c.client.Indices.Create.WithBody(bytes.NewReader(bs)),
-		); err != nil {
-			return err
-		}
-
-		if err = c.checkResponse(result); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (c *clientv6) ReadSetting(ctx context.Context) (map[string]any, error) {
-	r, err := c.client.Indices.GetSettings(
-		c.client.Indices.GetSettings.WithContext(tool.TimeoutCtx(ctx, opt.Timeout)),
-		c.client.Indices.GetSettings.WithIndex(c.index),
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	if r.StatusCode != 200 {
-		return nil, fmt.Errorf("status=%d, msg=%s", r.StatusCode, r.String())
-	}
-
-	m := make(map[string]any)
-	decoder := json.NewDecoder(r.Body)
-	if err = decoder.Decode(&m); err != nil {
-		return nil, err
-	}
-
-	return m, nil
-}
-
-func (c *clientv6) WriteSetting(ctx context.Context, m map[string]any) error {
-	var (
-		err    error
-		bs     []byte
-		result *esapi.Response
-	)
-
-	if bs, err = json.Marshal(m); err != nil {
-		return err
-	}
-
-	if result, err = c.client.Indices.PutSettings(
-		bytes.NewReader(bs),
-		c.client.Indices.PutSettings.WithContext(tool.TimeoutCtx(ctx, opt.Timeout)),
-	); err != nil {
-		return err
-	}
-
-	return c.checkResponse(result)
-}

internal/xes/xes7.go

@@ -1,174 +0,0 @@
-package xes
-
-import (
-	"bytes"
-	"context"
-	"encoding/json"
-	"fmt"
-	"net/url"
-	"strings"
-
-	elastic "github.com/elastic/go-elasticsearch/v7"
-	"github.com/elastic/go-elasticsearch/v7/esapi"
-	"github.com/loveuer/esgo2dump/internal/interfaces"
-	"github.com/loveuer/esgo2dump/internal/opt"
-	"github.com/loveuer/esgo2dump/internal/tool"
-	"github.com/loveuer/esgo2dump/model"
-	"github.com/loveuer/esgo2dump/xes/es7"
-	"github.com/loveuer/nf/nft/log"
-)
-
-type client struct {
-	client *elastic.Client
-	iot    interfaces.IO
-	index  string
-}
-
-func (c *client) Info(msg string, data ...any) {
-	log.Info(msg, data...)
-}
-
-func (c *client) WriteData(ctx context.Context, docsCh <-chan []*model.ESSource) error {
-	return es7.WriteData(ctx, c.client, c.index, docsCh, c)
-}
-
-func NewClient(uri string, iot interfaces.IO) (interfaces.DumpIO, error) {
-	var (
-		cli   *elastic.Client
-		err   error
-		ins   *url.URL
-		index string
-	)
-
-	if ins, err = url.Parse(uri); err != nil {
-		return nil, err
-	}
-
-	if index = strings.TrimSpace(strings.TrimPrefix(ins.Path, "/")); index == "" {
-		return nil, fmt.Errorf("please specify index name: (like => http://127.0.0.1:9200/my_index)")
-	}
-
-	if cli, err = es7.NewClient(context.TODO(), uri, es7.Config{DisablePing: opt.Cfg.DisablePing}); err != nil {
-		return nil, err
-	}
-
-	return &client{client: cli, iot: iot, index: index}, nil
-}
-
-func (c *client) checkResponse(r *esapi.Response) error {
-	if r.StatusCode == 200 {
-		return nil
-	}
-
-	return fmt.Errorf("status=%d msg=%s", r.StatusCode, r.String())
-}
-
-func (c *client) IOType() interfaces.IO {
-	return c.iot
-}
-
-func (c *client) IsFile() bool {
-	return false
-}
-
-func (c *client) Close() error {
-	return nil
-}
-
-func (c *client) ReadData(ctx context.Context, size int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
-	dch, ech := es7.ReadData(ctx, c.client, c.index, size, 0, query, source, sort)
-
-	return dch, ech
-}
-
-func (c *client) ReadMapping(ctx context.Context) (map[string]any, error) {
-	r, err := c.client.Indices.GetMapping(
-		c.client.Indices.GetMapping.WithIndex(c.index),
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	if r.StatusCode != 200 {
-		return nil, fmt.Errorf("status=%d, msg=%s", r.StatusCode, r.String())
-	}
-
-	m := make(map[string]any)
-	decoder := json.NewDecoder(r.Body)
-	if err = decoder.Decode(&m); err != nil {
-		return nil, err
-	}
-
-	return m, nil
-}
-
-func (c *client) WriteMapping(ctx context.Context, m map[string]any) error {
-	var (
-		err    error
-		bs     []byte
-		result *esapi.Response
-	)
-
-	for idxKey := range m {
-		if bs, err = json.Marshal(m[idxKey]); err != nil {
-			return err
-		}
-
-		if result, err = c.client.Indices.Create(
-			c.index,
-			c.client.Indices.Create.WithContext(tool.TimeoutCtx(ctx, opt.Timeout)),
-			c.client.Indices.Create.WithBody(bytes.NewReader(bs)),
-		); err != nil {
-			return err
-		}
-
-		if err = c.checkResponse(result); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (c *client) ReadSetting(ctx context.Context) (map[string]any, error) {
-	r, err := c.client.Indices.GetSettings(
-		c.client.Indices.GetSettings.WithContext(tool.TimeoutCtx(ctx, opt.Timeout)),
-		c.client.Indices.GetSettings.WithIndex(c.index),
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	if r.StatusCode != 200 {
-		return nil, fmt.Errorf("status=%d, msg=%s", r.StatusCode, r.String())
-	}
-
-	m := make(map[string]any)
-	decoder := json.NewDecoder(r.Body)
-	if err = decoder.Decode(&m); err != nil {
-		return nil, err
-	}
-
-	return m, nil
-}
-
-func (c *client) WriteSetting(ctx context.Context, m map[string]any) error {
-	var (
-		err    error
-		bs     []byte
-		result *esapi.Response
-	)
-
-	if bs, err = json.Marshal(m); err != nil {
-		return err
-	}
-
-	if result, err = c.client.Indices.PutSettings(
-		bytes.NewReader(bs),
-		c.client.Indices.PutSettings.WithContext(tool.TimeoutCtx(ctx, opt.Timeout)),
-	); err != nil {
-		return err
-	}
-
-	return c.checkResponse(result)
-}

internal/xes/xes7_test.go

@@ -1,107 +0,0 @@
-package xes
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"testing"
-
-	elastic "github.com/elastic/go-elasticsearch/v7"
-	"github.com/loveuer/esgo2dump/internal/tool"
-)
-
-func TestGetESMapping(t *testing.T) {
-	endpoint := "http://127.0.0.1:9200"
-	index := "some_index"
-
-	cli, err := elastic.NewClient(elastic.Config{
-		Addresses: []string{endpoint},
-	})
-	if err != nil {
-		t.Error(1, err)
-		return
-	}
-
-	resp, err := cli.Info(cli.Info.WithContext(tool.Timeout(5)))
-	if err != nil {
-		t.Error(2, err)
-		return
-	}
-
-	t.Log("info:", resp.String())
-
-	r, err := cli.Indices.GetMapping(
-		cli.Indices.GetMapping.WithIndex(index),
-	)
-	if err != nil {
-		t.Error(3, err)
-		return
-	}
-
-	t.Log("get source:", r.String())
-}
-
-func TestScanWithInterrupt(t *testing.T) {
-	filename := "test_scan.txt"
-	f, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE, 0o644)
-	if err != nil {
-		t.Error(1, err)
-		return
-	}
-	defer func() {
-		os.Remove(filename)
-	}()
-	f.WriteString(`line 01
-line 02
-line 03
-line 04
-line 05
-line 06
-line 07
-line 08
-line 09
-line 10
-line 11
-line 12
-line 13
-line 14
-line 15`)
-	f.Close()
-
-	of, err := os.Open(filename)
-	if err != nil {
-		t.Error(2, err)
-		return
-	}
-
-	scanner := bufio.NewScanner(of)
-
-	count := 0
-	for scanner.Scan() {
-		text := scanner.Text()
-		fmt.Printf("[line: %2d] = %s\n", count, text)
-		count++
-
-		if count > 5 {
-			break
-		}
-	}
-
-	count = 0
-	for scanner.Scan() {
-		text := scanner.Text()
-		fmt.Printf("[line: %2d] = %s\n", count, text)
-		count++
-
-		if count > 5 {
-			break
-		}
-	}
-
-	count = 0
-	for scanner.Scan() {
-		text := scanner.Text()
-		fmt.Printf("[line: %2d] = %s\n", count, text)
-		count++
-	}
-}

internal/xfile/xfile.go

@@ -2,189 +2,117 @@ package xfile
 
 import (
 	"bufio"
-	"context"
 	"encoding/json"
-	"io"
+	"fmt"
 	"os"
 
 	"github.com/loveuer/esgo2dump/internal/opt"
-	"github.com/loveuer/esgo2dump/model"
+	"github.com/loveuer/esgo2dump/pkg/log"
-	"github.com/loveuer/nf/nft/log"
+	"github.com/loveuer/esgo2dump/pkg/model"
-
-	"github.com/loveuer/esgo2dump/internal/interfaces"
 )
 
 type client struct {
+	info    os.FileInfo
 	f       *os.File
-	iot     interfaces.IO
 	scanner *bufio.Scanner
 }
 
-func (c *client) WriteData(ctx context.Context, docsCh <-chan []*model.ESSource) error {
+// Read implements model.IO.
-	total := 0
+func (c *client) ReadData(limit int, query map[string]any, fields []string, sort []string) ([]map[string]any, error) {
-	for line := range docsCh {
+	if len(query) != 0 {
-		for _, doc := range line {
+		return nil, fmt.Errorf("file with query is unsupported")
-			bs, err := json.Marshal(doc)
-			if err != nil {
-				return err
 	}
 
-			if _, err = c.f.Write(append(bs, '\n')); err != nil {
+	if len(sort) != 0 {
-				return err
+		return nil, fmt.Errorf("file with sort is unsupported")
-			}
 	}
 
-		count := len(line)
+	list := make([]map[string]any, 0, limit)
-		total += count
-
-		log.Info("Dump: succeed=%d total=%d docs succeed!!!", count, total)
-	}
-
-	return nil
-}
-
-func (c *client) ReadMapping(ctx context.Context) (map[string]any, error) {
-	var (
-		err error
-		bs  []byte
-	)
-
-	if bs, err = io.ReadAll(c.f); err != nil {
-		return nil, err
-	}
-
-	m := make(map[string]any)
-
-	if err = json.Unmarshal(bs, &m); err != nil {
-		return nil, err
-	}
-
-	return m, nil
-}
-
-func (c *client) ReadSetting(ctx context.Context) (map[string]any, error) {
-	var (
-		err error
-		bs  []byte
-	)
-
-	if bs, err = io.ReadAll(c.f); err != nil {
-		return nil, err
-	}
-
-	m := make(map[string]any)
-
-	if err = json.Unmarshal(bs, &m); err != nil {
-		return nil, err
-	}
-
-	return m, nil
-}
-
-func (c *client) WriteMapping(ctx context.Context, m map[string]any) error {
-	bs, err := json.Marshal(m)
-	if err != nil {
-		return err
-	}
-
-	_, err = c.f.Write(bs)
-
-	return err
-}
-
-func (c *client) WriteSetting(ctx context.Context, m map[string]any) error {
-	bs, err := json.Marshal(m)
-	if err != nil {
-		return err
-	}
-
-	_, err = c.f.Write(bs)
-
-	return err
-}
-
-func (c *client) IOType() interfaces.IO {
-	return c.iot
-}
-
-func (c *client) IsFile() bool {
-	return true
-}
-
-func (c *client) ReadData(ctx context.Context, size int, _ map[string]any, _ []string, _ []string) (<-chan []*model.ESSource, <-chan error) {
-	var (
-		err   error
-		count int = 0
-		list      = make([]*model.ESSource, 0, size)
-		dch       = make(chan []*model.ESSource)
-		ech       = make(chan error)
-		ready     = make(chan bool)
-		total     = 0
-	)
-
-	go func(ctx context.Context) {
-		defer func() {
-			close(dch)
-			close(ech)
-		}()
-
-		ready <- true
 
 	for c.scanner.Scan() {
-			select {
-			case <-ctx.Done():
-				return
-			default:
-				item := new(model.ESSource)
 		line := c.scanner.Bytes()
+		item := make(map[string]any)
 
-				if err = json.Unmarshal(line, item); err != nil {
+		if err := json.Unmarshal(line, &item); err != nil {
-					ech <- err
+			return nil, err
-					return
+		}
+
+		if len(fields) > 0 {
+			// todo: pick fields
 		}
 
 		list = append(list, item)
-				count++
+
+		if len(list) >= limit {
+			return list, nil
+		}
+	}
+
+	return list, nil
+}
+
+// Write implements model.IO.
+func (c *client) WriteData(items []map[string]any) (int, error) {
+	total := 0
+	for _, item := range items {
+		bs, err := json.Marshal(item)
+		if err != nil {
+			return total, err
+		}
+
+		if _, err = c.f.Write(bs); err != nil {
+			return total, err
+		}
+
 		total++
 
-				if count >= size {
+		if _, err = c.f.WriteString("\n"); err != nil {
-					dch <- list
+			return total, err
-					list = list[:0]
-					count = 0
 		}
 	}
+
+	return total, nil
 }
 
-		if len(list) > 0 {
+func NewClient(path string, t model.IOType) (model.IO[map[string]any], error) {
-			dch <- list
+	var (
-			list = list[:0]
+		info os.FileInfo
-			count = 0
+		err  error
+		f    *os.File
+	)
+
+	switch t {
+	case model.Input:
+		if info, err = os.Stat(path); err != nil {
+			return nil, err
 		}
 
-		if err = c.scanner.Err(); err != nil {
+		log.Debug("input file: %s, size: %d", path, info.Size())
-			ech <- err
+
+		if f, err = os.Open(path); err != nil {
+			return nil, err
+		}
+	case model.Output:
+		if info, err = os.Stat(path); err == nil {
+			return nil, fmt.Errorf("file already exists: %s", path)
 		}
 
-		log.Debug("read: read file succeed! total=%d", total)
+		if !os.IsNotExist(err) {
-	}(ctx)
+			return nil, err
-
-	<-ready
-
-	return dch, ech
 		}
 
-func (c *client) Close() error {
+		if f, err = os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0o644); err != nil {
-	return c.f.Close()
+			return nil, err
+		}
+	default:
+		return nil, fmt.Errorf("unknown type: %s", t)
 	}
 
-func NewClient(file *os.File, ioType interfaces.IO) (interfaces.DumpIO, error) {
+	c := &client{f: f, info: info}
-	c := &client{f: file, iot: ioType}
-
-	if ioType == interfaces.IOInput {
-		c.scanner = bufio.NewScanner(c.f)
 	buf := make([]byte, opt.BuffSize)
-		c.scanner.Buffer(buf, opt.MaxBuffSize)
+	scanner := bufio.NewScanner(c.f)
-	}
+	scanner.Buffer(buf, opt.MaxBuffSize)
+	c.scanner = scanner
 
 	return c, nil
 }

main.go

@@ -5,7 +5,7 @@ import (
 	"os/signal"
 	"syscall"
 
-	"github.com/loveuer/nf/nft/log"
+	"github.com/loveuer/esgo2dump/pkg/log"
 
 	"github.com/loveuer/esgo2dump/internal/cmd"
 )
@@ -14,7 +14,7 @@ func main() {
 	ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
 	defer cancel()
 
-	if err := cmd.Start(ctx); err != nil {
+	if err := cmd.Run(ctx); err != nil {
 		log.Error(err.Error())
 		return
 	}

pkg/log/default.go

@@ -0,0 +1,67 @@
+package log
+
+import (
+	"fmt"
+	"os"
+	"sync"
+)
+
+var (
+	nilLogger    = func(prefix, timestamp, msg string, data ...any) {}
+	normalLogger = func(prefix, timestamp, msg string, data ...any) {
+		fmt.Printf(prefix+"| "+timestamp+" | "+msg+"\n", data...)
+	}
+
+	panicLogger = func(prefix, timestamp, msg string, data ...any) {
+		panic(fmt.Sprintf(prefix+"| "+timestamp+" | "+msg+"\n", data...))
+	}
+
+	fatalLogger = func(prefix, timestamp, msg string, data ...any) {
+		fmt.Printf(prefix+"| "+timestamp+" | "+msg+"\n", data...)
+		os.Exit(1)
+	}
+
+	DefaultLogger = &logger{
+		Mutex:      sync.Mutex{},
+		timeFormat: "2006-01-02T15:04:05",
+		writer:     os.Stdout,
+		level:      LogLevelInfo,
+		debug:      nilLogger,
+		info:       normalLogger,
+		warn:       normalLogger,
+		error:      normalLogger,
+		panic:      panicLogger,
+		fatal:      fatalLogger,
+	}
+)
+
+func SetTimeFormat(format string) {
+	DefaultLogger.SetTimeFormat(format)
+}
+
+func SetLogLevel(level LogLevel) {
+	DefaultLogger.SetLogLevel(level)
+}
+
+func Debug(msg string, data ...any) {
+	DefaultLogger.Debug(msg, data...)
+}
+func Info(msg string, data ...any) {
+	DefaultLogger.Info(msg, data...)
+}
+
+func Warn(msg string, data ...any) {
+	DefaultLogger.Warn(msg, data...)
+}
+
+func Error(msg string, data ...any) {
+	DefaultLogger.Error(msg, data...)
+}
+
+func Panic(msg string, data ...any) {
+	DefaultLogger.Panic(msg, data...)
+}
+
+func Fatal(msg string, data ...any) {
+	DefaultLogger.Fatal(msg, data...)
+}

pkg/log/log.go

@@ -0,0 +1,115 @@
+package log
+
+import (
+	"github.com/fatih/color"
+	"io"
+	"sync"
+	"time"
+)
+
+type LogLevel uint32
+
+const (
+	LogLevelDebug = iota
+	LogLevelInfo
+	LogLevelWarn
+	LogLevelError
+	LogLevelPanic
+	LogLevelFatal
+)
+
+type logger struct {
+	sync.Mutex
+	timeFormat string
+	writer     io.Writer
+	level      LogLevel
+	debug      func(prefix, timestamp, msg string, data ...any)
+	info       func(prefix, timestamp, msg string, data ...any)
+	warn       func(prefix, timestamp, msg string, data ...any)
+	error      func(prefix, timestamp, msg string, data ...any)
+	panic      func(prefix, timestamp, msg string, data ...any)
+	fatal      func(prefix, timestamp, msg string, data ...any)
+}
+
+var (
+	red    = color.New(color.FgRed)
+	hired  = color.New(color.FgHiRed)
+	green  = color.New(color.FgGreen)
+	yellow = color.New(color.FgYellow)
+	white  = color.New(color.FgWhite)
+)
+
+func (l *logger) SetTimeFormat(format string) {
+	l.Lock()
+	defer l.Unlock()
+	l.timeFormat = format
+}
+
+func (l *logger) SetLogLevel(level LogLevel) {
+	l.Lock()
+	defer l.Unlock()
+
+	if level > LogLevelDebug {
+		l.debug = nilLogger
+	} else {
+		l.debug = normalLogger
+	}
+
+	if level > LogLevelInfo {
+		l.info = nilLogger
+	} else {
+		l.info = normalLogger
+	}
+
+	if level > LogLevelWarn {
+		l.warn = nilLogger
+	} else {
+		l.warn = normalLogger
+	}
+
+	if level > LogLevelError {
+		l.error = nilLogger
+	} else {
+		l.error = normalLogger
+	}
+
+	if level > LogLevelPanic {
+		l.panic = nilLogger
+	} else {
+		l.panic = panicLogger
+	}
+
+	if level > LogLevelFatal {
+		l.fatal = nilLogger
+	} else {
+		l.fatal = fatalLogger
+	}
+}
+
+func (l *logger) Debug(msg string, data ...any) {
+	l.debug(white.Sprint("Debug "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Info(msg string, data ...any) {
+	l.info(green.Sprint("Info  "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Warn(msg string, data ...any) {
+	l.warn(yellow.Sprint("Warn  "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Error(msg string, data ...any) {
+	l.error(red.Sprint("Error "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Panic(msg string, data ...any) {
+	l.panic(hired.Sprint("Panic "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+func (l *logger) Fatal(msg string, data ...any) {
+	l.fatal(hired.Sprint("Fatal "), time.Now().Format(l.timeFormat), msg, data...)
+}
+
+type WroteLogger interface {
+	Info(msg string, data ...any)
+}

pkg/log/new.go

@@ -0,0 +1,21 @@
+package log
+
+import (
+	"os"
+	"sync"
+)
+
+func New() *logger {
+	return &logger{
+		Mutex:      sync.Mutex{},
+		timeFormat: "2006-01-02T15:04:05",
+		writer:     os.Stdout,
+		level:      LogLevelInfo,
+		debug:      nilLogger,
+		info:       normalLogger,
+		warn:       normalLogger,
+		error:      normalLogger,
+		panic:      panicLogger,
+		fatal:      fatalLogger,
+	}
+}

pkg/model/es.go

@@ -1,13 +1,13 @@
 package model
 
-type ESSource struct {
+type ESSource[T any] struct {
 	DocId   string `json:"_id"`
 	Index   string `json:"_index"`
-	Content map[string]any `json:"_source"`
+	Content T      `json:"_source"`
 	Sort    []any  `json:"sort"`
 }
 
-type ESResponseV6 struct {
+type ESResponseV6[T any] struct {
 	ScrollId string `json:"_scroll_id"`
 	Took     int    `json:"took"`
 	TimedOut bool   `json:"timed_out"`
@@ -20,11 +20,11 @@ type ESResponseV6 struct {
 	Hits struct {
 		Total    int            `json:"total"`
 		MaxScore float64        `json:"max_score"`
-		Hits     []*ESSource `json:"hits"`
+		Hits     []*ESSource[T] `json:"hits"`
 	} `json:"hits"`
 }
 
-type ESResponseV7 struct {
+type ESResponseV7[T any] struct {
 	ScrollId string `json:"_scroll_id"`
 	Took     int    `json:"took"`
 	TimedOut bool   `json:"timed_out"`
@@ -40,6 +40,6 @@ type ESResponseV7 struct {
 			Relation string `json:"relation"`
 		} `json:"total"`
 		MaxScore float64        `json:"max_score"`
-		Hits     []*ESSource `json:"hits"`
+		Hits     []*ESSource[T] `json:"hits"`
 	} `json:"hits"`
 }

pkg/model/io.go

@@ -0,0 +1,13 @@
+package model
+
+type IOType string
+
+const (
+	Input  IOType = "input"
+	Output IOType = "output"
+)
+
+type IO[T any] interface {
+	ReadData(limit int, query map[string]any, fields []string, sort []string) ([]T, error)
+	WriteData([]T) (int, error)
+}

xes/es6/read.go

@@ -1,145 +0,0 @@
-package es6
-
-import (
-	"bytes"
-	"context"
-	"encoding/json"
-	"fmt"
-	"time"
-
-	elastic "github.com/elastic/go-elasticsearch/v6"
-	"github.com/elastic/go-elasticsearch/v6/esapi"
-	"github.com/loveuer/esgo2dump/internal/tool"
-	"github.com/loveuer/esgo2dump/model"
-	"github.com/loveuer/nf/nft/log"
-	"github.com/samber/lo"
-)
-
-func ReadData(ctx context.Context, client *elastic.Client, index string, size, max int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
-	var (
-		dataCh = make(chan []*model.ESSource)
-		errCh  = make(chan error)
-	)
-
-	go func() {
-		var (
-			err      error
-			resp     *esapi.Response
-			result   = new(model.ESResponseV6)
-			scrollId string
-			total    int
-		)
-
-		defer func() {
-			close(dataCh)
-
-			if scrollId != "" {
-				bs, _ := json.Marshal(map[string]string{
-					"scroll_id": scrollId,
-				})
-
-				var rr *esapi.Response
-
-				if rr, err = client.ClearScroll(
-					client.ClearScroll.WithContext(tool.Timeout(3)),
-					client.ClearScroll.WithBody(bytes.NewReader(bs)),
-				); err != nil {
-					log.Warn("clear scroll id=%s err=%v", scrollId, err)
-					return
-				}
-
-				if rr.StatusCode != 200 {
-					log.Warn("clear scroll id=%s status=%d msg=%s", scrollId, rr.StatusCode, rr.String())
-				}
-			}
-		}()
-
-		if client == nil {
-			errCh <- fmt.Errorf("client is nil")
-		}
-
-		qs := []func(*esapi.SearchRequest){
-			client.Search.WithContext(tool.TimeoutCtx(ctx, 20)),
-			client.Search.WithIndex(index),
-			client.Search.WithSize(int(size)),
-			client.Search.WithFrom(0),
-			client.Search.WithScroll(time.Duration(120) * time.Second),
-		}
-
-		if len(source) > 0 {
-			qs = append(qs, client.Search.WithSourceIncludes(source...))
-		}
-
-		if len(sort) > 0 {
-			sorts := lo.Filter(sort, func(item string, index int) bool {
-				return item != ""
-			})
-
-			if len(sorts) > 0 {
-				qs = append(qs, client.Search.WithSort(sorts...))
-			}
-		}
-
-		if query != nil && len(query) > 0 {
-			queryBs, _ := json.Marshal(map[string]any{"query": query})
-			qs = append(qs, client.Search.WithBody(bytes.NewReader(queryBs)))
-		}
-
-		if resp, err = client.Search(qs...); err != nil {
-			errCh <- err
-			return
-		}
-
-		if resp.StatusCode != 200 {
-			errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
-			return
-		}
-
-		decoder := json.NewDecoder(resp.Body)
-		if err = decoder.Decode(result); err != nil {
-			errCh <- err
-			return
-		}
-
-		scrollId = result.ScrollId
-
-		dataCh <- result.Hits.Hits
-		total += len(result.Hits.Hits)
-
-		if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
-			return
-		}
-
-		for {
-			if resp, err = client.Scroll(
-				client.Scroll.WithScrollID(scrollId),
-				client.Scroll.WithScroll(time.Duration(120)*time.Second),
-			); err != nil {
-				errCh <- err
-				return
-			}
-
-			result = new(model.ESResponseV6)
-
-			decoder = json.NewDecoder(resp.Body)
-			if err = decoder.Decode(result); err != nil {
-				errCh <- err
-				return
-			}
-
-			if resp.StatusCode != 200 {
-				errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
-				return
-			}
-
-			dataCh <- result.Hits.Hits
-			total += len(result.Hits.Hits)
-
-			if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
-				break
-			}
-		}
-	}()
-
-	return dataCh, errCh
-}

xes/es6/write.go

@@ -1,85 +0,0 @@
-package es6
-
-import (
-	"bytes"
-	"context"
-	"encoding/json"
-	"fmt"
-
-	elastic "github.com/elastic/go-elasticsearch/v6"
-	"github.com/elastic/go-elasticsearch/v6/esutil"
-	"github.com/loveuer/esgo2dump/model"
-	"github.com/loveuer/nf/nft/log"
-)
-
-func WriteData(ctx context.Context, client *elastic.Client, index string, docsCh <-chan []*model.ESSource, logs ...log.WroteLogger) error {
-	var (
-		err     error
-		indexer esutil.BulkIndexer
-		total   = 0
-	)
-
-	for {
-		select {
-		case <-ctx.Done():
-			return ctx.Err()
-		case docs, ok := <-docsCh:
-			if !ok {
-				return nil
-			}
-
-			if len(docs) == 0 {
-				continue
-			}
-
-			count := 0
-
-			if indexer, err = esutil.NewBulkIndexer(esutil.BulkIndexerConfig{
-				Client:     client,
-				Index:      index,
-				ErrorTrace: true,
-				OnError: func(ctx context.Context, err error) {
-				},
-			}); err != nil {
-				return err
-			}
-
-			for _, doc := range docs {
-				var bs []byte
-
-				if bs, err = json.Marshal(doc.Content); err != nil {
-					return err
-				}
-
-				if err = indexer.Add(context.Background(), esutil.BulkIndexerItem{
-					Action:       "index",
-					Index:        index,
-					DocumentID:   doc.DocId,
-					DocumentType: "_doc",
-					Body:         bytes.NewReader(bs),
-					OnFailure: func(ctx context.Context, item esutil.BulkIndexerItem, item2 esutil.BulkIndexerResponseItem, bulkErr error) {
-					},
-				}); err != nil {
-					return err
-				}
-
-				count++
-			}
-
-			total += count
-
-			if err = indexer.Close(ctx); err != nil {
-				return err
-			}
-
-			stats := indexer.Stats()
-			if stats.NumFailed > 0 {
-				return fmt.Errorf("write to es failed_count=%d bulk_count=%d", stats.NumFailed, count)
-			}
-
-			if len(logs) > 0 && logs[0] != nil {
-				logs[0].Info("Dump: succeed=%d total=%d docs succeed!!!", count, total)
-			}
-		}
-	}
-}

xes/es7/client.go

@@ -7,7 +7,6 @@ import (
 	"net"
 	"net/http"
 	"net/url"
-	"strconv"
 	"strings"
 	"time"
 
@@ -17,22 +16,12 @@ import (
 	"github.com/samber/lo"
 )
 
-// Deprecated. use uri query: http://<username>:<password>@example.com:port?ping=false&...
-type Config struct {
-	DisablePing bool
-}
-
-type UriConfig struct {
-	Ping  bool `json:"ping"`
-	Sniff bool `json:"sniff"`
-}
-
 // NewClient
 // new esv7 client
 // uri example:
 //   - http://127.0.0.1:9200
 //   - https://<username>:<password>@node1.dev:9200,node2.dev:19200,node3.dev:29200
-func NewClient(ctx context.Context, uri string, configs ...Config) (*elastic.Client, error) {
+func NewClient(ctx context.Context, uri string) (*elastic.Client, error) {
 	var (
 		err      error
 		username string
@@ -45,11 +34,6 @@ func NewClient(ctx context.Context, uri string, configs ...Config) (*elastic.Cli
 		return nil, err
 	}
 
-	cfg := Config{}
-	if len(configs) > 0 {
-		cfg = configs[0]
-	}
-
 	endpoints := lo.Map(
 		strings.Split(ins.Host, ","),
 		func(item string, index int) string {
@@ -64,10 +48,6 @@ func NewClient(ctx context.Context, uri string, configs ...Config) (*elastic.Cli
 
 	query := ins.Query()
 
-	cfg2 := &UriConfig{}
-	cfg2.Ping, _ = strconv.ParseBool(query.Get("ping"))
-	cfg2.Sniff, _ = strconv.ParseBool(query.Get("sniff"))
-
 	if client, err = elastic.NewClient(
 		elastic.Config{
 			Addresses:     endpoints,
@@ -81,15 +61,13 @@ func NewClient(ctx context.Context, uri string, configs ...Config) (*elastic.Cli
 				TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
 				DialContext:     (&net.Dialer{Timeout: 10 * time.Second}).DialContext,
 			},
-			DiscoverNodesOnStart: cfg2.Sniff,
+			DiscoverNodesOnStart: lo.If(query.Get("sniff") == "true", true).Else(false),
 		},
 	); err != nil {
 		return nil, err
 	}
 
-	// Deprecated.
+	if query.Get("ping") != "false" {
-	cfg.DisablePing = cfg.DisablePing || cfg2.Ping
-	if cfg.DisablePing {
 		var res *esapi.Response
 		if res, err = client.Ping(client.Ping.WithContext(tool.TimeoutCtx(ctx, 5))); err != nil {
 			return nil, err

xes/es7/read.go

@@ -10,255 +10,92 @@ import (
 	elastic "github.com/elastic/go-elasticsearch/v7"
 	"github.com/elastic/go-elasticsearch/v7/esapi"
 	"github.com/loveuer/esgo2dump/internal/tool"
-	"github.com/loveuer/esgo2dump/model"
+	"github.com/loveuer/esgo2dump/pkg/model"
-	"github.com/loveuer/nf/nft/log"
 	"github.com/samber/lo"
 )
 
-// ReadData
+type streamer struct {
-// @param[source]: a list of include fields to extract and return from the _source field.
+	ctx    context.Context
-// @param[sort]:   a list of <field>:<direction> pairs.
+	client *elastic.Client
-func ReadData(ctx context.Context, client *elastic.Client, index string, size, max int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
+	index  string
-	var (
+	scroll string
-		dataCh = make(chan []*model.ESSource)
+}
-		errCh  = make(chan error)
-	)
 
-	go func() {
+// ReadData implements model.IO.
+func (s *streamer) ReadData(limit int, query map[string]any, fields []string, sort []string) ([]map[string]any, error) {
 	var (
 		err    error
+		qs     []func(*esapi.SearchRequest)
 		resp   *esapi.Response
-			result   = new(model.ESResponseV7)
+		result = new(model.ESResponseV7[map[string]any])
-			scrollId string
-			total    int
 	)
 
-		defer func() {
+	if s.scroll != "" {
-			close(dataCh)
+		if resp, err = s.client.Scroll(
-			close(errCh)
+			s.client.Scroll.WithContext(tool.TimeoutCtx(s.ctx)),
-
+			s.client.Scroll.WithScrollID(s.scroll),
-			if scrollId != "" {
+			s.client.Scroll.WithScroll(35*time.Second),
-				bs, _ := json.Marshal(map[string]string{
-					"scroll_id": scrollId,
-				})
-
-				var rr *esapi.Response
-
-				if rr, err = client.ClearScroll(
-					client.ClearScroll.WithContext(tool.Timeout(3)),
-					client.ClearScroll.WithBody(bytes.NewReader(bs)),
 		); err != nil {
-					log.Warn("clear scroll id=%s err=%v", scrollId, err)
+			return nil, err
-					return
 		}
 
-				if rr.StatusCode != 200 {
+		goto HandleResp
-					log.Warn("clear scroll id=%s status=%d msg=%s", scrollId, rr.StatusCode, rr.String())
-				}
-			}
-		}()
-
-		if client == nil {
-			errCh <- fmt.Errorf("client is nil")
 	}
 
-		qs := []func(*esapi.SearchRequest){
+	qs = []func(*esapi.SearchRequest){
-			client.Search.WithContext(tool.TimeoutCtx(ctx, 20)),
+		s.client.Search.WithContext(tool.TimeoutCtx(s.ctx)),
-			client.Search.WithIndex(index),
+		s.client.Search.WithIndex(s.index),
-			client.Search.WithSize(size),
+		s.client.Search.WithSize(limit),
-			client.Search.WithFrom(0),
+		s.client.Search.WithScroll(35 * time.Second),
-			client.Search.WithScroll(time.Duration(120) * time.Second),
 	}
 
-		if len(source) > 0 {
+	if len(fields) > 0 {
-			qs = append(qs, client.Search.WithSourceIncludes(source...))
+		qs = append(qs, s.client.Search.WithSourceIncludes(fields...))
 	}
 
 	if len(sort) > 0 {
-			sorts := lo.Filter(sort, func(item string, index int) bool {
+		qs = append(qs, s.client.Search.WithSort(sort...))
-				return item != ""
-			})
-
-			if len(sorts) > 0 {
-				qs = append(qs, client.Search.WithSort(sorts...))
-			}
-		}
-
-		if query != nil && len(query) > 0 {
-			queryBs, _ := json.Marshal(map[string]any{"query": query})
-			qs = append(qs, client.Search.WithBody(bytes.NewReader(queryBs)))
-		}
-
-		if resp, err = client.Search(qs...); err != nil {
-			errCh <- err
-			return
-		}
-
-		if resp.StatusCode != 200 {
-			errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
-			return
-		}
-
-		decoder := json.NewDecoder(resp.Body)
-		if err = decoder.Decode(result); err != nil {
-			errCh <- err
-			return
-		}
-
-		scrollId = result.ScrollId
-
-		dataCh <- result.Hits.Hits
-		total += len(result.Hits.Hits)
-
-		if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
-			return
-		}
-
-		for {
-			if resp, err = client.Scroll(
-				client.Scroll.WithScrollID(scrollId),
-				client.Scroll.WithScroll(time.Duration(120)*time.Second),
-			); err != nil {
-				errCh <- err
-				return
-			}
-
-			result = new(model.ESResponseV7)
-
-			decoder = json.NewDecoder(resp.Body)
-			if err = decoder.Decode(result); err != nil {
-				errCh <- err
-				return
-			}
-
-			if resp.StatusCode != 200 {
-				errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
-				return
-			}
-
-			dataCh <- result.Hits.Hits
-			total += len(result.Hits.Hits)
-
-			if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
-				break
-			}
-		}
-	}()
-
-	return dataCh, errCh
-}
-
-// ReadDataV2 es7 read data
-// Deprecated: bug, when can't sort by _id
-/*
-	- @param[source]: a list of include fields to extract and return from the _source field.
-    - @param[sort]:   a list of <field>:<direction> pairs.
-*/
-func ReadDataV2(
-	ctx context.Context,
-	client *elastic.Client,
-	index string,
-	size, max int,
-	query map[string]any,
-	source []string,
-	sort []string,
-) (<-chan []*model.ESSource, <-chan error) {
-	var (
-		dataCh = make(chan []*model.ESSource)
-		errCh  = make(chan error)
-	)
-
-	log.Debug("es7.ReadDataV2: arg.index = %s, arg.size = %d, arg.max = %d", index, size, max)
-
-	go func() {
-		var (
-			err         error
-			bs          []byte
-			resp        *esapi.Response
-			searchAfter     = make([]any, 0)
-			total       int = 0
-			body            = make(map[string]any)
-			qs          []func(request *esapi.SearchRequest)
-		)
-
-		if sort == nil {
-			sort = []string{}
 	}
 
 	if len(query) > 0 {
-			body["query"] = query
+		queryBs, err := json.Marshal(map[string]any{"query": query})
+		if err != nil {
+			return nil, err
 		}
 
-		sort = append(sort, "_id:ASC")
+		qs = append(qs, s.client.Search.WithBody(bytes.NewReader(queryBs)))
-
-		sorts := lo.Filter(sort, func(item string, index int) bool {
-			return item != ""
-		})
-
-		defer func() {
-			close(dataCh)
-			close(errCh)
-		}()
-
-		for {
-			finaSize := tool.CalcSize(size, max, total)
-			qs = []func(*esapi.SearchRequest){
-				client.Search.WithContext(tool.TimeoutCtx(ctx, 30)),
-				client.Search.WithIndex(index),
-				client.Search.WithSize(finaSize),
-				client.Search.WithSort(sorts...),
 	}
 
-			if len(source) > 0 {
+	if resp, err = s.client.Search(qs...); err != nil {
-				qs = append(qs, client.Search.WithSourceIncludes(source...))
+		return nil, err
 	}
 
-			delete(body, "search_after")
+HandleResp:
-			if len(searchAfter) > 0 {
-				body["search_after"] = searchAfter
-			}
-
-			if bs, err = json.Marshal(body); err != nil {
-				errCh <- err
-				return
-			}
-
-			log.Debug("es7.ReadDataV2: search request size = %d, body = %s", finaSize, string(bs))
-
-			qs = append(qs, client.Search.WithBody(bytes.NewReader(bs)))
-			if resp, err = client.Search(qs...); err != nil {
-				errCh <- err
-				return
-			}
 
 	if resp.StatusCode != 200 {
-				errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
+		return nil, fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
-				return
 	}
 
-			result := new(model.ESResponseV7)
+	if err = json.NewDecoder(resp.Body).Decode(result); err != nil {
-			decoder := json.NewDecoder(resp.Body)
+		return nil, err
-			if err = decoder.Decode(result); err != nil {
-				errCh <- err
-				return
 	}
 
-			if resp.StatusCode != 200 {
+	s.scroll = result.ScrollId
-				errCh <- fmt.Errorf("resp status=%d, resp=%s", resp.StatusCode, resp.String())
+
-				return
+	return lo.Map(
+		result.Hits.Hits,
+		func(item *model.ESSource[map[string]any], _ int) map[string]any {
+			return item.Content
+		},
+	), nil
 }
 
-			dataCh <- result.Hits.Hits
+// WriteData implements model.IO.
-			log.Debug("es7.ReadDataV2: search response hits = %d", len(result.Hits.Hits))
+func (s *streamer) WriteData([]map[string]any) (int, error) {
-			total += len(result.Hits.Hits)
+	panic("unimplemented")
-
-			if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
-				break
 }
 
-			searchAfter = result.Hits.Hits[len(result.Hits.Hits)-1].Sort
+func NewStreamer(ctx context.Context, client *elastic.Client, index string) (model.IO[map[string]any], error) {
-		}
+	s := &streamer{ctx: ctx, client: client, index: index}
-	}()
+	return s, nil
-
-	return dataCh, errCh
 }

xes/es7/write.go

@@ -8,28 +8,19 @@ import (
 
 	elastic "github.com/elastic/go-elasticsearch/v7"
 	"github.com/elastic/go-elasticsearch/v7/esutil"
-	"github.com/loveuer/esgo2dump/model"
+	"github.com/loveuer/esgo2dump/pkg/log"
-	"github.com/loveuer/nf/nft/log"
+	"github.com/loveuer/esgo2dump/pkg/model"
 )
 
-func WriteData(ctx context.Context, client *elastic.Client, index string, docsCh <-chan []*model.ESSource, logs ...log.WroteLogger) error {
+func WriteData[T any](ctx context.Context, client *elastic.Client, index string, docs ...*model.ESSource[T]) error {
 	var (
 		err     error
 		indexer esutil.BulkIndexer
 		total   int
 	)
 
-	for {
-		select {
-		case <-ctx.Done():
-			return ctx.Err()
-		case docs, ok := <-docsCh:
-			if !ok {
-				return nil
-			}
-
 	if len(docs) == 0 {
-				continue
+		return nil
 	}
 
 	count := 0
@@ -74,6 +65,7 @@ func WriteData(ctx context.Context, client *elastic.Client, index string, docsCh
 			DocumentID: doc.DocId,
 			Body:       bytes.NewReader(bs),
 			OnFailure: func(ctx context.Context, item esutil.BulkIndexerItem, item2 esutil.BulkIndexerResponseItem, bulkErr error) {
+				log.Error("es7.writer: on failure err log, err = %s", bulkErr.Error())
 			},
 		}); err != nil {
 			return err
@@ -93,9 +85,5 @@ func WriteData(ctx context.Context, client *elastic.Client, index string, docsCh
 		return fmt.Errorf("write to es failed_count=%d bulk_count=%d", stats.NumFailed, count)
 	}
 
-			if len(logs) > 0 && logs[0] != nil {
+	return nil
-				logs[0].Info("Dump: succeed=%d total=%d docs succeed!!!", count, total)
-			}
-		}
-	}
 }