Breaking News: Grepper is joining You.com. Read the official announcement!

http retry request golang

Restu Wahyu Saputra answered on July 28, 2023 Popularity 5/10 Helpfulness 2/10

answer http retry request golang

related retry request golang

http retry request golang

Comment

package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"net/http/httputil"
	"time"

	"k8s.io/klog"
)

type OptionsRetryRequest struct {
	Retry   int               `json:"retry"`
	Throtle int64             `json:"throtle"`
	Body    interface{}       `json:"body"`
	Headers map[string]string `json:"headers"`
}

func HttpRetryRequest(url string, method string, IsJson bool, options *OptionsRetryRequest) ([]byte, error) {
	var (
		count    int            = 1
		res      *http.Response = &http.Response{}
		err      error          = nil
		body     []byte         = nil
		blocking chan bool      = make(chan bool, 1)
		client   *http.Client   = &http.Client{}
	)

	tick := time.NewTicker(time.Duration(options.Throtle/1000) * time.Second)

	if IsJson && options.Body != nil {
		bodyByte, err := json.Marshal(&options.Body)
		if err != nil {
			return nil, err
		}

		body = bodyByte
	} else if !IsJson && options.Body != nil {
		body = []byte(fmt.Sprintf("%s", options.Body))
	}

	for range tick.C {
		req, err := http.NewRequest(method, url, bytes.NewReader(body))
		if err != nil {
			return nil, err
		}

		if _, err := httpDumpReq(req); err != nil {
			return nil, err
		}

		if options.Headers != nil {
			for k, v := range options.Headers {
				req.Header.Set(k, v)
			}
		}

		res, err = client.Do(req)
		if err != nil {
			return nil, err
		}

		if _, err := httpDumpRes(res); err != nil {
			return nil, err
		}

		if count == options.Retry {
			blocking <- true
			tick.Stop()
			break
		}

		count++
	}

	if err != nil {
		return nil, err
	}

	resByte, err := io.ReadAll(res.Body)
	defer res.Body.Close()

	if err != nil {
		return nil, err
	}

	<-blocking

	return resByte, nil
}

func httpDumpReq(req *http.Request) ([]byte, error) {
	reqDump, err := httputil.DumpRequest(req, true)
	if err != nil {
		return nil, err
	}

	klog.Info("====================== HTTP DUMP REQUEST START ======================")
	klog.Infof("====================== HTTP DUMP REQUEST OUTPUT ==================== \n\n%s", string(reqDump))
	klog.Info("====================== HTTP DUMP REQUEST END ========================")

	return reqDump, nil
}

func httpDumpRes(res *http.Response) ([]byte, error) {
	resDump, err := httputil.DumpResponse(res, true)
	if err != nil {
		return nil, err
	}

	klog.Info("====================== HTTP DUMP RESPONSE START ======================")
	klog.Infof("===================== HTTP DUMP RESPONSE OUTPUT ====================== \n\n%s", string(resDump))
	klog.Info("====================== HTTP DUMP RESPONSE END ========================")

	return resDump, nil
}

Popularity 5/10 Helpfulness 2/10 Language go

Source: Grepper

Tags: go http request

Link to this answer
Share Copy Link

Contributed on Jul 28 2023

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

Closely Related Answers

retry request golang

Comment

-1

package main

import (
	"fmt"
	"io"
	"log"
	"math"
	"net/http"
	"sync"
	"time"
)

func main() {
	var (
		baseInterval       int           = 2
		baseIntervalTarget int           = 100 // 10800
		retryRequestTarget int           = 300
		tick               *time.Ticker  = time.NewTicker(time.Second * time.Duration(baseInterval))
		store              []interface{} = []interface{}{}
		interval           int           = 0
		increment          int           = 0
		retryRequest       int           = 0
		release            chan bool     = make(chan bool, 1)
		untilRelease       chan bool     = make(chan bool, 1)
		untilInterval      int           = 60 // 86400
	)

	for range tick.C {
		startTime := time.Now().Second()

		fmt.Printf("\n")
		fmt.Println("TIME NOW IN SECOND: ", startTime)

		n := int(math.Floor(float64((baseInterval + startTime) / 10)))
		interval += int(n)

		store = append(store, interval)
		increment++

		distinct := Distinct(store)

		fmt.Printf("\n")
		fmt.Println("SEQUENCES DATA: ", distinct)
		fmt.Println("INCREMENT DATA: ", increment)
		fmt.Printf("\n")

		position := IndexOf(increment, distinct)

		if position != -1 {
			retryRequest++
			HttpRequest(release)

			fmt.Println("SEQUENCES DATA MATCH: ", true)
			fmt.Println("RETRY REQUEST: ", retryRequest)
		} else {
			fmt.Println("SEQUENCES DATA NOT MATCH: ", false)
			fmt.Println("NO RETRY REQUEST: ", 0)
		}

		sumInterval := math.Ceil(float64(Reduce(SliceInterfaceToSliceInt(distinct)) / 10))
		fmt.Printf("\n")
		log.Println("INTERVAL: ", sumInterval)

		if c := int64(sumInterval); c >= int64(baseIntervalTarget) {
			fmt.Printf("\n")
			fmt.Println("STOP BY INTERVAL: ", c)

			interval = 0
			increment = 0
			retryRequest = 0
			store = nil

			time.AfterFunc(time.Duration(time.Second*time.Duration(untilInterval)), func() {
				untilRelease <- true
			})

			<-untilRelease

		} else if c := retryRequest; c >= retryRequestTarget {
			fmt.Printf("\n")
			fmt.Println("STOP BY RETRY REQUEST: ", c)

			interval = 0
			increment = 0
			retryRequest = 0
			store = nil

			time.AfterFunc(time.Duration(time.Second*time.Duration(untilInterval)), func() {
				untilRelease <- true
			})

			<-untilRelease
		}
	}
}

func HttpRequest(release chan bool) bool {
	res, err := http.Get("https://jsonplaceholder.typicode.com/users")

	if err != nil {
		release <- true
		log.Fatal(err.Error())
	}

	defer res.Body.Close()
	bodyByte, err := io.ReadAll(res.Body)

	if err != nil {
		release <- true
		log.Fatal(err.Error())
	}

	if len(bodyByte) > 0 {
		release <- true
	}

	<-release
	return true
}

func IndexOf(element interface{}, data []interface{}) interface{} {
	for k, v := range data {
		if element == v {
			return k
		}
	}
	return -1
}

func Distinct(data []interface{}) []interface{} {
	uniqueNumbers := make(map[interface{}]bool)
	result := []interface{}{}

	for _, num := range data {
		if !uniqueNumbers[num] {
			uniqueNumbers[num] = true
			result = append(result, num)
		}
	}

	return result
}

func Reduce(data []int) int64 {
	var sum int64

	for i := 0; i < len(data); i++ {
		sum += int64(data[i])
	}

	return sum
}

func SliceInterfaceToSliceInt(data []interface{}) []int {
	numbers := []int{}
	mutex := &sync.RWMutex{}

	for _, n := range data {
		mutex.Lock()
		numbers = append(numbers, n.(int))
		mutex.Unlock()
	}

	return numbers
}

Popularity 5/10 Helpfulness 1/10 Language go

Source: Grepper

Tags: request go

Link to this answer
Share Copy Link

Contributed on Aug 10 2023

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

http retry request golang

Contents

More Related Answers

http retry request golang

Closely Related Answers

retry request golang

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.