From e4840c7de5ff5f1a816a4fd023ba5bf797a4fa9e Mon Sep 17 00:00:00 2001
From: zhangzengfei <zhangzengfei@smartai.com>
Date: 星期二, 16 四月 2024 14:03:33 +0800
Subject: [PATCH] 添加失败缓存重发的功能

---
 config/config.go          |    4 
 go.sum                    |   20 ++++
 models/cache.go           |   29 +++++
 service/resend.go         |   45 +++++++++
 cron/cron.go              |   21 ++++
 util/http.go              |   35 +++++++
 repository/captureRepo.go |   62 ++++++------
 go.mod                    |    3 
 models/db.go              |    2 
 main.go                   |    5 
 service/report.go         |   56 +----------
 vo/server.go              |    8 +
 12 files changed, 207 insertions(+), 83 deletions(-)

diff --git a/config/config.go b/config/config.go
index 1a3271d..87dbe60 100644
--- a/config/config.go
+++ b/config/config.go
@@ -69,5 +69,9 @@
 		LogConf.Level = "info"
 	}
 
+	if ForwardConf.ReportInterval == 0 {
+		ForwardConf.ReportInterval = 10
+	}
+
 	logger.SetLogLevel(LogConf.Level)
 }
diff --git a/cron/cron.go b/cron/cron.go
new file mode 100644
index 0000000..89ad59f
--- /dev/null
+++ b/cron/cron.go
@@ -0,0 +1,21 @@
+package cron
+
+import (
+	"gat1400Exchange/config"
+	"gat1400Exchange/service"
+	"github.com/go-co-op/gocron"
+	"time"
+)
+
+var s *gocron.Scheduler
+
+func init() {
+	s = gocron.NewScheduler(time.UTC)
+}
+
+func Init() {
+	s.Every(10).Minutes().StartImmediately().Do(service.ResendImageData)
+	s.Every(config.ForwardConf.ReportInterval).Second().StartImmediately().Do(service.DeviceInfoReportTask)
+
+	s.StartAsync()
+}
diff --git a/go.mod b/go.mod
index 142d50a..cc77032 100644
--- a/go.mod
+++ b/go.mod
@@ -23,9 +23,11 @@
 	github.com/chenzhuoyu/iasm v0.9.1 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-co-op/gocron v1.37.0 // indirect
 	github.com/go-sql-driver/mysql v1.7.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
+	github.com/google/uuid v1.4.0 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
@@ -40,6 +42,7 @@
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
+	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/satori/go.uuid v1.2.0 // indirect
diff --git a/go.sum b/go.sum
index b551b75..26cbd60 100644
--- a/go.sum
+++ b/go.sum
@@ -14,6 +14,7 @@
 github.com/chenzhuoyu/iasm v0.9.0/go.mod h1:Xjy2NpN3h7aUqeqM+woSuuvxmIe6+DDsiNLIrkAmYog=
 github.com/chenzhuoyu/iasm v0.9.1 h1:tUHQJXo3NhBqw6s33wkGn9SP3bvrWLdlVIJ3hQBL7P0=
 github.com/chenzhuoyu/iasm v0.9.1/go.mod h1:Xjy2NpN3h7aUqeqM+woSuuvxmIe6+DDsiNLIrkAmYog=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
@@ -28,6 +29,8 @@
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
 github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
+github.com/go-co-op/gocron v1.37.0 h1:ZYDJGtQ4OMhTLKOKMIch+/CY70Brbb1dGdooLEhh7b0=
+github.com/go-co-op/gocron v1.37.0/go.mod h1:3L/n6BkO7ABj+TrfSVXLRzsP26zmikL4ISkLQ0O8iNY=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
@@ -43,6 +46,8 @@
 github.com/golang-jwt/jwt/v4 v4.5.0/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=
+github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
@@ -59,8 +64,14 @@
 github.com/klauspost/cpuid/v2 v2.2.6 h1:ndNyv040zDGIDh8thGkXYjnFtiN02M1PVVF+JE/48xc=
 github.com/klauspost/cpuid/v2 v2.2.6/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
 github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
+github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
 github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
@@ -78,8 +89,13 @@
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/pelletier/go-toml/v2 v2.1.1 h1:LWAJwfNvjQZCFIDKWYQaM62NcYeYViCmWIwmOStowAI=
 github.com/pelletier/go-toml/v2 v2.1.1/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
+github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
+github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
+github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
+github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/rogpeppe/go-internal v1.8.1/go.mod h1:JeRgkft04UBgHMgCIwADu4Pn6Mtm5d4nPKWu0nJ5d+o=
 github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
 github.com/sagikazarmark/locafero v0.4.0 h1:HApY1R9zGo4DBgr7dqsTH/JJxLTTsOt7u6keLGt6kNQ=
 github.com/sagikazarmark/locafero v0.4.0/go.mod h1:Pe1W6UlPYUk/+wc/6KFhbORCfqzgYEpgQ3O5fPuL3H4=
@@ -105,6 +121,7 @@
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
@@ -138,7 +155,10 @@
 google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
 google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/main.go b/main.go
index 1e8a151..1c8a2cf 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@
 import (
 	"context"
 	"fmt"
+	"gat1400Exchange/cron"
 	"net/http"
 	"os"
 	"os/signal"
@@ -38,7 +39,9 @@
 
 	// 鍚姩缃戠粶瑙嗛瀛楃鍙犲姞鍣ㄦ湇鍔�
 	go service.NVCSServer()
-	go service.DeviceInfoReportTask()
+
+	// 鍚姩瀹氭椂浠诲姟
+	cron.Init()
 
 	// Initializing the server in a goroutine so that
 	// it won't block the graceful shutdown handling below
diff --git a/models/cache.go b/models/cache.go
new file mode 100644
index 0000000..f3580d2
--- /dev/null
+++ b/models/cache.go
@@ -0,0 +1,29 @@
+package models
+
+type Cache struct {
+	Id         uint   `gorm:"column:id;primary_key;auto_increment;unique;not null;"`
+	Data       string `gorm:"column:data;type:text"`
+	CreateTime int64  `gorm:"column:create_time;"`
+	Retry      int    `gorm:"column:retry;"`
+}
+
+func (c *Cache) TableName() string {
+	return "caches"
+}
+
+func (c *Cache) FindAll() ([]Cache, error) {
+	var caches []Cache
+	if err := db.Table(c.TableName()).Find(&caches).Error; err != nil {
+		return nil, err
+	}
+
+	return caches, nil
+}
+
+func (c *Cache) Update() error {
+	return db.Table(c.TableName()).Save(&c).Error
+}
+
+func (c *Cache) Delete() error {
+	return db.Table(c.TableName()).Delete("id = ?", c.Id).Error
+}
diff --git a/models/db.go b/models/db.go
index b0f9506..d6cb1f7 100644
--- a/models/db.go
+++ b/models/db.go
@@ -20,7 +20,7 @@
 		logger.Debug("db open error ", err)
 		return err
 	}
-	_ = db.AutoMigrate(&Device{}, &Positions{})
+	_ = db.AutoMigrate(&Device{}, &Positions{}, &Cache{})
 
 	// 娣诲姞榛樿鏁版嵁
 	InitData()
diff --git a/repository/captureRepo.go b/repository/captureRepo.go
index a76fa4d..56a1caf 100644
--- a/repository/captureRepo.go
+++ b/repository/captureRepo.go
@@ -1,15 +1,14 @@
 package repository
 
 import (
-	"bytes"
 	"encoding/base64"
 	"encoding/json"
-	"net/http"
 	"time"
 
 	"gat1400Exchange/config"
 	"gat1400Exchange/models"
 	"gat1400Exchange/pkg/logger"
+	"gat1400Exchange/util"
 	"gat1400Exchange/vo"
 
 	uuid "github.com/satori/go.uuid"
@@ -46,18 +45,24 @@
 		}
 
 		// 杞彂鍥惧儚
-		logger.Debug("鍑嗗杞彂,deviceId:%s, image len:%d, server:%s", deviceId, len(faceImageStr), config.ForwardConf.SyncServer)
+		logger.Debug("Prepare forward image, deviceId:%s, image len:%d, server:%s", deviceId, len(faceImageStr), config.ForwardConf.SyncServer)
 		if deviceId != "" && faceImageStr != "" && config.ForwardConf.SyncServer != "" {
 			pd := c.PackPushDataV2(deviceId, faceId, faceImageStr, face.FaceAppearTime)
 			if pd == nil {
 				return
 			}
 
-			rsp, err := c.SendData(pd, config.ForwardConf.SyncServer)
+			payload, err := json.Marshal(pd)
 			if err != nil {
-				logger.Warn("鏁版嵁杞彂澶辫触:%s", err.Error())
+				logger.Warn("Marshal error, %s", err.Error())
+				return
+			}
+
+			if !c.SendData(payload, config.ForwardConf.SyncServer) {
+				c.CacheData(payload)
+				logger.Warn("鏁版嵁杞彂澶辫触, 娣诲姞缂撳瓨")
 			} else {
-				logger.Debug("鏁版嵁杞彂鎴愬姛,id:%s", rsp)
+				logger.Debug("鏁版嵁杞彂鎴愬姛")
 			}
 		}
 	}
@@ -77,7 +82,7 @@
 	// 鍖归厤妤煎眰
 	faceAppearTime, err := time.ParseInLocation("20060102150405", appearTime, time.Local)
 	if err != nil {
-		logger.Warn("Parse face appear time error,%s", err.Error())
+		logger.Warn("Parse face appear time error, %s", err.Error())
 		faceAppearTime = time.Now()
 	}
 
@@ -86,7 +91,7 @@
 
 	imageBytes, err := base64.StdEncoding.DecodeString(faceImage)
 	if err != nil {
-		logger.Warn("Decode Image Base64 String failure,%s", err.Error())
+		logger.Warn("Decode Image Base64 String failure, %s", err.Error())
 		return pd
 	}
 
@@ -112,7 +117,7 @@
 	// 鍖归厤妤煎眰
 	faceAppearTime, err := time.ParseInLocation("20060102150405", appearTime, time.Local)
 	if err != nil {
-		logger.Warn("Parse face appear time error,%s", err.Error())
+		logger.Warn("Parse face appear time error, %s", err.Error())
 		faceAppearTime = time.Now()
 	}
 
@@ -126,7 +131,7 @@
 
 	imageBytes, err := base64.StdEncoding.DecodeString(faceImage)
 	if err != nil {
-		logger.Warn("Decode Image Base64 String failure,%s", err.Error())
+		logger.Warn("Decode Image Base64 String failure, %s", err.Error())
 		return pd
 	}
 
@@ -154,35 +159,30 @@
 	return pd
 }
 
-func (c CaptureRepository) SendData(pushDataInfo interface{}, url string) (id string, err error) {
-	id = ""
-	payload, err := json.Marshal(pushDataInfo)
+func (c CaptureRepository) SendData(payload []byte, url string) bool {
+	body, err := util.HttpPost(url, nil, payload)
 	if err != nil {
-		return id, err
+		logger.Error("Post request failure, url:%s, err:%s", err.Error())
+		return false
 	}
 
-	req, err := http.NewRequest("POST", url, bytes.NewBuffer(payload))
+	var rsp vo.SyncServerResponse
+	err = json.Unmarshal(body, &rsp)
 	if err != nil {
-		return id, err
+		logger.Error("Can't parse response, url:%s, rsp: %v", url, body)
+		return false
 	}
 
-	client := &http.Client{}
-	resp, err := client.Do(req)
-	if err != nil {
-		return id, err
-	}
-	defer resp.Body.Close()
+	return rsp.Success
+}
 
-	var responseData map[string]interface{}
-	err = json.NewDecoder(resp.Body).Decode(&responseData)
-	if err != nil {
-		return id, err
+func (c CaptureRepository) CacheData(payload []byte) {
+	var cacheItem = models.Cache{
+		Data:       string(payload),
+		CreateTime: time.Now().Unix(),
+		Retry:      0,
 	}
 
-	id = responseData["data"].(string)
-	// 澶勭悊鍝嶅簲
-	// 杩欓噷鍙互鏍规嵁瀹為檯闇�姹傝繘琛屽鐞嗭紝渚嬪璇诲彇鍝嶅簲鍐呭鎴栨鏌ョ姸鎬佺爜绛�
-
-	return id, nil
+	models.GetDB().Table(cacheItem.TableName()).Create(&c)
 
 }
diff --git a/service/report.go b/service/report.go
index f352d55..02182c9 100644
--- a/service/report.go
+++ b/service/report.go
@@ -11,6 +11,7 @@
 	"gat1400Exchange/config"
 	"gat1400Exchange/pkg/logger"
 	"gat1400Exchange/models"
+	"gat1400Exchange/util"
 
 	"github.com/hashicorp/golang-lru/v2/expirable"
 )
@@ -39,9 +40,11 @@
 	IpAddr      string                 `json:"ip"`
 }
 
-func reportDeviceInfo() error {
+func DeviceInfoReportTask() error {
+	logger.Info("Start device info report task, server:%s.", config.ForwardConf.ReportServer)
+
 	if config.ForwardConf.ReportServer == "" {
-		return errors.New("server addr is empty !")
+		return errors.New("Server addr is empty!")
 	}
 
 	var d models.Device
@@ -71,7 +74,7 @@
 
 		logger.Info("Report device info. %+v", dev)
 
-		_, err = HttpPost(config.ForwardConf.ReportServer, nil, data)
+		_, err = util.HttpPost(config.ForwardConf.ReportServer, nil, data)
 		if err != nil {
 			return err
 		}
@@ -82,51 +85,4 @@
 
 func KeepDeviceAlive(id string) {
 	deviceAliveCache.Add(id, true)
-}
-
-func DeviceInfoReportTask() {
-	interval := config.ForwardConf.ReportInterval
-	if interval == 0 {
-		interval = 10
-	}
-
-	logger.Info("start device info report task, server:%s interval:%d.", config.ForwardConf.ReportServer, interval)
-
-	ticker := time.NewTicker(1 * time.Second)
-	for {
-		select {
-		case <-ticker.C:
-			err := reportDeviceInfo()
-			if err != nil {
-				logger.Warn(err.Error())
-			}
-
-			ticker.Reset(time.Duration(interval) * time.Second)
-		}
-	}
-}
-
-
-func HttpPost(url string, header map[string]string, data []byte) ([]byte, error) {
-	req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(data))
-	if err != nil {
-		return nil, err
-	}
-	req.Header.Set("Content-Type", "applicaiton/json; charset=UTF-8")
-	if header != nil {
-		for k, v := range header {
-			req.Header.Set(k, v)
-		}
-	}
-	cli := &http.Client{}
-	resp, err := cli.Do(req)
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return nil, err
-	}
-	return body, nil
 }
diff --git a/service/resend.go b/service/resend.go
new file mode 100644
index 0000000..4353c17
--- /dev/null
+++ b/service/resend.go
@@ -0,0 +1,45 @@
+package service
+
+import (
+	"encoding/json"
+	"gat1400Exchange/config"
+	"gat1400Exchange/models"
+	"gat1400Exchange/pkg/logger"
+	"gat1400Exchange/util"
+	"gat1400Exchange/vo"
+)
+
+func ResendImageData() {
+	var cacheMod models.Cache
+	cacheItems, _ := cacheMod.FindAll()
+
+	for _, c := range cacheItems {
+		if !SendData([]byte(c.Data), config.ForwardConf.SyncServer) {
+			logger.Warn("The data resend failed. retry count %d", c.Retry)
+
+			c.Retry = c.Retry + 1
+			c.Update()
+		} else {
+			c.Delete()
+			logger.Debug("The data resend successful.")
+		}
+	}
+
+}
+
+func SendData(payload []byte, url string) bool {
+	body, err := util.HttpPost(url, nil, payload)
+	if err != nil {
+		logger.Error("Post request failure, url:%s, err:%s", err.Error())
+		return false
+	}
+
+	var rsp vo.SyncServerResponse
+	err = json.Unmarshal(body, &rsp)
+	if err != nil {
+		logger.Error("Can't parse response, url:%s, rsp: %v", url, body)
+		return false
+	}
+
+	return rsp.Success
+}
diff --git a/util/http.go b/util/http.go
new file mode 100644
index 0000000..7af0162
--- /dev/null
+++ b/util/http.go
@@ -0,0 +1,35 @@
+package util
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+)
+
+func HttpPost(url string, header map[string]string, data []byte) ([]byte, error) {
+	req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(data))
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Content-Type", "applicaiton/json; charset=UTF-8")
+	if header != nil {
+		for k, v := range header {
+			req.Header.Set(k, v)
+		}
+	}
+
+	cli := &http.Client{}
+	resp, err := cli.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	return body, nil
+}
diff --git a/vo/server.go b/vo/server.go
new file mode 100644
index 0000000..7c3b03b
--- /dev/null
+++ b/vo/server.go
@@ -0,0 +1,8 @@
+package vo
+
+type SyncServerResponse struct {
+	Code    int
+	Success bool
+	Msg     string
+	Data    interface{}
+}

--
Gitblit v1.8.0