From 07385392f21fab8562c1ea551c5672c772dce20d Mon Sep 17 00:00:00 2001
From: liuxiaolong <736321739@qq.com>
Date: 星期五, 26 七月 2019 21:07:07 +0800
Subject: [PATCH] sdkmessage uncompress

---
 extend/util/util.go       |   31 ++++++++++++++++++++++++++++++-
 service/FaceSdkService.go |    8 +++++++-
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/extend/util/util.go b/extend/util/util.go
index 5d51602..8f7883c 100644
--- a/extend/util/util.go
+++ b/extend/util/util.go
@@ -7,6 +7,7 @@
 	"errors"
 	"github.com/gin-gonic/gin"
 	"github.com/golang/glog"
+	"github.com/pierrec/lz4"
 	"gocv.io/x/gocv"
 	"image"
 	"net"
@@ -197,4 +198,32 @@
 	}
 	f, _ := strconv.ParseFloat(fmt.Sprintf("%2.2f", compareScore), 32)
 	return float32(f)
-}
\ No newline at end of file
+}
+
+// UnCompress uncompress
+func UnCompress(in []byte) ([]byte, error) {
+	out := make([]byte, 10*len(in))
+	n, err := lz4.UncompressBlock(in, out)
+	if err != nil {
+		fmt.Println(err)
+		return nil, err
+	}
+	out = out[:n] // uncompressed data
+	return out, nil
+}
+
+// Compress compress
+func Compress(in []byte) ([]byte, error) {
+	out := make([]byte, len(in))
+	ht := make([]int, 64<<10) // buffer for the compression table
+	n, err := lz4.CompressBlock(in, out, ht)
+	if err != nil {
+		fmt.Println(err)
+		return nil, err
+	}
+	if n >= len(in) {
+		fmt.Println("image is not compressible")
+	}
+	out = out[:n] // compressed data
+	return out, nil
+}
diff --git a/service/FaceSdkService.go b/service/FaceSdkService.go
index c7ee4b7..43a4101 100644
--- a/service/FaceSdkService.go
+++ b/service/FaceSdkService.go
@@ -11,6 +11,7 @@
 	"sync"
 	"time"
 	"webserver/extend/logger"
+	"webserver/extend/util"
 )
 
 type FaceSdkService struct {
@@ -262,7 +263,12 @@
 		if err := proto.Unmarshal(resultBytes, &rMsg); err == nil {
 			logger.Debug("received MSG:", rMsg.Cid)
 			i := protomsg.Image{}
-			err := proto.Unmarshal(rMsg.Data, &i)
+			bdata, err := util.UnCompress(rMsg.Data)
+			if err !=nil {
+				logger.Debug("uncompress err:",err)
+				continue
+			}
+			err = proto.Unmarshal(bdata, &i)
 			if err !=nil {
 				continue
 			}

--
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