Upgrade golang

.github/workflows/go.yml

@@ -17,6 +17,8 @@ jobs:
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2
+      - name: Install dependencies
+        run: apt-get install gcc-aarch64-linux-gnu
       - name: Build
         run: /bin/sh -c "chmod +x release.sh && bash release.sh"
       - name: Upload

go.mod

@@ -1,6 +1,6 @@
 module github.com/CareyWang/MyUrls
 
-go 1.13
+go 1.15
 
 require (
 	github.com/gin-gonic/gin v1.5.0

main.go

@@ -4,15 +4,16 @@ import (
 	"encoding/base64"
 	"flag"
 	"fmt"
-	"github.com/gin-gonic/gin"
-	"github.com/gomodule/redigo/redis"
-	"github.com/sirupsen/logrus"
 	"log"
 	"math/rand"
 	"net/http"
 	"os"
 	"path"
 	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gomodule/redigo/redis"
+	"github.com/sirupsen/logrus"
 )
 
 type Response struct {
@@ -35,7 +36,7 @@ type redisPoolConf struct {
 const letterBytes = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
 
 const defaultPort int = 8002
-const defaultExpire = 90
+const defaultExpire = 180
 const defaultRedisConfig = "127.0.0.1:6379"
 
 const defaultLockPrefix = "myurls:lock:"
@@ -58,7 +59,7 @@ func main() {
 
 	port := flag.Int("port", defaultPort, "服务端口")
 	domain := flag.String("domain", "", "短链接域名，必填项")
-	ttl := flag.Int("ttl", defaultExpire, "短链接有效期，单位(天)，默认90天。")
+	ttl := flag.Int("ttl", defaultExpire, "短链接有效期，单位(天)，默认180天。")
 	conn := flag.String("conn", defaultRedisConfig, "Redis连接，格式: host:port")
 	passwd := flag.String("passwd", "", "Redis连接密码")
 	https := flag.Int("https", 1, "是否返回 https 短链接")
@@ -151,6 +152,90 @@ func main() {
 	router.Run(fmt.Sprintf(":%d", *port))
 }
 
+// 短链接转长链接
+func shortToLong(shortKey string) string {
+	redisClient = redisPool.Get()
+	defer redisClient.Close()
+
+	longUrl, _ := redis.String(redisClient.Do("get", shortKey))
+
+	// 获取到长链接后，续命1天。每天仅允许续命1次。
+	if longUrl != "" {
+		renew(shortKey)
+	}
+
+	return longUrl
+}
+
+// 长链接转短链接
+func longToShort(longUrl string, ttl int) string {
+	redisClient = redisPool.Get()
+	defer redisClient.Close()
+
+	// 是否生成过该长链接对应短链接
+	_existsKey, _ := redis.String(redisClient.Do("get", longUrl))
+	if _existsKey != "" {
+		_, _ = redisClient.Do("expire", _existsKey, ttl)
+
+		log.Println("Hit cache: " + _existsKey)
+		return _existsKey
+	}
+
+	// 重试三次
+	var shortKey string
+	for i := 0; i < 3; i++ {
+		shortKey = generate(7)
+
+		_existsLongUrl, _ := redis.String(redisClient.Do("get", shortKey))
+		if _existsLongUrl == "" {
+			break
+		}
+	}
+
+	if shortKey != "" {
+		_, _ = redisClient.Do("mset", shortKey, longUrl, longUrl, shortKey)
+
+		_, _ = redisClient.Do("expire", shortKey, ttl)
+		_, _ = redisClient.Do("expire", longUrl, secondsPerDay)
+	}
+
+	return shortKey
+}
+
+// 续命
+func renew(shortKey string) {
+	redisClient = redisPool.Get()
+	defer redisClient.Close()
+
+	// 加锁
+	lockKey := defaultLockPrefix + shortKey
+	lock, _ := redis.Int(redisClient.Do("setnx", lockKey, 1))
+	if lock == 1 {
+		// 设置锁过期时间
+		_, _ = redisClient.Do("expire", lockKey, defaultRenewal*secondsPerDay)
+
+		// 续命
+		ttl, _ := redis.Int(redisClient.Do("ttl", shortKey))
+		if ttl != -1 {
+			_, _ = redisClient.Do("expire", shortKey, ttl+defaultRenewal*secondsPerDay)
+		}
+	}
+}
+
+// 产生一个63位随机整数
+func generate(bits int) string {
+	b := make([]byte, bits)
+
+	currentTime := time.Now().UnixNano()
+	rand.Seed(currentTime)
+
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+	return string(b)
+}
+
+// 定义 logger
 func Logger() *logrus.Logger {
 	logFilePath := ""
 	if dir, err := os.Getwd(); err == nil {
@@ -191,6 +276,7 @@ func Logger() *logrus.Logger {
 	return logger
 }
 
+// 文件日志
 func LoggerToFile() gin.HandlerFunc {
 	logger := Logger()
 	return func(c *gin.Context) {
@@ -242,69 +328,7 @@ func LoggerToFile() gin.HandlerFunc {
 	}
 }
 
-// 短链接转长链接
+// redis 连接池
-func shortToLong(shortKey string) string {
-	redisClient = redisPool.Get()
-	defer redisClient.Close()
-
-	longUrl, _ := redis.String(redisClient.Do("get", shortKey))
-
-	// 获取到长链接后，续命1天。每天仅允许续命1次。
-	if longUrl != "" {
-		renew(shortKey)
-	}
-
-	return longUrl
-}
-
-// 长链接转短链接
-func longToShort(longUrl string, ttl int) string {
-	redisClient = redisPool.Get()
-	defer redisClient.Close()
-
-	// 是否生成过该长链接对应短链接
-	_existsKey, _ := redis.String(redisClient.Do("get", longUrl))
-	if _existsKey != "" {
-		_, _ = redisClient.Do("expire", _existsKey, ttl)
-
-		log.Println("Hit cache: " + _existsKey)
-		return _existsKey
-	}
-
-	// 重试三次
-	var shortKey string
-	for i := 0; i < 3; i++ {
-		shortKey = generate(7)
-
-		_existsLongUrl, _ := redis.String(redisClient.Do("get", shortKey))
-		if _existsLongUrl == "" {
-			break
-		}
-	}
-
-	if shortKey != "" {
-		_, _ = redisClient.Do("mset", shortKey, longUrl, longUrl, shortKey)
-
-		_, _ = redisClient.Do("expire", shortKey, ttl)
-		_, _ = redisClient.Do("expire", longUrl, secondsPerDay)
-	}
-
-	return shortKey
-}
-
-// 产生一个63位随机整数
-func generate(bits int) string {
-	b := make([]byte, bits)
-
-	currentTime := time.Now().UnixNano()
-	rand.Seed(currentTime)
-
-	for i := range b {
-		b[i] = letterBytes[rand.Intn(len(letterBytes))]
-	}
-	return string(b)
-}
-
 func initRedisPool() {
 	// 建立连接池
 	redisPool = &redis.Pool{
@@ -326,22 +350,3 @@ func initRedisPool() {
 		},
 	}
 }
-
-func renew(shortKey string) {
-	redisClient = redisPool.Get()
-	defer redisClient.Close()
-
-	// 加锁
-	lockKey := defaultLockPrefix + shortKey
-	lock, _ := redis.Int(redisClient.Do("setnx", lockKey, 1))
-	if lock == 1 {
-		// 设置锁过期时间
-		_, _ = redisClient.Do("expire", lockKey, defaultRenewal*secondsPerDay)
-
-		// 续命
-		ttl, _ := redis.Int(redisClient.Do("ttl", shortKey))
-		if ttl != -1 {
-			_, _ = redisClient.Do("expire", shortKey, ttl+defaultRenewal*secondsPerDay)
-		}
-	}
-}