From e4bd9133907bded20bbd04c950a1169a3c0c97a5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=99=BD=E8=8C=B6=E6=B8=85=E6=AC=A2?= Date: Thu, 20 Jun 2024 11:50:38 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B5=81=E6=8E=A7=E6=8E=A5=E5=8F=A3=E5=AE=9A?= =?UTF-8?q?=E4=B9=89=20+=20=E5=9F=BA=E4=BA=8Eredis=E7=9A=84=E6=B5=81?= =?UTF-8?q?=E6=8E=A7=E5=AE=9E=E7=8E=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- abstract/limit.go | 25 +++++++++ go.mod | 10 ++++ go.sum | 34 ++++++++++++ redis.go | 130 ++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 199 insertions(+) create mode 100644 abstract/limit.go create mode 100644 go.sum create mode 100644 redis.go diff --git a/abstract/limit.go b/abstract/limit.go new file mode 100644 index 0000000..ce650e1 --- /dev/null +++ b/abstract/limit.go @@ -0,0 +1,25 @@ +// Package abstract ... +// +// Description : abstract ... +// +// Author : go_developer@163.com<白茶清欢> +// +// Date : 2024-06-20 11:33 +package abstract + +import "context" + +// IRateLimit 流控实现接口约束 +// +// Author : go_developer@163.com<白茶清欢> +// +// Date : 11:33 2024/6/20 +type IRateLimit interface { + Second(ctx context.Context, key string, total, rate int) (bool, error) // 每秒访问次数限制 + Minute(ctx context.Context, key string, total, rate int) (bool, error) // 每分钟访问次数限制 + Hour(ctx context.Context, key string, total, rate int) (bool, error) // 每小时访问次数限制 + Day(ctx context.Context, key string, total, rate int) (bool, error) // 每天访问次数限制 + Month(ctx context.Context, key string, total, rate int) (bool, error) // 每月访问次数限制 + Year(ctx context.Context, key string, total, rate int) (bool, error) // 每年访问次数限制 + Custom(ctx context.Context, timeInfo int64, key string, total, rate int) (bool, error) // 自定义指定时间内的访问次数, timeInfo 单位 : s +} diff --git a/go.mod b/go.mod index 35220c3..67e4610 100644 --- a/go.mod +++ b/go.mod @@ -1,3 +1,13 @@ module git.zhangdeman.cn/zhangdeman/rate_limit go 1.22.4 + +require ( + github.com/go-redis/redis/v8 v8.11.5 + github.com/go-redis/redis_rate/v9 v9.1.2 +) + +require ( + github.com/cespare/xxhash/v2 v2.1.2 // indirect + github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..f268e97 --- /dev/null +++ b/go.sum @@ -0,0 +1,34 @@ +github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE= +github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc= +github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4= +github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= +github.com/go-redis/redis/v8 v8.11.5 h1:AcZZR7igkdvfVmQTPnu9WE37LRrO/YrBH5zWyjDC0oI= +github.com/go-redis/redis/v8 v8.11.5/go.mod h1:gREzHqY1hg6oD9ngVRbLStwAWKhA0FEgq8Jd4h5lpwo= +github.com/go-redis/redis_rate/v9 v9.1.2 h1:H0l5VzoAtOE6ydd38j8MCq3ABlGLnvvbA1xDSVVCHgQ= +github.com/go-redis/redis_rate/v9 v9.1.2/go.mod h1:oam2de2apSgRG8aJzwJddXbNu91Iyz1m8IKJE2vpvlQ= +github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE= +github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU= +github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE= +github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU= +github.com/onsi/gomega v1.18.1 h1:M1GfJqGRrBrrGGsbxzV5dqM2U2ApXefZCQpkukxYRLE= +github.com/onsi/gomega v1.18.1/go.mod h1:0q+aL8jAiMXy9hbwj2mr5GziHiwhAIQpFmmtT5hitRs= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +golang.org/x/net v0.0.0-20210428140749-89ef3d95e781 h1:DzZ89McO9/gWPsQXS/FVKAlG02ZjaQ6AlZRBimEYOd0= +golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk= +golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM= +golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M= +golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY= +gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/redis.go b/redis.go new file mode 100644 index 0000000..3714ff5 --- /dev/null +++ b/redis.go @@ -0,0 +1,130 @@ +// Package rate_limit ... +// +// Description : rate_limit ... +// +// Author : go_developer@163.com<白茶清欢> +// +// Date : 2023-03-09 11:31 +package rate_limit + +import ( + "context" + "git.zhangdeman.cn/zhangdeman/rate_limit/abstract" + "time" + + redisInstance "github.com/go-redis/redis/v8" + "github.com/go-redis/redis_rate/v9" +) + +// NewRedis redis流控实例 +// +// Author : go_developer@163.com<白茶清欢> +// +// Date : 11:43 2024/6/20 +func NewRedis(redisClient *redisInstance.Client) abstract.IRateLimit { + return &Redis{ + limiter: redis_rate.NewLimiter(redisClient), + } +} + +// Redis ... +// +// Author : go_developer@163.com<白茶清欢> +// +// Date : 11:44 2024/6/20 +type Redis struct { + limiter *redis_rate.Limiter // limiter 限流实例 +} + +func (r *Redis) Second(ctx context.Context, key string, total, rate int) (bool, error) { + if total <= 0 || rate <= 0 { + return true, nil + } + res, err := r.limiter.AllowN(ctx, key, redis_rate.PerSecond(total), rate) + if nil != err { + return false, err + } + return res.Allowed > 0, nil +} + +func (r *Redis) Minute(ctx context.Context, key string, total, rate int) (bool, error) { + if total <= 0 || rate <= 0 { + return true, nil + } + res, err := r.limiter.AllowN(ctx, key, redis_rate.PerMinute(total), rate) + if nil != err { + return false, err + } + return res.Allowed > 0, nil +} + +func (r *Redis) Hour(ctx context.Context, key string, total, rate int) (bool, error) { + if total <= 0 || rate <= 0 { + return true, nil + } + res, err := r.limiter.AllowN(ctx, key, redis_rate.PerHour(total), rate) + if nil != err { + return false, err + } + return res.Allowed > 0, nil +} + +func (r *Redis) Day(ctx context.Context, key string, total, rate int) (bool, error) { + if total <= 0 || rate <= 0 { + return true, nil + } + res, err := r.limiter.AllowN(ctx, key, redis_rate.Limit{ + Rate: rate, + Period: 24 * time.Hour, + Burst: total, + }, rate) + if nil != err { + return false, err + } + return res.Allowed > 0, nil +} + +func (r *Redis) Month(ctx context.Context, key string, total, rate int) (bool, error) { + if total <= 0 || rate <= 0 { + return true, nil + } + res, err := r.limiter.AllowN(ctx, key, redis_rate.Limit{ + Rate: rate, + Period: 24 * 30 * time.Hour, + Burst: total, + }, rate) + if nil != err { + return false, err + } + return res.Allowed > 0, nil +} + +func (r *Redis) Year(ctx context.Context, key string, total, rate int) (bool, error) { + if total <= 0 || rate <= 0 { + return true, nil + } + res, err := r.limiter.AllowN(ctx, key, redis_rate.Limit{ + Rate: rate, + Period: 24 * 30 * 365 * time.Hour, + Burst: total, + }, rate) + if nil != err { + return false, err + } + return res.Allowed > 0, nil +} + +func (r *Redis) Custom(ctx context.Context, timeInfo int64, key string, total, rate int) (bool, error) { + if total <= 0 || rate <= 0 { + return true, nil + } + res, err := r.limiter.AllowN(ctx, key, redis_rate.Limit{ + Rate: rate, + Period: time.Duration(timeInfo) * time.Second, + Burst: total, + }, rate) + if nil != err { + return false, err + } + return res.Allowed > 0, nil +}