{"id":206962,"date":"2025-07-08T08:37:09","date_gmt":"2025-07-08T00:37:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206962\/"},"modified":"2025-07-08T08:37:09","modified_gmt":"2025-07-08T00:37:09","slug":"redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%e4%b8%8d%e7%94%9f%e6%95%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206962\/","title":{"rendered":"Redis\u5206\u5e03\u5f0f\u9501\u4e0d\u751f\u6548"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Redis\u5206\u5e03\u5f0f\u9501\u4e0d\u751f\u6548<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-19 08:36:32<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

Golang\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aRedis\u5206\u5e03\u5f0f\u9501\u4e0d\u751f\u6548\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u4f7f\u7528go-redis\u5206\u5e03\u5f0f\u9501<\/code>\u5b9e\u73b0\u4e92\u65a5\u8bbf\u95ee\uff0c\u6211\u7684\u670d\u52a1\u5668\u662f\u5355\u7ebf\u7a0b\u670d\u52a1\u5668\u3002\u4f46\u540c\u65f6\uff0c\u5f88\u591a\u8bf7\u6c42\u90fd\u83b7\u5f97\u4e86\u5206\u5e03\u5f0f\u9501<\/code>\u3002<\/p>\n

func (redismgrptr *redismgr) getlock(key string) (int32) {\n    encodekey := transcoding.base64encode(key)\n    _, err := redismgrptr.redisclient.setnx(redismgrptr.ctx, \n    encodekey, 1, timeout).result()\n    if err != nil {\n        return -1\n    }\n    return 0\n}\n\nfunc (redismgrptr *redismgr) dellock(key string, sessionid string) {\n    encodekey := transcoding.base64encode(key)\n    redismgrptr.redisclient.del(redismgrptr.ctx, encodekey)\n    log.errorf(\"session[%s] del lock\", sessionid)\n}<\/pre>\n
\u83b7\u53d6\u9501\u7801\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
func (redismgrptr *redismgr) getserver(name string, session string) () {\n    for { \n        locres := redismgrptr.getlock(name) \n        if locres == 0 {\n            break\n        } else {\n            time.sleep(5 * time.millisecond)\n            continue\n        }\n    }\n    defer redismgrptr.dellock(scenelock, sessionid)\n    log.errorf(\"session[%s] get lock\", sessionid)\n    \/\/ do something\n}<\/pre>\n
\u6211\u53d1\u73b0\u5f88\u591a\u8bf7\u6c42\u540c\u65f6\u83b7\u5f97\u9501\uff0c\u7ed3\u679c\u662f<\/p>\n
2021-09-08T15:05:21.073+0800 session[51776955325] get lock\n2021-09-08T15:05:21.073+0800 session[91776955325] get lock\n2021-09-08T15:05:21.073+0800 session[71776955325] get lock<\/pre>\n
\u6211\u8ba4\u4e3a\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u4f1a\u8bdd\u53ef\u4ee5\u83b7\u5f97\u9501<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u95ee\u9898\u4f3c\u4e4e\u51fa\u5728\u9501\u5b9a\u529f\u80fd\u4e0a\u3002\u5b83\u4e0d\u68c0\u67e5\u8be5\u503c\u662f\u5426\u5b58\u5728\uff0c\u800c\u53ea\u662f\u68c0\u67e5\u9519\u8bef\u3002<\/p>\n
func (redismgrptr *redismgr) getlock(key string) (int32) {\n    encodekey := transcoding.base64encode(key)\n    wasset, err := redismgrptr.redisclient.setnx(redismgrptr.ctx, encodekey, 1, timeout).result()\n    if err != nil || !wasset {\n        return -1\n    }\n    return 0\n}\n<\/pre>\n
…\u6216\u8005\u4f7f\u7528\u5e03\u5c14\u503c\u6765\u66f4\u5bb9\u6613\u63a8\u7406\uff1a<\/p>\n
func (redismgrptr *redismgr) getlock(key string) (ok bool) {\n    encodekey := transcoding.base64encode(key)\n    wasset, err := redismgrptr.redisclient.setnx(redismgrptr.ctx, encodekey, 1, timeout).result()\n    return err == nil && wasset\n}\n<\/pre>\n
\u4f7f\u7528\u5e03\u5c14\u7248\u672c getserver<\/code> \u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
func (redisMgrPtr *RedisMgr) GetServer(name string, session string) () {\n    for { \n        if ok := redisMgrPtr.getLock(name); ok {\n            break\n        }\n        time.Sleep(5 * time.Millisecond)\n    }\n    defer redisMgrPtr.delLock(sceneLock, sessionId)\n    Log.Errorf(\"session[%s] get lock\", sessionId)\n    \/\/ do something\n}\n<\/pre>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aRedis\u5206\u5e03\u5f0f\u9501\u4e0d\u751f\u6548\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206962","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=206962"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206962\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}