redis 链接 假如的密码不对，好像内存会一直上涨。

[kenken]

如题，这个现象多个环境上可用重新。
下面是我的代码。

外部定时调用keepalive 和waitMessage。
看了比较久，确实看不出来问题了。请帮忙看看。

local skynet = require "skynet"
require "skynet.manager"
local redis = require "skynet.db.redis"
local json = require "json"
local snax = require "skynet.snax"

local CMD = {}
local FUNC = {}
local DATA = {
mqconn = nil, --redis
config = nil, -- redis conf
dbconn = nil,
chnlisteners = {},
listeners = {}
}

local CMD = {}

local tunpack = table.unpack
local tinsert = table.insert

local function disconnect(db)
if db then
local ok, ret = skynet.pcall(db.disconnect, db)

    if not ok then
        skynet.error("redis disconnect failed", ret)
    end
end

end

function FUNC.subscribe(...)
local chns = {...}

for _, c in pairs(chns) do
    DATA.chnlisteners[c] = c
end

local db = DATA.mqconn
local ok, ret = pcall(db.subscribe, db, ...)

if not ok then
    DATA.mqconn = nil
    disconnect(db)
    return nil
end

return ret

end

function FUNC.unsubscribe(...)
local chns = {...}
for _, c in pairs(chns) do
DATA.chnlisteners[c] = nil
end
local db = DATA.mqconn
local ok, ret = pcall(db.unsubscribe, db, ...)

if not ok then
    DATA.mqconn = nil
    disconnect(db)
    return nil
end

return ret

end

function FUNC.psubscribe(channel, recevier)
end

function FUNC.publish(channel, v)
local db = DATA.dbconn
return db:publish(channel, v)
end

function CMD.connect()
CMD.connmq()
CMD.conndb()
end

function CMD.connmq()
local db = DATA.mqconn

DATA.mqconn = nil
disconnect(db)

local ok, db = skynet.pcall(redis.watch, DATA.config)

if ok then
    local chs = {}
    for k, v in pairs(DATA.chnlisteners) do
        table.insert(chs, k)
    end

    DATA.mqconn = db
    skynet.info("redis conn ok", db)

    skynet.info("mq subscribecount", #chs)
    skynet.info("mq subscribe", table.unpack(chs))
    local ifok, ret = skynet.pcall(db.subscribe, db, table.unpack(chs))

    if not ifok then
        DATA.mqconn = nil
        skynet.error("redis subscribe failed[api error]", ret)
        disconnect(db)
    end
else
    skynet.error("redis conn failed[watch error]", ok, db)
end

end

function CMD.conndb()
local db = DATA.dbconn

DATA.dbconn = nil
disconnect(db)

local ok, dbpulish = skynet.pcall(redis.connect, DATA.config2)

if ok then
    DATA.dbconn = dbpulish
    skynet.info("redis conn ok", dbpulish)
else
    skynet.error("redis conn failed[connect error]", db)
end

end

function CMD.command(cmd, ...)
local f = FUNC[cmd]
if f == nil then
skynet.error("redis cmd not support", cmd, ...)
return nil
end

skynet.info("redismq##########################", cmd, ...)

local ret, result = skynet.pcall(f, ...)
if ret == false then
    skynet.error("redis cmd failed ", result)

    return nil
end

return ret, result

end

function CMD.waitMessage(q)
--while true do
local mq = DATA.mqconn
if mq then
local ok, msg, c = skynet.pcall(mq.message, mq)

    if not ok then
        skynet.error("subscribed failed", msg, c)
        DATA.mqconn = nil
        disconnect(mq)
    end

    return ok, msg, c
end

return false

end

function CMD.keepalive(q)
if DATA.dbconn then
local db = DATA.dbconn
local ok, ret = skynet.pcall(db.get, db, "foo")
if not ok then
skynet.info("ping failed reconnect it", ret)
DATA.dbconn = nil
disconnect(db)
CMD.conndb()
end
else
CMD.conndb()
end

if DATA.mqconn then
    local db = DATA.mqconn
    local ok, ret = skynet.pcall(db.subscribe, db, "foo")
    if not ok then
        skynet.info("ping failed reconnect it", ret)
        DATA.mqconn = nil
        disconnect(db)
        CMD.connmq()
    end
else
    CMD.connmq()
end

end

function CMD.setconfig(config, config2)
DATA.config = config
DATA.config2 = config2

--skynet.info("redi")
CMD.connect()

return true

end

return CMD

[云风]

学习一下 markdown 把代码贴对先：https://docs.github.com/github/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax