【前端接口】弱网自适应心跳：间隔调节与网络分级的探测设计** <!--TAGS: 前端接口,心跳,弱网

local rttSum, rttCnt = 0, 0
SL:RegisterLuaNetMsg(7301, function(data)
    local sent = tonumber(data.echo) or 0
    rttSum = rttSum + (os.time() * 1000 - sent)
    rttCnt = rttCnt + 1
    if rttCnt >= 5 then
        local avg = rttSum / rttCnt
        netLevel = avg < 200 and 1 or (avg < 500 and 2 or 3)
        rttSum, rttCnt = 0, 0
    end
end)

local INTERVALS = { [1] = 30, [2] = 15, [3] = 10 }
SL:Schedule(function()
    local interval = INTERVALS[netLevel or 1]
    SL:SendNetMsg(7302, { lv = netLevel or 1, t = os.time() * 1000 })
    probeClock = os.time() + interval
end, 10)