【高级技巧】带宽控制：上下行流量的调度策略设计

local lanes = {
    { name = "combat", quota = 0.6, queue = {} },
    { name = "chat", quota = 0.3, queue = {} },
    { name = "refresh", quota = 0.1, queue = {} },
}
local FRAME_BUDGET = 200 * 1024
local function enqueue(kind, payload)
    for _, l in ipairs(lanes) do
        if l.name == kind then
            l.queue[#l.queue + 1] = payload
            return
        end
    end
end
local function pumpFrame()
    local remaining = FRAME_BUDGET
    for _, l in ipairs(lanes) do
        local share = math.floor(FRAME_BUDGET * l.quota)
        while #l.queue > 0 and share - #l.queue[#l.queue] * 64 >= 0 do
            local p = table.remove(l.queue, 1)
            share = share - #p * 64
            remaining = remaining - #p * 64
            sendRaw(p)
        end
    end
    return remaining
end

enqueue("combat", "伤害结算包")
enqueue("chat", "世界聊天包")
enqueue("refresh", "榜单刷新包")