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util/throttle.lua @ 13076:f4e33d17eaa8
mod_tls: Drop request for client certificates on outgoing connections
It is the other end who should request client certificates for these
connections, we only need to send ours. Hopefully this was treated as a
noop, so probably no harm in keeping it. But hey, spring cleaning? :)
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 19 Apr 2023 11:14:11 +0200 |
parent | 12975:d10957394a3c |
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local gettime = require "prosody.util.time".now local setmetatable = setmetatable; local _ENV = nil; -- luacheck: std none local throttle = {}; local throttle_mt = { __index = throttle }; function throttle:update() local newt = gettime(); local elapsed = newt - self.t; self.t = newt; local balance = (self.rate * elapsed) + self.balance; if balance > self.max then self.balance = self.max; else self.balance = balance; end return self.balance; end function throttle:peek(cost) cost = cost or 1; return self.balance >= cost or self:update() >= cost; end function throttle:poll(cost, split) if self:peek(cost) then self.balance = self.balance - cost; return true; else local balance = self.balance; if split then self.balance = 0; end return false, balance, (cost-balance); end end local function create(max, period) return setmetatable({ rate = max / period, max = max, t = gettime(), balance = max }, throttle_mt); end return { create = create; };