ReachableCEO
54cc5f7308
- Implements Apache APISIX packaging for Cloudron platform. - Includes Dockerfile, CloudronManifest.json, and start.sh. - Configured to use Cloudron's etcd addon. 🤖 Generated with Gemini CLI Co-Authored-By: Gemini <noreply@google.com>
82 lines
2.1 KiB
Lua
82 lines
2.1 KiB
Lua
--
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-- Licensed to the Apache Software Foundation (ASF) under one or more
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-- contributor license agreements. See the NOTICE file distributed with
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-- this work for additional information regarding copyright ownership.
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-- The ASF licenses this file to You under the Apache License, Version 2.0
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-- (the "License"); you may not use this file except in compliance with
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-- the License. You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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--
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local assert = assert
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local math = require "math"
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local floor = math.floor
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local _M = {version = 0.3}
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function _M.incoming(self, red, key, commit)
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local max = self.max
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self.committed = false
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key = "limit_conn" .. ":" .. key
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local conn, err
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if commit then
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conn, err = red:incrby(key, 1)
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if not conn then
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return nil, err
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end
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if conn > max + self.burst then
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conn, err = red:incrby(key, -1)
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if not conn then
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return nil, err
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end
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return nil, "rejected"
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end
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self.committed = true
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else
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local conn_from_red, err = red:get(key)
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if err then
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return nil, err
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end
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conn = (conn_from_red or 0) + 1
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end
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if conn > max then
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-- make the excessive connections wait
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return self.unit_delay * floor((conn - 1) / max), conn
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end
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-- we return a 0 delay by default
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return 0, conn
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end
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function _M.leaving(self, red, key, req_latency)
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assert(key)
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key = "limit_conn" .. ":" .. key
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local conn, err = red:incrby(key, -1)
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if not conn then
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return nil, err
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end
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if req_latency then
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local unit_delay = self.unit_delay
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self.unit_delay = (req_latency + unit_delay) / 2
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end
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return conn
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end
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return _M
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