| -- |
| -- Licensed to the Apache Software Foundation (ASF) under one or more |
| -- contributor license agreements. See the NOTICE file distributed with |
| -- this work for additional information regarding copyright ownership. |
| -- The ASF licenses this file to You under the Apache License, Version 2.0 |
| -- (the "License"); you may not use this file except in compliance with |
| -- the License. You may obtain a copy of the License at |
| -- |
| -- http://www.apache.org/licenses/LICENSE-2.0 |
| -- |
| -- Unless required by applicable law or agreed to in writing, software |
| -- distributed under the License is distributed on an "AS IS" BASIS, |
| -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| -- See the License for the specific language governing permissions and |
| -- limitations under the License. |
| -- |
| local core = require("apisix.core") |
| local limit_conn = require("apisix.plugins.limit-conn.init") |
| |
| |
| local plugin_name = "limit-conn" |
| local schema = { |
| type = "object", |
| properties = { |
| conn = {type = "integer", exclusiveMinimum = 0}, |
| burst = {type = "integer", minimum = 0}, |
| default_conn_delay = {type = "number", exclusiveMinimum = 0}, |
| only_use_default_delay = {type = "boolean", default = false}, |
| key = {type = "string"}, |
| key_type = {type = "string", |
| enum = {"var", "var_combination"}, |
| default = "var", |
| }, |
| rejected_code = { |
| type = "integer", minimum = 200, maximum = 599, default = 503 |
| }, |
| rejected_msg = { |
| type = "string", minLength = 1 |
| }, |
| allow_degradation = {type = "boolean", default = false} |
| }, |
| required = {"conn", "burst", "default_conn_delay", "key"} |
| } |
| |
| local _M = { |
| version = 0.1, |
| priority = 1003, |
| name = plugin_name, |
| schema = schema, |
| } |
| |
| |
| function _M.check_schema(conf) |
| return core.schema.check(schema, conf) |
| end |
| |
| |
| function _M.access(conf, ctx) |
| return limit_conn.increase(conf, ctx) |
| end |
| |
| |
| function _M.log(conf, ctx) |
| return limit_conn.decrease(conf, ctx) |
| end |
| |
| |
| return _M |