| /** |
| @file TSSystemState.h |
| |
| @section license License |
| |
| 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. |
| |
| */ |
| |
| #pragma once |
| |
| #include <tscore/ink_assert.h> |
| #include <tscore/ink_defs.h> |
| |
| // Global status information for trafficserver |
| // |
| class TSSystemState |
| { |
| private: |
| struct Data { |
| bool ssl_handshaking_stopped; |
| bool event_system_shut_down; |
| bool draining; |
| }; |
| |
| public: |
| static bool |
| is_ssl_handshaking_stopped() |
| { |
| return unlikely(_instance().ssl_handshaking_stopped); |
| } |
| |
| static bool |
| is_event_system_shut_down() |
| { |
| return unlikely(_instance().event_system_shut_down); |
| } |
| |
| // Keeps track if the server is in draining state, follows the proxy.node.config.draining metric. |
| // |
| static bool |
| is_draining() |
| { |
| return unlikely(_instance().draining); |
| } |
| |
| static void |
| stop_ssl_handshaking() |
| { |
| ink_assert(!_instance().ssl_handshaking_stopped); |
| |
| _instance().ssl_handshaking_stopped = true; |
| } |
| |
| static void |
| shut_down_event_system() |
| { |
| // For some reason this is triggered by the regression testing. |
| // ink_assert(_instance().ssl_handshaking_stopped && !_instance().event_system_shut_down); |
| |
| _instance().event_system_shut_down = true; |
| } |
| |
| static void |
| drain(bool enable) |
| { |
| _instance().draining = enable; |
| } |
| |
| private: |
| static Data & |
| _instance() |
| { |
| static Data d; |
| |
| return d; |
| } |
| }; |