include/private/redis/hiredisepolladapter.hpp

   1 /*
   2    Copyright (c) 2018-2019 Nokia.
   3
   4    Licensed under the Apache License, Version 2.0 (the "License");
   5    you may not use this file except in compliance with the License.
   6    You may obtain a copy of the License at
   7
   8        http://www.apache.org/licenses/LICENSE-2.0
   9
  10    Unless required by applicable law or agreed to in writing, software
  11    distributed under the License is distributed on an "AS IS" BASIS,
  12    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13    See the License for the specific language governing permissions and
  14    limitations under the License.
  15 */
  16
  17 /*
  18  * This source code is part of the near-RT RIC (RAN Intelligent Controller)
  19  * platform project (RICP).
  20 */
  21
  22 #ifndef SHAREDDATALAYER_REDIS_HIREDISEPOLLADAPTER_HPP_
  23 #define SHAREDDATALAYER_REDIS_HIREDISEPOLLADAPTER_HPP_
  24
  25 extern "C"
  26 {
  27     struct redisAsyncContext;
  28 }
  29
  30 namespace shareddatalayer
  31 {
  32     class Engine;
  33
  34     namespace redis
  35     {
  36         class HiredisSystem;
  37
  38         class HiredisEpollAdapter
  39         {
  40         public:
  41             explicit HiredisEpollAdapter(Engine& engine);
  42
  43             HiredisEpollAdapter(Engine& engine, HiredisSystem& hiredisSystem);
  44
  45             HiredisEpollAdapter(const HiredisEpollAdapter&) = delete;
  46
  47             HiredisEpollAdapter& operator = (const HiredisEpollAdapter&) = delete;
  48
  49             virtual ~HiredisEpollAdapter();
  50
  51             virtual void attach(redisAsyncContext* ac);
  52
  53             virtual void addRead();
  54
  55             virtual void delRead();
  56
  57             virtual void addWrite();
  58
  59             virtual void delWrite();
  60
  61             virtual void cleanUp();
  62
  63         private:
  64             Engine& engine;
  65             HiredisSystem& hiredisSystem;
  66             redisAsyncContext* ac;
  67             unsigned int eventState;
  68             bool reading;
  69             bool writing;
  70             bool isMonitoring;
  71
  72             void eventHandler(unsigned int events);
  73         };
  74     }
  75 }
  76
  77 #endif