2 Copyright (c) 2018-2019 Nokia.
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
8 http://www.apache.org/licenses/LICENSE-2.0
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.
18 * This source code is part of the near-RT RIC (RAN Intelligent Controller)
19 * platform project (RICP).
22 #include "private/redis/hiredisclusterepolladapter.hpp"
23 #include <sys/epoll.h>
24 #include "private/engine.hpp"
25 #include "private/redis/hiredisclustersystem.hpp"
27 using namespace shareddatalayer;
28 using namespace shareddatalayer::redis;
32 int attachFunction(redisAsyncContext* ac, void* data)
34 auto instance(static_cast<HiredisClusterEpollAdapter*>(data));
39 void addReadWrap(void* data)
41 auto instance(static_cast<HiredisClusterEpollAdapter::Node*>(data));
45 void addWriteWrap(void* data)
47 auto instance(static_cast<HiredisClusterEpollAdapter::Node*>(data));
51 void delReadWrap(void* data)
53 auto instance(static_cast<HiredisClusterEpollAdapter::Node*>(data));
57 void delWriteWrap(void* data)
59 auto instance(static_cast<HiredisClusterEpollAdapter::Node*>(data));
63 void cleanupWrap(void* data)
65 auto instance(static_cast<HiredisClusterEpollAdapter::Node*>(data));
70 HiredisClusterEpollAdapter::HiredisClusterEpollAdapter(Engine& engine):
71 HiredisClusterEpollAdapter(engine, HiredisClusterSystem::getInstance())
75 HiredisClusterEpollAdapter::HiredisClusterEpollAdapter(Engine& engine, HiredisClusterSystem& hiredisClusterSystem):
77 hiredisClusterSystem(hiredisClusterSystem)
81 void HiredisClusterEpollAdapter::setup(redisClusterAsyncContext* acc)
84 acc->attach_fn = attachFunction;
87 void HiredisClusterEpollAdapter::attach(redisAsyncContext* ac)
90 nodes.insert(std::make_pair(ac->c.fd,
91 std::unique_ptr<Node>(new Node(engine,
93 hiredisClusterSystem))));
96 void HiredisClusterEpollAdapter::detach(const redisAsyncContext* ac)
98 auto it = nodes.find(ac->c.fd);
99 if (it != nodes.end())
103 HiredisClusterEpollAdapter::Node::Node(Engine& engine,
104 redisAsyncContext* ac,
105 HiredisClusterSystem& hiredisClusterSystem):
106 hiredisClusterSystem(hiredisClusterSystem),
113 this->ac->ev.data = this;
114 this->ac->ev.addRead = addReadWrap;
115 this->ac->ev.addWrite = addWriteWrap;
116 this->ac->ev.delRead = delReadWrap;
117 this->ac->ev.delWrite = delWriteWrap;
118 this->ac->ev.cleanup = cleanupWrap;
119 engine.addMonitoredFD(ac->c.fd,
121 std::bind(&HiredisClusterEpollAdapter::Node::eventHandler,
123 std::placeholders::_1));
127 HiredisClusterEpollAdapter::Node::~Node()
133 void HiredisClusterEpollAdapter::Node::eventHandler(unsigned int events)
135 if (events & Engine::EVENT_IN)
136 if (reading && isMonitoring)
137 hiredisClusterSystem.redisAsyncHandleRead(ac);
138 if (events & Engine::EVENT_OUT)
139 if (writing && isMonitoring)
140 hiredisClusterSystem.redisAsyncHandleWrite(ac);
143 void HiredisClusterEpollAdapter::Node::addRead()
148 eventState |= Engine::EVENT_IN;
149 engine.modifyMonitoredFD(ac->c.fd, eventState);
152 void HiredisClusterEpollAdapter::Node::addWrite()
157 eventState |= Engine::EVENT_OUT;
158 engine.modifyMonitoredFD(ac->c.fd, eventState);
161 void HiredisClusterEpollAdapter::Node::delRead()
164 eventState &= ~Engine::EVENT_IN;
165 engine.modifyMonitoredFD(ac->c.fd, eventState);
168 void HiredisClusterEpollAdapter::Node::delWrite()
171 eventState &= ~Engine::EVENT_OUT;
172 engine.modifyMonitoredFD(ac->c.fd, eventState);
175 void HiredisClusterEpollAdapter::Node::cleanup()
180 engine.deleteMonitoredFD(ac->c.fd);
181 isMonitoring = false;