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/*
* Copyright (C) 2020 MERA
*
* Licensed 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 <afb/afb-binding.h>
#include <map>
#include <unordered_set>
#include <mutex>
#include <string>
class ClientManager
{
public:
struct ClientCtx
{
std::string appid;
afb_event_t event;
std::unordered_set<std::string> subs_events;
bool subscription{false};
};
ClientManager() = default;
~ClientManager();
ClientManager(const ClientManager&) = delete;
void operator=(const ClientManager&) = delete;
bool handleRequest(afb_req_t request, const std::string& verb, const std::string& appid);
bool emitReceivedMessage(const std::string& appid, const std::string& data);
bool emitSendMessageConfirmation(const std::string& appid, bool result);
static ClientManager& instance();
// don't use it directly
static void cbRemoveClientCtx(void *data);
protected:
ClientCtx* addClient(afb_req_t req, const std::string& appid);
void removeClient(ClientCtx* ctx);
bool isSupportedEvent(const std::string& event);
protected:
std::mutex m_mutex;
std::map<std::string, ClientCtx*> m_clients;
};
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