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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 <vector>
#include <map>
#include <string>
#include <functional>
#include <json-c/json.h>
#include <systemd/sd-event.h>
extern "C"
{
#include <afb/afb-wsj1.h>
#include <afb/afb-ws-client.h>
}
class CloudProxyClient
{
public:
using handler_func = std::function<void(json_object*)>;
enum EventType {
Event_Min,
Event_SendMessageConfirmation = 1,
Event_ReceivedMessage,
Event_Max
};
CloudProxyClient();
~CloudProxyClient();
CloudProxyClient(const CloudProxyClient &) = delete;
CloudProxyClient &operator=(const CloudProxyClient &) = delete;
int init(const int port, const std::string& token);
int sendMessage(const std::string& data);
void set_event_handler(enum EventType et, handler_func f);
void on_event(void *closure, const char *event, struct afb_wsj1_msg *msg);
int subscribe(const std::string& event_name);
int unsubscribe(const std::string& event_name);
private:
int call(const std::string& verb, struct json_object* arg);
private:
static const std::vector<std::string> m_api_list;
static const std::vector<std::string> m_event_list;
std::map<EventType, handler_func> handlers;
struct afb_wsj1_itf m_itf;
struct afb_wsj1* m_websock{nullptr};
sd_event* m_loop{nullptr};
std::string m_uri;
};
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