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/*
* Copyright (c) 2021-2022 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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 <AittDiscovery.h>
#include <AittTypes.h>
#include <functional>
#include <string>
namespace aitt {
class AittTransport {
public:
typedef void *(*ModuleEntry)(const char *ip, AittDiscovery &discovery);
using SubscribeCallback = std::function<void(const std::string &topic, const void *msg,
const size_t szmsg, void *cbdata, const std::string &correlation)>;
static constexpr const char *const MODULE_ENTRY_NAME = "aitt_module_entry";
explicit AittTransport(AittDiscovery &discovery) : discovery(discovery) {}
virtual ~AittTransport(void) = default;
virtual void Publish(const std::string &topic, const void *data, const size_t datalen,
const std::string &correlation, AittQoS qos = AITT_QOS_AT_MOST_ONCE,
bool retain = false) = 0;
virtual void Publish(const std::string &topic, const void *data, const size_t datalen,
AittQoS qos = AITT_QOS_AT_MOST_ONCE, bool retain = false) = 0;
virtual void *Subscribe(const std::string &topic, const SubscribeCallback &cb,
void *cbdata = nullptr, AittQoS qos = AITT_QOS_AT_MOST_ONCE) = 0;
virtual void *Subscribe(const std::string &topic, const SubscribeCallback &cb, const void *data,
const size_t datalen, void *cbdata = nullptr, AittQoS qos = AITT_QOS_AT_MOST_ONCE) = 0;
virtual void *Unsubscribe(void *handle) = 0;
protected:
aitt::AittDiscovery &discovery;
};
} // namespace aitt
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