/**

 * Relational pipes

 * Copyright © 2022 František Kučera (Frantovo.cz, GlobalCode.info)

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 3 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

#pragma once

#include <string>

#include <vector>

#include <cstring>

#include <unistd.h>

#include <stdexcept>

#include <arpa/inet.h>

#include <sys/types.h>

#include <sys/socket.h>

#include <netinet/in.h>

namespace relpipe {

namespace out {

namespace socket {

namespace options {

static const char OPTION_PROTOCOL[] = "protocol";

static const char OPTION_ROLE[] = "role";

static const char OPTION_MODE[] = "mode";

static const char OPTION_HOST[] = "host";

static const char OPTION_PORT[] = "port";

static const char OPTION_PATH[] = "path";

static const char OPTION_DELAY[] = "delay";

static const char PROTOCOL_TCP[] = "tcp";

static const char PROTOCOL_UDP[] = "udp";

static const char PROTOCOL_UDS[] = "uds";

static const char PROTOCOL_SCTP[] = "sctp";

static const char ROLE_CLIENT[] = "client";

static const char ROLE_SERVER[] = "server";

static const char MODE_STREAM[] = "stream";

static const char MODE_DATAGRAM[] = "datagram";

}

class Socket {

public:

	virtual ~Socket() = default;

	virtual void send(const std::string& message) = 0;

	virtual const std::string receive() = 0;

};

class SocketOption {

public:

	const std::string name;

	const std::string value;

	SocketOption(const std::string name, const std::string value) : name(name), value(value) {

	}

	virtual ~SocketOption() = default;

};

using SocketOptions = std::vector<SocketOption>;

class SocketFactory {

public:

	virtual ~SocketFactory() = default;

	virtual bool canHandle(const SocketOptions& options) = 0;

	virtual std::shared_ptr<Socket> open(const SocketOptions& options) = 0;

	static std::shared_ptr<SocketFactory> find(const SocketOptions& options);

};

}

}

}