/*! \file pipackedtcp.h
 * \ingroup IO-Utils
 * \~\brief
 * \~english Ethernet device
 * \~russian Устройство Ethernet
 */
/*
    PIP - Platform Independent Primitives
    Ethernet, UDP/TCP Broadcast/Multicast
    Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef pipackedtcp_H
#define pipackedtcp_H

#include "piiodevice.h"
#include "pinetworkaddress.h"
#include "pip_io_utils_export.h"
#include "pistreampacker.h"

class PIEthernet;


//! \~english Ethernet device
//! \~russian Устройство Ethernet
class PIP_IO_UTILS_EXPORT PIPackedTCP: public PIIODevice {
	PIIODEVICE(PIPackedTCP, "ptcp");

public:
	//! \~english Role of %PIPackedTCP
	//! \~russian Роль %PIPackedTCP
	enum Role {
		Client /** TCP client */,
		Server /** TCP server for one client */
	};

	//! \~english Constructs %PIPackedTCP with "role" and "addr" address
	//! \~russian Создает %PIPackedTCP с ролью "role" и адресом "addr"
	explicit PIPackedTCP(Role role = Client, const PINetworkAddress & addr = {});

	//! \~english Destructor
	//! \~russian Деструктор
	virtual ~PIPackedTCP();

	//! \~english Set server address for Server role or connect address for Client
	//! \~russian Установить адрес сервера для роли Server или адрес подключения для Client
	void setAddress(const PINetworkAddress & addr);

	//! \~english Check if connected
	//! \~russian Проверить подключение
	bool isConnected() const;

	//! \~english Check if connecting
	//! \~russian Проверить подключение
	bool isConnecting() const;

	//! \~english Returns read address in format "i.i.i.i:p"
	//! \~russian Возвращает адрес чтения в формате "i.i.i.i:p"
	PINetworkAddress address() const { return m_addr; }

	//! \~english Returns %PIEthernet type
	//! \~russian Возвращает тип %PIEthernet
	Role role() const { return m_role; }

	EVENT0(connected);
	EVENT0(disconnected);

protected:
	void init();

	DeviceInfoFlags deviceInfoFlags() const override;
	PIString constructFullPathDevice() const override;
	void configureFromFullPathDevice(const PIString & full_path) override;
	ssize_t readDevice(void * read_to, ssize_t max_size) override;
	ssize_t writeDevice(const void * data, ssize_t max_size) override;
	bool openDevice() override;
	bool closeDevice() override;

	mutable PINetworkAddress m_addr;
	Role m_role     = Client;
	PIEthernet *eth = nullptr, *client = nullptr;
	PIStreamPacker packer;
	PIMutex rec_mutex;
	PIQueue<PIByteArray> rec_queue;

private:
};

REGISTER_DEVICE(PIPackedTCP)

#endif