/*

 * Copyright (c) 2001-2020 Mellanox Technologies, Ltd. All rights reserved.

 *

 * This software is available to you under a choice of one of two

 * licenses.  You may choose to be licensed under the terms of the GNU

 * General Public License (GPL) Version 2, available from the file

 * COPYING in the main directory of this source tree, or the

 * BSD license below:

 *

 *     Redistribution and use in source and binary forms, with or

 *     without modification, are permitted provided that the following

 *     conditions are met:

 *

 *      - Redistributions of source code must retain the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer.

 *

 *      - Redistributions in binary form must reproduce the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer in the documentation and/or other materials

 *        provided with the distribution.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

 * SOFTWARE.

 */

#ifndef SOCK_ADDR_H

#define SOCK_ADDR_H

#include <stdio.h>

#include <string.h>

#include <netinet/in.h>

#include "vma/util/vtypes.h"

class sock_addr

{

public:

	sock_addr() : m_p_sa_in((struct sockaddr_in*)&m_sa) { memset(m_p_sa_in, 0, get_socklen()); m_str[0]='\0'; m_str_in_addr[0]='\0'; m_str_in_port[0]='\0';  };

#if _BullseyeCoverage

    #pragma BullseyeCoverage off

#endif

	sock_addr(struct sockaddr& other) : m_sa(other), m_p_sa_in((struct sockaddr_in*)&m_sa) { m_str[0]='\0'; m_str_in_addr[0]='\0'; m_str_in_port[0]='\0'; };

#if _BullseyeCoverage

    #pragma BullseyeCoverage on

#endif

	// coverity[uninit_member]

	sock_addr(const struct sockaddr* other) : m_sa(*other), m_p_sa_in((struct sockaddr_in*)&m_sa) { m_str[0]='\0'; };

#if _BullseyeCoverage

    #pragma BullseyeCoverage off

#endif

	sock_addr(struct sockaddr_in other) : m_sa_in(other), m_p_sa_in((struct sockaddr_in*)&m_sa) { m_str[0]='\0'; m_str_in_addr[0]='\0'; m_str_in_port[0]='\0'; };

#if _BullseyeCoverage

    #pragma BullseyeCoverage on

#endif

	sock_addr(sa_family_t f, in_addr_t a, in_port_t p) : m_p_sa_in((struct sockaddr_in*)&m_sa)

		{ memset(m_p_sa_in, 0, get_socklen()); set_sa_family(f); set_in_addr(a); set_in_port(p); m_str[0]='\0'; m_str_in_addr[0]='\0'; m_str_in_port[0]='\0'; };

	~sock_addr() {};

	struct sockaddr* get_p_sa() { return &m_sa; }

	void 		get_sa(struct sockaddr* p_sa, size_t size) { memcpy(p_sa, &m_sa, std::min<size_t>(get_socklen(), size)); }

	void 		get_sa(struct sockaddr_in& r_sa_in) { memcpy(&r_sa_in, &m_sa, get_socklen()); }

	sa_family_t 	get_sa_family() { struct sockaddr_in* p_sa_in = (struct sockaddr_in*)&m_sa; return p_sa_in->sin_family; }

	in_addr_t 	get_in_addr() { struct sockaddr_in* p_sa_in = (struct sockaddr_in*)&m_sa; return p_sa_in->sin_addr.s_addr; }

	in_port_t 	get_in_port() { struct sockaddr_in* p_sa_in = (struct sockaddr_in*)&m_sa; return p_sa_in->sin_port; }

	socklen_t 	get_socklen() {return sizeof(struct sockaddr); };

	bool 		is_anyaddr() { return (INADDR_ANY == m_p_sa_in->sin_addr.s_addr); };

	bool 		is_mc() { return (IN_MULTICAST_N(m_p_sa_in->sin_addr.s_addr)); };

#if _BullseyeCoverage

    #pragma BullseyeCoverage off

#endif

	bool 		is_bc() { return (IS_BROADCAST_N(m_p_sa_in->sin_addr.s_addr)); };

	bool 		is_local_loopback() { return (LOOPBACK_N(m_p_sa_in->sin_addr.s_addr)); };

	bool 		is_anyport() { return (INPORT_ANY == m_p_sa_in->sin_port); };

#if _BullseyeCoverage

    #pragma BullseyeCoverage on

#endif

	void 		set(struct sockaddr& sa) { m_sa = sa; }

	void 		set_sa_family(sa_family_t family) { m_sa_in.sin_family = family; }

	void 		set_in_addr(in_addr_t in_addr) { m_sa_in.sin_addr.s_addr = in_addr;}

	void 		set_in_port(in_port_t in_port) { m_sa_in.sin_port = in_port;}

	sock_addr& operator=(const sock_addr& other) {

		m_sa = other.m_sa;

		m_p_sa_in = (struct sockaddr_in*)&m_sa;

		m_str[0]='\0';

		m_str_in_addr[0]='\0';

		m_str_in_port[0]='\0';

		return *this;

	}

	bool operator==(sock_addr const& other) const

	{

		struct sockaddr_in* p_sa_in = (struct sockaddr_in*)&m_sa;

		struct sockaddr_in* p_sa_in_other = (struct sockaddr_in*)&other.m_sa;

		return 	(p_sa_in->sin_port == p_sa_in_other->sin_port) &&

			(p_sa_in->sin_addr.s_addr == p_sa_in_other->sin_addr.s_addr) &&

			(p_sa_in->sin_family == p_sa_in_other->sin_family);

	}

#if _BullseyeCoverage

    #pragma BullseyeCoverage off

#endif

	bool operator <(sock_addr const& other) const

	{

		struct sockaddr_in* p_sa_in = (struct sockaddr_in*)&m_sa;

		struct sockaddr_in* p_sa_in_other = (struct sockaddr_in*)&other.m_sa;

		if (p_sa_in->sin_port < p_sa_in_other->sin_port)		return true;

		if (p_sa_in->sin_port > p_sa_in_other->sin_port)		return false;

		if (p_sa_in->sin_addr.s_addr < p_sa_in_other->sin_addr.s_addr)	return true;

		if (p_sa_in->sin_addr.s_addr > p_sa_in_other->sin_addr.s_addr)	return false;

		if (p_sa_in->sin_family < p_sa_in_other->sin_family)		return true;

		return false;

	}

#if _BullseyeCoverage

    #pragma BullseyeCoverage on

#endif

	size_t hash(void)

	{

		uint8_t csum = 0;

		uint8_t* pval = (uint8_t*)this;

		for (size_t i = 0; i < (sizeof(struct sockaddr)); ++i, ++pval) { csum ^= *pval; }

			return csum;

	}

	char*		to_str_in_addr() { set_str_in_addr(); return m_str_in_addr; };

	char*		to_str_in_port() { set_str_in_port(); return m_str_in_port; };

	char*		to_str()         { set_str_in_addr(); set_str_in_port(); set_str(); return m_str; };

private:

	union  {

		struct sockaddr 	m_sa;

		struct sockaddr_in 	m_sa_in;

	};

	struct sockaddr_in* 	m_p_sa_in;

	char			m_str_in_addr[16];

	char			m_str_in_port[6];

	char			m_str[22];

	/* cppcheck-suppress wrongPrintfScanfArgNum */

	void 		set_str_in_addr() { sprintf(m_str_in_addr, "%d.%d.%d.%d", NIPQUAD(get_in_addr())); set_str(); }

	void 		set_str_in_port() { sprintf(m_str_in_port, "%d", ntohs(get_in_port())); set_str(); }

	/* cppcheck-suppress wrongPrintfScanfArgNum */

	void            set_str() { sprintf(m_str, "%d.%d.%d.%d:%d", NIPQUAD(get_in_addr()), ntohs(get_in_port())); };

};

static inline sa_family_t get_sa_family(const struct sockaddr* addr)

{

   	return ((struct sockaddr_in*)addr)->sin_family;

}

#if _BullseyeCoverage

    #pragma BullseyeCoverage off

#endif

static inline sa_family_t get_sa_family(const struct sockaddr& addr)

{

   	return ((struct sockaddr_in*)&addr)->sin_family;

}

#if _BullseyeCoverage

    #pragma BullseyeCoverage on

#endif

static inline in_addr_t get_sa_ipv4_addr(const struct sockaddr* addr)

{

   	return ((struct sockaddr_in*)addr)->sin_addr.s_addr;

}

static inline in_addr_t get_sa_ipv4_addr(const struct sockaddr& addr)

{

   	return ((struct sockaddr_in*)&addr)->sin_addr.s_addr;

}

static inline in_port_t get_sa_port(const struct sockaddr* addr)

{

   	return ((struct sockaddr_in*)addr)->sin_port;

}

#if _BullseyeCoverage

    #pragma BullseyeCoverage off

#endif

static inline in_port_t get_sa_port(const struct sockaddr& addr)

{

   	return ((struct sockaddr_in*)&addr)->sin_port;

}

#if _BullseyeCoverage

    #pragma BullseyeCoverage on

#endif

#endif /*SOCK_ADDR_H*/