/*-----------------------------------------------------------------------------
 * hostaddress.cpp
 * Copyright (C) 2003, 2004, 2005  Akito Nozaki
 * 
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

// Need this class to be thread safe :( most c network stuff is not thread
// safe :(

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include <tanoshi/common_def.h>
#include <tanoshi/hostaddress.h>


NAMESPACE_TANOSHI
{
	HostAddress::HostAddress()
	{
		_ipv4 = 0;
		empty = true;
	}

	HostAddress::HostAddress(unsigned long ip4addr)
	{
		_ipv4 = ip4addr;
		empty = false;
	}

	HostAddress::HostAddress(const std::string &address)
	{
		setAddress(address);
	}

	HostAddress::~HostAddress()
	{
	}
	
	bool HostAddress::setAddress(unsigned long ip4addr)
	{
		_ipv4 = ip4addr;
		empty = false;
	}

	bool HostAddress::setAddress(const std::string &address)
	{
		// is this thing thread safe?
		if(inet_aton(address.c_str(), (in_addr*)&_ipv4))
		{
			_ipv4 = htonl(_ipv4);
			empty = false;
		}
		else
			empty = true;

		return !empty;	
	}
	
	unsigned long HostAddress::toIPv4Address()
	{
		return _ipv4;
	}

	std::string HostAddress::toString()
	{
		// can't use net_ntoa because its not safe...
		int a1 = (_ipv4 >> 24) & 0xFF;
		int a2 = (_ipv4 >> 16) & 0xFF;
		int a3 = (_ipv4 >>  8) & 0xFF;
		int a4 = (_ipv4) & 0xFF;
	
		std::string temp;
		temp += _toString(a1) + "." + _toString(a2) + "." + _toString(a3)
			+ "." + _toString(a4);

		return temp;
	}

	bool HostAddress::operator ==(const HostAddress &address)
	{
		if(address.empty != empty)
			return false;

		if(address.empty == true)
			return true;
		
		return (address._ipv4 == _ipv4);
	}
	
	bool HostAddress::isEmpty()
	{
		return empty;
	}
	
	void HostAddress::clear()
	{
		empty = true;
	}

	std::string HostAddress::_toString(int num)
	{
		// very lazy way of doing this :P
		char temp[10];
		sprintf(temp, "%d", num);
		std::string data = temp;
		return data;
	}
}