#include "netinterfaces.h"

#ifndef _countof
#define _countof(a)					(sizeof(a) / sizeof(*a))
#endif	//	_countof

/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////

NetInterfaces::NetInterfaces(QObject *pParent) : QObject(pParent)
{
	setObjectName("NetInterfaces");
}

NetInterfaces::~NetInterfaces(void)
{
	reset();
}

void NetInterfaces::classBegin()
{
}

void NetInterfaces::componentComplete()
{
}

void NetInterfaces::reset(void)
{
	for(auto it = m_itfList.begin(); it != m_itfList.end(); it++)
	{
		Interface *pi = *it;
		delete pi;
	}

	m_itfList.clear();
	m_eni._reset();
}

bool NetInterfaces::initialize(void)
{
	bool bRet = false;
	reset();
	if((bRet = ::ParseEtcNetworkInterfaces(m_eni)))
	{
		for(auto it = m_eni.ibl.begin(); it != m_eni.ibl.end(); it++)
		{
			ITF_IFACE_BLOCK &ibl = *it;
			m_itfList.push_back(new Interface(ibl));
		}
	}
	return bRet;
}

QVariantList NetInterfaces::getInterface(const QString &itfName)
{
	QVariantList list;
    list.clear();

	if(m_eni.ibl.size() > 0)
	{
		for(auto it = m_itfList.begin(); it != m_itfList.end(); it++)
		{
			Interface *pi = *it;
			const ITF_IFACE_BLOCK &ibl = pi->getIface();

			if(	itfName == ibl.cfgName.c_str() &&
				ibl.proto == IFP_Inet &&
				(ibl.method == IFM_Static || ibl.method == IFM_Dhcp))
			{
				QVariant var = QVariant::fromValue(pi);
				list.append(var);
			}
		}
	}

	return list;
}

/////////////////////////////////////////////////////////////////////////////

Interface::Interface(ITF_IFACE_BLOCK &ifb, QObject *pParent) : QObject(pParent), m_ifb(ifb)
{
	setObjectName("Interface");

	for(size_t i = 0; i < _countof(m_ifb.inet4s.namesvr); i++)
	{
		if(m_ifb.inet4s.namesvr[i].s_addr)
		{
			QString qs(inet_ntoa(m_ifb.inet4s.namesvr[i]));
			m_dnsList.append(qs);
		}
		else
		{
			QString qs("");
			m_dnsList.append(qs);
		}
	}
}

Interface::~Interface(void)
{
}

QString Interface::name(void) const
{
	return QString::fromStdString(m_ifb.cfgName);
}

QString Interface::family(void) const
{
	return ::GetIfaceProtoStr(m_ifb.proto);
}

QString Interface::method(void) const
{
	return ::GetIfaceMethodStr(m_ifb.method);
}

QString Interface::ipAddress(void) const
{
//	if(m_ifb.proto == IFP_Inet && m_ifb.method == IFM_Static)
		return inet_ntoa(m_ifb.inet4s.addr);
//	else
//		return "";
}

QString Interface::netMask(void) const
{
	return inet_ntoa(m_ifb.inet4s.netmask);
}

QString Interface::gateway(void) const
{
	return inet_ntoa(m_ifb.inet4s.gate);
}

QStringList Interface::dnsServers(void) const
{
	return m_dnsList;
}