grab local machine ip addresses (oF)

get_local_ips.cpp

vector<string> ofApp::getLocalIPs()
{
	vector<string> result;

#ifdef TARGET_WIN32

	string commandResult = ofSystem("ipconfig");
	//ofLogVerbose() << commandResult;

	for (int pos = 0; pos >= 0; )
	{
		pos = commandResult.find("IPv4", pos);

		if (pos >= 0)
		{
			pos = commandResult.find(":", pos) + 2;
			int pos2 = commandResult.find("\n", pos);

			string ip = commandResult.substr(pos, pos2 - pos);

			pos = pos2;

			if (ip.substr(0, 3) != "127") // let's skip loopback addresses
			{
				result.push_back(ip);
				//ofLogVerbose() << ip;
			}
		}
	}

#else

	string commandResult = ofSystem("ifconfig");

	for (int pos = 0; pos >= 0; )
	{
		pos = commandResult.find("inet ", pos);

		if (pos >= 0)
		{
			int pos2 = commandResult.find("netmask", pos);

			string ip = commandResult.substr(pos + 5, pos2 - pos - 6);

			pos = pos2;

			if (ip.substr(0, 3) != "127") // let's skip loopback addresses
			{
				result.push_back(ip);
				//ofLogVerbose() << ip;
			}
		}
	}

#endif

	return result;
}