void RSSIProcessed::readFromFile(QXmlStreamReader* xmlReader){
//all we know upon entering the function is that the current token is <RSSI>
QString m, e;
while(!(xmlReader->isEndElement()) || !(xmlReader->name() == "RSSI")){
if (xmlReader->isStartElement()){
if(xmlReader->name() == "MACAddress"){
xmlReader->readNext();
m = xmlReader->text().toString();
xmlReader->readNext();
}else if(xmlReader->name() == "AverageSignalStrength"){
xmlReader->readNext();
averageStrength = xmlReader->text().toString().toInt();
xmlReader->readNext();
}else if(xmlReader->name() == "StandardDeviation"){
xmlReader->readNext();
standardDeviation = xmlReader->text().toString().toInt();
xmlReader->readNext();
}else if(xmlReader->name() == "ESSID"){
xmlReader->readNext();
e = xmlReader->text().toString();
xmlReader->readNext();
}
xmlReader->readNext();
}else{
xmlReader->readNext();
}
}
//on the return from this function, all we know is that the token is </RSSI>
ap = AccessPoint(m, e);
}
void MeshishNode::_scanAndConnect()
{
if (_debug)
{
_serial->println("scan start...");
}
_numNetworks = min(WiFi.scanNetworks(), MESHISH_MAX_AP_SCAN);
if (_debug)
{
_serial->print(_numNetworks);
_serial->println(" networks found in scan");
}
// the index of the node with the highest rssi
int maxDBmPrimary = -1;
for (int i = 0; i < _numNetworks; i++)
{
_apList[i] = AccessPoint();
_apList[i].ssid = WiFi.SSID(i);
_apList[i].rssi = WiFi.RSSI(i);
_apList[i].encrypt = WiFi.encryptionType(i);
_apList[i].nodeType = _getNodeType(_apList[i]);
if (_apList[i].nodeType == NODE_PRIMARY)
{
if (maxDBmPrimary == -1)
{
maxDBmPrimary = i;
}
else
{
if (_apList[i].rssi > _apList[maxDBmPrimary].rssi)
{
maxDBmPrimary = i;
}
}
}
if (_debug)
{
_serial->print(_apList[i].ssid);
_serial->print("\t");
_serial->print(_apList[i].rssi);
_serial->print("dBm\t");
_serial->print("Encryption: ");
_serial->print(_apList[i].encrypt);
_serial->print("\tnodeType: ");
_serial->println(_apList[i].nodeType);
}
}
if (maxDBmPrimary != -1)
{
if (_debug)
{
_serial->print("MeshishNode::_scanAndConnect: connecting to ");
_serial->println(_apList[maxDBmPrimary].ssid.c_str());
}
if (_password.equals("")) WiFi.begin(_apList[maxDBmPrimary].ssid.c_str());
else WiFi.begin(_apList[maxDBmPrimary].ssid.c_str(), _password.c_str());
_connectingToAP = true;
}
}
