//This method looks through the data structure and scans for timedout connections
public static void checkForClientTimeout(float timeout)
{
BaseControllerType temp;
bool foundDeadConnection = false;
if (EasyWiFiController.controllerDataDictionary != null)
{
foreach (string key in EasyWiFiController.controllerDataDictionary.Keys)
{
temp = EasyWiFiController.controllerDataDictionary[key];
if (!temp.controllerType.Contains(EasyWiFiConstants.BACKCHANNEL_FILTER) && temp.logicalPlayerNumber != EasyWiFiConstants.PLAYERNUMBER_DISCONNECTED && (DateTime.UtcNow - temp.lastReceivedPacketTime).TotalSeconds > timeout && (DateTime.UtcNow - temp.lastReceivedPacketTime).TotalSeconds < 150d)
{
temp.previousConnectionPlayerNumber = temp.logicalPlayerNumber;
temp.logicalPlayerNumber = EasyWiFiConstants.PLAYERNUMBER_DISCONNECTED;
foundDeadConnection = true;
EasyWiFiController.lastConnectedPlayerNumber = temp.previousConnectionPlayerNumber;
}
}
}
//if we found a dead connection let the callback know
if (foundDeadConnection)
{
EasyWiFiController.isConnect = false;
EasyWiFiController.forceConnectionRefresh();
}
}
public static void createAndSendBackchannelMessages(int packetNumber)
{
List <string> keys = new List <string>(controllerDataDictionary.Keys);
BaseControllerType temp;
//double loop because we are creating one message for each client
foreach (string client in serverSendKeys)
{
bool send = false;
string message = EasyWiFiConstants.MESSAGETYPE_BACKCHANNEL_DATA + EasyWiFiConstants.SPLITMESSAGE_COLON + packetNumber.ToString() + EasyWiFiConstants.SPLITMESSAGE_COLON;
string append;
foreach (string key in keys)
{
temp = controllerDataDictionary[key];
if (temp.clientIP.Equals(client) && temp.controllerType.Contains(EasyWiFiConstants.BACKCHANNEL_FILTER) && temp.logicalPlayerNumber != EasyWiFiConstants.PLAYERNUMBER_DISCONNECTED)
{
append = temp.mapStructureToNetworkData();
if (append != null && !append.Equals(String.Empty))
{
send = true;
message += temp.clientKey + EasyWiFiConstants.SPLITMESSAGE_POUND + append;
}
}
}
if (send)
{
EasyWiFiController.sendWiFIBackchannelData(message, client);
}
}
}
public static void createAndSendHeartbeatMessages(int packetNumber)
{
BaseControllerType temp;
//loop through each client
foreach (string client in serverSendKeys)
{
bool send = true;
string message = EasyWiFiConstants.MESSAGETYPE_HEARTBEAT + EasyWiFiConstants.SPLITMESSAGE_COLON + packetNumber.ToString();
foreach (string key in controllerDataDictionary.Keys)
{
temp = controllerDataDictionary[key];
if (temp.clientIP.Equals(client) && temp.logicalPlayerNumber == EasyWiFiConstants.PLAYERNUMBER_DISCONNECTED)
{
//we've found that this is actually disconnected
send = false;
break;
}
}
//we don't want to send heartbeat to those marked as disconnected
if (send)
{
EasyWiFiController.sendHeartbeat(message, client);
}
}
}
//for our network traffic on both ends we are essentially having strings (converted in/out for byte[] on the send/recieve
//these methods essentially will be one line in the string (remember a client will have more than one controller type)
//this method is called when a packet is received on a connection that is marked as disconnected due to a timeout
//this can occur in game usecases when the player suspends the app and restarts and expects the controller to still work
//because the app wasn't executing having the server sending a message stating hey you timed out is useless
//instead because our design is player based simply check to see if another controller has been assigned this player number
//if not then just change the player number back and proceed as normal
//if another controller has then get the next available player number and then notify the callback of a changed connection
public void reuseOrGetAnotherConnection(int previousPlayerNumber)
{
if (EasyWiFiUtilities.isPlayerNumberOccupied(previousPlayerNumber, clientKey))
{
logicalPlayerNumber = EasyWiFiController.getNewPlayerNumber(clientKey);
}
else
{
logicalPlayerNumber = previousConnectionPlayerNumber;
}
lastReceivedPacketTime = DateTime.UtcNow;
justReconnected = true;
//take this time to reactivate all of the controls from this IP address so callback only get fired once
BaseControllerType temp;
string[] splitter = { clientKey };
String[] clientIP = serverKey.Split(splitter, StringSplitOptions.RemoveEmptyEntries);
if (EasyWiFiController.controllerDataDictionary != null)
{
foreach (string key in EasyWiFiController.controllerDataDictionary.Keys)
{
temp = EasyWiFiController.controllerDataDictionary[key];
if (temp.serverKey.Contains(clientIP[0]))
{
temp.justReconnected = true;
temp.lastReceivedPacketTime = DateTime.UtcNow;
temp.logicalPlayerNumber = logicalPlayerNumber;
}
}
}
//send the callback for a connection
EasyWiFiController.isConnect = true;
EasyWiFiController.lastConnectedPlayerNumber = logicalPlayerNumber;
EasyWiFiController.forceConnectionRefresh();
}
