void TestConnection()
{
natCapable = Network.TestConnection();
switch (natCapable)
{
case ConnectionTesterStatus.Error:
testMessage = "Problem determining NAT capabilities";
doneTesting = true;
break;
case ConnectionTesterStatus.Undetermined:
testMessage = "Testing NAT capabilities";
doneTesting = false;
break;
case ConnectionTesterStatus.PublicIPIsConnectable:
testMessage = "Directly connectable public IP address";
useNat = false;
doneTesting = true;
break;
case ConnectionTesterStatus.PublicIPPortBlocked:
testMessage = "Non-connectable public IP address (port " + serverPort + " blocked) running a server is impossible.";
useNat = false;
if (!probingPublicIP)
{
Debug.Log("Testing if firewall can be circumvented");
natCapable = Network.TestConnectionNAT();
probingPublicIP = true;
timer = Time.time + 10;
}
else if (Time.time > timer)
{
probingPublicIP = false;
useNat = true;
doneTesting = true;
}
break;
case ConnectionTesterStatus.PublicIPNoServerStarted:
testMessage = "Public IP address but server not inititalized, it must be started to check server accessiblity. Restart connect test when ready.";
doneTesting = true;
break;
case ConnectionTesterStatus.LimitedNATPunchthroughPortRestricted:
testMessage = "Limited NAT punchthrough capabilities. Cannot " +
"connect to all types of NAT servers. Running a server " +
"is ill advised as not everyone can connect.";
useNat = true;
doneTesting = true;
break;
default:
testMessage = "Error in test routine, got " + natCapable;
if (string.Compare("Limited", 0, natCapable.ToString(), 0, 7) == 0)
{
useNat = true;
doneTesting = true;
break;
}
break;
}
Debug.Log(testMessage);
}
// Test Connection is used to check the connection to the Game Server (GS) to determine if it's behind a router/FW
// with a different public IP and private IP. This helps us determine if we need to try using NAT Punch Through to connect
// Network.useNat will be set based on the tested findings. This is used on the client to figure out how to connect
// On the GS we check !Network.HavePublicAddress() and pass it into the MGS when we register so it know if NPT is required
void TestConnection()
{
// Start/Poll the connection test, report the results in a label and react to the results accordingly
natCapable = Network.TestConnection();
switch (natCapable)
{
case ConnectionTesterStatus.Error:
testMessage = "Problem determining NAT capabilities";
doneTesting = true;
break;
case ConnectionTesterStatus.Undetermined:
testMessage = "Testing NAT capabilities";
doneTesting = false;
break;
case ConnectionTesterStatus.PublicIPIsConnectable:
testMessage = "Directly connectable public IP address.";
useNat = false;
doneTesting = true;
break;
// This case is a bit special as we now need to check if we can
// use the blocking by using NAT punchthrough
case ConnectionTesterStatus.PublicIPPortBlocked:
testMessage = "Non-connectble public IP address (port " + serverPort + " blocked),"
+ " running a server is impossible.";
useNat = false;
// If no NAT punchthrough test has been performed on this public IP, force a test
if (!probingPublicIP)
{
//Debug.Log("Testing if firewall can be circumnvented");
natCapable = Network.TestConnectionNAT();
probingPublicIP = true;
timer = Time.time + 10;
}
// NAT punchthrough test was performed but we still get blocked
else if (Time.time > timer)
{
probingPublicIP = false; // reset
useNat = true;
doneTesting = true;
}
break;
case ConnectionTesterStatus.PublicIPNoServerStarted:
testMessage = "Public IP address but server not initialized,"
+ "it must be started to check server accessibility. Restart connection test when ready.";
doneTesting = true;
break;
default:
testMessage = "Error in test routine, got " + natCapable;
if (string.Compare("Limited", 0, natCapable.ToString(), 0, 7) == 0)
{
useNat = true;
}
doneTesting = true;
break;
} // end switch
//Debug.Log(testMessage);
}
