SocketException error when running project in Unity

[alastaira]

Hi! I have two machines on my home network - a desktop and a laptop, both running Windows 10 64bit. When I run the HFT Unity project on the desktop (which has a wired connection to the router), everything runs great - I can connect to the server and join the game from my mobile and the laptop (either by going to happyfuntimes.net or by directly specifying the IP address of the desktop which, to be honest, I prefer)

But when I try to run the project on the laptop (which has a Wi-Fi connection to the router), I get the following error in the console:

SocketException: An address incompatible with the requested protocol was used.

System.Net.Sockets.Socket..ctor (AddressFamily family, SocketType type, ProtocolType proto)
WebSocketSharp.Net.EndPointListener..ctor (System.Net.IPAddress address, Int32 port, Boolean secure, System.String certificateFolderPath, WebSocketSharp.Net.ServerSslConfiguration sslConfig, Boolean reuseAddress)
WebSocketSharp.Net.EndPointManager.getEndPointListener (System.Net.IPAddress address, Int32 port, Boolean secure, WebSocketSharp.Net.HttpListener listener)
WebSocketSharp.Net.EndPointManager.addPrefix (System.String uriPrefix, WebSocketSharp.Net.HttpListener listener)
WebSocketSharp.Net.EndPointManager.AddListener (WebSocketSharp.Net.HttpListener listener)

The game runs, but no clients can connect. From preliminary Googling (e.g. http://stackoverflow.com/questions/24870277/an-address-incompatible-with-the-requested-protocol-was-used) it seems like this might be related to IP4/IP6 addressing -but I've had a quick poke through the HFT code and it looks like it should adapt correctly for either. I've tried disabling IP4/IP6 individually on the network adapter but no difference :)

[greggman]

So I'm checking into this but I'm having trouble repoing. I installed Windows 10 x64 but no luck. I'll try a Wifi connection next (gotta get a USB Wifi thingy)

Can you think of anything different on your Laptop vs Desktop? Is one Windows 10 x32 and the other x64? Has one got anti-virus software or something?

Maybe you could run the built in "System Information" on each, pick File->Export and attach the results here?

[greggman]

So I went and got a USB WiFi Adaptor but no error 😓

We could try a new version of WebSocketSharp

[greggman]

Download this, unzip, and put the dll it in Assets/Plugins and see if the issue goes away

websocket-sharp.dll.zip

[greggman]

One other idea of that doesn't work is check your Windows Firewall settings. The first time a HappyFunTimes app is run Windows Firewall usually tries to block it. Maybe It's possible it doesn't have permission to access the network on your laptop?

Here's what mine looks like

[alastaira]

Hi! Thanks for the suggestions.

• Both computers are running Windows 10 64 bit.
• Trying the new version of websocket-sharp made no difference
• My firewall settings are certainly different from yours though. On my laptop (the one that produces the error), I don't see any entries on the firewall rules list for "Unity Editor", although I do have an entry for "Unity.exe" (see attached). This machine has Unity 5.3.3f1 (64bit) installed.
  

[alastaira]

My desktop, meanwhile (which does work) does have (lots!) of entries for "Unity Editor", as follows: (it also has several different versions of Unity installed though - 4.6, 5.1, 5.3 and 5.4):

[alastaira]

Just tried explicitly turning off the Firewall completely on the laptop, but that didn't help. I guess the "unity.exe" / "Unity Editor" entry in the firewall settings is a red herring.

I've tried comparing the network settings reported by ipconfig for the two machines, and they seem to match for that connection (i.e. the Local Area Connection for the desktop and the Wireless LAN for the laptop match in terms of DHCP/DNS/Gateway etc.).
However, both machines also have other adapters listed (tunnel adapters, Virtual VMWare adapters etc.) that differ. Is it possible that websocket is trying to use the wrong adapter?

[greggman]

It's possible. It should be connecting to 0.0.0.0 which is all adapators. I wonder if it's one of the tunnel or VMWare adaptors

I don't think this will help but you could go to Window->HappyFunTimes->Settings and in the Debug area put a *

Run it, quit unity, and drag and drop the editor.log here.

https://docs.unity3d.com/Manual/LogFiles.html

I think it's the editor.log we want, not the player.log. You can look inside and see if there are happyfuntimes lines. I think you need to quit unity so it closes the file before you can copy it.

Sadly the time difference. It's 4:30am in Tokyo so I need to go to sleep. I'll take a look in the morning

[alastaira]

There's a StartServer, then a load of HFTWebFileDB messages that all seem fine. The point around which the error is logged is here:

HFTWebServer: Ping: {"version":"0.0.0","id":"HappyFunTimes","serverName":"DESKTOP-TQLT36I: SpacePanic"}
UnityEngine.DebugLogHandler:Internal_Log(LogType, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:Log(Object)
HappyFunTimes.HFTLogger:Log(String) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTLogger.cs:13)
HappyFunTimes.HFTLog:Info(String) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTLog.cs:156)
HappyFunTimes.HFTWebServer:.ctor(HFTRuntimeOptions, String[]) (at Assets\HappyFunTimes\HappyFunTimesCore\Server\HFTWebServer.cs:40)
HappyFunTimes.HFTManager:StartServer() (at Assets\HappyFunTimes\HappyFunTimesCore\HFTManager.cs:272)
HappyFunTimes.HFTManager:Start(HFTRuntimeOptions, GameObject) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTManager.cs:57)
HappyFunTimes.HFTConnectionManager:StartHappyFunTimes() (at Assets\HappyFunTimes\HappyFunTimesCore\HFTConnectionManager.cs:54)
HappyFunTimes.PlayerSpawner:StartHappyFunTimes() (at Assets\HappyFunTimes\HappyFunTimesCore\PlayerSpawner.cs:104)
HappyFunTimes.PlayerSpawner:Start() (at Assets\HappyFunTimes\HappyFunTimesCore\PlayerSpawner.cs:172)
 
(Filename: Assets/HappyFunTimes/HappyFunTimesCore/HFTLogger.cs Line: 13)

HFTWebServer: Trying address: http://[::0]:18679
UnityEngine.DebugLogHandler:Internal_Log(LogType, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:Log(Object)
HappyFunTimes.HFTLogger:Log(String) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTLogger.cs:13)
HappyFunTimes.HFTLog:Info(String) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTLog.cs:156)
HappyFunTimes.HFTWebServer:Start() (at Assets\HappyFunTimes\HappyFunTimesCore\Server\HFTWebServer.cs:70)
HappyFunTimes.HFTManager:StartServer() (at Assets\HappyFunTimes\HappyFunTimesCore\HFTManager.cs:273)
HappyFunTimes.HFTManager:Start(HFTRuntimeOptions, GameObject) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTManager.cs:57)
HappyFunTimes.HFTConnectionManager:StartHappyFunTimes() (at Assets\HappyFunTimes\HappyFunTimesCore\HFTConnectionManager.cs:54)
HappyFunTimes.PlayerSpawner:StartHappyFunTimes() (at Assets\HappyFunTimes\HappyFunTimesCore\PlayerSpawner.cs:104)
HappyFunTimes.PlayerSpawner:Start() (at Assets\HappyFunTimes\HappyFunTimesCore\PlayerSpawner.cs:172)
 
(Filename: Assets/HappyFunTimes/HappyFunTimesCore/HFTLogger.cs Line: 13)

SocketException: An address incompatible with the requested protocol was used.

  at System.Net.Sockets.Socket..ctor (AddressFamily family, SocketType type, ProtocolType proto) [0x00000] in <filename unknown>:0 
  at WebSocketSharp.Net.EndPointListener..ctor (System.Net.IPEndPoint endpoint, Boolean secure, System.String certificateFolderPath, WebSocketSharp.Net.ServerSslConfiguration sslConfig, Boolean reuseAddress) [0x00000] in <filename unknown>:0 
  at WebSocketSharp.Net.EndPointManager.addPrefix (System.String uriPrefix, WebSocketSharp.Net.HttpListener listener) [0x00000] in <filename unknown>:0 
  at WebSocketSharp.Net.EndPointManager.AddListener (WebSocketSharp.Net.HttpListener listener) [0x00000] in <filename unknown>:0 
 
(Filename:  Line: -1)

PlayerSpawner: Stopping HappyFunTimes
UnityEngine.DebugLogHandler:Internal_Log(LogType, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:Log(Object)
HappyFunTimes.HFTLogger:Log(String) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTLogger.cs:13)
HappyFunTimes.HFTLog:Info(String) (at Assets\HappyFunTimes\HappyFunTimesCore\HFTLog.cs:156)
HappyFunTimes.PlayerSpawner:StopHappyFunTimes() (at Assets\HappyFunTimes\HappyFunTimesCore\PlayerSpawner.cs:112)
HappyFunTimes.PlayerSpawner:OnDestroy() (at Assets\HappyFunTimes\HappyFunTimesCore\PlayerSpawner.cs:186)

When comparing to the log output on the other machine that is working, there is an entry there for
HFTSite: sending: {"addresses":[192.168.1.81","[fe80::ffff:ffff:fffe]"],", "port":"18679"} before the Ping, that doesn't feature on the laptop machine....?

[alastaira]

Ah - I see that the HFTSite message is related to the "Installation Mode" option which I had been tinkering with (which was enabled on the laptop and not the desktop). When I turn that off I do see the same log on both the working and not-working machine. I even get a confirmation back on the not-working machine that:

HFTSite: registered: 192.168.1.167 with happyfuntimes.net for: {"ip":"109.146...... (my ip address)

[alastaira]

I've just tried disabling the Wi-Fi adapter and using the Wired Ethernet connection on the laptop machine instead, but still get the same SocketException error.

[greggman]

A few more things

Can you post your ipconfig results on both machines?

Also

Can you try commenting outAssets/HappyFunTimes/HappyFunTimesCore/HFTManager.cs line 247 ?

 List<string> addresses = new List<string>();
 // addresses.Add("http://[::0]:" + m_options.serverPort);   // <=--- THIS LINE
 #if UNITY_STANDALONE_WIN
 addresses.Add("http://0.0.0.0:" + m_options.serverPort);
 #endif

[alastaira]

YES! Commenting out that line fixed it. I don't understand why, but you've got it working. Thankyou!

[greggman]

Well I hope you can help me figure out why. For example I tried disabling IPv6 in Windows and it still works. I tried disabling IPv6 at an even lower level and it still worked. I tried installing virtualbox (don't have VMware for Windows) but it still worked. I can't leave that line out as then it will stop working other places. So, the question is why is it failing and how can I detect when I need that line and when I don't :(

I'm still hoping you could post the ipconfig /all results from both of your machines.

NOTE: As far as I know there's no risk in posting that info. All of that info is broadcast to every website you ever visit so it's not like it's secret info

[alastaira]

I just tried my laptop on a completely different Wi-Fi connection (at a coffee shop), and still get the same behaviour - with line 247 commented out it works great, but with it left in I get the SocketException. Here's the results of ipconfig /all: (incidentally, I have no idea why this computer is called "DESKTOP-TQLT36I" - it's not a desktop, it's a laptop, but that's how it came supplied!)

Windows IP Configuration

Host Name . . . . . . . . . . . . : DESKTOP-TQLT36I
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : home
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : 80-FA-5B-1C-BC-E8
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Local Area Connection* 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter
Physical Address. . . . . . . . . : 5C-E0-C5-D7-EA-6B
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wi-Fi 2:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Dual Band Wireless-AC 7265 #2
Physical Address. . . . . . . . . : 5C-E0-C5-D7-EA-6A
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::48f3:fe4f:7b1:5cf4%19(Preferred)
IPv4 Address. . . . . . . . . . . : 10.198.123.252(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.254.0
Lease Obtained. . . . . . . . . . : 28 November 2016 16:55:17
Lease Expires . . . . . . . . . . : 28 November 2016 17:25:17
Default Gateway . . . . . . . . . : 10.198.122.1
DHCP Server . . . . . . . . . . . : 10.1.5.9
DHCPv6 IAID . . . . . . . . . . . : 140304581
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1D-B1-39-FC-80-FA-5B-1C-BC-E8
DNS Servers . . . . . . . . . . . : 10.1.5.153
10.1.5.154
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Local Area Connection* 3:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{F7FF1621-500E-431D-BFD9-E6B276D22AE0}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes