public async Task <JsonResult> TryEnterGameServer([FromServices] IGameSessionRepository gameSessionRepository)
{
if (!ModelState.IsValid)
{
return(Json(new ServerEntryResponse(ServerEntryResponseCode.FailedConnectionActivelyRefused)));
}
int userId = int.Parse(HaloLiveUserManager.GetUserId(User)); //TODO: Should we try parse? Or change the signature for this?
//If there is a session and we're already logged in reject the requesting user
//It is possible for there to be an existing session yet not logged in
//that would mean an existing session was unclaimined and hasn't been cleaned up yet or someone is connecting in the middle of the session transfer
bool hasSessionAlready = await gameSessionRepository.HasSession(userId);
if (hasSessionAlready)
{
return(Json(new ServerEntryResponse(ServerEntryResponseCode.FailedAlreadyLoggedIn)));
}
//This could result in a data race so we need to check the result after we create. Don't assume this won't fail or be exploited
SessionCreationResult result = await gameSessionRepository.TryCreateSession(userId, Request.HttpContext.Connection.RemoteIpAddress.ToString());
if (!result.isSessionCreated)
{
return(Json(new ServerEntryResponse(ServerEntryResponseCode.GeneralServerError)));
}
//TODO: Handle gameserver/zoneserver redirection based on session information.
return(Json(new ServerEntryResponse(result.SessionGuid, new ResolvedEndpoint("127.0.0.1", 8051)))); //TODO: Obviously we want to look in the DB and provide a real token.
}