void ValidateCacheState()
{
if (!isCacheLoaded)
{
QueryCacheService.Load();
isCacheLoaded = true;
}
}
public async Task <RequestWrapper <UserLadderData> > GetUserDataFromLadder(UserGameProfileId userGameProfileId, Ladders ladder, int timeout)
{
ValidateCacheState();
RequestWrapper <UserLadderData> requestWrapper = new RequestWrapper <UserLadderData>();
Dictionary <string, object> logProperties = new Dictionary <string, object>
{
{ "timeout", timeout },
{ "game-profile-id", userGameProfileId.ProfileId },
{ "ladder", ladder.ToString() }
};
RequestState requestState = null;
try
{
if (!StorageService.Has("stringResources"))
{
throw new InvalidOperationException("App resources unaviable while sending request");
}
if (string.IsNullOrEmpty(userGameProfileId.ProfileId))
{
throw new InvalidOperationException("Missing user id");
}
var stringResources = StorageService.Get <AoeNetAPIStringResources>("stringResources");
//preapare query
var query = HttpUtility.ParseQueryString(string.Empty);
query["profile_id"] = HttpUtility.UrlEncode(userGameProfileId.ProfileId);
query["leaderboard_id"] = HttpUtility.UrlEncode(((int)ladder).ToString());
query["game"] = HttpUtility.UrlEncode("aoe2de"); //only aviable for DE at this moment, https://aoe2.net/#api
var finallQuery = "https://aoe2.net/api/leaderboard?" + query.ToString();
logProperties.Add("query", finallQuery);
//create cts
var cts = new CancellationTokenSource();
//create timeout handler for current query
requestState = AddTimeoutHandler(cts, timeout);
requestState.isRunning = true;
requestWrapper.RequestUrl = finallQuery;
//sumbit query via query cache service
requestWrapper.RequestResponseWrapper = await QueryCacheService.GetOrUpdate(
finallQuery,
cts.Token,
DateTime.UtcNow.AddHours(1.5)
);
if (!requestWrapper.RequestResponseWrapper.IsSuccess)
{
throw new AggregateException("Request failed", requestWrapper.RequestResponseWrapper.Exception);
}
requestWrapper.Value = (this as IUserDataProcessingService).ProcessUserDataFromLadder(requestWrapper.RequestResponseWrapper.ResponseContent, stringResources);
}
catch (Exception e) // request timedout
{
if (
e is StackOverflowException ||
e is ThreadAbortException ||
e is AccessViolationException
)
{
throw e;
}
string responseContent = "";
string responseCode = "";
if (requestWrapper != null) //to make sure this will not conflict with test cases
{
if (requestWrapper.RequestResponseWrapper != null)
{
if (requestWrapper.RequestResponseWrapper.ResponseContent != null)
{
responseContent = requestWrapper.RequestResponseWrapper.ResponseContent;
}
if (requestWrapper.RequestResponseWrapper.Response != null) //to make sure this will not conflict with test cases
{
responseCode = requestWrapper.RequestResponseWrapper.Response.StatusCode.ToString();
}
}
}
logProperties.Add("stack", e.StackTrace);
logProperties.Add("response-code", responseCode);
logProperties.Add("response-raw", responseContent);
LogService.Error($"Error while requesting ladder: {e.ToString()}", logProperties);
requestWrapper.Exception = e;
}
finally
{
if (requestState != null)
{
requestState.isRunning = false; //prevent cancelling operation by timeout handler
}
}
return(requestWrapper);
}
