/// <summary>
/// Handle a single API request.
/// Ensures all exceptions are caught and dealt with correctly.
/// </summary>
/// <param name="req">The request.</param>
/// <returns>true if the request succeeded.</returns>
private bool handleRequest(APIRequest req)
{
try
{
req.Perform(this);
//we could still be in initialisation, at which point we don't want to say we're Online yet.
if (IsLoggedIn)
{
State = APIState.Online;
}
failureCount = 0;
return(true);
}
catch (WebException we)
{
handleWebException(we);
return(false);
}
catch (Exception e)
{
return(false);
}
}
/// <summary>
/// Handle a single API request.
/// Ensures all exceptions are caught and dealt with correctly.
/// </summary>
/// <param name="req">The request.</param>
/// <returns>true if the request succeeded.</returns>
private bool handleRequest(APIRequest req)
{
try
{
req.Perform(this);
// we could still be in initialisation, at which point we don't want to say we're Online yet.
if (IsLoggedIn)
{
state.Value = APIState.Online;
}
failureCount = 0;
return(true);
}
catch (WebException we)
{
handleWebException(we);
return(false);
}
catch (Exception ex)
{
Logger.Error(ex, "Error occurred while handling an API request.");
return(false);
}
}
public virtual void Queue(APIRequest request)
{
if (HandleRequest?.Invoke(request) != true)
{
// this will fail due to not receiving an APIAccess, and trigger a failure on the request.
// this is intended - any request in testing that needs non-failures should use HandleRequest.
request.Perform(this);
}
}
/// <summary>
/// Handle a single API request.
/// </summary>
/// <param name="req">The request.</param>
/// <returns>true if we should remove this request from the queue.</returns>
private bool handleRequest(APIRequest req)
{
try
{
Logger.Log($@"Performing request {req}", LoggingTarget.Network);
req.Perform(this);
//we could still be in initialisation, at which point we don't want to say we're Online yet.
if (IsLoggedIn)
{
State = APIState.Online;
}
failureCount = 0;
return(true);
}
catch (WebException we)
{
HttpStatusCode statusCode = (we.Response as HttpWebResponse)?.StatusCode ?? (we.Status == WebExceptionStatus.UnknownError ? HttpStatusCode.NotAcceptable : HttpStatusCode.RequestTimeout);
switch (statusCode)
{
case HttpStatusCode.Unauthorized:
Logout(false);
return(true);
case HttpStatusCode.RequestTimeout:
failureCount++;
log.Add($@"API failure count is now {failureCount}");
if (failureCount < 3)
{
//we might try again at an api level.
return(false);
}
State = APIState.Failing;
flushQueue();
return(true);
}
req.Fail(we);
return(true);
}
catch (Exception e)
{
if (e is TimeoutException)
{
log.Add(@"API level timeout exception was hit");
}
req.Fail(e);
return(true);
}
}
public void Perform(APIRequest request)
{
try
{
request.Perform(this);
}
catch (Exception e)
{
// todo: fix exception handling
request.Fail(e);
}
}
/// <summary>
/// Handle a single API request.
/// </summary>
/// <param name="req">The request.</param>
/// <returns>true if we should remove this request from the queue.</returns>
private bool handleRequest(APIRequest req)
{
try
{
Logger.Log($@"Performing request {req}", LoggingTarget.Network);
req.Perform(this);
State = APIState.Online;
failureCount = 0;
return(true);
}
catch (WebException we)
{
HttpStatusCode statusCode = (we.Response as HttpWebResponse)?.StatusCode ?? HttpStatusCode.RequestTimeout;
switch (statusCode)
{
case HttpStatusCode.Unauthorized:
State = APIState.Offline;
return(true);
case HttpStatusCode.RequestTimeout:
failureCount++;
log.Add($@"API failure count is now {failureCount}");
if (failureCount < 3)
{
//we might try again at an api level.
return(false);
}
State = APIState.Failing;
return(true);
}
req.Fail(we);
return(true);
}
catch (Exception e)
{
if (e is TimeoutException)
{
log.Add(@"API level timeout exception was hit");
}
req.Fail(e);
return(true);
}
}
/// <summary>
/// Handle a single API request.
/// </summary>
/// <param name="req">The request.</param>
/// <returns>true if the request succeeded.</returns>
private bool handleRequest(APIRequest req, out bool removeFromQueue)
{
removeFromQueue = true;
try
{
Logger.Log($@"Performing request {req}", LoggingTarget.Network);
req.Failure += ex =>
{
if (ex is WebException we)
{
handleWebException(we);
}
};
req.Perform(this);
//we could still be in initialisation, at which point we don't want to say we're Online yet.
if (IsLoggedIn)
{
State = APIState.Online;
}
failureCount = 0;
return(true);
}
catch (WebException we)
{
removeFromQueue = handleWebException(we);
if (removeFromQueue)
{
req.Fail(we);
}
return(false);
}
catch (Exception e)
{
if (e is TimeoutException)
{
log.Add(@"API level timeout exception was hit");
}
req.Fail(e);
return(false);
}
}
/// <summary>
/// Handle a single API request.
/// Ensures all exceptions are caught and dealt with correctly.
/// </summary>
/// <param name="req">The request.</param>
/// <returns>true if the request succeeded.</returns>
private bool handleRequest(APIRequest req)
{
try
{
req.Perform(this);
// we could still be in initialisation, at which point we don't want to say we're Online yet.
if (IsLoggedIn)
{
state.Value = APIState.Online;
}
failureCount = 0;
return(true);
}
catch (HttpRequestException re)
{
log.Add($"{nameof(HttpRequestException)} while performing request {req}: {re.Message}");
handleFailure();
return(false);
}
catch (SocketException se)
{
log.Add($"{nameof(SocketException)} while performing request {req}: {se.Message}");
handleFailure();
return(false);
}
catch (WebException we)
{
log.Add($"{nameof(WebException)} while performing request {req}: {we.Message}");
handleWebException(we);
return(false);
}
catch (Exception ex)
{
Logger.Error(ex, "Error occurred while handling an API request.");
return(false);
}
}