public async Task <T> Run <T>(BizwebRequestMessage baseReqMsg,
ExecuteRequestAsync <T> executeRequestAsync)
{
var accessToken = GetAccessToken(baseReqMsg);
LeakyBucket bucket = null;
if (accessToken != null)
{
bucket = LeakyBucket.GetBucketByToken(accessToken);
}
while (true)
{
using (var reqMsg = baseReqMsg.Clone())
{
if (accessToken != null)
{
await bucket.GrantAsync();
}
try
{
var fullResult = await executeRequestAsync(reqMsg);
var bucketState = GetBucketState(fullResult.Response);
var reportedFillLevel = bucketState.Item1;
var reportedCapacity = bucketState.Item2;
if (reportedFillLevel != null && reportedCapacity != null)
{
bucket?.SetBucketState(reportedFillLevel.Value, reportedCapacity.Value);
}
return(fullResult.Result);
}
catch (BizwebSharpException)
{
//An exception may still occur:
//-Shopify may have a slightly different algorithm
//-Shopify may change to a different algorithm in the future
//-There may be timing and latency delays
//-Multiple programs may use the same access token
//-Multiple instances of the same program may use the same access token
await Task.Delay(THROTTLE_DELAY);
}
}
}
}