private static Result WaitingForResult(string apikey, string taskid, TimeSpan maxWaitingTime)
{
//queued
DateTime requestSent = DateTime.Now;
bool done = false;
do
{
TimeSpan waiting = DateTime.Now - requestSent;
string data = null;
try
{
using (WebOcr wc = new WebOcr(60 * 1000))
{
data = wc.DownloadString(ApiUrl + $"result.ashx?apikey={apikey}&taskid={taskid}");
}
}
catch (System.Net.WebException ex)
{
throw new ApiException("WaitingForResultAsync web exc", ex);
}
TaskStatus status = Newtonsoft.Json.JsonConvert.DeserializeObject <TaskStatus>(data);
if (status.Status == TaskStatus.CurrentStatus.NotFound)
{
return new Result()
{
Id = taskid, IsValid = Result.ResultStatus.Invalid, Error = "not found", Started = requestSent, Ends = DateTime.Now
}
}
;
else if (status.Status == TaskStatus.CurrentStatus.Done)
{
return(Newtonsoft.Json.JsonConvert.DeserializeObject <Result>(status.Result));
}
if (waiting > maxWaitingTime)
{
return new Result()
{
Id = taskid, IsValid = Result.ResultStatus.Invalid, Error = "timeout", Started = requestSent, Ends = DateTime.Now
}
}
;
if (waiting.TotalMilliseconds > longTimeThreshold)
{
System.Threading.Thread.Sleep(longWaitingTimesForResult);
}
else
{
System.Threading.Thread.Sleep(shortgWaitingTimesForResult);
}
} while (done == false);
return(new Result()
{
Id = taskid, IsValid = Result.ResultStatus.Invalid, Error = "timeout", Started = requestSent, Ends = DateTime.Now
});
}
public static bool PingExternal(string url)
{
var pingStruct = new { server = "" };
try
{
using (WebOcr wc = new WebOcr(30000))
{
var json = Newtonsoft.Json.JsonConvert.DeserializeAnonymousType(wc.DownloadString(url + "ping.ashx"), pingStruct);
return(json.server == "OK");
}
}
catch (Exception)
{
return(false);
}
}