public static string CacheFilename(ScanProproteinInterfaceParameters scanProproteinInterfaceParameters)
{
if (scanProproteinInterfaceParameters == null)
{
throw new ArgumentNullException(nameof(scanProproteinInterfaceParameters));
}
var invalid = Path.GetInvalidFileNameChars();
const string folder = @"c:\k\";
const string extension = @".xml";
var queryString = string.Join("", scanProproteinInterfaceParameters.QueryString(false).Select(a => !invalid.Contains(a) ? a : '_').ToArray());
var filename = folder + queryString + extension;
if (filename.Length > 259)
{
using (SHA512 shaM = new SHA512Managed())
{
var data = Encoding.UTF8.GetBytes(queryString);
var hash = shaM.ComputeHash(data);
filename = folder + BitConverter.ToString(hash) + extension;
}
}
var path = Path.GetDirectoryName(filename);
if (path != null)
{
Directory.CreateDirectory(path);
}
return(filename);
}
public static string GetProproteinInterfaceXml(ScanProproteinInterfaceParameters scanProproteinInterfaceParameters, TimeSpan timeout, int retries, TimeSpan retryDelay)
{
while (retries > 0)
{
retries--;
using (var client = new HttpClient())
{
client.Timeout = new TimeSpan(1, 30, 0);
client.BaseAddress = new Uri("http://www.expasy.org/");
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/xml"));
//client.Timeout = ?
var queryString = "cgi-bin/proproteinInterface/PSScan.cgi?" + scanProproteinInterfaceParameters.QueryString();
// HTTP GET
var response = client.GetAsync(queryString);
if (response.IsCanceled || response.IsFaulted)
{
if (response.Exception != null)
{
throw response.Exception;
}
}
//response.Result.EnsureSuccessStatusCode();
try
{
response.Wait();
if (response.Result.IsSuccessStatusCode)
{
var readAsStringAsync = response.Result.Content.ReadAsStringAsync();
readAsStringAsync.Wait();
var resultString = readAsStringAsync.Result;
if (resultString == null)
{
resultString = "";
}
return(resultString);
}
else
{
return("");
}
}
catch (AggregateException)
{
if (retries == 0)
{
return(null);
}
else
{
var t = Task.Delay(1000);
t.Wait();
}
}
}
}
return(null);
}