HttpWebResonse hangs on multiple request
- by Ehsan
I've an application that create many web request to donwload the news pages of a web site
(i've tested for many web sites)
after a while I find out that the application slows down in fetching the html source then I found out that HttpWebResonse fails getting the response. I post only the function that do this job.
public PageFetchResult Fetch()
{
PageFetchResult fetchResult = new PageFetchResult();
try
{
HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(URLAddress);
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
Uri requestedURI = new Uri(URLAddress);
Uri responseURI = resp.ResponseUri;
if (Uri.Equals(requestedURI, responseURI))
{
string resultHTML = "";
byte[] reqHTML = ResponseAsBytes(resp);
if (!string.IsNullOrEmpty(FetchingEncoding))
resultHTML = Encoding.GetEncoding(FetchingEncoding).GetString(reqHTML);
else if (!string.IsNullOrEmpty(resp.CharacterSet))
resultHTML = Encoding.GetEncoding(resp.CharacterSet).GetString(reqHTML);
resp.Close();
fetchResult.IsOK = true;
fetchResult.ResultHTML = resultHTML;
}
else
{
URLAddress = responseURI.AbsoluteUri;
relayPageCount++;
if (relayPageCount > 5)
{
fetchResult.IsOK = false;
fetchResult.ErrorMessage = "Maximum page redirection occured.";
return fetchResult;
}
return Fetch();
}
}
catch (Exception ex)
{
fetchResult.IsOK = false;
fetchResult.ErrorMessage = ex.Message;
}
return fetchResult;
}
any solution would greatly appreciate
