public void DownloadDocument(CrawlerSession Session)
{
if (CrawlerStatus != Status.ScanPending)
{
return;
}
try
{
CrawlerStatus = Status.ScanInProgress;
string Hostname; bool UseSsl;
BuildHostname(out Hostname, out UseSsl);
string RelativePath = Href.Split(new string[] { Hostname }, StringSplitOptions.None)[1];
HttpConnection TmpConnection = new HttpConnection();
TmpConnection.StartConnection(Hostname, UseSsl);
List <byte> Data;
TmpConnection.ExecuteRequest(RelativePath, out Data);
TmpConnection.CloseConnection();
CrawlerStatus = ParseDocument(Data) ? Status.ScanFinished : Status.ScanFailed;
}
catch { Errmsg = "tcp error"; CrawlerStatus = Status.ScanFailed; }
OnDocumentParsed(this);
}
private void ButtonBeginCrawling_Click(object sender, EventArgs e)
{
ButtonBeginCrawling.Enabled = false;
ListboxLog.Items.Clear();
Session = new CrawlerSession();
Session.OnCrawlerProgress += HandleOnCrawlerProgress;
Session.OnCrawlerFinished += HandleOnCrawlerFinished;
Session.BeginSession(Cfg);
}
private void HandleOnCrawlerProgress(CrawlerSession Session, int DocumentsParsed, int DocumentsLeft)
{
Invoke(new Action(() =>
{
ProgressbarCrawler.Maximum = DocumentsParsed + DocumentsLeft;
ProgressbarCrawler.Value = Math.Min(ProgressbarCrawler.Maximum, DocumentsParsed + 1);
ProgressbarCrawler.Value = Math.Max(DocumentsParsed, 0);
ListboxLog.Items.Clear();
ListboxLog.Items.Add(
string.Format("{0}/{1} documents parsed",
DocumentsParsed.ToString(),
(DocumentsParsed + DocumentsLeft).ToString()));
}));
}
private void HandleOnCrawlerFinished(CrawlerSession Session)
{
Invoke(new Action(() =>
{
ListboxLog.Items.Clear();
if (!Session.PrintCrawlSessionToXml())
{
MessageBox.Show("Could not create XML file.");
}
PrintDoc(Session.GetRootDocument());
this.Session = null;
ButtonBeginCrawling.Enabled = true;
ProgressbarCrawler.Value = ProgressbarCrawler.Maximum;
}));
}
