void doCrawler()
{
dtCom = new DB.CompanyDataTable();
adtCom = new DBTableAdapters.CompanyTableAdapter();
adtCom.Connection.ConnectionString = QT.Entities.Server.ConnectionString;
if (adtCom.Connection.State == ConnectionState.Closed)
{
adtCom.Connection.Open();
}
if (chkFind.Checked == true)
{
webCRC = new List <long>();
adtCom.Fill(dtCom);
int i0 = 0;
foreach (var dr in dtCom)
{
i0 = webCRC.BinarySearch(dr.ID);
if (i0 < 0)
{
webCRC.Insert(~i0, dr.ID);
}
}
//adtCom.Connection.Close();
//adtCom.Dispose();
//dtCom.Dispose();
}
visitedCount = 0;
crawlerLink = new Queue <string>();
visitedCRC = new List <long>();
rootUri = new Uri(rootUrl);
crawlerLink.Enqueue(rootUrl);
while (crawlerLink.Count > 0)
{
if (finish)
{
break;
}
if (!pause)
{
string c_url = crawlerLink.Dequeue();
try
{
string html = GABIZ.Base.HtmlUrl.HTMLTransmitter.getHTML(c_url, 45, 2);
if (html != "")
{
GABIZ.Base.HtmlAgilityPack.HtmlDocument doc = new GABIZ.Base.HtmlAgilityPack.HtmlDocument();
doc.LoadHtml(html);
var a_nodes = doc.DocumentNode.SelectNodes("//a[@href]");
if (a_nodes != null)
{
#region add link to process
for (int i = 0; i < a_nodes.Count; i++)
{
string s = Common.GetAbsoluteUrl(a_nodes[i].Attributes["href"].Value, rootUri);
if (!IsNoVisitUrl(s))
{
long s_crc = Tools.getCRC64(LinkCanonicalization.NormalizeLink(s));
int index = visitedCRC.BinarySearch(s_crc);
if (index < 0)
{
if (IsRelevantUrl(s))
{
crawlerLink.Enqueue(s);
}
visitedCRC.Insert(~index, s_crc);
if (chkFind.Checked == true)
{
if (!IsRelevantUrl(s))
{
Uri uri = new Uri(s);
TimeSpan timestartup = new TimeSpan(0, 1, 1, 0);
TimeSpan timeSleep = new TimeSpan(0, 1, 1, 0);
String domain = uri.Host.ToLower();
domain = domain.Replace("www.", "");
long idcom = Common.GetIDCompany(domain);
int index1 = webCRC.BinarySearch(idcom);
if (index1 < 0)
{
Alexa a = new Alexa();
a = Common.GetRankAlexa(uri.Host);
Thread.Sleep(Common.Obj2Int(txtDelay.Text.Trim()));
countWeb++;
webCRC.Insert(~index1, idcom);
adtCom.Insert(
idcom,
"",
"Tìm thấy từ " + txtURL.Text,
domain,
domain,
DateTime.Now,
"",
"",
"",
"",
Common.CompanyStatus.WEB_ADDNEWS,
false,
"",
a.AlexaRankContries,
a.AlexaRank,
timestartup,
timeSleep,
500,
0,
DateTime.Now,
DateTime.Now,
30,
0,
0,
0, "", DateTime.Now, "", 0, DateTime.Now, 0, "", "", true, false, false, true, true, true, null, null, false, "", 3);
}
}
}
}
}
}
#endregion
}
if (showLog)
{
#region show log
this.Invoke((MethodInvoker) delegate
{
lblVisited.Text = visitedCount.ToString();
lblQueue.Text = crawlerLink.Count.ToString();
lblProduct.Text = countWeb.ToString();
txtUrlCurrent.Text = currentUrl;
var xx = DateTime.Now - start;
DateTime mydate = new DateTime(xx.Ticks);
lblTime.Text = mydate.ToString("HH:mm:ss");
lblIgnored.Text = ignoredCount.ToString();
});
#endregion
}
}
visitedCount++;
currentUrl = c_url;
}
catch (Exception ex)
{
FileLog.WriteAppendText(DateTime.Now.ToString("dd/MM HH:mm:ss") + "\t, " + c_url + "\r\n" + ex.ToString(), rootUri.Host + ".csv");
}
}
}
finish = true;
crawlerLink.Clear();
crawlerLink = null;
this.timer1.Start();
if (crawlerThread != null)
{
if (crawlerThread.IsAlive)
{
crawlerThread.Abort();
crawlerThread.Join();
crawlerThread = null;
}
}
}
private void CrawlerNewProduct(MQTask_NewProduct taskCrawler)
{
if (taskCrawler.company == null)
{
ReportData("Company null in task");
}
else if (taskCrawler.Configuration == null)
{
ReportData("Config null in task");
}
else
{
//CrawlerNewProduct crawlerCore = new CrawlerNewProduct(taskCrawler.company, taskCrawler.configCrawler);
//crawlerCore.bAllowInsertNewProduct = true;
//crawlerCore.bAllowUpdateOldProduct = false;
//crawlerCore.bTrackQueueToDb = true;
//crawlerCore.iLevelMaxCrawler = 10;
//crawlerCore.Start();
string rootUrl = taskCrawler.company.Website;
int visitedCount = 0;
Configuration config = taskCrawler.Configuration;
List <string> crawlerRegex = config.VisitUrlsRegex;
List <string> detailLinkRegex = config.ProductUrlsRegex;
List <string> P_Show = new List <string>();
List <Product> Products = new List <Product>();
Queue <string> crawlerLink = new Queue <string>();
List <long> visitedCRC = new List <long>();
Uri rootUri = new Uri(rootUrl);
crawlerLink.Enqueue(rootUrl);
string currentUrl = "";
bool finish = false;
bool pause = false;
int ignoredCount = 0;
while (crawlerLink.Count > 0)
{
if (Products.Count >= config.ItemReCrawler)
{
break;
}
if (finish)
{
break;
}
if (!pause)
{
try
{
string c_url = crawlerLink.Dequeue();
FileLog.WriteAppendText(DateTime.Now.ToString("dd/MM HH:mm:ss") + "\t, " + c_url, rootUri.Host + ".txt");
string html = GABIZ.Base.HtmlUrl.HTMLTransmitter.getHTML(c_url, 45, 2);
if (html != "")
{
GABIZ.Base.HtmlAgilityPack.HtmlDocument doc = new GABIZ.Base.HtmlAgilityPack.HtmlDocument();
if (config.UseClearHtml)
{
html = Common.TidyCleanR(html);
}
doc.LoadHtml(html);
var a_nodes = doc.DocumentNode.SelectNodes("//a[@href]");
if (a_nodes != null)
{
for (int i = 0; i < a_nodes.Count; i++)
{
string s = Common.GetAbsoluteUrl(a_nodes[i].Attributes["href"].Value, rootUri);
long s_crc = GABIZ.Base.Tools.getCRC64(LinkCanonicalization.NormalizeLink(s));
int index = visitedCRC.BinarySearch(s_crc);
if (index < 0)
{
if (IsRelevantUrl(s))
{
crawlerLink.Enqueue(s);
}
visitedCRC.Insert(~index, s_crc);
}
}
}
if (IsDetailUrl(c_url, detailLinkRegex))
{
QT.Entities.Product p = new Product();
p.Analytics(doc, c_url, config, false, taskCrawler.company.Domain);
if (p != null)
{
if (p.Name != null)
{
if (p.Name.Trim() != "")
{
Products.Add(p);
}
else
{
FileLog.WriteAppendText(DateTime.Now.ToString("dd/MM HH:mm:ss") + "\t, " + "Product not name", rootUri.Host + ".txt");
}
}
}
else
{
ignoredCount++;
}
}
}
visitedCount++;
currentUrl = c_url;
Thread.Sleep(config.TimeDelay);
}
catch (Exception ex)
{
FileLog.WriteAppendText(DateTime.Now.ToString("dd/MM HH:mm:ss") + "\t, " + ex.ToString(), rootUri.Host + ".txt");
}
}
}
finish = true;
}
}