public HdojFetcher(int cid, DataHolder data, string username, string userpass, int lop, ILogger logger)
{
_data = data;
_cid = cid;
_lop = lop;
_logger = logger;
var handler = new HttpClientHandler();
handler.UseCookies = true;
handler.CookieContainer = new CookieContainer();
handler.AllowAutoRedirect = false;
_httpClient = new HttpClient(handler);
_httpClient.BaseAddress = new Uri("http://acm.hdu.edu.cn/");
_loginContent = new FormUrlEncodedContent(new Dictionary <string, string>
{
["login"] = "******",
["username"] = username,
["userpass"] = userpass,
});
}