public void UpdateList()
{
var newProxies = new List <Proxy>();
var ret = "";
using (var wc = new ImpatientWebClient())
ret = wc.DownloadString("http://cn-proxy.com/");
var tables = Regex.Matches(ret, "<table class=\"sortable\">.+?<tbody>(.*?)<\\/tbody>", RegexOptions.Singleline);
var first = true;
foreach (Match mat in tables)
{
if (first)
{
first = false;
continue;
}
var trs = Regex.Matches(mat.Groups[1].Value, "<tr>(.*?)<\\/tr>", RegexOptions.Singleline);
foreach (Match tr in trs)
{
var tds = Regex.Matches(tr.Groups[1].Value, "<td>(.*?)<\\/td>");
try
{
newProxies.Add(new Proxy()
{
host = tds[0].Groups[1].Value, port = int.Parse(tds[1].Groups[1].Value), latency = int.MaxValue
});
}
catch (Exception) { }
}
}
lock (this)
Proxies = newProxies;
}
public void UpdateList()
{
var newProxies = new List <Proxy>();
var ret = "";
using (var wc = new ImpatientWebClient())
ret = wc.DownloadString("https://cn-proxy.com/");
var trs = Regex.Matches(ret, "<tr>(.*?)<\\/tr>", RegexOptions.Singleline);
foreach (Match tr in trs)
{
var tds = Regex.Matches(tr.Groups[1].Value, "<td>(.*?)<\\/td>");
if (tds.Count > 2)
{
var host = tds[0].Groups[1].Value;
if (Regex.IsMatch(host, @"\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"))
{
if (int.TryParse(tds[1].Groups[1].Value, out var port))
{
newProxies.Add(new Proxy()
{
host = host, port = port, latency = int.MaxValue
});
}
}
}
}
lock (this)
Proxies = newProxies;
}
public void UpdateLatency()
{
var newProxies = Proxies.Select(p => new Proxy {
host = p.host, port = p.port
}).ToList();
var actions = new List <Action>();
foreach (var proxy in newProxies)
{
actions.Add(() =>
{
var latency = int.MaxValue;
try
{
using (var wc = new ImpatientWebClient(ProxyTestTimeout))
{
wc.Proxy = new WebProxy(proxy.host, proxy.port);
var sw = new Stopwatch();
sw.Start();
var ret = wc.DownloadString("https://music.163.com/about");
sw.Stop();
if (ret.Contains("music.126"))
{
latency = (int)sw.ElapsedMilliseconds;
}
}
lock (this)
{
proxy.latency = latency;
proxy.valid = latency != int.MaxValue;
}
Console.WriteLine("{0}: OK", proxy);
}
catch (Exception e) {
Console.WriteLine("{0}: {1}", proxy, e.Message);
}
});
}
Parallel.Invoke(new ParallelOptions {
MaxDegreeOfParallelism = parallelism
}, actions.ToArray());
newProxies = newProxies.Where(p => p.valid).OrderBy(p => p.latency).ToList();
Console.WriteLine("Available proxies: ");
newProxies.ForEach(p => Console.WriteLine(p));
lock (this)
Proxies = newProxies.Where(p => p.valid).OrderBy(p => p.latency).ToList();
}
public void UpdateLatency()
{
var tasks = new List <Task>();
List <Proxy> newProxies;
lock (this)
{
newProxies = Proxies.Select(item => new Proxy {
host = item.host, port = item.port, latency = item.latency
}).ToList();
}
foreach (var proxy in newProxies)
{
tasks.Add(Task.Factory.StartNew(() =>
{
var latency = int.MaxValue;
try
{
using (var wc = new ImpatientWebClient())
{
wc.Proxy = new WebProxy(proxy.host, proxy.port);
var sw = new Stopwatch();
sw.Start();
var ret = wc.DownloadString("http://music.163.com/about");
sw.Stop();
if (ret.Contains("music.126"))
{
latency = (int)sw.ElapsedMilliseconds;
}
}
proxy.latency = latency;
}
catch (Exception) { }
}));
}
Task.WaitAll(tasks.ToArray(), 5000);
newProxies = newProxies.OrderBy(o => o.latency).ToList();
lock (this)
{
Proxies = newProxies;
}
}