private void DataReceived(IAsyncResult ar)
{
UdpClient c = (UdpClient)((UdpState)ar.AsyncState).c;
IPEndPoint wantedIpEndPoint = (IPEndPoint)((UdpState)(ar.AsyncState)).e;
IPEndPoint receivedIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
Byte[] receiveBytes = System.Text.Encoding.Default.GetBytes("".ToString());
Regex regexMyBidInfo = new Regex(@"<MYBIDINFO>(.*)</MYBIDINFO>");
try
{
// parse UDP packages and update the price and tiem in BIDContext
receiveBytes = c.EndReceive(ar, ref receivedIpEndPoint);
string recvInfo = ASCIIEncoding.ASCII.GetString(receiveBytes);
if (regexMyBidInfo.IsMatch(recvInfo))
{
var myBidInfo = regexMyBidInfo.Match(recvInfo).Groups[1].ToString();
string[] myBidInfoArray = myBidInfo.Split(new Char[] { '^' });
DateTime dtUpdate = Convert.ToDateTime(myBidInfoArray[0]);
int price = Convert.ToInt32(myBidInfoArray[1]);
// 收到一个udp包就去更新 这样时间就能够保持一致
this._ctx.UpdateState(price, dtUpdate);
BIDLogger.GetLogger(null).Append("It is a new info：" + recvInfo);
//if (price > this._ctx.BaseAmount)
//{
// this._ctx.UpdateState(price, dtUpdate);
// BIDLogger.GetLogger(null).Append("It is a new info：" + recvInfo);
//}
//else
//{
// BIDLogger.GetLogger(null).Append("It is an old info：" + recvInfo);
//}
}
}
catch (Exception)
{
//c.Close();
//c.Client.Close();
// 点多次开始拍卖此处有坑 需要做null的判定
if (c != null && c.Client != null)
{
c.Client.Shutdown(SocketShutdown.Both);
}
return;
}
// Check sender
bool isRightHost = (wantedIpEndPoint.Address.Equals(receivedIpEndPoint.Address)) || wantedIpEndPoint.Address.Equals(IPAddress.Any);
bool isRightPort = (wantedIpEndPoint.Port == receivedIpEndPoint.Port) || wantedIpEndPoint.Port == 0;
if (isRightHost && isRightPort)
{
// Convert data to ASCII and print in console
string receivedText = ASCIIEncoding.ASCII.GetString(receiveBytes);
}
// Restart listening for udp data packages
c.BeginReceive(new AsyncCallback(DataReceived), ar.AsyncState);
}
public static Bitmap DownloadImage(string imageUrl)
{
int retries = 6;
Bitmap bitmap = null;
while ((bitmap == null) && (retries-- > 0))
{
try
{
WebClient client = new WebClient();
Stream stream = client.OpenRead(imageUrl);
bitmap = new Bitmap(stream);
stream.Flush();
stream.Close();
}
catch (Exception)
{
BIDLogger.GetLogger(null).Append("DownloadImage retry");
//这个WebClient应该自己默认有超时时间的 1秒吧
// Thread.Sleep(500);
continue;
}
}
return(bitmap);
}
public static BIDLogger GetLogger(string name = null)
{
if (name == null)
{
name = "Default";
}
BIDLogger bIDLogger = null;
BIDLogger._cache.TryGetValue(name, out bIDLogger);
if (bIDLogger == null)
{
lock (BIDLogger._cache)
{
bIDLogger = new BIDLogger(name);
BIDLogger._cache[name] = bIDLogger;
}
}
return(bIDLogger);
}
private static string DecryptString(string encryString)
{
try
{
string privateKeyXML = BIDWebConfig.privateKeyXML;
var rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(privateKeyXML);
// Decrypt string, convert to correct encoding
byte[] encryptedBytes = Convert.FromBase64String(encryString);
var decryptedBytes = rsa.Decrypt(encryptedBytes, false);
var decryptedString = Encoding.UTF8.GetString(decryptedBytes);
return(decryptedString);
}
catch (Exception ex)
{
BIDLogger.GetLogger(null).Append("解析license文件出错" + ex.ToString());
return(null);
}
}
private void frmMain_Load(object sender, EventArgs e)
{
string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "bid.log");
BIDLogger.GetLogger(null).AddHandler(new FileLogger(path));
base.ClientSize = new Size(this.pnControl.Width + 900, 700);
this.wbMain.Navigate("about:blank");
this.wbMain.ScrollBarsEnabled = false;
this.tmUI.Enabled = true;
this.AutoFireTimeSecond = this.random.Next(54, 57); //生成54 - 57秒的随机数
this.AutoFireTime += this.AutoFireTimeSecond.ToString();
// Load License
//try
//{
// string licenseText = System.IO.File.ReadAllText(@"license.dat");
// Tuple<string, int> resTuple = EncryptionHelper.ParserLicense(licenseText);
// this._ctx.BIDNumberMore = resTuple.Item2;
// if (resTuple.Item1 != "0")
// {
// System.Windows.Forms.MessageBox.Show(resTuple.Item1);
// Application.Exit();
// }
//}
//catch (System.IO.FileNotFoundException ex)
//{
// System.Windows.Forms.MessageBox.Show("license文件不存在！");
// BIDLogger.GetLogger(null).Append(ex.ToString());
// Application.Exit();
//}
//catch (Exception ex)
//{
// System.Windows.Forms.MessageBox.Show("未知错误 请换一台干净的Windows 7电脑");
// BIDLogger.GetLogger(null).Append(ex.ToString());
// Application.Exit();
//}
}
public void ProxyThread()
{
while (true)
{
UdpClient udpClient = null;
try
{
// Automatically assigned local IPv4 port
udpClient = new UdpClient(0);
IPEndPoint epUdpServer = new IPEndPoint(IPAddress.Parse(BIDWebConfig.yayaServer), 990);
UdpState state = new UdpState(udpClient, epUdpServer);
// UdpClient is not verify the validity of addresses
udpClient.Connect(epUdpServer);
udpClient.BeginReceive(new AsyncCallback(DataReceived), state);
StringBuilder msgSendStringBuilder = new StringBuilder();
StringBuilder msgHelloBuilder = new StringBuilder();
msgHelloBuilder.Append("<TYPE>CLIENT</TYPE><BIDNO>");
msgHelloBuilder.Append(this._ctx.BIDNumer);
msgHelloBuilder.Append("</BIDNO>");
msgHelloBuilder.Append("<VCODE>123456</VCODE>");
byte[] msgHello = System.Text.Encoding.Default.GetBytes(msgHelloBuilder.ToString());
while (true)
{
// We Must Send Hello Message First
udpClient.Send(msgHello, msgHello.Length);
Thread.Sleep(100);
// Send Price Update Message
msgSendStringBuilder.Append("<TYPE>UPDATE</TYPE><INFO>");
// 显然此处的发送时间不应该再是本地的时间了：
msgSendStringBuilder.Append(this._ctx.UpdateTime.ToString("HH:mm:ss"));
msgSendStringBuilder.Append("^");
msgSendStringBuilder.Append(this._ctx.BaseAmount);
msgSendStringBuilder.Append("</INFO>");
byte[] msgSend = System.Text.Encoding.Default.GetBytes(msgSendStringBuilder.ToString());
udpClient.Send(msgSend, msgSend.Length);
msgSendStringBuilder.Clear();
Thread.Sleep(200);
}
}
catch (SocketException ex)
{
BIDLogger.GetLogger(null).Append(ex.ToString());
}
catch (Exception ex)
{
BIDLogger.GetLogger(null).Append(ex.ToString());
}
finally
{
if (udpClient != null)
{
try
{
udpClient.Close();
}
catch
{
}
}
}
Thread.Sleep(500);
}
}
private void Log(string str)
{
BIDLogger.GetLogger(null).Append(str, 1);
}
