private void btn_GetLocation_Click(object sender, EventArgs e)
{
System.Net.IPHostEntry myEntry = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName());
string ipAddress = myEntry.AddressList[0].ToString();
this.Text = ipAddress;
}
private void button3_Click(object sender, EventArgs e)
{
//string x = Dns.GetHostName();
//try
//{
// string PCName = Dns.GetHostEntry(IPAddress.Parse(textBox4.Text)).HostName;
// textBox5.Text = PCName;
//}
//catch (Exception ex)
//{
// textBox5.Text = "Fail";
//}
////Dns.GetHostEntry(System.Web.HttpContext.Current.Request.ServerVariables["192.168.0.10"]).HostName;
// IPAddress ip = IPAddress.Parse(textBox4.Text);
try
{
System.Net.IPHostEntry ip = System.Net.Dns.GetHostByAddress(textBox4.Text);
//Console.WriteLine("IP Address {0}: {1}", ++AddressCount, ip.HostName);
textBox5.Text = ip.HostName.ToString();
}
catch (Exception ex)
{
textBox5.Text = "FAIL";
}
}
public void Connect()
{
System.Net.IPHostEntry hostIps = System.Net.Dns.GetHostEntry(host);
connctHost = hostIps.AddressList[0];
#if TESTMODE
System.Diagnostics.Debug.WriteLine("-------------------------------------");
System.Diagnostics.Debug.WriteLine("Dns back");
foreach (var tempIp in hostIps.AddressList)
{
System.Diagnostics.Debug.WriteLine(tempIp.ToString());
}
System.Diagnostics.Debug.WriteLine("-------------------------------------");
#endif
mySocket = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//mySocket.NoDelay = true;
IPEndPoint hostEndPoint = new IPEndPoint(connctHost, 443);
mySocket.Connect(hostEndPoint);
{
//ThreadPool.QueueUserWorkItem(new WaitCallback(ReceviData), mySocket); //这里使用线程池将失去部分对线程的控制能力(创建及启动会自动被延迟)
reciveThread = new Thread(new ParameterizedThreadStart(ReceviData));
reciveThread.IsBackground = true;
reciveThread.Start(mySocket);
}
Console.WriteLine("connect ok");
}
static public string DNS2IP(string dns)
{
string ret;
bool bIsIp = false;
try
{
System.Net.IPAddress.Parse(dns);
bIsIp = true;
}
catch (Exception ex)
{
bIsIp = false;
System.Console.Write(ex.Message);
}
try
{
if (!bIsIp)
{
System.Net.IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(dns);
System.Net.IPAddress[] addr = ipEntry.AddressList;
ret = addr[0].ToString();
}
else
{
ret = dns;
}
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(dns + e.Message);
ret = dns;
}
return(ret);
}
public String GetIP(string host)
{
String ipadr = "";
System.Net.IPHostEntry ipentry = null;
try
{
ipentry = System.Net.Dns.GetHostEntry(host.Replace("CN=", ""));
System.Net.IPAddress[] addrs = ipentry.AddressList;
foreach (System.Net.IPAddress addr in addrs)
{
//Limit to IPv4 for now
if (addr.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
ipadr += addr.ToString() + ",";
Application.DoEvents();
}
}
ipadr = ipadr.Substring(0, ipadr.Length - 1);
}
catch
{
ipadr = StringValue.UnknownHost;
}
return(ipadr);
}
private IPAddress GetLocalAddress()
{
#region Getting Local Address Logic; might be replace with getting address from service config
IPAddress localAddress = null;
string localIP = ConfigurationSettings.AppSettings["ManagementServerIP"];
try
{
localAddress = System.Net.IPAddress.Parse(localIP);
}
catch (Exception ex)
{
System.Net.IPHostEntry hostEntry = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName());
if (hostEntry.AddressList != null)
{
foreach (System.Net.IPAddress addr in hostEntry.AddressList)
{
if (addr.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
localAddress = addr;
break;
}
}
}
}
return(localAddress);
#endregion
}
public ManagementClass GetManagementClass(string scopeString, string classString, IPHostEntry hostEntry, string username, string password)
{
SetHost(hostEntry);
ValidateHost();
var connectionOptions = new ConnectionOptions()
{
Impersonation = ImpersonationLevel.Impersonate,
EnablePrivileges = true,
Username = username,
Password = password
};
var managementScope = new ManagementScope(String.Format(@"\\{0}\{1}", _host, scopeString), connectionOptions);
var managementClass = new ManagementClass(managementScope, new ManagementPath(classString), new ObjectGetOptions());
managementScope.Connect();
if (!managementScope.IsConnected)
{
throw new InstrumentationException(ExceptionMessages.ScopeConnectFail);
}
return managementClass;
}
public void Delete(IPHostEntry host, DirectoryInfo target)
{
var wqlQuery = new ObjectQuery(string.Format(@"SELECT * from Win32_Directory WHERE Name = '{0}'", target.Name));
var managementClassEntry = _managementClassList.First(x => x.Item1 == _hostsList.IndexOf(host));
ManagementObjectSearcher objectSearcher = new ManagementObjectSearcher(managementClassEntry.Item2.Scope, wqlQuery);
ManagementObjectCollection directoryObjectsCollection = objectSearcher.Get();
if (directoryObjectsCollection.Count == 0)
{
throw new FileSystemInstrumentationException(@"{0} {1}.", ExceptionMessages.Win32_DirectoryFail, target.Name);
}
foreach (ManagementObject shareObject in directoryObjectsCollection)
{
PropertyDataCollection outParams;
long returnValue;
managementClassEntry.Item3.Handle("Delete", new List<PropertyDataObject>(), out outParams);
returnValue = long.Parse(outParams["ReturnValue"].Value.ToString());
if (returnValue != 0)
{
throw new FileSystemInstrumentationException(@"{0} {1}.", ExceptionMessages.Win32_DirectoryFail, _errorMessageProvider.GetErrorMessage(ErrorMessageProvider.ErrorClass.Win32_Directory, returnValue));
}
}
}
/// <summary>
/// Connect to Server:Port
/// </summary>
public void Connect(IPHostEntry ip, Int32 Port)
{
foreach (IPAddress addr in ip.AddressList)
{
this.Connect(addr, Port);
}
}
// Run the operation thread.
public void BeginInvoke(String hostName)
{
try
{
switch(operation)
{
case DnsOperation.GetHostByName:
{
acceptResult = Dns.GetHostByName(hostName);
}
break;
case DnsOperation.Resolve:
{
acceptResult = Dns.Resolve(hostName);
}
break;
}
}
catch(Exception e)
{
// Save the exception to be thrown in EndXXX.
exception = e;
}
completed = true;
if(callback != null)
{
callback(this);
}
#if ECMA_COMPAT
SocketMethods.WaitHandleSet(waitHandle);
#else
((ManualResetEvent)waitHandle).Set();
#endif
}
protected ArrayList alBuscarUsuarios()
{
ipHostName = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in ipHostName.AddressList)
{
sQuery = "SELECT cuenta_usr, foto_usr FROM tabm_SGusuario T1 INNER JOIN tabt_SGsesion T2 ON T2.cod_usr = T1.cod_usr WHERE ipdir_usr= \"" + ip.ToString() + "\" LIMIT 6";
if (bAbrirConexion())
{
try
{
OdbcCommand ocComando = new OdbcCommand(sQuery, Conexion);
OdbcDataReader odcReader = ocComando.ExecuteReader();
while (odcReader.Read())
{
E_Usuario eUsuario = new E_Usuario();
eUsuario.Cuenta = odcReader[0].ToString();
eUsuario.ImagenBytes = (byte[])odcReader[1];
alResultados.Add(eUsuario);
}
vCerrarConexion();
}
catch (OdbcException ex)
{
return null;
}
}
}
return alResultados;
}
/// <summary>
/// 檢查是否有連接網路的能力。
/// </summary>
/// <returns></returns>
public static bool IsNetworkConnected()
{
try
{
System.Net.IPHostEntry entry = System.Net.Dns.GetHostEntry("www.google.com");
return(true);
}
catch
{
return(false);
}
/*以下作法在某些環境會出現 WMI 物件的 TypeInitializationException，故不使用。
* bool connected = false;
* string qry = "SELECT NetConnectionStatus FROM Win32_NetworkAdapter";
*
* using (ManagementObjectSearcher mngSearcher = new ManagementObjectSearcher(qry))
* {
* ManagementObjectCollection mngObjects = mngSearcher.Get();
* foreach (ManagementObject networkAdapter in mngObjects)
* {
* if (networkAdapter["NetConnectionStatus"] != null)
* {
* if (Convert.ToInt32(networkAdapter["NetConnectionStatus"]).Equals(2))
* {
* connected = true;
* break;
* }
* }
* }
* }
* return connected;
*/
}
public string GetHostNameByIp(string ip)
{
ip = ip.Trim();
if (ip == string.Empty)
{
return(string.Empty);
}
try
{
// 是否 Ping 的通
if (this.Ping(ip))
{
System.Net.IPHostEntry host = System.Net.Dns.GetHostEntry(ip);
return(host.HostName);
}
else
{
return(string.Empty);
}
}
catch (Exception)
{
return(string.Empty);
}
}
public void GetIP4AddressTest_MissingIP4Address()
{
// Testing the failure when the IP4Address format is missing from the structure.
String localName = m_library.GetLocalName();
System.Net.IPHostEntry IPHEntry = m_communications.GetIPHostInfo(localName);
IPAddress fakeAddress;
String fakeAddressString = "fe80::7d02:2f4c:6208:edc2%12";
fakeAddress = IPAddress.Parse(fakeAddressString);
int length = IPHEntry.AddressList.Length;
for (int i = 0; i < length; i++)
{
IPHEntry.AddressList[i] = fakeAddress;
}
IPAddress fakeValue = m_communications.GetIP4Address(IPHEntry);
String fakeValueString = fakeValue.ToString();
bool isFakeValue = fakeValueString.Contains(fakeAddressString);
Assert.IsTrue(isFakeValue);
}
public static Net.IPAddress GetIP(string hostName, bool ipv6)
{
Net.IPAddress address = null;
if (!string.IsNullOrEmpty(hostName))
{
try
{
if (!Net.IPAddress.TryParse(hostName, out address))
{
Net.IPHostEntry host = Net.Dns.GetHostEntry(hostName);
if (host != null)
{
foreach (Net.IPAddress ip in host.AddressList)
{
if (((ipv6) && (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6)) ||
((!ipv6) && (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)))
{
address = ip;
break;
}
}
}
}
}
catch
{
}
}
return(address);
}
//Constructor assigns global variables and creates listener socket
public AsynchronousSocketListener()
{
this.ipHostInfo = Dns.Resolve(Dns.GetHostName()); // Establish the local endpoint for the socket.
this.ipAddress = ipHostInfo.AddressList[0]; //
this.localEndPoint = new IPEndPoint(ipAddress, 8080); //
this.listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); // Create a TCP/IP socket.
}
private string mGetLocalIP(string _IP)
{
string sMess = null;
try
{
string hostName = System.Net.Dns.GetHostName();
System.Net.IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(hostName);
//ip地址列表
System.Net.IPAddress[] addr = ipEntry.AddressList;
for (int i = 0; i < addr.GetLength(0); i++)
{
string IPAddress = addr[i].ToString();
if (IPAddress == _IP)
{
return(IPAddress);
}
}
sMess = "物理IP与系统设置IP不匹配，请联系系统管理员";
MyPublic.gWriteLog(MyPublic.g_LogErr, m_sClsName, "mGetLocalIP", sMess);
OnDisCmdMess(1, sMess);
return(null);
}
catch (System.Exception ex)
{
sMess = ex.Message.ToString();
MyPublic.gWriteLog(MyPublic.g_LogErr, m_sClsName, "mGetLocalIP", sMess);
return(null);
}
}
// GetHostIpAddress returns the IP address of the local host.
public static string GetHostIpAddress()
{
if (SystemInfo.operatingSystem.Contains("Mac"))
{
foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
{
if (ni.Name == "en0")
{
foreach (System.Net.NetworkInformation.UnicastIPAddressInformation item in ni.GetIPProperties().UnicastAddresses)
{
if (item.Address.AddressFamily == AddressFamily.InterNetwork)
{
return(item.Address.ToString());
}
}
}
}
}
System.Net.IPHostEntry host = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
return(ip.ToString());
}
}
throw new Exception("No network adapters with an IPv4 address in the system");
}
public static string GetMAC(ref string IP)
{
string MAC = null;
try
{
//se agrega la ip del equipo donde se esta ejecutando
//NOTA: la ip cambia dependiendo del adaptador wifi ò ethernet
if (IPAddress.Parse(IP).Equals(IPAddress.Parse("192.168.0.26")) || IPAddress.Parse(IP).Equals(IPAddress.Parse("::1")))
{
System.Net.IPHostEntry iPHostEntry = Dns.GetHostEntry(HttpContext.Current.Server.MachineName);
IP = iPHostEntry.AddressList[1].ToString();
}
System.Net.IPAddress ipaddress = IPAddress.Parse(IP);
byte[] ab = new byte[6];
int len = ab.Length;
int r = SendARP((int)ipaddress.AddressFamily, 0, ab, ref len);
MAC = BitConverter.ToString(ab, 0, 6);
}
catch (Exception)
{
MAC = null;
}
return(MAC);
}
public void Connect()
{
try
{
System.Net.IPHostEntry hostEntry = System.Net.Dns.GetHostEntry(this.TimeServer);
System.Net.IPEndPoint endPoint = new System.Net.IPEndPoint(hostEntry.AddressList[0], 123);
System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
udpClient.Client.ReceiveTimeout = 3000;
udpClient.Client.SendTimeout = 3000;
udpClient.Connect(endPoint);
this.Initialize();
udpClient.Send(this.NTPData, this.NTPData.Length);
this.NTPData = udpClient.Receive(ref endPoint);
this.ReceptionTimestamp = System.DateTime.Now;
if (!this.IsResponseValid())
{
throw new System.Exception("Invalid response from " + this.TimeServer);
}
}
catch (System.Net.Sockets.SocketException ex)
{
Log.WriteError("NTPʱ¼ä»ñȡʧ°Ü£º" + ¡¡ex.Message);
throw new System.Exception(ex.Message);
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
/*验证是否登陆了系统*/
if (Session["User_Row"] != "Admin")
{
Response.Write("<script>top.location.href='../404.html';</script>");
return;
}
Sever_Name.Text = System.Net.Dns.GetHostName();//获取服务端计算机名称
System.Net.IPAddress clientIP = System.Net.IPAddress.Parse(Request.UserHostAddress);
System.Net.IPHostEntry ihe = System.Net.Dns.GetHostEntry(clientIP);
Label_Name.Text = ihe.HostName;//获取客户端主机名称
HttpRequest request = HttpContext.Current.Request;
string result = request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
{
result = Request.ServerVariables.Get("Local_Addr").ToString();
}
if (string.IsNullOrEmpty(result))
{
result = request.UserHostAddress;
}
if (string.IsNullOrEmpty(result))
{
result = "0.0.0.0";
}
Sever_Ip.Text = Request.ServerVariables.Get("Local_Addr").ToString();
Sever_YuMing.Text = Request.ServerVariables["SERVER_NAME"].ToString();
Sever_Lan.Text = Request.ServerVariables["HTTP_ACCEPT_LANGUAGE"].ToString();
Sever_DuanKou.Text = Request.ServerVariables["SERVER_PORT"].ToString();
Sever_IIS.Text = Request.ServerVariables["SERVER_SOFTWARE"].ToString();
Sever_System.Text = HttpContext.Current.Request.ServerVariables["HTTP_USER_AGENT"].ToString();
Sever_Src.Text = Request.ServerVariables["PATH_TRANSLATED"].ToString();
Sever_Cpu.Text = Environment.GetEnvironmentVariable("NUMBER_OF_PROCESSORS");
Sever_CpuClass.Text = Environment.GetEnvironmentVariable("PROCESSOR_IDENTIFIER");
//Sever_Time.Text = GetAspNetCpu();
//Sever_Timee.Text = "";
}
//统计人数
SqlConnection con = new SqlConnection(ConfigurationSettings.AppSettings["connectionstring"].ToString());
con.Open();
SqlCommand com = new SqlCommand();
com.Connection = con;
string Tsql = "select count(*) from Student";
SqlCommand cmd = new SqlCommand(Tsql, con);
Label3.Text = cmd.ExecuteScalar().ToString();
string Tsql2 = "select count(*) from Teacher";
SqlCommand cmd2 = new SqlCommand(Tsql2, con);
Label1.Text = cmd2.ExecuteScalar().ToString();
}
Connection Connect(int _port)
{
// Set default parameters for the connection
int port = _port;
IPAddress address = null;
// Connect to the server on localhost:port
/*do
* {
* Console.Write("Please enter an IP address to connect to: ");
* userInput = Console.ReadLine();
* } while (!IPAddress.TryParse(userInput, out address));
*/
#region Connection to server
System.Net.IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
address = ipHostInfo.AddressList[0];
IPEndPoint localEndPoint = new IPEndPoint(address, port);
Socket sender = new Socket(address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
sender.Connect(localEndPoint);
#endregion
// Connection should handle all of the reading, writing, and processing of a message thread
// no connection manager for this program as we are generating the connection here
Connection connection = new Connection(sender, manager, manager.ProcessClient);
// When we create threads there are multiple ways to do so
// you have already seen asynchrnous methods, this is an alternative
Thread clientThread = new Thread(new ThreadStart(connection.Start));
clientThread.Start();
return(connection);
}
private static string GetIpByHostName(string hostName)
{
hostName = hostName.Trim();
if (hostName == string.Empty)
{
return(string.Empty);
}
try
{
string IPAddress = string.Empty;
System.Net.IPHostEntry host = System.Net.Dns.GetHostEntry(hostName);
foreach (System.Net.IPAddress ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
IPAddress = ip.ToString();
break;
}
}
return(IPAddress);
}
catch (Exception)
{
return(string.Empty);
}
}
bool ValidateHostInfo(RemoteHosts h)
{
try
{
// 1. is the supplied IR address a valid IP address or is it a host name?
System.Net.IPAddress remoteIPAddress = null;
if (!System.Net.IPAddress.TryParse(h.hostIPstr, out remoteIPAddress))
{
// if it was not a valid ip address, perhaps it was a host name instead
System.Net.IPHostEntry GetIPHost = System.Net.Dns.GetHostEntry(h.hostIPstr);
h.hostIP = GetIPHost.AddressList[0];
}
else
{
h.hostIP = System.Net.IPAddress.Parse(h.hostIPstr);
}
// 2. is the supplied host IP reachable via ping?
h.MessageEventGenerators.OnStatusChange += OnHostsStatusChange;
h.MessageEventGenerators.OnGetHostName += OnHostsRxHostName;
h.MessageEventGenerators.OnRxValidAdminPassword += OnValidPassword;
h.MessageEventGenerators.OnRxValidViewerPassword += OnValidPassword;
h.StartValidation();
// h.StartValidation(OnHostsStatusChange, OnHostsRxHostName);
}
catch (Exception ex)
{
m_Log.Log("ValidateHostInfo ex: " + ex.Message, ErrorLog.LOG_TYPE.INFORMATIONAL);
}
return(true);
}
/// <summary>
/// When new connections from NetworkTraceListeners are accepted the method adds
/// the new client to the connected client listview.
/// </summary>
/// <param name="sender">Sender of the message should be a NetworkAdapter</param>
/// <param name="e">Parameters for the event. Containing the accepted connection</param>
/// <remarks>
/// Marshals the call to the gui thread an then adds the new client to the
/// connectedclient listbox.
/// </remarks>
void Adapter_ConnectionAccepted(
object sender,
ESolutions.Net.ConnectionAcceptedEventArgs e)
{
if (InvokeRequired)
{
Delegate thisMethod = new ConnectionAcceptedEventHandler(Adapter_ConnectionAccepted);
Invoke(thisMethod, new object[] { sender, e });
}
else
{
System.Net.IPHostEntry entry = System.Net.Dns.GetHostEntry(
e.Connection.FarEndPoint.Address);
String[] itemStrings = new String[] {
entry.HostName,
e.Connection.FarEndPoint.ToString(),
DateTime.Now.ToShortDateString() + " - " + DateTime.Now.ToLongTimeString()
};
ListViewItem newItem = new ListViewItem(
itemStrings);
newItem.Tag = e.Connection;
this.connectedClientsListView.Items.Add(newItem);
}
}
void GetLocalHost (SimpleResolverEventArgs args)
{
//FIXME
IPHostEntry entry = new IPHostEntry ();
entry.HostName = "localhost";
entry.AddressList = new IPAddress [] { IPAddress.Loopback };
entry.Aliases = EmptyStrings;
args.ResolverError = 0;
args.HostEntry = entry;
return;
/*
List<IPEndPoint> eps = new List<IPEndPoint> ();
foreach (NetworkInterface iface in NetworkInterface.GetAllNetworkInterfaces ()) {
if (NetworkInterfaceType.Loopback == iface.NetworkInterfaceType)
continue;
foreach (IPAddress addr in iface.GetIPProperties ().DnsAddresses) {
if (AddressFamily.InterNetworkV6 == addr.AddressFamily)
continue;
IPEndPoint ep = new IPEndPoint (addr, 53);
if (eps.Contains (ep))
continue;
eps.Add (ep);
}
}
endpoints = eps.ToArray ();
*/
}
internal IPEndPoint GetHostEndPoint()
{
lock (this)
{
if (_host == null || ServicePointManager.DnsRefreshTimeout >= 0 && (DateTime.Now - _lastUpdateTime).TotalMilliseconds > ServicePointManager.DnsRefreshTimeout)
{
var uriHost = _uri.Host;
if (_uri.HostNameType == UriHostNameType.IPv6 || _uri.HostNameType == UriHostNameType.IPv4)
{
if (_uri.HostNameType == UriHostNameType.IPv6)
{
// Remove square brackets
uriHost = uriHost.Substring(1, uriHost.Length - 2);
}
_host = new IPHostEntry();
_host.AddressList = new IPAddress[] { IPAddress.Parse(uriHost) };
}
else
{
_host = Dns.GetHostEntry(uriHost);
}
_lastUpdateTime = DateTime.Now;
}
var index = ServicePointManager.EnableDnsRoundRobin ? ((uint)_index++ % _host.AddressList.Length) : _index;
return new IPEndPoint(_host.AddressList[index], _uri.Scheme == Uri.UriSchemeHttps ? (_uri.IsDefaultPort ? 443 : _uri.Port) : _uri.Port);
}
}
public static string NetworkGetNic(string RemoteHostName)
{
try
{
byte[] ab = new byte[6];
int len = ab.Length;
System.Net.IPHostEntry Tempaddr = null;
//Tempaddr = (System.Net.IPHostEntry)Dns.GetHostEntry(RemoteHostName);
Tempaddr = (System.Net.IPHostEntry)Dns.Resolve(RemoteHostName);
//int Address = (int)Tempaddr.AddressList[0].Address;
int Address = (int)Tempaddr.AddressList[0].Address;
int r = SendARP(Address, 0, ab, ref len);
string mac = BitConverter.ToString(ab, 0, 6);
return(mac);
}
catch (Exception)
{
return("");
}
}
private bool downloadNewFile(UpdateType ut, string curVersion, ref bool HasUpdate)
{
try
{
//قابل دسترس است
System.Net.IPHostEntry objIPHE = System.Net.Dns.GetHostEntry("www.nwdic.com");
}
catch (Exception)
{
lblMessage.Text = " امکان بروز رسانی به دلیل عدم اتصال به اینترنت وجود ندارد ...";
txtMessage.Text = string.Empty;
return(false);
}
switch (downloadFile(ut))
{
case ResultUpdate.exit:
resultByInternet = ResultUpdate.exit;
return(false);
case ResultUpdate.uptodate:
return(true);
case ResultUpdate.update:
return(HasDownloaded(ut, curVersion, ref HasUpdate));
case ResultUpdate.fatal:
resultByInternet = ResultUpdate.fatal;
return(false);
}
return(false);
}
private static NameValueCollection getSessionData()
{
NameValueCollection result = new NameValueCollection();
HttpContext ctx = HttpContext.Current;
try
{
result.Add("Caller Info:", "Attempting to determine caller Info");
StringBuilder sb = new StringBuilder();
String strHostName2 = Dns.GetHostName();
Console.WriteLine("Local Machine's Host Name: " + strHostName2);
// Then using host name, get the IP address list..
IPHostEntry ipEntry = Dns.GetHostByName(strHostName2);
IPAddress[] addr = ipEntry.AddressList;
string ip = addr[0].ToString();
result.Add("Request.UserHostAddress", ip);
if (ip.Substring(0, 4) == "10.0")
{
System.Net.IPHostEntry host = null;
String strHostName = Dns.GetHostName();
host = Dns.GetHostEntry(strHostName);
string strComputerName = host.HostName;
result.Add("MachineName", strComputerName);
}
}
catch (Exception ex)
{
}
return(result);
}
/// <summary>
/// Creates a proxy server from the server in the given connection string using the default construction parameters and starts the proxy
/// </summary>
/// <param name="connectionString">Connection string to the server to proxy</param>
/// <param name="newConnectionString">Connection string to the proxy server (using the same parameters as <paramref name="connectionString"/>)</param>
/// <returns>The created and started proxy server</returns>
public static ProxyServer CreateAndStartProxy(string connectionString, out string newConnectionString)
{
// Build builders
SqlConnectionStringBuilder connStringbuilder = new SqlConnectionStringBuilder(connectionString);
DataSourceBuilder dataSourceBuilder = new DataSourceBuilder(connStringbuilder.DataSource);
// Setup proxy
Task <System.Net.IPHostEntry> ipEntryTask = Dns.GetHostEntryAsync(dataSourceBuilder.ServerName);
ipEntryTask.Wait();
System.Net.IPHostEntry serverIpEntry = ipEntryTask.Result;
ProxyServer proxy = new ProxyServer();
proxy.RemoteEndpoint = new IPEndPoint(serverIpEntry.AddressList[0], dataSourceBuilder.Port ?? 1433);
proxy.Start();
// Switch connection over
dataSourceBuilder.Protocol = "tcp";
dataSourceBuilder.ServerName = "127.0.0.1";
dataSourceBuilder.Port = proxy.LocalPort;
connStringbuilder.DataSource = dataSourceBuilder.ToString();
connStringbuilder.Remove("Network Library");
newConnectionString = connStringbuilder.ToString();
return(proxy);
}
/// <summary>
/// Initializes the socket
/// </summary>`
public void init(int offset, string ipAddress)
{
socketType = SocketType.Stream;
protocolType = ProtocolType.Tcp;
//addressFamily = AddressFamily.InterNetwork;
addressFamily = AddressFamily.InterNetwork;
try
{
ipEntry = Dns.GetHostEntry(Dns.GetHostName());
IPAddress[] addr = ipEntry.AddressList;
//endpoint = new IPEndPoint(addr[0], port);
for (int i = 0; i < addr.Length; i++)
{
Console.WriteLine("IP Address {0}: {1} ", i, addr[i].ToString());
}
if (ipAddress == "")
{
address = addr[addr.Length - offset];
}
else
{
address = IPAddress.Parse(ipAddress);
}
Console.WriteLine("Using the Address {0}: {1}", address.ToString(), port);
endpoint = new IPEndPoint(address, port);
}
catch (SocketException ex)
{
System.Console.WriteLine(ex.Message);
}
createSocket();
}
public bool bComprobarFuente()
{
sQuery = "SELECT cod_usr FROM tabm_sgusuario WHERE ipdir_usr = '******' ";
alResultados = csFunciones.alConsultar(sQuery);
if (alResultados.Count == 0)
{
bool bBandera = false;
ipHostName = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in ipHostName.AddressList)
{
sQuery = "SELECT cod_usr FROM tabm_sgusuario WHERE ipdir_usr = \"" + ip.ToString() + "\"";
alResultados = csFunciones.alConsultar(sQuery);
if (alResultados.Count != 0)
{
bBandera = true;
break;
}
else
{
bBandera = false;
}
}
if (bBandera == false) { MessageBox.Show("La dirección del equipo no corresponde con la cuenta", "Hotel San Carlos"); }
return bBandera;
}
else
{
return true;
}
}
public string GetMAC(ref string IP, ref string HttpContext)
{
string MAC = null;
try
{
if (IPAddress.Parse(IP).Equals(IPAddress.Parse("127.0.0.1")))
{
System.Net.IPHostEntry iPHostEntry = Dns.GetHostEntry(HttpContext);//////
IP = iPHostEntry.AddressList[1].ToString();
}
System.Net.IPAddress ipAddress = IPAddress.Parse(IP);
byte[] ab = new byte[6];
int len = ab.Length;
int r = SendARP((int)ipAddress.Address, 0, ab, ref len);
MAC = BitConverter.ToString(ab, 0, 6);
}
catch (Exception)
{
MAC = null;
}
return(MAC);
}
public void StartListening()
{
byte[] bytes = new Byte[BufferSize];
IPHostEntry ipHostInfo = new IPHostEntry();
ipHostInfo.AddressList = new IPAddress[] { _serverIP};
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEndPoint = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
try
{
listener.BeginConnect(remoteEndPoint, new AsyncCallback(ConnectCallback), listener);
connectDone.WaitOne();
// receive data
receiveDone.Reset();
Receive(listener);
receiveDone.WaitOne();
Console.WriteLine("Disconnecting from feed");
listener.Shutdown(SocketShutdown.Both);
listener.Close();
}
catch (Exception e)
{
Console.WriteLine("Feed Error " + e.ToString());
}
}
public static IPAddress GetLocalIPAddress()
{
if (_localIP != null)
{
return(_localIP);
}
string ip = ConfigurationSettings.AppSettings["LocalIP"];
if (ip != null)
{
return(IPAddress.Parse(ip));
}
System.Net.IPHostEntry hostEntry = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName());
if (hostEntry.AddressList != null)
{
foreach (System.Net.IPAddress addr in hostEntry.AddressList)
{
if (addr.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
return(addr);
}
}
}
return(System.Net.IPAddress.Parse("127.0.0.1"));
}
public HostNameCompletedEventArgs( IPAddress ipAddress, IPHostEntry hostEntry )
{
if( ipAddress == null ) throw new NullReferenceException( "ipAddress" );
if( hostEntry == null ) throw new NullReferenceException( "hostEntry" );
_ipAddress = ipAddress;
_hostEntry = hostEntry;
}
private static IPHostEntry hostent_to_IPHostEntry(string h_name, string[] h_aliases, string[] h_addrlist)
{
IPHostEntry he = new IPHostEntry();
ArrayList addrlist = new ArrayList();
he.HostName = h_name;
he.Aliases = h_aliases;
for(int i=0; i<h_addrlist.Length; i++) {
try {
IPAddress newAddress = IPAddress.Parse(h_addrlist[i]);
if( (Socket.SupportsIPv6 && newAddress.AddressFamily == AddressFamily.InterNetworkV6) ||
(Socket.SupportsIPv4 && newAddress.AddressFamily == AddressFamily.InterNetwork) )
addrlist.Add(newAddress);
} catch (ArgumentNullException) {
/* Ignore this, as the
* internal call might have
* left some blank entries at
* the end of the array
*/
}
}
if(addrlist.Count == 0)
throw new SocketException(11001);
he.AddressList = addrlist.ToArray(typeof(IPAddress)) as IPAddress[];
return he;
}
private void StartNewTCPConnection(Uri connection)
{
ConnectionInfo info = new ConnectionInfo();
info.Addr = connection.DnsSafeHost;
info.Port = connection.Port;
System.Net.IPHostEntry hostEntry = System.Net.Dns.GetHostEntry(info.Addr);
System.Net.IPAddress ipAddress = System.Net.Dns.GetHostEntry(hostEntry.HostName).AddressList[0];
IPEndPoint endpoint = new IPEndPoint(ipAddress, info.Port);
foreach (MessageChannelAcceptor acceptor in channelAcceptorList)
{
if (!acceptor.IsClosed && acceptor.LocalEndPoint != null && acceptor.LocalEndPoint.Equals(endpoint))
{
//We are trying to connect to our own acceptor!
return;
}
}
TCPMessageChannel channel = new TCPMessageChannel(info);
if (log.IsDebugEnabled)
{
log.Debug("Connected from " + channel.InternalSocket.LocalEndPoint +
" to " + channel.InternalSocket.RemoteEndPoint);
log.Debug("Timeouts in mls: Receive " + channel.InternalSocket.ReceiveTimeout +
", Send " + channel.InternalSocket.SendTimeout);
}
AddChannel(channel);
}
static void GetLocalHost (SimpleResolverEventArgs args)
{
//FIXME
IPHostEntry entry = new IPHostEntry ();
entry.HostName = "localhost";
entry.Aliases = EmptyStrings;
args.ResolverError = 0;
args.HostEntry = entry;
bool ipv4 = Socket.OSSupportsIPv4;
bool ipv6 = Socket.OSSupportsIPv6;
List<IPAddress> ips = new List<IPAddress> ();
if (ipv4)
ips.Add (IPAddress.Loopback);
if (ipv6)
ips.Add (IPAddress.IPv6Loopback);
foreach (NetworkInterface iface in NetworkInterface.GetAllNetworkInterfaces ()) {
if (NetworkInterfaceType.Loopback == iface.NetworkInterfaceType)
continue;
foreach (UnicastIPAddressInformation info in iface.GetIPProperties ().UnicastAddresses) {
IPAddress addr = info.Address;
AddressFamily family = addr.AddressFamily;
if ((ipv6 && AddressFamily.InterNetworkV6 == family) ||
(ipv4 && AddressFamily.InterNetwork == family)) {
ips.Add (addr);
}
}
}
entry.AddressList = ips.ToArray ();
}
private void SetHostName(IPHostEntry host)
{
if (ListView != null && ListView.InvokeRequired)
ListView.Invoke(new SetHostNameDelegate(SetHostName), host);
else if (host != null && !host.HostName.Equals(SubItems[0].Text))
Hostname = host.HostName;
}
byte[] sendData = new byte[1024]; //用于缓存客户端所发送的信息,通过socket传递的信息必须为字节数组
//程序初始化
public void Init(string IP, int port)
{
//初始化命令字符串
returnStr = "";
receiveStr = "";
//获取IP
string hostName = System.Net.Dns.GetHostName();
System.Net.IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(hostName);
//ip地址列表
System.Net.IPAddress[] addr = ipEntry.AddressList;
//建立服务器端socket
IPEndPoint ipep = new IPEndPoint(/*addr[0]*/ IPAddress.Parse(IP), port);//本机预使用的IP和端口
severSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
severSocket.Bind(ipep); //绑定
severSocket.Listen(10); //监听
//建立服务器端socket end
//新建线程
thread = new Thread(new ThreadStart(GoClient));
//启动线程
thread.Start();
}
/// <summary>
/// The adapter received a package from a NetworkTraceListener.
/// </summary>
/// <param name="sender">Adapter sending the event.</param>
/// <param name="e">Parameters for this event including the connection that was used for transmission.</param>
/// <remarks>
/// The call is marshaled to the gui thread and then adds the message to the message window.
/// </remarks>
void Adapter_PackageReceived(
object sender,
ESolutions.Net.PackageReceivedEventArgs e)
{
if (InvokeRequired)
{
Invoke(new ESolutions.Net.PackageReceivedEventHandler(Adapter_PackageReceived), new object[] { sender, e });
}
else
{
System.Net.IPHostEntry entry = System.Net.Dns.GetHostEntry(
e.Connection.FarEndPoint.Address);
String[] values = new String[] {
e.Package.Payload,
entry.HostName,
e.Connection.FarEndPoint.ToString(),
DateTime.Now.ToShortDateString() + " - " + DateTime.Now.ToLongTimeString()
};
ListViewItem newItem = new ListViewItem(values);
messagesListView.Items.Insert(
0,
newItem);
}
}
/// <summary>
/// SendArp获取MAC地址
/// </summary>
/// <returns></returns>
public string GetMacAddressBySendARP()
{
StringBuilder strReturn = new StringBuilder();
try
{
System.Net.IPHostEntry Tempaddr = (System.Net.IPHostEntry)Dns.GetHostByName(Dns.GetHostName());
System.Net.IPAddress[] TempAd = Tempaddr.AddressList;
Int32 remote = (int)TempAd[0].Address;
Int64 macinfo = new Int64();
Int32 length = 6;
SendARP(remote, 0, ref macinfo, ref length);
string temp = System.Convert.ToString(macinfo, 16).PadLeft(12, '0').ToUpper();
int x = 12;
for (int i = 0; i < 6; i++)
{
if (i == 5) { strReturn.Append(temp.Substring(x - 2, 2)); }
else { strReturn.Append(temp.Substring(x - 2, 2) + "-"); }
x -= 2;
}
return strReturn.ToString();
}
catch
{
return "";
}
}
private IPEndPoint GetEndPoint(string address, int port)
{
var host = new IPHostEntry();
host.HostName = address;
var ipAddress = Dns.GetHostAddresses(address).First();
return new IPEndPoint(ipAddress, port);
}
public static string getIp()
{
System.Net.IPHostEntry myEntry = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName());
string ipAddress = myEntry.AddressList[0].ToString();
return(ipAddress);
}
public SocketClient(int _port, int _bufferSize)
{
port = _port;
bufferSize = _bufferSize;
ipHostInfo = Dns.Resolve(Dns.GetHostName());
address = ipHostInfo.AddressList[0];
remoteEnpoint = new IPEndPoint(address, port);
}
//end event-------------------------------------
public SocketClient(string _host, int _port, int _bufferSize)
{
host = _host;
port = _port;
bufferSize = _bufferSize;
ipHostInfo = Dns.Resolve(host);
address = ipHostInfo.AddressList[0];
remoteEnpoint = new IPEndPoint(address, port);
}
public ArrayList alBuscarUsuarios()
{
ipHostName = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in ipHostName.AddressList)
{
alResultados = D_Inicio.alBuscarUsuarios();
}
return alResultados;
}
internal NetworkDictionaryItem( IPAddress ipAddress, PingReply pingReply, PhysicalAddress macAddress, IPHostEntry hostEntry, IOS os )
{
_ipAddress = ipAddress;
_pingReply = pingReply;
_macAddress = macAddress;
_hostEntry = hostEntry;
_os = os;
_ports = new ConcurrentDictionary<ushort,ushort>();
}
public Socket(Config config)
{
this.host = config.Host;
this.port = config.Port;
this.backlog = config.Backlog;
host_entry = Dns.GetHostEntry(host);
ip_address = host_entry.AddressList[0];
end_point = new IPEndPoint(ip_address, port);
}
public IPHostEntry Lookup(string address)
{
IPHostEntry hostEntry = new IPHostEntry();
try {
IPAddress hostIPAddress = IPAddress.Parse(address);
hostEntry = Dns.GetHostEntry(hostIPAddress);
} catch { }
return hostEntry;
}
/// <summary>
/// Contructor init server's info, Host name is Server's address (default)
/// </summary>
/// <param name="_port">Port of app server</param>
/// <param name="_bufferSize">Size of buffer send, receive</param>
/// <param name="_backlog">Number pending connection queue</param>
public SocketServer(int _port, int _buffeerSize, int _backlog)
{
backlog = _backlog;
port = _port;
bufferSize = _buffeerSize;
ipHostInfo = Dns.Resolve(Dns.GetHostName());
ipAddress = ipHostInfo.AddressList[0];
localEndPoint = new IPEndPoint(ipAddress, port);
}
private IPHostEntry GetHostEntry(string hostname) {
IPAddress address;
if (IPAddress.TryParse(hostname, out address)) {
IPHostEntry entry = new IPHostEntry();
entry.AddressList = new IPAddress[] { address };
return entry;
}
return Dns.GetHostEntry(hostname);
}
public AsynchronousTcpSocket()
{
_localHostEntry = Dns.GetHostEntry(Dns.GetHostName());
_localIpAddress = _localHostEntry.AddressList[0];
_localEndpoint = new IPEndPoint(_localIpAddress, Defaults.TCP_PORT);
_socket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
}
public void Startscan(Object state)
{
string ip = state.ToString();
int list = 0;
threadnum++;
if (endscan == false)
{
try
{
IPHostEntry HostA = new IPHostEntry();
HostA = Dns.Resolve(ip);
string ipt = HostA.HostName.ToString();
TcpClient tcp = new TcpClient();
tcp.Connect(ipt, int.Parse(textBox2.Text));
//list = portlist.Items.Add(port.ToString() + "端口开放" ,false);
MyInvoke mi = new MyInvoke(UpdateUIport);
this.BeginInvoke(mi, new object[] { ip + "开放" });
list = list + 1;
}
catch
{
//portlist1.Items.Add(port.ToString() + "端口无法连接");
MyInvoke mi = new MyInvoke(UpdateUI);
this.BeginInvoke(mi, new object[] { ip + "无法连接" });
}
finally
{
Thread.Sleep(0);
//loglist.Items.Add("结束线程" + port.ToString());
//委托调用
MyInvoke mi = new MyInvoke(UpdateUI2);
this.BeginInvoke(mi, new object[] { "结束线程" +ip });
asyncOpsAreDone.Close();
// label5.Text = portnum.ToString();
MyInvoke mi3 = new MyInvoke(UpdateUI3);
this.BeginInvoke(mi3, new object[] { list.ToString()});
}
}
if (endscan == true || ip==textBox1.Text)
{
// button1.Enabled = true;
// button2.Enabled = false;
asyncOpsAreDone.Close();
MyInvoke mi4 = new MyInvoke(UpdateUI4);
this.BeginInvoke(mi4, new object[] { "344" });
}
}
//public event
//end event------------------------
/// <summary>
/// Contructor init server's info
/// </summary>
/// <param name="_host">Host name or Ip adress</param>
/// <param name="_port">Port of app server</param>
/// <param name="_bufferSize">Size of buffer send, receive</param>
/// <param name="_backlog">Number pending connection queue</param>
public SocketServer(string _host, int _port, int _bufferSize, int _backlog)
{
backlog = _backlog;
host = _host;
port = _port;
bufferSize = _bufferSize;
ipHostInfo = Dns.Resolve(host);
ipAddress = ipHostInfo.AddressList[0];
localEndPoint = new IPEndPoint(ipAddress, port);
}
private void btnStart_Click_1(object sender, RoutedEventArgs e)
{
ipHost = Dns.GetHostEntry("localhost");
ipAddr = ipHost.AddressList[0];
ipEndPoint = new IPEndPoint(ipAddr, Convert.ToInt32(tbxPort.Text));
sender_1 = new Socket(ipAddr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
bytes = new byte[1024];
sender_1.Connect(ipEndPoint);
}
private void SetHost(IPHostEntry hostEntry)
{
_host =
hostEntry.AddressList == null || hostEntry.AddressList.FirstOrDefault() == null ?
string.IsNullOrEmpty(hostEntry.HostName) ?
hostEntry.Aliases == null || string.IsNullOrEmpty(hostEntry.Aliases.FirstOrDefault()) ?
null : hostEntry.Aliases.FirstOrDefault()
: hostEntry.HostName
: hostEntry.AddressList.FirstOrDefault().MapToIPv6().ToString();
}
public static string GetIPString(IPHostEntry iphostentry)
{
string IPString = "";
string Divider = "";
foreach (IPAddress IP in iphostentry.AddressList)
{
IPString += Divider + IP.ToString();
Divider = ", ";
}
return IPString;
}