private void button1_Click(object sender, System.EventArgs e)
{
string strHostToPing = "";
bool bLoop = false;
bool bAddressResolve = false;
int iBytes = 32;
uint lngCount = 3;
uint lngTimeout = 1000;// for(int c=0;c<=2;c++)
// {
//Do the ping
StreamReader sr = new StreamReader(
(System.IO.Stream)File.OpenRead("d:\\ip.txt"),
System.Text.Encoding.Default);
ArrayList arr = new ArrayList();
while(sr.Peek() > -1)
{
arr.Add(sr.ReadLine()); //加入数组
}
// MessageBox.Show(arr.Count.ToString());
ArrayList arrs = new ArrayList();
for (int i=0;i<arr.Count;i++)
{
arrs.Clear ();
bj=false;
arrs.AddRange (arr[i].ToString().Split(','));
for( int k = 0;k< arrs.Count ;k++)
{
if(bj == false)
{
listBox1.Items.Add( arrs[k].ToString () );
listBox1.Refresh();
PingHost(arrs[k].ToString(), iBytes, lngCount, lngTimeout );
listBox1.Refresh();
}
else
{
break;
}
}
if(bj == false)
{
show2(arrs[0].ToString ());
listBox2.Refresh (); }
}
}
void show(string str)
{ int i = listBox1.Items.Add(str);
listBox1.SetSelected(i, true); } void show2(string str2)
{
int j = listBox2.Items.Add(str2);
listBox2.SetSelected (j,true);
}
{
string strHostToPing = "";
bool bLoop = false;
bool bAddressResolve = false;
int iBytes = 32;
uint lngCount = 3;
uint lngTimeout = 1000;// for(int c=0;c<=2;c++)
// {
//Do the ping
StreamReader sr = new StreamReader(
(System.IO.Stream)File.OpenRead("d:\\ip.txt"),
System.Text.Encoding.Default);
ArrayList arr = new ArrayList();
while(sr.Peek() > -1)
{
arr.Add(sr.ReadLine()); //加入数组
}
// MessageBox.Show(arr.Count.ToString());
ArrayList arrs = new ArrayList();
for (int i=0;i<arr.Count;i++)
{
arrs.Clear ();
bj=false;
arrs.AddRange (arr[i].ToString().Split(','));
for( int k = 0;k< arrs.Count ;k++)
{
if(bj == false)
{
listBox1.Items.Add( arrs[k].ToString () );
listBox1.Refresh();
PingHost(arrs[k].ToString(), iBytes, lngCount, lngTimeout );
listBox1.Refresh();
}
else
{
break;
}
}
if(bj == false)
{
show2(arrs[0].ToString ());
listBox2.Refresh (); }
}
}
void show(string str)
{ int i = listBox1.Items.Add(str);
listBox1.SetSelected(i, true); } void show2(string str2)
{
int j = listBox2.Items.Add(str2);
listBox2.SetSelected (j,true);
}
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{
const int MAX_PACKET_SIZE = 65535;
//Declare the IPHostEntry
IPHostEntry PingTarget, PingSource;
int iBytesReceived = 0;
int dwStart = 0, dwStop = 0;
uint iLoop = 0;
bool bContinuous = false; // Get the server endpoint
try
{
PingTarget = Dns.GetHostByName(strPingHost);
}
catch(Exception)
{
listBox1.ForeColor = System.Drawing.Color.Red ;
listBox1.Items.Add("Unkown host "+ strPingHost +"");
show( "Unkown host "+ strPingHost +" "); // fail
return;
} // Convert the server IP_EndPoint to an EndPoint
IPEndPoint ipepServer = new IPEndPoint(PingTarget.AddressList[0],0);
EndPoint epServer = (ipepServer); // Set the receiving endpoint to the client machine
PingSource = Dns.GetHostByName(Dns.GetHostName());
IPEndPoint ipEndPointFrom = new IPEndPoint(PingSource.AddressList[0],0);
EndPoint EndPointFrom = (ipEndPointFrom); int iPacketSize = 0;
IcmpPacket PingPacket = new IcmpPacket();
// Construct the packet to send
PingPacket.Type = ICMP_ECHO; //8
PingPacket.SubCode = 0;
PingPacket.CheckSum = UInt16.Parse("0");
PingPacket.Identifier = UInt16.Parse("45");
PingPacket.SequenceNumber = UInt16.Parse("0");
PingPacket.Data = new Byte[iPingBytes];
//Initialize the Packet.Data
for (int iCount = 0; iCount < iPingBytes; iCount++)
{
PingPacket.Data[iCount] = (byte)'#';
} //Variable to hold the total Packet size
iPacketSize = iPingBytes + 8;
byte [] bytPktBuffer = new byte[iPacketSize];
int iResult = 0; //Call a Method Serialize which counts
//The total number of Bytes in the Packet
iResult = Serialize(PingPacket, bytPktBuffer, iPacketSize, iPingBytes ); //Error in Packet Size
if( iResult == -1 )
{
show( "Error in Making Packet");
return;
} /* now get this critter into a ushort array */
ushort [] cksum_buffer = new ushort[Convert.ToInt32( Math.Ceiling( Convert.ToDouble(iResult) / 2))];
//Code to initialize the ushort array
int icmp_header_buffer_index = 0;
for( int iCount = 0; iCount < cksum_buffer.Length; iCount++ )
{
cksum_buffer[iCount] = BitConverter.ToUInt16(bytPktBuffer, icmp_header_buffer_index);
icmp_header_buffer_index += 2;
}
//Call a method which will return a checksum
//Save the checksum to the Packet
PingPacket.CheckSum = CheckSum(cksum_buffer); // Now that we have the checksum, serialize the packet again
byte [] byteSendBuffer = new byte[ iPacketSize ];
//again check the PingPacket size
iResult = Serialize(PingPacket, byteSendBuffer, iPacketSize, iPingBytes );
//if there is a error report it
if( iResult == -1 )
{
show("Error in Making Packet");
return;
} //listBox1.Items.add( "Pinging "+ strPingHost +" [" + ipepServer.Address.ToString() + "] with "+ iPingBytes +" bytes of data:\n" );
//check for continuous
if (lngPingCount == 0) bContinuous = true; //Loop the ping
long lngPacketsSent = 0, lngPacketsReceived = 0, lngTotalTransmitTime = 0;
int iMinTransmitTime = int.MaxValue, iMaxTransmitTime = int.MinValue;
do
{
bool bReceived = false; //Initialize a Socket of the Type ICMP
Socket PingSocket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.Icmp);
//Set socket timeout, but this doesn't seem to work...
PingSocket.SetSocketOption( SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, (int) lngPingTimeout);
PingSocket.SetSocketOption( SocketOptionLevel.Socket, SocketOptionName.SendTimeout, (int) lngPingTimeout);
// Initialize the buffers. The receive buffer is the size of the
// ICMP header plus the IP header (20 bytes)
byte [] ReceiveBuffer = new byte [MAX_PACKET_SIZE]; dwStart = System.Environment.TickCount; // Start timing
//Gather stats
lngPacketsSent ++;
//send the Pack over the socket
iResult = PingSocket.SendTo(byteSendBuffer, iPacketSize, SocketFlags.None , epServer);
if ((iResult) == SOCKET_ERROR)
{
Console.WriteLine("Socket Error cannot Send Packet");
}
//Receive the bytes
iBytesReceived = 0;
//loop while waiting checking the time of the server responding
while(!bReceived)
{
try
{
iBytesReceived = PingSocket.ReceiveFrom(ReceiveBuffer, MAX_PACKET_SIZE, SocketFlags.None, ref EndPointFrom);
}
catch //(Exception e)
{
//Console.WriteLine ("Request timed out. \n{0}", e.Message);
//listBox1.ForeColor = System.Drawing.Color.Red ;
listBox1.Refresh();
show( "Request timed out." );
listBox1.Refresh();
bReceived = false;
break;
}
// if(iBytesReceived == 0)
// {
// show("error!");
// }
if (iBytesReceived == SOCKET_ERROR)
{
show("Host not Responding") ;
bReceived = false;
break;
}
else if (iBytesReceived > 0)
{
bReceived = true;
dwStop = System.Environment.TickCount - dwStart; // stop timing //Check for timeout
if ( dwStop > lngPingTimeout)
{
show("Request timed out.");
bReceived = false;
System.Threading.Thread.Sleep(System.TimeSpan.FromMilliseconds(1000));
break;
}
if (dwStop < 10)
{
show( "Reply from "+ ipepServer.Address.ToString() +": bytes: "+ Convert.ToString(iBytesReceived - 28) +" time:<10ms" );
bj=true;
listBox1.Refresh ();
}
else
{
show( "Reply from "+ ipepServer.Address.ToString() +": bytes: "+ Convert.ToString(iBytesReceived - 28) +" time: "+ dwStop +"ms" );
listBox1.Refresh ();
bj=true;
}
break;
}
}//while //Gather stats
if (bReceived)
{
lngPacketsReceived++;
lngTotalTransmitTime += dwStop;
if (dwStop > iMaxTransmitTime) iMaxTransmitTime = dwStop;
if (dwStop < iMinTransmitTime) iMinTransmitTime = dwStop;
}
iLoop++; if (bReceived &
(bContinuous | (iLoop < lngPingCount))) //not last ping
{
System.Threading.Thread.Sleep(System.TimeSpan.FromMilliseconds(1000));
}
//close the socket
PingSocket.Shutdown(SocketShutdown.Both);
PingSocket.Close();
} while (bContinuous | (iLoop < lngPingCount)); //Do
//Report stats
Console.WriteLine("\nPing statistics for {0}", ipepServer.Address.ToString());
if (lngPacketsSent == 0)
{
// Console.WriteLine(" Packets: Sent = {0}, Received = {1}, Lost = {2} ({3}% loss),", lngPacketsSent, lngPacketsReceived, lngPacketsSent-lngPacketsReceived, 0 );
}
else
{
// Console.WriteLine(" Packets: Sent = {0}, Received = {1}, Lost = {2} ({3}% loss),", lngPacketsSent, lngPacketsReceived, lngPacketsSent-lngPacketsReceived, ((double) (lngPacketsSent-lngPacketsReceived)/lngPacketsSent)* 100 );
}
Console.WriteLine("Approximate round trip times in milli-seconds:");
if (lngPacketsReceived == 0)
{
// Console.WriteLine(" Minimum = {0}ms, Maximum = {1}ms, Average = {2}ms", 0, 0, 0 );
}
else
{
// Console.WriteLine(" Minimum = {0}ms, Maximum = {1}ms, Average = {2}ms", iMinTransmitTime, iMaxTransmitTime,(int) ((double) (lngTotalTransmitTime/lngPacketsReceived)) );
}
return;
}
{
int cbReturn = 0;
// serialize the struct into the array
int iIndex = 0; byte [] b_type = new byte[1];
b_type[0] = ThisPacket.Type; byte [] b_code = new byte[1];
b_code[0] = ThisPacket.SubCode; byte [] b_cksum = BitConverter.GetBytes(ThisPacket.CheckSum);
byte [] b_id = BitConverter.GetBytes(ThisPacket.Identifier);
byte [] b_seq = BitConverter.GetBytes(ThisPacket.SequenceNumber); // Console.WriteLine("Serialize type ");
Array.Copy( b_type, 0, Buffer, iIndex, b_type.Length );
iIndex += b_type.Length; // Console.WriteLine("Serialize code ");
Array.Copy( b_code, 0, Buffer, iIndex, b_code.Length );
iIndex += b_code.Length; // Console.WriteLine("Serialize cksum ");
Array.Copy( b_cksum, 0, Buffer, iIndex, b_cksum.Length );
iIndex += b_cksum.Length; // Console.WriteLine("Serialize id ");
Array.Copy( b_id, 0, Buffer, iIndex, b_id.Length );
iIndex += b_id.Length; Array.Copy( b_seq, 0, Buffer, iIndex, b_seq.Length );
iIndex += b_seq.Length; // copy the data
Array.Copy( ThisPacket.Data, 0, Buffer, iIndex, PingData );
iIndex += PingData;
if( iIndex != PacketSize/* sizeof(IcmpPacket) */)
{
cbReturn = -1;
return cbReturn;
} cbReturn = iIndex;
return cbReturn;
}
public static ushort CheckSum( ushort[] BufferToChecksum )
{
int iCheckSum = 0; for (uint iCount = 0; iCount < BufferToChecksum.Length; iCount++)
{
iCheckSum += Convert.ToInt32( BufferToChecksum[iCount] );
} iCheckSum = (iCheckSum >> 16) + (iCheckSum & 0xffff);
iCheckSum += (iCheckSum >> 16);
return (ushort)(~iCheckSum);
} private void button2_Click(object sender, System.EventArgs e)
{
Application.Exit();
} private void button3_Click(object sender, System.EventArgs e)
{
PingHost("134.41.119.2",32,6,100);
} private void Form1_Load(object sender, System.EventArgs e)
{
} public class IcmpPacket
{
public byte Type; // type of message
public byte SubCode; // type of sub code
public ushort CheckSum; // ones complement checksum of struct
public ushort Identifier; // identifier
public ushort SequenceNumber; // sequence number
public byte[] Data; // byte array of data } }
}
供楼主参考
//调用ping命令,检测网络的连接状态
public string Ping()
{
Process p = new Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardInput = true;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.RedirectStandardError = true;
p.StartInfo.CreateNoWindow = true;
string pingrst = String.Empty;
try
{
p.Start();
p.StandardInput.WriteLine("ping -n 5 192.192.132.229");
p.StandardInput.WriteLine("exit");
string strRst = p.StandardOutput.ReadToEnd();
if(strRst.IndexOf("(0% loss)")!=-1)
{
pingrst = "连接";
}
else
{
pingrst = "断开";
}
p.WaitForExit();
p.Close();
}
catch
{
pingrst = "ping -n 3 "+ips[0] +"出错!";
}
return pingrst;
}
//调用ping命令,检测网络的连接状态
public string Ping(string ip)
{
Process p = new Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardInput = true;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.RedirectStandardError = true;
p.StartInfo.CreateNoWindow = true;
string pingrst = String.Empty;
try
{
p.Start();
p.StandardInput.WriteLine("ping -n 5 "+ip);
p.StandardInput.WriteLine("exit");
string strRst = p.StandardOutput.ReadToEnd();
if(strRst.IndexOf("(0% loss)")!=-1)
{
pingrst = "连接";
}
else
{
pingrst = "断开";
}
p.WaitForExit();
p.Close();
}
catch
{
pingrst = "ping -n 5 "+ip +"出错!";
}
return pingrst;
}
using System;
using System.Net;
using System.Net.Sockets;namespace NetWorkPing
{
/// <summary>
/// Ping 的摘要说明。
/// </summary>
public class Ping
{
//声明几个常量
const int SOCKET_ERROR = -1;
const int ICMP_ECHO = 8;
/// <summary>
/// 这里取得Hostname参数
/// </summary>
public static void Main(string[] argv)
{
if(argv.Length==0)
{
//If user did not enter any Parameter inform him
Console.WriteLine("Usage:Ping <hostname> /r") ;
Console.WriteLine("<hostname> The name of the Host who you want to ping");
Console.WriteLine("/r Ping the host continuously") ;
}
else if(argv.Length==1)
{
//Just the hostname provided by the user
//call the method "PingHost" and pass the HostName as a parameter
PingHost(argv[0]) ;
}
else if(argv.Length==2)
{
//the user provided the hostname and the switch
if(argv[1]=="/r")
{
//loop the ping program
while(true)
{
//call the method "PingHost" and pass the HostName as a parameter
PingHost(argv[0]) ;
}
}
else
{
//if the user provided some other switch
PingHost(argv[0]) ;
}
}
else
{
//Some error occurred
Console.WriteLine("Error in Arguments") ;
}
} /// <summary>
/// 主要的方法,用来取得IP,
/// 并计算响应时间
/// </summary>
public static void PingHost(string host)
{
//Declare the IPHostEntry
IPHostEntry serverHE, fromHE;
int nBytes = 0;
int dwStart = 0, dwStop = 0;
//Initilize a Socket of the Type ICMP
//Socket socket = new Socket(AddressFamily.AfINet, SocketType.SockRaw, ProtocolType.ProtICMP);
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.Icmp);
// Get the server endpoint
try
{
serverHE = DNS.GetHostByName(host);
}
catch(Exception)
{
Console.WriteLine("Host not found"); // fail
return ;
} // Convert the server IP_EndPoint to an EndPoint
IPEndPoint ipepServer = new IPEndPoint(serverHE.AddressList[0], 0);
EndPoint epServer = (ipepServer); // Set the receiving endpoint to the client machine
fromHE = DNS.GetHostByName(DNS.GetHostName());
IPEndPoint ipEndPointFrom = new IPEndPoint(fromHE.AddressList[0], 0);
EndPoint EndPointFrom = (ipEndPointFrom); int PacketSize = 0;
IcmpPacket packet = new IcmpPacket();
// Construct the packet to send
packet.Type = ICMP_ECHO; //8
packet.SubCode = 0;
packet.CheckSum = UInt16.Parse("0");
packet.Identifier = UInt16.Parse("45");
packet.SequenceNumber = UInt16.Parse("0");
int PingData = 32; // sizeof(IcmpPacket) - 8;
packet.Data = new Byte[PingData];
//Initilize the Packet.Data
for (int i = 0; i < PingData; i++)
{
packet.Data[i] = (byte)'#';
} //Variable to hold the total Packet size
PacketSize = PingData + 8;
Byte [] icmp_pkt_buffer = new Byte[ PacketSize ];
Int32 Index = 0;
//Call a Method Serialize which counts
//The total number of Bytes in the Packet
Index = Serialize(packet,icmp_pkt_buffer,PacketSize,PingData);
//Error in Packet Size
if( Index == -1 )
{
Console.WriteLine("Error in Making Packet");
return ;
} // now get this critter into a UInt16 array //Get the Half size of the Packet
Double double_length = Convert.ToDouble(Index);
Double dtemp = Math.Ceil( double_length / 2);
int cksum_buffer_length = Convert.ToInt32(dtemp);
//Create a Byte Array
UInt16 [] cksum_buffer = new UInt16[cksum_buffer_length];
//Code to initialize the Uint16 array
int icmp_header_buffer_index = 0;
for( int i = 0; i < cksum_buffer_length; i++ )
{
cksum_buffer[i] =
BitConverter.ToUInt16(icmp_pkt_buffer,icmp_header_buffer_index);
icmp_header_buffer_index += 2;
}
//Call a method which will return a checksum
UInt16 u_cksum = checksum(cksum_buffer, cksum_buffer_length);
//Save the checksum to the Packet
packet.CheckSum = u_cksum; // Now that we have the checksum, serialize the packet again
Byte [] sendbuf = new Byte[ PacketSize ];
//again check the packet size
Index = Serialize(
packet,
sendbuf,
PacketSize,
PingData );
//if there is a error report it
if( Index == -1 )
{
Console.WriteLine("Error in Making Packet");
return ;
}
dwStart = System.Environment.TickCount; // Start timing
//send the Pack over the socket
if ((nBytes = socket.SendTo(sendbuf, PacketSize, 0, epServer)) == SOCKET_ERROR)
{
Console.WriteLine("Socket Error cannot Send Packet");
}
// Initialize the buffers. The receive buffer is the size of the
// ICMP header plus the IP header (20 bytes)
Byte [] ReceiveBuffer = new Byte[256];
nBytes = 0;
//Receive the bytes
bool recd =false ;
int timeout=0 ;
//loop for checking the time of the server responding
while(!recd)
{
nBytes = socket.ReceiveFrom(ReceiveBuffer, 256, 0, ref EndPointFrom);
if (nBytes == SOCKET_ERROR)
{
Console.WriteLine("Host not Responding") ;
recd=true ;
break;
}
else if(nBytes>0)
{
dwStop = System.Environment.TickCount - dwStart; // stop timing
Console.WriteLine("Reply from "+epServer.ToString()+" in "
+dwStop+"MS :Bytes Received"+nBytes);
recd=true;
break;
}
timeout=System.Environment.TickCount - dwStart;
if(timeout>1000)
{
Console.WriteLine("Time Out") ;
recd=true;
}
}
//close the socket
socket.Close();
}
/// <summary>
/// This method get the Packet and calculates the total size
/// of the Pack by converting it to byte array
/// </summary>
public static Int32 Serialize(IcmpPacket packet, Byte[] Buffer,
Int32 PacketSize, Int32 PingData )
{
Int32 cbReturn = 0;
// serialize the struct into the array
int Index=0; Byte [] b_type = new Byte[1];
b_type[0] = (packet.Type); Byte [] b_code = new Byte[1];
b_code[0] = (packet.SubCode); Byte [] b_cksum = BitConverter.GetBytes(packet.CheckSum);
Byte [] b_id = BitConverter.GetBytes(packet.Identifier);
Byte [] b_seq = BitConverter.GetBytes(packet.SequenceNumber); // Console.WriteLine("Serialize type ");
Array.Copy( b_type, 0, Buffer, Index, b_type.Length );
Index += b_type.Length; // Console.WriteLine("Serialize code ");
Array.Copy( b_code, 0, Buffer, Index, b_code.Length );
Index += b_code.Length; // Console.WriteLine("Serialize cksum ");
Array.Copy( b_cksum, 0, Buffer, Index, b_cksum.Length );
Index += b_cksum.Length; // Console.WriteLine("Serialize id ");
Array.Copy( b_id, 0, Buffer, Index, b_id.Length );
Index += b_id.Length; Array.Copy( b_seq, 0, Buffer, Index, b_seq.Length );
Index += b_seq.Length; // copy the data
Array.Copy( packet.Data, 0, Buffer, Index, PingData );
Index += PingData;
if( Index != PacketSize/* sizeof(IcmpPacket) */)
{
cbReturn = -1;
return cbReturn;
}
cbReturn = Index;
return cbReturn;
}
/// <summary>
/// This Method has the algorithm to make a checksum
/// </summary>
public static UInt16 checksum( UInt16[] buffer, int size )
{
Int32 cksum = 0;
int counter;
counter = 0; while ( size > 0 )
{
UInt16 val = buffer[counter]; cksum += Convert.ToInt32( buffer[counter] );
counter += 1;
size -= 1;
} cksum = (cksum >> 16) + (cksum & 0xffff);
cksum += (cksum >> 16);
return (UInt16)(~cksum);
}
}
// class ping
/// <summary>
/// Class that holds the Pack information
/// </summary>
public class IcmpPacket
{
public Byte Type; // type of message
public Byte SubCode; // type of sub code
public UInt16 CheckSum; // ones complement checksum of struct
public UInt16 Identifier; // identifier
public UInt16 SequenceNumber; // sequence number
public Byte [] Data;
}
}