public int Ping(string host, int timeout) {
uint addr = BitConverter.ToUInt32(IPAddress.Parse(host).GetAddressBytes(), 0);
int req = 123456789;
ICMP_ECHO_REPLY rep = new ICMP_ECHO_REPLY();
try {
IntPtr h = IcmpCreateFile();
uint retval = IcmpSendEcho(h, addr, ref req, 4, IntPtr.Zero, ref rep, 32, timeout*1000);
if (retval == 0) {
Debug.Log("Error sending ping");
}
IcmpCloseHandle(h);
} catch (Exception e) {
Debug.Log("Error doing ping: " + e.ToString());
return -1;
}
return (int)rep.RoundTripTime;
}
/// <summary>
/// Pingar um endereco IP.
/// </summary>
/// <param name="ip">IP no formato xxx.xxx.xxx.xxx</param>
/// <param name="timeout">Timeout para efetuar o Ping</param>
/// <param name="info">Informacao retornada no formato DOS</param>
/// <returns>Tempo em milisegundos</returns>
public static int Ping(string ip, int timeout, out string info)
{
IPEndPoint host = null;
host = new IPEndPoint(Dns.GetHostEntry(ip).AddressList[0], 0);
if (host == null | Environment.OSVersion.Platform != PlatformID.WinCE)
{
info = "ip error!";
return(-1);
}
int result = -1;
IntPtr ICMPHandle;
Int32 iIP;
String sData;
IP_OPTION_INFORMATION oICMPOptions = new IP_OPTION_INFORMATION();
ICMP_ECHO_REPLY ICMPReply = new ICMP_ECHO_REPLY();
Int32 iReplies;
ICMPHandle = IcmpCreateFile();
iIP = BitConverter.ToInt32(host.Address.GetAddressBytes(), 0);
sData = "abcdefghijklmnopqrstuvwxyz012345";
oICMPOptions.TTL = 255;
iReplies = IcmpSendEcho(ICMPHandle, iIP, sData,
(Int16)sData.Length, ref oICMPOptions,
ref ICMPReply, Marshal.SizeOf(ICMPReply),
timeout);
if (ICMPReply.Status == 0 && iReplies > 0)
{
result = ICMPReply.RoundTripTime;
info = "ping bytes=" + sData.Length.ToString() + " time=" + result.ToString() + "ms TTL=" + oICMPOptions.TTL.ToString();
}
else
{
info = "ping " + ip + "timed out.";
}
IcmpCloseHandle(ICMPHandle);
return(result);
}
public static int Ping(IPAddress ip)
{
in_addr destinationAddress = new in_addr((ip ?? IPAddress.Parse("0.0.0.0")).ToString());
IntPtr icmpHandle = IcmpCreateFile();
byte[] requestData = new byte[] { 0 };
byte[] replyByte = new byte[1000];
uint result = IcmpSendEcho(icmpHandle, destinationAddress, requestData, (ushort)requestData.Length, IntPtr.Zero, replyByte, (uint)replyByte.Length, 1000);
if (result > 0)
{
GCHandle handle = GCHandle.Alloc(replyByte, GCHandleType.Pinned);
ICMP_ECHO_REPLY reply = (ICMP_ECHO_REPLY)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(ICMP_ECHO_REPLY));
return((int)reply.RoundTripTime);
}
ERROR error = (ERROR)GetLastError();
return(-1);
}
public int Ping(string host, int timeout)
{
uint addr = BitConverter.ToUInt32(IPAddress.Parse(host).GetAddressBytes(), 0);
int req = 123456789;
ICMP_ECHO_REPLY rep = new ICMP_ECHO_REPLY();
try {
IntPtr h = IcmpCreateFile();
uint retval = IcmpSendEcho(h, addr, ref req, 4, IntPtr.Zero, ref rep, 32, timeout * 1000);
if (retval == 0)
{
Debug.Log("Error sending ping");
}
IcmpCloseHandle(h);
} catch (Exception e) {
Debug.Log("Error doing ping: " + e.ToString());
return(-1);
}
return((int)rep.RoundTripTime);
}
public static int Ping(IPAddress IP)
{
IntPtr ICMPHandle;
Int32 iIP;
String sData;
ICMP_OPTIONS oICMPOptions = new ICMP_OPTIONS();
ICMP_ECHO_REPLY ICMPReply = new ICMP_ECHO_REPLY();
Int32 iReplies;
ICMPHandle = IcmpCreateFile();
iIP = BitConverter.ToInt32(IP.GetAddressBytes(), 0);
sData = "x";
oICMPOptions.Ttl = 255;
iReplies = IcmpSendEcho(ICMPHandle, iIP,
sData, sData.Length, ref oICMPOptions, ref ICMPReply,
Marshal.SizeOf(ICMPReply), 30);
IcmpCloseHandle(ICMPHandle);
return(iReplies);
}
public static int Ping(IPAddress IP)
{
IntPtr ICMPHandle;
Int32 iIP;
String sData;
ICMP_OPTIONS oICMPOptions = new ICMP_OPTIONS();
ICMP_ECHO_REPLY ICMPReply = new ICMP_ECHO_REPLY();
Int32 iReplies;
ICMPHandle = IcmpCreateFile();
iIP = BitConverter.ToInt32(IP.GetAddressBytes(), 0);
sData = "x";
oICMPOptions.Ttl = 255;
iReplies = IcmpSendEcho(ICMPHandle, iIP,
sData, sData.Length, ref oICMPOptions, ref ICMPReply,
Marshal.SizeOf(ICMPReply), 30);
IcmpCloseHandle(ICMPHandle);
return iReplies;
}
public static int PingQdata(ref queueData qData)
{
IntPtr ICMPHandle;
Int32 iIP;
String sData;
ICMP_OPTIONS oICMPOptions = new ICMP_OPTIONS();
ICMP_ECHO_REPLY ICMPReply = new ICMP_ECHO_REPLY();
Int32 iReplies;
int[] roundTrips = new int[qData.iPingCount];
int averageRoundTrip = 0;
//reset ping reply count
qData.iPingReplies = 0;
/*
* qData.iPingTimeout = (byte)qData.iPingTimeout;
* qData.sIP = IP.ToString();
* qData.IP = IP;
*/
ICMPHandle = IcmpCreateFile();
iIP = BitConverter.ToInt32(qData.IP.GetAddressBytes(), 0);
sData = "x";
oICMPOptions.Ttl = (byte)qData.iPingTimeout; //time to live
for (int i = 0; i < qData.iPingCount; i++)
{
iReplies = IcmpSendEcho(ICMPHandle, iIP,
sData, sData.Length, ref oICMPOptions, ref ICMPReply,
Marshal.SizeOf(ICMPReply), 30);
if (iReplies == 1)
{
roundTrips[i] = ICMPReply.RoundTripTime;
qData.iPingReplies++;
}
else
{
roundTrips[i] = -1;
}
}
//calc average
int counts = 0;
for (int i = 0; i < qData.iPingCount; i++)
{
if (roundTrips[i] != -1)
{
averageRoundTrip += roundTrips[i];
counts++;
}
}
if (counts > 0)
{
averageRoundTrip = averageRoundTrip / counts;
}
else
{
averageRoundTrip = 0;
}
qData.iPingReplyTime = averageRoundTrip;
IcmpCloseHandle(ICMPHandle);
return(qData.iPingReplies);
}
private static extern Int32 IcmpSendEcho(IntPtr icmpHandle, Int32 destinationAddress, String requestData, Int32 requestSize, ref ICMP_OPTIONS requestOptions, ref ICMP_ECHO_REPLY replyBuffer, Int32 replySize, Int32 timeout);
private static extern uint IcmpSendEcho(IntPtr icmpHandle, uint ipAddr, ref int requestData, ushort requestSize, IntPtr optionInfo, ref ICMP_ECHO_REPLY replyBuffer, uint replySize, int timeout);
public static extern uint IcmpSendEcho(IntPtr IcmpHandle, in_addr DestinationAddress, byte[] RequestData, ushort RequestSize, IntPtr pRequestOptions, ref ICMP_ECHO_REPLY ReplyBuffer, uint ReplySize, uint Timeout);
private static extern uint IcmpSendEcho(IntPtr icmpHandle, uint ipAddr, ref int requestData, ushort requestSize, IntPtr optionInfo, ref ICMP_ECHO_REPLY replyBuffer, uint replySize, int timeout);
public static int PingQdata(ref queueData qData)
{
IntPtr ICMPHandle;
Int32 iIP;
String sData;
ICMP_OPTIONS oICMPOptions = new ICMP_OPTIONS();
ICMP_ECHO_REPLY ICMPReply = new ICMP_ECHO_REPLY();
Int32 iReplies;
int[] roundTrips= new int[qData.iPingCount];
int averageRoundTrip=0;
//reset ping reply count
qData.iPingReplies = 0;
/*
qData.iPingTimeout = (byte)qData.iPingTimeout;
qData.sIP = IP.ToString();
qData.IP = IP;
*/
ICMPHandle = IcmpCreateFile();
iIP = BitConverter.ToInt32(qData.IP.GetAddressBytes(), 0);
sData = "x";
oICMPOptions.Ttl = (byte) qData.iPingTimeout; //time to live
for(int i=0; i<qData.iPingCount; i++){
iReplies = IcmpSendEcho(ICMPHandle, iIP,
sData, sData.Length, ref oICMPOptions, ref ICMPReply,
Marshal.SizeOf(ICMPReply), 30);
if (iReplies == 1)
{
roundTrips[i] = ICMPReply.RoundTripTime;
qData.iPingReplies++;
}
else
roundTrips[i] = -1;
}
//calc average
int counts = 0;
for (int i = 0; i < qData.iPingCount; i++)
{
if (roundTrips[i] != -1)
{
averageRoundTrip += roundTrips[i];
counts++;
}
}
if(counts>0)
averageRoundTrip = averageRoundTrip / counts;
else
averageRoundTrip = 0;
qData.iPingReplyTime = averageRoundTrip;
IcmpCloseHandle(ICMPHandle);
return qData.iPingReplies;
}
private static extern Int32 IcmpSendEcho(IntPtr icmpHandle, Int32 destinationAddress, String requestData, Int32 requestSize, ref ICMP_OPTIONS requestOptions, ref ICMP_ECHO_REPLY replyBuffer, Int32 replySize, Int32 timeout);
