private void SendData2(IntPtr hWnd, int id, queueData qData)
{
COPYDATASTRUCT2 data = new COPYDATASTRUCT2();
data.dwData = id; // 3; // whatever value (have to match receiver end)
data.cbData = 256; //System.Runtime.InteropServices.Marshal.SizeOf(UserData2);// size of UserData struct
UserData2 userData = new UserData2();
if (qData.sIP.Length > 240)
{
qData.sIP = qData.sIP.Substring(0, 240);
}
userData.sIP = qData.sIP;
userData.iPingCount = qData.iPingCount;
userData.iPingReplies = qData.iPingReplies;
userData.iPingReplyTime = qData.iPingReplyTime;
userData.iPingTimeout = qData.iPingTimeout;
//copy data to unmanaged pointers
data.lpData = Marshal.AllocCoTaskMem(data.cbData);
Marshal.StructureToPtr(userData, data.lpData, false);
IntPtr lpData = Marshal.AllocCoTaskMem(Marshal.SizeOf(data));
Marshal.StructureToPtr(data, lpData, false);
Message msg1 = Message.Create(hWnd, WM_COPYDATA, lpData, lpData);
MessageWindow.SendMessage(ref msg1);
Marshal.FreeCoTaskMem(data.lpData);
Marshal.FreeCoTaskMem(lpData);
}
public int addHost2Ping(string s)
{
int iRet = 0;
queueData theData = new queueData();
theData.sHost = s;
//theData.sIP=s;
lock (theQueue.SyncRoot)// syncedCollection.SyncRoot)
{
theQueue.Enqueue(theData);
numberOfQueuedData++;
}
return iRet;
}
private void NotifyData(queueData qData)
{
BgThreadEventArgs _bgThread2EventArgs;
//is there any subscriber
if (this.bgThread2Event == null)
{
return;
}
try
{
_bgThread2EventArgs = new BgThreadEventArgs(qData);
this.bgThread2Event(this, _bgThread2EventArgs);
}
catch (MissingMethodException)
{
}
}
private void NotifyData(UserData2 u2Data)
{
BgThreadEventArgs _bgThread2EventArgs;
//is there any subscriber
if (this.bgThread2Event == null)
{
return;
}
try
{
queueData qData = new queueData();
qData.sIP = u2Data.sIP;
qData.iPingCount = u2Data.iPingCount;
qData.iPingReplies = u2Data.iPingReplies;
qData.iPingReplyTime = u2Data.iPingReplyTime;
qData.iPingTimeout = u2Data.iPingTimeout;
_bgThread2EventArgs = new BgThreadEventArgs(qData);
this.bgThread2Event(this, _bgThread2EventArgs);
}
catch (MissingMethodException)
{
}
}
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);
}
public BgThreadEventArgs(queueData data)
{
this.qData = data;
}
public BgThreadEventArgs(queueData data)
{
this.qData = data;
}
private void myThreadStart()
{
queueData _qData = new queueData();
System.Diagnostics.Debug.WriteLine("Entering thread proc");
int iPreplies = 0;
int _i = 0;
try
{
do
{
//The blocking function...
if (_theQueue.Count > 0)
{
//dequeue one IP to ping
lock (_theQueue.SyncRoot) // syncedCollection.SyncRoot)
{
_qData = (queueData)_theQueue.Dequeue(); // get object from queue
}
//System.Net.IPAddress ip;
try
{
_qData.IP = System.Net.Dns.Resolve(_qData.sHost).AddressList[0];
iPreplies = myPing.PingQdata(ref _qData);
}
catch (Exception x) {
System.Diagnostics.Debug.WriteLine("bgThread2: Exception in GetHostEntry(): " + x.Message);
//invalid host, unable to get IP
iPreplies = 0;
}
System.Diagnostics.Debug.WriteLine("Calling into UI thread...");
//Microsoft.WindowsCE.Forms.Message msg = Message.Create(bgWnd.Hwnd, msgID, new IntPtr(_i), IntPtr.Zero);
int id = _i; //a simple counter
//_qData.iPingReplies = iReply;
//SendData(bgWnd.Hwnd, id, "ping replies=" + iReply.ToString());
//SendData2(bgWnd.Hwnd, id, _qData);
_i++;
_qData._iCount = _i; //need to know if this is the last queued data
this.NotifyData(_qData);
System.Diagnostics.Debug.WriteLine("Thread sleeps...");
}
Thread.Sleep(1000);
} while (bRunThread);
}
catch (ThreadAbortException)
{
System.Diagnostics.Debug.WriteLine("Thread will abort");
bRunThread = false;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception in ThreadStart: " + ex.Message);
}
System.Diagnostics.Debug.WriteLine("ThreadProc ended");
}
private void NotifyData(queueData qData)
{
BgThreadEventArgs _bgThread2EventArgs;
//is there any subscriber
if (this.bgThread2Event == null)
{
return;
}
try
{
_bgThread2EventArgs = new BgThreadEventArgs(qData);
this.bgThread2Event(this, _bgThread2EventArgs);
}
catch (MissingMethodException)
{
}
}
private void NotifyData(UserData2 u2Data)
{
BgThreadEventArgs _bgThread2EventArgs;
//is there any subscriber
if (this.bgThread2Event == null)
{
return;
}
try
{
queueData qData = new queueData();
qData.sIP = u2Data.sIP;
qData.iPingCount = u2Data.iPingCount;
qData.iPingReplies = u2Data.iPingReplies;
qData.iPingReplyTime = u2Data.iPingReplyTime;
qData.iPingTimeout = u2Data.iPingTimeout;
_bgThread2EventArgs = new BgThreadEventArgs(qData);
this.bgThread2Event(this, _bgThread2EventArgs);
}
catch (MissingMethodException)
{
}
}
private void SendData2(IntPtr hWnd, int id, queueData qData)
{
COPYDATASTRUCT2 data = new COPYDATASTRUCT2();
data.dwData = id;// 3; // whatever value (have to match receiver end)
data.cbData = 256; //System.Runtime.InteropServices.Marshal.SizeOf(UserData2);// size of UserData struct
UserData2 userData = new UserData2();
if (qData.sIP.Length > 240)
{
qData.sIP = qData.sIP.Substring(0, 240);
}
userData.sIP = qData.sIP;
userData.iPingCount = qData.iPingCount;
userData.iPingReplies = qData.iPingReplies;
userData.iPingReplyTime = qData.iPingReplyTime;
userData.iPingTimeout = qData.iPingTimeout;
//copy data to unmanaged pointers
data.lpData = Marshal.AllocCoTaskMem(data.cbData);
Marshal.StructureToPtr( userData, data.lpData, false);
IntPtr lpData = Marshal.AllocCoTaskMem(Marshal.SizeOf(data));
Marshal.StructureToPtr(data, lpData, false);
Message msg1 = Message.Create(hWnd, WM_COPYDATA, lpData, lpData);
MessageWindow.SendMessage(ref msg1);
Marshal.FreeCoTaskMem(data.lpData);
Marshal.FreeCoTaskMem(lpData);
}
private void myThreadStart()
{
queueData _qData = new queueData();
System.Diagnostics.Debug.WriteLine("Entering thread proc");
int iPreplies = 0;
int _i=0;
try
{
do
{
//The blocking function...
if (_theQueue.Count > 0)
{
//dequeue one IP to ping
lock (_theQueue.SyncRoot)// syncedCollection.SyncRoot)
{
_qData = (queueData)_theQueue.Dequeue();// get object from queue
}
//System.Net.IPAddress ip;
try
{
_qData.IP = System.Net.Dns.Resolve(_qData.sHost).AddressList[0];
iPreplies = myPing.PingQdata(ref _qData);
}
catch (Exception x) {
System.Diagnostics.Debug.WriteLine("bgThread2: Exception in GetHostEntry(): " + x.Message);
//invalid host, unable to get IP
iPreplies = 0;
}
System.Diagnostics.Debug.WriteLine("Calling into UI thread...");
//Microsoft.WindowsCE.Forms.Message msg = Message.Create(bgWnd.Hwnd, msgID, new IntPtr(_i), IntPtr.Zero);
int id = _i; //a simple counter
//_qData.iPingReplies = iReply;
//SendData(bgWnd.Hwnd, id, "ping replies=" + iReply.ToString());
//SendData2(bgWnd.Hwnd, id, _qData);
_i++;
_qData._iCount = _i; //need to know if this is the last queued data
this.NotifyData(_qData);
System.Diagnostics.Debug.WriteLine("Thread sleeps...");
}
Thread.Sleep(1000);
} while (bRunThread);
}
catch (ThreadAbortException)
{
System.Diagnostics.Debug.WriteLine("Thread will abort");
bRunThread = false;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception in ThreadStart: " + ex.Message);
}
System.Diagnostics.Debug.WriteLine("ThreadProc ended");
}
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;
}
