static void StartScanner(List <IPAddress> listOfIpAddresses, string nrOfH, string nrOfT)
{
int nrOfHosts = Int32.Parse(nrOfH);
int nrOfThreads = Int32.Parse(nrOfT);
List <IPAddress> list = listOfIpAddresses;
if (nrOfHosts > list.Count)
{
nrOfHosts = list.Count;
}
MutexClass mutobj = new MutexClass();
mutobj._mutex = new Mutex();
for (int i = 0; i < nrOfHosts; i++)
{
int thread_i = i;
List <IPAddress> l = list;
int noh = nrOfHosts;
int not = nrOfThreads;
MutexClass m = mutobj;
var hostThread = new Thread(() => HostThreadWorker(l, noh, not, thread_i, m));
hostThread.Start();
}
}
private static void HostThreadWorker(List <IPAddress> list, int nrOfHosts, int nrOfThreads,
int i, MutexClass m)
{
int totalNrOfHosts = list.Count;
int counter = 0;
IPAddress ipAddrScanned = new IPAddress(0);
PortList portListing = new PortList(1, 600);
Cde cdeobj = new Cde();
cdeobj._countdownEvent = new CountdownEvent(nrOfThreads);
while ((i + counter) <= (totalNrOfHosts - 1))
{
{
ipAddrScanned = list[i + counter];
portListing = new PortList(1, 65535);
cdeobj = new Cde();
cdeobj._countdownEvent = new CountdownEvent(nrOfThreads);
m._mutex.WaitOne();
try
{
counter += nrOfHosts;
}
finally
{
m._mutex.ReleaseMutex();
}
}
string str = string.Concat("Machine ", ipAddrScanned, " is being scanned");
Console.WriteLine(str);
str.WriteDebug();
for (int j = 0; j < nrOfThreads; j++)
{
int k = j;
IPAddress ip = ipAddrScanned;
PortList p = portListing;
Cde cdevent = cdeobj;
var portThread =
new Thread(() => PortThreadWorker(ip, k, cdevent, p));
portThread.Start();
}
cdeobj._countdownEvent.Wait();
}
}