private void calcSubnet()
{
if (cbUseSubnet.Checked == true)
{
if (IpHelpers.isValidIP(tbSubnetMask.Text))
{
btnStart.Enabled = true;
tbIPStart.Enabled = true;
tbIPEndNetwork.Enabled = true;
tbIPEnd.Enabled = true;
ipSeg = new IPSegment(tbIPStart.Text, tbSubnetMask.Text);
tbIPStart.Text = ipSeg.FirstIP.ToIpString();
tbIPEndNetwork.Text = IPFirstPart(ipSeg.LastIP.ToIpString());
tbIPEnd.Text = IPLastPart(ipSeg.LastIP.ToIpString());
tbIPEndNetwork.ReadOnly = false;
}
else
{
btnStart.Enabled = false;
tbIPStart.Enabled = false;
tbIPEndNetwork.Enabled = false;
tbIPEnd.Enabled = false;
}
}
}
private bool CheckFirstIP()
{
string startIP = tbIPStart.Text;
if (IpHelpers.isValidIP(startIP) && startIP != "")
{
if (ipSeg.isInNetwork(startIP) == true)
{
firstIP = startIP;
return(true);
}
return(false);
}
return(false);
}
private bool CheckLastIP()
{
string endIP = tbIPEndNetwork.Text + tbIPEnd.Text;
if (IpHelpers.isValidIP(endIP) && tbIPEndNetwork.Text != "" && tbIPEnd.Text != "")
{
if (ipSeg.isInNetwork(endIP) == true)
{
lastIP = endIP;
return(true);
}
return(false);
}
return(false);
}
private void GetHosts()
{
ips.Clear(); //Clear Hosts List
if (IpHelpers.isValidIP(tbIPStart.Text) == true && IpHelpers.isValidIP(tbIPEnd.Text) && cbUseSubnet.Checked == false)
{
string ipStart = tbIPStart.Text;
string ipEnd = tbIPEnd.Text;
string ipNet = IPFirstPart(ipStart);
int ipStartSub = Convert.ToInt32(IPLastPart(ipStart));
int ipEndSub = Convert.ToInt32(ipEnd);
if (ipStartSub <= ipEndSub)
{
for (int i = ipStartSub; i <= ipEndSub; i++)
{
IPAddress newIP = IPAddress.Parse(ipNet + i.ToString());
Host newHost = new Host();
newHost.IP_Address = newIP;
newHost.CountChecks = 0;
newHost.RunningCheck = false;
ips.Add(newHost);
}
}
}
if (IpHelpers.isValidIP(tbIPStart.Text) == true && cbUseSubnet.Checked == true)
{
foreach (var host in ipSeg.Hosts())
{
if (host >= IpHelpers.ParseIp(firstIP) && host <= IpHelpers.ParseIp(lastIP))
{
//Prevent ip .0 and .255 in List
if (Convert.ToInt32(IPLastPart(host.ToIpString())) > 0 && Convert.ToInt32(IPLastPart(host.ToIpString())) < 255)
{
IPAddress newIP = IPAddress.Parse(host.ToIpString());
Host newHost = new Host();
newHost.IP_Address = newIP;
newHost.CountChecks = 0;
newHost.RunningCheck = false;
ips.Add(newHost);
}
}
}
}
}
private void tbIPStart_TextChanged(object sender, EventArgs e)
{
if (IpHelpers.isValidIP(tbIPStart.Text) == true) //Fill Network for LastIP
{
//Check if First end Last IP is in Subnet
ipSeg = new IPSegment(tbIPStart.Text, tbSubnetMask.Text);
if (cbUseSubnet.Checked == true)
{
if (CheckFirstIP() == true)
{
btnStart.Enabled = true;
tbIPEndNetwork.Enabled = true;
tbIPEnd.Enabled = true;
}
else
{
btnStart.Enabled = false;
tbIPEndNetwork.Enabled = false;
tbIPEnd.Enabled = false;
}
}
else
{
if (cbUseSubnet.Enabled == true)
{
tbIPEndNetwork.Text = IPFirstPart(tbIPStart.Text);
}
btnStart.Enabled = true;
}
}
else
{
tbIPEndNetwork.Enabled = false;
tbIPEnd.Enabled = false;
btnStart.Enabled = false;
}
}