public void RemoveNetwork(Network n)
{
try
{
connection = new SQLiteConnection("Data Source=" + dbpath + ";Version=3; foreign keys=true;");
connection.Open();
command = new SQLiteCommand(connection);
//Delete Network
command.CommandText = "DELETE FROM network WHERE networkNumber=@nnr ;";
command.Parameters.AddWithValue("@nnr", n.NetworkNumber);
command.ExecuteNonQuery();
//drop old ip addresses
/*command.CommandText = "DELETE FROM networkipadress WHERE networkNumber=@nnr ;";
command.Parameters.AddWithValue("@nnr", n.NetworkNumber);
command.ExecuteNonQuery();*/
Log.WriteLog(string.Format("Network {0} deleted in database.", n.Name));
}
catch (Exception e)
{
MessageBox.Show("Error SQL Write Network", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog(e.Message);
}
connection.Close();
}
public void SaveNetwork(Network n, NetworkInventory ni)
{
try
{
//Create Progress Form
FormProgress fp = new FormProgress();
//Create Query
connection = new SQLiteConnection("Data Source=" + dbpath + ";Version=3; foreign keys=true;");
connection.Open();
command = new SQLiteCommand(connection);
command.CommandText = "INSERT INTO network (networkNumber, name, inputtype, networkInventoryNumber) VALUES(@networkNumber, @name, @inputtype, @networkInventoryNumber);";
command.Parameters.AddWithValue("@networkNumber", n.NetworkNumber);
command.Parameters.AddWithValue("@name", n.Name);
command.Parameters.AddWithValue("@inputtype", n.InputType);
command.Parameters.AddWithValue("@networkInventoryNumber", ni.NetworkInventoryNumber);
command.ExecuteNonQuery();
SQLiteTransaction transaction = connection.BeginTransaction();
//Initialize Progress Form
fp.SetMax(n.IpAddresses.Count);
fp.Show();
foreach (IPAddress ip in n.IpAddresses)
{
try
{//Write IP to table, if it is already there, throw exception
command.CommandText = "INSERT INTO ipaddresses (ipaddress) VALUES(@ipaddress);";
command.Parameters.AddWithValue("@ipaddress", ip.ToString());
command.ExecuteNonQuery();
//Log.WriteLog("IPAddress {0} saved to database", ip.ToString());
}
catch (Exception e)
{
Log.WriteLog("Error writing IP to DB: " + e.Message);
}
try
{//Connect ip to netwok in database
command.CommandText = "INSERT INTO networkipadress (networkNumber, ipaddress) VALUES(@networkNumber, @ipaddress);";
command.Parameters.AddWithValue("@networkNumber", n.NetworkNumber);
command.Parameters.AddWithValue("@ipaddress", ip.ToString());
command.ExecuteNonQuery();
//Log.WriteLog("IPaddress {0} connected to network {1} in database.", ip.ToString(), n.Name);
}
catch (Exception e)
{
Log.WriteLog("Error writing IP/NW to DB: " + e.Message);
}
fp.Progress();
}
transaction.Commit();
Log.WriteLog(string.Format("Network {0} saved to database.", n.Name));
fp.Close();
}
catch (Exception e)
{
MessageBox.Show("Error SQL Write Network", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog(e.Message);
}
connection.Close();
}
public void UpdateNetwork(Network n)
{
try
{
//Create Progress Form
FormProgress fp = new FormProgress();
//Create Query
connection = new SQLiteConnection("Data Source=" + dbpath + ";Version=3; foreign keys=true;");
connection.Open();
command = new SQLiteCommand(connection);
command.CommandText = "UPDATE network SET name=@name, inputtype=@inputtype WHERE networkNumber=@nnr ;";
command.Parameters.AddWithValue("@nnr", n.NetworkNumber);
command.Parameters.AddWithValue("@name", n.Name);
command.Parameters.AddWithValue("@inputtype", n.InputType);
command.ExecuteNonQuery();
//drop old ip address connection to this network
command.CommandText = "DELETE FROM networkipadress WHERE networkNumber=@nnr ;";
command.Parameters.AddWithValue("@nnr", n.NetworkNumber);
//initialize Progress Form
fp.SetMax(n.IpAddresses.Count);
fp.Show();
//Add new ip-Addresses
SQLiteTransaction transaction = connection.BeginTransaction();
foreach (IPAddress ip in n.IpAddresses)
{
try
{//Write IP to table, if it is already there, throw exception
command.CommandText = "INSERT INTO ipaddresses (ipaddress) VALUES(@ipaddress);";
command.Parameters.AddWithValue("@ipaddress", ip.ToString());
command.ExecuteNonQuery();
}
catch (Exception e)
{
Log.WriteLog("Error writing IP to DB: " + e.Message);
}
try
{//Connect ip to netwok in database
command.CommandText = "INSERT INTO networkipadress (networkNumber, ipaddress) VALUES(@networkNumber, @ipaddress);";
command.Parameters.AddWithValue("@networkNumber", n.NetworkNumber);
command.Parameters.AddWithValue("@ipaddress", ip.ToString());
command.ExecuteNonQuery();
}
catch (Exception e)
{
Log.WriteLog("Error writing IP/NW to DB: " + e.Message);
}
fp.Progress();
}
transaction.Commit();
Log.WriteLog(string.Format("Network {0} changed in database.", n.Name));
fp.Close();
}
catch (Exception e)
{
MessageBox.Show("Error SQL Write Network", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog(e.Message);
}
connection.Close();
}
public void RemoveNetwork(Object selectedNetwork)
{
if (selectedNetwork == null)
{
MessageBox.Show("Kein Netzwerk ausgewählt. Bitte zuerst ein Netzwerk auswählen.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
this.selectedNetwork = (Network)selectedNetwork;
DialogResult dr = MessageBox.Show(String.Format("Soll das Netzwerk {0} unwiderruflich gelöscht werden?", this.selectedNetwork.Name), "Netzwerk löschen", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
for (int i = 0; i < currentNetworkInventory.List_networks.Count; i++)
{
Network n = (Network)currentNetworkInventory.List_networks[i];
if (n.NetworkNumber == this.selectedNetwork.NetworkNumber)
{
currentNetworkInventory.List_networks.Remove(n);
i = currentNetworkInventory.List_networks.Count;
}
}
//update Clientsystem
foreach (ClientSystem c in list_systems)
{
if (c.Networknumber == this.selectedNetwork.NetworkNumber)
{
c.Networknumber = -1;
}
}
db.RemoveNetwork(this.selectedNetwork);
callingController.UpdateInformation();
UpdateView(false);
MessageBox.Show(String.Format("Das Netzwerk {0} wurde unwiderruflich gelöscht.", this.selectedNetwork.Name), "Netzwerk gelöscht", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
public void AddNetwork(Network network)
{
lstNetworks.Items.Add(network);
}
public void UpdateNetworkInventory(object selectedNetwork)
{
//bind to existing network
if (selectedNetwork == null)
{
MessageBox.Show("Kein Netzwerk ausgewählt. Bitte zuerst ein Netzwerk auswählen.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
Network help = (Network)selectedNetwork;
foreach (Network n in list_networks)
{
if (help.NetworkNumber == n.NetworkNumber)
{
this.selectedNetwork = n;
}
}
string newname = null;
//Question if the network should be changed as selected
switch (view.GetNetworkInputtype())
{
case 1:
{
string[] str_s = view.GetStartAddress();
string[] str_e = view.GetEndAddress();
newname = String.Format("{0}.{1}.{2}.{3} - {4}.{5}.{6}.{7}", str_s[0], str_s[1], str_s[2], str_s[3], str_e[0], str_e[1], str_e[2], str_e[3]);
break;
}
case 2:
{
string[] str_h = view.GetHostAddress();
newname = String.Format("{0}.{1}.{2}.{3}", str_h[0], str_h[1], str_h[2], str_h[3]);
break;
}
case 3:
{
string[] str_cidr = view.GetCidrAddress();
string[] str_e = view.GetEndAddress();
newname = String.Format("{0}.{1}.{2}.{3} / {4}", str_cidr[0], str_cidr[1], str_cidr[2], str_cidr[3], str_cidr[4]);
break;
}
default:
newname = "";
break;
}
DialogResult dr = MessageBox.Show(String.Format("Soll das Netzwerk {0} in das Netzwerk {1} geändert werden?", this.selectedNetwork.Name, newname), "Netzwerk ändern", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
try
{
//Change the network
switch (view.GetNetworkInputtype())
{
case 1:
{
//Get Address-Bytes as string
string[] str_startaddress = new string[4];
str_startaddress = view.GetStartAddress();
string[] str_endaddress = new string[4];
str_endaddress = view.GetEndAddress();
//Convert into byte
Byte[] b_startaddress = new Byte[4];
Byte[] b_endaddress = new Byte[4];
//Checks automaticaly for right value by its type and by converting
b_startaddress[0] = Convert.ToByte(str_startaddress[0]);
b_startaddress[1] = Convert.ToByte(str_startaddress[1]);
b_startaddress[2] = Convert.ToByte(str_startaddress[2]);
b_startaddress[3] = Convert.ToByte(str_startaddress[3]);
b_endaddress[0] = Convert.ToByte(str_endaddress[0]);
b_endaddress[1] = Convert.ToByte(str_endaddress[1]);
b_endaddress[2] = Convert.ToByte(str_endaddress[2]);
b_endaddress[3] = Convert.ToByte(str_endaddress[3]);
IPAddress start = new IPAddress(b_startaddress);
IPAddress end = new IPAddress(b_endaddress);
//Check for right input: Start must be lower than end
if (ControllerNetwork.convertIPtoUInt32(start) > ControllerNetwork.convertIPtoUInt32(end))
{
IPAddress helper = start;
start = end;
end = helper;
MessageBox.Show("Addressen gedreht.", "Inputfehler korregiert", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if ((int)(ControllerNetwork.convertIPtoUInt32(end) - ControllerNetwork.convertIPtoUInt32(start)) > 10000)
{
DialogResult dr_inner = MessageBox.Show("Achtung: Die Berechnung dieses Netzwerks kann unter Umständen länger dauern. Wollen Sie fortfahren?", "Warnung", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr_inner == DialogResult.No)
{
return;
}
}
this.selectedNetwork.Name = String.Format("{0} - {1}", start.ToString(), end.ToString());
this.selectedNetwork.InputType = view.GetNetworkInputtype();
this.selectedNetwork.IpAddresses = ControllerNetwork.calcAddressesSE(start, end, view.GetProgressBar());
view.ClearStartEndInput();
break;
}
case 2:
{
//Get Address-Bytes as string
string[] str_hostaddress = new string[4];
str_hostaddress = view.GetHostAddress();
//Convert into byte
Byte[] b_hostaddress = new Byte[4];
//Checks automaticaly for right value by its type and by converting
b_hostaddress[0] = Convert.ToByte(str_hostaddress[0]);
b_hostaddress[1] = Convert.ToByte(str_hostaddress[1]);
b_hostaddress[2] = Convert.ToByte(str_hostaddress[2]);
b_hostaddress[3] = Convert.ToByte(str_hostaddress[3]);
IPAddress host = new IPAddress(b_hostaddress);
ArrayList addresses = new ArrayList();
addresses.Add(host);
this.selectedNetwork.Name = host.ToString();
this.selectedNetwork.InputType = view.GetNetworkInputtype();
this.selectedNetwork.IpAddresses = addresses;
view.ClearHostInput();
break;
}
case 3:
{
//Get Address-Bytes as string
string[] str_cidraddress = new string[5];
str_cidraddress = view.GetCidrAddress();
//Convert into byte
Byte[] b_cidraddress = new Byte[4];
byte cidr = 0;
//Checks automaticaly for right value by its type and by converting
b_cidraddress[0] = Convert.ToByte(str_cidraddress[0]);
b_cidraddress[1] = Convert.ToByte(str_cidraddress[1]);
b_cidraddress[2] = Convert.ToByte(str_cidraddress[2]);
b_cidraddress[3] = Convert.ToByte(str_cidraddress[3]);
cidr = Convert.ToByte(str_cidraddress[4]);
if (cidr > 32) throw new Exception("Cidr overflow");
if (cidr < 19)
{
DialogResult dr_inner = MessageBox.Show("Achtung: Die Berechnung dieses Netzwerks kann unter Umständen länger dauern. Wollen Sie fortfahren?", "Warnung", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr_inner == DialogResult.No)
{
return;
}
}
//Creating and adding network
IPAddress network = new IPAddress(b_cidraddress);
this.selectedNetwork.Name = String.Format("{0} / {1}", network.ToString(), cidr.ToString());
Log.WriteLog("NetworktabTest:" + view.GetNetworkInputtype());
this.selectedNetwork.InputType = view.GetNetworkInputtype();
this.selectedNetwork.IpAddresses = ControllerNetwork.calcAddressesCidr(network, cidr, view.GetProgressBar());
view.ClearCidrInput();
break;
}
default:
newname = "";
break;
}
db.UpdateNetwork(this.selectedNetwork);
callingController.UpdateInformation();
UpdateView(false);
}
catch (FormatException e)
{
Log.WriteLog("Error while parsing IPAddress String to Byte: " + e.Message);
MessageBox.Show("Fehler bei der Eingabe der Adressen", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
catch (OutOfMemoryException e)
{
MessageBox.Show("Maximal zulässige Anzahl an Adressen überschritten. Das Netzwerk wurde nicht hinzugefügt. Bitte Netzwerk korregieren.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog("Speicherüberlauf: " + e.Message);
GC.Collect();
return;
}
catch (Exception e)
{
MessageBox.Show("Allgemeiner Fehler.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog("Allgemeiner Fehler: " + e.Message);
return;
}
}
}
}
//Update the view with the selected network
public void SelectedNetworkChanged(object selectedNetwork)
{
this.selectedNetwork = (Network)selectedNetwork;
if (this.selectedNetwork != null)
{
//1=Start-/EndAddress
//2=Host only
//3=Cidr
int type = this.selectedNetwork.InputType;
switch (type)
{
case 1:
{
//Get the start and endaddress, get their bytes, convert them to strings and pass them to the view
view.SetNetworkTab(type - 1);
view.ClearStartEndInput();
IPAddress start = (IPAddress)this.selectedNetwork.IpAddresses[0];
IPAddress end = (IPAddress)this.selectedNetwork.IpAddresses[this.selectedNetwork.IpAddresses.Count - 1];
Byte[] b_start = start.GetAddressBytes();
Byte[] b_end = end.GetAddressBytes();
string[] s_start = new string[4], s_end = new string[4];
for (int i = 0; i < 4; i++)
{
s_start[i] = b_start[i].ToString();
s_end[i] = b_end[i].ToString();
}
view.UpdateStartEndInput(s_start, s_end);
break;
}
case 2:
{
//Get Hostaddress and convert their bytes to string and pass them to the view
view.SetNetworkTab(type - 1);
view.ClearHostInput();
IPAddress host = (IPAddress)this.selectedNetwork.IpAddresses[0];
Byte[] b_host = host.GetAddressBytes();
string[] s_host = new string[4];
for (int i = 0; i < 4; i++)
{
s_host[i] = b_host[i].ToString();
}
view.UpdateHostInput(s_host);
break;
}
case 3:
{
//Get the name, split cidr and bytes from the name and pass to view
view.SetNetworkTab(type - 1);
view.ClearCidrInput();
string[] cidr = this.selectedNetwork.Name.Split('/', '.');
for (int i = 0; i < cidr.Length; i++)
{
cidr[i].Trim();
}
view.UpdateCidrInput(cidr);
break;
}
default:
{
Log.WriteLog("Error, wrong Inputtype");
break;
}
}
}
}
public void AddNetwork(Network network)
{
lstNetwork.Items.Add(network);
lstNetwork.SelectedItems.Clear();
}
//functions
public void AddNetwork(Network toAddingNetwork)
{
list_networks.Add(toAddingNetwork);
}
public void AddNetworkToInventory()
{
inputtype = view.GetInputtype();
if (currentCustomer != null)
{
try
{
switch (inputtype)
{
//Start- Endaddress
case 1:
{
//Get Address-Bytes as string
string[] str_startaddress = new string[4];
str_startaddress = view.GetStartAddress();
string[] str_endaddress = new string[4];
str_endaddress = view.GetEndAddress();
//Convert into byte
Byte[] b_startaddress = new Byte[4];
Byte[] b_endaddress = new Byte[4];
//Checks automaticaly for right value by its type and by converting
b_startaddress[0] = Convert.ToByte(str_startaddress[0]);
b_startaddress[1] = Convert.ToByte(str_startaddress[1]);
b_startaddress[2] = Convert.ToByte(str_startaddress[2]);
b_startaddress[3] = Convert.ToByte(str_startaddress[3]);
b_endaddress[0] = Convert.ToByte(str_endaddress[0]);
b_endaddress[1] = Convert.ToByte(str_endaddress[1]);
b_endaddress[2] = Convert.ToByte(str_endaddress[2]);
b_endaddress[3] = Convert.ToByte(str_endaddress[3]);
IPAddress start = new IPAddress(b_startaddress);
IPAddress end = new IPAddress(b_endaddress);
//Check for right input: Start must be lower than end
if (convertIPtoUInt32(start) > convertIPtoUInt32(end))
{
IPAddress helper = start;
start = end;
end = helper;
MessageBox.Show("Addressen gedreht.", "Inputfehler korregiert", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if ((int)(convertIPtoUInt32(end) - convertIPtoUInt32(start)) > 10000)
{
DialogResult dr = MessageBox.Show("Achtung: Die Berechnung dieses Netzwerks kann unter Umständen länger dauern. Wollen Sie fortfahren?", "Warnung", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr == DialogResult.No)
{
return;
}
}
//Creating and adding network
currentNetwork = new Network(list_networks.Count,
String.Format("{0} - {1}", start.ToString(), end.ToString()),
inputtype,
calcAddressesSE(start, end, view.GetProgressBar()));
view.ClearStartEndInput();
break;
}
//Host
case 2:
{
//Get Address-Bytes as string
string[] str_hostaddress = new string[4];
str_hostaddress = view.GetHostAddress();
//Convert into byte
Byte[] b_hostaddress = new Byte[4];
//Checks automaticaly for right value by its type and by converting
b_hostaddress[0] = Convert.ToByte(str_hostaddress[0]);
b_hostaddress[1] = Convert.ToByte(str_hostaddress[1]);
b_hostaddress[2] = Convert.ToByte(str_hostaddress[2]);
b_hostaddress[3] = Convert.ToByte(str_hostaddress[3]);
IPAddress host = new IPAddress(b_hostaddress);
ArrayList addresses = new ArrayList();
addresses.Add(host);
currentNetwork = new Network(list_networks.Count,
host.ToString(),
inputtype,
addresses);
view.ClearHostInput();
break;
}
//Cidr
case 3:
{
//Get Address-Bytes as string
string[] str_cidraddress = new string[5];
str_cidraddress = view.GetCidrAddress();
//Convert into byte
Byte[] b_cidraddress = new Byte[4];
byte cidr = 0;
//Checks automaticaly for right value by its type and by converting
b_cidraddress[0] = Convert.ToByte(str_cidraddress[0]);
b_cidraddress[1] = Convert.ToByte(str_cidraddress[1]);
b_cidraddress[2] = Convert.ToByte(str_cidraddress[2]);
b_cidraddress[3] = Convert.ToByte(str_cidraddress[3]);
cidr = Convert.ToByte(str_cidraddress[4]);
if (cidr > 32) throw new ArgumentException("Cidr>32");
if (cidr < 19)
{
DialogResult dr = MessageBox.Show("Achtung: Die Berechnung dieses Netzwerks kann unter Umständen länger dauern. Wollen Sie fortfahren?", "Warnung", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr == DialogResult.No)
{
return;
}
}
//Creating and adding network
IPAddress network = new IPAddress(b_cidraddress);
currentNetwork = new Network(list_networks.Count,
String.Format("{0} / {1}", network.ToString(), cidr.ToString()),
inputtype,
calcAddressesCidr(network, cidr, view.GetProgressBar()));
view.ClearCidrInput();
break;
}
default:
Log.WriteLog("Unknown Inputtype");
break;
}
list_networks.Add(currentNetwork);
view.AddNetwork(currentNetwork);
currentNetworkInventory.AddNetwork(currentNetwork);
db.SaveNetwork(currentNetwork, currentNetworkInventory);
callingController.UpdateInformation();
}
catch (FormatException e)
{
Log.WriteLog("Error while parsing IPAddress String to Byte: " + e.Message);
MessageBox.Show("Fehler bei der Eingabe der Adressen.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
catch (ArgumentException e)
{
MessageBox.Show("Fehler bei der Eingabe des Suffixes.", "Suffix-Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog("Suffix Fehler: " + e.Message);
return;
}
catch (OutOfMemoryException e)
{
MessageBox.Show("Maximal zulässige Anzahl an Adressen überschritten. Das Netzwerk wurde nicht hinzugefügt. Bitte Netzwerk korregieren.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog("Speicherüberlauf: " + e.Message);
GC.Collect();
return;
}
catch (Exception e)
{
MessageBox.Show("Allgemeiner Fehler.", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
Log.WriteLog("Allgemeiner Fehler: " + e.Message);
return;
}
}
else
{
MessageBox.Show("Kein Kunde ausgewählt. Bitte Kunde auswählen.", "Kein Kunde ausgewählt", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
UpdateView(false);
}