public HttpResponseMessage lease(String scope)
{
// Connect to DHCP Server
var dhcpServer = DhcpServer.Connect(dhcp_host);
Boolean bFound = false;
ScopeLeaseList mylist = new ScopeLeaseList();
// Browsing through scopes
foreach (var searchscope in dhcpServer.Scopes)
{
if (searchscope.Address.ToString().Equals(scope))
{
// Found the scope given in parameter
bFound = true;
// MS DHCP return AddressState as full byte (state, Name protection and DNS informations)
// We just want the first 2 bits : state so logical and with 3 (0000011)
byte allactive = 3;
// Get active DHCP client leases
var activeClients = searchscope.Clients
.Where(c => (Convert.ToByte(c.AddressState) & allactive) == 1)
.Where(c => c.Type == DhcpServerClientTypes.DHCP);
// Browsing through leases
foreach (var client in activeClients)
{
// Retrieving client name
String myname = "";
if (client.Name == null)
{
// If no name, send something anyway
myname = "EMPTYNAME";
}
else
{
myname = client.Name;
}
// Retrieving client hardware address
String myhw = client.HardwareAddress.ToString();
// Applying Adrezo formatting
if (adrezo_format)
{
// Keeping only the host part in name
int firstpoint = myname.IndexOf('.');
if (firstpoint > 0)
{
myname = myname.Substring(0, firstpoint);
}
// Limit client name to 20 chars
if (myname.Length > 20)
{
myname = myname.Substring(0, 20);
}
// Removing : from mac address string
myhw = myhw.Replace(":", "");
//Limit mac to 12 chars
if (myhw.Length > 12)
{
myhw = myhw.Substring(0, 12);
}
}
// Add this lease with all attributes ip/mac/expiration date/name
mylist.leases.Add(new Lease(client.IpAddress.ToString(), myhw, client.LeaseExpires.ToString("yyyy-MM-dd HH:mm:ss"), myname));
}
}
}
if (bFound)
{
// Returning Json string from mylist omiting null values
return(new HttpResponseMessage()
{
Content = new StringContent(
JsonConvert.SerializeObject(mylist, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
}),
Encoding.UTF8,
"application/json"
)
});
}
else
{
// Scope given in parameter was not found
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.NotFound, "Scope not found"));
}
}
public HttpResponseMessage reserve(String scope)
{
// Connect to DHCP Server
var dhcpServer = DhcpServer.Connect(dhcp_host);
Boolean bFound = false;
ScopeLeaseList mylist = new ScopeLeaseList();
// Browsing through scopes
foreach (var searchscope in dhcpServer.Scopes)
{
if (searchscope.Address.ToString().Equals(scope))
{
// Found the scope given in parameter
bFound = true;
// Browsing through reservations for this scope
foreach (var myresa in searchscope.Reservations)
{
// Retrieving client name
String myname = "";
if (myresa.Client.Name == null)
{
// If no name, send something anyway
myname = "EMPTYNAME";
}
else
{
myname = myresa.Client.Name;
}
// Retrieving client hardware address
String myhw = myresa.HardwareAddress.ToString();
// Applying Adrezo formatting
if (adrezo_format)
{
// Keeping only the host part in name
int firstpoint = myname.IndexOf('.');
if (firstpoint > 0)
{
myname = myname.Substring(0, firstpoint);
}
// Limit client name to 20 chars
if (myname.Length > 20)
{
myname = myname.Substring(0, 20);
}
// Removing : from mac address string
myhw = myhw.Replace(":", "");
// Limit mac to 12 chars
if (myhw.Length > 12)
{
myhw = myhw.Substring(0, 12);
}
}
// Reserve Mac Address doesn't have to be removed
// Add this reservation with no expiration date (null), just ip/mac/name
mylist.leases.Add(new Lease(myresa.IpAddress.ToString(), myhw, null, myname));
}
}
}
if (bFound)
{
// Returning Json string from mylist omiting null values
return(new HttpResponseMessage()
{
Content = new StringContent(
JsonConvert.SerializeObject(mylist, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
}),
Encoding.UTF8,
"application/json"
)
});
}
else
{
// Scope given in parameter was not found
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.NotFound, "Scope not found"));
}
}
