Kea  2.1.7-git
subnet_id.h
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1 // Copyright (C) 2014-2021 Internet Systems Consortium, Inc. ("ISC")
2 //
3 // This Source Code Form is subject to the terms of the Mozilla Public
4 // License, v. 2.0. If a copy of the MPL was not distributed with this
5 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
6 
7 #ifndef SUBNET_ID_H
8 #define SUBNET_ID_H
9 
10 #include <exceptions/exceptions.h>
11 #include <stdint.h>
12 #include <typeinfo>
13 #include <limits>
14 
15 namespace isc {
16 namespace dhcp {
17 
24 typedef uint32_t SubnetID;
25 
27 static const SubnetID SUBNET_ID_GLOBAL = 0;
29 static const SubnetID SUBNET_ID_MAX = std::numeric_limits<uint32_t>::max()-1;
31 static const SubnetID SUBNET_ID_UNUSED = std::numeric_limits<uint32_t>::max();
32 
35 class DuplicateSubnetID : public Exception {
36 public:
37  DuplicateSubnetID(const char* file, size_t line, const char* what) :
38  isc::Exception(file, line, what) { };
39 };
40 
41 }
42 }
43 
44 #endif // SUBNET_ID_H
Exception thrown upon attempt to add subnet with an ID that belongs to the subnet that already exists...
Definition: subnet_id.h:35
virtual const char * what() const
Returns a C-style character string of the cause of the exception.
This is a base class for exceptions thrown from the DNS library module.
Defines the logger used by the top-level component of kea-lfc.
uint32_t SubnetID
Defines unique IPv4 or IPv6 subnet identifier.
Definition: subnet_id.h:24
DuplicateSubnetID(const char *file, size_t line, const char *what)
Definition: subnet_id.h:37