Kea  2.3.5-git
pktinfo_utilities.h
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1 // Copyright (C) 2012-2015 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 PKTINFO_UTIL_H
8 #define PKTINFO_UTIL_H 1
9 
10 #include <sys/socket.h>
11 #include <netinet/in.h>
12 
13 // These definitions in this file are for the convenience of internal
14 // implementation and test code, and are not intended to be used publicly.
15 // The namespace "internal" indicates the intent.
16 
17 namespace isc {
18 namespace util {
19 namespace io {
20 namespace internal {
21 
22 // Lower level C-APIs require conversion between char* pointers
23 // (like structures returned by CMSG_DATA macro) and in6_pktinfo,
24 // which is not friendly with C++. The following templates
25 // are a shortcut of common workaround conversion in such cases.
26 inline struct in6_pktinfo*
27 convertPktInfo6(char* pktinfo) {
28  return (static_cast<struct in6_pktinfo*>(static_cast<void*>(pktinfo)));
29 }
30 
31 inline struct in6_pktinfo*
32 convertPktInfo6(unsigned char* pktinfo) {
33  return (static_cast<struct in6_pktinfo*>(static_cast<void*>(pktinfo)));
34 }
35 
37 
38 }
39 }
40 }
41 }
42 
43 #endif // PKTINFO_UTIL_H
struct in6_pktinfo * convertPktInfo6(char *pktinfo)
Defines the logger used by the top-level component of kea-lfc.