ntp_io.h revision 290001 
1#ifndef NTP_IO_H
2#define NTP_IO_H
3
4#include "ntp_workimpl.h"
5
6/*
7 * POSIX says use <fnct.h> to get O_* symbols and
8 * SEEK_SET symbol form <unistd.h>.
9 */
10#include <sys/types.h>
11#ifdef HAVE_UNISTD_H
12# include <unistd.h>
13#endif
14#include <stdio.h>
15#ifdef HAVE_SYS_FILE_H
16# include <sys/file.h>
17#endif
18#ifdef HAVE_FCNTL_H
19# include <fcntl.h>
20#endif
21#if !defined(SEEK_SET) && defined(L_SET)
22# define SEEK_SET L_SET
23#endif
24
25#ifdef SYS_WINNT
26# include <io.h>
27# include "win32_io.h"
28#endif
29
30#include <isc/boolean.h>
31#include <isc/netaddr.h>
32
33#if defined(HAVE_NETINET_IN_H) && defined(HAVE_NETINET_IP_H)
34# include <netinet/in.h>
35# ifdef HAVE_NETINET_IN_SYSTM_H
36#  include <netinet/in_systm.h>
37# endif
38# include <netinet/ip.h>
39#endif
40
41#include "libntp.h"	/* This needs Something above for GETDTABLESIZE */
42
43/*
44 * Define FNDELAY and FASYNC using O_NONBLOCK and O_ASYNC if we need
45 * to (and can).  This is here initially for QNX, but may help for
46 * others as well...
47 */
48#ifndef FNDELAY
49# ifdef O_NONBLOCK
50#  define FNDELAY O_NONBLOCK
51# endif
52#endif
53
54#ifndef FASYNC
55# ifdef O_ASYNC
56#  define FASYNC O_ASYNC
57# endif
58#endif
59
60
61/*
62 * NIC rule match types
63 */
64typedef enum {
65	MATCH_ALL,
66	MATCH_IPV4,
67	MATCH_IPV6,
68	MATCH_WILDCARD,
69	MATCH_IFNAME,
70	MATCH_IFADDR
71} nic_rule_match;
72
73/*
74 * NIC rule actions
75 */
76typedef enum {
77	ACTION_LISTEN,
78	ACTION_IGNORE,
79	ACTION_DROP
80} nic_rule_action;
81
82
83extern int	qos;
84SOCKET		move_fd(SOCKET fd);
85isc_boolean_t	get_broadcastclient_flag(void);
86extern int	is_ip_address(const char *, u_short, sockaddr_u *);
87extern void	sau_from_netaddr(sockaddr_u *, const isc_netaddr_t *);
88extern void	add_nic_rule(nic_rule_match match_type,
89			     const char *if_name, int prefixlen,
90			     nic_rule_action action);
91#ifndef HAVE_IO_COMPLETION_PORT
92extern	void	maintain_activefds(int fd, int closing);
93#else
94#define		maintain_activefds(f, c)	do {} while (0)
95#endif
96
97
98#endif	/* NTP_IO_H */
99