VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/slirp/libslirp.h@ 16954

Last change on this file since 16954 was 16572, checked in by vboxsync, 16 years ago

NAT: select => poll (2x speed up on Unix)

  • Property svn:eol-style set to native
File size: 3.1 KB
Line 
1#ifndef _LIBSLIRP_H
2#define _LIBSLIRP_H
3
4#ifdef RT_OS_WINDOWS
5# include <winsock2.h>
6# ifdef __cplusplus
7extern "C" {
8# endif
9int inet_aton(const char *cp, struct in_addr *ia);
10# ifdef __cplusplus
11}
12# endif
13#else
14# ifdef RT_OS_OS2 /* temporary workaround, see ticket #127 */
15# include <sys/time.h>
16# endif
17# include <sys/select.h>
18# include <poll.h>
19# include <arpa/inet.h>
20#endif
21
22#include <VBox/types.h>
23
24typedef struct NATState *PNATState;
25
26#ifdef __cplusplus
27extern "C" {
28#endif
29
30int slirp_init(PNATState *, const char *, uint32_t, bool, const char *, const char *, void *);
31void slirp_register_timers(PNATState pData, PPDMDRVINS pDrvIns);
32void slirp_term(PNATState);
33void slirp_link_up(PNATState);
34void slirp_link_down(PNATState);
35
36#if defined(VBOX_WITH_SIMPLIFIED_SLIRP_SYNC)
37# if defined(RT_OS_WINDOWS)
38void slirp_select_fill(PNATState pData, int *pndfs);
39
40void slirp_select_poll(PNATState pData, int fTimeout, int fIcmp);
41# else /* RT_OS_WINDOWS */
42void slirp_select_fill(PNATState pData, int *pnfds, struct pollfd *polls);
43void slirp_select_poll(PNATState pData, struct pollfd *polls, int ndfs);
44# endif /* !RT_OS_WINDOWS */
45#else /* VBOX_WITH_SIMPLIFIED_SLIRP_SYNC */
46void slirp_select_fill(PNATState pData, int *pnfds,
47 fd_set *readfds, fd_set *writefds, fd_set *xfds);
48
49void slirp_select_poll(PNATState pData, int *pnfds,
50 fd_set *readfds, fd_set *writefds, fd_set *xfds);
51#endif /* !VBOX_WITH_SIMPLIFIED_SLIRP_SYNC */
52
53void slirp_input(PNATState pData, const uint8_t *pkt, int pkt_len);
54void slirp_set_ethaddr(PNATState pData, const uint8_t *ethaddr);
55
56/* you must provide the following functions: */
57int slirp_can_output(void * pvUser);
58#ifdef VBOX_WITH_SIMPLIFIED_SLIRP_SYNC
59void slirp_output(void * pvUser, void *pvArg, const uint8_t *pkt, int pkt_len);
60void slirp_post_sent(PNATState pData, void *pvArg);
61#else
62void slirp_output(void * pvUser, const uint8_t *pkt, int pkt_len);
63#endif
64
65int slirp_redir(PNATState pData, int is_udp, int host_port,
66 struct in_addr guest_addr, int guest_port);
67int slirp_add_exec(PNATState pData, int do_pty, const char *args, int addr_low_byte,
68 int guest_port);
69
70#if defined(VBOX_WITH_SIMPLIFIED_SLIRP_SYNC) && defined(RT_OS_WINDOWS)
71
72
73/*
74 * ICMP handle state change
75 */
76# define VBOX_ICMP_EVENT_INDEX 0
77
78/**
79 * This event is for
80 * - slirp_input
81 * - slirp_link_up
82 * - slirp_link_down
83 * - wakeup
84 */
85# define VBOX_WAKEUP_EVENT_INDEX 1
86
87/*
88 * UDP/TCP socket state change (socket ready to receive, to send, ...)
89 */
90# define VBOX_SOCKET_EVENT_INDEX 2
91
92/*
93 * The number of events for WSAWaitForMultipleEvents().
94 */
95# define VBOX_EVENT_COUNT 3
96
97HANDLE *slirp_get_events(PNATState pData);
98void slirp_register_external_event(PNATState pData, HANDLE hEvent, int index);
99#endif
100#ifdef VBOX_WITH_SLIRP_MT
101void slirp_process_queue(PNATState pData);
102void *slirp_get_queue(PNATState pData);
103#endif
104
105/*
106 * Returns the timeout.
107 */
108unsigned int slirp_get_timeout_ms(PNATState pData);
109
110# ifndef RT_OS_WINDOWS
111/*
112 * Returns the number of sockets.
113 */
114int slirp_get_nsock(PNATState pData);
115# endif
116
117#ifdef __cplusplus
118}
119#endif
120
121#endif
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