VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp_state.h@ 22664

Last change on this file since 22664 was 22664, checked in by vboxsync, 15 years ago

NAT: hide away dhcp internals, adds helper lookups functions

  • Property svn:eol-style set to native
File size: 29.8 KB
Line 
1/** @file
2 * NAT state/configuration.
3 */
4
5/*
6 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
17 * Clara, CA 95054 USA or visit http://www.sun.com if you need
18 * additional information or have any questions.
19 */
20
21#ifndef ___slirp_state_h
22#define ___slirp_state_h
23
24#include <iprt/req.h>
25
26#define COUNTERS_INIT
27#include "counters.h"
28
29#include "ip_icmp.h"
30#include "dnsproxy/dnsproxy.h"
31
32
33/** Where to start DHCP IP number allocation. */
34#define START_ADDR 15
35
36/** DHCP Lease time. */
37#define LEASE_TIME (24 * 3600)
38
39/*
40 * ARP cache this is naive implementaion of ARP
41 * cache of mapping 4 byte IPv4 address to 6 byte
42 * ethernet one.
43 */
44struct arp_cache_entry
45{
46 uint32_t ip;
47 uint8_t ether[6];
48 LIST_ENTRY(arp_cache_entry) list;
49};
50LIST_HEAD(arp_cache_head, arp_cache_entry);
51
52/** TFTP session entry. */
53struct tftp_session
54{
55 int in_use;
56 unsigned char filename[TFTP_FILENAME_MAX];
57
58 struct in_addr client_ip;
59 u_int16_t client_port;
60
61 int timestamp;
62};
63
64struct dns_domain_entry
65{
66 char *dd_pszDomain;
67 LIST_ENTRY(dns_domain_entry) dd_list;
68};
69LIST_HEAD(dns_domain_list_head, dns_domain_entry);
70
71struct dns_entry
72{
73 struct in_addr de_addr;
74 TAILQ_ENTRY(dns_entry) de_list;
75};
76TAILQ_HEAD(dns_list_head, dns_entry);
77
78struct port_forward_rule
79{
80 uint16_t proto;
81 uint16_t host_port;
82 uint16_t guest_port;
83#ifndef VBOX_WITH_NAT_SERVICE
84 struct in_addr guest_addr;
85#endif
86 struct in_addr bind_ip;
87 uint8_t mac_address[6]; /*need ETH_ALEN here */
88 int activated;
89 LIST_ENTRY(port_forward_rule) list;
90};
91LIST_HEAD(port_forward_rule_list, port_forward_rule);
92
93/* forward declaration */
94struct proto_handler;
95
96/** Main state/configuration structure for slirp NAT. */
97typedef struct NATState
98{
99 /* Stuff from boot.c */
100 void *pbootp_clients;
101 const char *bootp_filename;
102 /* Stuff from if.c */
103 int if_mtu, if_mru;
104 int if_comp;
105 int if_maxlinkhdr;
106 int if_queued;
107 int if_thresh;
108 struct mbuf if_fastq;
109 struct mbuf if_batchq;
110 struct mbuf *next_m;
111 /* Stuff from icmp.c */
112 struct icmpstat_t icmpstat;
113 /* Stuff from ip_input.c */
114 struct ipstat_t ipstat;
115 struct ipqhead ipq[IPREASS_NHASH];
116 int maxnipq; /* Administrative limit on # of reass queues*/
117 int maxfragsperpacket; /* Maximum number of IPv4 fragments allowed per packet */
118 int nipq; /* total number of reass queues */
119 uint16_t ip_currid;
120 /* Stuff from mbuf.c */
121 int mbuf_alloced, mbuf_max;
122 int msize;
123 struct mbuf m_freelist, m_usedlist;
124 /* Stuff from slirp.c */
125 void *pvUser;
126 uint32_t curtime;
127 uint32_t time_fasttimo;
128 uint32_t last_slowtimo;
129 bool do_slowtimo;
130 bool link_up;
131 struct timeval tt;
132 struct in_addr our_addr;
133 struct in_addr alias_addr;
134 struct in_addr special_addr;
135
136 int tcp_rcvspace;
137 int tcp_sndspace;
138 int socket_rcv;
139 int socket_snd;
140#ifdef VBOX_WITH_SLIRP_MT
141 PRTREQQUEUE pReqQueue;
142#endif
143#ifdef RT_OS_WINDOWS
144 ULONG (WINAPI * pfGetAdaptersAddresses)(ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
145#endif
146 struct dns_list_head dns_list_head;
147 struct dns_domain_list_head dns_domain_list_head;
148 struct in_addr tftp_server;
149 struct in_addr loopback_addr;
150 uint32_t netmask;
151#ifndef VBOX_WITH_NAT_SERVICE
152 uint8_t client_ethaddr[6];
153#endif
154 const uint8_t *slirp_ethaddr;
155 struct ex_list *exec_list;
156 char slirp_hostname[33];
157 bool fPassDomain;
158 struct in_addr bindIP;
159 /* Stuff from tcp_input.c */
160 struct socket tcb;
161#ifdef VBOX_WITH_SLIRP_MT
162 RTCRITSECT tcb_mutex;
163#endif
164 struct socket *tcp_last_so;
165 tcp_seq tcp_iss;
166 /* Stuff from tcp_timer.c */
167 struct tcpstat_t tcpstat;
168 uint32_t tcp_now;
169 int tcp_reass_qsize;
170 int tcp_reass_maxqlen;
171 int tcp_reass_maxseg;
172 int tcp_reass_overflows;
173 /* Stuff from tftp.c */
174 struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
175 const char *tftp_prefix;
176 /* Stuff from udp.c */
177 struct udpstat_t udpstat;
178 struct socket udb;
179#ifdef VBOX_WITH_SLIRP_MT
180 RTCRITSECT udb_mutex;
181#endif
182 struct socket *udp_last_so;
183 struct socket icmp_socket;
184 struct icmp_storage icmp_msg_head;
185# ifndef RT_OS_WINDOWS
186 /* counter of sockets needed for allocation enough room to
187 * process sockets with poll/epoll
188 *
189 * NSOCK_INC/DEC should be injected before every
190 * operation on socket queue (tcb, udb)
191 */
192 int nsock;
193# define NSOCK_INC() do {pData->nsock++;} while (0)
194# define NSOCK_DEC() do {pData->nsock--;} while (0)
195# define NSOCK_INC_EX(ex) do {ex->pData->nsock++;} while (0)
196# define NSOCK_DEC_EX(ex) do {ex->pData->nsock--;} while (0)
197# else
198# define NSOCK_INC() do {} while (0)
199# define NSOCK_DEC() do {} while (0)
200# define NSOCK_INC_EX(ex) do {} while (0)
201# define NSOCK_DEC_EX(ex) do {} while (0)
202# endif
203# ifdef RT_OS_WINDOWS
204 void *pvIcmpBuffer;
205 size_t szIcmpBuffer;
206 /* Accordin MSDN specification IcmpParseReplies
207 * function should be detected in runtime
208 */
209 long (WINAPI * pfIcmpParseReplies)(void *, long);
210 BOOL (WINAPI * pfIcmpCloseHandle)(HANDLE);
211 HMODULE hmIcmpLibrary;
212# endif
213#if defined(RT_OS_WINDOWS)
214# define VBOX_SOCKET_EVENT (pData->phEvents[VBOX_SOCKET_EVENT_INDEX])
215 HANDLE phEvents[VBOX_EVENT_COUNT];
216#endif
217
218 /* from dnsproxy/dnsproxy.h*/
219 unsigned int authoritative_port;
220 unsigned int authoritative_timeout;
221 unsigned int recursive_port;
222 unsigned int recursive_timeout;
223 unsigned int stats_timeout;
224 unsigned int port;
225
226 unsigned long active_queries;
227 unsigned long all_queries;
228 unsigned long authoritative_queries;
229 unsigned long recursive_queries;
230 unsigned long removed_queries;
231 unsigned long dropped_queries;
232 unsigned long answered_queries;
233 unsigned long dropped_answers;
234 unsigned long late_answers;
235 unsigned long hash_collisions;
236 /*dnsproxy/dnsproxy.c*/
237 unsigned short queryid;
238 struct sockaddr_in authoritative_addr;
239 struct sockaddr_in recursive_addr;
240 int sock_query;
241 int sock_answer;
242 /* dnsproxy/hash.c */
243#define HASHSIZE 10
244#define HASH(id) (id & ((1 << HASHSIZE) - 1))
245 struct request *request_hash[1 << HASHSIZE];
246 /* this field control behaviour of DHCP server */
247 bool use_dns_proxy;
248
249 LIST_HEAD(RT_NOTHING, libalias) instancehead;
250 struct libalias *proxy_alias;
251 LIST_HEAD(handler_chain, proto_handler) handler_chain;
252 struct port_forward_rule_list port_forward_rule_head;
253 int port_forwarding_activated;
254 struct arp_cache_head arp_cache;
255 /*libalis modules' handlers*/
256 struct proto_handler *ftp_module;
257 struct proto_handler *nbt_module;
258
259#define PROFILE_COUNTER(name, dsc) STAMPROFILE Stat ## name
260#define COUNTING_COUNTER(name, dsc) STAMCOUNTER Stat ## name
261
262#include "counters.h"
263
264} NATState;
265
266
267/** Default IP time to live. */
268#define ip_defttl IPDEFTTL
269
270/** Number of permanent buffers in mbuf. */
271#define mbuf_thresh 30
272
273/** Use a fixed time before sending keepalive. */
274#define tcp_keepidle TCPTV_KEEP_IDLE
275
276/** Use a fixed interval between keepalive. */
277#define tcp_keepintvl TCPTV_KEEPINTVL
278
279/** Maximum idle time before timing out a connection. */
280#define tcp_maxidle (TCPTV_KEEPCNT * tcp_keepintvl)
281
282/** Default TCP socket options. */
283#define so_options DO_KEEPALIVE
284
285/** Default TCP MSS value. */
286#define tcp_mssdflt TCP_MSS
287
288/** Default TCP round trip time. */
289#define tcp_rttdflt (TCPTV_SRTTDFLT / PR_SLOWHZ)
290
291/** Enable RFC1323 performance enhancements.
292 * @todo check if it really works, it was turned off before. */
293#define tcp_do_rfc1323 1
294
295/** TCP receive buffer size. */
296#define tcp_rcvspace pData->tcp_rcvspace
297
298/** TCP receive buffer size. */
299#define tcp_sndspace pData->tcp_sndspace
300
301/* TCP duplicate ACK retransmit threshold. */
302#define tcprexmtthresh 3
303
304
305#define bootp_filename pData->bootp_filename
306
307#define if_mtu pData->if_mtu
308#define if_mru pData->if_mru
309#define if_comp pData->if_comp
310#define if_maxlinkhdr pData->if_maxlinkhdr
311#define if_queued pData->if_queued
312#define if_thresh pData->if_thresh
313#define if_fastq pData->if_fastq
314#define if_batchq pData->if_batchq
315#define next_m pData->next_m
316
317#define icmpstat pData->icmpstat
318
319#define ipstat pData->ipstat
320#define ipq pData->ipq
321#define ip_currid pData->ip_currid
322
323#define mbuf_alloced pData->mbuf_alloced
324#define mbuf_max pData->mbuf_max
325#define msize pData->msize
326#define m_freelist pData->m_freelist
327#define m_usedlist pData->m_usedlist
328
329#define curtime pData->curtime
330#define time_fasttimo pData->time_fasttimo
331#define last_slowtimo pData->last_slowtimo
332#define do_slowtimo pData->do_slowtimo
333#define link_up pData->link_up
334#define cUsers pData->cUsers
335#define tt pData->tt
336#define our_addr pData->our_addr
337#ifndef VBOX_SLIRP_ALIAS
338# define alias_addr pData->alias_addr
339#else
340# define handler_chain pData->handler_chain
341#endif
342#define special_addr pData->special_addr
343#define dns_addr pData->dns_addr
344#define loopback_addr pData->loopback_addr
345#define client_ethaddr pData->client_ethaddr
346#define exec_list pData->exec_list
347#define slirp_hostname pData->slirp_hostname
348
349#define tcb pData->tcb
350#define tcp_last_so pData->tcp_last_so
351#define tcp_iss pData->tcp_iss
352
353#define tcpstat pData->tcpstat
354#define tcp_now pData->tcp_now
355
356#define tftp_sessions pData->tftp_sessions
357#define tftp_prefix pData->tftp_prefix
358
359#define udpstat pData->udpstat
360#define udb pData->udb
361#define udp_last_so pData->udp_last_so
362
363#define maxfragsperpacket pData->maxfragsperpacket
364#define maxnipq pData->maxnipq
365#define nipq pData->nipq
366
367#define tcp_reass_qsize pData->tcp_reass_qsize
368#define tcp_reass_maxqlen pData->tcp_reass_maxqlen
369#define tcp_reass_maxseg pData->tcp_reass_maxseg
370#define tcp_reass_overflows pData->tcp_reass_overflows
371
372#define queue_tcp_label tcb
373#define queue_udp_label udb
374#define VBOX_X2(x) x
375#define VBOX_X(x) VBOX_X2(x)
376
377#ifdef VBOX_WITH_SLIRP_MT
378
379# define QSOCKET_LOCK(queue) \
380 do { \
381 int rc; \
382 /* Assert(strcmp(RTThreadSelfName(), "EMT") != 0); */ \
383 rc = RTCritSectEnter(&VBOX_X(queue) ## _mutex); \
384 AssertReleaseRC(rc); \
385 } while (0)
386# define QSOCKET_UNLOCK(queue) \
387 do { \
388 int rc; \
389 rc = RTCritSectLeave(&VBOX_X(queue) ## _mutex); \
390 AssertReleaseRC(rc); \
391 } while (0)
392# define QSOCKET_LOCK_CREATE(queue) \
393 do { \
394 int rc; \
395 rc = RTCritSectInit(&pData->queue ## _mutex); \
396 AssertReleaseRC(rc); \
397 } while (0)
398# define QSOCKET_LOCK_DESTROY(queue) \
399 do { \
400 int rc = RTCritSectDelete(&pData->queue ## _mutex); \
401 AssertReleaseRC(rc); \
402 } while (0)
403
404# define QSOCKET_FOREACH(so, sonext, label) \
405 QSOCKET_LOCK(VBOX_X2(queue_## label ## _label)); \
406 (so) = (VBOX_X(queue_ ## label ## _label)).so_next; \
407 QSOCKET_UNLOCK(VBOX_X2(queue_## label ##_label)); \
408 if ((so) != &(VBOX_X(queue_## label ## _label))) SOCKET_LOCK((so));\
409 for (;;) \
410 { \
411 if ((so) == &(VBOX_X(queue_## label ## _label))) \
412 { \
413 break; \
414 } \
415 Log2(("%s:%d Processing so:%R[natsock]\n", __FUNCTION__, __LINE__, (so)));
416
417# define CONTINUE_NO_UNLOCK(label) goto loop_end_ ## label ## _mt_nounlock
418# define CONTINUE(label) goto loop_end_ ## label ## _mt
419/* @todo replace queue parameter with macrodinition */
420/* _mt_nounlock - user should lock so_next before calling CONTINUE_NO_UNLOCK */
421# define LOOP_LABEL(label, so, sonext) loop_end_ ## label ## _mt: \
422 (sonext) = (so)->so_next; \
423 SOCKET_UNLOCK(so); \
424 QSOCKET_LOCK(VBOX_X(queue_ ## label ## _label)); \
425 if ((sonext) != &(VBOX_X(queue_## label ## _label))) \
426 { \
427 SOCKET_LOCK((sonext)); \
428 QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
429 } \
430 else \
431 { \
432 so = &VBOX_X(queue_ ## label ## _label); \
433 QSOCKET_UNLOCK(VBOX_X(queue_ ## label ## _label)); \
434 break; \
435 } \
436 (so) = (sonext); \
437 continue; \
438 loop_end_ ## label ## _mt_nounlock: \
439 (so) = (sonext)
440
441# define DO_TCP_OUTPUT(data, sotcb) \
442 do { \
443 PRTREQ pReq = NULL; \
444 int rc; \
445 rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
446 AssertReleaseRC(rc); \
447 pReq->u.Internal.pfn = (PFNRT)tcp_output; \
448 pReq->u.Internal.cArgs = 2; \
449 pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
450 pReq->u.Internal.aArgs[1] = (uintptr_t)(sotcb); \
451 pReq->fFlags = RTREQFLAGS_VOID; \
452 rc = RTReqQueue(pReq, 0); \
453 if (RT_LIKELY(rc) == VERR_TIMEOUT) \
454 { \
455 SOCKET_UNLOCK(so); \
456 rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
457 AssertReleaseRC(rc); \
458 SOCKET_LOCK(so); \
459 RTReqFree(pReq); \
460 } \
461 else \
462 AssertReleaseRC(rc); \
463} while(0)
464
465# define DO_TCP_INPUT(data, mbuf, size, so) \
466 do { \
467 PRTREQ pReq = NULL; \
468 int rc; \
469 rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
470 AssertReleaseRC(rc); \
471 pReq->u.Internal.pfn = (PFNRT)tcp_input; \
472 pReq->u.Internal.cArgs = 4; \
473 pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
474 pReq->u.Internal.aArgs[1] = (uintptr_t)(mbuf); \
475 pReq->u.Internal.aArgs[2] = (uintptr_t)(size); \
476 pReq->u.Internal.aArgs[3] = (uintptr_t)(so); \
477 pReq->fFlags = RTREQFLAGS_VOID|RTREQFLAGS_NO_WAIT; \
478 rc = RTReqQueue(pReq, 0); \
479 AssertReleaseRC(rc); \
480 } while(0)
481
482# define DO_TCP_CONNECT(data, so) \
483 do { \
484 PRTREQ pReq = NULL; \
485 int rc; \
486 rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
487 AssertReleaseRC(rc); \
488 pReq->u.Internal.pfn = (PFNRT)tcp_connect; \
489 pReq->u.Internal.cArgs = 2; \
490 pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
491 pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
492 pReq->fFlags = RTREQFLAGS_VOID; \
493 rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
494 if (RT_LIKELY(rc) == VERR_TIMEOUT) \
495 { \
496 SOCKET_UNLOCK(so); \
497 rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
498 AssertReleaseRC(rc); \
499 SOCKET_LOCK(so); \
500 RTReqFree(pReq); \
501 } \
502 else \
503 AssertReleaseRC(rc); \
504 } while(0)
505
506# define DO_SOREAD(ret, data, so, ifclose) \
507 do { \
508 PRTREQ pReq = NULL; \
509 int rc; \
510 rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
511 AssertReleaseRC(rc); \
512 pReq->u.Internal.pfn = (PFNRT)soread_queue; \
513 pReq->u.Internal.cArgs = 4; \
514 pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
515 pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
516 pReq->u.Internal.aArgs[2] = (uintptr_t)(ifclose); \
517 pReq->u.Internal.aArgs[3] = (uintptr_t)&(ret); \
518 pReq->fFlags = RTREQFLAGS_VOID; \
519 rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
520 if (RT_LIKELY(rc) == VERR_TIMEOUT) \
521 { \
522 SOCKET_UNLOCK(so); \
523 rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
524 AssertReleaseRC(rc); \
525 SOCKET_LOCK(so); \
526 RTReqFree(pReq); \
527 } \
528 else \
529 AssertReleaseRC(rc); \
530 } while(0)
531
532# define DO_SOWRITE(ret, data, so) \
533 do { \
534 PRTREQ pReq = NULL; \
535 int rc; \
536 rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
537 AssertReleaseRC(rc); \
538 pReq->u.Internal.pfn = (PFNRT)sowrite; \
539 pReq->u.Internal.cArgs = 2; \
540 pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
541 pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
542 pReq->fFlags = RTREQFLAGS_RETURN_MASK; \
543 rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
544 if (RT_LIKELY(rc) == VERR_TIMEOUT) \
545 { \
546 SOCKET_UNLOCK(so); \
547 rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
548 SOCKET_LOCK(so); \
549 ret = pReq->iStatus; \
550 RTReqFree(pReq); \
551 } \
552 else \
553 AssertReleaseRC(rc); \
554 } while(0)
555
556# define DO_SORECFROM(data, so) \
557 do { \
558 PRTREQ pReq = NULL; \
559 int rc; \
560 rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
561 AssertReleaseRC(rc); \
562 pReq->u.Internal.pfn = (PFNRT)sorecvfrom; \
563 pReq->u.Internal.cArgs = 2; \
564 pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
565 pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
566 pReq->fFlags = RTREQFLAGS_VOID; \
567 rc = RTReqQueue(pReq, 0); \
568 if (RT_LIKELY(rc) == VERR_TIMEOUT) \
569 { \
570 SOCKET_UNLOCK(so); \
571 rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
572 AssertReleaseRC(rc); \
573 SOCKET_LOCK(so); \
574 RTReqFree(pReq); \
575 } \
576 else \
577 AssertReleaseRC(rc); \
578 } while(0)
579
580# define DO_UDP_DETACH(data, so, so_next) \
581 do { \
582 PRTREQ pReq = NULL; \
583 int rc; \
584 rc = RTReqAlloc((data)->pReqQueue, &pReq, RTREQTYPE_INTERNAL); \
585 AssertReleaseRC(rc); \
586 pReq->u.Internal.pfn = (PFNRT)udp_detach; \
587 pReq->u.Internal.cArgs = 2; \
588 pReq->u.Internal.aArgs[0] = (uintptr_t)(data); \
589 pReq->u.Internal.aArgs[1] = (uintptr_t)(so); \
590 pReq->fFlags = RTREQFLAGS_VOID; \
591 rc = RTReqQueue(pReq, 0); /* don't wait, we have to release lock before*/ \
592 if (RT_LIKELY(rc) == VERR_TIMEOUT) \
593 { \
594 SOCKET_UNLOCK(so); \
595 rc = RTReqWait(pReq, RT_INDEFINITE_WAIT); \
596 AssertReleaseRC(rc); \
597 if ((so_next) != &udb) SOCKET_LOCK((so_next)); \
598 RTReqFree(pReq); \
599 } \
600 else \
601 AssertReleaseRC(rc); \
602 } while(0)
603
604# define SOLOOKUP(so, label, src, sport, dst, dport) \
605 do { \
606 struct socket *sonxt; \
607 (so) = NULL; \
608 QSOCKET_FOREACH(so, sonxt, label) \
609 /* { */ \
610 if ( so->so_lport == (sport) \
611 && so->so_laddr.s_addr == (src).s_addr \
612 && so->so_faddr.s_addr == (dst).s_addr \
613 && so->so_fport == (dport)) \
614 { \
615 if (sonxt != &VBOX_X2(queue_ ## label ## _label)) \
616 SOCKET_UNLOCK(sonxt); \
617 break; /*so is locked*/ \
618 } \
619 LOOP_LABEL(so, sonxt, label); \
620 } \
621 } \
622 } while (0)
623
624#else /* !VBOX_WITH_SLIRP_MT */
625
626# define QSOCKET_LOCK(queue) do {} while (0)
627# define QSOCKET_UNLOCK(queue) do {} while (0)
628# define QSOCKET_LOCK_CREATE(queue) do {} while (0)
629# define QSOCKET_LOCK_DESTROY(queue) do {} while (0)
630# define QSOCKET_FOREACH(so, sonext, label) \
631 for ((so) = VBOX_X2(queue_ ## label ## _label).so_next; \
632 (so) != &(VBOX_X2(queue_ ## label ## _label)); \
633 (so) = (sonext)) \
634 { \
635 (sonext) = (so)->so_next;
636# define CONTINUE(label) continue
637# define CONTINUE_NO_UNLOCK(label) continue
638# define LOOP_LABEL(label, so, sonext) /* empty*/
639# define DO_TCP_OUTPUT(data, sotcb) tcp_output((data), (sotcb))
640# define DO_TCP_INPUT(data, mbuf, size, so) tcp_input((data), (mbuf), (size), (so))
641# define DO_TCP_CONNECT(data, so) tcp_connect((data), (so))
642# define DO_SOREAD(ret, data, so, ifclose) \
643 do { \
644 (ret) = soread((data), (so), (ifclose)); \
645 } while(0)
646# define DO_SOWRITE(ret, data, so) \
647 do { \
648 (ret) = sowrite((data), (so)); \
649 } while(0)
650# define DO_SORECFROM(data, so) sorecvfrom((data), (so))
651# define SOLOOKUP(so, label, src, sport, dst, dport) \
652 do { \
653 (so) = solookup(&VBOX_X2(queue_ ## label ## _label), (src), (sport), (dst), (dport)); \
654 } while (0)
655# define DO_UDP_DETACH(data, so, ignored) udp_detach((data), (so))
656
657#endif /* !VBOX_WITH_SLIRP_MT */
658
659#define TCP_OUTPUT(data, sotcb) DO_TCP_OUTPUT((data), (sotcb))
660#define TCP_INPUT(data, mbuf, size, so) DO_TCP_INPUT((data), (mbuf), (size), (so))
661#define TCP_CONNECT(data, so) DO_TCP_CONNECT((data), (so))
662#define SOREAD(ret, data, so, ifclose) DO_SOREAD((ret), (data), (so), (ifclose))
663#define SOWRITE(ret, data, so) DO_SOWRITE((ret), (data), (so))
664#define SORECVFROM(data, so) DO_SORECFROM((data), (so))
665#define UDP_DETACH(data, so, so_next) DO_UDP_DETACH((data), (so), (so_next))
666
667/* dnsproxy/dnsproxy.c */
668#define authoritative_port pData->authoritative_port
669#define authoritative_timeout pData->authoritative_timeout
670#define recursive_port pData->recursive_port
671#define recursive_timeout pData->recursive_timeout
672#define stats_timeout pData->stats_timeout
673/* dnsproxy/hash.c */
674#define dns_port pData->port
675#define request_hash pData->request_hash
676#define hash_collisions pData->hash_collisions
677#define active_queries pData->active_queries
678#define all_queries pData->all_queries
679#define authoritative_queries pData->authoritative_queries
680#define recursive_queries pData->recursive_queries
681#define removed_queries pData->removed_queries
682#define dropped_queries pData->dropped_queries
683#define answered_queries pData->answered_queries
684#define dropped_answers pData->dropped_answers
685#define late_answers pData->late_answers
686
687/* dnsproxy/dnsproxy.c */
688#define queryid pData->queryid
689#define authoritative_addr pData->authoritative_addr
690#define recursive_addr pData->recursive_addr
691#define sock_query pData->sock_query
692#define sock_answer pData->sock_answer
693
694#define instancehead pData->instancehead
695
696#endif /* !___slirp_state_h */
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