VBoxNetBaseService.cpp@ 78271

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1	/* $Id: VBoxNetBaseService.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2	/** @file
3	* VBoxNetBaseService - common services for VBoxNetDHCP and VBoxNetNAT.
4	*/
5
6	/*
7	* Copyright (C) 2009-2019 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_NET_SERVICE
23
24	#include <VBox/com/com.h>
25	#include <VBox/com/listeners.h>
26	#include <VBox/com/string.h>
27	#include <VBox/com/Guid.h>
28	#include <VBox/com/array.h>
29	#include <VBox/com/ErrorInfo.h>
30	#include <VBox/com/errorprint.h>
31	#include <VBox/com/VirtualBox.h>
32	#include <VBox/com/NativeEventQueue.h>
33
34	#include <iprt/alloca.h>
35	#include <iprt/buildconfig.h>
36	#include <iprt/err.h>
37	#include <iprt/net.h> /* must come before getopt.h. */
38	#include <iprt/getopt.h>
39	#include <iprt/initterm.h>
40	#include <iprt/param.h>
41	#include <iprt/path.h>
42	#include <iprt/process.h>
43	#include <iprt/stream.h>
44	#include <iprt/string.h>
45	#include <iprt/time.h>
46	#include <iprt/thread.h>
47	#include <iprt/mem.h>
48	#include <iprt/message.h>
49
50	#include <VBox/sup.h>
51	#include <VBox/intnet.h>
52	#include <VBox/intnetinline.h>
53	#include <VBox/vmm/vmm.h>
54	#include <VBox/version.h>
55
56	#include <vector>
57	#include <string>
58
59	#include <VBox/err.h>
60	#include <VBox/log.h>
61
62	#include "VBoxNetLib.h"
63	#include "VBoxNetBaseService.h"
64
65	#ifdef RT_OS_WINDOWS /* WinMain */
66	# include <iprt/win/windows.h>
67	# include <stdlib.h>
68	#endif
69
70
71	/*********************************************************************************************************************************
72	* Structures and Typedefs *
73	*********************************************************************************************************************************/
74	struct VBoxNetBaseService::Data
75	{
76	Data(const std::string& aServiceName, const std::string& aNetworkName):
77	m_ServiceName(aServiceName),
78	m_NetworkName(aNetworkName),
79	m_enmTrunkType(kIntNetTrunkType_WhateverNone),
80	m_pSession(NIL_RTR0PTR),
81	m_cbSendBuf(128 * _1K),
82	m_cbRecvBuf(256 * _1K),
83	m_hIf(INTNET_HANDLE_INVALID),
84	m_pIfBuf(NULL),
85	m_cVerbosity(0),
86	m_fNeedMain(false),
87	m_EventQ(NULL),
88	m_hThrRecv(NIL_RTTHREAD),
89	fShutdown(false)
90	{
91	int rc = RTCritSectInit(&m_csThis);
92	AssertRC(rc);
93	};
94
95	std::string m_ServiceName;
96	std::string m_NetworkName;
97	std::string m_TrunkName;
98	INTNETTRUNKTYPE m_enmTrunkType;
99
100	RTMAC m_MacAddress;
101	RTNETADDRIPV4 m_Ipv4Address;
102	RTNETADDRIPV4 m_Ipv4Netmask;
103
104	PSUPDRVSESSION m_pSession;
105	uint32_t m_cbSendBuf;
106	uint32_t m_cbRecvBuf;
107	INTNETIFHANDLE m_hIf; /*< The handle to the network interface. /
108	PINTNETBUF m_pIfBuf; /*< Interface buffer. /
109
110	std::vector<PRTGETOPTDEF> m_vecOptionDefs;
111
112	int32_t m_cVerbosity;
113
114	/* cs for syncing */
115	RTCRITSECT m_csThis;
116
117	/* Controls whether service will connect SVC for runtime needs */
118	bool m_fNeedMain;
119	/* Event Queue */
120	com::NativeEventQueue *m_EventQ;
121
122	/** receiving thread, used only if main is used */
123	RTTHREAD m_hThrRecv;
124
125	bool fShutdown;
126	static DECLCALLBACK(int) recvLoop(RTTHREAD, void *);
127	};
128
129
130	/*********************************************************************************************************************************
131	* Global Variables *
132	*********************************************************************************************************************************/
133	/* Commonly used options for network configuration */
134	static RTGETOPTDEF g_aGetOptDef[] =
135	{
136	{ "--name", 'N', RTGETOPT_REQ_STRING },
137	{ "--network", 'n', RTGETOPT_REQ_STRING },
138	{ "--trunk-name", 't', RTGETOPT_REQ_STRING },
139	{ "--trunk-type", 'T', RTGETOPT_REQ_STRING },
140	{ "--mac-address", 'a', RTGETOPT_REQ_MACADDR },
141	{ "--ip-address", 'i', RTGETOPT_REQ_IPV4ADDR },
142	{ "--netmask", 'm', RTGETOPT_REQ_IPV4ADDR },
143	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
144	{ "--need-main", 'M', RTGETOPT_REQ_BOOL },
145	};
146
147
148	DECLCALLBACK(int) VBoxNetBaseService::Data::recvLoop(RTTHREAD, void *pvUser)
149	{
150	VBoxNetBaseService pThis = static_cast<VBoxNetBaseService >(pvUser);
151
152	HRESULT hrc = com::Initialize();
153	AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
154
155	pThis->doReceiveLoop();
156
157	return VINF_SUCCESS;
158	}
159
160
161	VBoxNetBaseService::VBoxNetBaseService(const std::string& aName, const std::string& aNetworkName):m(NULL)
162	{
163	m = new VBoxNetBaseService::Data(aName, aNetworkName);
164
165	for(unsigned int i = 0; i < RT_ELEMENTS(g_aGetOptDef); ++i)
166	m->m_vecOptionDefs.push_back(&g_aGetOptDef[i]);
167	}
168
169
170	VBoxNetBaseService::~VBoxNetBaseService()
171	{
172	/*
173	* Close the interface connection.
174	*/
175	if (m)
176	{
177	shutdown();
178	if (m->m_hIf != INTNET_HANDLE_INVALID)
179	{
180	INTNETIFCLOSEREQ CloseReq;
181	CloseReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
182	CloseReq.Hdr.cbReq = sizeof(CloseReq);
183	CloseReq.pSession = m->m_pSession;
184	CloseReq.hIf = m->m_hIf;
185	m->m_hIf = INTNET_HANDLE_INVALID;
186	int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_CLOSE, 0, &CloseReq.Hdr);
187	AssertRC(rc);
188	}
189
190	if (m->m_pSession != NIL_RTR0PTR)
191	{
192	SUPR3Term(false /fForced/);
193	m->m_pSession = NIL_RTR0PTR;
194	}
195
196	RTCritSectDelete(&m->m_csThis);
197
198	delete m;
199	m = NULL;
200	}
201	}
202
203
204	int VBoxNetBaseService::init()
205	{
206	if (isMainNeeded())
207	{
208	HRESULT hrc = com::Initialize();
209	AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
210
211	hrc = virtualboxClient.createInprocObject(CLSID_VirtualBoxClient);
212	AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
213
214	hrc = virtualboxClient->COMGETTER(VirtualBox)(virtualbox.asOutParam());
215	AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
216	}
217
218	return VINF_SUCCESS;
219	}
220
221
222	bool VBoxNetBaseService::isMainNeeded() const
223	{
224	return m->m_fNeedMain;
225	}
226
227
228	int VBoxNetBaseService::run()
229	{
230	/**
231	* If the child class needs Main we start the receving thread which calls
232	* doReceiveLoop and enter to event polling loop. For other clients we do
233	* receiving on the current (main) thread.
234	*/
235	if (isMainNeeded())
236	return startReceiveThreadAndEnterEventLoop();
237
238	doReceiveLoop();
239	return VINF_SUCCESS;
240	}
241
242	/**
243	* Parse the arguments.
244	*
245	* @returns 0 on success, fully bitched exit code on failure.
246	*
247	* @param argc Argument count.
248	* @param argv Argument vector.
249	*
250	* @todo r=bird: The --help and --version options shall not return a
251	* non-zero exit code. So, this method need to grow some
252	* complexity. I'm to blame for that blunder :/
253	*/
254	int VBoxNetBaseService::parseArgs(int argc, char **argv)
255	{
256
257	RTGETOPTSTATE State;
258	PRTGETOPTDEF paOptionArray = getOptionsPtr();
259	int rc = RTGetOptInit(&State, argc, argv, paOptionArray, m->m_vecOptionDefs.size(), 0, 0 /fFlags/);
260	AssertRCReturn(rc, 49);
261	#if 0
262	/* default initialization */
263	m_enmTrunkType = kIntNetTrunkType_WhateverNone;
264	#endif
265	Log2(("BaseService: parseArgs enter\n"));
266
267	for (;;)
268	{
269	RTGETOPTUNION Val;
270	rc = RTGetOpt(&State, &Val);
271	if (!rc)
272	break;
273	switch (rc)
274	{
275	case 'N': // --name
276	m->m_ServiceName = Val.psz;
277	break;
278
279	case 'n': // --network
280	m->m_NetworkName = Val.psz;
281	break;
282
283	case 't': //--trunk-name
284	m->m_TrunkName = Val.psz;
285	break;
286
287	case 'T': //--trunk-type
288	if (!strcmp(Val.psz, "none"))
289	m->m_enmTrunkType = kIntNetTrunkType_None;
290	else if (!strcmp(Val.psz, "whatever"))
291	m->m_enmTrunkType = kIntNetTrunkType_WhateverNone;
292	else if (!strcmp(Val.psz, "netflt"))
293	m->m_enmTrunkType = kIntNetTrunkType_NetFlt;
294	else if (!strcmp(Val.psz, "netadp"))
295	m->m_enmTrunkType = kIntNetTrunkType_NetAdp;
296	else if (!strcmp(Val.psz, "srvnat"))
297	m->m_enmTrunkType = kIntNetTrunkType_SrvNat;
298	else
299	{
300	RTStrmPrintf(g_pStdErr, "Invalid trunk type '%s'\n", Val.psz);
301	return RTEXITCODE_SYNTAX;
302	}
303	break;
304
305	case 'a': // --mac-address
306	m->m_MacAddress = Val.MacAddr;
307	break;
308
309	case 'i': // --ip-address
310	m->m_Ipv4Address = Val.IPv4Addr;
311	break;
312
313	case 'm': // --netmask
314	m->m_Ipv4Netmask = Val.IPv4Addr;
315	break;
316
317	case 'v': // --verbose
318	m->m_cVerbosity++;
319	break;
320
321	case 'V': // --version (missed)
322	RTPrintf("%sr%u\n", RTBldCfgVersion(), RTBldCfgRevision());
323	return 1; /** @todo this exit code is wrong, of course. :/ */
324
325	case 'M': // --need-main
326	m->m_fNeedMain = true;
327	break;
328
329	case 'h': // --help (missed)
330	RTPrintf("%s Version %sr%u\n"
331	"(C) 2009-" VBOX_C_YEAR " " VBOX_VENDOR "\n"
332	"All rights reserved.\n"
333	"\n"
334	"Usage: %s <options>\n"
335	"\n"
336	"Options:\n",
337	RTProcShortName(),
338	RTBldCfgVersion(),
339	RTBldCfgRevision(),
340	RTProcShortName());
341	for (unsigned int i = 0; i < m->m_vecOptionDefs.size(); i++)
342	RTPrintf(" -%c, %s\n", m->m_vecOptionDefs[i]->iShort, m->m_vecOptionDefs[i]->pszLong);
343	usage(); /* to print Service Specific usage */
344	return 1; /** @todo this exit code is wrong, of course. :/ */
345
346	default:
347	{
348	int rc1 = parseOpt(rc, Val);
349	if (RT_FAILURE(rc1))
350	{
351	RTEXITCODE rcExit = RTGetOptPrintError(rc, &Val);
352	RTPrintf("Use --help for more information.\n");
353	return rcExit;
354	}
355	break;
356	}
357	}
358	}
359
360	RTMemFree(paOptionArray);
361	return RTEXITCODE_SUCCESS;
362	}
363
364
365	int VBoxNetBaseService::tryGoOnline(void)
366	{
367	/*
368	* Open the session, load ring-0 and issue the request.
369	*/
370	int rc = SUPR3Init(&m->m_pSession);
371	if (RT_FAILURE(rc))
372	{
373	m->m_pSession = NIL_RTR0PTR;
374	LogRel(("VBoxNetBaseService: SUPR3Init -> %Rrc\n", rc));
375	return rc;
376	}
377
378	char szPath[RTPATH_MAX];
379	rc = RTPathExecDir(szPath, sizeof(szPath) - sizeof("/VMMR0.r0"));
380	if (RT_FAILURE(rc))
381	{
382	LogRel(("VBoxNetBaseService: RTPathExecDir -> %Rrc\n", rc));
383	return rc;
384	}
385
386	rc = SUPR3LoadVMM(strcat(szPath, "/VMMR0.r0"));
387	if (RT_FAILURE(rc))
388	{
389	LogRel(("VBoxNetBaseService: SUPR3LoadVMM(\"%s\") -> %Rrc\n", szPath, rc));
390	return rc;
391	}
392
393	/*
394	* Create the open request.
395	*/
396	PINTNETBUF pBuf;
397	INTNETOPENREQ OpenReq;
398	OpenReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
399	OpenReq.Hdr.cbReq = sizeof(OpenReq);
400	OpenReq.pSession = m->m_pSession;
401	RTStrCopy(OpenReq.szNetwork, sizeof(OpenReq.szNetwork), m->m_NetworkName.c_str());
402	OpenReq.szNetwork[sizeof(OpenReq.szNetwork) - 1] = '\0';
403	RTStrCopy(OpenReq.szTrunk, sizeof(OpenReq.szTrunk), m->m_TrunkName.c_str());
404	OpenReq.szTrunk[sizeof(OpenReq.szTrunk) - 1] = '\0';
405	OpenReq.enmTrunkType = m->m_enmTrunkType;
406	OpenReq.fFlags = 0; /** @todo check this */
407	OpenReq.cbSend = m->m_cbSendBuf;
408	OpenReq.cbRecv = m->m_cbRecvBuf;
409	OpenReq.hIf = INTNET_HANDLE_INVALID;
410
411	/*
412	* Issue the request.
413	*/
414	Log2(("attempting to open/create network \"%s\"...\n", OpenReq.szNetwork));
415	rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_OPEN, 0, &OpenReq.Hdr);
416	if (RT_FAILURE(rc))
417	{
418	Log2(("VBoxNetBaseService: SUPR3CallVMMR0Ex(,VMMR0_DO_INTNET_OPEN,) failed, rc=%Rrc\n", rc));
419	return rc;
420	}
421	m->m_hIf = OpenReq.hIf;
422	Log2(("successfully opened/created \"%s\" - hIf=%#x\n", OpenReq.szNetwork, m->m_hIf));
423
424	/*
425	* Get the ring-3 address of the shared interface buffer.
426	*/
427	INTNETIFGETBUFFERPTRSREQ GetBufferPtrsReq;
428	GetBufferPtrsReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
429	GetBufferPtrsReq.Hdr.cbReq = sizeof(GetBufferPtrsReq);
430	GetBufferPtrsReq.pSession = m->m_pSession;
431	GetBufferPtrsReq.hIf = m->m_hIf;
432	GetBufferPtrsReq.pRing3Buf = NULL;
433	GetBufferPtrsReq.pRing0Buf = NIL_RTR0PTR;
434	rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS, 0, &GetBufferPtrsReq.Hdr);
435	if (RT_FAILURE(rc))
436	{
437	Log2(("VBoxNetBaseService: SUPR3CallVMMR0Ex(,VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS,) failed, rc=%Rrc\n", rc));
438	return rc;
439	}
440	pBuf = GetBufferPtrsReq.pRing3Buf;
441	Log2(("pBuf=%p cbBuf=%d cbSend=%d cbRecv=%d\n",
442	pBuf, pBuf->cbBuf, pBuf->cbSend, pBuf->cbRecv));
443	m->m_pIfBuf = pBuf;
444
445	/*
446	* Activate the interface.
447	*/
448	INTNETIFSETACTIVEREQ ActiveReq;
449	ActiveReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
450	ActiveReq.Hdr.cbReq = sizeof(ActiveReq);
451	ActiveReq.pSession = m->m_pSession;
452	ActiveReq.hIf = m->m_hIf;
453	ActiveReq.fActive = true;
454	rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_SET_ACTIVE, 0, &ActiveReq.Hdr);
455	if (RT_SUCCESS(rc))
456	return 0;
457
458	/* bail out */
459	Log2(("VBoxNetBaseService: SUPR3CallVMMR0Ex(,VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE,) failed, rc=%Rrc\n", rc));
460
461	/* ignore this error */
462	return VINF_SUCCESS;
463	}
464
465
466	void VBoxNetBaseService::shutdown(void)
467	{
468	syncEnter();
469	if (!m->fShutdown)
470	{
471	m->fShutdown = true;
472	if (m->m_hThrRecv != NIL_RTTHREAD)
473	{
474	int rc = abortWait();
475	AssertRC(rc == VINF_SUCCESS \|\| rc == VERR_SEM_DESTROYED);
476	rc = m->m_EventQ->interruptEventQueueProcessing();
477	if (RT_SUCCESS(rc))
478	{
479	rc = RTThreadWait(m->m_hThrRecv, 60000, NULL);
480	if (RT_FAILURE(rc))
481	Log1WarningFunc(("RTThreadWait(%RTthrd) -> %Rrc\n", m->m_hThrRecv, rc));
482	}
483	else
484	{
485	AssertMsgFailed(("interruptEventQueueProcessing() failed\n"));
486	RTThreadWait(m->m_hThrRecv , 0, NULL);
487	}
488	}
489	}
490	syncLeave();
491	}
492
493
494	int VBoxNetBaseService::syncEnter()
495	{
496	return RTCritSectEnter(&m->m_csThis);
497	}
498
499
500	int VBoxNetBaseService::syncLeave()
501	{
502	return RTCritSectLeave(&m->m_csThis);
503	}
504
505
506	int VBoxNetBaseService::waitForIntNetEvent(int cMillis)
507	{
508	INTNETIFWAITREQ WaitReq;
509	LogFlowFunc(("ENTER:cMillis: %d\n", cMillis));
510	WaitReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
511	WaitReq.Hdr.cbReq = sizeof(WaitReq);
512	WaitReq.pSession = m->m_pSession;
513	WaitReq.hIf = m->m_hIf;
514	WaitReq.cMillies = cMillis;
515
516	int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_WAIT, 0, &WaitReq.Hdr);
517	LogFlowFuncLeaveRC(rc);
518	return rc;
519	}
520
521
522	int VBoxNetBaseService::abortWait()
523	{
524	INTNETIFABORTWAITREQ AbortReq;
525	LogFlowFunc(("ENTER:\n"));
526	AbortReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
527	AbortReq.Hdr.cbReq = sizeof(AbortReq);
528	AbortReq.pSession = m->m_pSession;
529	AbortReq.hIf = m->m_hIf;
530	AbortReq.fNoMoreWaits = true;
531
532	int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_ABORT_WAIT, 0, &AbortReq.Hdr);
533	LogFlowFuncLeaveRC(rc);
534	return rc;
535	}
536
537
538	/* S/G API */
539	int VBoxNetBaseService::sendBufferOnWire(PCINTNETSEG paSegs, size_t cSegs, size_t cbFrame)
540	{
541	/* Allocate frame */
542	PINTNETHDR pHdr = NULL;
543	uint8_t *pbFrame = NULL;
544	int rc = IntNetRingAllocateFrame(&m->m_pIfBuf->Send, (uint32_t)cbFrame, &pHdr, (void **)&pbFrame);
545	AssertRCReturn(rc, rc);
546
547	/* Now we fill pvFrame with S/G above */
548	size_t offFrame = 0;
549	for (size_t idxSeg = 0; idxSeg < cSegs; ++idxSeg)
550	{
551	memcpy(&pbFrame[offFrame], paSegs[idxSeg].pv, paSegs[idxSeg].cb);
552	offFrame += paSegs[idxSeg].cb;
553	}
554
555	/* Commit */
556	IntNetRingCommitFrameEx(&m->m_pIfBuf->Send, pHdr, cbFrame);
557
558	LogFlowFuncLeaveRC(rc);
559	return rc;
560	}
561
562	/**
563	* forcible ask for send packet on the "wire"
564	*/
565	void VBoxNetBaseService::flushWire()
566	{
567	INTNETIFSENDREQ SendReq;
568	SendReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
569	SendReq.Hdr.cbReq = sizeof(SendReq);
570	SendReq.pSession = m->m_pSession;
571	SendReq.hIf = m->m_hIf;
572	int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_SEND, 0, &SendReq.Hdr);
573	AssertRCReturnVoid(rc);
574	LogFlowFuncLeave();
575	}
576
577
578	int VBoxNetBaseService::hlpUDPBroadcast(unsigned uSrcPort, unsigned uDstPort,
579	void const *pvData, size_t cbData) const
580	{
581	return VBoxNetUDPBroadcast(m->m_pSession, m->m_hIf, m->m_pIfBuf,
582	m->m_Ipv4Address, &m->m_MacAddress, uSrcPort,
583	uDstPort, pvData, cbData);
584
585	}
586
587
588	const std::string VBoxNetBaseService::getServiceName() const
589	{
590	return m->m_ServiceName;
591	}
592
593
594	void VBoxNetBaseService::setServiceName(const std::string& aName)
595	{
596	m->m_ServiceName = aName;
597	}
598
599
600	const std::string VBoxNetBaseService::getNetworkName() const
601	{
602	return m->m_NetworkName;
603	}
604
605
606	void VBoxNetBaseService::setNetworkName(const std::string& aName)
607	{
608	m->m_NetworkName = aName;
609	}
610
611
612	const RTMAC VBoxNetBaseService::getMacAddress() const
613	{
614	return m->m_MacAddress;
615	}
616
617
618	void VBoxNetBaseService::setMacAddress(const RTMAC& aMac)
619	{
620	m->m_MacAddress = aMac;
621	}
622
623
624	const RTNETADDRIPV4 VBoxNetBaseService::getIpv4Address() const
625	{
626	return m->m_Ipv4Address;
627	}
628
629
630	void VBoxNetBaseService::setIpv4Address(const RTNETADDRIPV4& aAddress)
631	{
632	m->m_Ipv4Address = aAddress;
633	}
634
635
636	const RTNETADDRIPV4 VBoxNetBaseService::getIpv4Netmask() const
637	{
638	return m->m_Ipv4Netmask;
639	}
640
641
642	void VBoxNetBaseService::setIpv4Netmask(const RTNETADDRIPV4& aNetmask)
643	{
644	m->m_Ipv4Netmask = aNetmask;
645	}
646
647
648	uint32_t VBoxNetBaseService::getSendBufSize() const
649	{
650	return m->m_cbSendBuf;
651	}
652
653
654	void VBoxNetBaseService::setSendBufSize(uint32_t cbBuf)
655	{
656	m->m_cbSendBuf = cbBuf;
657	}
658
659
660	uint32_t VBoxNetBaseService::getRecvBufSize() const
661	{
662	return m->m_cbRecvBuf;
663	}
664
665
666	void VBoxNetBaseService::setRecvBufSize(uint32_t cbBuf)
667	{
668	m->m_cbRecvBuf = cbBuf;
669	}
670
671
672	int32_t VBoxNetBaseService::getVerbosityLevel() const
673	{
674	return m->m_cVerbosity;
675	}
676
677
678	void VBoxNetBaseService::setVerbosityLevel(int32_t aVerbosity)
679	{
680	m->m_cVerbosity = aVerbosity;
681	}
682
683
684	void VBoxNetBaseService::addCommandLineOption(const PRTGETOPTDEF optDef)
685	{
686	m->m_vecOptionDefs.push_back(optDef);
687	}
688
689
690	void VBoxNetBaseService::doReceiveLoop()
691	{
692	int rc;
693	/* Well we're ready */
694	PINTNETRINGBUF pRingBuf = &m->m_pIfBuf->Recv;
695
696	for (;;)
697	{
698	/*
699	* Wait for a packet to become available.
700	*/
701	rc = waitForIntNetEvent(2000);
702	if (rc == VERR_SEM_DESTROYED)
703	break;
704
705	if (RT_FAILURE(rc))
706	{
707	if (rc == VERR_TIMEOUT \|\| rc == VERR_INTERRUPTED)
708	{
709	/* do we want interrupt anyone ??? */
710	continue;
711	}
712	LogRel(("VBoxNetBaseService: waitForIntNetEvent returned %Rrc\n", rc));
713	AssertRCReturnVoid(rc);
714	}
715
716	/*
717	* Process the receive buffer.
718	*/
719	PCINTNETHDR pHdr;
720	while ((pHdr = IntNetRingGetNextFrameToRead(pRingBuf)) != NULL)
721	{
722	uint8_t const u8Type = pHdr->u8Type;
723	size_t cbFrame = pHdr->cbFrame;
724	switch (u8Type)
725	{
726	case INTNETHDR_TYPE_FRAME:
727	{
728	void *pvFrame = IntNetHdrGetFramePtr(pHdr, m->m_pIfBuf);
729	rc = processFrame(pvFrame, cbFrame);
730	if (RT_FAILURE(rc) && rc == VERR_IGNORED)
731	{
732	/* XXX: UDP + ARP for DHCP */
733	VBOXNETUDPHDRS Hdrs;
734	size_t cb;
735	void *pv = VBoxNetUDPMatch(m->m_pIfBuf, RTNETIPV4_PORT_BOOTPS, &m->m_MacAddress,
736	VBOXNETUDP_MATCH_UNICAST
737	\| VBOXNETUDP_MATCH_BROADCAST
738	\| VBOXNETUDP_MATCH_CHECKSUM
739	\| (m->m_cVerbosity > 2 ? VBOXNETUDP_MATCH_PRINT_STDERR : 0),
740	&Hdrs, &cb);
741	if (pv && cb)
742	processUDP(pv, cb);
743	else
744	VBoxNetArpHandleIt(m->m_pSession, m->m_hIf, m->m_pIfBuf, &m->m_MacAddress, m->m_Ipv4Address);
745	}
746	break;
747	}
748	case INTNETHDR_TYPE_GSO:
749	{
750	PCPDMNETWORKGSO pGso = IntNetHdrGetGsoContext(pHdr, m->m_pIfBuf);
751	rc = processGSO(pGso, cbFrame);
752	if (RT_FAILURE(rc) && rc == VERR_IGNORED)
753	break;
754	break;
755	}
756
757	case INTNETHDR_TYPE_PADDING:
758	break;
759
760	default:
761	break;
762	}
763	IntNetRingSkipFrame(&m->m_pIfBuf->Recv);
764	} /* loop */
765	}
766	}
767
768
769	int VBoxNetBaseService::startReceiveThreadAndEnterEventLoop()
770	{
771	AssertMsgReturn(isMainNeeded(), ("It's expected that we need Main"), VERR_INTERNAL_ERROR);
772
773	/* start receiving thread */
774	int rc = RTThreadCreate(&m->m_hThrRecv, /* thread handle*/
775	&VBoxNetBaseService::Data::recvLoop, /* routine */
776	this, /* user data */
777	128 * _1K, /* stack size */
778	RTTHREADTYPE_IO, /* type */
779	RTTHREADFLAGS_WAITABLE, /* flags */
780	"RECV");
781	AssertRCReturn(rc, rc);
782
783	m->m_EventQ = com::NativeEventQueue::getMainEventQueue();
784	AssertPtrReturn(m->m_EventQ, VERR_INTERNAL_ERROR);
785
786	while (!m->fShutdown)
787	{
788	rc = m->m_EventQ->processEventQueue(RT_INDEFINITE_WAIT);
789	if (rc == VERR_INTERRUPTED)
790	{
791	LogFlow(("Event queue processing ended with rc=%Rrc\n", rc));
792	break;
793	}
794	}
795
796	return VINF_SUCCESS;
797	}
798
799
800	void VBoxNetBaseService::debugPrint(int32_t iMinLevel, bool fMsg, const char *pszFmt, ...) const
801	{
802	if (iMinLevel <= m->m_cVerbosity)
803	{
804	va_list va;
805	va_start(va, pszFmt);
806	debugPrintV(iMinLevel, fMsg, pszFmt, va);
807	va_end(va);
808	}
809	}
810
811
812	/**
813	* Print debug message depending on the m_cVerbosity level.
814	*
815	* @param iMinLevel The minimum m_cVerbosity level for this message.
816	* @param fMsg Whether to dump parts for the current service message.
817	* @param pszFmt The message format string.
818	* @param va Optional arguments.
819	*/
820	void VBoxNetBaseService::debugPrintV(int iMinLevel, bool fMsg, const char *pszFmt, va_list va) const
821	{
822	RT_NOREF(fMsg);
823	if (iMinLevel <= m->m_cVerbosity)
824	{
825	va_list vaCopy; /* This dude is very special, thus the copy. */
826	va_copy(vaCopy, va);
827	RTStrmPrintf(g_pStdErr, "%s: %s: %N\n",
828	RTProcShortName(),
829	iMinLevel >= 2 ? "debug" : "info",
830	pszFmt,
831	&vaCopy);
832	va_end(vaCopy);
833	}
834	}
835
836
837	PRTGETOPTDEF VBoxNetBaseService::getOptionsPtr()
838	{
839	PRTGETOPTDEF pOptArray = NULL;
840	pOptArray = (PRTGETOPTDEF)RTMemAlloc(sizeof(RTGETOPTDEF) * m->m_vecOptionDefs.size());
841	if (!pOptArray)
842	return NULL;
843	for (unsigned int i = 0; i < m->m_vecOptionDefs.size(); ++i)
844	{
845	PRTGETOPTDEF pOpt = m->m_vecOptionDefs[i];
846	memcpy(&pOptArray[i], pOpt, sizeof(*pOpt));
847	}
848	return pOptArray;
849	}

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source: vbox/trunk/src/VBox/NetworkServices/NetLib/VBoxNetBaseService.cpp@ 78271

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