VirtualBox

source: vbox/trunk/src/VBox/Main/src-server/freebsd/USBProxyServiceFreeBSD.cpp@ 48016

Last change on this file since 48016 was 47117, checked in by vboxsync, 11 years ago

Main: RT_ZERO() / RTStrCopy()
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File size: 10.9 KB
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1/* $Id: USBProxyServiceFreeBSD.cpp 47117 2013-07-12 12:48:17Z vboxsync $ */
2/** @file
3 * VirtualBox USB Proxy Service, FreeBSD Specialization.
4 */
5
6/*
7 * Copyright (C) 2005-2012 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#include "USBProxyService.h"
23#include "Logging.h"
24
25#include <VBox/usb.h>
26#include <VBox/usblib.h>
27#include <VBox/err.h>
28
29#include <iprt/string.h>
30#include <iprt/alloc.h>
31#include <iprt/assert.h>
32#include <iprt/file.h>
33#include <iprt/err.h>
34#include <iprt/mem.h>
35#include <iprt/param.h>
36#include <iprt/path.h>
37#include <iprt/semaphore.h>
38
39#include <stdlib.h>
40#include <string.h>
41#include <stdio.h>
42#include <errno.h>
43#include <unistd.h>
44#include <fcntl.h>
45#include <sys/poll.h>
46#include <dev/usb/usb.h>
47#include <dev/usb/usb_ioctl.h>
48
49/*******************************************************************************
50* Structures and Typedefs *
51*******************************************************************************/
52
53
54/*******************************************************************************
55* Global Variables *
56*******************************************************************************/
57
58/**
59 * Initialize data members.
60 */
61USBProxyServiceFreeBSD::USBProxyServiceFreeBSD(Host *aHost)
62 : USBProxyService(aHost)
63{
64 LogFlowThisFunc(("aHost=%p\n", aHost));
65}
66
67
68/**
69 * Initializes the object (called right after construction).
70 *
71 * @returns S_OK on success and non-fatal failures, some COM error otherwise.
72 */
73HRESULT USBProxyServiceFreeBSD::init(void)
74{
75 /*
76 * Create semaphore.
77 */
78 int rc = RTSemEventCreate(&mNotifyEventSem);
79 if (RT_FAILURE(rc))
80 {
81 mLastError = rc;
82 return E_FAIL;
83 }
84
85 /*
86 * Start the poller thread.
87 */
88 start();
89 return S_OK;
90}
91
92
93/**
94 * Stop all service threads and free the device chain.
95 */
96USBProxyServiceFreeBSD::~USBProxyServiceFreeBSD()
97{
98 LogFlowThisFunc(("\n"));
99
100 /*
101 * Stop the service.
102 */
103 if (isActive())
104 stop();
105
106 RTSemEventDestroy(mNotifyEventSem);
107 mNotifyEventSem = NULL;
108}
109
110
111int USBProxyServiceFreeBSD::captureDevice(HostUSBDevice *aDevice)
112{
113 AssertReturn(aDevice, VERR_GENERAL_FAILURE);
114 AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
115
116 AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
117 LogFlowThisFunc(("aDevice=%s\n", aDevice->getName().c_str()));
118
119 /*
120 * Don't think we need to do anything when the device is held... fake it.
121 */
122 Assert(aDevice->getUnistate() == kHostUSBDeviceState_Capturing);
123 devLock.release();
124 interruptWait();
125
126 return VINF_SUCCESS;
127}
128
129
130int USBProxyServiceFreeBSD::releaseDevice(HostUSBDevice *aDevice)
131{
132 AssertReturn(aDevice, VERR_GENERAL_FAILURE);
133 AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
134
135 AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
136 LogFlowThisFunc(("aDevice=%s\n", aDevice->getName().c_str()));
137
138 /*
139 * We're not really holding it atm., just fake it.
140 */
141 Assert(aDevice->getUnistate() == kHostUSBDeviceState_ReleasingToHost);
142 devLock.release();
143 interruptWait();
144
145 return VINF_SUCCESS;
146}
147
148
149bool USBProxyServiceFreeBSD::updateDeviceState(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine)
150{
151 AssertReturn(aDevice, false);
152 AssertReturn(!aDevice->isWriteLockOnCurrentThread(), false);
153
154 return updateDeviceStateFake(aDevice, aUSBDevice, aRunFilters, aIgnoreMachine);
155}
156
157
158/**
159 * A device was added
160 *
161 * See USBProxyService::deviceAdded for details.
162 */
163void USBProxyServiceFreeBSD::deviceAdded(ComObjPtr<HostUSBDevice> &aDevice, SessionMachinesList &llOpenedMachines, PUSBDEVICE aUSBDevice)
164{
165 USBProxyService::deviceAdded(aDevice, llOpenedMachines, aUSBDevice);
166}
167
168int USBProxyServiceFreeBSD::wait(RTMSINTERVAL aMillies)
169{
170 return RTSemEventWait(mNotifyEventSem, aMillies < 1000 ? 1000 : 5000);
171}
172
173
174int USBProxyServiceFreeBSD::interruptWait(void)
175{
176 return RTSemEventSignal(mNotifyEventSem);
177}
178
179
180/**
181 * Dumps a USBDEVICE structure to the log using LogLevel 3.
182 * @param pDev The structure to log.
183 * @todo This is really common code.
184 */
185DECLINLINE(void) usbLogDevice(PUSBDEVICE pDev)
186{
187 NOREF(pDev);
188
189 Log3(("USB device:\n"));
190 Log3(("Product: %s (%x)\n", pDev->pszProduct, pDev->idProduct));
191 Log3(("Manufacturer: %s (Vendor ID %x)\n", pDev->pszManufacturer, pDev->idVendor));
192 Log3(("Serial number: %s (%llx)\n", pDev->pszSerialNumber, pDev->u64SerialHash));
193 Log3(("Device revision: %d\n", pDev->bcdDevice));
194 Log3(("Device class: %x\n", pDev->bDeviceClass));
195 Log3(("Device subclass: %x\n", pDev->bDeviceSubClass));
196 Log3(("Device protocol: %x\n", pDev->bDeviceProtocol));
197 Log3(("USB version number: %d\n", pDev->bcdUSB));
198 Log3(("Device speed: %s\n",
199 pDev->enmSpeed == USBDEVICESPEED_UNKNOWN ? "unknown"
200 : pDev->enmSpeed == USBDEVICESPEED_LOW ? "1.5 MBit/s"
201 : pDev->enmSpeed == USBDEVICESPEED_FULL ? "12 MBit/s"
202 : pDev->enmSpeed == USBDEVICESPEED_HIGH ? "480 MBit/s"
203 : pDev->enmSpeed == USBDEVICESPEED_VARIABLE ? "variable"
204 : "invalid"));
205 Log3(("Number of configurations: %d\n", pDev->bNumConfigurations));
206 Log3(("Bus number: %d\n", pDev->bBus));
207 Log3(("Port number: %d\n", pDev->bPort));
208 Log3(("Device number: %d\n", pDev->bDevNum));
209 Log3(("Device state: %s\n",
210 pDev->enmState == USBDEVICESTATE_UNSUPPORTED ? "unsupported"
211 : pDev->enmState == USBDEVICESTATE_USED_BY_HOST ? "in use by host"
212 : pDev->enmState == USBDEVICESTATE_USED_BY_HOST_CAPTURABLE ? "in use by host, possibly capturable"
213 : pDev->enmState == USBDEVICESTATE_UNUSED ? "not in use"
214 : pDev->enmState == USBDEVICESTATE_HELD_BY_PROXY ? "held by proxy"
215 : pDev->enmState == USBDEVICESTATE_USED_BY_GUEST ? "used by guest"
216 : "invalid"));
217 Log3(("OS device address: %s\n", pDev->pszAddress));
218}
219
220PUSBDEVICE USBProxyServiceFreeBSD::getDevices(void)
221{
222 PUSBDEVICE pDevices = NULL;
223 int FileUsb = 0;
224 int iBus = 0;
225 int iAddr = 1;
226 int rc = VINF_SUCCESS;
227 char *pszDevicePath = NULL;
228 uint32_t PlugTime = 0;
229
230 for (;;)
231 {
232 rc = RTStrAPrintf(&pszDevicePath, "/dev/%s%d.%d", USB_GENERIC_NAME, iBus, iAddr);
233 if (RT_FAILURE(rc))
234 {
235 mLastError = rc;
236 break;
237 }
238
239 LogFlowFunc((": Opening %s\n", pszDevicePath));
240
241 FileUsb = open(pszDevicePath, O_RDONLY);
242 if (FileUsb < 0)
243 {
244 if ( (errno != ENOENT)
245 && (errno != EACCES))
246 mLastError = RTErrConvertFromErrno(errno);
247
248 RTStrFree(pszDevicePath);
249
250 if ((errno == ENOENT) && (iAddr > 1))
251 {
252 iAddr = 1;
253 iBus++;
254 continue;
255 }
256 else if (errno == EACCES)
257 {
258 /* Skip devices without the right permission. */
259 iAddr++;
260 continue;
261 }
262 else
263 break;
264 }
265
266 LogFlowFunc((": %s opened successfully\n", pszDevicePath));
267
268 struct usb_device_info UsbDevInfo;
269 RT_ZERO(UsbDevInfo);
270
271 rc = ioctl(FileUsb, USB_GET_DEVICEINFO, &UsbDevInfo);
272 if (rc < 0)
273 {
274 LogFlowFunc((": Error querying device info rc=%Rrc\n", RTErrConvertFromErrno(errno)));
275 mLastError = RTErrConvertFromErrno(errno);
276 close(FileUsb);
277 RTStrFree(pszDevicePath);
278 break;
279 }
280
281 /* Filter out hubs */
282 if (UsbDevInfo.udi_class != 0x09)
283 {
284 PUSBDEVICE pDevice = (PUSBDEVICE)RTMemAllocZ(sizeof(USBDEVICE));
285 if (!pDevice)
286 {
287 mLastError = VERR_NO_MEMORY;
288 close(FileUsb);
289 RTStrFree(pszDevicePath);
290 break;
291 }
292
293 pDevice->enmState = USBDEVICESTATE_UNUSED;
294 pDevice->bBus = UsbDevInfo.udi_bus;
295 pDevice->bDeviceClass = UsbDevInfo.udi_class;
296 pDevice->bDeviceSubClass = UsbDevInfo.udi_subclass;
297 pDevice->bDeviceProtocol = UsbDevInfo.udi_protocol;
298 pDevice->bNumConfigurations = UsbDevInfo.udi_config_no;
299 pDevice->idVendor = UsbDevInfo.udi_vendorNo;
300 pDevice->idProduct = UsbDevInfo.udi_productNo;
301 pDevice->bDevNum = UsbDevInfo.udi_index;
302
303 switch (UsbDevInfo.udi_speed)
304 {
305 case USB_SPEED_LOW:
306 pDevice->enmSpeed = USBDEVICESPEED_LOW;
307 break;
308 case USB_SPEED_FULL:
309 pDevice->enmSpeed = USBDEVICESPEED_FULL;
310 break;
311 case USB_SPEED_HIGH:
312 pDevice->enmSpeed = USBDEVICESPEED_HIGH;
313 break;
314 case USB_SPEED_SUPER:
315 case USB_SPEED_VARIABLE:
316 default:
317 pDevice->enmSpeed = USBDEVICESPEED_UNKNOWN;
318 }
319
320 if (UsbDevInfo.udi_vendor[0] != '\0')
321 pDevice->pszManufacturer = RTStrDupN(UsbDevInfo.udi_vendor, sizeof(UsbDevInfo.udi_vendor));
322
323 if (UsbDevInfo.udi_product[0] != '\0')
324 pDevice->pszProduct = RTStrDupN(UsbDevInfo.udi_product, sizeof(UsbDevInfo.udi_product));
325
326 if (UsbDevInfo.udi_serial[0] != '\0')
327 {
328 pDevice->pszSerialNumber = RTStrDupN(UsbDevInfo.udi_serial, sizeof(UsbDevInfo.udi_serial));
329 pDevice->u64SerialHash = USBLibHashSerial(pDevice->pszSerialNumber);
330 }
331 rc = ioctl(FileUsb, USB_GET_PLUGTIME, &PlugTime);
332 if (rc == 0)
333 pDevice->u64SerialHash += PlugTime;
334
335 pDevice->pszAddress = RTStrDup(pszDevicePath);
336 pDevice->enmState = USBDEVICESTATE_USED_BY_HOST_CAPTURABLE;
337
338 usbLogDevice(pDevice);
339
340 pDevice->pNext = pDevices;
341 if (pDevices)
342 pDevices->pPrev = pDevice;
343 pDevices = pDevice;
344 }
345 close(FileUsb);
346 RTStrFree(pszDevicePath);
347 iAddr++;
348 }
349
350 return pDevices;
351}
352
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