VUSBSniffer.cpp revision 3913cd08445c46b26002468dfb336d50e0de65e7
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Virtual USB - Sniffer facility.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Copyright (C) 2014 Oracle Corporation
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * available from http://www.virtualbox.org. This file is free software;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * you can redistribute it and/or modify it under the terms of the GNU
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * General Public License (GPL) as published by the Free Software
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync* Header Files *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync* Defined Constants And Macros *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** DumpFile Section Header Block type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_SHB_BLOCK_TYPE UINT32_C(0x0a0d0d0a)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** The byte order magic value. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_SHB_BYTE_ORDER_MAGIC UINT32_C(0x1a2b3c4d)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Current major version. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Current minor version. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Block type for the interface descriptor block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_IDB_BLOCK_TYPE UINT32_C(0x00000001)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** USB link type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_IDB_LINK_TYPE_USB_LINUX_MMAPED UINT16_C(220)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Block type for an enhanced packet block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_EPB_BLOCK_TYPE UINT32_C(0x00000006)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** USB packet event types. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_IDB_OPTION_TS_RESOLUTION UINT16_C(9)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync* DumpFile format structures *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Block header.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Block type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Block total length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Option header.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Option code. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Block total length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a option header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Section Header Block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileShb
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Byte order magic. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Major version. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Minor version. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Section length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a Section Header Block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Interface description block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileIdb
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Link type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Reserved. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Maximum number of bytes dumped from each packet. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to an Interface description block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Enhanced packet block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileEpb
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Interface ID. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Timestamp (high). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Timestamp (low). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Captured packet length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Original packet length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to an Enhanced packet block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB setup URB data.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB Isochronous data.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB packet header (Linux mmapped variant).
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Packet Id. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Event type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Transfer type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Endpoint number. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Device address. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Bus id. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Setup flag != 0 if the URB setup header is not present. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Data present flag != 0 if the URB data is not present. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Timestamp (second part). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Timestamp (us part). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Status. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** URB length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Recorded data length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Union of data for different URB types. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Copy of transfer flags. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Number of isochronous descriptors. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a USB packet header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileUsbHeaderLnxMmapped *PDumpFileUsbHeaderLnxMmapped;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB packet isochronous descriptor.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync* Structures and Typedefs *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * The internal VUSB sniffer state.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** The file handle to dump to. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Current size of the block being written. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Maximum size allocated for the block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Current block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /** Pointer to the block data which will be written on commit. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync /** Fast Mutex protecting the state against concurrent access. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to the internal VUSB sniffer state. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Allocates additional space for the block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns Pointer to the new unused space or NULL if out of memory.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param pThis The VUSB sniffer instance.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param cbAdditional The additional memory requested.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncstatic void *vusbSnifferBlockAllocSpace(PVUSBSNIFFERINT pThis, uint32_t cbAdditional)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /* Fast path where we have enough memory allocated. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync if (pThis->cbBlockCur + cbAdditional <= pThis->cbBlockMax)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /* Allocate additional memory. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync uint8_t *pbDataNew = (uint8_t *)RTMemRealloc(pThis->pbBlockData, cbNew);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync * Adds new data to the current block.
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync * @returns VBox status code.
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync * @param pThis The VUSB sniffer instance.
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync * @param pvData The data to add.
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync * @param cbData Amount of data to add.
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsyncstatic int vusbSnifferBlockAddData(PVUSBSNIFFERINT pThis, const void *pvData, uint32_t cbData)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync void *pv = vusbSnifferBlockAllocSpace(pThis, cbData);
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * Aligns the current block data to a 32bit boundary.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns VBox status code.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param pThis The VUSB sniffer instance.
3913cd08445c46b26002468dfb336d50e0de65e7vboxsyncstatic int vusbSnifferBlockAlign(PVUSBSNIFFERINT pThis)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync /* Pad to 32bits. */
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync uint32_t cbPad = RT_ALIGN_32(pThis->cbBlockCur, 4) - pThis->cbBlockCur;
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * Commits the current block to the capture file.
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * @returns VBox status code.
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * @param pThis The VUSB sniffer instance.
3913cd08445c46b26002468dfb336d50e0de65e7vboxsyncstatic int vusbSnifferBlockCommit(PVUSBSNIFFERINT pThis)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync /* Update the block total length field. */
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync uint32_t *pcbTotalLength = (uint32_t *)vusbSnifferBlockAllocSpace(pThis, 4);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync pThis->pBlockHdr->u32BlockTotalLength = pThis->cbBlockCur;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync /* Write the data. */
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync rc = RTFileWrite(pThis->hFile, pThis->pbBlockData, pThis->cbBlockCur, NULL);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Starts a new block for capturing.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns VBox status code.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param pThis The VUSB sniffer instance.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param pBlockHdr Pointer to the block header for the new block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param cbData Amount of data added with this block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncstatic int vusbSnifferBlockNew(PVUSBSNIFFERINT pThis, PDumpFileBlockHdr pBlockHdr, uint32_t cbData)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /* Validate we don't get called while another block is active. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync pThis->pBlockHdr = (PDumpFileBlockHdr)vusbSnifferBlockAllocSpace(pThis, cbData);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Add a new option to the current block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns VBox status code.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param pThis The VUSB sniffer instance.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param u16OptionCode The option code identifying the type of option.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param pvOption Raw data for the option.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param cbOption Size of the optiob data.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncstatic int vusbSnifferAddOption(PVUSBSNIFFERINT pThis, uint16_t u16OptionCode, const void *pvOption, uint16_t cbOption)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync rc = vusbSnifferBlockAddData(pThis, &OptHdr, sizeof(OptHdr));
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync rc = vusbSnifferBlockAddData(pThis, pvOption, cbOption);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncDECLHIDDEN(int) VUSBSnifferCreate(PVUSBSNIFFER phSniffer, uint32_t fFlags,
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync const char *pszCaptureFilename, const char *pszDesc)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync pThis = (PVUSBSNIFFERINT)RTMemAllocZ(sizeof(VUSBSNIFFERINT));
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = RTFileOpen(&pThis->hFile, pszCaptureFilename, RTFILE_O_DENY_NONE | RTFILE_O_CREATE | RTFILE_O_WRITE | RTFILE_O_READ);
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Write header and link type blocks. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync Shb.Hdr.u32BlockTotalLength = 0; /* Filled out by lower layer. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync Shb.u32ByteOrderMagic = DUMPFILE_SHB_BYTE_ORDER_MAGIC;
359f2915f947abde1bba4358eada89941ee87cccvboxsync Shb.u64SectionLength = UINT64_C(0xffffffffffffffff); /* -1 */
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Write the blocks. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferBlockNew(pThis, &Shb.Hdr, sizeof(Shb));
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_HARDWARE, pszOpt, strlen(pszOpt) + 1);
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Build the OS code. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = RTSystemQueryOSInfo(RTSYSOSINFO_PRODUCT, szTmp, cbTmp);
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, &szTmp[cb + 1], cbTmp - (cb + 1));
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = RTSystemQueryOSInfo(RTSYSOSINFO_VERSION, &szTmp[cb + 1], cbTmp - (cb + 1));
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_OS, szTmp, strlen(szTmp) + 1);
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = VINF_SUCCESS; /* Skip OS code if building the string failed. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync /** @todo: Add product info. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_END, NULL, 0);
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Write Interface descriptor block. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync Idb.Hdr.u32BlockTotalLength = 0; /* Filled out by lower layer. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync Idb.u16LinkType = DUMPFILE_IDB_LINK_TYPE_USB_LINUX_MMAPED;
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferBlockNew(pThis, &Idb.Hdr, sizeof(Idb));
359f2915f947abde1bba4358eada89941ee87cccvboxsync uint8_t u8TsResolution = 9; /* Nano second resolution. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Add timestamp resolution option. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferAddOption(pThis, DUMPFILE_IDB_OPTION_TS_RESOLUTION,
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_END, NULL, 0);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Destroys the given VUSB sniffer instance.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns nothing.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param hSniffer The sniffer instance to destroy.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncDECLHIDDEN(void) VUSBSnifferDestroy(VUSBSNIFFER hSniffer)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Records an VUSB event.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns VBox status code.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param hSniffer The sniffer instance.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param pUrb The URB triggering the event.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param enmEvent The type of event to record.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncDECLHIDDEN(int) VUSBSnifferRecordEvent(VUSBSNIFFER hSniffer, PVUSBURB pUrb, VUSBSNIFFEREVENT enmEvent)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync /* Start with the enhanced packet block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync Epb.u32TimestampHigh = (u64TimestampEvent >> 32) & UINT32_C(0xffffffff);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync Epb.u32TimestampLow = u64TimestampEvent & UINT32_C(0xffffffff);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u64Id = (uint64_t)pUrb; /** @todo: check whether the pointer is a good ID. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u8EventType = DUMPFILE_USB_EVENT_TYPE_SUBMIT;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u8EventType = DUMPFILE_USB_EVENT_TYPE_COMPLETE;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u8EventType = DUMPFILE_USB_EVENT_TYPE_ERROR;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync AssertMsgFailed(("Invalid event type %d\n", enmEvent));
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync AssertMsgFailed(("invalid transfer type %d\n", pUrb->enmType));
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync bool fRecordData = false;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync if (pUrb->enmType == VUSBXFERTYPE_MSG || pUrb->enmType == VUSBXFERTYPE_CTRL)
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync cbUrbLength = pSetup->wLength + sizeof(DumpFileUsbSetup);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync UsbHdr.u8EndpointNumber = pUrb->EndPt | (pUrb->enmDir == VUSBDIRECTION_IN ? 0x80 : 0x00);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u64TimestampSec = u64TimestampEvent / RT_NS_1SEC_64;;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u32TimestampUSec = u64TimestampEvent / RT_NS_1US_64 - UsbHdr.u64TimestampSec * RT_US_1SEC;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u32DataLength = fRecordData ? pUrb->cbData : 0;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync UsbHdr.u32NumDesc = pUrb->enmType == VUSBXFERTYPE_ISOC ? pUrb->cIsocPkts : 0;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync if ( (pUrb->enmType == VUSBXFERTYPE_MSG || pUrb->enmType == VUSBXFERTYPE_CTRL)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync UsbHdr.u.UsbSetup.bmRequestType = pSetup->bmRequestType;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync UsbHdr.u8SetupFlag = '-'; /* Follow usbmon source here. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Write the packet to the capture file. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferBlockNew(pThis, &Epb.Hdr, sizeof(Epb));
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferBlockAddData(pThis, &UsbHdr, sizeof(UsbHdr));
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Add Isochronous descriptors now. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync for (unsigned i = 0; i < pUrb->cIsocPkts && RT_SUCCESS(rc); i++)
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferBlockAddData(pThis, &IsoDesc, sizeof(IsoDesc));
359f2915f947abde1bba4358eada89941ee87cccvboxsync /* Record data. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync rc = vusbSnifferBlockAddData(pThis, pUrb->abData, pUrb->cbData);