Devices/USB/VUSBSniffer.cpp

2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/* $Id$ */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** @file
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Virtual USB - Sniffer facility.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Copyright (C) 2014 Oracle Corporation
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync *
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
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*   Header Files                                                               *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define LOG_GROUP LOG_GROUP_DRV_VUSB
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#include <VBox/log.h>
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#include <iprt/file.h>
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#include <iprt/mem.h>
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#include <iprt/buildconfig.h>
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#include <iprt/string.h>
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#include <iprt/system.h>
359f2915f947abde1bba4358eada89941ee87cccvboxsync#include <iprt/semaphore.h>
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync#include <iprt/time.h>
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#include "VUSBSniffer.h"
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*   Defined Constants And Macros                                               *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
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#define DUMPFILE_SHB_VERSION_MAJOR    UINT16_C(1)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Current minor version. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_SHB_VERSION_MINOR    UINT16_C(0)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Block type for the interface descriptor block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_IDB_BLOCK_TYPE       UINT32_C(0x00000001)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** USB link type. */
336eb809d5c54f4b2f3f17c4f9f4ecd08b350840vboxsync#define DUMPFILE_IDB_LINK_TYPE_USB_LINUX        UINT16_C(189)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_IDB_LINK_TYPE_USB_LINUX_MMAPED UINT16_C(220)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Block type for an enhanced packet block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_EPB_BLOCK_TYPE       UINT32_C(0x00000006)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** USB packet event types. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_USB_EVENT_TYPE_SUBMIT   ('S')
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_USB_EVENT_TYPE_COMPLETE ('C')
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_USB_EVENT_TYPE_ERROR    ('E')
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_OPTION_CODE_END      UINT16_C(0)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_OPTION_CODE_COMMENT  UINT16_C(1)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_OPTION_CODE_HARDWARE UINT16_C(2)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_OPTION_CODE_OS       UINT16_C(3)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_OPTION_CODE_USERAPP  UINT16_C(4)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync#define DUMPFILE_IDB_OPTION_TS_RESOLUTION UINT16_C(9)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*   DumpFile format structures                                                 *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Block header.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileBlockHdr
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Block type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32BlockType;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Block total length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32BlockTotalLength;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileBlockHdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileBlockHdr *PDumpFileBlockHdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Option header.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileOptionHdr
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Option code. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t            u16OptionCode;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Block total length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t            u16OptionLength;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileOptionHdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a option header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileOptionHdr *PDumpFileOptionHdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Section Header Block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileShb
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    DumpFileBlockHdr    Hdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Byte order magic. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32ByteOrderMagic;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Major version. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t            u16VersionMajor;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Minor version. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t            u16VersionMinor;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Section length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint64_t            u64SectionLength;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileShb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a Section Header Block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileShb *PDumpFileShb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Interface description block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileIdb
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    DumpFileBlockHdr    Hdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Link type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t            u16LinkType;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Reserved. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t            u16Reserved;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Maximum number of bytes dumped from each packet. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32SnapLen;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileIdb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to an Interface description block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileIdb *PDumpFileIdb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * DumpFile Enhanced packet block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileEpb
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    DumpFileBlockHdr    Hdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Interface ID. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32InterfaceId;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Timestamp (high). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32TimestampHigh;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Timestamp (low). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32TimestampLow;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Captured packet length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32CapturedLen;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Original packet length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t            u32PacketLen;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileEpb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to an Enhanced packet block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileEpb *PDumpFileEpb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB setup URB data.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileUsbSetup
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t    bmRequestType;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t    bRequest;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t   wValue;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t   wIndex;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t   wLength;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileUsbSetup;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileUsbSetup *PDumpFileUsbSetup;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB Isochronous data.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileIsoRec
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int32_t    i32ErrorCount;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int32_t    i32NumDesc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileIsoRec;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileIsoRec *PDumpFileIsoRec;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB packet header (Linux mmapped variant).
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileUsbHeaderLnxMmapped
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Packet Id. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint64_t    u64Id;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Event type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t     u8EventType;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Transfer type. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t     u8TransferType;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Endpoint number. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t     u8EndpointNumber;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Device address. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t     u8DeviceAddress;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Bus id. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint16_t    u16BusId;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Setup flag != 0 if the URB setup header is not present. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t     u8SetupFlag;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Data present flag != 0 if the URB data is not present. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t     u8DataFlag;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Timestamp (second part). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint64_t    u64TimestampSec;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Timestamp (us part). */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t    u32TimestampUSec;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Status. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int32_t     i32Status;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** URB length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t    u32UrbLength;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Recorded data length. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t    u32DataLength;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Union of data for different URB types. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    union
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        DumpFileUsbSetup    UsbSetup;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        DumpFileIsoRec      IsoRec;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    } u;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int32_t     i32Interval;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int32_t     i32StartFrame;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Copy of transfer flags. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t    u32XferFlags;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Number of isochronous descriptors. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t    u32NumDesc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileUsbHeaderLnxMmapped;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to a USB packet header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileUsbHeaderLnxMmapped *PDumpFileUsbHeaderLnxMmapped;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsyncAssertCompileSize(DumpFileUsbHeaderLnxMmapped, 64);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * USB packet isochronous descriptor.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct DumpFileUsbIsoDesc
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int32_t     i32Status;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t    u32Offset;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t    u32Len;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t     au8Padding[4];
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} DumpFileUsbIsoDesc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef DumpFileUsbIsoDesc *PDumpFileUsbIsoDesc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/*******************************************************************************
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*   Structures and Typedefs                                                    *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync*******************************************************************************/
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * The internal VUSB sniffer state.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef struct VUSBSNIFFERINT
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** The file handle to dump to. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    RTFILE            hFile;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Current size of the block being written. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t          cbBlockCur;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Maximum size allocated for the block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t          cbBlockMax;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Current block header. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    PDumpFileBlockHdr pBlockHdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /** Pointer to the block data which will be written on commit. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t          *pbBlockData;
359f2915f947abde1bba4358eada89941ee87cccvboxsync    /** Fast Mutex protecting the state against concurrent access. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync    RTSEMFASTMUTEX    hMtx;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync} VUSBSNIFFERINT;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/** Pointer to the internal VUSB sniffer state. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsynctypedef VUSBSNIFFERINT *PVUSBSNIFFERINT;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Allocates additional space for the block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync *
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.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncstatic void *vusbSnifferBlockAllocSpace(PVUSBSNIFFERINT pThis, uint32_t cbAdditional)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /* Fast path where we have enough memory allocated. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (pThis->cbBlockCur + cbAdditional <= pThis->cbBlockMax)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        void *pv = pThis->pbBlockData + pThis->cbBlockCur;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->cbBlockCur += cbAdditional;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        return pv;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /* Allocate additional memory. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint32_t cbNew = pThis->cbBlockCur + cbAdditional;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    uint8_t *pbDataNew = (uint8_t *)RTMemRealloc(pThis->pbBlockData, cbNew);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (pbDataNew)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->pbBlockData = pbDataNew;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->pBlockHdr   = (PDumpFileBlockHdr)pbDataNew;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        void *pv = pThis->pbBlockData + pThis->cbBlockCur;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->cbBlockCur = cbNew;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->cbBlockMax = cbNew;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        return pv;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    return NULL;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync}
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync/**
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync * Adds new data to the current block.
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync *
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.
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync */
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsyncstatic int vusbSnifferBlockAddData(PVUSBSNIFFERINT pThis, const void *pvData, uint32_t cbData)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync{
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    int rc = VINF_SUCCESS;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    Assert(pThis->cbBlockCur);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    AssertPtr(pThis->pBlockHdr);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    void *pv = vusbSnifferBlockAllocSpace(pThis, cbData);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    if (pv)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        memcpy(pv, pvData, cbData);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    else
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        rc = VERR_NO_MEMORY;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    return rc;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync}
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * Aligns the current block data to a 32bit boundary.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns VBox status code.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param   pThis           The VUSB sniffer instance.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
3913cd08445c46b26002468dfb336d50e0de65e7vboxsyncstatic int vusbSnifferBlockAlign(PVUSBSNIFFERINT pThis)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int rc = VINF_SUCCESS;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    Assert(pThis->cbBlockCur);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    /* Pad to 32bits. */
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    uint8_t abPad[3] = { 0 };
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    uint32_t cbPad = RT_ALIGN_32(pThis->cbBlockCur, 4) - pThis->cbBlockCur;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    Assert(cbPad <= 3);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    if (cbPad)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        rc = vusbSnifferBlockAddData(pThis, abPad, cbPad);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    return rc;
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync}
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync/**
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * Commits the current block to the capture file.
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync *
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * @returns VBox status code.
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync * @param   pThis           The VUSB sniffer instance.
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync */
3913cd08445c46b26002468dfb336d50e0de65e7vboxsyncstatic int vusbSnifferBlockCommit(PVUSBSNIFFERINT pThis)
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync{
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    int rc = VINF_SUCCESS;
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    AssertPtr(pThis->pBlockHdr);
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    rc = vusbSnifferBlockAlign(pThis);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    if (RT_SUCCESS(rc))
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        /* Update the block total length field. */
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        uint32_t *pcbTotalLength = (uint32_t *)vusbSnifferBlockAllocSpace(pThis, 4);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        if (pcbTotalLength)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        {
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync            *pcbTotalLength = pThis->cbBlockCur;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync            pThis->pBlockHdr->u32BlockTotalLength = pThis->cbBlockCur;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync            /* Write the data. */
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync            rc = RTFileWrite(pThis->hFile, pThis->pbBlockData, pThis->cbBlockCur, NULL);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync            pThis->cbBlockCur = 0;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync            pThis->pBlockHdr  = NULL;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        }
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        else
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync            rc = VERR_NO_MEMORY;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    return rc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync}
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Starts a new block for capturing.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync *
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.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncstatic int vusbSnifferBlockNew(PVUSBSNIFFERINT pThis, PDumpFileBlockHdr pBlockHdr, uint32_t cbData)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int rc = VINF_SUCCESS;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /* Validate we don't get called while another block is active. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    Assert(!pThis->cbBlockCur);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    Assert(!pThis->pBlockHdr);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    pThis->pBlockHdr = (PDumpFileBlockHdr)vusbSnifferBlockAllocSpace(pThis, cbData);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (pThis->pBlockHdr)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        memcpy(pThis->pBlockHdr, pBlockHdr, cbData);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    else
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        rc = VERR_NO_MEMORY;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    return rc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync}
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Add a new option to the current block.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync *
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.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncstatic int vusbSnifferAddOption(PVUSBSNIFFERINT pThis, uint16_t u16OptionCode, const void *pvOption, uint16_t cbOption)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int rc = VINF_SUCCESS;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    DumpFileOptionHdr OptHdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    OptHdr.u16OptionCode   = u16OptionCode;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    OptHdr.u16OptionLength = cbOption;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    rc = vusbSnifferBlockAddData(pThis, &OptHdr, sizeof(OptHdr));
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (   RT_SUCCESS(rc)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        && u16OptionCode != DUMPFILE_OPTION_CODE_END
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        && cbOption != 0)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        rc = vusbSnifferBlockAddData(pThis, pvOption, cbOption);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        if (RT_SUCCESS(rc))
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync            rc = vusbSnifferBlockAlign(pThis);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    return rc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync}
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncDECLHIDDEN(int) VUSBSnifferCreate(PVUSBSNIFFER phSniffer, uint32_t fFlags,
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                                  const char *pszCaptureFilename, const char *pszDesc)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int rc = VINF_SUCCESS;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    PVUSBSNIFFERINT pThis = NULL;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    pThis = (PVUSBSNIFFERINT)RTMemAllocZ(sizeof(VUSBSNIFFERINT));
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (pThis)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->hFile       = NIL_RTFILE;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->cbBlockCur  = 0;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->cbBlockMax  = 0;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        pThis->pbBlockData = NULL;
359f2915f947abde1bba4358eada89941ee87cccvboxsync        pThis->hMtx        = NIL_RTSEMFASTMUTEX;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync        rc = RTSemFastMutexCreate(&pThis->hMtx);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        if (RT_SUCCESS(rc))
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        {
84dc976c881418db3750f92b02280bf987c035c7vboxsync            rc = RTFileOpen(&pThis->hFile, pszCaptureFilename, RTFILE_O_DENY_NONE | RTFILE_O_CREATE_REPLACE | RTFILE_O_WRITE | RTFILE_O_READ);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            if (RT_SUCCESS(rc))
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                /* Write header and link type blocks. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                DumpFileShb Shb;
359f2915f947abde1bba4358eada89941ee87cccvboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                Shb.Hdr.u32BlockType        = DUMPFILE_SHB_BLOCK_TYPE;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                Shb.Hdr.u32BlockTotalLength = 0; /* Filled out by lower layer. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                Shb.u32ByteOrderMagic       = DUMPFILE_SHB_BYTE_ORDER_MAGIC;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                Shb.u16VersionMajor         = DUMPFILE_SHB_VERSION_MAJOR;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                Shb.u16VersionMinor         = DUMPFILE_SHB_VERSION_MINOR;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                Shb.u64SectionLength        = UINT64_C(0xffffffffffffffff); /* -1 */
359f2915f947abde1bba4358eada89941ee87cccvboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                /* Write the blocks. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                rc = vusbSnifferBlockNew(pThis, &Shb.Hdr, sizeof(Shb));
359f2915f947abde1bba4358eada89941ee87cccvboxsync                if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    const char *pszOpt = RTBldCfgTargetDotArch();
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_HARDWARE, pszOpt, strlen(pszOpt) + 1);
359f2915f947abde1bba4358eada89941ee87cccvboxsync                }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                if (RT_SUCCESS(rc))
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    char szTmp[512];
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    size_t cbTmp = sizeof(szTmp);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    RT_ZERO(szTmp);
359f2915f947abde1bba4358eada89941ee87cccvboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    /* Build the OS code. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    rc = RTSystemQueryOSInfo(RTSYSOSINFO_PRODUCT, szTmp, cbTmp);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                    if (RT_SUCCESS(rc))
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                    {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        size_t cb = strlen(szTmp);
359f2915f947abde1bba4358eada89941ee87cccvboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                        szTmp[cb] = ' ';
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        rc = RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, &szTmp[cb + 1], cbTmp - (cb + 1));
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                            cb = strlen(szTmp);
359f2915f947abde1bba4358eada89941ee87cccvboxsync                            szTmp[cb] = ' ';
359f2915f947abde1bba4358eada89941ee87cccvboxsync                            rc = RTSystemQueryOSInfo(RTSYSOSINFO_VERSION, &szTmp[cb + 1], cbTmp - (cb + 1));
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                    }
359f2915f947abde1bba4358eada89941ee87cccvboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    if (RT_SUCCESS(rc) || rc == VERR_BUFFER_OVERFLOW)
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_OS, szTmp, strlen(szTmp) + 1);
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    else
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        rc = VINF_SUCCESS; /* Skip OS code if building the string failed. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    /** @todo: Add product info. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_END, NULL, 0);
359f2915f947abde1bba4358eada89941ee87cccvboxsync                if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    rc = vusbSnifferBlockCommit(pThis);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                /* Write Interface descriptor block. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    DumpFileIdb Idb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    Idb.Hdr.u32BlockType        = DUMPFILE_IDB_BLOCK_TYPE;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    Idb.Hdr.u32BlockTotalLength = 0; /* Filled out by lower layer. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    Idb.u16LinkType             = DUMPFILE_IDB_LINK_TYPE_USB_LINUX_MMAPED;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    Idb.u16Reserved             = 0;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    Idb.u32SnapLen              = UINT32_C(0xffffffff);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    rc = vusbSnifferBlockNew(pThis, &Idb.Hdr, sizeof(Idb));
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        uint8_t u8TsResolution = 9; /* Nano second resolution. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        /* Add timestamp resolution option. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        rc = vusbSnifferAddOption(pThis, DUMPFILE_IDB_OPTION_TS_RESOLUTION,
359f2915f947abde1bba4358eada89941ee87cccvboxsync                                                  &u8TsResolution, sizeof(u8TsResolution));
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    }
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_END, NULL, 0);
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync                        rc = vusbSnifferBlockCommit(pThis);
359f2915f947abde1bba4358eada89941ee87cccvboxsync                }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                if (RT_SUCCESS(rc))
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                {
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    *phSniffer = pThis;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                    return VINF_SUCCESS;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync                RTFileClose(pThis->hFile);
359f2915f947abde1bba4358eada89941ee87cccvboxsync                pThis->hFile = NIL_RTFILE;
359f2915f947abde1bba4358eada89941ee87cccvboxsync                RTFileDelete(pszCaptureFilename);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            }
359f2915f947abde1bba4358eada89941ee87cccvboxsync            RTSemFastMutexDestroy(pThis->hMtx);
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync            pThis->hMtx = NIL_RTSEMFASTMUTEX;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        }
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync        RTMemFree(pThis);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    else
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        rc = VERR_NO_MEMORY;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    return rc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync}
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Destroys the given VUSB sniffer instance.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync *
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @returns nothing.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * @param   hSniffer              The sniffer instance to destroy.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncDECLHIDDEN(void) VUSBSnifferDestroy(VUSBSNIFFER hSniffer)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    PVUSBSNIFFERINT pThis = hSniffer;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync    int rc = RTSemFastMutexRequest(pThis->hMtx);
359f2915f947abde1bba4358eada89941ee87cccvboxsync    AssertRC(rc);
359f2915f947abde1bba4358eada89941ee87cccvboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (pThis->hFile != NIL_RTFILE)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        RTFileClose(pThis->hFile);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (pThis->pbBlockData)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        RTMemFree(pThis->pbBlockData);
359f2915f947abde1bba4358eada89941ee87cccvboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync    RTSemFastMutexRelease(pThis->hMtx);
359f2915f947abde1bba4358eada89941ee87cccvboxsync    RTSemFastMutexDestroy(pThis->hMtx);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    RTMemFree(pThis);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync}
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync/**
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync * Records an VUSB event.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync *
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.
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsyncDECLHIDDEN(int) VUSBSnifferRecordEvent(VUSBSNIFFER hSniffer, PVUSBURB pUrb, VUSBSNIFFEREVENT enmEvent)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync{
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    int rc = VINF_SUCCESS;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    PVUSBSNIFFERINT pThis = hSniffer;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    DumpFileEpb Epb;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    DumpFileUsbHeaderLnxMmapped UsbHdr;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    DumpFileUsbSetup UsbSetup;
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    RTTIMESPEC TimeNow;
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    uint64_t u64TimestampEvent;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    size_t cbUrbLength = 0;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    uint32_t cbDataLength = 0;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    uint32_t cbCapturedLength = sizeof(UsbHdr);
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    uint32_t cIsocPkts = 0;
fecc764a4829c173ac232195b5cdf8d060dc5576vboxsync    uint8_t *pbData = NULL;
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    RTTimeNow(&TimeNow);
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync    u64TimestampEvent = RTTimeSpecGetNano(&TimeNow);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    /* Start with the enhanced packet block. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    Epb.Hdr.u32BlockType        = DUMPFILE_EPB_BLOCK_TYPE;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    Epb.Hdr.u32BlockTotalLength = 0;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    Epb.u32InterfaceId          = 0;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    Epb.u32TimestampHigh        = (u64TimestampEvent >> 32) & UINT32_C(0xffffffff);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    Epb.u32TimestampLow         = u64TimestampEvent & UINT32_C(0xffffffff);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.u64Id = (uint64_t)pUrb; /** @todo: check whether the pointer is a good ID. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    switch (enmEvent)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBSNIFFEREVENT_SUBMIT:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            UsbHdr.u8EventType = DUMPFILE_USB_EVENT_TYPE_SUBMIT;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            cbUrbLength = pUrb->cbData;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            break;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBSNIFFEREVENT_COMPLETE:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            UsbHdr.u8EventType = DUMPFILE_USB_EVENT_TYPE_COMPLETE;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            cbUrbLength = pUrb->cbData;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            break;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBSNIFFEREVENT_ERROR_SUBMIT:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBSNIFFEREVENT_ERROR_COMPLETE:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            UsbHdr.u8EventType = DUMPFILE_USB_EVENT_TYPE_ERROR;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            break;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        default:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            AssertMsgFailed(("Invalid event type %d\n", enmEvent));
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    cbDataLength = cbUrbLength;
fecc764a4829c173ac232195b5cdf8d060dc5576vboxsync    pbData = &pUrb->abData[0];
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    switch (pUrb->enmType)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBXFERTYPE_ISOC:
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync        {
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync                int32_t i32ErrorCount = 0;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                UsbHdr.u8TransferType = 0;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync                cIsocPkts = pUrb->cIsocPkts;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync                for (unsigned i = 0; i < cIsocPkts; i++)
5ef77498a407e49995c654a15755f35125acba5fvboxsync                    if (   pUrb->aIsocPkts[i].enmStatus != VUSBSTATUS_OK
5ef77498a407e49995c654a15755f35125acba5fvboxsync                        && pUrb->aIsocPkts[i].enmStatus != VUSBSTATUS_NOT_ACCESSED)
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync                        i32ErrorCount++;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync                UsbHdr.u.IsoRec.i32ErrorCount = i32ErrorCount;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync                UsbHdr.u.IsoRec.i32NumDesc    = pUrb->cIsocPkts;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync                cbCapturedLength += cIsocPkts * sizeof(DumpFileUsbIsoDesc);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                break;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync        }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBXFERTYPE_BULK:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                UsbHdr.u8TransferType = 3;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                break;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBXFERTYPE_INTR:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                UsbHdr.u8TransferType = 1;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                break;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBXFERTYPE_CTRL:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        case VUSBXFERTYPE_MSG:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                UsbHdr.u8TransferType = 2;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync                break;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        default:
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync            AssertMsgFailed(("invalid transfer type %d\n", pUrb->enmType));
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    if (pUrb->enmDir == VUSBDIRECTION_IN)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    {
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync        if (enmEvent == VUSBSNIFFEREVENT_SUBMIT)
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            cbDataLength = 0;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    }
5ef77498a407e49995c654a15755f35125acba5fvboxsync    else if (pUrb->enmDir == VUSBDIRECTION_OUT)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    {
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync        if (   enmEvent == VUSBSNIFFEREVENT_COMPLETE
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            || pUrb->enmType == VUSBXFERTYPE_CTRL
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            || pUrb->enmType == VUSBXFERTYPE_MSG)
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            cbDataLength = 0;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    }
fecc764a4829c173ac232195b5cdf8d060dc5576vboxsync    else if (pUrb->enmDir == VUSBDIRECTION_SETUP)
fecc764a4829c173ac232195b5cdf8d060dc5576vboxsync        cbDataLength -= sizeof(VUSBSETUP);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    Epb.u32CapturedLen = cbCapturedLength + cbDataLength;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    Epb.u32PacketLen   = cbCapturedLength + cbUrbLength;
3913cd08445c46b26002468dfb336d50e0de65e7vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    UsbHdr.u8EndpointNumber = pUrb->EndPt | (pUrb->enmDir == VUSBDIRECTION_IN ? 0x80 : 0x00);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.u8DeviceAddress  = pUrb->DstAddress;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.u16BusId         = 0;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    UsbHdr.u8DataFlag       = cbDataLength ? 0 : 1;
5ef77498a407e49995c654a15755f35125acba5fvboxsync    UsbHdr.u64TimestampSec  = u64TimestampEvent / RT_NS_1SEC_64;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.u32TimestampUSec = u64TimestampEvent / RT_NS_1US_64 - UsbHdr.u64TimestampSec * RT_US_1SEC;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.i32Status        = pUrb->enmStatus;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    UsbHdr.u32UrbLength     = cbUrbLength;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    UsbHdr.u32DataLength    = cbDataLength + cIsocPkts * sizeof(DumpFileUsbIsoDesc);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.i32Interval      = 0;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.i32StartFrame    = 0;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    UsbHdr.u32XferFlags     = 0;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync    UsbHdr.u32NumDesc       = cIsocPkts;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    if (   (pUrb->enmType == VUSBXFERTYPE_MSG || pUrb->enmType == VUSBXFERTYPE_CTRL)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        && enmEvent == VUSBSNIFFEREVENT_SUBMIT)
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        PVUSBSETUP pSetup = (PVUSBSETUP)pUrb->abData;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        UsbHdr.u.UsbSetup.bmRequestType = pSetup->bmRequestType;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        UsbHdr.u.UsbSetup.bRequest      = pSetup->bRequest;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        UsbHdr.u.UsbSetup.wValue        = pSetup->wValue;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        UsbHdr.u.UsbSetup.wIndex        = pSetup->wIndex;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync        UsbHdr.u.UsbSetup.wLength       = pSetup->wLength;
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        UsbHdr.u8SetupFlag              = 0;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    }
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync    else
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        UsbHdr.u8SetupFlag  = '-'; /* Follow usbmon source here. */
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync    /* Write the packet to the capture file. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync    rc = RTSemFastMutexRequest(pThis->hMtx);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    if (RT_SUCCESS(rc))
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    {
359f2915f947abde1bba4358eada89941ee87cccvboxsync        rc = vusbSnifferBlockNew(pThis, &Epb.Hdr, sizeof(Epb));
359f2915f947abde1bba4358eada89941ee87cccvboxsync        if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync            rc = vusbSnifferBlockAddData(pThis, &UsbHdr, sizeof(UsbHdr));
359f2915f947abde1bba4358eada89941ee87cccvboxsync
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync        /* Add Isochronous descriptors now. */
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync        for (unsigned i = 0; i < cIsocPkts && RT_SUCCESS(rc); i++)
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        {
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            DumpFileUsbIsoDesc IsoDesc;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            IsoDesc.i32Status = pUrb->aIsocPkts[i].enmStatus;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            IsoDesc.u32Offset = pUrb->aIsocPkts[i].off;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            IsoDesc.u32Len    = pUrb->aIsocPkts[i].cb;
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            rc = vusbSnifferBlockAddData(pThis, &IsoDesc, sizeof(IsoDesc));
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync        }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync        /* Record data. */
359f2915f947abde1bba4358eada89941ee87cccvboxsync        if (   RT_SUCCESS(rc)
69d98a445b29f294fe2aa4c3ba9a24f1da9ae5b2vboxsync            && cbDataLength)
fecc764a4829c173ac232195b5cdf8d060dc5576vboxsync            rc = vusbSnifferBlockAddData(pThis, pbData, cbDataLength);
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync        if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync            rc = vusbSnifferAddOption(pThis, DUMPFILE_OPTION_CODE_END, NULL, 0);
0a7c9cc36ee176228eab4150144ad2561b0c4647vboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync        if (RT_SUCCESS(rc))
359f2915f947abde1bba4358eada89941ee87cccvboxsync            rc = vusbSnifferBlockCommit(pThis);
359f2915f947abde1bba4358eada89941ee87cccvboxsync
359f2915f947abde1bba4358eada89941ee87cccvboxsync        RTSemFastMutexRelease(pThis->hMtx);
359f2915f947abde1bba4358eada89941ee87cccvboxsync    }
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync    return rc;
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync}
2b73ea648457a8fb1ec027d1eeea63f879dad507vboxsync