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| NetPacket::USBMon(3) | User Contributed Perl Documentation | NetPacket::USBMon(3) |
NAME
NetPacket::USBMon - Assemble and disassemble USB packets captured via Linux USBMon interface.VERSION
version 1.6.0SYNOPSIS
use NetPacket::USBMon; $usb = NetPacket::USBMon->decode($raw_pkt);
DESCRIPTION
"NetPacket::USBMon" is a NetPacket decoder of USB packets captured via Linux USBMon interface.Methods
- "NetPacket::USBMon->decode([RAW PACKET])"
- Decode a USB packet.
Instance data
The instance data for the "NetPacket::UDP" object consists of the following fields.- id
- An in-kernel address of the USB Request Block (URB). Stays the same for
the transaction submission and completion.
Might be truncatted when reading a 64-bit capture with 32-bit file.
- type
- URB type. Character 'S', 'C' or 'E', for constants USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK or USB_TYPE_ERROR.
- xfer_type
- Transfer type. USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR, USB_XFER_TYPE_CONTROL or USB_XFER_TYPE_BULK.
- ep
- Endpoint identification.
- num
- Endpoint number.
- dir
- Transfer direction. "IN" or "OUT".
- devnum
- Device address.
- busnum
- Bus number.
- flag_setup
- Indicates whether setup is present and makes sense.
- flag_data
- Indicates whether data is present and makes sense.
- ts_sec
- Timestamp seconds since epoch. Subject to truncation with 32-bit Perl, which should be fine until 2038.
- ts_usec
- Timestamp microseconds.
- status
- URB status. Negative errno.
- length
- Length of data (submitted or actual).
- len_cap
- Delivered length
- setup
- Only present for packets with setup_flag turned on. Some contents are dependent on actual request type.
- bmRequestType
- bRequest
- wValue
- wIndex
- wLength
- iso
- Only present for isochronous transfers.
- error_count
- numdesc
- interval
- Isochronous packet response rate.
- start_frame
- Only applicable to isochronous transfers.
- xfer_flags
- A copy of URB's transfer_flags.
- ndesc
- Actual number of isochronous descriptors.
- data
- Packet payload.
Exports
- default
- none
- exportable
- USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK, USB_TYPE_ERROR, USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR, USB_XFER_TYPE_CONTROL, USB_XFER_TYPE_BULK, USB_FLAG_SETUP_IRRELEVANT, USB_FLAG_SETUP_RELEVANT, USB_FLAG_DATA_ERROR, USB_FLAG_DATA_INCOMING, USB_FLAG_DATA_OUTGOING, USB_FLAG_DATA_PRESENT, USB_TYPE_VENDOR
- tags
- The following tags group together related exportable items.
- ":types"
- USB_TYPE_SUBMISSION, USB_TYPE_CALLBACK, USB_TYPE_ERROR
- ":xfer_types"
- USB_XFER_TYPE_ISO, USB_XFER_TYPE_INTR, USB_XFER_TYPE_CONTROL, USB_XFER_TYPE_BULK
- ":setup_flags"
- USB_FLAG_SETUP_IRRELEVANT, USB_FLAG_SETUP_RELEVANT
- ":data_flags"
- USB_FLAG_DATA_ERROR, USB_FLAG_DATA_INCOMING, USB_FLAG_DATA_OUTGOING, USB_FLAG_DATA_PRESENT
- ":setup_types"
- USB_TYPE_VENDOR
- ":ALL"
- All the above exportable items.
COPYRIGHT
Copyright (c) 2013 Lubomir Rintel.This module is free software. You can redistribute it and/or modify it under the same terms as Perl itself.
AUTHOR
Lubomir Rintel <lkundrak@v3.sk>| 2015-03-13 | perl v5.32.1 |
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