Ostinato 1.3.0

Release Date: 2023-10-19

Added

• Added per-stream average latency and jitter measurement
• Include row/column headers when pasting stream stats as text
• Use Outer/Inner prefix for fields of combo protocols such as IP4o4 to distinguish them
• Double-click port name to edit port configuration properties (#344)
• Allow user to add a port decription (#223)
• Show port name/description in Ports Window
• Warn about per-stream stats not supported for ICMP streams

Changed

• Improve Port stats window
  • Remove port byte rate stats as bit rates are more useful
  • Change port stats names to always start with send/receive
  • Reorder port stats to make them consistent wrt send/receive
  • Group related port stats together
• Try to fit all columns within stream stats window to avoid unnecessary scrolling
• Improve IPv4 address user input for IPv4 protocol config

Fixed

• Fix Ostinato GUI crash when opening a session file or when adding/removing a portgroup - regression introduced in v1.2.0
• Fix spurious stream stats drops - regression introduced with v1.2.0
• Fix drone crash at startup on Linux. The crash is seen when the main routing table has a default route without a gateway
• Write string/hexstring value correctly when saving stream(s) as Python script
• Fix helpful message not being displayed when missing packet.dll on Windows
• Fix potential contention for stream stats update
• Fix per-stream stats not working for VLAN tagged packets (#354)
• Fix missing port status when pasting port stats as text

Ostinato 1.2.0

Release Date: 2022-08-15

In memory of Viswa

Added

• Add new Protocol - GRE (accessible via advanced protocol selection)
• Add new per-stream stats fields - duration, avg tx/rx packet and bit rates
• Warn about retreiving stream stats from a transmitting port as they may be unavailable or incomplete (#334)
• Add IMIX as a Frame Length mode - frame lengths 64, 594, 1518 in 7:4:1 ratio
• Improve UI/UX of configuring port traffic rates - show port speed, allow input as % load, change port bit rate unit automatically for better readability; allow k, m suffixes for easier input of pps/bps
• Add Find & Replace for protocol fields to bulk edit streams easily - useful especially for pcap editing post import
• Add Recalculate Checksums option to PCAP intelligent import
• Improve nanosec PCAP support
  • Read nanosec PCAP files natively in non-pdml mode (#238)
  • Use nsec pcap as intermediate format when opening non-pcap
  • Save PCAP always in nanosecond PCAP format
• Add (experimental) Ostinato GUI themes
• Warn user that stream stats may not work in case of short packets
• Add Ctrl-C graceful cleanup for Drone on Windows

Changed

• Display streams in order of GUID in the stream stats window
• When stream stats tab is closed, select the previous tab - usually, the port stats tab - instead of the tab to the right (#331)
• Reorganize application main menu by introducing two top level menus - Streams, Devices
• Wait 500ms for ARP/NDP to resolve (#318)
• Support 0 (top-speed) rate for interleaved streams - all streams will be sent at the same rate (#318)
• Changes in common infra code to support Turbo add-on

Fixed

• Fix count of variable length packets which may some time lead to very long apply time (#325)
• Fix unknown GUID 4294967295 in stream statistics
• Fix port reservation getting cleared incorrectly when other port config properties were modified, but not the port reservation (#317)
• Fix wrong stream getting disabled in interleaved mode (#328)
• Close existing RPC connections at Drone exit to avoid assert crash (#314)
• Gracefully handle portgroup disconnect during Apply so that the GUI remains usable (#326)
• Fix incorrect display of STP Mac addresses in the STP config widget (#340)
• Try to automatically reconnect with drone after disconnect (#333)
• Fix incorrect UDP/ICMP checksums when their payload contains other protocols with checksum fields like VxLAN or Geneve
• Fix disabled start/stop buttons after opening a streams file (#312)
• Show/hide the Next column in stream list on Transmit mode change
• Fix occassional GUI crash when deleting a port group
• Fix colors in stream stats window in dark mode to make text readable

Ostinato 1.1

Release Date: 2020-06-19

Added

• Cut, copy, paste support added for streams, device groups, stats and logs
• Import PCAPNG and any other Wireshark supported file format for PCAP import (#83)
• Added support for npcap on Windows; npcap support is beta quality for now (#236)
• Large animated notification in case of errors and warnings

Changed

• Improved PCAP import with tshark 2.x/3.x
• Improved PCAP replay timing accuracy
• Improved handling of multiple simultaneous port groups by making their handling independent
• When reset to default view, all selections and current index are also cleared
• Set top and bottom dock windows to equal height at startup
• File paths in preferences can be specified directly; using the file picker dialog is optional (#288)

Fixed

• Linux only - fix drone crash at startup if one of the ports doesn't have a link layer (mac) address (#298)
• Fix drone crash due to contention between emulation packet processing thread and emulation device configuration threads
• Gracefully abort the connection with a helpful message if bad data is received from drone instead of crashing
• Fix device emulation packets with VLAN and CFI or Prio bits set not matching the emulated device having same VLAN as the packet
• Fix incorrect IPv6 src/dst address when set to increment/decrement mode (#283)
• Fix IPv6 stream configuration src/dst address prefix length in the GUI not being saved correctly
• Fix valid IP addresses not being accepted in the IGMPv3 Source List field of a IGMPv3 stream (#292)
• Fix incorrect IGMPv3 Group Aux Data in a IGMPv3 stream
• Allow full range for a variable field - 0 to max (#301)
• Change raw_input to input in stream saved as python script so that it is compatible with both Python 2 and 3
• Allow avg rate change in streams pane from 0 to > 0 in the GUI (#294)
• Fix jumbo error being reported multiple times during pre-flight check (#290)
• Fix sort order of devices to VLANs+Mac (#289)
• Fix .app path setting in preferences on Mac not working (#288)
• Fix stream stats setting not being saved in a Ostinato session file
• Fix 'awk not found' message during PCAP import
• Show packet summary line correctly in PCAP import diff

Ostinato 1.0

Release Date: 2019-09-07

Added

• Host Devices - use host OS' IP address and ARP/NDP resolution
• Custom widget to enter TOS/DSCP/ECN values for IPv4/IPv6 protocols
• More checks to warn users about potentially bad or unexpected packets when editing streams
• Transmit/capture status icons for each port in the port list
• Rx/Tx bps (bits per second) rows to the Port Statistics window
• Logs window to show communication with the agent and failures/errors, if any
• Start/Stop Transmit buttons to Stream List window
• Resolve/Clear ARP/NDP buttons to Device Info window
• New build RPC to explicitly prebuild packets for transmission
• Implicit Src/Dst mac address resolution when clicking Apply
• Progress Bar during Apply
• New menu item - Help | Check for Updates
• New menu item - Help | Donate

Changed

• Code ported from Qt4 to Qt5
• Improved UI/UX for variable fields widget
• Mac Protocol - default mode changed from fixed to resolve (may break scripts using the API if they assumed fixed)
• Mac Protocol - accept : or - as mac address separator characters
• IPv4 Protocol - when importing from PCAP, import IP options into ip.options field instead of a separate HexDump protocol
• Ack message - enum kRpcFail renamed as kRpcError
• New version availability is shown in a message box instead of in the status bar
• Debug logs are disabled by default (provide -d on command-line to enable)
• Resolve will trigger ARP/NDP from emulated devices if they are unresolved
• Resolve will not send ARP/NDP if already resolved
• Port Statistics window shows status icons instead of text for link state and transmit/capture state
• Use Windows' connection name as the port description (#222)
• The full Ostinato logo is used as the icon instead of only a part of the logo

Fixed

• On some Linux platforms, Drone and Ostinato block when stopping capture, disabling stream statistics tracking or removing last emulated device group (#215, #234)
• Clear All Statistics does not work when "View reserved ports only" is selected
• Reserved ports are not shown in Port Statistics window at GUI controller startup
• Build failure in mld.cpp on some platforms (#265)
• Pcap imported streams send 10 packets for each imported packet instead of one
• Allow stream rates to be entered with thousands' separator characters (typically, comma) (#240)
• HexDump protocol - pad effective only if this is the last protocol in the packet
• TCP/UDP/ICMP checksums are incorrect if packet has a IPv6 Extension header (#271)
• Ostinato (and Drone) hang when building packets in interleaved mode on a port which has one or more streams configured, but none are enabled
• Variable fields of type Counter32 not able to count/step more than 65535

Ostinato 0.9

Release Date: 2017-12-10

• Per stream statistics
• Support for IPv4 options field (as a hex string)
• Ostinato command line options and params
• Ostinato UX improvements
• Ostinato Python API re-licensed under a proprietary license to help sustain project
• Bugfixes
  • Ostinato crashes, when opening PCAP containing STP packets (#213)
  • Hexdump input requires lowercase letters (#212)
  • Hexdump data input widget doesn't have focus (#103)
  • Delete streams in Interleaved mode takes a very long time (#195)
  • When emulating devices, use default gateway for off-subnet destinations (#196)
• Multicast destination IP address should resolve to a multicast destination mac address (#192)
• Fix IPv4/IPv6 PCAP/PDML import errors using tshark 2.x (#219)

Ostinato 0.8

Release Date: 2016-06-28

• Device Emulation (IPv4/IPv6)
  • Auto ARP/NDP resolution for streams
  • Ping
• Save/Restore session
• Add port group now accepts IPv4/IPv6 address or hostname (#152)
• Specify Rate Accuracy to conserve CPU usage (#151)
• New Protocol(s)
  • STP
• Bugfixes
  • TCP/UDP checksum incorrect for stream with increment/decrement packet length (#175)
  • Drone crashes on startup on some Linux machines (#174)
  • Ostinato GUI crashes when connected to a Drone with a lot of ports
  • Save as Python script of HexDump Protocol is incorrect (#170)
  • Increment/Decrement/Random length packets are not generated (#168)
  • A calculated UDP checksum of 0 should be set as 0xFFFF (#160)
  • Save as Python script of stream containing Variable Field is incorrect (#158)
  • Incorrect Transmit Rate when sending bursts (#157)

Ostinato 0.7.1

Release Date: 2015-06-16

• Bugfix - GUI crashes on clicking View Capture button (#153)

Ostinato 0.7

Release Date: 2015-06-09

• Drone settings to specify include/exclude portlists (#122)
• Ostinato client GUI checks for version updates at startup
• 64bit stats support for Linux (if supported by Kernel and Driver) (#70)
• Save streams as a python script from the GUI
• Duplicate streams (#23)
• Port Reservation; Show my reserved ports only (#144)
• Restore Default View (#68)
• Variable Fields (#31, #84, #110, #127)
• Bugfixes (several)

Ostinato 0.6

Release Date: 2014-07-07

• Rearchitected/refactored the protocol builder framework to remove GUI dependency from Drone
• Added Python bindings for scripting support
• Multiple clients can now simultaneously connect to the same Drone instance (#22)
• Clients now need to check for version compatibility with Drone at startup
• Bugfixes
  • IGMPv3/MLDv2 Query missing Group Address Field (#107)
  • Start/Stop Transmit/Capture RPCs should return only after the invoked operation is complete
  • Port names in the port stats window are incorrect

Ostinato 0.5.1

Release Date: 2012-08-01

• Link state and improved statistics support for Linux, BSD and Mac OSX
• Bugfixes
  • Fixed long inter-packet delay bug in interleaved mode due to which stream transmission could not be stopped (#60, #72, #74)
  • Fixed long inter-packet delay on some Win32 platforms (#66)
  • Fixed crash at init when pcap wasn't able to open an interface (#64)
  • Fixed incorrect TCP checksum when it is overridden (#58)