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CHANGELOG.rst

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Changelog

All notable changes to the of_core NApp will be documented in this file.

[UNRELEASED] - Under development

Added

Changed

Deprecated

Removed

Fixed

Security

[1.6.1] - 2021-05-26

Added

  • New event kytos/of_core.flow_stats.received to notify when new flow statistics are available.
  • Added a custom JSON encoder for OF 1.0 flow representation, solving the JSON UBInt serialization error.
  • Added new event switch.interface.created in handle_port_desc to notify when a new interface is created.

[1.6.0] - 2021-04-22

Added

  • Added class ActionSetQueue for OpenFlow 1.3.

Changed

  • Improved OFPT_ERROR log message adding dpid and xid info.

Fixed

  • Fixed the string formatting in OFPT_ERROR log message.
  • Updated the default table_id value in the FlowBase class to fix an error in the consistency check.

[1.5.1] - 2020-12-23

Added

  • Added support for requesting port statistics.
  • Implemented FlowBase.__eq__ to allow direct comparison between two flows

Changed

  • Changed setup.py to alert when a test fails on Travis.
  • Changed the behavior of the handle_port_desc method, defining the OFPPC_NO_FWD flag on interfaces that Kytos should not send packets to.

Removed

  • Removed debug messages with raw OpenFlow packets

[1.5] - 2020-07-23

Added

  • Added new fields for OpenFlow 1.3, including SCTP source/destination, ARP SPA/TPA/SHA/THA, IPv6 source/destination, MPLS label/TC/BOS, Metadata and Tunnel ID match fields.
  • Added new unit tests.

Changed

  • Updated .coveragerc to ignore .eggs in tests.

Fixed

  • Fixed the handle_port_desc method. Now Interface instances are created using the speed attribute.

[1.4.1] - 2020-05-19

Added

  • Added new unit tests, increasing coverage to 47%.
  • Added '.travis.yml' to enable Travis CI.
  • Added tags decorator to run tests by type and size.

[1.4.0] - 2020-03-09

Changed

  • Changed default value for the flow priority to 0x8000 (215, the default was 0). Now it is a value in the middle of range(0, 2**16).
  • Changed README.rst to include some info badges.

Fixed

  • Fixed some error message log levels from DEBUG to ERROR.
  • Fixed Scrutinizer coverage error.
  • Fixed __init__.py file in tests folder to solve bug when running tests.

[1.3.2] - 2019-12-20

Changed

  • Changed log level of error messages from debug to error.

[1.3.1] - 2019-04-26

Fixed

  • Fixed broken API error on flow module.

[1.3] - 2019-03-15

Added

  • Added OF_ERROR messages on log files
  • Added cookie_mask field on v0x4 version of OpenFlow.

Changed

  • Enabled continuous integration on Scrutinizer.
  • Updated requirements.
  • Updated README.
  • Now, a new interface instance will only be created if the interface does not exists
  • Updated NApp installation.

Removed

  • Removed unnecessary events.
  • Removed unused dependencies.
  • Removed operational status notification.

Fixed

  • Fixed some linter errors.
  • Fixed interface up.down events, removing unnecessary events. Fix #33

[1.2.0] - 2018-04-20

Added

  • Added kytos/of_core.handshake_completed event.
  • Add specific events for port and link up/down.
  • Add Abstract actions in V0x04.
  • Send kytos/of_core.switch.port.created using v0x04.
  • Add statistics and instructions support for OF 1.3.
  • Add PortStats for OF 1.0.
  • Added v0x04 flow support.
  • Generate port Created event.
  • Add update_flow_list for v0x04.
  • Added method to update interfaces for OF1.3 switches.
  • Added changelog for of_core NApp.
  • Answer Hello with the same version as the switch's.
  • Send SetConfig to datapath right after the handshake.
  • Send Echo Requests to datapath periodically.
  • Adding dependencies in kytos.json.
  • Make unpack get lib version from message header.
  • Support more pyof libs versions and emmit version specific events.

Changed

  • Improvements for the OpenFlow 1.3 Handshake.
  • Moved Interface import.
  • Adapt the NApp to changes in python-openflow.
  • Avoid wrong NApp naming.
  • Deal with PortStatus the proper way.
  • Deal with multiple flow stats multipart replies.
  • Return proper Flow class for a switch.
  • Save generic flow for OF 1.3 in controller.switch.
  • Also store OF 1.3 flows in controller switch.flows.
  • Refactoring: reuse base flow in OF 1.0.
  • Improve reachable.mac event content.
  • Moved flow.py module to the of_core NApp.
  • Change 'not implemented' log INFO to ERROR.
  • Change import statement.
  • Connection state handling improvement.
  • Change fetch_latest to avoid UnboundLocalError.
  • Connection state check improvement.
  • Update docstrings, logs and comments.
  • Handshake intermediary update. New version negotiation. Once version is decided, it will now need to send features_request or hello_failed error_message with the correct version.
  • Update of_core utils with a few methods/classes - emit_message_in - emit_message_out - GenericHello - NegotiationException.
  • Use switch.id in flow.id.

Removed

  • Exclude Match fields with None value from JSON.
  • Remove nw_tos.
  • Remove JSON example from of_topology README.
  • Remove unpack from kytos/of_core/utils.py.
  • Removed self.versions from kytos/of_core.

Fixed

  • Fix 'reachable' event for OF1.3 packets.
  • Fix catch interface modified/deleted.
  • Fix converting python-openflow actions.
  • Fix flow.switch serialization.
  • Fix version-dependent classes in Flow abstract cls.
  • Fix different Flow ID after restarting controller.
  • Fix error while getting PortStatus Reason.
  • Fix import from Kytos Connection module.
  • Fix OpenFlow Hello messages in of_core.
  • A few napps fixes to check for switch connection version before acting.

Security

  • Some bug fixes.

[1.1.0] - 2017-06-16

Added

  • New request handler alters of_core so that all message parsing and processing happens outside the core tcp_server
  • Call 'update_lastseen' when OF message arrives
  • Include data field from echo request in echo reply.