New dhcp state machine#95

Merged

FoamyGuy merged 88 commits intoadafruit:mainfrom

BiffoBear:new_dhcp_state_machine

May 1, 2023

Commits on Dec 17, 2022

Refactored message parser and message generator. All tests pass. Began new state machine.
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Updated tests for the broadcast flag.
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Added DHCP options for REQUEST to _generate_dhcp_message.
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Added IP collision detection via ARP request.
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Added all state machine states.
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Commits on Dec 18, 2022

Removed IP collision detection, AF_PACKET not support in CP sockets. Added some tests for helper functions.
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Commits on Dec 19, 2022

Commits on Dec 21, 2022

Added more tests.
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Merge branch 'adafruit:main' into new_dhcp_state_machine
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Added tests for helper methods.
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Commits on Dec 24, 2022

Added tests for _handle_dhcp_message
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Added tests for _handle_dhcp_message
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Commits on Dec 26, 2022

Added more tests for _handle_dhcp_message function.
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Refactored fixtures to make tests more readable.
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Commits on Dec 28, 2022

Finished tests for _handle_dhcp_message
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Finished tests for _dhcp_state_machine
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Refactored _handle_dhcp_message for readability.
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Commits on Jan 2, 2023

Added some comments to explain tests.
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Commits on Jan 3, 2023

Commits on Jan 4, 2023

Moved _ip_in_use to DHCP and refactored to use a UDP call as W5500 has no ARP tool.
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Commits on Jan 7, 2023

Moved back to WIZNET5K (final location) and renamed to _ip_address_in_use.
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Commits on Jan 8, 2023

Refactored DHCP._socket_set to _dhcp_connection_setup and removed socket.socket.
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Refactored DHCP to remove all socket.socket calls.
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Commits on Jan 9, 2023

Fixed _dhcp_connection_setup.
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Fixed sending date.
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Moved sending message outside receiving loop.
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Fixed DHCP resend timing to match DHCP standard.
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Refactored to use a for loop in _handle_dhcp_message and local variables for the retry timeouts.
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Commits on Jan 10, 2023

Refactored to remove _prepare_and_set_next_state
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Refactored to processing message states into a single function - _process_messaging_states
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Wrote tests for _handle_dhcp_message
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Completed tests for DHCP helper methods.
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Refactored _handle_DHCP to return 0, a message type or raise a ValueError exception instead of changing FSM state.
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Commits on Jan 11, 2023

Added tests for _process_messaging_states.
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Deleted obsolete tests for FSM
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Commits on Jan 12, 2023

Added a hexdump to _debugging_message
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Added debugging messages
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Fine tuned debugging messages and fixed a bug the prevented a command being recognized.
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Fixed a bug where the server port was not set. Improved message generation.
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Really fixed the server port bug.
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Commits on Jan 17, 2023

Pause to integrate changes from other pull requests.
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Resolved conflicts from recent merges to main.
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Commits on Jan 21, 2023

Updated tests to match changes merged in from main.
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Updated tests to match changes merged in from main.
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Fixed a glitch in the docstrings that caused Sphinx to fail.
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Commits on Jan 22, 2023

Moved debug_msg() to __init__.py so that all modules can access it.
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Refactored wiznet5k.py to use debug_msg.
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Commits on Jan 23, 2023

DHCP client makes a new connection.
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Commits on Jan 24, 2023

Restored stashed changes.
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Merge in changes from main.
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Refactored DHCP to store IP addresses as byte objects instead of tuples.
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Commits on Jan 25, 2023

Refactored DHCP to only accept a MAC address as a bytes object.
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Removed _DEFAULT_LEASE_TIME.
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Updated tests to remove _DEFAULT_LEASE_TIME.
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Removed unused response_timeout arg from DHCP and tests.
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Removed DHCP timeout from WIZNET5K call.
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Refactored mac_address to return a bytes object and added error checking to the setter.
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Removed spurious print statements.
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Added a gc.collect to end of FSM.
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Commits on Jan 28, 2023

Improved hexdump for debug_msg function.
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Commits on Feb 2, 2023

Replaced %S with .format in hexdump.
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Commits on Feb 3, 2023

Tidied some doc-strings.
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Commits on Feb 6, 2023

Commits on Feb 9, 2023

Refactored self._renew to None, "renew" or "rebind" to control content of DHCP request messages.
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Refactored self._lease_time to self._lease.
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Commits on Feb 10, 2023

Changed self._sock.recv() back to self._sock.recv(512) in wiznet5k_dns.py 276.
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Moved debug_msg() from init.py to adafruit_wiznet5k_debug.py.
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Commits on Feb 14, 2023

Convert DNS server IP address to dot-quad string before calling socket.connect.
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Commits on Feb 22, 2023

Updated to latest version of socket.py.
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Commits on Mar 20, 2023

Commits on Mar 22, 2023

Merged in updates from main.
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Merge remote-tracking branch 'origin/new_dhcp_state_machine' into new_dhcp_state_machine
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Increased buffer to 512 bytes due to long DHCP response. Fixed timeout bug.
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Commits on Mar 28, 2023

Fixed bug where timeout was calculated as 2 x time.monotonic + n seconds.
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Commits on Mar 29, 2023

Added debug text that confirms DHCP releases socket.
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Commits on Mar 30, 2023

Fixed potential infinite loop in WIZNET5K.socket_close.
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Commits on Apr 1, 2023

Converted read_sncr and read_snsr results to int so that they can actually be False.
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Commits on Apr 9, 2023

Added a reset to w5500 chip detection.
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Commits on Apr 20, 2023

Updated with latest changes to origin/main
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Commits on Apr 26, 2023

Fixed explicit soft reset for w5500.
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Commits on Apr 27, 2023

Future proofed w5500 initialisation.
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