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plgd-dev / go-coap

Implementation of CoAP Server & Client in Go
https://coap.technology
Apache License 2.0
443 stars 116 forks source link

Blockwise: Use hash instead of token for cache #554

Open mpenate-ellenbytech opened 3 months ago

mpenate-ellenbytech commented 3 months ago

Credit to @zworks-okada for initial work regarding rx transfers. Expanded to include tx.

Closes #512

Needs more thorough testing than what I was able to do. Willing to help address concerns.

Summary by CodeRabbit

These changes streamline observation request processing and enhance the overall efficiency of the application.

coderabbitai[bot] commented 3 months ago

Walkthrough

The recent changes involve updating various functions and methods across multiple files to utilize a uint64 hash parameter instead of a message.Token parameter. This modification aligns the codebase with the CoAP specification, ensuring that blockwise requests are correlated based on message options rather than tokens.

Changes

Files Change Summary
dtls/client.go, dtls/server/server.go, net/client/client.go, udp/client.go, udp/server/server.go Updated function signatures to replace message.Token with uint64 hash for handling observation requests.
message/option.go Added Request-Tag option with OptionID 292 and corresponding definitions.
net/blockwise/blockwise.go, net/blockwise/blockwise_test.go Various modifications related to using uint64 hash instead of message.Token for blockwise operations.
tcp/client.go, tcp/server/server.go Updated function signatures to use uint64 hash instead of message.Token for observation requests.

Assessment against linked issues

Objective Addressed Explanation
Blockwise requests should be correlated based on message options (#512) ✅

Poem

In code's vast sea, a change takes flight,
From tokens to hashes, we set it right.
Observations flow with options clear,
A smoother path, no need to fear.
With uint64 our guide, we stride,
Through blockwise realms, with specs beside.
🌟🐇✨

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mpenate-ellenbytech commented 3 months ago

Fixed linting issues.

I should add that I am not a golang programmer, and addressing test failures will be difficult without any help. I can ask a colleague for some of their input but direct help would be appreciated.