openresty / openresty/lua-nginx-module
Lua callback passed down to C/FFI
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- Dominant language
- C
- Stars
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- Avg merge
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- Merged PRs (30d)
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Description
Curious if it's possible to pass lua callbacks to C FFI and evaluate them from there.
Goal is to embed ngx.location.capture calls in the Lua callback and call them from my C library.
Are there any hiccups to using the NGX API in this way?
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by investigating the Lua callback, the C/FFI boundary, and the ngx.location.capture API mentioned in the issue. Determine whether callbacks can safely invoke that API from the C library, including any constraints, and document a concrete supported approach or the blockers.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, lua
- Domain
- backend-api-design
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100