INNER CODE UNIT · Rust

module

nginx/nginx-gateway-fabric · internal/controller/nginx/modules/rust/ai-guardrails/src/lib.rs:50

    fn module() -> &'static ngx_module_t {
        unsafe { &*ptr::addr_of!(ngx_http_guardrails_module) }
    }

    unsafe extern "C" fn postconfiguration(cf: *mut ngx_conf_t) -> ngx_int_t {
        unsafe {
            // Register header filter (two-state: suppress on first pass, commit on second).
            // Must be registered before body filters so it sits at the top of the header chain.
            ctx::NGX_HTTP_NEXT_HEADER_FILTER = ngx_http_top_header_filter;
            ngx_http_top_header_filter = Some(guardrails_header_filter);

            // Register request body filter (pass-through only). Request inspection
            // now happens in the ACCESS phase handler below so it can be performed
            // asynchronously (non-blocking) via an NGINX subrequest.
            ctx::NGX_HTTP_NEXT_REQUEST_BODY_FILTER = ngx_http_top_request_body_filter;
            ngx_http_top_request_body_filter = Some(guardrails_request_body_filter);

            // Register response body filter for response inspection

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