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Diffstat (limited to 'docs/user_guide/phase.md')
| -rw-r--r-- | docs/user_guide/phase.md | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/docs/user_guide/phase.md b/docs/user_guide/phase.md index a326496..46e9b5d 100644 --- a/docs/user_guide/phase.md +++ b/docs/user_guide/phase.md @@ -16,7 +16,8 @@ The pingora-proxy HTTP proxy framework supports highly programmable proxy behavi Pingora-proxy allows users to insert arbitrary logic into the life of a request. ```mermaid graph TD; - start("new request")-->request_filter; + start("new request")-->early_request_filter; + early_request_filter-->request_filter; request_filter-->upstream_peer; upstream_peer-->Connect{{IO: connect to upstream}}; @@ -52,9 +53,12 @@ Pingora-proxy allows users to insert arbitrary logic into the life of a request. * The reason both `upstream_response_*_filter()` and `response_*_filter()` exist is for HTTP caching integration reasons (still WIP). -### `request_filter()` +### `early_request_filter()` This is the first phase of every request. +This function is similar to `request_filter()` but executes before any other logic, including downstream module logic. The main purpose of this function is to provide finer-grained control of the behavior of the modules. + +### `request_filter()` This phase is usually for validating request inputs, rate limiting, and initializing context. ### `proxy_upstream_filter()` |