perf: Use enum_dispatch over dynamic dispatch (#1027)

Cargo.toml

@@ -156,6 +156,7 @@ strum_macros = "0.26"
 cfg-if = "1.0.0"
 libflate = "2.0.0"
 form_urlencoded = "1.2.1"
+enum_dispatch = "0.3.13"
 gxhash = "3.4.1"
 
 [dependencies.hyper-util]

build/Makefile

@@ -77,7 +77,7 @@ version:
 	@echo $(package_version)
 
 # Run all tests
-test: ensure-build-image test-quilkin test-examples test-docs
+test: ensure-build-image test-quilkin test-docs
 
 # In CI with split jobs that both fetch they will fail if run in parallel since
 # cargo will be fighting with itself for some the same host directory that is
@@ -103,13 +103,6 @@ test-quilkin: ensure-build-image
 			--network=host \
 			-e RUST_BACKTRACE=1 --entrypoint=cargo $(BUILD_IMAGE_TAG) test -p quilkin -p qt
 
-# Run tests against the examples
-test-examples: ensure-build-image
-	docker run --rm $(common_rust_args) -w /workspace/examples/quilkin-filter-example \
-		--entrypoint=cargo $(BUILD_IMAGE_TAG) clippy --tests -- -D warnings
-	docker run --rm $(common_rust_args) -w /workspace/examples/quilkin-filter-example \
-		--entrypoint=cargo $(BUILD_IMAGE_TAG) fmt -- --check
-
 # Run tests against documentation
 test-docs: ensure-build-image
 test-docs: GITHUB_REF_NAME ?= main

cloudbuild.yaml

@@ -38,11 +38,6 @@ steps:
     id: test-quilkin
     waitFor:
       - fetch-quilkin
-  - name: us-docker.pkg.dev/$PROJECT_ID/ci/make-docker
-    dir: ./build
-    args:
-      - test-examples
-    id: test-examples
   - name: us-docker.pkg.dev/$PROJECT_ID/ci/make-docker
     dir: ./build
     args:

docs/src/SUMMARY.md

@@ -26,7 +26,6 @@
         - [Pass](./services/proxy/filters/pass.md)
         - [Timestamp](./services/proxy/filters/timestamp.md)
         - [Token Router](./services/proxy/filters/token_router.md)
-        - [Writing Custom Filters](./services/proxy/filters/writing_custom_filters.md)
     - [Control Message Protocol](./services/proxy/qcmp.md)
     - [Metrics](./services/proxy/metrics.md)
 
@@ -55,4 +54,4 @@
 
 # Third Party
 
-- [Videos and Presentations](./third-party/presentations.md)
+- [Videos and Presentations](./third-party/presentations.md)

docs/src/services/proxy/filters.md

@@ -14,8 +14,7 @@ As an example, say we would like to perform the following steps in our processin
 * Do not forward (drop) the packet if its compressed length is over 512 bytes.
 
 We would create a filter corresponding to each step either by leveraging any [existing filters](#built-in-filters)
-that do what we want or [writing one ourselves](./filters/writing_custom_filters.md) and connect them to form the
-following filter chain:
+that do what we want or and connect them to form the following filter chain:
 
 ```bash
 append | compress | drop