revert

Signed-off-by: Gal Ovadia <ggalovadia@gmail.com>

Author: ovadiagal

rust/Cargo.lock

@@ -7,7 +7,7 @@ repository = "https://github.com/envoyproxy/dynamic-modules-example"
 
 [dependencies]
 # The SDK version must match the Envoy version due to the strict compatibility requirements.
-envoy-proxy-dynamic-modules-rust-sdk = { git = "https://github.com/envoyproxy/envoy", rev = "f0e51db62b58196f012f93f20899d86ec81c63e6" }
+envoy-proxy-dynamic-modules-rust-sdk = { git = "https://github.com/envoyproxy/envoy", rev = "6d9bb7d9a85d616b220d1f8fe67b61f82bbdb8d3" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 rand = "0.9.0"

rust/Cargo.toml

@@ -60,15 +60,7 @@ pub mod listener_ip_allowlist;
 pub mod listener_sni_router;
 pub mod listener_tls_detector;
 
-// DNS gateway module example.
-pub mod dns_gateway;
-
-declare_all_init_functions!(
-    init,
-    http: new_http_filter_config_fn,
-    network: new_network_filter_config_fn,
-    udp_listener: new_udp_listener_filter_config_fn,
-);
+declare_init_functions!(init, new_http_filter_config_fn);
 
 /// This implements the [`envoy_proxy_dynamic_modules_rust_sdk::ProgramInitFunction`].
 ///
@@ -107,52 +99,6 @@ fn new_http_filter_config_fn<EC: EnvoyHttpFilterConfig, EHF: EnvoyHttpFilter>(
             .map(|config| Box::new(config) as Box<dyn HttpFilterConfig<EHF>>),
         "metrics" => http_metrics::FilterConfig::new(filter_config, envoy_filter_config)
             .map(|config| Box::new(config) as Box<dyn HttpFilterConfig<EHF>>),
-        _ => panic!("Unknown HTTP filter name: {filter_name}"),
-    }
-}
-
-/// This implements the [`envoy_proxy_dynamic_modules_rust_sdk::NewNetworkFilterConfigFunction`].
-///
-/// This is the entrypoint every time a new Network filter is created via the DynamicModuleNetworkFilter config.
-///
-/// Each argument matches the corresponding argument in the Envoy config here:
-/// https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/dynamic_modules/v3/dynamic_modules.proto#envoy-v3-api-msg-extensions-dynamic-modules-v3-dynamicmoduleconfig
-///
-/// Returns None if the filter name or config is determined to be invalid by each filter's `new` function.
-fn new_network_filter_config_fn<EC: EnvoyNetworkFilterConfig, ENF: EnvoyNetworkFilter>(
-    _envoy_filter_config: &mut EC,
-    filter_name: &str,
-    filter_config: &[u8],
-) -> Option<Box<dyn NetworkFilterConfig<ENF>>> {
-    match filter_name {
-        "cache_lookup" => Some(
-            Box::new(dns_gateway::cache_lookup::CacheLookupFilterConfig::new(
-                filter_config,
-            )) as Box<dyn NetworkFilterConfig<ENF>>,
-        ),
-        _ => panic!("Unknown network filter name: {filter_name}"),
-    }
-}
-
-/// This implements the [`envoy_proxy_dynamic_modules_rust_sdk::NewUdpListenerFilterConfigFunction`].
-///
-/// This is the entrypoint every time a new UDP Listener filter is created via the DynamicModuleUdpListenerFilter config.
-///
-/// Each argument matches the corresponding argument in the Envoy config here:
-/// https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/dynamic_modules/v3/dynamic_modules.proto#envoy-v3-api-msg-extensions-dynamic-modules-v3-dynamicmoduleconfig
-///
-/// Returns None if the filter name or config is determined to be invalid by each filter's `new` function.
-fn new_udp_listener_filter_config_fn<
-    EC: EnvoyUdpListenerFilterConfig,
-    ELF: EnvoyUdpListenerFilter,
->(
-    _envoy_filter_config: &mut EC,
-    filter_name: &str,
-    filter_config: &[u8],
-) -> Option<Box<dyn UdpListenerFilterConfig<ELF>>> {
-    match filter_name {
-        "dns_gateway" => dns_gateway::DnsGatewayFilterConfig::new(filter_config)
-            .map(|config| Box::new(config) as Box<dyn UdpListenerFilterConfig<ELF>>),
-        _ => panic!("Unknown UDP listener filter name: {filter_name}"),
+        _ => panic!("Unknown filter name: {filter_name}"),
     }
 }