quic: add debug visitor to export various quic stats from quiche (#36813)

Signed-off-by: Greg Greenway <ggreenway@apple.com>

Mirrored from https://github.com/envoyproxy/envoy @ ec94989f7ecce064a130ae43070352bbf4a0b7b6

BUILD

@@ -305,6 +305,7 @@ proto_library(
         "//envoy/extensions/outlier_detection_monitors/consecutive_errors/v3:pkg",
         "//envoy/extensions/path/match/uri_template/v3:pkg",
         "//envoy/extensions/path/rewrite/uri_template/v3:pkg",
+        "//envoy/extensions/quic/connection_debug_visitor/quic_stats/v3:pkg",
         "//envoy/extensions/quic/connection_debug_visitor/v3:pkg",
         "//envoy/extensions/quic/connection_id_generator/v3:pkg",
         "//envoy/extensions/quic/crypto_stream/v3:pkg",

envoy/extensions/quic/connection_debug_visitor/quic_stats/v3/BUILD

@@ -0,0 +1,9 @@
+# DO NOT EDIT. This file is generated by tools/proto_format/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = ["@com_github_cncf_xds//udpa/annotations:pkg"],
+)

envoy/extensions/quic/connection_debug_visitor/quic_stats/v3/quic_stats.proto

@@ -0,0 +1,24 @@
+syntax = "proto3";
+
+package envoy.extensions.quic.connection_debug_visitor.quic_stats.v3;
+
+import "google/protobuf/duration.proto";
+
+import "udpa/annotations/status.proto";
+import "validate/validate.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.quic.connection_debug_visitor.quic_stats.v3";
+option java_outer_classname = "QuicStatsProto";
+option java_multiple_files = true;
+option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/quic/connection_debug_visitor/quic_stats/v3;quic_statsv3";
+option (udpa.annotations.file_status).package_version_status = ACTIVE;
+
+// [#protodoc-title: QUIC stats config]
+// [#extension: envoy.quic.connection_debug_visitor.quic_stats]
+
+// Configuration for a QUIC debug visitor which emits stats from the underlying QUIC transport.
+message Config {
+  // Period to update stats while the connection is open. If unset, updates only happen when the
+  // connection is closed. Stats are always updated one final time when the connection is closed.
+  google.protobuf.Duration update_period = 2 [(validate.rules).duration = {gte {nanos: 1000000}}];
+}

versioning/BUILD

@@ -243,6 +243,7 @@ proto_library(
         "//envoy/extensions/outlier_detection_monitors/consecutive_errors/v3:pkg",
         "//envoy/extensions/path/match/uri_template/v3:pkg",
         "//envoy/extensions/path/rewrite/uri_template/v3:pkg",
+        "//envoy/extensions/quic/connection_debug_visitor/quic_stats/v3:pkg",
         "//envoy/extensions/quic/connection_debug_visitor/v3:pkg",
         "//envoy/extensions/quic/connection_id_generator/v3:pkg",
         "//envoy/extensions/quic/crypto_stream/v3:pkg",