// Copyright 2025 Envoy Project Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package envoy.extensions.filters.http.buffer.v3;

import "google/protobuf/wrappers.proto";

import "udpa/annotations/status.proto";
import "udpa/annotations/versioning.proto";
import "validate/validate.proto";

option java_package = "io.envoyproxy.envoy.extensions.filters.http.buffer.v3";
option java_outer_classname = "BufferProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/buffer/v3;bufferv3";
option (udpa.annotations.file_status).package_version_status = ACTIVE;

// [#protodoc-title: Buffer]
// Buffer :ref:`configuration overview <config_http_filters_buffer>`.
// [#extension: envoy.filters.http.buffer]

message Buffer {
  option (udpa.annotations.versioning).previous_message_type =
      "envoy.config.filter.http.buffer.v2.Buffer";

  reserved 2;

  // The maximum request size that the filter will buffer before the connection
  // manager will stop buffering and return a 413 response.
  google.protobuf.UInt32Value max_request_bytes = 1
      [(validate.rules).uint32 = {gt: 0}, (validate.rules).message = {required: true}];
}

message BufferPerRoute {
  option (udpa.annotations.versioning).previous_message_type =
      "envoy.config.filter.http.buffer.v2.BufferPerRoute";

  oneof override {
    option (validate.required) = true;

    // Disable the buffer filter for this particular vhost or route.
    bool disabled = 1 [(validate.rules).bool = {const: true}];

    // Override the global configuration of the filter with this new config.
    Buffer buffer = 2 [(validate.rules).message = {required: true}];
  }
}
