// Copyright 2020 The gRPC 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.

// Local copy of Envoy xDS proto file, used for testing only.

syntax = "proto3";

package envoy.extensions.filters.common.fault.v3;

import "src/proto/grpc/testing/xds/v3/percent.proto";

import "google/protobuf/duration.proto";

// Delay specification is used to inject latency into the
// HTTP/gRPC/Mongo/Redis operation or delay proxying of TCP connections.
message FaultDelay {
  // Fault delays are controlled via an HTTP header (if applicable). See the
  // :ref:`HTTP fault filter <config_http_filters_fault_injection_http_header>`
  // documentation for more information.
  message HeaderDelay {}

  oneof fault_delay_secifier {
    // Add a fixed delay before forwarding the operation upstream. See
    // https://developers.google.com/protocol-buffers/docs/proto3#json for
    // the JSON/YAML Duration mapping. For HTTP/Mongo/Redis, the specified
    // delay will be injected before a new request/operation. For TCP
    // connections, the proxying of the connection upstream will be delayed
    // for the specified period. This is required if type is FIXED.
    google.protobuf.Duration fixed_delay = 3;

    // Fault delays are controlled via an HTTP header (if applicable).
    HeaderDelay header_delay = 5;
  }

  // The percentage of operations/connections/requests on which the delay will
  // be injected.
  type.v3.FractionalPercent percentage = 4;
}