github.com/tsuna/gohbase@v0.0.0-20250731002811-4ffcadfba63e/pb/Tracing.proto (about)

     1  /**
     2   * Licensed to the Apache Software Foundation (ASF) under one
     3   * or more contributor license agreements.  See the NOTICE file
     4   * distributed with this work for additional information
     5   * regarding copyright ownership.  The ASF licenses this file
     6   * to you under the Apache License, Version 2.0 (the
     7   * "License"); you may not use this file except in compliance
     8   * with the License.  You may obtain a copy of the License at
     9   *
    10   *     http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing, software
    13   * distributed under the License is distributed on an "AS IS" BASIS,
    14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15   * See the License for the specific language governing permissions and
    16   * limitations under the License.
    17   */
    18  syntax = "proto2";
    19  package pb;
    20  
    21  option java_package = "org.apache.hadoop.hbase.protobuf.generated";
    22  option java_outer_classname = "TracingProtos";
    23  option java_generate_equals_and_hash = true;
    24  option optimize_for = SPEED;
    25  option go_package = "../pb";
    26  
    27  // OpenTelemetry propagates trace context through https://www.w3.org/TR/trace-context/, which
    28  // is a text-based approach that passes properties with http headers. Here we will also use this
    29  // approach so we just need a map to store the key value pair.
    30  
    31  message RPCTInfo {
    32    optional int64 trace_id = 1 [deprecated = true];
    33    optional int64 parent_id = 2 [deprecated = true];
    34    map<string, string> headers = 3;
    35  }