1// Copyright 2023 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15syntax = "proto3"; 16 17package google.monitoring.v3; 18 19option csharp_namespace = "Google.Cloud.Monitoring.V3"; 20option go_package = "cloud.google.com/go/monitoring/apiv3/v2/monitoringpb;monitoringpb"; 21option java_multiple_files = true; 22option java_outer_classname = "SpanContextProto"; 23option java_package = "com.google.monitoring.v3"; 24option php_namespace = "Google\\Cloud\\Monitoring\\V3"; 25option ruby_package = "Google::Cloud::Monitoring::V3"; 26 27// The context of a span. This is attached to an 28// [Exemplar][google.api.Distribution.Exemplar] 29// in [Distribution][google.api.Distribution] values during aggregation. 30// 31// It contains the name of a span with format: 32// 33// projects/[PROJECT_ID_OR_NUMBER]/traces/[TRACE_ID]/spans/[SPAN_ID] 34message SpanContext { 35 // The resource name of the span. The format is: 36 // 37 // projects/[PROJECT_ID_OR_NUMBER]/traces/[TRACE_ID]/spans/[SPAN_ID] 38 // 39 // `[TRACE_ID]` is a unique identifier for a trace within a project; 40 // it is a 32-character hexadecimal encoding of a 16-byte array. 41 // 42 // `[SPAN_ID]` is a unique identifier for a span within a trace; it 43 // is a 16-character hexadecimal encoding of an 8-byte array. 44 string span_name = 1; 45} 46