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# Copyright 2012 Twitter Inc.
#
# 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.
namespace java com.twitter.zipkin.gen
namespace rb Zipkin
//************** Collection related structs **************
// these are the annotations we always expect to find in a span
const string CLIENT_SEND = "cs"
const string CLIENT_RECV = "cr"
const string SERVER_SEND = "ss"
const string SERVER_RECV = "sr"
// this represents a host and port in a network
struct Endpoint {
1: i32 ipv4,
2: i16 port // beware that this will give us negative ports. some conversion needed
3: string service_name // which service did this operation happen on?
}
// some event took place, either one by the framework or by the user
struct Annotation {
1: i64 timestamp // microseconds from epoch
2: string value // what happened at the timestamp?
3: optional Endpoint host // host this happened on
}
enum AnnotationType { BOOL, BYTES, I16, I32, I64, DOUBLE, STRING }
struct BinaryAnnotation {
1: string key,
2: binary value,
3: AnnotationType annotation_type,
4: optional Endpoint host
}
struct Span {
1: i64 trace_id // unique trace id, use for all spans in trace
3: string name, // span name, rpc method for example
4: i64 id, // unique span id, only used for this span
5: optional i64 parent_id, // parent span id
6: list<Annotation> annotations, // list of all annotations/events that occured
8: list<BinaryAnnotation> binary_annotations // any binary annotations
}