mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-18 19:44:06 -08:00
39 lines
1.5 KiB
Go
39 lines
1.5 KiB
Go
|
// Copyright (c) 2017 Uber Technologies, 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.
|
||
|
|
|
||
|
|
package jaeger
|
||
|
|
|
||
|
|
import (
|
||
|
|
"io"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Transport abstracts the method of sending spans out of process.
|
||
|
|
// Implementations are NOT required to be thread-safe; the RemoteReporter
|
||
|
|
// is expected to only call methods on the Transport from the same go-routine.
|
||
|
|
type Transport interface {
|
||
|
|
// Append converts the span to the wire representation and adds it
|
||
|
|
// to sender's internal buffer. If the buffer exceeds its designated
|
||
|
|
// size, the transport should call Flush() and return the number of spans
|
||
|
|
// flushed, otherwise return 0. If error is returned, the returned number
|
||
|
|
// of spans is treated as failed span, and reported to metrics accordingly.
|
||
|
|
Append(span *Span) (int, error)
|
||
|
|
|
||
|
|
// Flush submits the internal buffer to the remote server. It returns the
|
||
|
|
// number of spans flushed. If error is returned, the returned number of
|
||
|
|
// spans is treated as failed span, and reported to metrics accordingly.
|
||
|
|
Flush() (int, error)
|
||
|
|
|
||
|
|
io.Closer
|
||
|
|
}
|