73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
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// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package beater
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import (
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"github.com/elastic/beats/filebeat/input/file"
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"github.com/elastic/beats/libbeat/logp"
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)
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// eventAcker handles publisher pipeline ACKs and forwards
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// them to the registrar or directly to the stateless logger.
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type eventACKer struct {
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stateful statefulLogger
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stateless statelessLogger
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log *logp.Logger
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}
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type statefulLogger interface {
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Published(states []file.State)
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}
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type statelessLogger interface {
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Published(c int) bool
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}
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func newEventACKer(stateless statelessLogger, stateful statefulLogger) *eventACKer {
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return &eventACKer{stateless: stateless, stateful: stateful, log: logp.NewLogger("acker")}
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}
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func (a *eventACKer) ackEvents(data []interface{}) {
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stateless := 0
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states := make([]file.State, 0, len(data))
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for _, datum := range data {
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if datum == nil {
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stateless++
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continue
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}
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st, ok := datum.(file.State)
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if !ok {
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stateless++
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continue
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}
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states = append(states, st)
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}
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if len(states) > 0 {
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a.log.Debugw("stateful ack", "count", len(states))
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a.stateful.Published(states)
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}
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if stateless > 0 {
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a.log.Debugw("stateless ack", "count", stateless)
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a.stateless.Published(stateless)
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}
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}
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