65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
// 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 input
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import (
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"fmt"
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"github.com/elastic/beats/filebeat/channel"
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"github.com/elastic/beats/filebeat/input/file"
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"github.com/elastic/beats/libbeat/common"
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"github.com/elastic/beats/libbeat/logp"
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)
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type Context struct {
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States []file.State
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Done chan struct{}
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BeatDone chan struct{}
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DynamicFields *common.MapStrPointer
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Meta map[string]string
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}
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// Factory is used to register functions creating new Input instances.
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type Factory = func(config *common.Config, connector channel.Connector, context Context) (Input, error)
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var registry = make(map[string]Factory)
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func Register(name string, factory Factory) error {
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logp.Info("Registering input factory")
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if name == "" {
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return fmt.Errorf("Error registering input: name cannot be empty")
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}
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if factory == nil {
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return fmt.Errorf("Error registering input '%v': factory cannot be empty", name)
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}
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if _, exists := registry[name]; exists {
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return fmt.Errorf("Error registering input '%v': already registered", name)
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}
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registry[name] = factory
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logp.Info("Successfully registered input")
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return nil
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}
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func GetFactory(name string) (Factory, error) {
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if _, exists := registry[name]; !exists {
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return nil, fmt.Errorf("Error creating input. No such input type exist: '%v'", name)
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}
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return registry[name], nil
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}
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