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input.go
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/
input.go
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// Copyright 2021 iLogtail Authors
//
// 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 pipeline
// MetricInput ...
type MetricInput interface {
// Init called for init some system resources, like socket, mutex...
// return call interval(ms) and error flag, if interval is 0, use default interval
Init(Context) (int, error)
// Description returns a one-sentence description on the Input
Description() string
}
type MetricInputV1 interface {
MetricInput
// Collect takes in an accumulator and adds the metrics that the Input
// gathers. This is called every "interval"
Collect(Collector) error
}
type MetricInputV2 interface {
MetricInput
// Collect takes in an accumulator and adds the metrics that the Input
// gathers. This is called every "interval"
Read(PipelineContext) error
}
// ServiceInput ...
type ServiceInput interface {
// Init called for init some system resources, like socket, mutex...
// return interval(ms) and error flag, if interval is 0, use default interval
Init(Context) (int, error)
// Description returns a one-sentence description on the Input
Description() string
// Stop stops the services and closes any necessary channels and connections
Stop() error
}
type ServiceInputV1 interface {
ServiceInput
// Start starts the ServiceInput's service, whatever that may be
Start(Collector) error
}
type ServiceInputV2 interface {
ServiceInput
// StartService starts the ServiceInput's service, whatever that may be
StartService(PipelineContext) error
}