56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package models
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import (
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"sync"
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"github.com/influxdata/telegraf"
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)
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type RunningProcessor struct {
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Name string
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sync.Mutex
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Processor telegraf.Processor
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Config *ProcessorConfig
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}
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type RunningProcessors []*RunningProcessor
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func (rp RunningProcessors) Len() int { return len(rp) }
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func (rp RunningProcessors) Swap(i, j int) { rp[i], rp[j] = rp[j], rp[i] }
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func (rp RunningProcessors) Less(i, j int) bool { return rp[i].Config.Order < rp[j].Config.Order }
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// FilterConfig containing a name and filter
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type ProcessorConfig struct {
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Name string
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Order int64
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Filter Filter
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}
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func (rp *RunningProcessor) Apply(in ...telegraf.Metric) []telegraf.Metric {
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rp.Lock()
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defer rp.Unlock()
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ret := []telegraf.Metric{}
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for _, metric := range in {
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// In processors when a filter selects a metric it is sent through the
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// processor. Otherwise the metric continues downstream unmodified.
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if ok := rp.Config.Filter.Select(metric); !ok {
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ret = append(ret, metric)
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continue
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}
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rp.Config.Filter.Modify(metric)
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if len(metric.FieldList()) == 0 {
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continue
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}
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// This metric should pass through the filter, so call the filter Apply
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// function and append results to the output slice.
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ret = append(ret, rp.Processor.Apply(metric)...)
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}
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return ret
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}
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