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// Copyright 2018 The Prometheus 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 collector
import (
"regexp"
)
type deviceFilter struct {
ignorePattern *regexp.Regexp
acceptPattern *regexp.Regexp
}
func newDeviceFilter(ignoredPattern, acceptPattern string) (f deviceFilter) {
if ignoredPattern != "" {
f.ignorePattern = regexp.MustCompile(ignoredPattern)
}
if acceptPattern != "" {
f.acceptPattern = regexp.MustCompile(acceptPattern)
}
return
}
// ignored returns whether the device should be ignored
func (f *deviceFilter) ignored(name string) bool {
return (f.ignorePattern != nil && f.ignorePattern.MatchString(name)) ||
(f.acceptPattern != nil && !f.acceptPattern.MatchString(name))
}
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