github.com/inspektor-gadget/inspektor-gadget@v0.28.1/pkg/operators/registry.go (about)

     1  // Copyright 2024 The Inspektor Gadget authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package operators
    16  
    17  import (
    18  	"maps"
    19  	"sync"
    20  )
    21  
    22  var (
    23  	registryLock sync.Mutex
    24  
    25  	dataOperators = map[string]DataOperator{}
    26  
    27  	// imageOperatorsByMediaType is a map of mediaTypes to operators
    28  	imageOperatorsByMediaType = map[string]ImageOperator{}
    29  )
    30  
    31  // RegisterOperatorForMediaType registers operators for specific media types
    32  func RegisterOperatorForMediaType(mediaType string, operator ImageOperator) {
    33  	registryLock.Lock()
    34  	defer registryLock.Unlock()
    35  
    36  	imageOperatorsByMediaType[mediaType] = operator
    37  }
    38  
    39  // RegisterDataOperator registers a DataOperator
    40  func RegisterDataOperator(operator DataOperator) {
    41  	registryLock.Lock()
    42  	defer registryLock.Unlock()
    43  	dataOperators[operator.Name()] = operator
    44  }
    45  
    46  func GetDataOperators() map[string]DataOperator {
    47  	registryLock.Lock()
    48  	defer registryLock.Unlock()
    49  	return maps.Clone(dataOperators)
    50  }
    51  
    52  // GetImageOperatorForMediaType returns a copy of the map of operators matching the given
    53  // media type
    54  func GetImageOperatorForMediaType(mediaType string) (ImageOperator, bool) {
    55  	registryLock.Lock()
    56  	defer registryLock.Unlock()
    57  
    58  	op, ok := imageOperatorsByMediaType[mediaType]
    59  	return op, ok
    60  }