/
options.go
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/
options.go
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// Copyright 2020, OpenTelemetry 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 otlpreceiver
import (
"google.golang.org/grpc"
)
// Option interface defines for configuration settings to be applied to receivers.
//
// withReceiver applies the configuration to the given receiver.
type Option interface {
withReceiver(*Receiver)
}
type corsOrigins struct {
origins []string
}
var _ Option = (*corsOrigins)(nil)
func (co *corsOrigins) withReceiver(r *Receiver) {
r.corsOrigins = co.origins
}
// WithCorsOrigins is an option to specify the allowed origins to enable writing
// HTTP/JSON requests to the grpc-gateway adapter using CORS.
func WithCorsOrigins(origins []string) Option {
return &corsOrigins{origins: origins}
}
var _ Option = (grpcServerOptions)(nil)
type grpcServerOptions []grpc.ServerOption
func (gsvo grpcServerOptions) withReceiver(r *Receiver) {
r.grpcServerOptions = gsvo
}
// WithGRPCServerOptions allows one to specify the options for starting a gRPC server.
func WithGRPCServerOptions(gsOpts ...grpc.ServerOption) Option {
gsvOpts := grpcServerOptions(gsOpts)
return gsvOpts
}
type noopOption int
var _ Option = (noopOption)(0)
func (noopOpt noopOption) withReceiver(r *Receiver) {}
// WithNoopOption returns an option that doesn't mutate the receiver.
func WithNoopOption() Option { return noopOption(0) }