/
namespaces.go
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/
namespaces.go
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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// 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 rpclog
import (
"context"
grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
"go.thethings.network/lorawan-stack/v3/pkg/log"
"go.thethings.network/lorawan-stack/v3/pkg/rpcmiddleware/hooks"
"google.golang.org/grpc"
)
// NamespaceHook is the name of the namespace hook.
const NamespaceHook = "namespace"
// UnaryNamespaceHook adds the component namespace to the context of the unary call.
func UnaryNamespaceHook(namespace string) hooks.UnaryHandlerMiddleware {
return func(h grpc.UnaryHandler) grpc.UnaryHandler {
return func(ctx context.Context, req any) (any, error) {
ctx = log.NewContextWithField(ctx, "namespace", namespace)
return h(ctx, req)
}
}
}
// StreamNamespaceHook adds the component namespace to the context of the stream.
func StreamNamespaceHook(namespace string) hooks.StreamHandlerMiddleware {
return func(h grpc.StreamHandler) grpc.StreamHandler {
return func(srv any, stream grpc.ServerStream) error {
wrapped := grpc_middleware.WrapServerStream(stream)
wrapped.WrappedContext = log.NewContextWithField(stream.Context(), "namespace", namespace)
return h(srv, wrapped)
}
}
}