/
appctx.go
69 lines (60 loc) · 2.23 KB
/
appctx.go
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// Copyright 2018-2024 CERN
//
// 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.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package appctx
import (
"context"
"github.com/cs3org/reva/pkg/appctx"
"github.com/cs3org/reva/pkg/trace"
"github.com/rs/zerolog"
"google.golang.org/grpc"
)
// NewUnary returns a new unary interceptor that creates the application context.
func NewUnary(log zerolog.Logger) grpc.UnaryServerInterceptor {
interceptor := func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
traceID := trace.Get(ctx)
log := log.With().Str("traceid", traceID).Logger()
ctx = appctx.WithLogger(ctx, &log)
res, err := handler(ctx, req)
return res, err
}
return interceptor
}
// NewStream returns a new server stream interceptor
// that creates the application context.
func NewStream(log zerolog.Logger) grpc.StreamServerInterceptor {
interceptor := func(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
ctx := ss.Context()
traceID := trace.Get(ctx)
log := log.With().Str("traceid", traceID).Logger()
ctx = appctx.WithLogger(ctx, &log)
wrapped := newWrappedServerStream(ctx, ss)
err := handler(srv, wrapped)
return err
}
return interceptor
}
func newWrappedServerStream(ctx context.Context, ss grpc.ServerStream) *wrappedServerStream {
return &wrappedServerStream{ServerStream: ss, newCtx: ctx}
}
type wrappedServerStream struct {
grpc.ServerStream
newCtx context.Context
}
func (ss *wrappedServerStream) Context() context.Context {
return ss.newCtx
}