github.com/yacovm/fabric@v2.0.0-alpha.0.20191128145320-c5d4087dc723+incompatible/common/util/net.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package util
     8  
     9  import (
    10  	"context"
    11  
    12  	"google.golang.org/grpc/peer"
    13  )
    14  
    15  func ExtractRemoteAddress(ctx context.Context) string {
    16  	var remoteAddress string
    17  	p, ok := peer.FromContext(ctx)
    18  	if !ok {
    19  		return ""
    20  	}
    21  	if address := p.Addr; address != nil {
    22  		remoteAddress = address.String()
    23  	}
    24  	return remoteAddress
    25  }