1 //
2 //
3 // Copyright 2016 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //     http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18 
19 #include <grpc/support/port_platform.h>
20 
21 #include "src/core/lib/iomgr/port.h"
22 
23 #if GRPC_IF_NAMETOINDEX == 1 && defined(GRPC_POSIX_SOCKET_IF_NAMETOINDEX)
24 
25 #include <errno.h>
26 #include <net/if.h>
27 
28 #include <grpc/support/log.h>
29 
30 #include "src/core/lib/gprpp/crash.h"
31 #include "src/core/lib/iomgr/grpc_if_nametoindex.h"
32 
grpc_if_nametoindex(char * name)33 uint32_t grpc_if_nametoindex(char* name) {
34   uint32_t out = if_nametoindex(name);
35   if (out == 0) {
36     gpr_log(GPR_DEBUG, "if_nametoindex failed for name %s. errno %d", name,
37             errno);
38   }
39   return out;
40 }
41 
42 #endif  // GRPC_IF_NAMETOINDEX == 1 && \
43        // defined(GRPC_POSIX_SOCKET_IF_NAMETOINDEX)
44