1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 #include "util.h"
19 
20 #include <android-base/parseint.h>
21 #include <server_configurable_flags/get_flags.h>
22 
23 using android::base::ParseInt;
24 using server_configurable_flags::GetServerConfigurableFlag;
25 
sockaddrSize(const sockaddr * sa)26 socklen_t sockaddrSize(const sockaddr* sa) {
27     if (sa == nullptr) return 0;
28 
29     switch (sa->sa_family) {
30         case AF_INET:
31             return sizeof(sockaddr_in);
32         case AF_INET6:
33             return sizeof(sockaddr_in6);
34         default:
35             return 0;
36     }
37 }
38 
sockaddrSize(const sockaddr_storage & ss)39 socklen_t sockaddrSize(const sockaddr_storage& ss) {
40     return sockaddrSize(reinterpret_cast<const sockaddr*>(&ss));
41 }
42 
getExperimentFlagInt(const std::string & flagName,int defaultValue)43 int getExperimentFlagInt(const std::string& flagName, int defaultValue) {
44     int val = defaultValue;
45     ParseInt(GetServerConfigurableFlag("netd_native", flagName, ""), &val);
46     return val;
47 }
48