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/format.h>
21 #include <android-base/parseint.h>
22 #include <server_configurable_flags/get_flags.h>
23
24 using android::base::ParseInt;
25 using server_configurable_flags::GetServerConfigurableFlag;
26
sockaddrSize(const sockaddr * sa)27 socklen_t sockaddrSize(const sockaddr* sa) {
28 if (sa == nullptr) return 0;
29
30 switch (sa->sa_family) {
31 case AF_INET:
32 return sizeof(sockaddr_in);
33 case AF_INET6:
34 return sizeof(sockaddr_in6);
35 default:
36 return 0;
37 }
38 }
39
sockaddrSize(const sockaddr_storage & ss)40 socklen_t sockaddrSize(const sockaddr_storage& ss) {
41 return sockaddrSize(reinterpret_cast<const sockaddr*>(&ss));
42 }
43
getExperimentFlagInt(const std::string & flagName,int defaultValue)44 int getExperimentFlagInt(const std::string& flagName, int defaultValue) {
45 int val = defaultValue;
46 ParseInt(GetServerConfigurableFlag("netd_native", flagName, ""), &val);
47 return val;
48 }
49
timestampToString(const std::chrono::system_clock::time_point & ts)50 std::string timestampToString(const std::chrono::system_clock::time_point& ts) {
51 using std::chrono::duration_cast;
52 using std::chrono::milliseconds;
53 const auto time_sec = std::chrono::system_clock::to_time_t(ts);
54 char buf[32];
55 std::strftime(buf, sizeof(buf), "%H:%M:%S", std::localtime(&time_sec));
56 int ms = duration_cast<milliseconds>(ts.time_since_epoch()).count() % 1000;
57 return fmt::format("{}.{:03d}", buf, ms);
58 }
59