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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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.
*/
#include <arpa/inet.h>
#include <errno.h>
#include <netdb.h>
#include <netinet/in.h>
#include <string.h>
#include <sys/socket.h>
#include <iostream>
#include <string>
#include <android-base/format.h>
#include <android/multinetwork.h>
#include "common.h"
int main(int argc, const char* argv[]) {
int rval = -1;
struct Arguments args;
if (!args.parseArguments(argc, argv)) { return rval; }
const struct addrinfo hints = {
.ai_family = args.family,
.ai_socktype = SOCK_DGRAM,
};
struct addrinfo *result = nullptr;
time_t t;
time(&t);
srand((unsigned long)time);
for (int i = 0; i < args.attempts; i++) {
std::string name;
if (args.random_name) {
name = fmt::format("{}-{}-ds.metric.gstatic.com", rand(), rand());
} else {
name = args.arg1;
}
std::cout << "# " << name << " (via nethandle " << args.nethandle << "):" << std::endl;
switch (args.api_mode) {
case ApiMode::EXPLICIT:
rval = android_getaddrinfofornetwork(args.nethandle, name.c_str(), nullptr, &hints,
&result);
break;
case ApiMode::PROCESS:
if (args.nethandle != NETWORK_UNSPECIFIED) {
rval = android_setprocnetwork(args.nethandle);
if (rval != 0) {
std::cerr << "android_setprocnetwork returned " << rval << std::endl;
return rval;
}
}
rval = getaddrinfo(name.c_str(), nullptr, &hints, &result);
break;
default:
// Unreachable.
std::cerr << "Unknown api mode." << std::endl;
return -1;
}
if (rval != 0) {
std::cerr << "DNS resolution failure; gaierror=" << rval << " [" << gai_strerror(rval)
<< "]" << std::endl;
return rval;
}
for (struct addrinfo* rp = result; rp != nullptr; rp = rp->ai_next) {
std::cout << inetSockaddrToString(rp->ai_addr) << std::endl;
}
freeaddrinfo(result);
}
return 0;
}
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