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96 lines
2.8 KiB
96 lines
2.8 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <arpa/inet.h>
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#include <errno.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <iostream>
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#include <string>
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#include <android-base/format.h>
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#include <android/multinetwork.h>
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#include "common.h"
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int main(int argc, const char* argv[]) {
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int rval = -1;
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struct Arguments args;
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if (!args.parseArguments(argc, argv)) { return rval; }
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const struct addrinfo hints = {
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.ai_family = args.family,
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.ai_socktype = SOCK_DGRAM,
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};
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struct addrinfo *result = nullptr;
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time_t t;
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time(&t);
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srand((unsigned long)time);
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for (int i = 0; i < args.attempts; i++) {
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std::string name;
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if (args.random_name) {
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name = fmt::format("{}-{}-ds.metric.gstatic.com", rand(), rand());
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} else {
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name = args.arg1;
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}
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std::cout << "# " << name << " (via nethandle " << args.nethandle << "):" << std::endl;
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switch (args.api_mode) {
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case ApiMode::EXPLICIT:
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rval = android_getaddrinfofornetwork(args.nethandle, name.c_str(), nullptr, &hints,
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&result);
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break;
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case ApiMode::PROCESS:
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if (args.nethandle != NETWORK_UNSPECIFIED) {
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rval = android_setprocnetwork(args.nethandle);
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if (rval != 0) {
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std::cerr << "android_setprocnetwork returned " << rval << std::endl;
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return rval;
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}
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}
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rval = getaddrinfo(name.c_str(), nullptr, &hints, &result);
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break;
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default:
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// Unreachable.
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std::cerr << "Unknown api mode." << std::endl;
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return -1;
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}
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if (rval != 0) {
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std::cerr << "DNS resolution failure; gaierror=" << rval << " [" << gai_strerror(rval)
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<< "]" << std::endl;
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return rval;
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}
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for (struct addrinfo* rp = result; rp != nullptr; rp = rp->ai_next) {
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std::cout << inetSockaddrToString(rp->ai_addr) << std::endl;
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}
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freeaddrinfo(result);
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}
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return 0;
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}
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