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83 lines
2.4 KiB
83 lines
2.4 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/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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std::cout << "# " << args.arg1 |
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<< " (via nethandle " << args.nethandle << "):" |
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<< 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, |
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args.arg1, nullptr, &hints, &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 |
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<< std::endl; |
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return rval; |
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} |
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} |
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rval = getaddrinfo(args.arg1, 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 |
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<< " [" << 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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return 0; |
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}
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