49e4a98f78
The one in this file requires libbinder and cannot be used when libbinder is not present (e.g., when compiling against the NDK). This allows users of this code not to link against libbinder, and have the resulting binary not depend on it: $ m CtsNativeNetPlatformTestCases netd_integration_test $ objdump -p out/target/product/vsoc_x86_64/testcases/netd_integration_test/x86_64/netd_integration_test64 | grep NEEDED | grep libbinder NEEDED libbinder.so NEEDED libbinder_ndk.so $ objdump -p out/target/product/vsoc_x86_64/testcases/CtsNativeNetPlatformTestCases/x86_64/CtsNativeNetPlatformTestCases64 | grep NEEDED | grep libbinder NEEDED libbinder_ndk.so $ Bug: 268440865 Test: see other CL in topic Merged-In: Icf982675aad4777677a36e357035809fb251d6e9 Change-Id: Icf982675aad4777677a36e357035809fb251d6e9
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/*
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* Copyright (C) 2022 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 "nettestutils/DumpService.h"
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#include <android-base/file.h>
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#include <android/binder_status.h>
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#include <sstream>
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#include <thread>
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// Version for code using libbinder (e.g., AIDL interfaces with the C++ backend).
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android::status_t dumpService(const android::sp<android::IBinder>& binder,
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const std::vector<std::string>& args,
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std::vector<std::string>& outputLines) {
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if (!outputLines.empty()) return -EUCLEAN;
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android::base::unique_fd localFd, remoteFd;
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if (!Pipe(&localFd, &remoteFd)) return -errno;
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android::Vector<android::String16> str16Args;
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for (const auto& arg : args) {
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str16Args.push(android::String16(arg.c_str()));
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}
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android::status_t ret;
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// dump() blocks until another thread has consumed all its output.
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std::thread dumpThread =
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std::thread([&ret, binder, remoteFd{std::move(remoteFd)}, str16Args]() {
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ret = binder->dump(remoteFd, str16Args);
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});
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std::string dumpContent;
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if (!android::base::ReadFdToString(localFd.get(), &dumpContent)) {
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return -errno;
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}
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dumpThread.join();
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if (ret != android::OK) return ret;
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std::stringstream dumpStream(std::move(dumpContent));
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std::string line;
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while (std::getline(dumpStream, line)) {
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outputLines.push_back(line);
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}
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return android::OK;
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}
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// Version for code using libbinder_ndk (e.g., AIDL interfaces with the NDK backend)..
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android::status_t dumpService(const ndk::SpAIBinder& binder,
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const char** args,
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uint32_t num_args,
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std::vector<std::string>& outputLines) {
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if (!outputLines.empty()) return -EUCLEAN;
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android::base::unique_fd localFd, remoteFd;
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if (!Pipe(&localFd, &remoteFd)) return -errno;
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android::status_t ret;
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// dump() blocks until another thread has consumed all its output.
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std::thread dumpThread =
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std::thread([&ret, binder, remoteFd{std::move(remoteFd)}, args, num_args]() {
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ret = AIBinder_dump(binder.get(), remoteFd, args, num_args);
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});
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std::string dumpContent;
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if (!android::base::ReadFdToString(localFd.get(), &dumpContent)) {
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return -errno;
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}
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dumpThread.join();
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if (ret != android::OK) return ret;
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std::stringstream dumpStream(dumpContent);
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std::string line;
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while (std::getline(dumpStream, line)) {
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outputLines.push_back(std::move(line));
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}
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return android::OK;
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}
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