154 lines
4.7 KiB
C++
154 lines
4.7 KiB
C++
/*
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* Copyright 2020 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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#define LOG_TAG "bt_headless"
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <iostream>
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#include <unordered_map>
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#include "base/logging.h" // LOG() stdout and android log
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#include "osi/include/log.h" // android log only
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#include "test/headless/connect/connect.h"
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#include "test/headless/discovery/discovery.h"
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#include "test/headless/dumpsys/dumpsys.h"
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#include "test/headless/get_options.h"
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#include "test/headless/headless.h"
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#include "test/headless/log.h"
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#include "test/headless/nop/nop.h"
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#include "test/headless/pairing/pairing.h"
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#include "test/headless/read/read.h"
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#include "test/headless/scan/scan.h"
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#include "test/headless/sdp/sdp.h"
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#include "test/headless/util.h"
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using namespace bluetooth::test::headless;
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int console_fd = -1;
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namespace {
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constexpr char kRedirectedStderrFilename[] = "/dev/null";
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FILE* redirected_stderr_{nullptr};
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// Ok...so if `stderr` stream is closed, the Android logging system will find
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// another stream to write `LOG(<LogLevel>)` messages...any...stream.
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// Unfortunately the next stream/fd is the bluetooth snooplog output
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// file, so then a btsnoop_hci.log will interleave both raw hci packet
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// data and Android LOG files preventing proper capture of hci traffic.
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// To mitigate this, the `stderr` stream is redirected to another user
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// provided stream, may be `/dev/null`, may be any file if so desired.
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// This keeps everybody happy.
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void start_trick_the_android_logging_subsystem() {
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redirected_stderr_ = freopen(kRedirectedStderrFilename, "w", stderr);
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ASSERT_LOG(redirected_stderr_ != nullptr,
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"Unable to open redirected stderr file");
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}
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void stop_trick_the_android_logging_subsystem() {
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ASSERT(redirected_stderr_ != nullptr);
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fclose(redirected_stderr_);
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redirected_stderr_ = nullptr;
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}
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void clear_logcat() {
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int pid;
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if ((pid = fork())) {
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// parent process
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int status;
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waitpid(pid, &status, 0); // wait for the child to exit
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ASSERT_LOG(WIFEXITED(status), "Unable to clear logcat");
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} else {
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// child process
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const char exec[] = "/system/bin/logcat";
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const char arg0[] = "-c";
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execl(exec, exec, arg0, NULL);
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ASSERT_LOG(false, "Should not return from exec process");
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}
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}
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class Main : public HeadlessTest<int> {
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public:
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Main(const bluetooth::test::headless::GetOpt& options)
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: HeadlessTest<int>(options) {
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test_nodes_.emplace(
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"dumpsys",
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std::make_unique<bluetooth::test::headless::Dumpsys>(options));
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test_nodes_.emplace(
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"connect",
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std::make_unique<bluetooth::test::headless::Connect>(options));
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test_nodes_.emplace(
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"nop", std::make_unique<bluetooth::test::headless::Nop>(options));
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test_nodes_.emplace(
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"pairing",
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std::make_unique<bluetooth::test::headless::Pairing>(options));
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test_nodes_.emplace(
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"read", std::make_unique<bluetooth::test::headless::Read>(options));
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test_nodes_.emplace(
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"scan", std::make_unique<bluetooth::test::headless::Scan>(options));
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test_nodes_.emplace(
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"sdp", std::make_unique<bluetooth::test::headless::Sdp>(options));
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test_nodes_.emplace(
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"discovery",
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std::make_unique<bluetooth::test::headless::Discovery>(options));
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}
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int Run() override {
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console_fd = fcntl(STDERR_FILENO, F_DUPFD_CLOEXEC, STDERR_FILENO);
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ASSERT(console_fd != -1);
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if (options_.close_stderr_) {
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fclose(stderr);
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}
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if (options_.clear_logcat_) {
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clear_logcat();
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}
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start_trick_the_android_logging_subsystem();
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if (is_android_running()) {
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LOG_CONSOLE("Android must be shutdown for binary to run");
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LOG_CONSOLE(" /system/bin/stop");
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return -1;
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}
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LOG_CONSOLE("bt_headless version:\'%s\'", build_id().c_str());
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int rc = HeadlessTest<int>::Run();
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stop_trick_the_android_logging_subsystem();
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return rc;
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}
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};
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} // namespace
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int main(int argc, char** argv) {
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fflush(nullptr);
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setvbuf(stdout, nullptr, _IOLBF, 0);
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bluetooth::test::headless::GetOpt options(argc, argv);
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if (!options.IsValid()) {
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return -1;
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}
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Main main(options);
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return main.Run();
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}
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