175 lines
6.9 KiB
C++
175 lines
6.9 KiB
C++
/*
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* Copyright (C) 2018 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 <fcntl.h>
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#include <inttypes.h>
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#include <limits.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <algorithm>
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#include <cstdlib>
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#include <fstream>
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#include <iomanip>
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#include <iostream>
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#include <memory>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <android-base/logging.h>
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#include "common/libs/fs/shared_fd.h"
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#include "common/libs/fs/shared_select.h"
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#include "common/libs/utils/environment.h"
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#include "common/libs/utils/flag_parser.h"
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#include "common/libs/utils/tee_logging.h"
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#include "host/commands/run_cvd/runner_defs.h"
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#include "host/libs/config/cuttlefish_config.h"
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#include "host/libs/vm_manager/vm_manager.h"
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#define CHECK_PRINT(print, condition, message) \
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if (print) { \
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if (!(condition)) { \
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std::cout << " Status: Stopped (" << message << ")" << std::endl; \
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exit(0); \
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} \
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} else \
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CHECK(condition) << message
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namespace cuttlefish {
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int CvdStatusMain(int argc, char** argv) {
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::android::base::InitLogging(argv, android::base::StderrLogger);
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::android::base::SetLogger(LogToStderrAndFiles({}));
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std::vector<Flag> flags;
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std::int32_t wait_for_launcher;
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Json::Value device_info;
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flags.emplace_back(
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GflagsCompatFlag("wait_for_launcher", wait_for_launcher)
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.Help("How many seconds to wait for the launcher to respond to the "
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"status command. A value of zero means wait indefinitely"));
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std::string instance_name;
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flags.emplace_back(GflagsCompatFlag("instance_name", instance_name)
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.Help("Name of the instance to check. If not "
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"provided, DefaultInstance is used."));
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bool print;
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flags.emplace_back(GflagsCompatFlag("print", print)
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.Help("If provided, prints status and instance config "
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"information to stdout instead of CHECK"));
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bool all_instances;
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flags.emplace_back(
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GflagsCompatFlag("all_instances", all_instances)
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.Help("List all instances status and instance config information."));
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flags.emplace_back(HelpFlag(flags));
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flags.emplace_back(UnexpectedArgumentGuard());
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std::vector<std::string> args =
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ArgsToVec(argc - 1, argv + 1); // Skip argv[0]
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CHECK(ParseFlags(flags, args)) << "Could not process command line flags.";
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auto config = CuttlefishConfig::Get();
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CHECK(config) << "Failed to obtain config object";
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auto instance_names = all_instances ? config->instance_names()
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: std::vector<std::string>{instance_name};
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Json::Value devices_info;
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for (int index = 0; index < instance_names.size(); index++) {
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std::string instance_name = instance_names[index];
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auto instance = instance_name.empty()
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? config->ForDefaultInstance()
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: config->ForInstanceName(instance_name);
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auto monitor_path = instance.launcher_monitor_socket_path();
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CHECK_PRINT(print, !monitor_path.empty(),
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"No path to launcher monitor found");
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auto monitor_socket = SharedFD::SocketLocalClient(
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monitor_path.c_str(), false, SOCK_STREAM, wait_for_launcher);
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CHECK_PRINT(print, monitor_socket->IsOpen(),
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"Unable to connect to launcher monitor at " + monitor_path +
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": " + monitor_socket->StrError());
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auto request = LauncherAction::kStatus;
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auto bytes_sent = monitor_socket->Send(&request, sizeof(request), 0);
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CHECK_PRINT(print, bytes_sent > 0,
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"Error sending launcher monitor the status command: " +
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monitor_socket->StrError());
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// Perform a select with a timeout to guard against launcher hanging
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SharedFDSet read_set;
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read_set.Set(monitor_socket);
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struct timeval timeout = {wait_for_launcher, 0};
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int selected = Select(&read_set, nullptr, nullptr,
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wait_for_launcher <= 0 ? nullptr : &timeout);
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CHECK_PRINT(
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print, selected >= 0,
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std::string("Failed communication with the launcher monitor: ") +
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strerror(errno));
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CHECK_PRINT(print, selected > 0,
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"Timeout expired waiting for launcher monitor to respond");
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LauncherResponse response;
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auto bytes_recv = monitor_socket->Recv(&response, sizeof(response), 0);
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CHECK_PRINT(
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print, bytes_recv > 0,
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std::string("Error receiving response from launcher monitor: ") +
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monitor_socket->StrError());
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CHECK_PRINT(print, response == LauncherResponse::kSuccess,
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std::string("Received '") + static_cast<char>(response) +
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"' response from launcher monitor");
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if (print) {
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devices_info[index]["assembly_dir"] = config->assembly_dir();
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devices_info[index]["instance_name"] = instance.instance_name();
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devices_info[index]["instance_dir"] = instance.instance_dir();
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devices_info[index]["web_access"] =
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"https://" + config->sig_server_address() + ":" +
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std::to_string(config->sig_server_port()) +
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"/client.html?deviceId=" + instance.instance_name();
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devices_info[index]["adb_serial"] = instance.adb_ip_and_port();
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devices_info[index]["webrtc_port"] =
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std::to_string(config->sig_server_port());
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for (int i = 0; i < config->display_configs().size(); i++) {
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devices_info[index]["displays"][i] =
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std::to_string(config->display_configs()[i].width) + " x " +
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std::to_string(config->display_configs()[i].height) + " ( " +
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std::to_string(config->display_configs()[i].dpi) + " )";
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}
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devices_info[index]["status"] = "Running";
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if (index == (instance_names.size() - 1)) {
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std::cout << devices_info.toStyledString() << std::endl;
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}
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} else {
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LOG(INFO) << "run_cvd is active.";
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}
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}
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return 0;
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}
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} // namespace cuttlefish
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int main(int argc, char** argv) {
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return cuttlefish::CvdStatusMain(argc, argv);
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}
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