main.cpp revision 1c70e1bcbcced190b351d4fb418f32b4e428f496
1c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert/* 2c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * Copyright (C) 2015 The Android Open Source Project 3c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * 4c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * Licensed under the Apache License, Version 2.0 (the "License"); 5c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * you may not use this file except in compliance with the License. 6c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * You may obtain a copy of the License at 7c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * 8c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * http://www.apache.org/licenses/LICENSE-2.0 9c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * 10c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * Unless required by applicable law or agreed to in writing, software 11c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * distributed under the License is distributed on an "AS IS" BASIS, 12c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * See the License for the specific language governing permissions and 14c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert * limitations under the License. 15c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert */ 16c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 17aed3c61c4437ebb05eadfb3bf85d6962c30b9935Yabin Cui#define TRACE_TAG ADB 18c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 19c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include "sysdeps.h" 20c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 21c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include <signal.h> 22c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include <stdio.h> 23c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include <stdlib.h> 24b72b3f8c92a0b2d4377d5bec15eb45869b8711acJosh Gao#include <unistd.h> 25c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 26f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao#include <thread> 27f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao 285f787ed2b3b9f6cc02aa5923b95d77e2a5865438David Pursell#include <android-base/errors.h> 294f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/file.h> 304f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/logging.h> 311c70e1bcbcced190b351d4fb418f32b4e428f496Josh Gao#include <android-base/quick_exit.h> 324f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/stringprintf.h> 33c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 34c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include "adb.h" 35c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include "adb_auth.h" 36c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include "adb_listeners.h" 377d586073609723cb2f6ed37de0ad1a7996e621aeJosh Gao#include "adb_utils.h" 38698e065e14840541f218a80241fa880703a7dbc5Felipe Leme#include "commandline.h" 39f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao#include "sysdeps/chrono.h" 40c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#include "transport.h" 41c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 42c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albertstatic std::string GetLogFilePath() { 43d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes#if defined(_WIN32) 44c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert const char log_name[] = "adb.log"; 45cf4ff64f2d3cdc4ffa2f06e594d18a965f591a82Spencer Low WCHAR temp_path[MAX_PATH]; 46c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 47c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert // https://msdn.microsoft.com/en-us/library/windows/desktop/aa364992%28v=vs.85%29.aspx 48cf4ff64f2d3cdc4ffa2f06e594d18a965f591a82Spencer Low DWORD nchars = GetTempPathW(arraysize(temp_path), temp_path); 49d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes if (nchars >= arraysize(temp_path) || nchars == 0) { 50cf4ff64f2d3cdc4ffa2f06e594d18a965f591a82Spencer Low // If string truncation or some other error. 51155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low fatal("cannot retrieve temporary file path: %s\n", 525f787ed2b3b9f6cc02aa5923b95d77e2a5865438David Pursell android::base::SystemErrorCodeToString(GetLastError()).c_str()); 53c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert } 54c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 55d21dc825bbecad6ce480c5e5c574cc77eadcd779Spencer Low std::string temp_path_utf8; 56d21dc825bbecad6ce480c5e5c574cc77eadcd779Spencer Low if (!android::base::WideToUTF8(temp_path, &temp_path_utf8)) { 57d21dc825bbecad6ce480c5e5c574cc77eadcd779Spencer Low fatal_errno("cannot convert temporary file path from UTF-16 to UTF-8"); 58d21dc825bbecad6ce480c5e5c574cc77eadcd779Spencer Low } 59d21dc825bbecad6ce480c5e5c574cc77eadcd779Spencer Low 60d21dc825bbecad6ce480c5e5c574cc77eadcd779Spencer Low return temp_path_utf8 + log_name; 61c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#else 62d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes const char* tmp_dir = getenv("TMPDIR"); 63d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes if (tmp_dir == nullptr) tmp_dir = "/tmp"; 64d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes return android::base::StringPrintf("%s/adb.%u.log", tmp_dir, getuid()); 65c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#endif 66d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes} 67c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 68c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albertstatic void setup_daemon_logging(void) { 69155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low const std::string log_file_path(GetLogFilePath()); 7065433da1cbd8d2869a60ce3bf18b6b440461741dElliott Hughes int fd = unix_open(log_file_path.c_str(), O_WRONLY | O_CREAT | O_APPEND, 0640); 71c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert if (fd == -1) { 72155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low fatal("cannot open '%s': %s", log_file_path.c_str(), strerror(errno)); 73155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low } 74155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low if (dup2(fd, STDOUT_FILENO) == -1) { 75155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low fatal("cannot redirect stdout: %s", strerror(errno)); 76155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low } 77155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low if (dup2(fd, STDERR_FILENO) == -1) { 78155159c545ee1a6d8e3cbea866ea66096f4db5f3Spencer Low fatal("cannot redirect stderr: %s", strerror(errno)); 79c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert } 80d0f66c361641dc30162877ee3e4b4690d6833442Spencer Low unix_close(fd); 81d0f66c361641dc30162877ee3e4b4690d6833442Spencer Low 82c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert fprintf(stderr, "--- adb starting (pid %d) ---\n", getpid()); 83743883b570b200ff4d73d60798d63136f3e3d82eSiva Velusamy LOG(INFO) << adb_version(); 84c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert} 85c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 86d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes#if defined(_WIN32) 87d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughesstatic BOOL WINAPI ctrlc_handler(DWORD type) { 88d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes // TODO: Consider trying to kill a starting up adb server (if we're in 89d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes // launch_server) by calling GenerateConsoleCtrlEvent(). 901c70e1bcbcced190b351d4fb418f32b4e428f496Josh Gao android::base::quick_exit(STATUS_CONTROL_C_EXIT); 91d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes return TRUE; 92d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes} 93d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes#endif 94d89a6c2285b64320918b25b1c818da24dd4d02b4Elliott Hughes 959c869b58a8cf4f7c3bc88931fbd27d3f5187b2dbJosh Gaoint adb_server_main(int is_daemon, const std::string& socket_spec, int ack_reply_fd) { 96c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#if defined(_WIN32) 972122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low // adb start-server starts us up with stdout and stderr hooked up to 9865433da1cbd8d2869a60ce3bf18b6b440461741dElliott Hughes // anonymous pipes. When the C Runtime sees this, it makes stderr and 992122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low // stdout buffered, but to improve the chance that error output is seen, 1002122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low // unbuffer stdout and stderr just like if we were run at the console. 1012122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low // This also keeps stderr unbuffered when it is redirected to adb.log. 1022122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low if (is_daemon) { 1032122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low if (setvbuf(stdout, NULL, _IONBF, 0) == -1) { 1042122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low fatal("cannot make stdout unbuffered: %s", strerror(errno)); 1052122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low } 1062122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low if (setvbuf(stderr, NULL, _IONBF, 0) == -1) { 1072122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low fatal("cannot make stderr unbuffered: %s", strerror(errno)); 1082122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low } 1092122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low } 1102122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low 111c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert SetConsoleCtrlHandler(ctrlc_handler, TRUE); 1121c70e1bcbcced190b351d4fb418f32b4e428f496Josh Gao#else 1131c70e1bcbcced190b351d4fb418f32b4e428f496Josh Gao signal(SIGINT, [](int) { 1141c70e1bcbcced190b351d4fb418f32b4e428f496Josh Gao android::base::quick_exit(0); 1151c70e1bcbcced190b351d4fb418f32b4e428f496Josh Gao }); 116c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#endif 117c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 118c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert init_transport_registration(); 119c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 120c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert usb_init(); 121c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); 122c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 1235200c6670f041550c23821fec8e8e49b30ef6d29Spencer Low std::string error; 124f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao 125f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao auto start = std::chrono::steady_clock::now(); 126f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao 127f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao // If we told a previous adb server to quit because of version mismatch, we can get to this 128f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao // point before it's finished exiting. Retry for a while to give it some time. 129f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao while (install_listener(socket_spec, "*smartsocket*", nullptr, 0, nullptr, &error) != 130f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao INSTALL_STATUS_OK) { 131f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao if (std::chrono::steady_clock::now() - start > 0.5s) { 132f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao fatal("could not install *smartsocket* listener: %s", error.c_str()); 133f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao } 134f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao 135f0f854bc76458b10b6b3ed88655fd87cd156dc70Josh Gao std::this_thread::sleep_for(100ms); 136c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert } 137c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 138c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert if (is_daemon) { 1392122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low close_stdin(); 1402122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low setup_daemon_logging(); 1410aeb50500c76ea67d6f452907f5503d590e81a54Elliott Hughes } 1420aeb50500c76ea67d6f452907f5503d590e81a54Elliott Hughes 1430aeb50500c76ea67d6f452907f5503d590e81a54Elliott Hughes adb_auth_init(); 1442122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low 1450aeb50500c76ea67d6f452907f5503d590e81a54Elliott Hughes if (is_daemon) { 146b72b3f8c92a0b2d4377d5bec15eb45869b8711acJosh Gao#if !defined(_WIN32) 1476bf323b97a11194d6186f8db2ee4a5eaca8d0141Yabin Cui // Start a new session for the daemon. Do this here instead of after the fork so 1486bf323b97a11194d6186f8db2ee4a5eaca8d0141Yabin Cui // that a ctrl-c between the "starting server" and "done starting server" messages 1496bf323b97a11194d6186f8db2ee4a5eaca8d0141Yabin Cui // gets a chance to terminate the server. 150c8fab89f1b5ae8c3752979e1a1004eda8b185687Tao Wu // setsid will fail with EPERM if it's already been a lead process of new session. 151c8fab89f1b5ae8c3752979e1a1004eda8b185687Tao Wu // Ignore such error. 152c8fab89f1b5ae8c3752979e1a1004eda8b185687Tao Wu if (setsid() == -1 && errno != EPERM) { 1536bf323b97a11194d6186f8db2ee4a5eaca8d0141Yabin Cui fatal("setsid() failed: %s", strerror(errno)); 1546bf323b97a11194d6186f8db2ee4a5eaca8d0141Yabin Cui } 155b72b3f8c92a0b2d4377d5bec15eb45869b8711acJosh Gao#endif 156b72b3f8c92a0b2d4377d5bec15eb45869b8711acJosh Gao 1570aeb50500c76ea67d6f452907f5503d590e81a54Elliott Hughes // Inform our parent that we are up and running. 1580aeb50500c76ea67d6f452907f5503d590e81a54Elliott Hughes 1592122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low // Any error output written to stderr now goes to adb.log. We could 1602122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low // keep around a copy of the stderr fd and use that to write any errors 1612122c7a1483dc6050b33f58fad4a15d5acd79fddSpencer Low // encountered by the following code, but that is probably overkill. 162c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#if defined(_WIN32) 1635c398d2ce96150e94e596e959bfe2246b94de660Spencer Low const HANDLE ack_reply_handle = cast_int_to_handle(ack_reply_fd); 1645c398d2ce96150e94e596e959bfe2246b94de660Spencer Low const CHAR ack[] = "OK\n"; 1655c398d2ce96150e94e596e959bfe2246b94de660Spencer Low const DWORD bytes_to_write = arraysize(ack) - 1; 1665c398d2ce96150e94e596e959bfe2246b94de660Spencer Low DWORD written = 0; 1675c398d2ce96150e94e596e959bfe2246b94de660Spencer Low if (!WriteFile(ack_reply_handle, ack, bytes_to_write, &written, NULL)) { 1685c398d2ce96150e94e596e959bfe2246b94de660Spencer Low fatal("adb: cannot write ACK to handle 0x%p: %s", ack_reply_handle, 1695f787ed2b3b9f6cc02aa5923b95d77e2a5865438David Pursell android::base::SystemErrorCodeToString(GetLastError()).c_str()); 1705c398d2ce96150e94e596e959bfe2246b94de660Spencer Low } 1715c398d2ce96150e94e596e959bfe2246b94de660Spencer Low if (written != bytes_to_write) { 1725c398d2ce96150e94e596e959bfe2246b94de660Spencer Low fatal("adb: cannot write %lu bytes of ACK: only wrote %lu bytes", 1735c398d2ce96150e94e596e959bfe2246b94de660Spencer Low bytes_to_write, written); 1745c398d2ce96150e94e596e959bfe2246b94de660Spencer Low } 1755c398d2ce96150e94e596e959bfe2246b94de660Spencer Low CloseHandle(ack_reply_handle); 1765c398d2ce96150e94e596e959bfe2246b94de660Spencer Low#else 1779f2d1a9cfc04e1d5970823da1878097288a9a9cdSiva Velusamy // TODO(danalbert): Can't use SendOkay because we're sending "OK\n", not 1789f2d1a9cfc04e1d5970823da1878097288a9a9cdSiva Velusamy // "OKAY". 179f18fc0879be9cd506be6b1e051feb543b0746bdbSpencer Low if (!android::base::WriteStringToFd("OK\n", ack_reply_fd)) { 180f18fc0879be9cd506be6b1e051feb543b0746bdbSpencer Low fatal_errno("error writing ACK to fd %d", ack_reply_fd); 181f18fc0879be9cd506be6b1e051feb543b0746bdbSpencer Low } 1825c398d2ce96150e94e596e959bfe2246b94de660Spencer Low unix_close(ack_reply_fd); 183c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert#endif 184c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert } 185c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 1867a3f8d6691b3fbd8014a98de8455dbcfcc9629e4Yabin Cui D("Event loop starting"); 187c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert fdevent_loop(); 188c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 189c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert return 0; 190c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert} 191c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert 192c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albertint main(int argc, char** argv) { 1939313c0df20d7cc8ea6a074a3d53022c4b3b5ea05Dan Albert adb_trace_init(argv); 194c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert return adb_commandline(argc - 1, const_cast<const char**>(argv + 1)); 195c89e0ccd40624e8b2ce30d425e8bed0264fae548Dan Albert} 196