Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 1 | /* |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 2 | * Copyright (C) 2009 The Android Open Source Project |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 3 | * |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 15 | */ |
| 16 | |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 17 | #include <algorithm> |
| 18 | #include <chrono> |
Kevin Rocard | 430e079 | 2017-08-14 20:40:24 -0700 | [diff] [blame] | 19 | #include <iomanip> |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 20 | #include <thread> |
| 21 | |
| 22 | #include <android-base/file.h> |
mukesh agrawal | 2f1eb1c | 2016-06-08 18:16:36 -0700 | [diff] [blame] | 23 | #include <android-base/stringprintf.h> |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 24 | #include <android-base/unique_fd.h> |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 25 | #include <binder/Parcel.h> |
| 26 | #include <binder/ProcessState.h> |
Mathias Agopian | 002e1e5 | 2013-05-06 20:20:50 -0700 | [diff] [blame] | 27 | #include <binder/TextOutput.h> |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 28 | #include <serviceutils/PriorityDumper.h> |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 29 | #include <utils/Log.h> |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 30 | #include <utils/Vector.h> |
| 31 | |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 32 | #include <fcntl.h> |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 33 | #include <getopt.h> |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 34 | #include <stdio.h> |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 35 | #include <stdlib.h> |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 36 | #include <string.h> |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 37 | #include <sys/poll.h> |
| 38 | #include <sys/socket.h> |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 39 | #include <sys/time.h> |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 40 | #include <sys/types.h> |
| 41 | #include <unistd.h> |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 42 | |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 43 | #include "dumpsys.h" |
| 44 | |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 45 | using namespace android; |
mukesh agrawal | 2f1eb1c | 2016-06-08 18:16:36 -0700 | [diff] [blame] | 46 | using android::base::StringPrintf; |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 47 | using android::base::unique_fd; |
| 48 | using android::base::WriteFully; |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 49 | |
Steven Moreland | 2c3cd83 | 2017-02-13 23:44:17 +0000 | [diff] [blame] | 50 | static int sort_func(const String16* lhs, const String16* rhs) |
| 51 | { |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 52 | return lhs->compare(*rhs); |
| 53 | } |
| 54 | |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 55 | static void usage() { |
| 56 | fprintf(stderr, |
Vishnu Nair | f56042d | 2017-09-19 15:25:10 -0700 | [diff] [blame] | 57 | "usage: dumpsys\n" |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 58 | " To dump all services.\n" |
| 59 | "or:\n" |
Vishnu Nair | f56042d | 2017-09-19 15:25:10 -0700 | [diff] [blame] | 60 | " dumpsys [-t TIMEOUT] [--priority LEVEL] [--help | -l | --skip SERVICES | " |
| 61 | "SERVICE [ARGS]]\n" |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 62 | " --help: shows this help\n" |
| 63 | " -l: only list services, do not dump them\n" |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 64 | " -t TIMEOUT: TIMEOUT to use in seconds instead of default 10 seconds\n" |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 65 | " --proto: filter services that support dumping data in proto format. Dumps" |
| 66 | " will be in proto format.\n" |
Vishnu Nair | f56042d | 2017-09-19 15:25:10 -0700 | [diff] [blame] | 67 | " --priority LEVEL: filter services based on specified priority\n" |
| 68 | " LEVEL must be one of CRITICAL | HIGH | NORMAL\n" |
Felipe Leme | 859aef6 | 2016-02-03 12:17:10 -0800 | [diff] [blame] | 69 | " --skip SERVICES: dumps all services but SERVICES (comma-separated list)\n" |
| 70 | " SERVICE [ARGS]: dumps only service SERVICE, optionally passing ARGS to it\n"); |
| 71 | } |
| 72 | |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 73 | static bool IsSkipped(const Vector<String16>& skipped, const String16& service) { |
Felipe Leme | 859aef6 | 2016-02-03 12:17:10 -0800 | [diff] [blame] | 74 | for (const auto& candidate : skipped) { |
| 75 | if (candidate == service) { |
| 76 | return true; |
| 77 | } |
| 78 | } |
| 79 | return false; |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 80 | } |
| 81 | |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 82 | static bool ConvertPriorityTypeToBitmask(const String16& type, int& bitmask) { |
| 83 | if (type == PriorityDumper::PRIORITY_ARG_CRITICAL) { |
| 84 | bitmask = IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL; |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 85 | return true; |
| 86 | } |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 87 | if (type == PriorityDumper::PRIORITY_ARG_HIGH) { |
| 88 | bitmask = IServiceManager::DUMP_FLAG_PRIORITY_HIGH; |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 89 | return true; |
| 90 | } |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 91 | if (type == PriorityDumper::PRIORITY_ARG_NORMAL) { |
| 92 | bitmask = IServiceManager::DUMP_FLAG_PRIORITY_NORMAL; |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 93 | return true; |
| 94 | } |
| 95 | return false; |
| 96 | } |
| 97 | |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 98 | int Dumpsys::main(int argc, char* const argv[]) { |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 99 | Vector<String16> services; |
| 100 | Vector<String16> args; |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 101 | String16 priorityType; |
Felipe Leme | 859aef6 | 2016-02-03 12:17:10 -0800 | [diff] [blame] | 102 | Vector<String16> skippedServices; |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 103 | Vector<String16> protoServices; |
keunyoung | caad555 | 2013-06-13 15:08:51 -0700 | [diff] [blame] | 104 | bool showListOnly = false; |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 105 | bool skipServices = false; |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 106 | bool filterByProto = false; |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 107 | int timeoutArg = 10; |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 108 | int dumpPriorityFlags = IServiceManager::DUMP_FLAG_PRIORITY_ALL; |
Vishnu Nair | f56042d | 2017-09-19 15:25:10 -0700 | [diff] [blame] | 109 | static struct option longOptions[] = {{"priority", required_argument, 0, 0}, |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 110 | {"proto", no_argument, 0, 0}, |
Vishnu Nair | f56042d | 2017-09-19 15:25:10 -0700 | [diff] [blame] | 111 | {"skip", no_argument, 0, 0}, |
| 112 | {"help", no_argument, 0, 0}, |
| 113 | {0, 0, 0, 0}}; |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 114 | |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 115 | // Must reset optind, otherwise subsequent calls will fail (wouldn't happen on main.cpp, but |
| 116 | // happens on test cases). |
| 117 | optind = 1; |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 118 | while (1) { |
| 119 | int c; |
| 120 | int optionIndex = 0; |
| 121 | |
| 122 | c = getopt_long(argc, argv, "+t:l", longOptions, &optionIndex); |
| 123 | |
| 124 | if (c == -1) { |
| 125 | break; |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 126 | } |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 127 | |
| 128 | switch (c) { |
| 129 | case 0: |
| 130 | if (!strcmp(longOptions[optionIndex].name, "skip")) { |
| 131 | skipServices = true; |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 132 | } else if (!strcmp(longOptions[optionIndex].name, "proto")) { |
| 133 | filterByProto = true; |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 134 | } else if (!strcmp(longOptions[optionIndex].name, "help")) { |
| 135 | usage(); |
| 136 | return 0; |
Vishnu Nair | f56042d | 2017-09-19 15:25:10 -0700 | [diff] [blame] | 137 | } else if (!strcmp(longOptions[optionIndex].name, "priority")) { |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 138 | priorityType = String16(String8(optarg)); |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 139 | if (!ConvertPriorityTypeToBitmask(priorityType, dumpPriorityFlags)) { |
Vishnu Nair | f56042d | 2017-09-19 15:25:10 -0700 | [diff] [blame] | 140 | fprintf(stderr, "\n"); |
| 141 | usage(); |
| 142 | return -1; |
| 143 | } |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 144 | } |
| 145 | break; |
| 146 | |
| 147 | case 't': |
| 148 | { |
| 149 | char *endptr; |
| 150 | timeoutArg = strtol(optarg, &endptr, 10); |
| 151 | if (*endptr != '\0' || timeoutArg <= 0) { |
| 152 | fprintf(stderr, "Error: invalid timeout number: '%s'\n", optarg); |
| 153 | return -1; |
| 154 | } |
| 155 | } |
| 156 | break; |
| 157 | |
| 158 | case 'l': |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 159 | showListOnly = true; |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 160 | break; |
| 161 | |
| 162 | default: |
| 163 | fprintf(stderr, "\n"); |
| 164 | usage(); |
| 165 | return -1; |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 166 | } |
keunyoung | caad555 | 2013-06-13 15:08:51 -0700 | [diff] [blame] | 167 | } |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 168 | |
| 169 | for (int i = optind; i < argc; i++) { |
| 170 | if (skipServices) { |
| 171 | skippedServices.add(String16(argv[i])); |
| 172 | } else { |
| 173 | if (i == optind) { |
| 174 | services.add(String16(argv[i])); |
| 175 | } else { |
| 176 | args.add(String16(argv[i])); |
Felipe Leme | 859aef6 | 2016-02-03 12:17:10 -0800 | [diff] [blame] | 177 | } |
| 178 | } |
| 179 | } |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 180 | |
| 181 | if ((skipServices && skippedServices.empty()) || |
Steven Moreland | 2c3cd83 | 2017-02-13 23:44:17 +0000 | [diff] [blame] | 182 | (showListOnly && (!services.empty() || !skippedServices.empty()))) { |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 183 | usage(); |
| 184 | return -1; |
| 185 | } |
| 186 | |
Thierry Strudel | 159a832 | 2016-03-23 11:22:34 -0700 | [diff] [blame] | 187 | if (services.empty() || showListOnly) { |
Felipe Leme | 859aef6 | 2016-02-03 12:17:10 -0800 | [diff] [blame] | 188 | // gets all services |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 189 | services = sm_->listServices(dumpPriorityFlags); |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 190 | services.sort(sort_func); |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 191 | if (filterByProto) { |
| 192 | protoServices = sm_->listServices(IServiceManager::DUMP_FLAG_PROTO); |
| 193 | protoServices.sort(sort_func); |
| 194 | Vector<String16> intersection; |
| 195 | std::set_intersection(services.begin(), services.end(), protoServices.begin(), |
| 196 | protoServices.end(), std::back_inserter(intersection)); |
| 197 | services = std::move(intersection); |
| 198 | args.insertAt(String16(PriorityDumper::PROTO_ARG), 0); |
| 199 | } |
| 200 | if (dumpPriorityFlags != IServiceManager::DUMP_FLAG_PRIORITY_ALL) { |
| 201 | args.insertAt(String16(PriorityDumper::PRIORITY_ARG), 0); |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 202 | args.insertAt(priorityType, 1); |
| 203 | } else { |
| 204 | args.add(String16("-a")); |
| 205 | } |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | const size_t N = services.size(); |
| 209 | |
| 210 | if (N > 1) { |
| 211 | // first print a list of the current services |
| 212 | aout << "Currently running services:" << endl; |
Felipe Leme | bbfd2b8 | 2016-02-03 11:16:27 -0800 | [diff] [blame] | 213 | |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 214 | for (size_t i=0; i<N; i++) { |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 215 | sp<IBinder> service = sm_->checkService(services[i]); |
| 216 | |
| 217 | if (service != nullptr) { |
Felipe Leme | 859aef6 | 2016-02-03 12:17:10 -0800 | [diff] [blame] | 218 | bool skipped = IsSkipped(skippedServices, services[i]); |
| 219 | aout << " " << services[i] << (skipped ? " (skipped)" : "") << endl; |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
keunyoung | caad555 | 2013-06-13 15:08:51 -0700 | [diff] [blame] | 224 | if (showListOnly) { |
| 225 | return 0; |
| 226 | } |
| 227 | |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 228 | for (size_t i = 0; i < N; i++) { |
Chih-Hung Hsieh | cb057c2 | 2017-08-03 15:48:25 -0700 | [diff] [blame] | 229 | const String16& service_name = std::move(services[i]); |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 230 | if (IsSkipped(skippedServices, service_name)) continue; |
Felipe Leme | 859aef6 | 2016-02-03 12:17:10 -0800 | [diff] [blame] | 231 | |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 232 | sp<IBinder> service = sm_->checkService(service_name); |
| 233 | if (service != nullptr) { |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 234 | int sfd[2]; |
| 235 | |
Josh Gao | 49f0a0c | 2016-03-04 13:12:29 -0800 | [diff] [blame] | 236 | if (pipe(sfd) != 0) { |
| 237 | aerr << "Failed to create pipe to dump service info for " << service_name |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 238 | << ": " << strerror(errno) << endl; |
| 239 | continue; |
| 240 | } |
| 241 | |
| 242 | unique_fd local_end(sfd[0]); |
| 243 | unique_fd remote_end(sfd[1]); |
| 244 | sfd[0] = sfd[1] = -1; |
| 245 | |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 246 | if (N > 1) { |
| 247 | aout << "------------------------------------------------------------" |
| 248 | "-------------------" << endl; |
Vishnu Nair | 6a40853 | 2017-10-24 09:11:27 -0700 | [diff] [blame^] | 249 | if (dumpPriorityFlags == IServiceManager::DUMP_FLAG_PRIORITY_ALL) { |
Vishnu Nair | 780b128 | 2017-10-10 13:57:24 -0700 | [diff] [blame] | 250 | aout << "DUMP OF SERVICE " << service_name << ":" << endl; |
| 251 | } else { |
| 252 | aout << "DUMP OF SERVICE " << priorityType << " " << service_name << ":" << endl; |
| 253 | } |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 254 | } |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 255 | |
| 256 | // dump blocks until completion, so spawn a thread.. |
| 257 | std::thread dump_thread([=, remote_end { std::move(remote_end) }]() mutable { |
| 258 | int err = service->dump(remote_end.get(), args); |
| 259 | |
| 260 | // It'd be nice to be able to close the remote end of the socketpair before the dump |
| 261 | // call returns, to terminate our reads if the other end closes their copy of the |
| 262 | // file descriptor, but then hangs for some reason. There doesn't seem to be a good |
| 263 | // way to do this, though. |
Josh Gao | 9656be1 | 2016-09-19 12:44:50 -0700 | [diff] [blame] | 264 | remote_end.reset(); |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 265 | |
| 266 | if (err != 0) { |
| 267 | aerr << "Error dumping service info: (" << strerror(err) << ") " << service_name |
| 268 | << endl; |
| 269 | } |
| 270 | }); |
| 271 | |
Thierry Strudel | 8b78b75 | 2016-03-22 10:25:44 -0700 | [diff] [blame] | 272 | auto timeout = std::chrono::seconds(timeoutArg); |
mukesh agrawal | 2f1eb1c | 2016-06-08 18:16:36 -0700 | [diff] [blame] | 273 | auto start = std::chrono::steady_clock::now(); |
| 274 | auto end = start + timeout; |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 275 | |
| 276 | struct pollfd pfd = { |
| 277 | .fd = local_end.get(), |
| 278 | .events = POLLIN |
| 279 | }; |
| 280 | |
| 281 | bool timed_out = false; |
| 282 | bool error = false; |
| 283 | while (true) { |
| 284 | // Wrap this in a lambda so that TEMP_FAILURE_RETRY recalculates the timeout. |
| 285 | auto time_left_ms = [end]() { |
| 286 | auto now = std::chrono::steady_clock::now(); |
| 287 | auto diff = std::chrono::duration_cast<std::chrono::milliseconds>(end - now); |
| 288 | return std::max(diff.count(), 0ll); |
| 289 | }; |
| 290 | |
| 291 | int rc = TEMP_FAILURE_RETRY(poll(&pfd, 1, time_left_ms())); |
| 292 | if (rc < 0) { |
| 293 | aerr << "Error in poll while dumping service " << service_name << " : " |
| 294 | << strerror(errno) << endl; |
| 295 | error = true; |
| 296 | break; |
| 297 | } else if (rc == 0) { |
| 298 | timed_out = true; |
| 299 | break; |
| 300 | } |
| 301 | |
| 302 | char buf[4096]; |
| 303 | rc = TEMP_FAILURE_RETRY(read(local_end.get(), buf, sizeof(buf))); |
| 304 | if (rc < 0) { |
| 305 | aerr << "Failed to read while dumping service " << service_name << ": " |
| 306 | << strerror(errno) << endl; |
| 307 | error = true; |
| 308 | break; |
| 309 | } else if (rc == 0) { |
| 310 | // EOF. |
| 311 | break; |
| 312 | } |
| 313 | |
| 314 | if (!WriteFully(STDOUT_FILENO, buf, rc)) { |
| 315 | aerr << "Failed to write while dumping service " << service_name << ": " |
| 316 | << strerror(errno) << endl; |
| 317 | error = true; |
| 318 | break; |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | if (timed_out) { |
Felipe Leme | 343175a | 2016-08-02 18:57:37 -0700 | [diff] [blame] | 323 | aout << endl |
| 324 | << "*** SERVICE '" << service_name << "' DUMP TIMEOUT (" << timeoutArg |
| 325 | << "s) EXPIRED ***" << endl |
| 326 | << endl; |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | if (timed_out || error) { |
| 330 | dump_thread.detach(); |
| 331 | } else { |
| 332 | dump_thread.join(); |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 333 | } |
mukesh agrawal | 2f1eb1c | 2016-06-08 18:16:36 -0700 | [diff] [blame] | 334 | |
| 335 | if (N > 1) { |
| 336 | std::chrono::duration<double> elapsed_seconds = |
| 337 | std::chrono::steady_clock::now() - start; |
mukesh agrawal | bca287d | 2016-07-27 12:01:49 -0700 | [diff] [blame] | 338 | aout << StringPrintf("--------- %.3fs ", elapsed_seconds.count()).c_str() |
Kevin Rocard | 430e079 | 2017-08-14 20:40:24 -0700 | [diff] [blame] | 339 | << "was the duration of dumpsys " << service_name; |
| 340 | |
| 341 | using std::chrono::system_clock; |
| 342 | const auto finish = system_clock::to_time_t(system_clock::now()); |
| 343 | std::tm finish_tm; |
| 344 | localtime_r(&finish, &finish_tm); |
| 345 | aout << ", ending at: " << std::put_time(&finish_tm, "%Y-%m-%d %H:%M:%S") |
| 346 | << endl; |
mukesh agrawal | 2f1eb1c | 2016-06-08 18:16:36 -0700 | [diff] [blame] | 347 | } |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 348 | } else { |
Josh Gao | 4b8f6f9 | 2016-02-29 16:20:34 -0800 | [diff] [blame] | 349 | aerr << "Can't find service: " << service_name << endl; |
Colin Cross | f45fa6b | 2012-03-26 12:38:26 -0700 | [diff] [blame] | 350 | } |
| 351 | } |
| 352 | |
| 353 | return 0; |
| 354 | } |