Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013-2017 The Android Open Source Project |
| 3 | * |
| 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. |
| 15 | */ |
| 16 | |
| 17 | #include <sys/types.h> |
| 18 | #include <time.h> |
| 19 | #include <unistd.h> |
| 20 | |
| 21 | #include <string> |
| 22 | |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 23 | #include <android-base/stringprintf.h> |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 24 | #include <android/log.h> // minimal logging API |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 25 | #include <gtest/gtest.h> |
Mark Salyzyn | 37eaefa | 2017-05-23 13:59:42 -0700 | [diff] [blame] | 26 | #include <log/log_properties.h> |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 27 | // Test the APIs in this standalone include file |
| 28 | #include <log/log_read.h> |
| 29 | // Do not use anything in log/log_time.h despite side effects of the above. |
Mark Salyzyn | ea03e1f | 2018-06-05 07:33:35 -0700 | [diff] [blame^] | 30 | #include <private/android_logger.h> |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 31 | |
| 32 | TEST(liblog, __android_log_write__android_logger_list_read) { |
| 33 | #ifdef __ANDROID__ |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 34 | pid_t pid = getpid(); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 35 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 36 | struct logger_list* logger_list; |
| 37 | ASSERT_TRUE( |
| 38 | NULL != |
| 39 | (logger_list = android_logger_list_open( |
| 40 | LOG_ID_MAIN, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, 1000, pid))); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 41 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 42 | struct timespec ts; |
| 43 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 44 | std::string buf = android::base::StringPrintf("pid=%u ts=%ld.%09ld", pid, |
| 45 | ts.tv_sec, ts.tv_nsec); |
| 46 | static const char tag[] = |
| 47 | "liblog.__android_log_write__android_logger_list_read"; |
| 48 | static const char prio = ANDROID_LOG_DEBUG; |
| 49 | ASSERT_LT(0, __android_log_write(prio, tag, buf.c_str())); |
| 50 | usleep(1000000); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 51 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 52 | buf = std::string(&prio, sizeof(prio)) + tag + std::string("", 1) + buf + |
| 53 | std::string("", 1); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 54 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 55 | int count = 0; |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 56 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 57 | for (;;) { |
| 58 | log_msg log_msg; |
| 59 | if (android_logger_list_read(logger_list, &log_msg) <= 0) break; |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 60 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 61 | EXPECT_EQ(log_msg.entry.pid, pid); |
| 62 | // There may be a future where we leak "liblog" tagged LOG_ID_EVENT |
| 63 | // binary messages through so that logger losses can be correlated? |
| 64 | EXPECT_EQ(log_msg.id(), LOG_ID_MAIN); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 65 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 66 | if (log_msg.entry.len != buf.length()) continue; |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 67 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 68 | if (buf != std::string(log_msg.msg(), log_msg.entry.len)) continue; |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 69 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 70 | ++count; |
| 71 | } |
| 72 | android_logger_list_close(logger_list); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 73 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 74 | EXPECT_EQ(1, count); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 75 | #else |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 76 | GTEST_LOG_(INFO) << "This test does nothing.\n"; |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 77 | #endif |
| 78 | } |
| 79 | |
| 80 | TEST(liblog, android_logger_get_) { |
| 81 | #ifdef __ANDROID__ |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 82 | // This test assumes the log buffers are filled with noise from |
| 83 | // normal operations. It will fail if done immediately after a |
| 84 | // logcat -c. |
| 85 | struct logger_list* logger_list = |
| 86 | android_logger_list_alloc(ANDROID_LOG_WRONLY, 0, 0); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 87 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 88 | for (int i = LOG_ID_MIN; i < LOG_ID_MAX; ++i) { |
| 89 | log_id_t id = static_cast<log_id_t>(i); |
| 90 | const char* name = android_log_id_to_name(id); |
| 91 | if (id != android_name_to_log_id(name)) { |
| 92 | continue; |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 93 | } |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 94 | fprintf(stderr, "log buffer %s\r", name); |
| 95 | struct logger* logger; |
| 96 | EXPECT_TRUE(NULL != (logger = android_logger_open(logger_list, id))); |
| 97 | EXPECT_EQ(id, android_logger_get_id(logger)); |
| 98 | ssize_t get_log_size = android_logger_get_log_size(logger); |
| 99 | /* security buffer is allowed to be denied */ |
| 100 | if (strcmp("security", name)) { |
| 101 | EXPECT_LT(0, get_log_size); |
Mark Salyzyn | 37eaefa | 2017-05-23 13:59:42 -0700 | [diff] [blame] | 102 | // crash buffer is allowed to be empty, that is actually healthy! |
| 103 | // kernel buffer is allowed to be empty on "user" builds |
Yao Chen | 07320dc | 2017-10-25 11:35:05 -0700 | [diff] [blame] | 104 | // stats buffer is allowed to be empty TEMPORARILY. |
| 105 | // TODO: remove stats buffer from here once we start to use it in |
| 106 | // framework (b/68266385). |
Mark Salyzyn | 37eaefa | 2017-05-23 13:59:42 -0700 | [diff] [blame] | 107 | EXPECT_LE( // boolean 1 or 0 depending on expected content or empty |
| 108 | !!((strcmp("crash", name) != 0) && |
Mark Salyzyn | ea03e1f | 2018-06-05 07:33:35 -0700 | [diff] [blame^] | 109 | ((strcmp("kernel", name) != 0) || |
| 110 | __android_logger_property_get_bool( |
| 111 | "ro.logd.kernel", BOOL_DEFAULT_TRUE | BOOL_DEFAULT_FLAG_ENG | |
| 112 | BOOL_DEFAULT_FLAG_SVELTE)) && |
Yao Chen | 07320dc | 2017-10-25 11:35:05 -0700 | [diff] [blame] | 113 | (strcmp("stats", name) != 0)), |
Mark Salyzyn | 37eaefa | 2017-05-23 13:59:42 -0700 | [diff] [blame] | 114 | android_logger_get_log_readable_size(logger)); |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 115 | } else { |
| 116 | EXPECT_NE(0, get_log_size); |
| 117 | if (get_log_size < 0) { |
| 118 | EXPECT_GT(0, android_logger_get_log_readable_size(logger)); |
| 119 | } else { |
| 120 | EXPECT_LE(0, android_logger_get_log_readable_size(logger)); |
| 121 | } |
| 122 | } |
| 123 | EXPECT_LT(0, android_logger_get_log_version(logger)); |
| 124 | } |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 125 | |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 126 | android_logger_list_close(logger_list); |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 127 | #else |
Mark Salyzyn | 2ed51d7 | 2017-03-09 08:09:43 -0800 | [diff] [blame] | 128 | GTEST_LOG_(INFO) << "This test does nothing.\n"; |
Mark Salyzyn | 21de8ac | 2017-01-25 09:00:57 -0800 | [diff] [blame] | 129 | #endif |
| 130 | } |