121de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn/* 221de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * Copyright (C) 2013-2017 The Android Open Source Project 321de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * 421de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * Licensed under the Apache License, Version 2.0 (the "License"); 521de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * you may not use this file except in compliance with the License. 621de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * You may obtain a copy of the License at 721de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * 821de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * http://www.apache.org/licenses/LICENSE-2.0 921de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * 1021de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * Unless required by applicable law or agreed to in writing, software 1121de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * distributed under the License is distributed on an "AS IS" BASIS, 1221de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1321de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * See the License for the specific language governing permissions and 1421de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn * limitations under the License. 1521de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn */ 1621de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 1721de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#include <sys/types.h> 1821de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#include <time.h> 1921de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#include <unistd.h> 2021de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 2121de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#include <string> 2221de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 2321de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#include <android-base/stringprintf.h> 242ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn#include <android/log.h> // minimal logging API 2521de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#include <gtest/gtest.h> 26558f2a166b229499a2c804a3b8bd388189835d47Mark Salyzyn#include <log/log_properties.h> 2721de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn// Test the APIs in this standalone include file 2821de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#include <log/log_read.h> 2921de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn// Do not use anything in log/log_time.h despite side effects of the above. 3021de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 3121de8aca67fd8b2f1e10ef250509164c34fc7049Mark SalyzynTEST(liblog, __android_log_write__android_logger_list_read) { 3221de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#ifdef __ANDROID__ 332ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn pid_t pid = getpid(); 3421de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 352ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn struct logger_list* logger_list; 362ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn ASSERT_TRUE( 372ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn NULL != 382ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn (logger_list = android_logger_list_open( 392ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn LOG_ID_MAIN, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, 1000, pid))); 4021de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 412ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn struct timespec ts; 422ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn clock_gettime(CLOCK_MONOTONIC, &ts); 432ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn std::string buf = android::base::StringPrintf("pid=%u ts=%ld.%09ld", pid, 442ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn ts.tv_sec, ts.tv_nsec); 452ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn static const char tag[] = 462ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn "liblog.__android_log_write__android_logger_list_read"; 472ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn static const char prio = ANDROID_LOG_DEBUG; 482ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn ASSERT_LT(0, __android_log_write(prio, tag, buf.c_str())); 492ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn usleep(1000000); 5021de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 512ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn buf = std::string(&prio, sizeof(prio)) + tag + std::string("", 1) + buf + 522ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn std::string("", 1); 5321de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 542ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn int count = 0; 5521de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 562ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn for (;;) { 572ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn log_msg log_msg; 582ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn if (android_logger_list_read(logger_list, &log_msg) <= 0) break; 5921de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 602ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_EQ(log_msg.entry.pid, pid); 612ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn // There may be a future where we leak "liblog" tagged LOG_ID_EVENT 622ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn // binary messages through so that logger losses can be correlated? 632ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_EQ(log_msg.id(), LOG_ID_MAIN); 6421de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 652ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn if (log_msg.entry.len != buf.length()) continue; 6621de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 672ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn if (buf != std::string(log_msg.msg(), log_msg.entry.len)) continue; 6821de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 692ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn ++count; 702ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn } 712ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn android_logger_list_close(logger_list); 7221de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 732ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_EQ(1, count); 7421de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#else 752ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn GTEST_LOG_(INFO) << "This test does nothing.\n"; 7621de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#endif 7721de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn} 7821de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 7921de8aca67fd8b2f1e10ef250509164c34fc7049Mark SalyzynTEST(liblog, android_logger_get_) { 8021de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#ifdef __ANDROID__ 812ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn // This test assumes the log buffers are filled with noise from 822ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn // normal operations. It will fail if done immediately after a 832ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn // logcat -c. 842ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn struct logger_list* logger_list = 852ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn android_logger_list_alloc(ANDROID_LOG_WRONLY, 0, 0); 862ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn 872ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn for (int i = LOG_ID_MIN; i < LOG_ID_MAX; ++i) { 882ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn log_id_t id = static_cast<log_id_t>(i); 892ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn const char* name = android_log_id_to_name(id); 902ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn if (id != android_name_to_log_id(name)) { 912ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn continue; 922ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn } 932ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn fprintf(stderr, "log buffer %s\r", name); 942ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn struct logger* logger; 952ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_TRUE(NULL != (logger = android_logger_open(logger_list, id))); 962ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_EQ(id, android_logger_get_id(logger)); 972ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn ssize_t get_log_size = android_logger_get_log_size(logger); 982ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn /* security buffer is allowed to be denied */ 992ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn if (strcmp("security", name)) { 1002ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_LT(0, get_log_size); 101558f2a166b229499a2c804a3b8bd388189835d47Mark Salyzyn // crash buffer is allowed to be empty, that is actually healthy! 102558f2a166b229499a2c804a3b8bd388189835d47Mark Salyzyn // kernel buffer is allowed to be empty on "user" builds 103558f2a166b229499a2c804a3b8bd388189835d47Mark Salyzyn EXPECT_LE( // boolean 1 or 0 depending on expected content or empty 104558f2a166b229499a2c804a3b8bd388189835d47Mark Salyzyn !!((strcmp("crash", name) != 0) && 105558f2a166b229499a2c804a3b8bd388189835d47Mark Salyzyn ((strcmp("kernel", name) != 0) || __android_log_is_debuggable())), 106558f2a166b229499a2c804a3b8bd388189835d47Mark Salyzyn android_logger_get_log_readable_size(logger)); 1072ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn } else { 1082ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_NE(0, get_log_size); 1092ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn if (get_log_size < 0) { 1102ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_GT(0, android_logger_get_log_readable_size(logger)); 1112ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn } else { 1122ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_LE(0, android_logger_get_log_readable_size(logger)); 1132ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn } 11421de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn } 1152ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn EXPECT_LT(0, android_logger_get_log_version(logger)); 1162ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn } 11721de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn 1182ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn android_logger_list_close(logger_list); 11921de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#else 1202ed51d708eda64516ec79ac6397f690de38f0075Mark Salyzyn GTEST_LOG_(INFO) << "This test does nothing.\n"; 12121de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn#endif 12221de8aca67fd8b2f1e10ef250509164c34fc7049Mark Salyzyn} 123