diff options
| -rw-r--r-- | Android.mk | 11 | ||||
| -rw-r--r-- | recovery-persist.cpp | 42 | ||||
| -rw-r--r-- | recovery-refresh.cpp | 58 | ||||
| -rw-r--r-- | recovery.cpp | 90 | ||||
| -rw-r--r-- | rotate_logs.cpp | 115 | ||||
| -rw-r--r-- | rotate_logs.h | 44 |
6 files changed, 178 insertions, 182 deletions
diff --git a/Android.mk b/Android.mk index 2a3438f8c..4a7afb743 100644 --- a/Android.mk +++ b/Android.mk @@ -46,6 +46,7 @@ LOCAL_SRC_FILES := \ install.cpp \ recovery.cpp \ roots.cpp \ + rotate_logs.cpp \ screen_ui.cpp \ ui.cpp \ verifier.cpp \ @@ -119,7 +120,9 @@ include $(BUILD_EXECUTABLE) # recovery-persist (system partition dynamic executable run after /data mounts) # =============================== include $(CLEAR_VARS) -LOCAL_SRC_FILES := recovery-persist.cpp +LOCAL_SRC_FILES := \ + recovery-persist.cpp \ + rotate_logs.cpp LOCAL_MODULE := recovery-persist LOCAL_SHARED_LIBRARIES := liblog libbase LOCAL_CFLAGS := -Werror @@ -129,9 +132,11 @@ include $(BUILD_EXECUTABLE) # recovery-refresh (system partition dynamic executable run at init) # =============================== include $(CLEAR_VARS) -LOCAL_SRC_FILES := recovery-refresh.cpp +LOCAL_SRC_FILES := \ + recovery-refresh.cpp \ + rotate_logs.cpp LOCAL_MODULE := recovery-refresh -LOCAL_SHARED_LIBRARIES := liblog +LOCAL_SHARED_LIBRARIES := liblog libbase LOCAL_CFLAGS := -Werror LOCAL_INIT_RC := recovery-refresh.rc include $(BUILD_EXECUTABLE) diff --git a/recovery-persist.cpp b/recovery-persist.cpp index b0ec141cb..d706ccac8 100644 --- a/recovery-persist.cpp +++ b/recovery-persist.cpp @@ -30,7 +30,6 @@ // --force-persist ignore /cache mount, always rotate in the contents. // -#include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -40,17 +39,16 @@ #include <android-base/file.h> #include <android-base/logging.h> - #include <private/android_logger.h> /* private pmsg functions */ +#include "rotate_logs.h" + static const char *LAST_LOG_FILE = "/data/misc/recovery/last_log"; static const char *LAST_PMSG_FILE = "/sys/fs/pstore/pmsg-ramoops-0"; static const char *LAST_KMSG_FILE = "/data/misc/recovery/last_kmsg"; static const char *LAST_CONSOLE_FILE = "/sys/fs/pstore/console-ramoops-0"; static const char *ALT_LAST_CONSOLE_FILE = "/sys/fs/pstore/console-ramoops"; -static const int KEEP_LOG_COUNT = 10; - // close a file, log an error if the error indicator is set static void check_and_fclose(FILE *fp, const char *name) { fflush(fp); @@ -80,39 +78,6 @@ static void copy_file(const char* source, const char* destination) { static bool rotated = false; -// Rename last_log -> last_log.1 -> last_log.2 -> ... -> last_log.$max. -// Similarly rename last_kmsg -> last_kmsg.1 -> ... -> last_kmsg.$max. -// Overwrite any existing last_log.$max and last_kmsg.$max. -static void rotate_logs(int max) { - // Logs should only be rotated once. - - if (rotated) { - return; - } - rotated = true; - - for (int i = max-1; i >= 0; --i) { - std::string old_log(LAST_LOG_FILE); - if (i > 0) { - old_log += "." + std::to_string(i); - } - std::string new_log(LAST_LOG_FILE); - new_log += "." + std::to_string(i+1); - - // Ignore errors if old_log doesn't exist. - rename(old_log.c_str(), new_log.c_str()); - - std::string old_kmsg(LAST_KMSG_FILE); - if (i > 0) { - old_kmsg += "." + std::to_string(i); - } - std::string new_kmsg(LAST_KMSG_FILE); - new_kmsg += "." + std::to_string(i+1); - - rename(old_kmsg.c_str(), new_kmsg.c_str()); - } -} - ssize_t logsave( log_id_t /* logId */, char /* prio */, @@ -138,7 +103,8 @@ ssize_t logsave( // already-rotated files? Algorithm thus far is KISS: one file, // one rotation allowed. - rotate_logs(KEEP_LOG_COUNT); + rotate_logs(LAST_LOG_FILE, LAST_KMSG_FILE); + rotated = true; return android::base::WriteStringToFile(buffer, destination.c_str()); } diff --git a/recovery-refresh.cpp b/recovery-refresh.cpp index b2ab52f7e..14565d3f4 100644 --- a/recovery-refresh.cpp +++ b/recovery-refresh.cpp @@ -14,8 +14,6 @@ * limitations under the License. */ -#define LOG_TAG "recovery-refresh" - // // Strictly to deal with reboot into system after OTA, then // reboot while in system before boot complete landing us back @@ -40,64 +38,11 @@ // #include <string.h> - #include <string> -#include <android/log.h> /* Android Log Priority Tags */ #include <private/android_logger.h> /* private pmsg functions */ -static const char LAST_KMSG_FILE[] = "recovery/last_kmsg"; -static const char LAST_LOG_FILE[] = "recovery/last_log"; - -static ssize_t logbasename( - log_id_t /* logId */, - char /* prio */, - const char *filename, - const char * /* buf */, size_t len, - void *arg) { - if (strstr(LAST_KMSG_FILE, filename) || - strstr(LAST_LOG_FILE, filename)) { - bool *doRotate = reinterpret_cast<bool *>(arg); - *doRotate = true; - } - return len; -} - -static ssize_t logrotate( - log_id_t logId, - char prio, - const char *filename, - const char *buf, size_t len, - void *arg) { - bool *doRotate = reinterpret_cast<bool *>(arg); - if (!*doRotate) { - return __android_log_pmsg_file_write(logId, prio, filename, buf, len); - } - - std::string name(filename); - size_t dot = name.find_last_of('.'); - std::string sub = name.substr(0, dot); - - if (!strstr(LAST_KMSG_FILE, sub.c_str()) && - !strstr(LAST_LOG_FILE, sub.c_str())) { - return __android_log_pmsg_file_write(logId, prio, filename, buf, len); - } - - // filename rotation - if (dot == std::string::npos) { - name += ".1"; - } else { - std::string number = name.substr(dot + 1); - if (!isdigit(number.data()[0])) { - name += ".1"; - } else { - auto i = std::stoull(number); - name = sub + "." + std::to_string(i + 1); - } - } - - return __android_log_pmsg_file_write(logId, prio, name.c_str(), buf, len); -} +#include "rotate_logs.h" int main(int argc, char **argv) { static const char filter[] = "recovery/"; @@ -105,7 +50,6 @@ int main(int argc, char **argv) { static const char rotate_flag[] = "--rotate"; ssize_t ret; bool doRotate = false; - // Take last pmsg contents and rewrite it to the current pmsg session. if ((argc <= 1) || !argv[1] || (((doRotate = strcmp(argv[1], rotate_flag))) && diff --git a/recovery.cpp b/recovery.cpp index 4d1ad1df2..bb7a15b6c 100644 --- a/recovery.cpp +++ b/recovery.cpp @@ -66,8 +66,9 @@ #include "minui/minui.h" #include "otautil/DirUtil.h" #include "roots.h" -#include "ui.h" +#include "rotate_logs.h" #include "screen_ui.h" +#include "ui.h" struct selabel_handle *sehandle; @@ -110,7 +111,6 @@ static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log"; static const char *TEMPORARY_INSTALL_FILE = "/tmp/last_install"; static const char *LAST_KMSG_FILE = "/cache/recovery/last_kmsg"; static const char *LAST_LOG_FILE = "/cache/recovery/last_log"; -static const int KEEP_LOG_COUNT = 10; // We will try to apply the update package 5 times at most in case of an I/O error. static const int EIO_RETRY_COUNT = 4; static const int BATTERY_READ_TIMEOUT_IN_SEC = 10; @@ -447,37 +447,6 @@ static void copy_log_file(const char* source, const char* destination, bool appe } } -// Rename last_log -> last_log.1 -> last_log.2 -> ... -> last_log.$max. -// Similarly rename last_kmsg -> last_kmsg.1 -> ... -> last_kmsg.$max. -// Overwrite any existing last_log.$max and last_kmsg.$max. -static void rotate_logs(int max) { - // Logs should only be rotated once. - static bool rotated = false; - if (rotated) { - return; - } - rotated = true; - ensure_path_mounted(LAST_LOG_FILE); - ensure_path_mounted(LAST_KMSG_FILE); - - for (int i = max-1; i >= 0; --i) { - std::string old_log = android::base::StringPrintf("%s", LAST_LOG_FILE); - if (i > 0) { - old_log += "." + std::to_string(i); - } - std::string new_log = android::base::StringPrintf("%s.%d", LAST_LOG_FILE, i+1); - // Ignore errors if old_log doesn't exist. - rename(old_log.c_str(), new_log.c_str()); - - std::string old_kmsg = android::base::StringPrintf("%s", LAST_KMSG_FILE); - if (i > 0) { - old_kmsg += "." + std::to_string(i); - } - std::string new_kmsg = android::base::StringPrintf("%s.%d", LAST_KMSG_FILE, i+1); - rename(old_kmsg.c_str(), new_kmsg.c_str()); - } -} - static void copy_logs() { // We only rotate and record the log of the current session if there are // actual attempts to modify the flash, such as wipes, installs from BCB @@ -496,7 +465,9 @@ static void copy_logs() { return; } - rotate_logs(KEEP_LOG_COUNT); + ensure_path_mounted(LAST_LOG_FILE); + ensure_path_mounted(LAST_KMSG_FILE); + rotate_logs(LAST_LOG_FILE, LAST_KMSG_FILE); // Copy logs to cache so the system can find out what happened. copy_log_file(TEMPORARY_LOG_FILE, LOG_FILE, true); @@ -1428,56 +1399,6 @@ static void log_failure_code(ErrorCode code, const char *update_package) { LOG(INFO) << log_content; } -static ssize_t logbasename( - log_id_t /* logId */, - char /* prio */, - const char *filename, - const char * /* buf */, size_t len, - void *arg) { - if (strstr(LAST_KMSG_FILE, filename) || - strstr(LAST_LOG_FILE, filename)) { - bool *doRotate = reinterpret_cast<bool *>(arg); - *doRotate = true; - } - return len; -} - -static ssize_t logrotate( - log_id_t logId, - char prio, - const char *filename, - const char *buf, size_t len, - void *arg) { - bool *doRotate = reinterpret_cast<bool *>(arg); - if (!*doRotate) { - return __android_log_pmsg_file_write(logId, prio, filename, buf, len); - } - - std::string name(filename); - size_t dot = name.find_last_of('.'); - std::string sub = name.substr(0, dot); - - if (!strstr(LAST_KMSG_FILE, sub.c_str()) && - !strstr(LAST_LOG_FILE, sub.c_str())) { - return __android_log_pmsg_file_write(logId, prio, filename, buf, len); - } - - // filename rotation - if (dot == std::string::npos) { - name += ".1"; - } else { - std::string number = name.substr(dot + 1); - if (!isdigit(number.data()[0])) { - name += ".1"; - } else { - auto i = std::stoull(number); - name = sub + "." + std::to_string(i + 1); - } - } - - return __android_log_pmsg_file_write(logId, prio, name.c_str(), buf, len); -} - int main(int argc, char **argv) { // We don't have logcat yet under recovery; so we'll print error on screen and // log to stdout (which is redirected to recovery.log) as we used to do. @@ -1487,6 +1408,7 @@ int main(int argc, char **argv) { static const char filter[] = "recovery/"; // Do we need to rotate? bool doRotate = false; + __android_log_pmsg_file_read( LOG_ID_SYSTEM, ANDROID_LOG_INFO, filter, logbasename, &doRotate); diff --git a/rotate_logs.cpp b/rotate_logs.cpp new file mode 100644 index 000000000..fc220215e --- /dev/null +++ b/rotate_logs.cpp @@ -0,0 +1,115 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "rotate_logs.h" + +#include <stdio.h> +#include <string.h> +#include <sys/types.h> + +#include <string> + +#include <android-base/file.h> +#include <android-base/logging.h> +#include <android-base/parseint.h> +#include <android-base/stringprintf.h> +#include <private/android_logger.h> /* private pmsg functions */ + +static const std::string LAST_KMSG_FILTER = "recovery/last_kmsg"; +static const std::string LAST_LOG_FILTER = "recovery/last_log"; + +ssize_t logbasename( + log_id_t /* logId */, + char /* prio */, + const char *filename, + const char * /* buf */, size_t len, + void *arg) { + bool* doRotate = static_cast<bool*>(arg); + if (LAST_KMSG_FILTER.find(filename) != std::string::npos || + LAST_LOG_FILTER.find(filename) != std::string::npos) { + *doRotate = true; + } + return len; +} + +ssize_t logrotate( + log_id_t logId, + char prio, + const char *filename, + const char *buf, size_t len, + void *arg) { + bool* doRotate = static_cast<bool*>(arg); + if (!*doRotate) { + return __android_log_pmsg_file_write(logId, prio, filename, buf, len); + } + + std::string name(filename); + size_t dot = name.find_last_of('.'); + std::string sub = name.substr(0, dot); + + if (LAST_KMSG_FILTER.find(sub) == std::string::npos && + LAST_LOG_FILTER.find(sub) == std::string::npos) { + return __android_log_pmsg_file_write(logId, prio, filename, buf, len); + } + + // filename rotation + if (dot == std::string::npos) { + name += ".1"; + } else { + std::string number = name.substr(dot + 1); + if (!isdigit(number[0])) { + name += ".1"; + } else { + size_t i; + if (!android::base::ParseUint(number, &i)) { + LOG(ERROR) << "failed to parse uint in " << number; + return -1; + } + name = sub + "." + std::to_string(i + 1); + } + } + + return __android_log_pmsg_file_write(logId, prio, name.c_str(), buf, len); +} + +// Rename last_log -> last_log.1 -> last_log.2 -> ... -> last_log.$max. +// Similarly rename last_kmsg -> last_kmsg.1 -> ... -> last_kmsg.$max. +// Overwrite any existing last_log.$max and last_kmsg.$max. +void rotate_logs(const char* last_log_file, const char* last_kmsg_file) { + // Logs should only be rotated once. + static bool rotated = false; + if (rotated) { + return; + } + rotated = true; + + for (int i = KEEP_LOG_COUNT - 1; i >= 0; --i) { + std::string old_log = android::base::StringPrintf("%s", last_log_file); + if (i > 0) { + old_log += "." + std::to_string(i); + } + std::string new_log = android::base::StringPrintf("%s.%d", last_log_file, i+1); + // Ignore errors if old_log doesn't exist. + rename(old_log.c_str(), new_log.c_str()); + + std::string old_kmsg = android::base::StringPrintf("%s", last_kmsg_file); + if (i > 0) { + old_kmsg += "." + std::to_string(i); + } + std::string new_kmsg = android::base::StringPrintf("%s.%d", last_kmsg_file, i+1); + rename(old_kmsg.c_str(), new_kmsg.c_str()); + } +} diff --git a/rotate_logs.h b/rotate_logs.h new file mode 100644 index 000000000..809c213b6 --- /dev/null +++ b/rotate_logs.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _ROTATE_LOGS_H +#define _ROTATE_LOGS_H + +#include <string> + +#include <private/android_logger.h> /* private pmsg functions */ + +constexpr int KEEP_LOG_COUNT = 10; + +ssize_t logbasename(log_id_t /* logId */, + char /* prio */, + const char *filename, + const char * /* buf */, size_t len, + void *arg); + +ssize_t logrotate( + log_id_t logId, + char prio, + const char *filename, + const char *buf, size_t len, + void *arg); + +// Rename last_log -> last_log.1 -> last_log.2 -> ... -> last_log.$max. +// Similarly rename last_kmsg -> last_kmsg.1 -> ... -> last_kmsg.$max. +// Overwrite any existing last_log.$max and last_kmsg.$max. +void rotate_logs(const char* last_log_file, const char* last_kmsg_file); + +#endif //_ROTATE_LOG_H |