629 lines
17 KiB
C
629 lines
17 KiB
C
/*
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* Copyright (C) 2005-2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//
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// C/C++ logging functions. See the logging documentation for API details.
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//
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// We'd like these to be available from C code (in case we import some from
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// somewhere), so this has a C interface.
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//
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// The output will be correct when the log file is shared between multiple
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// threads and/or multiple processes so long as the operating system
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// supports O_APPEND. These calls have mutex-protected data structures
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// and so are NOT reentrant. Do not use LOG in a signal handler.
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//
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#ifndef _LIBS_LOG_LOG_H
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#define _LIBS_LOG_LOG_H
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#include <stdarg.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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#include <log/logd.h>
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#include <log/uio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// ---------------------------------------------------------------------
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/*
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* Normally we strip ALOGV (VERBOSE messages) from release builds.
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* You can modify this (for example with "#define LOG_NDEBUG 0"
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* at the top of your source file) to change that behavior.
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*/
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#ifndef LOG_NDEBUG
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#ifdef NDEBUG
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#define LOG_NDEBUG 1
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#else
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#define LOG_NDEBUG 0
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#endif
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#endif
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/*
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* This is the local tag used for the following simplified
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* logging macros. You can change this preprocessor definition
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* before using the other macros to change the tag.
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*/
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#ifndef LOG_TAG
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#define LOG_TAG NULL
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#endif
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// ---------------------------------------------------------------------
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#ifndef __predict_false
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#define __predict_false(exp) __builtin_expect((exp) != 0, 0)
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#endif
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/*
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* -DLINT_RLOG in sources that you want to enforce that all logging
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* goes to the radio log buffer. If any logging goes to any of the other
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* log buffers, there will be a compile or link error to highlight the
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* problem. This is not a replacement for a full audit of the code since
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* this only catches compiled code, not ifdef'd debug code. Options to
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* defining this, either temporarily to do a spot check, or permanently
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* to enforce, in all the communications trees; We have hopes to ensure
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* that by supplying just the radio log buffer that the communications
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* teams will have their one-stop shop for triaging issues.
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*/
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#ifndef LINT_RLOG
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/*
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* Simplified macro to send a verbose log message using the current LOG_TAG.
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*/
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#ifndef ALOGV
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#define __ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
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#if LOG_NDEBUG
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#define ALOGV(...) do { if (0) { __ALOGV(__VA_ARGS__); } } while (0)
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#else
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#define ALOGV(...) __ALOGV(__VA_ARGS__)
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#endif
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#endif
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#ifndef ALOGV_IF
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#if LOG_NDEBUG
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#define ALOGV_IF(cond, ...) ((void)0)
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#else
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#define ALOGV_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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#endif
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/*
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* Simplified macro to send a debug log message using the current LOG_TAG.
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*/
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#ifndef ALOGD
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#define ALOGD(...) ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGD_IF
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#define ALOGD_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send an info log message using the current LOG_TAG.
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*/
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#ifndef ALOGI
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#define ALOGI(...) ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGI_IF
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#define ALOGI_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send a warning log message using the current LOG_TAG.
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*/
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#ifndef ALOGW
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#define ALOGW(...) ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGW_IF
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#define ALOGW_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send an error log message using the current LOG_TAG.
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*/
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#ifndef ALOGE
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#define ALOGE(...) ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef ALOGE_IF
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#define ALOGE_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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// ---------------------------------------------------------------------
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* verbose priority.
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*/
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#ifndef IF_ALOGV
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#if LOG_NDEBUG
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#define IF_ALOGV() if (false)
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#else
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#define IF_ALOGV() IF_ALOG(LOG_VERBOSE, LOG_TAG)
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#endif
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* debug priority.
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*/
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#ifndef IF_ALOGD
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#define IF_ALOGD() IF_ALOG(LOG_DEBUG, LOG_TAG)
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* info priority.
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*/
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#ifndef IF_ALOGI
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#define IF_ALOGI() IF_ALOG(LOG_INFO, LOG_TAG)
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* warn priority.
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*/
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#ifndef IF_ALOGW
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#define IF_ALOGW() IF_ALOG(LOG_WARN, LOG_TAG)
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#endif
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/*
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* Conditional based on whether the current LOG_TAG is enabled at
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* error priority.
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*/
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#ifndef IF_ALOGE
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#define IF_ALOGE() IF_ALOG(LOG_ERROR, LOG_TAG)
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#endif
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// ---------------------------------------------------------------------
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/*
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* Simplified macro to send a verbose system log message using the current LOG_TAG.
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*/
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#ifndef SLOGV
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#define __SLOGV(...) \
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((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
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#if LOG_NDEBUG
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#define SLOGV(...) do { if (0) { __SLOGV(__VA_ARGS__); } } while (0)
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#else
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#define SLOGV(...) __SLOGV(__VA_ARGS__)
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#endif
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#endif
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#ifndef SLOGV_IF
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#if LOG_NDEBUG
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#define SLOGV_IF(cond, ...) ((void)0)
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#else
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#define SLOGV_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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#endif
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/*
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* Simplified macro to send a debug system log message using the current LOG_TAG.
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*/
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#ifndef SLOGD
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#define SLOGD(...) \
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((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef SLOGD_IF
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#define SLOGD_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send an info system log message using the current LOG_TAG.
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*/
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#ifndef SLOGI
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#define SLOGI(...) \
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((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef SLOGI_IF
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#define SLOGI_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send a warning system log message using the current LOG_TAG.
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*/
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#ifndef SLOGW
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#define SLOGW(...) \
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((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef SLOGW_IF
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#define SLOGW_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send an error system log message using the current LOG_TAG.
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*/
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#ifndef SLOGE
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#define SLOGE(...) \
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((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef SLOGE_IF
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#define SLOGE_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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#endif /* !LINT_RLOG */
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// ---------------------------------------------------------------------
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/*
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* Simplified macro to send a verbose radio log message using the current LOG_TAG.
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*/
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#ifndef RLOGV
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#define __RLOGV(...) \
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((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
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#if LOG_NDEBUG
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#define RLOGV(...) do { if (0) { __RLOGV(__VA_ARGS__); } } while (0)
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#else
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#define RLOGV(...) __RLOGV(__VA_ARGS__)
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#endif
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#endif
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#ifndef RLOGV_IF
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#if LOG_NDEBUG
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#define RLOGV_IF(cond, ...) ((void)0)
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#else
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#define RLOGV_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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#endif
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/*
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* Simplified macro to send a debug radio log message using the current LOG_TAG.
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*/
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#ifndef RLOGD
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#define RLOGD(...) \
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((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef RLOGD_IF
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#define RLOGD_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send an info radio log message using the current LOG_TAG.
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*/
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#ifndef RLOGI
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#define RLOGI(...) \
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((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef RLOGI_IF
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#define RLOGI_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send a warning radio log message using the current LOG_TAG.
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*/
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#ifndef RLOGW
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#define RLOGW(...) \
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((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef RLOGW_IF
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#define RLOGW_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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/*
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* Simplified macro to send an error radio log message using the current LOG_TAG.
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*/
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#ifndef RLOGE
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#define RLOGE(...) \
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((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
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#endif
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#ifndef RLOGE_IF
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#define RLOGE_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
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: (void)0 )
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#endif
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// ---------------------------------------------------------------------
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/*
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* Log a fatal error. If the given condition fails, this stops program
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* execution like a normal assertion, but also generating the given message.
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* It is NOT stripped from release builds. Note that the condition test
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* is -inverted- from the normal assert() semantics.
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*/
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#ifndef LOG_ALWAYS_FATAL_IF
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#define LOG_ALWAYS_FATAL_IF(cond, ...) \
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( (__predict_false(cond)) \
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? ((void)android_printAssert(#cond, LOG_TAG, ## __VA_ARGS__)) \
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: (void)0 )
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#endif
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#ifndef LOG_ALWAYS_FATAL
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#define LOG_ALWAYS_FATAL(...) \
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( ((void)android_printAssert(NULL, LOG_TAG, ## __VA_ARGS__)) )
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#endif
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/*
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* Versions of LOG_ALWAYS_FATAL_IF and LOG_ALWAYS_FATAL that
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* are stripped out of release builds.
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*/
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#if LOG_NDEBUG
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#ifndef LOG_FATAL_IF
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#define LOG_FATAL_IF(cond, ...) ((void)0)
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#endif
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#ifndef LOG_FATAL
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#define LOG_FATAL(...) ((void)0)
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#endif
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#else
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#ifndef LOG_FATAL_IF
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#define LOG_FATAL_IF(cond, ...) LOG_ALWAYS_FATAL_IF(cond, ## __VA_ARGS__)
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#endif
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#ifndef LOG_FATAL
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#define LOG_FATAL(...) LOG_ALWAYS_FATAL(__VA_ARGS__)
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#endif
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#endif
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/*
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* Assertion that generates a log message when the assertion fails.
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* Stripped out of release builds. Uses the current LOG_TAG.
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*/
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#ifndef ALOG_ASSERT
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#define ALOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), ## __VA_ARGS__)
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//#define ALOG_ASSERT(cond) LOG_FATAL_IF(!(cond), "Assertion failed: " #cond)
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#endif
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// ---------------------------------------------------------------------
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/*
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* Basic log message macro.
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*
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* Example:
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* ALOG(LOG_WARN, NULL, "Failed with error %d", errno);
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*
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* The second argument may be NULL or "" to indicate the "global" tag.
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*/
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#ifndef ALOG
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#define ALOG(priority, tag, ...) \
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LOG_PRI(ANDROID_##priority, tag, __VA_ARGS__)
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#endif
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/*
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* Log macro that allows you to specify a number for the priority.
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*/
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#ifndef LOG_PRI
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#define LOG_PRI(priority, tag, ...) \
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android_printLog(priority, tag, __VA_ARGS__)
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#endif
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/*
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* Log macro that allows you to pass in a varargs ("args" is a va_list).
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*/
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#ifndef LOG_PRI_VA
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#define LOG_PRI_VA(priority, tag, fmt, args) \
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android_vprintLog(priority, NULL, tag, fmt, args)
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#endif
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/*
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* Conditional given a desired logging priority and tag.
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*/
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#ifndef IF_ALOG
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#define IF_ALOG(priority, tag) \
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if (android_testLog(ANDROID_##priority, tag))
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#endif
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// ---------------------------------------------------------------------
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/*
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* Event logging.
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*/
|
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/*
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|
* Event log entry types. These must match up with the declarations in
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* java/android/android/util/EventLog.java.
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|
*/
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typedef enum {
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EVENT_TYPE_INT = 0,
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EVENT_TYPE_LONG = 1,
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EVENT_TYPE_STRING = 2,
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EVENT_TYPE_LIST = 3,
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EVENT_TYPE_FLOAT = 4,
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} AndroidEventLogType;
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#define sizeof_AndroidEventLogType sizeof(typeof_AndroidEventLogType)
|
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#define typeof_AndroidEventLogType unsigned char
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|
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#ifndef LOG_EVENT_INT
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#define LOG_EVENT_INT(_tag, _value) { \
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int intBuf = _value; \
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(void) android_btWriteLog(_tag, EVENT_TYPE_INT, &intBuf, \
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sizeof(intBuf)); \
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}
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#endif
|
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#ifndef LOG_EVENT_LONG
|
|
#define LOG_EVENT_LONG(_tag, _value) { \
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long long longBuf = _value; \
|
|
(void) android_btWriteLog(_tag, EVENT_TYPE_LONG, &longBuf, \
|
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sizeof(longBuf)); \
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|
}
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#endif
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#ifndef LOG_EVENT_FLOAT
|
|
#define LOG_EVENT_FLOAT(_tag, _value) { \
|
|
float floatBuf = _value; \
|
|
(void) android_btWriteLog(_tag, EVENT_TYPE_FLOAT, &floatBuf, \
|
|
sizeof(floatBuf)); \
|
|
}
|
|
#endif
|
|
#ifndef LOG_EVENT_STRING
|
|
#define LOG_EVENT_STRING(_tag, _value) \
|
|
(void) __android_log_bswrite(_tag, _value);
|
|
#endif
|
|
/* TODO: something for LIST */
|
|
|
|
/*
|
|
* ===========================================================================
|
|
*
|
|
* The stuff in the rest of this file should not be used directly.
|
|
*/
|
|
|
|
#define android_printLog(prio, tag, fmt...) \
|
|
__android_log_print(prio, tag, fmt)
|
|
|
|
#define android_vprintLog(prio, cond, tag, fmt...) \
|
|
__android_log_vprint(prio, tag, fmt)
|
|
|
|
/* XXX Macros to work around syntax errors in places where format string
|
|
* arg is not passed to ALOG_ASSERT, LOG_ALWAYS_FATAL or LOG_ALWAYS_FATAL_IF
|
|
* (happens only in debug builds).
|
|
*/
|
|
|
|
/* Returns 2nd arg. Used to substitute default value if caller's vararg list
|
|
* is empty.
|
|
*/
|
|
#define __android_second(dummy, second, ...) second
|
|
|
|
/* If passed multiple args, returns ',' followed by all but 1st arg, otherwise
|
|
* returns nothing.
|
|
*/
|
|
#define __android_rest(first, ...) , ## __VA_ARGS__
|
|
|
|
#define android_printAssert(cond, tag, fmt...) \
|
|
__android_log_assert(cond, tag, \
|
|
__android_second(0, ## fmt, NULL) __android_rest(fmt))
|
|
|
|
#define android_writeLog(prio, tag, text) \
|
|
__android_log_write(prio, tag, text)
|
|
|
|
#define android_bWriteLog(tag, payload, len) \
|
|
__android_log_bwrite(tag, payload, len)
|
|
#define android_btWriteLog(tag, type, payload, len) \
|
|
__android_log_btwrite(tag, type, payload, len)
|
|
|
|
/*
|
|
* IF_ALOG uses android_testLog, but IF_ALOG can be overridden.
|
|
* android_testLog will remain constant in its purpose as a wrapper
|
|
* for Android logging filter policy, and can be subject to
|
|
* change. It can be reused by the developers that override
|
|
* IF_ALOG as a convenient means to reimplement their policy
|
|
* over Android.
|
|
*/
|
|
#if LOG_NDEBUG /* Production */
|
|
#define android_testLog(prio, tag) \
|
|
(__android_log_is_loggable(prio, tag, ANDROID_LOG_DEBUG) != 0)
|
|
#else
|
|
#define android_testLog(prio, tag) \
|
|
(__android_log_is_loggable(prio, tag, ANDROID_LOG_VERBOSE) != 0)
|
|
#endif
|
|
|
|
// TODO: remove these prototypes and their users
|
|
#define android_writevLog(vec,num) do{}while(0)
|
|
#define android_write1Log(str,len) do{}while (0)
|
|
#define android_setMinPriority(tag, prio) do{}while(0)
|
|
//#define android_logToCallback(func) do{}while(0)
|
|
#define android_logToFile(tag, file) (0)
|
|
#define android_logToFd(tag, fd) (0)
|
|
|
|
typedef enum log_id {
|
|
LOG_ID_MIN = 0,
|
|
|
|
#ifndef LINT_RLOG
|
|
LOG_ID_MAIN = 0,
|
|
#endif
|
|
LOG_ID_RADIO = 1,
|
|
#ifndef LINT_RLOG
|
|
LOG_ID_EVENTS = 2,
|
|
LOG_ID_SYSTEM = 3,
|
|
LOG_ID_CRASH = 4,
|
|
LOG_ID_KERNEL = 5,
|
|
#endif
|
|
|
|
LOG_ID_MAX
|
|
} log_id_t;
|
|
#define sizeof_log_id_t sizeof(typeof_log_id_t)
|
|
#define typeof_log_id_t unsigned char
|
|
|
|
/*
|
|
* Use the per-tag properties "log.tag.<tagname>" to generate a runtime
|
|
* result of non-zero to expose a log.
|
|
*/
|
|
int __android_log_is_loggable(int prio, const char *tag, int def);
|
|
|
|
/*
|
|
* Send a simple string to the log.
|
|
*/
|
|
int __android_log_buf_write(int bufID, int prio, const char *tag, const char *text);
|
|
int __android_log_buf_print(int bufID, int prio, const char *tag, const char *fmt, ...)
|
|
#if defined(__GNUC__)
|
|
__attribute__((__format__(printf, 4, 5)))
|
|
#endif
|
|
;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _LIBS_LOG_LOG_H */
|