347 lines
9.0 KiB
C
347 lines
9.0 KiB
C
/*
|
|
* Copyright (C) 2005 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.
|
|
*/
|
|
|
|
//
|
|
// C/C++ logging functions. See the logging documentation for API details.
|
|
//
|
|
// We'd like these to be available from C code (in case we import some from
|
|
// somewhere), so this has a C interface.
|
|
//
|
|
// The output will be correct when the log file is shared between multiple
|
|
// threads and/or multiple processes so long as the operating system
|
|
// supports O_APPEND. These calls have mutex-protected data structures
|
|
// and so are NOT reentrant. Do not use LOG in a signal handler.
|
|
//
|
|
#ifndef _LIBS_CUTILS_LOG_H
|
|
#define _LIBS_CUTILS_LOG_H
|
|
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#ifdef HAVE_PTHREADS
|
|
#include <pthread.h>
|
|
#endif
|
|
#include <stdarg.h>
|
|
|
|
#include <cutils/uio.h>
|
|
#include <cutils/logd.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
/*
|
|
* Normally we strip LOGV (VERBOSE messages) from release builds.
|
|
* You can modify this (for example with "#define LOG_NDEBUG 0"
|
|
* at the top of your source file) to change that behavior.
|
|
*/
|
|
#ifndef LOG_NDEBUG
|
|
#ifdef NDEBUG
|
|
#define LOG_NDEBUG 1
|
|
#else
|
|
#define LOG_NDEBUG 0
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* This is the local tag used for the following simplified
|
|
* logging macros. You can change this preprocessor definition
|
|
* before using the other macros to change the tag.
|
|
*/
|
|
#ifndef LOG_TAG
|
|
#define LOG_TAG NULL
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
/*
|
|
* Simplified macro to send a verbose log message using the current LOG_TAG.
|
|
*/
|
|
#ifndef LOGV
|
|
#if LOG_NDEBUG
|
|
#define LOGV(...) ((void)0)
|
|
#else
|
|
#define LOGV(...) ((void)LOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
|
|
#endif
|
|
#endif
|
|
|
|
#define CONDITION(cond) (__builtin_expect((cond)!=0, 0))
|
|
|
|
#ifndef LOGV_IF
|
|
#if LOG_NDEBUG
|
|
#define LOGV_IF(cond, ...) ((void)0)
|
|
#else
|
|
#define LOGV_IF(cond, ...) \
|
|
( (CONDITION(cond)) \
|
|
? ((void)LOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
|
|
: (void)0 )
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* Simplified macro to send a debug log message using the current LOG_TAG.
|
|
*/
|
|
#ifndef LOGD
|
|
#define LOGD(...) ((void)LOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__))
|
|
#endif
|
|
|
|
#ifndef LOGD_IF
|
|
#define LOGD_IF(cond, ...) \
|
|
( (CONDITION(cond)) \
|
|
? ((void)LOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
|
|
: (void)0 )
|
|
#endif
|
|
|
|
/*
|
|
* Simplified macro to send an info log message using the current LOG_TAG.
|
|
*/
|
|
#ifndef LOGI
|
|
#define LOGI(...) ((void)LOG(LOG_INFO, LOG_TAG, __VA_ARGS__))
|
|
#endif
|
|
|
|
#ifndef LOGI_IF
|
|
#define LOGI_IF(cond, ...) \
|
|
( (CONDITION(cond)) \
|
|
? ((void)LOG(LOG_INFO, LOG_TAG, __VA_ARGS__)) \
|
|
: (void)0 )
|
|
#endif
|
|
|
|
/*
|
|
* Simplified macro to send a warning log message using the current LOG_TAG.
|
|
*/
|
|
#ifndef LOGW
|
|
#define LOGW(...) ((void)LOG(LOG_WARN, LOG_TAG, __VA_ARGS__))
|
|
#endif
|
|
|
|
#ifndef LOGW_IF
|
|
#define LOGW_IF(cond, ...) \
|
|
( (CONDITION(cond)) \
|
|
? ((void)LOG(LOG_WARN, LOG_TAG, __VA_ARGS__)) \
|
|
: (void)0 )
|
|
#endif
|
|
|
|
/*
|
|
* Simplified macro to send an error log message using the current LOG_TAG.
|
|
*/
|
|
#ifndef LOGE
|
|
#define LOGE(...) ((void)LOG(LOG_ERROR, LOG_TAG, __VA_ARGS__))
|
|
#endif
|
|
|
|
#ifndef LOGE_IF
|
|
#define LOGE_IF(cond, ...) \
|
|
( (CONDITION(cond)) \
|
|
? ((void)LOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
|
|
: (void)0 )
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
/*
|
|
* Conditional based on whether the current LOG_TAG is enabled at
|
|
* verbose priority.
|
|
*/
|
|
#ifndef IF_LOGV
|
|
#if LOG_NDEBUG
|
|
#define IF_LOGV() if (false)
|
|
#else
|
|
#define IF_LOGV() IF_LOG(LOG_VERBOSE, LOG_TAG)
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* Conditional based on whether the current LOG_TAG is enabled at
|
|
* debug priority.
|
|
*/
|
|
#ifndef IF_LOGD
|
|
#define IF_LOGD() IF_LOG(LOG_DEBUG, LOG_TAG)
|
|
#endif
|
|
|
|
/*
|
|
* Conditional based on whether the current LOG_TAG is enabled at
|
|
* info priority.
|
|
*/
|
|
#ifndef IF_LOGI
|
|
#define IF_LOGI() IF_LOG(LOG_INFO, LOG_TAG)
|
|
#endif
|
|
|
|
/*
|
|
* Conditional based on whether the current LOG_TAG is enabled at
|
|
* warn priority.
|
|
*/
|
|
#ifndef IF_LOGW
|
|
#define IF_LOGW() IF_LOG(LOG_WARN, LOG_TAG)
|
|
#endif
|
|
|
|
/*
|
|
* Conditional based on whether the current LOG_TAG is enabled at
|
|
* error priority.
|
|
*/
|
|
#ifndef IF_LOGE
|
|
#define IF_LOGE() IF_LOG(LOG_ERROR, LOG_TAG)
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
/*
|
|
* Log a fatal error. If the given condition fails, this stops program
|
|
* execution like a normal assertion, but also generating the given message.
|
|
* It is NOT stripped from release builds. Note that the condition test
|
|
* is -inverted- from the normal assert() semantics.
|
|
*/
|
|
#define LOG_ALWAYS_FATAL_IF(cond, ...) \
|
|
( (CONDITION(cond)) \
|
|
? ((void)android_printAssert(#cond, LOG_TAG, __VA_ARGS__)) \
|
|
: (void)0 )
|
|
|
|
#define LOG_ALWAYS_FATAL(...) \
|
|
( ((void)android_printAssert(NULL, LOG_TAG, __VA_ARGS__)) )
|
|
|
|
/*
|
|
* Versions of LOG_ALWAYS_FATAL_IF and LOG_ALWAYS_FATAL that
|
|
* are stripped out of release builds.
|
|
*/
|
|
#if LOG_NDEBUG
|
|
|
|
#define LOG_FATAL_IF(cond, ...) ((void)0)
|
|
#define LOG_FATAL(...) ((void)0)
|
|
|
|
#else
|
|
|
|
#define LOG_FATAL_IF(cond, ...) LOG_ALWAYS_FATAL_IF(cond, __VA_ARGS__)
|
|
#define LOG_FATAL(...) LOG_ALWAYS_FATAL(__VA_ARGS__)
|
|
|
|
#endif
|
|
|
|
/*
|
|
* Assertion that generates a log message when the assertion fails.
|
|
* Stripped out of release builds. Uses the current LOG_TAG.
|
|
*/
|
|
#define LOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), __VA_ARGS__)
|
|
//#define LOG_ASSERT(cond) LOG_FATAL_IF(!(cond), "Assertion failed: " #cond)
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
/*
|
|
* Basic log message macro.
|
|
*
|
|
* Example:
|
|
* LOG(LOG_WARN, NULL, "Failed with error %d", errno);
|
|
*
|
|
* The second argument may be NULL or "" to indicate the "global" tag.
|
|
*/
|
|
#ifndef LOG
|
|
#define LOG(priority, tag, ...) \
|
|
LOG_PRI(ANDROID_##priority, tag, __VA_ARGS__)
|
|
#endif
|
|
|
|
/*
|
|
* Log macro that allows you to specify a number for the priority.
|
|
*/
|
|
#ifndef LOG_PRI
|
|
#define LOG_PRI(priority, tag, ...) \
|
|
android_printLog(priority, tag, __VA_ARGS__)
|
|
#endif
|
|
|
|
/*
|
|
* Log macro that allows you to pass in a varargs ("args" is a va_list).
|
|
*/
|
|
#ifndef LOG_PRI_VA
|
|
#define LOG_PRI_VA(priority, tag, fmt, args) \
|
|
android_vprintLog(priority, NULL, tag, fmt, args)
|
|
#endif
|
|
|
|
/*
|
|
* Conditional given a desired logging priority and tag.
|
|
*/
|
|
#ifndef IF_LOG
|
|
#define IF_LOG(priority, tag) \
|
|
if (android_testLog(ANDROID_##priority, tag))
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
/*
|
|
* Event logging.
|
|
*/
|
|
|
|
/*
|
|
* Event log entry types. These must match up with the declarations in
|
|
* java/android/android/util/EventLog.java.
|
|
*/
|
|
typedef enum {
|
|
EVENT_TYPE_INT = 0,
|
|
EVENT_TYPE_LONG = 1,
|
|
EVENT_TYPE_STRING = 2,
|
|
EVENT_TYPE_LIST = 3,
|
|
} AndroidEventLogType;
|
|
|
|
|
|
#define LOG_EVENT_INT(_tag, _value) { \
|
|
int intBuf = _value; \
|
|
(void) android_btWriteLog(_tag, EVENT_TYPE_INT, &intBuf, \
|
|
sizeof(intBuf)); \
|
|
}
|
|
#define LOG_EVENT_LONG(_tag, _value) { \
|
|
long long longBuf = _value; \
|
|
(void) android_btWriteLog(_tag, EVENT_TYPE_LONG, &longBuf, \
|
|
sizeof(longBuf)); \
|
|
}
|
|
#define LOG_EVENT_STRING(_tag, _value) \
|
|
((void) 0) /* not implemented -- must combine len with string */
|
|
/* 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)
|
|
|
|
#define android_printAssert(cond, tag, fmt...) \
|
|
__android_log_assert(cond, tag, 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)
|
|
|
|
// TODO: remove these prototypes and their users
|
|
#define android_testLog(prio, tag) (1)
|
|
#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)
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // _LIBS_CUTILS_LOG_H
|