/usr/include/pacemaker/crm/common/logging.h is in libcrmcommon-dev 1.1.16-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* \file
* \brief Wrappers for and extensions to libqb logging
* \ingroup core
*/
#ifndef CRM_LOGGING__H
# define CRM_LOGGING__H
# include <qb/qblog.h>
# ifndef LOG_TRACE
# define LOG_TRACE LOG_DEBUG+1
# endif
# define LOG_DEBUG_2 LOG_TRACE
# define LOG_DEBUG_3 LOG_TRACE
# define LOG_DEBUG_4 LOG_TRACE
# define LOG_DEBUG_5 LOG_TRACE
# define LOG_DEBUG_6 LOG_TRACE
/* "Extended information" logging support */
#ifdef QB_XS
# define CRM_XS QB_XS
# define crm_extended_logging(t, e) qb_log_ctl((t), QB_LOG_CONF_EXTENDED, (e))
#else
# define CRM_XS "|"
/* A caller might want to check the return value, so we can't define this as a
* no-op, and we can't simply define it to be 0 because gcc will then complain
* when the value isn't checked.
*/
static inline int
crm_extended_logging(int t, int e)
{
return 0;
}
#endif
extern unsigned int crm_log_level;
extern gboolean crm_config_error;
extern gboolean crm_config_warning;
extern unsigned int crm_trace_nonlog;
enum xml_log_options
{
xml_log_option_filtered = 0x0001,
xml_log_option_formatted = 0x0002,
xml_log_option_text = 0x0004, /* add this option to dump text into xml */
xml_log_option_diff_plus = 0x0010,
xml_log_option_diff_minus = 0x0020,
xml_log_option_diff_short = 0x0040,
xml_log_option_diff_all = 0x0100,
xml_log_option_dirty_add = 0x1000,
xml_log_option_open = 0x2000,
xml_log_option_children = 0x4000,
xml_log_option_close = 0x8000,
};
void crm_enable_blackbox(int nsig);
void crm_disable_blackbox(int nsig);
void crm_write_blackbox(int nsig, struct qb_log_callsite *callsite);
void crm_update_callsites(void);
void crm_log_deinit(void);
gboolean crm_log_cli_init(const char *entity);
void crm_log_preinit(const char *entity, int argc, char **argv);
gboolean crm_log_init(const char *entity, uint8_t level, gboolean daemon,
gboolean to_stderr, int argc, char **argv, gboolean quiet);
void crm_log_args(int argc, char **argv);
void crm_log_output_fn(const char *file, const char *function, int line, int level,
const char *prefix, const char *output);
# define crm_log_output(level, prefix, output) crm_log_output_fn(__FILE__, __FUNCTION__, __LINE__, level, prefix, output)
gboolean crm_add_logfile(const char *filename);
void crm_bump_log_level(int argc, char **argv);
void crm_enable_stderr(int enable);
gboolean crm_is_callsite_active(struct qb_log_callsite *cs, uint8_t level, uint32_t tags);
void log_data_element(int log_level, const char *file, const char *function, int line,
const char *prefix, xmlNode * data, int depth, gboolean formatted);
char *crm_strdup_printf (char const *format, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
/* returns the old value */
unsigned int set_crm_log_level(unsigned int level);
unsigned int get_crm_log_level(void);
/*
* Throughout the macros below, note the leading, pre-comma, space in the
* various ' , ##args' occurences to aid portability across versions of 'gcc'.
* http://gcc.gnu.org/onlinedocs/cpp/Variadic-Macros.html#Variadic-Macros
*/
#if defined(__clang__)
# define CRM_TRACE_INIT_DATA(name)
# else
# define CRM_TRACE_INIT_DATA(name) QB_LOG_INIT_DATA(name)
#endif
/*!
* \brief Log a message
*
* \param[in] level Severity at which to log the message
* \param[in] fmt printf-style format string for message
* \param[in] args Any arguments needed by format string
*/
# define do_crm_log(level, fmt, args...) \
qb_log_from_external_source(__func__, __FILE__, fmt, level, __LINE__, 0 , ##args)
/*!
* \brief Log a message that is likely to be filtered out
*
* \param[in] level Severity at which to log the message
* \param[in] fmt printf-style format string for message
* \param[in] args Any arguments needed by format string
*/
# define do_crm_log_unlikely(level, fmt, args...) do { \
static struct qb_log_callsite *trace_cs = NULL; \
if(trace_cs == NULL) { \
trace_cs = qb_log_callsite_get(__func__, __FILE__, fmt, level, __LINE__, 0); \
} \
if (crm_is_callsite_active(trace_cs, level, 0)) { \
qb_log_from_external_source( \
__func__, __FILE__, fmt, level, __LINE__, 0 , ##args); \
} \
} while(0)
# define CRM_LOG_ASSERT(expr) do { \
if(__unlikely((expr) == FALSE)) { \
static struct qb_log_callsite *core_cs = NULL; \
if(core_cs == NULL) { \
core_cs = qb_log_callsite_get(__func__, __FILE__, "log-assert", LOG_TRACE, __LINE__, 0); \
} \
crm_abort(__FILE__, __FUNCTION__, __LINE__, #expr, \
core_cs?core_cs->targets:FALSE, TRUE); \
} \
} while(0)
/* 'failure_action' MUST NOT be 'continue' as it will apply to the
* macro's do-while loop
*/
# define CRM_CHECK(expr, failure_action) do { \
if(__unlikely((expr) == FALSE)) { \
static struct qb_log_callsite *core_cs = NULL; \
if(core_cs == NULL) { \
core_cs = qb_log_callsite_get(__func__, __FILE__, "check-assert", LOG_TRACE, __LINE__, 0); \
} \
crm_abort(__FILE__, __FUNCTION__, __LINE__, #expr, \
core_cs?core_cs->targets:FALSE, TRUE); \
failure_action; \
} \
} while(0)
# define do_crm_log_xml(level, text, xml) do { \
static struct qb_log_callsite *xml_cs = NULL; \
if(xml_cs == NULL) { \
xml_cs = qb_log_callsite_get(__func__, __FILE__, "xml-blob", level, __LINE__, 0); \
} \
if (crm_is_callsite_active(xml_cs, level, 0)) { \
log_data_element(level, __FILE__, __FUNCTION__, __LINE__, text, xml, 1, xml_log_option_formatted); \
} \
} while(0)
/*!
* \brief Log a message as if it came from a different code location
*
* \param[in] level Severity at which to log the message
* \param[in] file Source file name to use instead of __FILE__
* \param[in] function Source function name to use instead of __func__
* \param[in] line Source line number to use instead of __line__
* \param[in] fmt printf-style format string for message
* \param[in] args Any arguments needed by format string
*/
# define do_crm_log_alias(level, file, function, line, fmt, args...) do { \
if(level > 0) { \
qb_log_from_external_source(function, file, fmt, level, line, 0 , ##args); \
} else { \
printf(fmt "\n" , ##args); \
} \
} while(0)
/*!
* \brief Log a message using constant severity
*
* \param[in] level Severity at which to log the message
* \param[in] fmt printf-style format string for message
* \param[in] args Any arguments needed by format string
*
* \note level and fmt /MUST/ be constants else compilation may fail
*/
# define do_crm_log_always(level, fmt, args...) qb_log(level, fmt , ##args)
/*!
* \brief Log a system error message
*
* \param[in] level Severity at which to log the message
* \param[in] fmt printf-style format string for message
* \param[in] args Any arguments needed by format string
*
* \note Because crm_perror() adds the system error message and error number
* onto the end of fmt, that information will become extended information
* if CRM_XS is used inside fmt and will not show up in syslog.
*/
# define crm_perror(level, fmt, args...) do { \
const char *err = strerror(errno); \
/* cast to int makes coverity happy when level == 0 */ \
if (level <= (int)crm_log_level) { \
fprintf(stderr, fmt ": %s (%d)\n" , ##args, err, errno); \
} \
do_crm_log(level, fmt ": %s (%d)" , ##args, err, errno); \
} while(0)
# define crm_log_tag(level, tag, fmt, args...) do { \
static struct qb_log_callsite *trace_tag_cs = NULL; \
int converted_tag = g_quark_try_string(tag); \
if(trace_tag_cs == NULL) { \
trace_tag_cs = qb_log_callsite_get(__func__, __FILE__, fmt, level, __LINE__, converted_tag); \
} \
if (crm_is_callsite_active(trace_tag_cs, level, converted_tag)) { \
qb_log_from_external_source(__func__, __FILE__, fmt, level, \
__LINE__, converted_tag , ##args); \
} \
} while(0)
# define crm_crit(fmt, args...) qb_logt(LOG_CRIT, 0, fmt , ##args)
# define crm_err(fmt, args...) qb_logt(LOG_ERR, 0, fmt , ##args)
# define crm_warn(fmt, args...) qb_logt(LOG_WARNING, 0, fmt , ##args)
# define crm_notice(fmt, args...) qb_logt(LOG_NOTICE, 0, fmt , ##args)
# define crm_info(fmt, args...) qb_logt(LOG_INFO, 0, fmt , ##args)
# define crm_debug(fmt, args...) do_crm_log_unlikely(LOG_DEBUG, fmt , ##args)
# define crm_trace(fmt, args...) do_crm_log_unlikely(LOG_TRACE, fmt , ##args)
# define crm_log_xml_crit(xml, text) do_crm_log_xml(LOG_CRIT, text, xml)
# define crm_log_xml_err(xml, text) do_crm_log_xml(LOG_ERR, text, xml)
# define crm_log_xml_warn(xml, text) do_crm_log_xml(LOG_WARNING, text, xml)
# define crm_log_xml_notice(xml, text) do_crm_log_xml(LOG_NOTICE, text, xml)
# define crm_log_xml_info(xml, text) do_crm_log_xml(LOG_INFO, text, xml)
# define crm_log_xml_debug(xml, text) do_crm_log_xml(LOG_DEBUG, text, xml)
# define crm_log_xml_trace(xml, text) do_crm_log_xml(LOG_TRACE, text, xml)
# define crm_log_xml_explicit(xml, text) do { \
static struct qb_log_callsite *digest_cs = NULL; \
digest_cs = qb_log_callsite_get( \
__func__, __FILE__, text, LOG_TRACE, __LINE__, \
crm_trace_nonlog); \
if (digest_cs && digest_cs->targets) { \
do_crm_log_xml(LOG_TRACE, text, xml); \
} \
} while(0)
# define crm_str(x) (const char*)(x?x:"<null>")
#endif
|