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/*
* Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2006 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
/*
* Abstract:
* Declaration of osm_log_t.
* This object represents the log file.
* This object is part of the OpenSM family of objects.
*/
#ifndef _OSM_LOG_H_
#define _OSM_LOG_H_
#ifndef __WIN__
#include <syslog.h>
#endif
#include <complib/cl_spinlock.h>
#include <opensm/osm_base.h>
#include <iba/ib_types.h>
#include <stdio.h>
#ifdef __GNUC__
#define STRICT_OSM_LOG_FORMAT __attribute__((format(printf, 3, 4)))
#else
#define STRICT_OSM_LOG_FORMAT
#endif
#ifdef __cplusplus
# define BEGIN_C_DECLS extern "C" {
# define END_C_DECLS }
#else /* !__cplusplus */
# define BEGIN_C_DECLS
# define END_C_DECLS
#endif /* __cplusplus */
BEGIN_C_DECLS
#define LOG_ENTRY_SIZE_MAX 4096
#define BUF_SIZE LOG_ENTRY_SIZE_MAX
#define __func__ __FUNCTION__
#define OSM_LOG_ENTER( OSM_LOG_PTR ) \
osm_log( OSM_LOG_PTR, OSM_LOG_FUNCS, \
"%s: [\n", __func__);
#define OSM_LOG_EXIT( OSM_LOG_PTR ) \
osm_log( OSM_LOG_PTR, OSM_LOG_FUNCS, \
"%s: ]\n", __func__);
/****h* OpenSM/Log
* NAME
* Log
*
* DESCRIPTION
*
* AUTHOR
*
*********/
typedef uint8_t osm_log_level_t;
#define OSM_LOG_NONE 0x00
#define OSM_LOG_ERROR 0x01
#define OSM_LOG_INFO 0x02
#define OSM_LOG_VERBOSE 0x04
#define OSM_LOG_DEBUG 0x08
#define OSM_LOG_FUNCS 0x10
#define OSM_LOG_FRAMES 0x20
#define OSM_LOG_ROUTING 0x40
#define OSM_LOG_ALL 0x7f
#define OSM_LOG_SYS 0x80
/*
DEFAULT - turn on ERROR and INFO only
*/
#define OSM_LOG_DEFAULT_LEVEL OSM_LOG_ERROR | OSM_LOG_INFO
/****s* OpenSM: MAD Wrapper/osm_log_t
* NAME
* osm_log_t
*
* DESCRIPTION
*
* SYNOPSIS
*/
typedef struct osm_log {
osm_log_level_t level;
cl_spinlock_t lock;
unsigned long count;
unsigned long max_size;
boolean_t flush;
FILE *out_port;
boolean_t accum_log_file;
boolean_t daemon;
char *log_file_name;
} osm_log_t;
/*********/
/****f* OpenSM: Log/osm_log_construct
* NAME
* osm_log_construct
*
* DESCRIPTION
* This function constructs a Log object.
*
* SYNOPSIS
*/
static inline void osm_log_construct(IN osm_log_t * const p_log)
{
cl_spinlock_construct(&p_log->lock);
}
/*
* PARAMETERS
* p_log
* [in] Pointer to a Log object to construct.
*
* RETURN VALUE
* This function does not return a value.
*
* NOTES
* Allows calling osm_log_init, osm_log_init_v2, osm_log_destroy
*
* Calling osm_log_construct is a prerequisite to calling any other
* method except osm_log_init or osm_log_init_v2.
*
* SEE ALSO
* Log object, osm_log_init, osm_log_init_v2,
* osm_log_destroy
*********/
/****f* OpenSM: Log/osm_log_destroy
* NAME
* osm_log_destroy
*
* DESCRIPTION
* The osm_log_destroy function destroys the object, releasing
* all resources.
*
* SYNOPSIS
*/
static inline void osm_log_destroy(IN osm_log_t * const p_log)
{
cl_spinlock_destroy(&p_log->lock);
if (p_log->out_port != stdout) {
fclose(p_log->out_port);
p_log->out_port = stdout;
}
closelog();
}
/*
* PARAMETERS
* p_log
* [in] Pointer to the object to destroy.
*
* RETURN VALUE
* This function does not return a value.
*
* NOTES
* Performs any necessary cleanup of the specified
* Log object.
* Further operations should not be attempted on the destroyed object.
* This function should only be called after a call to
* osm_log_construct, osm_log_init, or osm_log_init_v2.
*
* SEE ALSO
* Log object, osm_log_construct,
* osm_log_init, osm_log_init_v2
*********/
/****f* OpenSM: Log/osm_log_init_v2
* NAME
* osm_log_init_v2
*
* DESCRIPTION
* The osm_log_init_v2 function initializes a
* Log object for use.
*
* SYNOPSIS
*/
ib_api_status_t
osm_log_init_v2(IN osm_log_t * const p_log,
IN const boolean_t flush,
IN const uint8_t log_flags,
IN const char *log_file,
IN const unsigned long max_size,
IN const boolean_t accum_log_file);
/*
* PARAMETERS
* p_log
* [in] Pointer to the log object.
*
* flush
* [in] Set to TRUE directs the log to flush all log messages
* immediately. This severely degrades log performance,
* and is normally used for debugging only.
*
* log_flags
* [in] The log verbosity level to be used.
*
* log_file
* [in] if not NULL defines the name of the log file. Otherwise
* it is stdout.
*
* RETURN VALUES
* CL_SUCCESS if the Log object was initialized
* successfully.
*
* NOTES
* Allows calling other Log methods.
*
* SEE ALSO
* Log object, osm_log_construct,
* osm_log_destroy
*********/
/****f* OpenSM: Log/osm_log_reopen_file
* NAME
* osm_log_reopen_file
*
* DESCRIPTION
* The osm_log_reopen_file function reopens the log file
*
* SYNOPSIS
*/
int osm_log_reopen_file(osm_log_t * p_log);
/*
* PARAMETERS
* p_log
* [in] Pointer to the log object.
*
* RETURN VALUES
* 0 on success or nonzero value otherwise.
*********/
/****f* OpenSM: Log/osm_log_init
* NAME
* osm_log_init
*
* DESCRIPTION
* The osm_log_init function initializes a
* Log object for use. It is a wrapper for osm_log_init_v2().
*
* SYNOPSIS
*/
ib_api_status_t
osm_log_init(IN osm_log_t * const p_log,
IN const boolean_t flush,
IN const uint8_t log_flags,
IN const char *log_file, IN const boolean_t accum_log_file);
/*
* Same as osm_log_init_v2() but without max_size parameter
*/
void
osm_log(IN osm_log_t * const p_log,
IN const osm_log_level_t verbosity,
IN const char *p_str, ...) STRICT_OSM_LOG_FORMAT;
/****f* OpenSM: Log/osm_log_get_level
* NAME
* osm_log_get_level
*
* DESCRIPTION
* Returns the current log level.
*
* SYNOPSIS
*/
static inline osm_log_level_t
osm_log_get_level(IN const osm_log_t * const p_log)
{
return (p_log->level);
}
/*
* PARAMETERS
* p_log
* [in] Pointer to the log object.
*
* RETURN VALUES
* Returns the current log level.
*
* NOTES
*
* SEE ALSO
* Log object, osm_log_construct,
* osm_log_destroy
*********/
/****f* OpenSM: Log/osm_log_set_level
* NAME
* osm_log_set_level
*
* DESCRIPTION
* Sets the current log level.
*
* SYNOPSIS
*/
static inline void
osm_log_set_level(IN osm_log_t * const p_log, IN const osm_log_level_t level)
{
p_log->level = level;
osm_log(p_log, OSM_LOG_ALL, "Setting log level to: 0x%02x\n", level);
}
/*
* PARAMETERS
* p_log
* [in] Pointer to the log object.
*
* level
* [in] New level to set.
*
* RETURN VALUES
* Returns the current log level.
*
* NOTES
*
* SEE ALSO
* Log object, osm_log_construct,
* osm_log_destroy
*********/
/****f* OpenSM: Log/osm_log_is_active
* NAME
* osm_log_is_active
*
* DESCRIPTION
* Returns TRUE if the specified log level would be logged.
* FALSE otherwise.
*
* SYNOPSIS
*/
static inline boolean_t
osm_log_is_active(IN const osm_log_t * const p_log,
IN const osm_log_level_t level)
{
return ((p_log->level & level) != 0);
}
/*
* PARAMETERS
* p_log
* [in] Pointer to the log object.
*
* level
* [in] Level to check.
*
* RETURN VALUES
* Returns TRUE if the specified log level would be logged.
* FALSE otherwise.
*
* NOTES
*
* SEE ALSO
* Log object, osm_log_construct,
* osm_log_destroy
*********/
extern void osm_log_msg_box(osm_log_t *log, osm_log_level_t level,
const char *func_name, const char *msg);
extern void osm_log_raw(IN osm_log_t * const p_log,
IN const osm_log_level_t verbosity, IN const char *p_buf);
#define OSM_LOG(log, level, fmt, arg...) do { \
if (osm_log_is_active(log, (level))) \
osm_log(log, level, "%s: " fmt, __func__, ##arg); \
} while (0)
#define OSM_LOG_MSG_BOX(log, level, msg) \
osm_log_msg_box(log, level, __func__, msg)
#define DBG_CL_LOCK 0
#define CL_PLOCK_EXCL_ACQUIRE( __exp__ ) \
{ \
if (DBG_CL_LOCK) \
printf("cl_plock_excl_acquire: Acquiring %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
cl_plock_excl_acquire( __exp__ ); \
if (DBG_CL_LOCK) \
printf("cl_plock_excl_acquire: Acquired %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
}
#define CL_PLOCK_ACQUIRE( __exp__ ) \
{ \
if (DBG_CL_LOCK) \
printf("cl_plock_acquire: Acquiring %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
cl_plock_acquire( __exp__ ); \
if (DBG_CL_LOCK) \
printf("cl_plock_acquire: Acquired %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
}
#define CL_PLOCK_RELEASE( __exp__ ) \
{ \
if (DBG_CL_LOCK) \
printf("cl_plock_release: Releasing %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
cl_plock_release( __exp__ ); \
if (DBG_CL_LOCK) \
printf("cl_plock_release: Released %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
}
#define DBG_CL_SPINLOCK 0
#define CL_SPINLOCK_RELEASE( __exp__ ) \
{ \
if (DBG_CL_SPINLOCK) \
printf("cl_spinlock_release: Releasing %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
cl_spinlock_release( __exp__ ); \
if (DBG_CL_SPINLOCK) \
printf("cl_spinlock_release: Released %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
}
#define CL_SPINLOCK_ACQUIRE( __exp__ ) \
{ \
if (DBG_CL_SPINLOCK) \
printf("cl_spinlock_acquire: Acquiring %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
cl_spinlock_acquire( __exp__ ); \
if (DBG_CL_SPINLOCK) \
printf("cl_spinlock_acquire: Acquired %p file %s, line %d\n", \
__exp__,__FILE__, __LINE__); \
}
/****f* OpenSM: Helper/osm_is_debug
* NAME
* osm_is_debug
*
* DESCRIPTION
* The osm_is_debug function returns TRUE if the opensm was compiled
* in debug mode, and FALSE otherwise.
*
* SYNOPSIS
*/
boolean_t osm_is_debug(void);
/*
* PARAMETERS
* None
*
* RETURN VALUE
* TRUE if compiled in debug version. FALSE otherwise.
*
* NOTES
*
*********/
END_C_DECLS
#endif /* _OSM_LOG_H_ */