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mysqlnd_debug.h
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2017 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andrey Hristov <[email protected]> |
| Ulf Wendel <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifndef MYSQLND_DEBUG_H
#define MYSQLND_DEBUG_H
#include "mysqlnd_alloc.h"
#include "zend_stack.h"
struct st_mysqlnd_debug_methods
{
enum_func_status (*open)(MYSQLND_DEBUG * self, zend_bool reopen);
void (*set_mode)(MYSQLND_DEBUG * self, const char * const mode);
enum_func_status (*log)(MYSQLND_DEBUG * self, unsigned int line, const char * const file,
unsigned int level, const char * type, const char *message);
enum_func_status (*log_va)(MYSQLND_DEBUG * self, unsigned int line, const char * const file,
unsigned int level, const char * type, const char *format, ...);
zend_bool (*func_enter)(MYSQLND_DEBUG * self, unsigned int line, const char * const file,
const char * const func_name, unsigned int func_name_len);
enum_func_status (*func_leave)(MYSQLND_DEBUG * self, unsigned int line, const char * const file, uint64_t call_time);
enum_func_status (*close)(MYSQLND_DEBUG * self);
enum_func_status (*free_handle)(MYSQLND_DEBUG * self);
};
struct st_mysqlnd_debug
{
php_stream *stream;
unsigned int flags;
unsigned int nest_level_limit;
int pid;
char * file_name;
zend_stack call_stack;
zend_stack call_time_stack;
HashTable not_filtered_functions;
HashTable function_profiles;
struct st_mysqlnd_debug_methods *m;
const char ** skip_functions;
};
struct st_mysqlnd_plugin_trace_log
{
struct st_mysqlnd_plugin_header plugin_header;
struct
{
MYSQLND_DEBUG * (*trace_instance_init)(const char * skip_functions[]);
} methods;
};
void mysqlnd_debug_trace_plugin_register(void);
PHPAPI MYSQLND_DEBUG * mysqlnd_debug_init(const char * skip_functions[]);
#define MYSQLND_DEBUG_DUMP_TIME 1
#define MYSQLND_DEBUG_DUMP_TRACE 2
#define MYSQLND_DEBUG_DUMP_PID 4
#define MYSQLND_DEBUG_DUMP_LINE 8
#define MYSQLND_DEBUG_DUMP_FILE 16
#define MYSQLND_DEBUG_DUMP_LEVEL 32
#define MYSQLND_DEBUG_APPEND 64
#define MYSQLND_DEBUG_FLUSH 128
#define MYSQLND_DEBUG_TRACE_MEMORY_CALLS 256
#define MYSQLND_DEBUG_PROFILE_CALLS 512
#if defined(__GNUC__) || defined(PHP_WIN32)
#ifdef PHP_WIN32
#include "win32/time.h"
#else
#include <sys/time.h>
#endif
#ifndef MYSQLND_PROFILING_DISABLED
#define DBG_PROFILE_TIMEVAL_TO_DOUBLE(tp) ((tp.tv_sec * 1000000LL)+ tp.tv_usec)
#define DBG_PROFILE_START_TIME() gettimeofday(&__dbg_prof_tp, NULL); __dbg_prof_start = DBG_PROFILE_TIMEVAL_TO_DOUBLE(__dbg_prof_tp);
#define DBG_PROFILE_END_TIME(duration) gettimeofday(&__dbg_prof_tp, NULL); (duration) = (DBG_PROFILE_TIMEVAL_TO_DOUBLE(__dbg_prof_tp) - __dbg_prof_start);
#else
#define DBG_PROFILE_TIMEVAL_TO_DOUBLE(tp)
#define DBG_PROFILE_START_TIME()
#define DBG_PROFILE_END_TIME(duration)
#endif
#define DBG_INF_EX(dbg_obj, msg) do { if (dbg_skip_trace == FALSE && (dbg_obj)) (dbg_obj)->m->log((dbg_obj), __LINE__, __FILE__, -1, "info : ", (msg)); } while (0)
#define DBG_ERR_EX(dbg_obj, msg) do { if (dbg_skip_trace == FALSE && (dbg_obj)) (dbg_obj)->m->log((dbg_obj), __LINE__, __FILE__, -1, "error: ", (msg)); } while (0)
#define DBG_INF_FMT_EX(dbg_obj, ...) do { if (dbg_skip_trace == FALSE && (dbg_obj)) (dbg_obj)->m->log_va((dbg_obj), __LINE__, __FILE__, -1, "info : ", __VA_ARGS__); } while (0)
#define DBG_ERR_FMT_EX(dbg_obj, ...) do { if (dbg_skip_trace == FALSE && (dbg_obj)) (dbg_obj)->m->log_va((dbg_obj), __LINE__, __FILE__, -1, "error: ", __VA_ARGS__); } while (0)
#define DBG_BLOCK_ENTER_EX(dbg_obj, block_name) DBG_BLOCK_ENTER_EX2((dbg_obj), (MYSQLND_DEBUG *) NULL, (block_name))
#define DBG_BLOCK_LEAVE_EX(dbg_obj) DBG_BLOCK_LEAVE_EX2((dbg_obj), (MYSQLND_DEBUG *) NULL)
#define DBG_BLOCK_ENTER_EX2(dbg_obj1, dbg_obj2, block_name) \
{ \
DBG_ENTER_EX2((dbg_obj1), (dbg_obj2), (block_name));
#define DBG_BLOCK_LEAVE_EX2(dbg_obj1, dbg_obj2) \
DBG_LEAVE_EX2((dbg_obj1), (dbg_obj2), ;) \
} \
#define DBG_ENTER_EX(dbg_obj, func_name) DBG_ENTER_EX2((dbg_obj), (MYSQLND_DEBUG *) NULL, (func_name))
#define DBG_LEAVE_EX(dbg_obj, leave) DBG_LEAVE_EX2((dbg_obj), (MYSQLND_DEBUG *) NULL, leave)
#define DBG_ENTER_EX2(dbg_obj1, dbg_obj2, func_name) \
struct timeval __dbg_prof_tp = {0}; \
uint64_t __dbg_prof_start = 0; /* initialization is needed */ \
zend_bool dbg_skip_trace = TRUE; \
((void)__dbg_prof_start); \
if ((dbg_obj1)) { \
dbg_skip_trace = !(dbg_obj1)->m->func_enter((dbg_obj1), __LINE__, __FILE__, func_name, strlen(func_name)); \
} \
if ((dbg_obj2)) { \
dbg_skip_trace |= !(dbg_obj2)->m->func_enter((dbg_obj2), __LINE__, __FILE__, func_name, strlen(func_name)); \
} \
if (dbg_skip_trace) { \
/* EMPTY */ ; /* shut compiler's mouth */ \
} \
do { \
if (((dbg_obj1) && (dbg_obj1)->flags & MYSQLND_DEBUG_PROFILE_CALLS) || \
((dbg_obj2) && (dbg_obj2)->flags & MYSQLND_DEBUG_PROFILE_CALLS)) \
{ \
DBG_PROFILE_START_TIME(); \
} \
} while (0);
#define DBG_LEAVE_EX2(dbg_obj1, dbg_obj2, leave) \
do {\
uint64_t this_call_duration = 0; \
if (((dbg_obj1) && (dbg_obj1)->flags & MYSQLND_DEBUG_PROFILE_CALLS) || \
((dbg_obj2) && (dbg_obj2)->flags & MYSQLND_DEBUG_PROFILE_CALLS)) \
{ \
DBG_PROFILE_END_TIME(this_call_duration); \
} \
if ((dbg_obj1)) { \
(dbg_obj1)->m->func_leave((dbg_obj1), __LINE__, __FILE__, this_call_duration); \
} \
if ((dbg_obj2)) { \
(dbg_obj2)->m->func_leave((dbg_obj2), __LINE__, __FILE__, this_call_duration); \
} \
leave \
} while (0);
#define DBG_RETURN_EX(dbg_obj, value) DBG_LEAVE_EX((dbg_obj), return (value);)
#define DBG_VOID_RETURN_EX(dbg_obj) DBG_LEAVE_EX((dbg_obj), return;)
#define DBG_RETURN_EX2(dbg_obj1, dbg_obj2, value) DBG_LEAVE_EX2((dbg_obj1), (dbg_obj2), return (value);)
#define DBG_VOID_RETURN_EX2(dbg_obj1, dbg_obj2) DBG_LEAVE_EX2((dbg_obj1), (dbg_obj2), return;)
#else /* defined(__GNUC__) || defined(PHP_WIN32) */
static inline void DBG_INF_EX(MYSQLND_DEBUG * dbg_obj, const char * const msg) {}
static inline void DBG_ERR_EX(MYSQLND_DEBUG * dbg_obj, const char * const msg) {}
static inline void DBG_INF_FMT_EX(MYSQLND_DEBUG * dbg_obj, ...) {}
static inline void DBG_ERR_FMT_EX(MYSQLND_DEBUG * dbg_obj, ...) {}
static inline void DBG_ENTER_EX(MYSQLND_DEBUG * dbg_obj, const char * const func_name) {}
#define DBG_BLOCK_ENTER(bname) {
#define DBG_RETURN_EX(dbg_obj, value) return (value)
#define DBG_VOID_RETURN_EX(dbg_obj) return
#define DBG_BLOCK_LEAVE_EX(dbg_obj) }
#endif
#if MYSQLND_DBG_ENABLED == 1
#define DBG_INF(msg) DBG_INF_EX(MYSQLND_G(dbg), (msg))
#define DBG_ERR(msg) DBG_ERR_EX(MYSQLND_G(dbg), (msg))
#define DBG_INF_FMT(...) DBG_INF_FMT_EX(MYSQLND_G(dbg), __VA_ARGS__)
#define DBG_ERR_FMT(...) DBG_ERR_FMT_EX(MYSQLND_G(dbg), __VA_ARGS__)
#define DBG_ENTER(func_name) DBG_ENTER_EX(MYSQLND_G(dbg), (func_name))
#define DBG_BLOCK_ENTER(bname) DBG_BLOCK_ENTER_EX(MYSQLND_G(dbg), (bname))
#define DBG_RETURN(value) DBG_RETURN_EX(MYSQLND_G(dbg), (value))
#define DBG_VOID_RETURN DBG_VOID_RETURN_EX(MYSQLND_G(dbg))
#define DBG_BLOCK_LEAVE DBG_BLOCK_LEAVE_EX(MYSQLND_G(dbg))
#define TRACE_ALLOC_INF(msg) DBG_INF_EX(MYSQLND_G(trace_alloc), (msg))
#define TRACE_ALLOC_ERR(msg) DBG_ERR_EX(MYSQLND_G(trace_alloc), (msg))
#define TRACE_ALLOC_INF_FMT(...) DBG_INF_FMT_EX(MYSQLND_G(trace_alloc), __VA_ARGS__)
#define TRACE_ALLOC_ERR_FMT(...) DBG_ERR_FMT_EX(MYSQLND_G(trace_alloc), __VA_ARGS__)
#define TRACE_ALLOC_ENTER(func_name) DBG_ENTER_EX2(MYSQLND_G(dbg), MYSQLND_G(trace_alloc), (func_name))
#define TRACE_ALLOC_BLOCK_ENTER(bname) DBG_BLOCK_ENTER_EX2(MYSQLND_G(dbg), MYSQLND_G(trace_alloc), (bname))
#define TRACE_ALLOC_RETURN(value) DBG_RETURN_EX2(MYSQLND_G(dbg), MYSQLND_G(trace_alloc), (value))
#define TRACE_ALLOC_VOID_RETURN DBG_VOID_RETURN_EX2(MYSQLND_G(dbg), MYSQLND_G(trace_alloc))
#define TRACE_ALLOC_BLOCK_LEAVE DBG_BLOCK_LEAVE_EX2(MYSQLND_G(dbg), MYSQLND_G(trace_alloc))
#elif MYSQLND_DBG_ENABLED == 0
static inline void DBG_INF(const char * const msg) {}
static inline void DBG_ERR(const char * const msg) {}
static inline void DBG_INF_FMT(const char * const format, ...) {}
static inline void DBG_ERR_FMT(const char * const format, ...) {}
static inline void DBG_ENTER(const char * const func_name) {}
#define DBG_BLOCK_ENTER(bname) {
#define DBG_RETURN(value) return (value)
#define DBG_VOID_RETURN return
#define DBG_BLOCK_LEAVE }
static inline void TRACE_ALLOC_INF(const char * const msg) {}
static inline void TRACE_ALLOC_ERR(const char * const msg) {}
static inline void TRACE_ALLOC_INF_FMT(const char * const format, ...) {}
static inline void TRACE_ALLOC_ERR_FMT(const char * const format, ...) {}
static inline void TRACE_ALLOC_ENTER(const char * const func_name) {}
#define TRACE_ALLOC_BLOCK_ENTER(bname) {
#define TRACE_ALLOC_RETURN(value) return (value)
#define TRACE_ALLOC_VOID_RETURN return
#define TRACE_ALLOC_BLOCK_LEAVE }
#endif
#endif /* MYSQLND_DEBUG_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/