/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2012 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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Georg Richter <georg@mysql.com> |
| Andrey Hristov <andrey@mysql.com> |
| Ulf Wendel <uwendel@mysql.com> |
+----------------------------------------------------------------------+
*/
/* $Id: mysqlnd_debug.c,v 1.1 2012/02/21 23:47:58 misho Exp $ */
#include "php.h"
#include "mysqlnd.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_debug.h"
#include "mysqlnd_wireprotocol.h"
#include "mysqlnd_statistics.h"
#include "zend_builtin_functions.h"
static const char * const mysqlnd_debug_default_trace_file = "/tmp/mysqlnd.trace";
#ifdef ZTS
#define MYSQLND_ZTS(self) TSRMLS_D = (self)->TSRMLS_C
#else
#define MYSQLND_ZTS(self)
#endif
static const char mysqlnd_emalloc_name[] = "_mysqlnd_emalloc";
static const char mysqlnd_pemalloc_name[] = "_mysqlnd_pemalloc";
static const char mysqlnd_ecalloc_name[] = "_mysqlnd_ecalloc";
static const char mysqlnd_pecalloc_name[] = "_mysqlnd_pecalloc";
static const char mysqlnd_erealloc_name[] = "_mysqlnd_erealloc";
static const char mysqlnd_perealloc_name[] = "_mysqlnd_perealloc";
static const char mysqlnd_efree_name[] = "_mysqlnd_efree";
static const char mysqlnd_pefree_name[] = "_mysqlnd_pefree";
static const char mysqlnd_malloc_name[] = "_mysqlnd_malloc";
static const char mysqlnd_calloc_name[] = "_mysqlnd_calloc";
static const char mysqlnd_realloc_name[] = "_mysqlnd_realloc";
static const char mysqlnd_free_name[] = "_mysqlnd_free";
static const char mysqlnd_pestrndup_name[] = "_mysqlnd_pestrndup";
static const char mysqlnd_pestrdup_name[] = "_mysqlnd_pestrdup";
const char * mysqlnd_debug_std_no_trace_funcs[] =
{
mysqlnd_emalloc_name,
mysqlnd_ecalloc_name,
mysqlnd_efree_name,
mysqlnd_erealloc_name,
mysqlnd_pemalloc_name,
mysqlnd_pecalloc_name,
mysqlnd_pefree_name,
mysqlnd_perealloc_name,
mysqlnd_malloc_name,
mysqlnd_calloc_name,
mysqlnd_realloc_name,
mysqlnd_free_name,
mysqlnd_pestrndup_name,
mysqlnd_read_header_name,
mysqlnd_read_body_name,
NULL /* must be always last */
};
/* {{{ mysqlnd_debug::open */
static enum_func_status
MYSQLND_METHOD(mysqlnd_debug, open)(MYSQLND_DEBUG * self, zend_bool reopen)
{
MYSQLND_ZTS(self);
if (!self->file_name) {
return FAIL;
}
self->stream = php_stream_open_wrapper(self->file_name,
reopen == TRUE || self->flags & MYSQLND_DEBUG_APPEND? "ab":"wb",
REPORT_ERRORS, NULL);
return self->stream? PASS:FAIL;
}
/* }}} */
/* {{{ mysqlnd_debug::log */
static enum_func_status
MYSQLND_METHOD(mysqlnd_debug, log)(MYSQLND_DEBUG * self,
unsigned int line, const char * const file,
unsigned int level, const char * type, const char * message)
{
char pipe_buffer[512];
enum_func_status ret;
int i;
char * message_line;
unsigned int message_line_len;
unsigned int flags = self->flags;
char pid_buffer[10], time_buffer[30], file_buffer[200],
line_buffer[6], level_buffer[7];
MYSQLND_ZTS(self);
if (!self->stream && FAIL == self->m->open(self, FALSE)) {
return FAIL;
}
if (level == -1) {
level = zend_stack_count(&self->call_stack);
}
i = MIN(level, sizeof(pipe_buffer) / 2 - 1);
pipe_buffer[i*2] = '\0';
for (;i > 0;i--) {
pipe_buffer[i*2 - 1] = ' ';
pipe_buffer[i*2 - 2] = '|';
}
if (flags & MYSQLND_DEBUG_DUMP_PID) {
snprintf(pid_buffer, sizeof(pid_buffer) - 1, "%5u: ", self->pid);
pid_buffer[sizeof(pid_buffer) - 1 ] = '\0';
}
if (flags & MYSQLND_DEBUG_DUMP_TIME) {
/* The following from FF's DBUG library, which is in the public domain */
#if defined(PHP_WIN32)
/* FIXME This doesn't give microseconds as in Unix case, and the resolution is
in system ticks, 10 ms intervals. See my_getsystime.c for high res */
SYSTEMTIME loc_t;
GetLocalTime(&loc_t);
snprintf(time_buffer, sizeof(time_buffer) - 1,
/* "%04d-%02d-%02d " */
"%02d:%02d:%02d.%06d ",
/*tm_p->tm_year + 1900, tm_p->tm_mon + 1, tm_p->tm_mday,*/
loc_t.wHour, loc_t.wMinute, loc_t.wSecond, loc_t.wMilliseconds);
time_buffer[sizeof(time_buffer) - 1 ] = '\0';
#else
struct timeval tv;
struct tm *tm_p;
if (gettimeofday(&tv, NULL) != -1) {
if ((tm_p= localtime((const time_t *)&tv.tv_sec))) {
snprintf(time_buffer, sizeof(time_buffer) - 1,
/* "%04d-%02d-%02d " */
"%02d:%02d:%02d.%06d ",
/*tm_p->tm_year + 1900, tm_p->tm_mon + 1, tm_p->tm_mday,*/
tm_p->tm_hour, tm_p->tm_min, tm_p->tm_sec,
(int) (tv.tv_usec));
time_buffer[sizeof(time_buffer) - 1 ] = '\0';
}
}
#endif
}
if (flags & MYSQLND_DEBUG_DUMP_FILE) {
snprintf(file_buffer, sizeof(file_buffer) - 1, "%14s: ", file);
file_buffer[sizeof(file_buffer) - 1 ] = '\0';
}
if (flags & MYSQLND_DEBUG_DUMP_LINE) {
snprintf(line_buffer, sizeof(line_buffer) - 1, "%5u: ", line);
line_buffer[sizeof(line_buffer) - 1 ] = '\0';
}
if (flags & MYSQLND_DEBUG_DUMP_LEVEL) {
snprintf(level_buffer, sizeof(level_buffer) - 1, "%4u: ", level);
level_buffer[sizeof(level_buffer) - 1 ] = '\0';
}
message_line_len = spprintf(&message_line, 0, "%s%s%s%s%s%s%s%s\n",
flags & MYSQLND_DEBUG_DUMP_PID? pid_buffer:"",
flags & MYSQLND_DEBUG_DUMP_TIME? time_buffer:"",
flags & MYSQLND_DEBUG_DUMP_FILE? file_buffer:"",
flags & MYSQLND_DEBUG_DUMP_LINE? line_buffer:"",
flags & MYSQLND_DEBUG_DUMP_LEVEL? level_buffer:"",
pipe_buffer, type? type:"", message);
ret = php_stream_write(self->stream, message_line, message_line_len)? PASS:FAIL;
efree(message_line); /* allocated by spprintf */
if (flags & MYSQLND_DEBUG_FLUSH) {
self->m->close(self);
self->m->open(self, TRUE);
}
return ret;
}
/* }}} */
/* {{{ mysqlnd_debug::log_va */
static enum_func_status
MYSQLND_METHOD(mysqlnd_debug, log_va)(MYSQLND_DEBUG *self,
unsigned int line, const char * const file,
unsigned int level, const char * type,
const char *format, ...)
{
char pipe_buffer[512];
int i;
enum_func_status ret;
char * message_line, *buffer;
unsigned int message_line_len;
va_list args;
unsigned int flags = self->flags;
char pid_buffer[10], time_buffer[30], file_buffer[200],
line_buffer[6], level_buffer[7];
MYSQLND_ZTS(self);
if (!self->stream && FAIL == self->m->open(self, FALSE)) {
return FAIL;
}
if (level == -1) {
level = zend_stack_count(&self->call_stack);
}
i = MIN(level, sizeof(pipe_buffer) / 2 - 1);
pipe_buffer[i*2] = '\0';
for (;i > 0;i--) {
pipe_buffer[i*2 - 1] = ' ';
pipe_buffer[i*2 - 2] = '|';
}
if (flags & MYSQLND_DEBUG_DUMP_PID) {
snprintf(pid_buffer, sizeof(pid_buffer) - 1, "%5u: ", self->pid);
pid_buffer[sizeof(pid_buffer) - 1 ] = '\0';
}
if (flags & MYSQLND_DEBUG_DUMP_TIME) {
/* The following from FF's DBUG library, which is in the public domain */
#if defined(PHP_WIN32)
/* FIXME This doesn't give microseconds as in Unix case, and the resolution is
in system ticks, 10 ms intervals. See my_getsystime.c for high res */
SYSTEMTIME loc_t;
GetLocalTime(&loc_t);
snprintf(time_buffer, sizeof(time_buffer) - 1,
/* "%04d-%02d-%02d " */
"%02d:%02d:%02d.%06d ",
/*tm_p->tm_year + 1900, tm_p->tm_mon + 1, tm_p->tm_mday,*/
loc_t.wHour, loc_t.wMinute, loc_t.wSecond, loc_t.wMilliseconds);
time_buffer[sizeof(time_buffer) - 1 ] = '\0';
#else
struct timeval tv;
struct tm *tm_p;
if (gettimeofday(&tv, NULL) != -1) {
if ((tm_p= localtime((const time_t *)&tv.tv_sec))) {
snprintf(time_buffer, sizeof(time_buffer) - 1,
/* "%04d-%02d-%02d " */
"%02d:%02d:%02d.%06d ",
/*tm_p->tm_year + 1900, tm_p->tm_mon + 1, tm_p->tm_mday,*/
tm_p->tm_hour, tm_p->tm_min, tm_p->tm_sec,
(int) (tv.tv_usec));
time_buffer[sizeof(time_buffer) - 1 ] = '\0';
}
}
#endif
}
if (flags & MYSQLND_DEBUG_DUMP_FILE) {
snprintf(file_buffer, sizeof(file_buffer) - 1, "%14s: ", file);
file_buffer[sizeof(file_buffer) - 1 ] = '\0';
}
if (flags & MYSQLND_DEBUG_DUMP_LINE) {
snprintf(line_buffer, sizeof(line_buffer) - 1, "%5u: ", line);
line_buffer[sizeof(line_buffer) - 1 ] = '\0';
}
if (flags & MYSQLND_DEBUG_DUMP_LEVEL) {
snprintf(level_buffer, sizeof(level_buffer) - 1, "%4u: ", level);
level_buffer[sizeof(level_buffer) - 1 ] = '\0';
}
va_start(args, format);
vspprintf(&buffer, 0, format, args);
va_end(args);
message_line_len = spprintf(&message_line, 0, "%s%s%s%s%s%s%s%s\n",
flags & MYSQLND_DEBUG_DUMP_PID? pid_buffer:"",
flags & MYSQLND_DEBUG_DUMP_TIME? time_buffer:"",
flags & MYSQLND_DEBUG_DUMP_FILE? file_buffer:"",
flags & MYSQLND_DEBUG_DUMP_LINE? line_buffer:"",
flags & MYSQLND_DEBUG_DUMP_LEVEL? level_buffer:"",
pipe_buffer, type? type:"", buffer);
efree(buffer);
ret = php_stream_write(self->stream, message_line, message_line_len)? PASS:FAIL;
efree(message_line); /* allocated by spprintf */
if (flags & MYSQLND_DEBUG_FLUSH) {
self->m->close(self);
self->m->open(self, TRUE);
}
return ret;
}
/* }}} */
/* FALSE - The DBG_ calls won't be traced, TRUE - will be traced */
/* {{{ mysqlnd_debug::func_enter */
static zend_bool
MYSQLND_METHOD(mysqlnd_debug, func_enter)(MYSQLND_DEBUG * self,
unsigned int line, const char * const file,
const char * const func_name, unsigned int func_name_len)
{
if ((self->flags & MYSQLND_DEBUG_DUMP_TRACE) == 0 || self->file_name == NULL) {
return FALSE;
}
if ((uint) zend_stack_count(&self->call_stack) >= self->nest_level_limit) {
return FALSE;
}
if ((self->flags & MYSQLND_DEBUG_TRACE_MEMORY_CALLS) == 0 && self->skip_functions) {
const char ** p = self->skip_functions;
while (*p) {
if (*p == func_name) {
zend_stack_push(&self->call_stack, "", sizeof(""));
#ifndef MYSQLND_PROFILING_DISABLED
if (self->flags & MYSQLND_DEBUG_PROFILE_CALLS) {
uint64_t some_time = 0;
zend_stack_push(&self->call_time_stack, &some_time, sizeof(some_time));
}
#endif
return FALSE;
}
p++;
}
}
zend_stack_push(&self->call_stack, func_name, func_name_len + 1);
#ifndef MYSQLND_PROFILING_DISABLED
if (self->flags & MYSQLND_DEBUG_PROFILE_CALLS) {
uint64_t some_time = 0;
zend_stack_push(&self->call_time_stack, &some_time, sizeof(some_time));
}
#endif
if (zend_hash_num_elements(&self->not_filtered_functions) &&
0 == zend_hash_exists(&self->not_filtered_functions, func_name, strlen(func_name) + 1))
{
return FALSE;
}
self->m->log_va(self, line, file, zend_stack_count(&self->call_stack) - 1, NULL, ">%s", func_name);
return TRUE;
}
/* }}} */
#ifndef MYSQLND_PROFILING_DISABLED
struct st_mysqlnd_dbg_function_profile {
uint64_t calls;
uint64_t min_own;
uint64_t max_own;
uint64_t avg_own;
uint64_t own_underporm_calls;
uint64_t min_in_calls;
uint64_t max_in_calls;
uint64_t avg_in_calls;
uint64_t in_calls_underporm_calls;
uint64_t min_total;
uint64_t max_total;
uint64_t avg_total;
uint64_t total_underporm_calls;
};
#define PROFILE_UNDERPERFORM_THRESHOLD 10
#endif
/* {{{ mysqlnd_debug::func_leave */
static enum_func_status
MYSQLND_METHOD(mysqlnd_debug, func_leave)(MYSQLND_DEBUG * self, unsigned int line, const char * const file, uint64_t call_time)
{
char *func_name;
uint64_t * parent_non_own_time_ptr = NULL, * mine_non_own_time_ptr = NULL;
uint64_t mine_non_own_time = 0;
zend_bool profile_calls = self->flags & MYSQLND_DEBUG_PROFILE_CALLS? TRUE:FALSE;
if ((self->flags & MYSQLND_DEBUG_DUMP_TRACE) == 0 || self->file_name == NULL) {
return PASS;
}
if ((uint) zend_stack_count(&self->call_stack) >= self->nest_level_limit) {
return PASS;
}
zend_stack_top(&self->call_stack, (void **)&func_name);
#ifndef MYSQLND_PROFILING_DISABLED
if (profile_calls) {
zend_stack_top(&self->call_time_stack, (void **)&mine_non_own_time_ptr);
mine_non_own_time = *mine_non_own_time_ptr;
zend_stack_del_top(&self->call_time_stack); /* callee - removing ourselves */
}
#endif
if (func_name[0] == '\0') {
; /* don't log that function */
} else if (!zend_hash_num_elements(&self->not_filtered_functions) ||
1 == zend_hash_exists(&self->not_filtered_functions, func_name, strlen(func_name) + 1))
{
#ifndef MYSQLND_PROFILING_DISABLED
if (FALSE == profile_calls) {
#endif
self->m->log_va(self, line, file, zend_stack_count(&self->call_stack) - 1, NULL, "<%s", func_name);
#ifndef MYSQLND_PROFILING_DISABLED
} else {
struct st_mysqlnd_dbg_function_profile f_profile_stack = {0};
struct st_mysqlnd_dbg_function_profile * f_profile = NULL;
uint64_t own_time = call_time - mine_non_own_time;
uint func_name_len = strlen(func_name);
self->m->log_va(self, line, file, zend_stack_count(&self->call_stack) - 1, NULL, "<%s (total=%u own=%u in_calls=%u)",
func_name, (unsigned int) call_time, (unsigned int) own_time, (unsigned int) mine_non_own_time
);
if (SUCCESS == zend_hash_find(&self->function_profiles, func_name, func_name_len + 1, (void **) &f_profile)) {
/* found */
if (f_profile) {
if (mine_non_own_time < f_profile->min_in_calls) {
f_profile->min_in_calls = mine_non_own_time;
} else if (mine_non_own_time > f_profile->max_in_calls) {
f_profile->max_in_calls = mine_non_own_time;
}
f_profile->avg_in_calls = (f_profile->avg_in_calls * f_profile->calls + mine_non_own_time) / (f_profile->calls + 1);
if (own_time < f_profile->min_own) {
f_profile->min_own = own_time;
} else if (own_time > f_profile->max_own) {
f_profile->max_own = own_time;
}
f_profile->avg_own = (f_profile->avg_own * f_profile->calls + own_time) / (f_profile->calls + 1);
if (call_time < f_profile->min_total) {
f_profile->min_total = call_time;
} else if (call_time > f_profile->max_total) {
f_profile->max_total = call_time;
}
f_profile->avg_total = (f_profile->avg_total * f_profile->calls + call_time) / (f_profile->calls + 1);
++f_profile->calls;
if (f_profile->calls > PROFILE_UNDERPERFORM_THRESHOLD) {
if (f_profile->avg_in_calls < mine_non_own_time) {
f_profile->in_calls_underporm_calls++;
}
if (f_profile->avg_own < own_time) {
f_profile->own_underporm_calls++;
}
if (f_profile->avg_total < call_time) {
f_profile->total_underporm_calls++;
}
}
}
} else {
/* add */
f_profile = &f_profile_stack;
f_profile->min_in_calls = f_profile->max_in_calls = f_profile->avg_in_calls = mine_non_own_time;
f_profile->min_total = f_profile->max_total = f_profile->avg_total = call_time;
f_profile->min_own = f_profile->max_own = f_profile->avg_own = own_time;
f_profile->calls = 1;
zend_hash_add(&self->function_profiles, func_name, func_name_len+1, f_profile, sizeof(struct st_mysqlnd_dbg_function_profile), NULL);
}
if ((uint) zend_stack_count(&self->call_time_stack)) {
uint64_t parent_non_own_time = 0;
zend_stack_top(&self->call_time_stack, (void **)&parent_non_own_time_ptr);
parent_non_own_time = *parent_non_own_time_ptr;
parent_non_own_time += call_time;
zend_stack_del_top(&self->call_time_stack); /* the caller */
zend_stack_push(&self->call_time_stack, &parent_non_own_time, sizeof(parent_non_own_time)); /* add back the caller */
}
}
#endif
}
return zend_stack_del_top(&self->call_stack) == SUCCESS? PASS:FAIL;
}
/* }}} */
/* {{{ mysqlnd_debug::close */
static enum_func_status
MYSQLND_METHOD(mysqlnd_debug, close)(MYSQLND_DEBUG * self)
{
MYSQLND_ZTS(self);
if (self->stream) {
#ifndef MYSQLND_PROFILING_DISABLED
if (!(self->flags & MYSQLND_DEBUG_FLUSH) && (self->flags & MYSQLND_DEBUG_PROFILE_CALLS)) {
struct st_mysqlnd_dbg_function_profile * f_profile;
HashPosition pos_values;
self->m->log_va(self, __LINE__, __FILE__, 0, "info : ",
"number of functions: %d", zend_hash_num_elements(&self->function_profiles));
zend_hash_internal_pointer_reset_ex(&self->function_profiles, &pos_values);
while (zend_hash_get_current_data_ex(&self->function_profiles, (void **) &f_profile, &pos_values) == SUCCESS) {
char *string_key = NULL;
uint string_key_len;
ulong num_key;
zend_hash_get_current_key_ex(&self->function_profiles, &string_key, &string_key_len, &num_key, 0, &pos_values);
self->m->log_va(self, __LINE__, __FILE__, -1, "info : ",
"%-40s\tcalls=%5llu own_slow=%5llu in_calls_slow=%5llu total_slow=%5llu"
" min_own=%5llu max_own=%7llu avg_own=%7llu "
" min_in_calls=%5llu max_in_calls=%7llu avg_in_calls=%7llu"
" min_total=%5llu max_total=%7llu avg_total=%7llu"
,string_key
,(uint64_t) f_profile->calls
,(uint64_t) f_profile->own_underporm_calls
,(uint64_t) f_profile->in_calls_underporm_calls
,(uint64_t) f_profile->total_underporm_calls
,(uint64_t) f_profile->min_own
,(uint64_t) f_profile->max_own
,(uint64_t) f_profile->avg_own
,(uint64_t) f_profile->min_in_calls
,(uint64_t) f_profile->max_in_calls
,(uint64_t) f_profile->avg_in_calls
,(uint64_t) f_profile->min_total
,(uint64_t) f_profile->max_total
,(uint64_t) f_profile->avg_total
);
zend_hash_move_forward_ex(&self->function_profiles, &pos_values);
}
}
#endif
php_stream_free(self->stream, PHP_STREAM_FREE_CLOSE);
self->stream = NULL;
}
/* no DBG_RETURN please */
return PASS;
}
/* }}} */
/* {{{ mysqlnd_res_meta::free */
static enum_func_status
MYSQLND_METHOD(mysqlnd_debug, free)(MYSQLND_DEBUG * self)
{
if (self->file_name && self->file_name != mysqlnd_debug_default_trace_file) {
efree(self->file_name);
self->file_name = NULL;
}
zend_stack_destroy(&self->call_stack);
zend_stack_destroy(&self->call_time_stack);
zend_hash_destroy(&self->not_filtered_functions);
zend_hash_destroy(&self->function_profiles);
efree(self);
return PASS;
}
/* }}} */
enum mysqlnd_debug_parser_state
{
PARSER_WAIT_MODIFIER,
PARSER_WAIT_COLON,
PARSER_WAIT_VALUE
};
/* {{{ mysqlnd_res_meta::set_mode */
static void
MYSQLND_METHOD(mysqlnd_debug, set_mode)(MYSQLND_DEBUG * self, const char * const mode)
{
unsigned int mode_len = strlen(mode), i;
enum mysqlnd_debug_parser_state state = PARSER_WAIT_MODIFIER;
self->flags = 0;
self->nest_level_limit = 0;
if (self->file_name && self->file_name != mysqlnd_debug_default_trace_file) {
efree(self->file_name);
self->file_name = NULL;
}
if (zend_hash_num_elements(&self->not_filtered_functions)) {
zend_hash_destroy(&self->not_filtered_functions);
zend_hash_init(&self->not_filtered_functions, 0, NULL, NULL, 0);
}
for (i = 0; i < mode_len; i++) {
switch (mode[i]) {
case 'O':
case 'A':
self->flags |= MYSQLND_DEBUG_FLUSH;
case 'a':
case 'o':
if (mode[i] == 'a' || mode[i] == 'A') {
self->flags |= MYSQLND_DEBUG_APPEND;
}
if (i + 1 < mode_len && mode[i+1] == ',') {
unsigned int j = i + 2;
#ifdef PHP_WIN32
if (i+4 < mode_len && mode[i+3] == ':' && (mode[i+4] == '\\' || mode[i+5] == '/')) {
j = i + 5;
}
#endif
while (j < mode_len) {
if (mode[j] == ':') {
break;
}
j++;
}
if (j > i + 2) {
self->file_name = estrndup(mode + i + 2, j - i - 2);
}
i = j;
} else {
if (!self->file_name)
self->file_name = (char *) mysqlnd_debug_default_trace_file;
}
state = PARSER_WAIT_COLON;
break;
case ':':
#if 0
if (state != PARSER_WAIT_COLON) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Consecutive semicolons at position %u", i);
}
#endif
state = PARSER_WAIT_MODIFIER;
break;
case 'f': /* limit output to these functions */
if (i + 1 < mode_len && mode[i+1] == ',') {
unsigned int j = i + 2;
i++;
while (j < mode_len) {
if (mode[j] == ':') {
/* function names with :: */
if ((j + 1 < mode_len) && mode[j+1] == ':') {
j += 2;
continue;
}
}
if (mode[j] == ',' || mode[j] == ':') {
if (j > i + 2) {
char func_name[1024];
unsigned int func_name_len = MIN(sizeof(func_name) - 1, j - i - 1);
memcpy(func_name, mode + i + 1, func_name_len);
func_name[func_name_len] = '\0';
zend_hash_add_empty_element(&self->not_filtered_functions,
func_name, func_name_len + 1);
i = j;
}
if (mode[j] == ':') {
break;
}
}
j++;
}
i = j;
} else {
#if 0
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"Expected list of functions for '%c' found none", mode[i]);
#endif
}
state = PARSER_WAIT_COLON;
break;
case 'D':
case 'd':
case 'g':
case 'p':
/* unsupported */
if ((i + 1) < mode_len && mode[i+1] == ',') {
i+= 2;
while (i < mode_len) {
if (mode[i] == ':') {
break;
}
i++;
}
}
state = PARSER_WAIT_COLON;
break;
case 'F':
self->flags |= MYSQLND_DEBUG_DUMP_FILE;
state = PARSER_WAIT_COLON;
break;
case 'i':
self->flags |= MYSQLND_DEBUG_DUMP_PID;
state = PARSER_WAIT_COLON;
break;
case 'L':
self->flags |= MYSQLND_DEBUG_DUMP_LINE;
state = PARSER_WAIT_COLON;
break;
case 'n':
self->flags |= MYSQLND_DEBUG_DUMP_LEVEL;
state = PARSER_WAIT_COLON;
break;
case 't':
if (mode[i+1] == ',') {
unsigned int j = i + 2;
while (j < mode_len) {
if (mode[j] == ':') {
break;
}
j++;
}
if (j > i + 2) {
char *value_str = estrndup(mode + i + 2, j - i - 2);
self->nest_level_limit = atoi(value_str);
efree(value_str);
}
i = j;
} else {
self->nest_level_limit = 200; /* default value for FF DBUG */
}
self->flags |= MYSQLND_DEBUG_DUMP_TRACE;
state = PARSER_WAIT_COLON;
break;
case 'T':
self->flags |= MYSQLND_DEBUG_DUMP_TIME;
state = PARSER_WAIT_COLON;
break;
case 'N':
case 'P':
case 'r':
case 'S':
state = PARSER_WAIT_COLON;
break;
case 'm': /* mysqlnd extension - trace memory functions */
self->flags |= MYSQLND_DEBUG_TRACE_MEMORY_CALLS;
state = PARSER_WAIT_COLON;
break;
case 'x': /* mysqlnd extension - profile calls */
self->flags |= MYSQLND_DEBUG_PROFILE_CALLS;
state = PARSER_WAIT_COLON;
break;
default:
if (state == PARSER_WAIT_MODIFIER) {
#if 0
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unrecognized format '%c'", mode[i]);
#endif
if (i+1 < mode_len && mode[i+1] == ',') {
i+= 2;
while (i < mode_len) {
if (mode[i] == ':') {
break;
}
i++;
}
}
state = PARSER_WAIT_COLON;
} else if (state == PARSER_WAIT_COLON) {
#if 0
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Colon expected, '%c' found", mode[i]);
#endif
}
break;
}
}
}
/* }}} */
MYSQLND_CLASS_METHODS_START(mysqlnd_debug)
MYSQLND_METHOD(mysqlnd_debug, open),
MYSQLND_METHOD(mysqlnd_debug, set_mode),
MYSQLND_METHOD(mysqlnd_debug, log),
MYSQLND_METHOD(mysqlnd_debug, log_va),
MYSQLND_METHOD(mysqlnd_debug, func_enter),
MYSQLND_METHOD(mysqlnd_debug, func_leave),
MYSQLND_METHOD(mysqlnd_debug, close),
MYSQLND_METHOD(mysqlnd_debug, free),
MYSQLND_CLASS_METHODS_END;
/* {{{ mysqlnd_debug_init */
PHPAPI MYSQLND_DEBUG *
mysqlnd_debug_init(const char * skip_functions[] TSRMLS_DC)
{
MYSQLND_DEBUG *ret = ecalloc(1, sizeof(MYSQLND_DEBUG));
#ifdef ZTS
ret->TSRMLS_C = TSRMLS_C;
#endif
ret->nest_level_limit = 0;
ret->pid = getpid();
zend_stack_init(&ret->call_stack);
zend_stack_init(&ret->call_time_stack);
zend_hash_init(&ret->not_filtered_functions, 0, NULL, NULL, 0);
zend_hash_init(&ret->function_profiles, 0, NULL, NULL, 0);
ret->m = & mysqlnd_mysqlnd_debug_methods;
ret->skip_functions = skip_functions;
return ret;
}
/* }}} */
/* {{{ _mysqlnd_debug */
PHPAPI void _mysqlnd_debug(const char * mode TSRMLS_DC)
{
#ifdef PHP_DEBUG
MYSQLND_DEBUG *dbg = MYSQLND_G(dbg);
if (!dbg) {
MYSQLND_G(dbg) = dbg = mysqlnd_debug_init(mysqlnd_debug_std_no_trace_funcs TSRMLS_CC);
if (!dbg) {
return;
}
}
dbg->m->close(dbg);
dbg->m->set_mode(dbg, mode);
while (zend_stack_count(&dbg->call_stack)) {
zend_stack_del_top(&dbg->call_stack);
}
while (zend_stack_count(&dbg->call_time_stack)) {
zend_stack_del_top(&dbg->call_time_stack);
}
#endif
}
/* }}} */
#if ZEND_DEBUG
#else
#define __zend_filename "/unknown/unknown"
#define __zend_lineno 0
#endif
#define REAL_SIZE(s) (collect_memory_statistics? (s) + sizeof(size_t) : (s))
#define REAL_PTR(p) (collect_memory_statistics && (p)? (((char *)(p)) - sizeof(size_t)) : (p))
#define FAKE_PTR(p) (collect_memory_statistics && (p)? (((char *)(p)) + sizeof(size_t)) : (p))
/* {{{ _mysqlnd_emalloc */
void * _mysqlnd_emalloc(size_t size MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
long * threshold = &MYSQLND_G(debug_emalloc_fail_threshold);
DBG_ENTER(mysqlnd_emalloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = emalloc(REAL_SIZE(size));
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("size=%lu ptr=%p", size, ret);
if (ret && collect_memory_statistics) {
*(size_t *) ret = size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_EMALLOC_COUNT, 1, STAT_MEM_EMALLOC_AMOUNT, size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_pemalloc */
void * _mysqlnd_pemalloc(size_t size, zend_bool persistent MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
long * threshold = persistent? &MYSQLND_G(debug_malloc_fail_threshold):&MYSQLND_G(debug_emalloc_fail_threshold);
DBG_ENTER(mysqlnd_pemalloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = pemalloc(REAL_SIZE(size), persistent);
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("size=%lu ptr=%p persistent=%u", size, ret, persistent);
if (ret && collect_memory_statistics) {
enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_MALLOC_COUNT:STAT_MEM_EMALLOC_COUNT;
enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_MALLOC_AMOUNT:STAT_MEM_EMALLOC_AMOUNT;
*(size_t *) ret = size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_ecalloc */
void * _mysqlnd_ecalloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
long * threshold = &MYSQLND_G(debug_ecalloc_fail_threshold);
DBG_ENTER(mysqlnd_ecalloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("before: %lu", zend_memory_usage(FALSE TSRMLS_CC));
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = ecalloc(nmemb, REAL_SIZE(size));
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("after : %lu", zend_memory_usage(FALSE TSRMLS_CC));
DBG_INF_FMT("size=%lu ptr=%p", size, ret);
if (ret && collect_memory_statistics) {
*(size_t *) ret = size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_ECALLOC_COUNT, 1, STAT_MEM_ECALLOC_AMOUNT, size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_pecalloc */
void * _mysqlnd_pecalloc(unsigned int nmemb, size_t size, zend_bool persistent MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
long * threshold = persistent? &MYSQLND_G(debug_calloc_fail_threshold):&MYSQLND_G(debug_ecalloc_fail_threshold);
DBG_ENTER(mysqlnd_pecalloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = pecalloc(nmemb, REAL_SIZE(size), persistent);
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("size=%lu ptr=%p", size, ret);
if (ret && collect_memory_statistics) {
enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_CALLOC_COUNT:STAT_MEM_ECALLOC_COUNT;
enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_CALLOC_AMOUNT:STAT_MEM_ECALLOC_AMOUNT;
*(size_t *) ret = size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_erealloc */
void * _mysqlnd_erealloc(void *ptr, size_t new_size MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
size_t old_size = collect_memory_statistics && ptr? *(size_t *) (((char*)ptr) - sizeof(size_t)) : 0;
long * threshold = &MYSQLND_G(debug_erealloc_fail_threshold);
DBG_ENTER(mysqlnd_erealloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p old_size=%lu, new_size=%lu", ptr, old_size, new_size);
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = erealloc(REAL_PTR(ptr), REAL_SIZE(new_size));
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("new_ptr=%p", (char*)ret);
if (ret && collect_memory_statistics) {
*(size_t *) ret = new_size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_EREALLOC_COUNT, 1, STAT_MEM_EREALLOC_AMOUNT, new_size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_perealloc */
void * _mysqlnd_perealloc(void *ptr, size_t new_size, zend_bool persistent MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
size_t old_size = collect_memory_statistics && ptr? *(size_t *) (((char*)ptr) - sizeof(size_t)) : 0;
long * threshold = persistent? &MYSQLND_G(debug_realloc_fail_threshold):&MYSQLND_G(debug_erealloc_fail_threshold);
DBG_ENTER(mysqlnd_perealloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p old_size=%lu new_size=%lu persistent=%u", ptr, old_size, new_size, persistent);
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = perealloc(REAL_PTR(ptr), REAL_SIZE(new_size), persistent);
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("new_ptr=%p", (char*)ret);
if (ret && collect_memory_statistics) {
enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_REALLOC_COUNT:STAT_MEM_EREALLOC_COUNT;
enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_REALLOC_AMOUNT:STAT_MEM_EREALLOC_AMOUNT;
*(size_t *) ret = new_size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, new_size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_efree */
void _mysqlnd_efree(void *ptr MYSQLND_MEM_D)
{
size_t free_amount = 0;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
DBG_ENTER(mysqlnd_efree_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p", ptr);
if (ptr) {
if (collect_memory_statistics) {
free_amount = *(size_t *)(((char*)ptr) - sizeof(size_t));
DBG_INF_FMT("ptr=%p size=%u", ((char*)ptr) - sizeof(size_t), (unsigned int) free_amount);
}
efree(REAL_PTR(ptr));
}
if (collect_memory_statistics) {
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_EFREE_COUNT, 1, STAT_MEM_EFREE_AMOUNT, free_amount);
}
DBG_VOID_RETURN;
}
/* }}} */
/* {{{ _mysqlnd_pefree */
void _mysqlnd_pefree(void *ptr, zend_bool persistent MYSQLND_MEM_D)
{
size_t free_amount = 0;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
DBG_ENTER(mysqlnd_pefree_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p persistent=%u", ptr, persistent);
if (ptr) {
if (collect_memory_statistics) {
free_amount = *(size_t *)(((char*)ptr) - sizeof(size_t));
DBG_INF_FMT("ptr=%p size=%u", ((char*)ptr) - sizeof(size_t), (unsigned int) free_amount);
}
pefree(REAL_PTR(ptr), persistent);
}
if (collect_memory_statistics) {
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(persistent? STAT_MEM_FREE_COUNT:STAT_MEM_EFREE_COUNT, 1,
persistent? STAT_MEM_FREE_AMOUNT:STAT_MEM_EFREE_AMOUNT, free_amount);
}
DBG_VOID_RETURN;
}
/* {{{ _mysqlnd_malloc */
void * _mysqlnd_malloc(size_t size MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
long * threshold = &MYSQLND_G(debug_malloc_fail_threshold);
DBG_ENTER(mysqlnd_malloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = malloc(REAL_SIZE(size));
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("size=%lu ptr=%p", size, ret);
if (ret && collect_memory_statistics) {
*(size_t *) ret = size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_MALLOC_COUNT, 1, STAT_MEM_MALLOC_AMOUNT, size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_calloc */
void * _mysqlnd_calloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
long * threshold = &MYSQLND_G(debug_calloc_fail_threshold);
DBG_ENTER(mysqlnd_calloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = calloc(nmemb, REAL_SIZE(size));
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("size=%lu ptr=%p", size, ret);
if (ret && collect_memory_statistics) {
*(size_t *) ret = size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_CALLOC_COUNT, 1, STAT_MEM_CALLOC_AMOUNT, size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_realloc */
void * _mysqlnd_realloc(void *ptr, size_t new_size MYSQLND_MEM_D)
{
void *ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
long * threshold = &MYSQLND_G(debug_realloc_fail_threshold);
DBG_ENTER(mysqlnd_realloc_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p new_size=%lu ", new_size, ptr);
DBG_INF_FMT("before: %lu", zend_memory_usage(TRUE TSRMLS_CC));
#ifdef PHP_DEBUG
/* -1 is also "true" */
if (*threshold) {
#endif
ret = realloc(REAL_PTR(ptr), REAL_SIZE(new_size));
#ifdef PHP_DEBUG
--*threshold;
} else if (*threshold == 0) {
ret = NULL;
}
#endif
DBG_INF_FMT("new_ptr=%p", (char*)ret);
if (ret && collect_memory_statistics) {
*(size_t *) ret = new_size;
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_REALLOC_COUNT, 1, STAT_MEM_REALLOC_AMOUNT, new_size);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_free */
void _mysqlnd_free(void *ptr MYSQLND_MEM_D)
{
size_t free_amount = 0;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
DBG_ENTER(mysqlnd_free_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p", ptr);
if (ptr) {
if (collect_memory_statistics) {
free_amount = *(size_t *)(((char*)ptr) - sizeof(size_t));
DBG_INF_FMT("ptr=%p size=%u", ((char*)ptr) - sizeof(size_t), (unsigned int) free_amount);
}
free(REAL_PTR(ptr));
}
if (collect_memory_statistics) {
MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_FREE_COUNT, 1, STAT_MEM_FREE_AMOUNT, free_amount);
}
DBG_VOID_RETURN;
}
/* }}} */
#define SMART_STR_START_SIZE 2048
#define SMART_STR_PREALLOC 512
#include "ext/standard/php_smart_str.h"
/* {{{ _mysqlnd_pestrndup */
char * _mysqlnd_pestrndup(const char * const ptr, size_t length, zend_bool persistent MYSQLND_MEM_D)
{
char * ret;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
DBG_ENTER(mysqlnd_pestrndup_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p", ptr);
ret = pemalloc(REAL_SIZE(length) + 1, persistent);
{
size_t l = length;
char * p = (char *) ptr;
char * dest = (char *) FAKE_PTR(ret);
while (*p && l--) {
*dest++ = *p++;
}
*dest = '\0';
}
if (collect_memory_statistics) {
*(size_t *) ret = length;
MYSQLND_INC_GLOBAL_STATISTIC(persistent? STAT_MEM_STRNDUP_COUNT : STAT_MEM_ESTRNDUP_COUNT);
}
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
/* {{{ _mysqlnd_pestrdup */
char * _mysqlnd_pestrdup(const char * const ptr, zend_bool persistent MYSQLND_MEM_D)
{
char * ret;
smart_str tmp_str = {0, 0, 0};
const char * p = ptr;
zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
DBG_ENTER(mysqlnd_pestrdup_name);
DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
DBG_INF_FMT("ptr=%p", ptr);
do {
smart_str_appendc(&tmp_str, *p);
} while (*p++);
ret = pemalloc(tmp_str.len + sizeof(size_t), persistent);
memcpy(FAKE_PTR(ret), tmp_str.c, tmp_str.len);
if (ret && collect_memory_statistics) {
*(size_t *) ret = tmp_str.len;
MYSQLND_INC_GLOBAL_STATISTIC(persistent? STAT_MEM_STRDUP_COUNT : STAT_MEM_ESTRDUP_COUNT);
}
smart_str_free(&tmp_str);
DBG_RETURN(FAKE_PTR(ret));
}
/* }}} */
#define MYSQLND_DEBUG_MEMORY 1
#if MYSQLND_DEBUG_MEMORY == 0
/* {{{ mysqlnd_zend_mm_emalloc */
static void * mysqlnd_zend_mm_emalloc(size_t size MYSQLND_MEM_D)
{
return emalloc(size);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_pemalloc */
static void * mysqlnd_zend_mm_pemalloc(size_t size, zend_bool persistent MYSQLND_MEM_D)
{
return pemalloc(size, persistent);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_ecalloc */
static void * mysqlnd_zend_mm_ecalloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
return ecalloc(nmemb, size);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_pecalloc */
static void * mysqlnd_zend_mm_pecalloc(unsigned int nmemb, size_t size, zend_bool persistent MYSQLND_MEM_D)
{
return pecalloc(nmemb, size, persistent);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_erealloc */
static void * mysqlnd_zend_mm_erealloc(void *ptr, size_t new_size MYSQLND_MEM_D)
{
return erealloc(ptr, new_size);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_perealloc */
static void * mysqlnd_zend_mm_perealloc(void *ptr, size_t new_size, zend_bool persistent MYSQLND_MEM_D)
{
return perealloc(ptr, new_size, persistent);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_efree */
static void mysqlnd_zend_mm_efree(void * ptr MYSQLND_MEM_D)
{
efree(ptr);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_pefree */
static void mysqlnd_zend_mm_pefree(void * ptr, zend_bool persistent MYSQLND_MEM_D)
{
pefree(ptr, persistent);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_malloc */
static void * mysqlnd_zend_mm_malloc(size_t size MYSQLND_MEM_D)
{
return malloc(size);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_calloc */
static void * mysqlnd_zend_mm_calloc(unsigned int nmemb, size_t size MYSQLND_MEM_D)
{
return calloc(nmemb, size);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_realloc */
static void * mysqlnd_zend_mm_realloc(void * ptr, size_t new_size MYSQLND_MEM_D)
{
return realloc(ptr, new_size);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_free */
static void mysqlnd_zend_mm_free(void * ptr MYSQLND_MEM_D)
{
free(ptr);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_pestrndup */
static char * mysqlnd_zend_mm_pestrndup(const char * const ptr, size_t length, zend_bool persistent MYSQLND_MEM_D)
{
return pestrndup(ptr, length, persistent);
}
/* }}} */
/* {{{ mysqlnd_zend_mm_pestrdup */
static char * mysqlnd_zend_mm_pestrdup(const char * const ptr, zend_bool persistent MYSQLND_MEM_D)
{
return pestrdup(ptr, persistent);
}
/* }}} */
#endif
PHPAPI struct st_mysqlnd_allocator_methods mysqlnd_allocator =
{
#if MYSQLND_DEBUG_MEMORY
_mysqlnd_emalloc,
_mysqlnd_pemalloc,
_mysqlnd_ecalloc,
_mysqlnd_pecalloc,
_mysqlnd_erealloc,
_mysqlnd_perealloc,
_mysqlnd_efree,
_mysqlnd_pefree,
_mysqlnd_malloc,
_mysqlnd_calloc,
_mysqlnd_realloc,
_mysqlnd_free,
_mysqlnd_pestrndup,
_mysqlnd_pestrdup
#else
mysqlnd_zend_mm_emalloc,
mysqlnd_zend_mm_pemalloc,
mysqlnd_zend_mm_ecalloc,
mysqlnd_zend_mm_pecalloc,
mysqlnd_zend_mm_erealloc,
mysqlnd_zend_mm_perealloc,
mysqlnd_zend_mm_efree,
mysqlnd_zend_mm_pefree,
mysqlnd_zend_mm_malloc,
mysqlnd_zend_mm_calloc,
mysqlnd_zend_mm_realloc,
mysqlnd_zend_mm_free,
mysqlnd_zend_mm_pestrndup,
mysqlnd_zend_mm_pestrdup
#endif
};
/* Follows code borrowed from zend_builtin_functions.c because the functions there are static */
#if MYSQLND_UNICODE
/* {{{ gettraceasstring() macros */
#define TRACE_APPEND_CHR(chr) \
*str = (char*)erealloc(*str, *len + 1 + 1); \
(*str)[(*len)++] = chr
#define TRACE_APPEND_STRL(val, vallen) \
{ \
int l = vallen; \
*str = (char*)erealloc(*str, *len + l + 1); \
memcpy((*str) + *len, val, l); \
*len += l; \
}
#define TRACE_APPEND_USTRL(val, vallen) \
{ \
zval tmp, copy; \
int use_copy; \
ZVAL_UNICODEL(&tmp, val, vallen, 1); \
zend_make_printable_zval(&tmp, ©, &use_copy); \
TRACE_APPEND_STRL(Z_STRVAL(copy), Z_STRLEN(copy)); \
zval_dtor(©); \
zval_dtor(&tmp); \
}
#define TRACE_APPEND_ZVAL(zv) \
if (Z_TYPE_P((zv)) == IS_UNICODE) { \
zval copy; \
int use_copy; \
zend_make_printable_zval((zv), ©, &use_copy); \
TRACE_APPEND_STRL(Z_STRVAL(copy), Z_STRLEN(copy)); \
zval_dtor(©); \
} else { \
TRACE_APPEND_STRL(Z_STRVAL_P((zv)), Z_STRLEN_P((zv))); \
}
#define TRACE_APPEND_STR(val) \
TRACE_APPEND_STRL(val, sizeof(val)-1)
#define TRACE_APPEND_KEY(key) \
if (zend_ascii_hash_find(ht, key, sizeof(key), (void**)&tmp) == SUCCESS) { \
if (Z_TYPE_PP(tmp) == IS_UNICODE) { \
zval copy; \
int use_copy; \
zend_make_printable_zval(*tmp, ©, &use_copy); \
TRACE_APPEND_STRL(Z_STRVAL(copy), Z_STRLEN(copy)); \
zval_dtor(©); \
} else { \
TRACE_APPEND_STRL(Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp)); \
} \
}
/* }}} */
/* {{{ mysqlnd_build_trace_args */
static int mysqlnd_build_trace_args(zval **arg TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key)
{
char **str;
int *len;
str = va_arg(args, char**);
len = va_arg(args, int*);
/* the trivial way would be to do:
* conver_to_string_ex(arg);
* append it and kill the now tmp arg.
* but that could cause some E_NOTICE and also damn long lines.
*/
switch (Z_TYPE_PP(arg)) {
case IS_NULL:
TRACE_APPEND_STR("NULL, ");
break;
case IS_STRING: {
int l_added;
TRACE_APPEND_CHR('\'');
if (Z_STRLEN_PP(arg) > 15) {
TRACE_APPEND_STRL(Z_STRVAL_PP(arg), 15);
TRACE_APPEND_STR("...', ");
l_added = 15 + 6 + 1; /* +1 because of while (--l_added) */
} else {
l_added = Z_STRLEN_PP(arg);
TRACE_APPEND_STRL(Z_STRVAL_PP(arg), l_added);
TRACE_APPEND_STR("', ");
l_added += 3 + 1;
}
while (--l_added) {
if ((unsigned char)(*str)[*len - l_added] < 32) {
(*str)[*len - l_added] = '?';
}
}
break;
}
case IS_UNICODE: {
int l_added;
/*
* We do not want to apply current error mode here, since
* zend_make_printable_zval() uses output encoding converter.
* Temporarily set output encoding converter to escape offending
* chars with \uXXXX notation.
*/
zend_set_converter_error_mode(ZEND_U_CONVERTER(UG(output_encoding_conv)), ZEND_FROM_UNICODE, ZEND_CONV_ERROR_ESCAPE_JAVA);
TRACE_APPEND_CHR('\'');
if (Z_USTRLEN_PP(arg) > 15) {
TRACE_APPEND_USTRL(Z_USTRVAL_PP(arg), 15);
TRACE_APPEND_STR("...', ");
l_added = 15 + 6 + 1; /* +1 because of while (--l_added) */
} else {
l_added = Z_USTRLEN_PP(arg);
TRACE_APPEND_USTRL(Z_USTRVAL_PP(arg), l_added);
TRACE_APPEND_STR("', ");
l_added += 3 + 1;
}
/*
* Reset output encoding converter error mode.
*/
zend_set_converter_error_mode(ZEND_U_CONVERTER(UG(output_encoding_conv)), ZEND_FROM_UNICODE, UG(from_error_mode));
while (--l_added) {
if ((unsigned char)(*str)[*len - l_added] < 32) {
(*str)[*len - l_added] = '?';
}
}
break;
}
case IS_BOOL:
if (Z_LVAL_PP(arg)) {
TRACE_APPEND_STR("true, ");
} else {
TRACE_APPEND_STR("false, ");
}
break;
case IS_RESOURCE:
TRACE_APPEND_STR("Resource id #");
/* break; */
case IS_LONG: {
long lval = Z_LVAL_PP(arg);
char s_tmp[MAX_LENGTH_OF_LONG + 1];
int l_tmp = zend_sprintf(s_tmp, "%ld", lval); /* SAFE */
TRACE_APPEND_STRL(s_tmp, l_tmp);
TRACE_APPEND_STR(", ");
break;
}
case IS_DOUBLE: {
double dval = Z_DVAL_PP(arg);
char *s_tmp;
int l_tmp;
s_tmp = emalloc(MAX_LENGTH_OF_DOUBLE + EG(precision) + 1);
l_tmp = zend_sprintf(s_tmp, "%.*G", (int) EG(precision), dval); /* SAFE */
TRACE_APPEND_STRL(s_tmp, l_tmp);
/* %G already handles removing trailing zeros from the fractional part, yay */
efree(s_tmp);
TRACE_APPEND_STR(", ");
break;
}
case IS_ARRAY:
TRACE_APPEND_STR("Array, ");
break;
case IS_OBJECT: {
zval tmp;
zstr class_name;
zend_uint class_name_len;
int dup;
TRACE_APPEND_STR("Object(");
dup = zend_get_object_classname(*arg, &class_name, &class_name_len TSRMLS_CC);
ZVAL_UNICODEL(&tmp, class_name.u, class_name_len, 1);
convert_to_string_with_converter(&tmp, ZEND_U_CONVERTER(UG(output_encoding_conv)));
TRACE_APPEND_STRL(Z_STRVAL(tmp), Z_STRLEN(tmp));
zval_dtor(&tmp);
if(!dup) {
efree(class_name.v);
}
TRACE_APPEND_STR("), ");
break;
}
default:
break;
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
static int mysqlnd_build_trace_string(zval **frame TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
{
char *s_tmp, **str;
int *len, *num;
long line;
HashTable *ht = Z_ARRVAL_PP(frame);
zval **file, **tmp;
uint * level;
level = va_arg(args, uint *);
str = va_arg(args, char**);
len = va_arg(args, int*);
num = va_arg(args, int*);
if (!*level) {
return ZEND_HASH_APPLY_KEEP;
}
--*level;
s_tmp = emalloc(1 + MAX_LENGTH_OF_LONG + 1 + 1);
sprintf(s_tmp, "#%d ", (*num)++);
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
efree(s_tmp);
if (zend_ascii_hash_find(ht, "file", sizeof("file"), (void**)&file) == SUCCESS) {
if (zend_ascii_hash_find(ht, "line", sizeof("line"), (void**)&tmp) == SUCCESS) {
line = Z_LVAL_PP(tmp);
} else {
line = 0;
}
TRACE_APPEND_ZVAL(*file);
s_tmp = emalloc(MAX_LENGTH_OF_LONG + 2 + 1);
sprintf(s_tmp, "(%ld): ", line);
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
efree(s_tmp);
} else {
TRACE_APPEND_STR("[internal function]: ");
}
TRACE_APPEND_KEY("class");
TRACE_APPEND_KEY("type");
TRACE_APPEND_KEY("function");
TRACE_APPEND_CHR('(');
if (zend_ascii_hash_find(ht, "args", sizeof("args"), (void**)&tmp) == SUCCESS) {
int last_len = *len;
zend_hash_apply_with_arguments(Z_ARRVAL_PP(tmp) TSRMLS_CC, (apply_func_args_t)mysqlnd_build_trace_args, 2, str, len);
if (last_len != *len) {
*len -= 2; /* remove last ', ' */
}
}
TRACE_APPEND_STR(")\n");
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
#else /* PHP 5*/
/* {{{ gettraceasstring() macros */
#define TRACE_APPEND_CHR(chr) \
*str = (char*)erealloc(*str, *len + 1 + 1); \
(*str)[(*len)++] = chr
#define TRACE_APPEND_STRL(val, vallen) \
{ \
int l = vallen; \
*str = (char*)erealloc(*str, *len + l + 1); \
memcpy((*str) + *len, val, l); \
*len += l; \
}
#define TRACE_APPEND_STR(val) \
TRACE_APPEND_STRL(val, sizeof(val)-1)
#define TRACE_APPEND_KEY(key) \
if (zend_hash_find(ht, key, sizeof(key), (void**)&tmp) == SUCCESS) { \
TRACE_APPEND_STRL(Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp)); \
}
/* }}} */
static int mysqlnd_build_trace_args(zval **arg TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
{
char **str;
int *len;
str = va_arg(args, char**);
len = va_arg(args, int*);
/* the trivial way would be to do:
* conver_to_string_ex(arg);
* append it and kill the now tmp arg.
* but that could cause some E_NOTICE and also damn long lines.
*/
switch (Z_TYPE_PP(arg)) {
case IS_NULL:
TRACE_APPEND_STR("NULL, ");
break;
case IS_STRING: {
int l_added;
TRACE_APPEND_CHR('\'');
if (Z_STRLEN_PP(arg) > 15) {
TRACE_APPEND_STRL(Z_STRVAL_PP(arg), 15);
TRACE_APPEND_STR("...', ");
l_added = 15 + 6 + 1; /* +1 because of while (--l_added) */
} else {
l_added = Z_STRLEN_PP(arg);
TRACE_APPEND_STRL(Z_STRVAL_PP(arg), l_added);
TRACE_APPEND_STR("', ");
l_added += 3 + 1;
}
while (--l_added) {
if ((*str)[*len - l_added] < 32) {
(*str)[*len - l_added] = '?';
}
}
break;
}
case IS_BOOL:
if (Z_LVAL_PP(arg)) {
TRACE_APPEND_STR("true, ");
} else {
TRACE_APPEND_STR("false, ");
}
break;
case IS_RESOURCE:
TRACE_APPEND_STR("Resource id #");
/* break; */
case IS_LONG: {
long lval = Z_LVAL_PP(arg);
char s_tmp[MAX_LENGTH_OF_LONG + 1];
int l_tmp = zend_sprintf(s_tmp, "%ld", lval); /* SAFE */
TRACE_APPEND_STRL(s_tmp, l_tmp);
TRACE_APPEND_STR(", ");
break;
}
case IS_DOUBLE: {
double dval = Z_DVAL_PP(arg);
char *s_tmp;
int l_tmp;
s_tmp = emalloc(MAX_LENGTH_OF_DOUBLE + EG(precision) + 1);
l_tmp = zend_sprintf(s_tmp, "%.*G", (int) EG(precision), dval); /* SAFE */
TRACE_APPEND_STRL(s_tmp, l_tmp);
/* %G already handles removing trailing zeros from the fractional part, yay */
efree(s_tmp);
TRACE_APPEND_STR(", ");
break;
}
case IS_ARRAY:
TRACE_APPEND_STR("Array, ");
break;
case IS_OBJECT: {
char *class_name;
zend_uint class_name_len;
int dupl;
TRACE_APPEND_STR("Object(");
dupl = zend_get_object_classname(*arg, &class_name, &class_name_len TSRMLS_CC);
TRACE_APPEND_STRL(class_name, class_name_len);
if (!dupl) {
efree(class_name);
}
TRACE_APPEND_STR("), ");
break;
}
default:
break;
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
static int mysqlnd_build_trace_string(zval **frame TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
{
char *s_tmp, **str;
int *len, *num;
long line;
HashTable *ht = Z_ARRVAL_PP(frame);
zval **file, **tmp;
uint * level;
level = va_arg(args, uint *);
str = va_arg(args, char**);
len = va_arg(args, int*);
num = va_arg(args, int*);
if (!*level) {
return ZEND_HASH_APPLY_KEEP;
}
--*level;
s_tmp = emalloc(1 + MAX_LENGTH_OF_LONG + 1 + 1);
sprintf(s_tmp, "#%d ", (*num)++);
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
efree(s_tmp);
if (zend_hash_find(ht, "file", sizeof("file"), (void**)&file) == SUCCESS) {
if (zend_hash_find(ht, "line", sizeof("line"), (void**)&tmp) == SUCCESS) {
line = Z_LVAL_PP(tmp);
} else {
line = 0;
}
s_tmp = emalloc(Z_STRLEN_PP(file) + MAX_LENGTH_OF_LONG + 4 + 1);
sprintf(s_tmp, "%s(%ld): ", Z_STRVAL_PP(file), line);
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
efree(s_tmp);
} else {
TRACE_APPEND_STR("[internal function]: ");
}
TRACE_APPEND_KEY("class");
TRACE_APPEND_KEY("type");
TRACE_APPEND_KEY("function");
TRACE_APPEND_CHR('(');
if (zend_hash_find(ht, "args", sizeof("args"), (void**)&tmp) == SUCCESS) {
int last_len = *len;
zend_hash_apply_with_arguments(Z_ARRVAL_PP(tmp) TSRMLS_CC, (apply_func_args_t)mysqlnd_build_trace_args, 2, str, len);
if (last_len != *len) {
*len -= 2; /* remove last ', ' */
}
}
TRACE_APPEND_STR(")\n");
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
#endif
PHPAPI char * mysqlnd_get_backtrace(uint max_levels, size_t * length TSRMLS_DC)
{
zval *trace;
char *res = estrdup(""), **str = &res, *s_tmp;
int res_len = 0, *len = &res_len, num = 0;
if (max_levels == 0) {
max_levels = 99999;
}
MAKE_STD_ZVAL(trace);
zend_fetch_debug_backtrace(trace, 0, 0 TSRMLS_CC);
zend_hash_apply_with_arguments(Z_ARRVAL_P(trace) TSRMLS_CC, (apply_func_args_t)mysqlnd_build_trace_string, 4, &max_levels, str, len, &num);
zval_ptr_dtor(&trace);
if (max_levels) {
s_tmp = emalloc(1 + MAX_LENGTH_OF_LONG + 7 + 1);
sprintf(s_tmp, "#%d {main}", num);
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
efree(s_tmp);
}
res[res_len] = '\0';
*length = res_len;
return res;
}
/*
* 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
*/
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