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PHP-8.2.6
php-src/ext/mysqlnd/php_mysqlnd.c
Dmitry Stogov 90b7bde615 Use more compact representation for packed arrays. 
- for packed arrays we store just an array of zvals without keys.
- the elements of packed array are accessible throuf as ht->arPacked[i]
  instead of ht->arData[i]
- in addition to general ZEND_HASH_FOREACH_* macros, we introduced similar
  familied for packed (ZEND_HASH_PACKED_FORECH_*) and real hashes
  (ZEND_HASH_MAP_FOREACH_*)
- introduced an additional family of macros to access elements of array
  (packed or real hashes) ZEND_ARRAY_ELEMET_SIZE, ZEND_ARRAY_ELEMET_EX,
  ZEND_ARRAY_ELEMET, ZEND_ARRAY_NEXT_ELEMENT, ZEND_ARRAY_PREV_ELEMENT
- zend_hash_minmax() prototype was changed to compare only values

Because of smaller data set, this patch may show performance improvement
on some apps and benchmarks that use packed arrays. (~1% on PHP-Parser)

TODO:
    - sapi/phpdbg needs special support for packed arrays (WATCH_ON_BUCKET).
    - zend_hash_sort_ex() may require converting packed arrays to hash.
2021-11-03 15:18:26 +03:00

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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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: Andrey Hristov <andrey@php.net> |
| Ulf Wendel <uw@php.net> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "mysqlnd.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_debug.h"
#include "mysqlnd_statistics.h"
#include "mysqlnd_reverse_api.h"
#include "ext/standard/info.h"
#include "zend_smart_str.h"
/* {{{ mysqlnd_minfo_print_hash */
PHPAPI void
mysqlnd_minfo_print_hash(zval *values)
{
zval *values_entry;
zend_string *string_key;
ZEND_HASH_MAP_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(values), string_key, values_entry) {
convert_to_string(values_entry);
php_info_print_table_row(2, ZSTR_VAL(string_key), Z_STRVAL_P(values_entry));
} ZEND_HASH_FOREACH_END();
}
/* }}} */
/* {{{ mysqlnd_minfo_dump_loaded_plugins */
static int
mysqlnd_minfo_dump_loaded_plugins(zval *el, void * buf)
{
smart_str * buffer = (smart_str *) buf;
struct st_mysqlnd_plugin_header * plugin_header = (struct st_mysqlnd_plugin_header *)Z_PTR_P(el);
if (plugin_header->plugin_name) {
if (buffer->s) {
smart_str_appendc(buffer, ',');
}
smart_str_appends(buffer, plugin_header->plugin_name);
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
/* {{{ mysqlnd_minfo_dump_api_plugins */
static void
mysqlnd_minfo_dump_api_plugins(smart_str * buffer)
{
HashTable *ht = mysqlnd_reverse_api_get_api_list();
MYSQLND_REVERSE_API *ext;
ZEND_HASH_MAP_FOREACH_PTR(ht, ext) {
if (buffer->s) {
smart_str_appendc(buffer, ',');
}
smart_str_appends(buffer, ext->module->name);
} ZEND_HASH_FOREACH_END();
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(mysqlnd)
{
char buf[32];
php_info_print_table_start();
php_info_print_table_header(2, "mysqlnd", "enabled");
php_info_print_table_row(2, "Version", mysqlnd_get_client_info());
php_info_print_table_row(2, "Compression",
#ifdef MYSQLND_COMPRESSION_ENABLED
"supported");
#else
"not supported");
#endif
php_info_print_table_row(2, "core SSL",
#ifdef MYSQLND_SSL_SUPPORTED
"supported");
#else
"not supported");
#endif
php_info_print_table_row(2, "extended SSL",
#ifdef MYSQLND_HAVE_SSL
"supported");
#else
"not supported");
#endif
snprintf(buf, sizeof(buf), ZEND_LONG_FMT, MYSQLND_G(net_cmd_buffer_size));
php_info_print_table_row(2, "Command buffer size", buf);
snprintf(buf, sizeof(buf), ZEND_LONG_FMT, MYSQLND_G(net_read_buffer_size));
php_info_print_table_row(2, "Read buffer size", buf);
snprintf(buf, sizeof(buf), ZEND_LONG_FMT, MYSQLND_G(net_read_timeout));
php_info_print_table_row(2, "Read timeout", buf);
php_info_print_table_row(2, "Collecting statistics", MYSQLND_G(collect_statistics)? "Yes":"No");
php_info_print_table_row(2, "Collecting memory statistics", MYSQLND_G(collect_memory_statistics)? "Yes":"No");
php_info_print_table_row(2, "Tracing", MYSQLND_G(debug)? MYSQLND_G(debug):"n/a");
/* loaded plugins */
{
smart_str tmp_str = {0};
mysqlnd_plugin_apply_with_argument(mysqlnd_minfo_dump_loaded_plugins, &tmp_str);
smart_str_0(&tmp_str);
php_info_print_table_row(2, "Loaded plugins", tmp_str.s? ZSTR_VAL(tmp_str.s) : "");
smart_str_free(&tmp_str);
mysqlnd_minfo_dump_api_plugins(&tmp_str);
smart_str_0(&tmp_str);
php_info_print_table_row(2, "API Extensions", tmp_str.s? ZSTR_VAL(tmp_str.s) : "");
smart_str_free(&tmp_str);
}
php_info_print_table_end();
}
/* }}} */
PHPAPI ZEND_DECLARE_MODULE_GLOBALS(mysqlnd)
/* {{{ PHP_GINIT_FUNCTION */
static PHP_GINIT_FUNCTION(mysqlnd)
{
#if defined(COMPILE_DL_MYSQLND) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
mysqlnd_globals->collect_statistics = TRUE;
mysqlnd_globals->collect_memory_statistics = FALSE;
mysqlnd_globals->debug = NULL; /* The actual string */
mysqlnd_globals->dbg = NULL; /* The DBG object*/
mysqlnd_globals->trace_alloc_settings = NULL;
mysqlnd_globals->trace_alloc = NULL;
mysqlnd_globals->net_cmd_buffer_size = MYSQLND_NET_CMD_BUFFER_MIN_SIZE;
mysqlnd_globals->net_read_buffer_size = 32768;
mysqlnd_globals->net_read_timeout = 31536000;
mysqlnd_globals->log_mask = 0;
mysqlnd_globals->mempool_default_size = 16000;
mysqlnd_globals->sha256_server_public_key = NULL;
}
/* }}} */
/* {{{ PHP_INI_MH */
static PHP_INI_MH(OnUpdateNetCmdBufferSize)
{
zend_long long_value = ZEND_ATOL(ZSTR_VAL(new_value));
if (long_value < MYSQLND_NET_CMD_BUFFER_MIN_SIZE) {
return FAILURE;
}
MYSQLND_G(net_cmd_buffer_size) = long_value;
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI_BEGIN */
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("mysqlnd.collect_statistics", "1", PHP_INI_ALL, OnUpdateBool, collect_statistics, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_BOOLEAN("mysqlnd.collect_memory_statistics","0",PHP_INI_SYSTEM, OnUpdateBool, collect_memory_statistics, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.debug", NULL, PHP_INI_SYSTEM, OnUpdateString, debug, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.trace_alloc", NULL, PHP_INI_SYSTEM, OnUpdateString, trace_alloc_settings, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.net_cmd_buffer_size", MYSQLND_NET_CMD_BUFFER_MIN_SIZE_STR, PHP_INI_ALL, OnUpdateNetCmdBufferSize, net_cmd_buffer_size, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.net_read_buffer_size", "32768",PHP_INI_ALL, OnUpdateLong, net_read_buffer_size, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.net_read_timeout", "86400",PHP_INI_ALL, OnUpdateLong, net_read_timeout, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.log_mask", "0", PHP_INI_ALL, OnUpdateLong, log_mask, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.mempool_default_size","16000", PHP_INI_ALL, OnUpdateLong, mempool_default_size, zend_mysqlnd_globals, mysqlnd_globals)
STD_PHP_INI_ENTRY("mysqlnd.sha256_server_public_key",NULL, PHP_INI_PERDIR, OnUpdateString, sha256_server_public_key, zend_mysqlnd_globals, mysqlnd_globals)
PHP_INI_END()
/* }}} */
/* {{{ PHP_MINIT_FUNCTION */
static PHP_MINIT_FUNCTION(mysqlnd)
{
REGISTER_INI_ENTRIES();
mysqlnd_library_init();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION */
static PHP_MSHUTDOWN_FUNCTION(mysqlnd)
{
mysqlnd_library_end();
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
#if PHP_DEBUG
/* {{{ PHP_RINIT_FUNCTION */
static PHP_RINIT_FUNCTION(mysqlnd)
{
if (MYSQLND_G(debug)) {
struct st_mysqlnd_plugin_trace_log * trace_log_plugin = mysqlnd_plugin_find("debug_trace");
MYSQLND_G(dbg) = NULL;
if (trace_log_plugin) {
MYSQLND_DEBUG * dbg = trace_log_plugin->methods.trace_instance_init(mysqlnd_debug_std_no_trace_funcs);
MYSQLND_DEBUG * trace_alloc = trace_log_plugin->methods.trace_instance_init(NULL);
if (!dbg || !trace_alloc) {
return FAILURE;
}
dbg->m->set_mode(dbg, MYSQLND_G(debug));
trace_alloc->m->set_mode(trace_alloc, MYSQLND_G(trace_alloc_settings));
MYSQLND_G(dbg) = dbg;
MYSQLND_G(trace_alloc) = trace_alloc;
}
}
return SUCCESS;
}
/* }}} */
#endif
#if PHP_DEBUG
/* {{{ PHP_RSHUTDOWN_FUNCTION */
static PHP_RSHUTDOWN_FUNCTION(mysqlnd)
{
MYSQLND_DEBUG * dbg = MYSQLND_G(dbg);
MYSQLND_DEBUG * trace_alloc = MYSQLND_G(trace_alloc);
DBG_ENTER("RSHUTDOWN");
if (dbg) {
dbg->m->close(dbg);
dbg->m->free_handle(dbg);
MYSQLND_G(dbg) = NULL;
}
if (trace_alloc) {
trace_alloc->m->close(trace_alloc);
trace_alloc->m->free_handle(trace_alloc);
MYSQLND_G(trace_alloc) = NULL;
}
return SUCCESS;
}
/* }}} */
#endif
static const zend_module_dep mysqlnd_deps[] = {
ZEND_MOD_REQUIRED("standard")
ZEND_MOD_END
};
/* {{{ mysqlnd_module_entry */
zend_module_entry mysqlnd_module_entry = {
STANDARD_MODULE_HEADER_EX,
NULL,
mysqlnd_deps,
"mysqlnd",
NULL,
PHP_MINIT(mysqlnd),
PHP_MSHUTDOWN(mysqlnd),
#if PHP_DEBUG
PHP_RINIT(mysqlnd),
#else
NULL,
#endif
#if PHP_DEBUG
PHP_RSHUTDOWN(mysqlnd),
#else
NULL,
#endif
PHP_MINFO(mysqlnd),
PHP_MYSQLND_VERSION,
PHP_MODULE_GLOBALS(mysqlnd),
PHP_GINIT(mysqlnd),
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
/* {{{ COMPILE_DL_MYSQLND */
#ifdef COMPILE_DL_MYSQLND
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(mysqlnd)
#endif
/* }}} */
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