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swoole_mysql.c
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swoole_mysql.c
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2015 The Swoole Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache 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.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| license@swoole.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
#include "swoole_mysql.h"
#ifdef SW_USE_MYSQLND
#include "ext/mysqlnd/mysqlnd.h"
#include "ext/mysqlnd/mysqlnd_charset.h"
#endif
static PHP_METHOD(swoole_mysql, __construct);
static PHP_METHOD(swoole_mysql, __destruct);
static PHP_METHOD(swoole_mysql, connect);
#ifdef SW_USE_MYSQLND
static PHP_METHOD(swoole_mysql, escape);
#endif
static PHP_METHOD(swoole_mysql, query);
static PHP_METHOD(swoole_mysql, begin);
static PHP_METHOD(swoole_mysql, commit);
static PHP_METHOD(swoole_mysql, rollback);
static PHP_METHOD(swoole_mysql, getState);
static PHP_METHOD(swoole_mysql, close);
static PHP_METHOD(swoole_mysql, on);
static zend_class_entry swoole_mysql_ce;
static zend_class_entry *swoole_mysql_class_entry_ptr;
static zend_class_entry swoole_mysql_exception_ce;
static zend_class_entry *swoole_mysql_exception_class_entry_ptr;
#define UTF8_MB4 "utf8mb4"
#define UTF8_MB3 "utf8"
typedef struct _mysql_charset
{
unsigned int nr;
const char *name;
const char *collation;
} mysql_charset;
static const mysql_charset swoole_mysql_charsets[] =
{
{ 1, "big5", "big5_chinese_ci" },
{ 3, "dec8", "dec8_swedish_ci" },
{ 4, "cp850", "cp850_general_ci" },
{ 6, "hp8", "hp8_english_ci" },
{ 7, "koi8r", "koi8r_general_ci" },
{ 8, "latin1", "latin1_swedish_ci" },
{ 5, "latin1", "latin1_german1_ci" },
{ 9, "latin2", "latin2_general_ci" },
{ 2, "latin2", "latin2_czech_cs" },
{ 10, "swe7", "swe7_swedish_ci" },
{ 11, "ascii", "ascii_general_ci" },
{ 12, "ujis", "ujis_japanese_ci" },
{ 13, "sjis", "sjis_japanese_ci" },
{ 16, "hebrew", "hebrew_general_ci" },
{ 17, "filename", "filename" },
{ 18, "tis620", "tis620_thai_ci" },
{ 19, "euckr", "euckr_korean_ci" },
{ 21, "latin2", "latin2_hungarian_ci" },
{ 27, "latin2", "latin2_croatian_ci" },
{ 22, "koi8u", "koi8u_general_ci" },
{ 24, "gb2312", "gb2312_chinese_ci" },
{ 25, "greek", "greek_general_ci" },
{ 26, "cp1250", "cp1250_general_ci" },
{ 28, "gbk", "gbk_chinese_ci" },
{ 30, "latin5", "latin5_turkish_ci" },
{ 31, "latin1", "latin1_german2_ci" },
{ 15, "latin1", "latin1_danish_ci" },
{ 32, "armscii8", "armscii8_general_ci" },
{ 33, UTF8_MB3, UTF8_MB3"_general_ci" },
{ 35, "ucs2", "ucs2_general_ci" },
{ 36, "cp866", "cp866_general_ci" },
{ 37, "keybcs2", "keybcs2_general_ci" },
{ 38, "macce", "macce_general_ci" },
{ 39, "macroman", "macroman_general_ci" },
{ 40, "cp852", "cp852_general_ci" },
{ 41, "latin7", "latin7_general_ci" },
{ 20, "latin7", "latin7_estonian_cs" },
{ 57, "cp1256", "cp1256_general_ci" },
{ 59, "cp1257", "cp1257_general_ci" },
{ 63, "binary", "binary" },
{ 97, "eucjpms", "eucjpms_japanese_ci" },
{ 29, "cp1257", "cp1257_lithuanian_ci" },
{ 31, "latin1", "latin1_german2_ci" },
{ 34, "cp1250", "cp1250_czech_cs" },
{ 42, "latin7", "latin7_general_cs" },
{ 43, "macce", "macce_bin" },
{ 44, "cp1250", "cp1250_croatian_ci" },
{ 45, UTF8_MB4, UTF8_MB4"_general_ci" },
{ 46, UTF8_MB4, UTF8_MB4"_bin" },
{ 47, "latin1", "latin1_bin" },
{ 48, "latin1", "latin1_general_ci" },
{ 49, "latin1", "latin1_general_cs" },
{ 51, "cp1251", "cp1251_general_ci" },
{ 14, "cp1251", "cp1251_bulgarian_ci" },
{ 23, "cp1251", "cp1251_ukrainian_ci" },
{ 50, "cp1251", "cp1251_bin" },
{ 52, "cp1251", "cp1251_general_cs" },
{ 53, "macroman", "macroman_bin" },
{ 54, "utf16", "utf16_general_ci" },
{ 55, "utf16", "utf16_bin" },
{ 56, "utf16le", "utf16le_general_ci" },
{ 58, "cp1257", "cp1257_bin" },
{ 60, "utf32", "utf32_general_ci" },
{ 61, "utf32", "utf32_bin" },
{ 62, "utf16le", "utf16le_bin" },
{ 64, "armscii8", "armscii8_bin" },
{ 65, "ascii", "ascii_bin" },
{ 66, "cp1250", "cp1250_bin" },
{ 67, "cp1256", "cp1256_bin" },
{ 68, "cp866", "cp866_bin" },
{ 69, "dec8", "dec8_bin" },
{ 70, "greek", "greek_bin" },
{ 71, "hebrew", "hebrew_bin" },
{ 72, "hp8", "hp8_bin" },
{ 73, "keybcs2", "keybcs2_bin" },
{ 74, "koi8r", "koi8r_bin" },
{ 75, "koi8u", "koi8u_bin" },
{ 77, "latin2", "latin2_bin" },
{ 78, "latin5", "latin5_bin" },
{ 79, "latin7", "latin7_bin" },
{ 80, "cp850", "cp850_bin" },
{ 81, "cp852", "cp852_bin" },
{ 82, "swe7", "swe7_bin" },
{ 83, UTF8_MB3, UTF8_MB3"_bin" },
{ 84, "big5", "big5_bin" },
{ 85, "euckr", "euckr_bin" },
{ 86, "gb2312", "gb2312_bin" },
{ 87, "gbk", "gbk_bin" },
{ 88, "sjis", "sjis_bin" },
{ 89, "tis620", "tis620_bin" },
{ 90, "ucs2", "ucs2_bin" },
{ 91, "ujis", "ujis_bin" },
{ 92, "geostd8", "geostd8_general_ci" },
{ 93, "geostd8", "geostd8_bin" },
{ 94, "latin1", "latin1_spanish_ci" },
{ 95, "cp932", "cp932_japanese_ci" },
{ 96, "cp932", "cp932_bin" },
{ 97, "eucjpms", "eucjpms_japanese_ci" },
{ 98, "eucjpms", "eucjpms_bin" },
{ 99, "cp1250", "cp1250_polish_ci" },
{ 128, "ucs2", "ucs2_unicode_ci" },
{ 129, "ucs2", "ucs2_icelandic_ci" },
{ 130, "ucs2", "ucs2_latvian_ci" },
{ 131, "ucs2", "ucs2_romanian_ci" },
{ 132, "ucs2", "ucs2_slovenian_ci" },
{ 133, "ucs2", "ucs2_polish_ci" },
{ 134, "ucs2", "ucs2_estonian_ci" },
{ 135, "ucs2", "ucs2_spanish_ci" },
{ 136, "ucs2", "ucs2_swedish_ci" },
{ 137, "ucs2", "ucs2_turkish_ci" },
{ 138, "ucs2", "ucs2_czech_ci" },
{ 139, "ucs2", "ucs2_danish_ci" },
{ 140, "ucs2", "ucs2_lithuanian_ci" },
{ 141, "ucs2", "ucs2_slovak_ci" },
{ 142, "ucs2", "ucs2_spanish2_ci" },
{ 143, "ucs2", "ucs2_roman_ci" },
{ 144, "ucs2", "ucs2_persian_ci" },
{ 145, "ucs2", "ucs2_esperanto_ci" },
{ 146, "ucs2", "ucs2_hungarian_ci" },
{ 147, "ucs2", "ucs2_sinhala_ci" },
{ 148, "ucs2", "ucs2_german2_ci" },
{ 149, "ucs2", "ucs2_croatian_ci" },
{ 150, "ucs2", "ucs2_unicode_520_ci" },
{ 151, "ucs2", "ucs2_vietnamese_ci" },
{ 160, "utf32", "utf32_unicode_ci" },
{ 161, "utf32", "utf32_icelandic_ci" },
{ 162, "utf32", "utf32_latvian_ci" },
{ 163, "utf32", "utf32_romanian_ci" },
{ 164, "utf32", "utf32_slovenian_ci" },
{ 165, "utf32", "utf32_polish_ci" },
{ 166, "utf32", "utf32_estonian_ci" },
{ 167, "utf32", "utf32_spanish_ci" },
{ 168, "utf32", "utf32_swedish_ci" },
{ 169, "utf32", "utf32_turkish_ci" },
{ 170, "utf32", "utf32_czech_ci" },
{ 171, "utf32", "utf32_danish_ci" },
{ 172, "utf32", "utf32_lithuanian_ci" },
{ 173, "utf32", "utf32_slovak_ci" },
{ 174, "utf32", "utf32_spanish2_ci" },
{ 175, "utf32", "utf32_roman_ci" },
{ 176, "utf32", "utf32_persian_ci" },
{ 177, "utf32", "utf32_esperanto_ci" },
{ 178, "utf32", "utf32_hungarian_ci" },
{ 179, "utf32", "utf32_sinhala_ci" },
{ 180, "utf32", "utf32_german2_ci" },
{ 181, "utf32", "utf32_croatian_ci" },
{ 182, "utf32", "utf32_unicode_520_ci" },
{ 183, "utf32", "utf32_vietnamese_ci" },
{ 192, UTF8_MB3, UTF8_MB3"_unicode_ci" },
{ 193, UTF8_MB3, UTF8_MB3"_icelandic_ci" },
{ 194, UTF8_MB3, UTF8_MB3"_latvian_ci" },
{ 195, UTF8_MB3, UTF8_MB3"_romanian_ci" },
{ 196, UTF8_MB3, UTF8_MB3"_slovenian_ci" },
{ 197, UTF8_MB3, UTF8_MB3"_polish_ci" },
{ 198, UTF8_MB3, UTF8_MB3"_estonian_ci" },
{ 199, UTF8_MB3, UTF8_MB3"_spanish_ci" },
{ 200, UTF8_MB3, UTF8_MB3"_swedish_ci" },
{ 201, UTF8_MB3, UTF8_MB3"_turkish_ci" },
{ 202, UTF8_MB3, UTF8_MB3"_czech_ci" },
{ 203, UTF8_MB3, UTF8_MB3"_danish_ci" },
{ 204, UTF8_MB3, UTF8_MB3"_lithuanian_ci" },
{ 205, UTF8_MB3, UTF8_MB3"_slovak_ci" },
{ 206, UTF8_MB3, UTF8_MB3"_spanish2_ci" },
{ 207, UTF8_MB3, UTF8_MB3"_roman_ci" },
{ 208, UTF8_MB3, UTF8_MB3"_persian_ci" },
{ 209, UTF8_MB3, UTF8_MB3"_esperanto_ci" },
{ 210, UTF8_MB3, UTF8_MB3"_hungarian_ci" },
{ 211, UTF8_MB3, UTF8_MB3"_sinhala_ci" },
{ 212, UTF8_MB3, UTF8_MB3"_german2_ci" },
{ 213, UTF8_MB3, UTF8_MB3"_croatian_ci" },
{ 214, UTF8_MB3, UTF8_MB3"_unicode_520_ci" },
{ 215, UTF8_MB3, UTF8_MB3"_vietnamese_ci" },
{ 224, UTF8_MB4, UTF8_MB4"_unicode_ci" },
{ 225, UTF8_MB4, UTF8_MB4"_icelandic_ci" },
{ 226, UTF8_MB4, UTF8_MB4"_latvian_ci" },
{ 227, UTF8_MB4, UTF8_MB4"_romanian_ci" },
{ 228, UTF8_MB4, UTF8_MB4"_slovenian_ci" },
{ 229, UTF8_MB4, UTF8_MB4"_polish_ci" },
{ 230, UTF8_MB4, UTF8_MB4"_estonian_ci" },
{ 231, UTF8_MB4, UTF8_MB4"_spanish_ci" },
{ 232, UTF8_MB4, UTF8_MB4"_swedish_ci" },
{ 233, UTF8_MB4, UTF8_MB4"_turkish_ci" },
{ 234, UTF8_MB4, UTF8_MB4"_czech_ci" },
{ 235, UTF8_MB4, UTF8_MB4"_danish_ci" },
{ 236, UTF8_MB4, UTF8_MB4"_lithuanian_ci" },
{ 237, UTF8_MB4, UTF8_MB4"_slovak_ci" },
{ 238, UTF8_MB4, UTF8_MB4"_spanish2_ci" },
{ 239, UTF8_MB4, UTF8_MB4"_roman_ci" },
{ 240, UTF8_MB4, UTF8_MB4"_persian_ci" },
{ 241, UTF8_MB4, UTF8_MB4"_esperanto_ci" },
{ 242, UTF8_MB4, UTF8_MB4"_hungarian_ci" },
{ 243, UTF8_MB4, UTF8_MB4"_sinhala_ci" },
{ 244, UTF8_MB4, UTF8_MB4"_german2_ci" },
{ 245, UTF8_MB4, UTF8_MB4"_croatian_ci" },
{ 246, UTF8_MB4, UTF8_MB4"_unicode_520_ci" },
{ 247, UTF8_MB4, UTF8_MB4"_vietnamese_ci" },
{ 248, "gb18030", "gb18030_chinese_ci" },
{ 249, "gb18030", "gb18030_bin" },
{ 254, UTF8_MB3, UTF8_MB3"_general_cs" },
{ 0, NULL, NULL},
};
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_void, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_on, 0, 0, 2)
ZEND_ARG_INFO(0, event_name)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_connect, 0, 0, 2)
ZEND_ARG_ARRAY_INFO(0, server_config, 0)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_begin, 0, 0, 1)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_commit, 0, 0, 1)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_rollback, 0, 0, 1)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
#ifdef SW_USE_MYSQLND
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_escape, 0, 0, 1)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
#endif
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_mysql_query, 0, 0, 2)
ZEND_ARG_INFO(0, sql)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
static const zend_function_entry swoole_mysql_methods[] =
{
PHP_ME(swoole_mysql, __construct, arginfo_swoole_void, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
PHP_ME(swoole_mysql, __destruct, arginfo_swoole_void, ZEND_ACC_PUBLIC | ZEND_ACC_DTOR)
PHP_ME(swoole_mysql, connect, arginfo_swoole_mysql_connect, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, begin, arginfo_swoole_mysql_begin, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, commit, arginfo_swoole_mysql_commit, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, rollback, arginfo_swoole_mysql_rollback, ZEND_ACC_PUBLIC)
#ifdef SW_USE_MYSQLND
PHP_ME(swoole_mysql, escape, arginfo_swoole_mysql_escape, ZEND_ACC_PUBLIC)
#endif
PHP_ME(swoole_mysql, query, arginfo_swoole_mysql_query, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, close, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, getState, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_mysql, on, arginfo_swoole_mysql_on, ZEND_ACC_PUBLIC)
PHP_FE_END
};
static void mysql_client_free(mysql_client *client, zval* zobject);
static void mysql_columns_free(mysql_client *client);
static void mysql_client_free(mysql_client *client, zval* zobject)
{
if (client->cli->timer)
{
swTimer_del(&SwooleG.timer, client->cli->timer);
client->cli->timer = NULL;
}
//close the connection
client->cli->close(client->cli);
//release client object memory
swClient_free(client->cli);
efree(client->cli);
client->cli = NULL;
client->connected = 0;
}
static void mysql_columns_free(mysql_client *client)
{
int i;
for (i = 0; i < client->response.num_column; i++)
{
if (client->response.columns[i].buffer)
{
efree(client->response.columns[i].buffer);
client->response.columns[i].buffer = NULL;
}
}
efree(client->response.columns);
}
#ifdef SW_MYSQL_DEBUG
static void mysql_client_info(mysql_client *client);
static void mysql_column_info(mysql_field *field);
#endif
static void swoole_mysql_onTimeout(swTimer *timer, swTimer_node *tnode);
static int swoole_mysql_onRead(swReactor *reactor, swEvent *event);
static int swoole_mysql_onWrite(swReactor *reactor, swEvent *event);
static int swoole_mysql_onError(swReactor *reactor, swEvent *event);
static void swoole_mysql_onConnect(mysql_client *client TSRMLS_DC);
swString *mysql_request_buffer = NULL;
void swoole_mysql_init(int module_number TSRMLS_DC)
{
SWOOLE_INIT_CLASS_ENTRY(swoole_mysql_ce, "swoole_mysql", "Swoole\\MySQL", swoole_mysql_methods);
swoole_mysql_class_entry_ptr = zend_register_internal_class(&swoole_mysql_ce TSRMLS_CC);
SWOOLE_CLASS_ALIAS(swoole_mysql, "Swoole\\MySQL");
SWOOLE_INIT_CLASS_ENTRY(swoole_mysql_exception_ce, "swoole_mysql_exception", "Swoole\\MySQL\\Exception", NULL);
swoole_mysql_exception_class_entry_ptr = sw_zend_register_internal_class_ex(&swoole_mysql_exception_ce, zend_exception_get_default(TSRMLS_C), NULL TSRMLS_CC);
SWOOLE_CLASS_ALIAS(swoole_mysql_exception, "Swoole\\MySQL\\Exception");
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("serverInfo"), ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("sock"), ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_bool(swoole_mysql_class_entry_ptr, ZEND_STRL("connected"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_long(swoole_mysql_class_entry_ptr, ZEND_STRL("errno"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_long(swoole_mysql_class_entry_ptr, ZEND_STRL("connect_errno"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("error"), ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("connect_error"), ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("insert_id"), ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("affected_rows"), ZEND_ACC_PUBLIC TSRMLS_CC);
/**
* event callback
*/
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("onConnect"), ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_property_null(swoole_mysql_class_entry_ptr, ZEND_STRL("onClose"), ZEND_ACC_PUBLIC TSRMLS_CC);
zend_declare_class_constant_long(swoole_mysql_class_entry_ptr, SW_STRL("STATE_QUERY")-1, SW_MYSQL_STATE_QUERY TSRMLS_CC);
zend_declare_class_constant_long(swoole_mysql_class_entry_ptr, SW_STRL("STATE_READ_START")-1, SW_MYSQL_STATE_READ_START TSRMLS_CC);
zend_declare_class_constant_long(swoole_mysql_class_entry_ptr, SW_STRL("STATE_READ_FIELD ")-1, SW_MYSQL_STATE_READ_FIELD TSRMLS_CC);
zend_declare_class_constant_long(swoole_mysql_class_entry_ptr, SW_STRL("STATE_READ_ROW")-1, SW_MYSQL_STATE_READ_ROW TSRMLS_CC);
zend_declare_class_constant_long(swoole_mysql_class_entry_ptr, SW_STRL("STATE_READ_END")-1, SW_MYSQL_STATE_READ_END TSRMLS_CC);
zend_declare_class_constant_long(swoole_mysql_class_entry_ptr, SW_STRL("STATE_CLOSED")-1, SW_MYSQL_STATE_CLOSED TSRMLS_CC);
}
int mysql_request(swString *sql, swString *buffer)
{
bzero(buffer->str, 5);
//length
mysql_pack_length(sql->length + 1, buffer->str);
//command
buffer->str[4] = SW_MYSQL_COM_QUERY;
buffer->length = 5;
return swString_append(buffer, sql);
}
int mysql_prepare(swString *sql, swString *buffer)
{
bzero(buffer->str, 5);
//length
mysql_pack_length(sql->length + 1, buffer->str);
//command
buffer->str[4] = SW_MYSQL_COM_STMT_PREPARE;
buffer->length = 5;
return swString_append(buffer, sql);
}
int mysql_get_charset(char *name)
{
const mysql_charset *c = swoole_mysql_charsets;
while (c[0].nr != 0)
{
if (!strcasecmp(c->name, name))
{
return c->nr;
}
++c;
}
return -1;
}
int mysql_get_result(mysql_connector *connector, char *buf, int len)
{
char *tmp = buf;
int packet_length = mysql_uint3korr(tmp);
if (len < packet_length + 4)
{
return 0;
}
//int packet_number = tmp[3];
tmp += 4;
uint8_t opcode = *tmp;
tmp += 1;
//ERROR Packet
if (opcode == 0xff)
{
connector->error_code = *(uint16_t *) tmp;
connector->error_msg = tmp + 2;
connector->error_length = packet_length - 3;
return -1;
}
else
{
return 1;
}
}
/**
1 [0a] protocol version
string[NUL] server version
4 connection id
string[8] auth-plugin-data-part-1
1 [00] filler
2 capability flags (lower 2 bytes)
if more data in the packet:
1 character set
2 status flags
2 capability flags (upper 2 bytes)
if capabilities & CLIENT_PLUGIN_AUTH {
1 length of auth-plugin-data
} else {
1 [00]
}
string[10] reserved (all [00])
if capabilities & CLIENT_SECURE_CONNECTION {
string[$len] auth-plugin-data-part-2 ($len=MAX(13, length of auth-plugin-data - 8))
if capabilities & CLIENT_PLUGIN_AUTH {
string[NUL] auth-plugin name
}
*/
int mysql_handshake(mysql_connector *connector, char *buf, int len)
{
char *tmp = buf;
/**
* handshake request
*/
mysql_handshake_request request;
bzero(&request, sizeof(request));
request.packet_length = mysql_uint3korr(tmp);
//continue to wait for data
if (len < request.packet_length + 4)
{
return 0;
}
request.packet_number = tmp[3];
tmp += 4;
request.protocol_version = *tmp;
tmp += 1;
//ERROR Packet
if (request.protocol_version == 0xff)
{
connector->error_code = *(uint16_t *) tmp;
connector->error_msg = tmp + 2;
connector->error_length = request.packet_length - 3;
return -1;
}
//1 [0a] protocol version
request.server_version = tmp;
tmp += (strlen(request.server_version) + 1);
//4 connection id
request.connection_id = *((int *) tmp);
tmp += 4;
//string[8] auth-plugin-data-part-1
memcpy(request.auth_plugin_data, tmp, 8);
tmp += 8;
//1 [00] filler
request.filler = *tmp;
tmp += 1;
//2 capability flags (lower 2 bytes)
memcpy(((char *) (&request.capability_flags)), tmp, 2);
tmp += 2;
if (tmp - tmp < len)
{
//1 character set
request.character_set = *tmp;
tmp += 1;
//2 status flags
memcpy(&request.status_flags, tmp, 2);
tmp += 2;
//2 capability flags (upper 2 bytes)
memcpy(((char *) (&request.capability_flags) + 2), tmp, 2);
tmp += 2;
request.l_auth_plugin_data = *tmp;
tmp += 1;
memcpy(&request.reserved, tmp, sizeof(request.reserved));
tmp += sizeof(request.reserved);
if (request.capability_flags & SW_MYSQL_CLIENT_SECURE_CONNECTION)
{
int len = MAX(13, request.l_auth_plugin_data - 8);
memcpy(request.auth_plugin_data + 8, tmp, len);
tmp += len;
}
if (request.capability_flags & SW_MYSQL_CLIENT_PLUGIN_AUTH)
{
request.auth_plugin_name = tmp;
request.l_auth_plugin_name = MIN(strlen(tmp), len - (tmp - buf));
}
}
int value;
tmp = connector->buf + 4;
//capability flags, CLIENT_PROTOCOL_41 always set
value = SW_MYSQL_CLIENT_PROTOCOL_41 | SW_MYSQL_CLIENT_SECURE_CONNECTION | SW_MYSQL_CLIENT_CONNECT_WITH_DB | SW_MYSQL_CLIENT_PLUGIN_AUTH;
memcpy(tmp, &value, sizeof(value));
tmp += 4;
//max-packet size
value = 300;
memcpy(tmp, &value, sizeof(value));
tmp += 4;
//use the server character_set when the character_set is not set.
if (connector->character_set == 0)
{
connector->character_set = request.character_set;
}
//character set
*tmp = connector->character_set;
tmp += 1;
//string[23] reserved (all [0])
tmp += 23;
//string[NUL] username
memcpy(tmp, connector->user, connector->user_len);
tmp[connector->user_len] = '\0';
tmp += (connector->user_len + 1);
if (connector->password_len > 0)
{
//auth-response
char hash_0[20];
bzero(hash_0, sizeof (hash_0));
php_swoole_sha1(connector->password, connector->password_len, (uchar *) hash_0);
char hash_1[20];
bzero(hash_1, sizeof (hash_1));
php_swoole_sha1(hash_0, sizeof (hash_0), (uchar *) hash_1);
char str[40];
memcpy(str, request.auth_plugin_data, 20);
memcpy(str + 20, hash_1, 20);
char hash_2[20];
php_swoole_sha1(str, sizeof (str), (uchar *) hash_2);
char hash_3[20];
int *a = (int *) hash_2;
int *b = (int *) hash_0;
int *c = (int *) hash_3;
int i;
for (i = 0; i < 5; i++)
{
c[i] = a[i] ^ b[i];
}
*tmp = 20;
memcpy(tmp + 1, hash_3, 20);
tmp += 21;
}
else
{
*tmp = 0;
tmp++;
}
//string[NUL] database
memcpy(tmp, connector->database, connector->database_len);
tmp[connector->database_len] = '\0';
tmp += (connector->database_len + 1);
//string[NUL] auth plugin name
memcpy(tmp, request.auth_plugin_name, request.l_auth_plugin_name);
tmp[request.l_auth_plugin_name] = '\0';
tmp += (request.l_auth_plugin_name + 1);
connector->packet_length = tmp - connector->buf - 4;
mysql_pack_length(connector->packet_length, connector->buf);
connector->buf[3] = 1;
return 1;
}
static int mysql_parse_prepare_result(mysql_client *client, char *buf, size_t n_buf)
{
if (n_buf < 11)
{
return SW_ERR;
}
mysql_statement *stmt = emalloc(sizeof(mysql_statement));
stmt->id = mysql_uint4korr(buf);
buf += 4;
stmt->field_count = mysql_uint2korr(buf);
buf += 2;
stmt->unreaded_param_count = stmt->param_count = mysql_uint2korr(buf);
buf += 2;
//skip 1 byte
buf += 1;
stmt->warning_count = mysql_uint2korr(buf);
client->statement = stmt;
stmt->client = client;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "id=%d, field_count=%d, param_count=%d, warning_count=%d.", stmt->id, stmt->field_count, stmt->param_count,
stmt->warning_count);
return 11;
}
static int mysql_decode_row(mysql_client *client, char *buf, int packet_len)
{
int read_n = 0, i;
int tmp_len;
ulong_t len;
char nul;
mysql_row row;
char value_buffer[32];
bzero(&row, sizeof(row));
char *error;
//unused
//char mem;
zval *result_array = client->response.result_array;
zval *row_array = NULL;
SW_ALLOC_INIT_ZVAL(row_array);
array_init(row_array);
swTraceLog(SW_TRACE_MYSQL_CLIENT, "mysql_decode_row begin, num_column=%d, packet_len=%d.", client->response.num_column, packet_len);
for (i = 0; i < client->response.num_column; i++)
{
tmp_len = mysql_length_coded_binary(&buf[read_n], &len, &nul, packet_len - read_n);
if (tmp_len == -1)
{
return -SW_MYSQL_ERR_BAD_LCB;
}
read_n += tmp_len;
if (read_n + len > packet_len)
{
return -SW_MYSQL_ERR_LEN_OVER_BUFFER;
}
swTraceLog(SW_TRACE_MYSQL_CLIENT, "n=%d, fname=%s, name_length=%d", i, client->response.columns[i].name,
client->response.columns[i].name_length);
if (nul == 1)
{
add_assoc_null(row_array, client->response.columns[i].name);
continue;
}
int type = client->response.columns[i].type;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "value: name=%s, type=%d, value=%s, len=%ld",
client->response.columns[i].name, type, swoole_strndup(buf + read_n, len), len);
switch (type)
{
case SW_MYSQL_TYPE_NULL:
add_assoc_null(row_array, client->response.columns[i].name);
break;
/* String */
case SW_MYSQL_TYPE_TINY_BLOB:
case SW_MYSQL_TYPE_MEDIUM_BLOB:
case SW_MYSQL_TYPE_LONG_BLOB:
case SW_MYSQL_TYPE_BLOB:
case SW_MYSQL_TYPE_DECIMAL:
case SW_MYSQL_TYPE_NEWDECIMAL:
case SW_MYSQL_TYPE_BIT:
case SW_MYSQL_TYPE_STRING:
case SW_MYSQL_TYPE_VAR_STRING:
case SW_MYSQL_TYPE_VARCHAR:
case SW_MYSQL_TYPE_NEWDATE:
/* Date Time */
case SW_MYSQL_TYPE_TIME:
case SW_MYSQL_TYPE_YEAR:
case SW_MYSQL_TYPE_TIMESTAMP:
case SW_MYSQL_TYPE_DATETIME:
case SW_MYSQL_TYPE_DATE:
case SW_MYSQL_TYPE_JSON:
sw_add_assoc_stringl(row_array, client->response.columns[i].name, buf + read_n, len, 1);
break;
/* Integer */
case SW_MYSQL_TYPE_TINY:
case SW_MYSQL_TYPE_SHORT:
case SW_MYSQL_TYPE_INT24:
case SW_MYSQL_TYPE_LONG:
if(client->connector.strict_type)
{
memcpy(value_buffer, buf + read_n, len);
value_buffer[len] = 0;
row.sint = strtol(value_buffer, &error, 10);
if (*error != '\0')
{
return -SW_MYSQL_ERR_CONVLONG;
}
add_assoc_long(row_array, client->response.columns[i].name, row.sint);
}
else
{
sw_add_assoc_stringl(row_array, client->response.columns[i].name, buf + read_n, len, 1);
}
break;
case SW_MYSQL_TYPE_LONGLONG:
if(client->connector.strict_type) {
memcpy(value_buffer, buf + read_n, len);
value_buffer[len] = 0;
row.sbigint = strtoll(value_buffer, &error, 10);
if (*error != '\0') {
return -SW_MYSQL_ERR_CONVLONG;
}
add_assoc_long(row_array, client->response.columns[i].name, row.sbigint);
}
else
{
sw_add_assoc_stringl(row_array, client->response.columns[i].name, buf + read_n, len, 1);
}
break;
case SW_MYSQL_TYPE_FLOAT:
if(client->connector.strict_type) {
memcpy(value_buffer, buf + read_n, len);
value_buffer[len] = 0;
row.mfloat = strtof(value_buffer, &error);
if (*error != '\0') {
return -SW_MYSQL_ERR_CONVFLOAT;
}
add_assoc_double(row_array, client->response.columns[i].name, row.mfloat);
}
else
{
sw_add_assoc_stringl(row_array, client->response.columns[i].name, buf + read_n, len, 1);
}
break;
case SW_MYSQL_TYPE_DOUBLE:
if(client->connector.strict_type) {
memcpy(value_buffer, buf + read_n, len);
value_buffer[len] = 0;
row.mdouble = strtod(value_buffer, &error);
if (*error != '\0') {
return -SW_MYSQL_ERR_CONVDOUBLE;
}
add_assoc_double(row_array, client->response.columns[i].name, row.mdouble);
}
else
{
sw_add_assoc_stringl(row_array, client->response.columns[i].name, buf + read_n, len, 1);
}
break;
default:
swWarn("unknown field type[%d].", type);
return -1;
}
read_n += len;
}
add_next_index_zval(result_array, row_array);
#if PHP_MAJOR_VERSION > 5
if (row_array)
{
efree(row_array);
}
#endif
return read_n;
}
#define DATETIME_MAX_SIZE 20
static int mysql_decode_datetime(char *buf, char *result)
{
uint16_t y = 0;
uint8_t M = 0, d = 0, h = 0, m = 0, s = 0, n;
n = *(uint8_t *) (buf);
if (n != 0)
{
y = *(uint16_t *) (buf + 1);
M = *(uint8_t *) (buf + 3);
d = *(uint8_t *) (buf + 4);
h = *(uint8_t *) (buf + 5);
m = *(uint8_t *) (buf + 6);
s = *(uint8_t *) (buf + 7);
}
snprintf(result, DATETIME_MAX_SIZE, "%04d-%02d-%02d %02d:%02d:%02d", y, M, d, h, m, s);
swTrace("n=%d\n", n);
return n;
}
static int mysql_decode_time(char *buf, char *result)
{
uint8_t h = 0, m = 0, s = 0;
uint8_t n = *(uint8_t *) (buf);
if (n != 0)
{
h = *(uint8_t *) (buf + 6);
m = *(uint8_t *) (buf + 7);
s = *(uint8_t *) (buf + 8);
}
snprintf(result, DATETIME_MAX_SIZE, "%02d:%02d:%02d", h, m, s);
return n;
}
static int mysql_decode_date(char *buf, char *result)
{
uint8_t M = 0, d = 0, n;
uint16_t y = 0;
n = *(uint8_t *) (buf);
if (n != 0)
{
y = *(uint16_t *) (buf + 1);
M = *(uint8_t *) (buf + 3);
d = *(uint8_t *) (buf + 4);
}
snprintf(result, DATETIME_MAX_SIZE, "%04d-%02d-%02d", y, M, d);
return n;
}
static void mysql_decode_year(char *buf, char *result)
{
uint16_t y;
y = *(uint16_t *) (buf + 1);
snprintf(result, DATETIME_MAX_SIZE, "%04d", y);
}
static int mysql_decode_row_prepare(mysql_client *client, char *buf, int packet_len)
{
int read_n = 0, i;
int tmp_len;
ulong_t len = 0;
char nul;
unsigned int null_count = ((client->response.num_column + 9) / 8) + 1;
buf += null_count;
packet_len -= null_count;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "null_count=%d", null_count);
char datetime_buffer[DATETIME_MAX_SIZE];
mysql_row row;
zval *result_array = client->response.result_array;
zval *row_array = NULL;
SW_ALLOC_INIT_ZVAL(row_array);
array_init(row_array);
swTraceLog(SW_TRACE_MYSQL_CLIENT, "mysql_decode_row begin, num_column=%d, packet_len=%d.", client->response.num_column, packet_len);
for (i = 0; i < client->response.num_column; i++)
{
/* to check Null-Bitmap @see https://dev.mysql.com/doc/internals/en/null-bitmap.html */
if( ( (buf - null_count + 1)[((i+2)/8)] & (0x01 << ((i+2)%8)) ) != 0 ){
swTraceLog(SW_TRACE_MYSQL_CLIENT, "value: %s is null ,flag2", client->response.columns[i].name);
add_assoc_null(row_array, client->response.columns[i].name);
continue;
}
int type = client->response.columns[i].type;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "value: name=%s, type=%d", client->response.columns[i].name, type);
switch (type)
{
/* Date Time */
case SW_MYSQL_TYPE_TIME:
len = mysql_decode_time(buf + read_n, datetime_buffer);
sw_add_assoc_stringl(row_array, client->response.columns[i].name, datetime_buffer, 8, 1);
swTraceLog(SW_TRACE_MYSQL_CLIENT, "%s=%s", client->response.columns[i].name, datetime_buffer);
break;
case SW_MYSQL_TYPE_YEAR:
mysql_decode_year(buf + read_n, datetime_buffer);
sw_add_assoc_stringl(row_array, client->response.columns[i].name, datetime_buffer, 4, 1);
len = 3;
swTraceLog(SW_TRACE_MYSQL_CLIENT, "%s=%s", client->response.columns[i].name, datetime_buffer);
break;
case SW_MYSQL_TYPE_DATE:
len = mysql_decode_date(buf + read_n, datetime_buffer) + 1;
sw_add_assoc_stringl(row_array, client->response.columns[i].name, datetime_buffer, 10, 1);
swTraceLog(SW_TRACE_MYSQL_CLIENT, "%s=%s", client->response.columns[i].name, datetime_buffer);
break;
case SW_MYSQL_TYPE_TIMESTAMP:
case SW_MYSQL_TYPE_DATETIME:
len = mysql_decode_datetime(buf + read_n, datetime_buffer) + 1;
sw_add_assoc_stringl(row_array, client->response.columns[i].name, datetime_buffer, 19, 1);
swTraceLog(SW_TRACE_MYSQL_CLIENT, "%s=%s", client->response.columns[i].name, datetime_buffer);
break;
case SW_MYSQL_TYPE_NULL:
add_assoc_null(row_array, client->response.columns[i].name);
break;
/* String */
case SW_MYSQL_TYPE_TINY_BLOB:
case SW_MYSQL_TYPE_MEDIUM_BLOB:
case SW_MYSQL_TYPE_LONG_BLOB:
case SW_MYSQL_TYPE_BLOB:
case SW_MYSQL_TYPE_DECIMAL:
case SW_MYSQL_TYPE_NEWDECIMAL:
case SW_MYSQL_TYPE_BIT:
case SW_MYSQL_TYPE_JSON:
case SW_MYSQL_TYPE_STRING:
case SW_MYSQL_TYPE_VAR_STRING:
case SW_MYSQL_TYPE_VARCHAR:
case SW_MYSQL_TYPE_NEWDATE:
tmp_len = mysql_length_coded_binary(&buf[read_n], &len, &nul, packet_len - read_n);
if (tmp_len == -1)
{
return -SW_MYSQL_ERR_BAD_LCB;
}
read_n += tmp_len;
sw_add_assoc_stringl(row_array, client->response.columns[i].name, buf + read_n, len, 1);
swTraceLog(SW_TRACE_MYSQL_CLIENT, "%s=%s", client->response.columns[i].name, swoole_strndup(buf + read_n, len));
break;
/* Integer */
case SW_MYSQL_TYPE_TINY:
row.stiny = *(int8_t *) (buf + read_n);
add_assoc_long(row_array, client->response.columns[i].name, row.stiny);