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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, 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()
#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)
#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, on, arginfo_swoole_mysql_on, ZEND_ACC_PUBLIC)
PHP_FE_END
};
static int mysql_request(swString *sql, swString *buffer);
static int mysql_handshake(mysql_connector *connector, char *buf, int len);
static int mysql_get_result(mysql_connector *connector, char *buf, int len);
static int mysql_get_charset(char *name);
static void mysql_client_free(mysql_client *client, zval* zobject);
static void mysql_client_free(mysql_client *client, zval* zobject)
{
//close the connection
client->cli->close(client->cli);
//release client object memory
swClient_free(client->cli);
efree(client->cli);
client->cli = NULL;
}
#ifdef SW_MYSQL_DEBUG
static void mysql_client_info(mysql_client *client);
static void mysql_column_info(mysql_field *field);
#endif
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);
static swString *mysql_request_buffer = NULL;
static int isset_event_callback = 0;
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");
}
static 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);
}
static 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;
}
static 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
}
*/
static 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);
//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;
//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_response(mysql_client *client)
{
swString *buffer = client->buffer;
char *p = buffer->str + buffer->offset;
int ret;
char nul;
int n_buf = buffer->length - buffer->offset;
while (n_buf > 0)
{
switch (client->state)
{
case SW_MYSQL_STATE_READ_START:
if (buffer->length - buffer->offset < 5)
{
client->response.wait_recv = 1;
return SW_ERR;
}
client->response.packet_length = mysql_uint3korr(p);
client->response.packet_number = p[3];
p += 4;
n_buf -= 4;
if (n_buf < client->response.packet_length)
{
client->response.wait_recv = 1;
return SW_ERR;
}
client->response.response_type = p[0];
p ++;
n_buf --;
/* error */
if (client->response.response_type == 0xff)
{
client->response.error_code = mysql_uint2korr(p);
/* status flag 1byte (#), skip.. */
memcpy(client->response.status_msg, p + 3, 5);
client->response.server_msg = p + 8;
/**
* int<1> header [ff] header of the ERR packet
* int<2> error_code error-code
* if capabilities & CLIENT_PROTOCOL_41 {
* string[1] sql_state_marker # marker of the SQL State
* string[5] sql_state SQL State
* }
*/
client->response.l_server_msg = client->response.packet_length - 9;
client->state = SW_MYSQL_STATE_READ_END;
return SW_OK;
}
/* eof */
else if (client->response.response_type == 0xfe)
{
client->response.warnings = mysql_uint2korr(p);
client->response.status_code = mysql_uint2korr(p + 2);
client->state = SW_MYSQL_STATE_READ_END;
return SW_OK;
}
/* ok */
else if (client->response.response_type == 0)
{
/* affected rows */
ret = mysql_length_coded_binary(p, (ulong_t *) &client->response.affected_rows, &nul, n_buf);
n_buf -= ret;
p += ret;
/* insert id */
ret = mysql_length_coded_binary(p, (ulong_t *) &client->response.insert_id, &nul, n_buf);
n_buf -= ret;
p += ret;
/* server status */
client->response.status_code = mysql_uint2korr(p);
n_buf -= 2;
p += 2;
/* server warnings */
client->response.warnings = mysql_uint2korr(p);
client->state = SW_MYSQL_STATE_READ_END;
return SW_OK;
}
/* result set */
else
{
//Protocol::LengthEncodedInteger
ret = mysql_length_coded_binary(p - 1, (ulong_t *) &client->response.num_column, &nul, n_buf + 1);
if (ret < 0)
{
return SW_ERR;
}
client->buffer->offset += (4 + ret);
client->response.columns = ecalloc(client->response.num_column, sizeof(mysql_field));
client->state = SW_MYSQL_STATE_READ_FIELD;
break;
}
case SW_MYSQL_STATE_READ_FIELD:
if (mysql_read_columns(client) < 0)
{
return SW_ERR;
}
else
{
client->state = SW_MYSQL_STATE_READ_ROW;
break;
}
case SW_MYSQL_STATE_READ_ROW:
if (mysql_read_rows(client) < 0)
{
return SW_ERR;
}
else
{
client->state = SW_MYSQL_STATE_READ_END;
return SW_OK;
}
default:
return SW_ERR;
}
}
return SW_OK;
}
#ifdef SW_MYSQL_DEBUG
static void mysql_client_info(mysql_client *client)
{
printf("\n"SW_START_LINE"\nmysql_client\nbuffer->offset=%ld\nbuffer->length=%ld\nstatus=%d\n"
"packet_length=%d\npacket_number=%d\n"
"insert_id=%d\naffected_rows=%d\n"
"warnings=%d\n"SW_END_LINE, client->buffer->offset, client->buffer->length, client->response.status_code,
client->response.packet_length, client->response.packet_number,
client->response.insert_id, client->response.affected_rows,
client->response.warnings);
int i;
if (client->response.num_column)
{
for (i = 0; i < client->response.num_column; i++)
{
mysql_column_info(&client->response.columns[i]);
}
}
}
static void mysql_column_info(mysql_field *field)
{
printf("\n"SW_START_LINE"\nname=%s, table=%s, db=%s\n"
"name_length=%d, table_length=%d, db_length=%d\n"
"catalog=%s, default_value=%s\n"
"length=%ld, type=%d\n"SW_END_LINE,
field->name, field->table, field->db,
field->name_length, field->table_length, field->db_length,
field->catalog, field->def,
field->length, field->type
);
}
#endif
static PHP_METHOD(swoole_mysql, __construct)
{
if (!mysql_request_buffer)
{
mysql_request_buffer = swString_new(SW_MYSQL_QUERY_INIT_SIZE);
if (!mysql_request_buffer)
{
swoole_php_fatal_error(E_ERROR, "[1] swString_new(%d) failed.", SW_HTTP_RESPONSE_INIT_SIZE);
RETURN_FALSE;
}
}
mysql_client *client = emalloc(sizeof(mysql_client));
bzero(client, sizeof(mysql_client));
swoole_set_object(getThis(), client);
}
static PHP_METHOD(swoole_mysql, connect)
{
zval *server_info;
zval *callback;
char buf[2048];
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "az", &server_info, &callback) == FAILURE)
{
RETURN_FALSE;
}
php_swoole_array_separate(server_info);
HashTable *_ht = Z_ARRVAL_P(server_info);
zval *value;
mysql_client *client = swoole_get_object(getThis());
mysql_connector *connector = &client->connector;
if (php_swoole_array_get_value(_ht, "host", value))
{
convert_to_string(value);
connector->host = Z_STRVAL_P(value);
connector->host_len = Z_STRLEN_P(value);
}
else
{
zend_throw_exception(swoole_mysql_exception_class_entry_ptr, "HOST parameter is required.", 11 TSRMLS_CC);
RETURN_FALSE;
}
if (php_swoole_array_get_value(_ht, "port", value))
{
convert_to_long(value);
connector->port = Z_LVAL_P(value);
}
else
{
connector->port = SW_MYSQL_DEFAULT_PORT;
}
if (php_swoole_array_get_value(_ht, "user", value))
{
convert_to_string(value);
connector->user = Z_STRVAL_P(value);
connector->user_len = Z_STRLEN_P(value);
}
else
{
zend_throw_exception(swoole_mysql_exception_class_entry_ptr, "USER parameter is required.", 11 TSRMLS_CC);
RETURN_FALSE;
}
if (php_swoole_array_get_value(_ht, "password", value))
{
convert_to_string(value);
connector->password = Z_STRVAL_P(value);
connector->password_len = Z_STRLEN_P(value);
}
else
{
zend_throw_exception(swoole_mysql_exception_class_entry_ptr, "PASSWORD parameter is required.", 11 TSRMLS_CC);
RETURN_FALSE;
}
if (php_swoole_array_get_value(_ht, "database", value))
{
convert_to_string(value);
connector->database = Z_STRVAL_P(value);
connector->database_len = Z_STRLEN_P(value);
}
else
{
zend_throw_exception(swoole_mysql_exception_class_entry_ptr, "DATABASE parameter is required.", 11 TSRMLS_CC);
RETURN_FALSE;
}
if (php_swoole_array_get_value(_ht, "timeout", value))
{
convert_to_double(value);
connector->timeout = Z_DVAL_P(value);
}
else
{
connector->timeout = SW_MYSQL_CONNECT_TIMEOUT;
}
if (php_swoole_array_get_value(_ht, "charset", value))
{
convert_to_string(value);
connector->character_set = mysql_get_charset(Z_STRVAL_P(value));
if (connector->character_set < 0)
{
snprintf(buf, sizeof(buf), "unknown charset [%s].", Z_STRVAL_P(value));
zend_throw_exception(swoole_mysql_exception_class_entry_ptr, buf, 11 TSRMLS_CC);
RETURN_FALSE;
}
}
//use the server default charset.
else
{
connector->character_set = 0;
}
swClient *cli = emalloc(sizeof(swClient));
int type = SW_SOCK_TCP;
if (strncasecmp(connector->host, ZEND_STRL("unix:/")) == 0)
{
connector->host = connector->host + 5;
connector->host_len = connector->host_len - 5;
type = SW_SOCK_UNIX_STREAM;
}
else if (strchr(connector->host, ':'))
{
type = SW_SOCK_TCP6;
}
php_swoole_check_reactor();
if (!isset_event_callback)
{
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_MYSQL | SW_EVENT_READ, swoole_mysql_onRead);
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_MYSQL | SW_EVENT_WRITE, swoole_mysql_onWrite);
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_MYSQL | SW_EVENT_ERROR, swoole_mysql_onError);
}
//create socket
if (swClient_create(cli, type, 0) < 0)
{
zend_throw_exception(swoole_mysql_exception_class_entry_ptr, "swClient_create failed.", 1 TSRMLS_CC);
RETURN_FALSE;
}
//tcp nodelay
if (type != SW_SOCK_UNIX_STREAM)
{
int tcp_nodelay = 1;
if (setsockopt(cli->socket->fd, IPPROTO_TCP, TCP_NODELAY, (const void *) &tcp_nodelay, sizeof(int)) == -1)
{
swoole_php_sys_error(E_WARNING, "setsockopt(%d, IPPROTO_TCP, TCP_NODELAY) failed.", cli->socket->fd);
}
}
//connect to mysql server
int ret = cli->connect(cli, connector->host, connector->port, connector->timeout, 1);
if ((ret < 0 && errno == EINPROGRESS) || ret == 0)
{
if (SwooleG.main_reactor->add(SwooleG.main_reactor, cli->socket->fd, PHP_SWOOLE_FD_MYSQL | SW_EVENT_WRITE) < 0)
{
RETURN_FALSE;
}
}
else
{
snprintf(buf, sizeof(buf), "connect to mysql server[%s:%d] failed.", connector->host, connector->port);
zend_throw_exception(swoole_mysql_exception_class_entry_ptr, buf, 2 TSRMLS_CC);
RETURN_FALSE;
}
zend_update_property(swoole_mysql_class_entry_ptr, getThis(), ZEND_STRL("onConnect"), callback TSRMLS_CC);
zend_update_property(swoole_mysql_class_entry_ptr, getThis(), ZEND_STRL("serverInfo"), server_info TSRMLS_CC);
zend_update_property_long(swoole_mysql_class_entry_ptr, getThis(), ZEND_STRL("sock"), cli->socket->fd TSRMLS_CC);
client->buffer = swString_new(SW_BUFFER_SIZE_BIG);
client->fd = cli->socket->fd;
client->object = getThis();
client->cli = cli;
sw_copy_to_stack(client->object, client->_object);
sw_zval_add_ref(&client->object);
sw_zval_ptr_dtor(&server_info);
swConnection *_socket = swReactor_get(SwooleG.main_reactor, cli->socket->fd);
_socket->object = client;
_socket->active = 0;
RETURN_TRUE;
}
static PHP_METHOD(swoole_mysql, query)
{
zval *callback;
swString sql;
bzero(&sql, sizeof(sql));
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz", &sql.str, &sql.length, &callback) == FAILURE)
{
return;
}
if (sql.length <= 0)
{
swoole_php_fatal_error(E_WARNING, "Query is empty.");
RETURN_FALSE;
}
mysql_client *client = swoole_get_object(getThis());
if (!client)
{
swoole_php_fatal_error(E_WARNING, "object is not instanceof swoole_mysql.");
RETURN_FALSE;
}
if (!client->cli)
{
swoole_php_fatal_error(E_WARNING, "mysql connection#%d is closed.", client->fd);
RETURN_FALSE;
}
if (client->state != SW_MYSQL_STATE_QUERY)
{
swoole_php_fatal_error(E_WARNING, "mysql client is waiting response, cannot send new sql query.");
RETURN_FALSE;
}
sw_zval_add_ref(&callback);
client->callback = sw_zval_dup(callback);
swString_clear(mysql_request_buffer);
if (mysql_request(&sql, mysql_request_buffer) < 0)
{
RETURN_FALSE;
}
//send query
if (SwooleG.main_reactor->write(SwooleG.main_reactor, client->fd, mysql_request_buffer->str, mysql_request_buffer->length) < 0)
{
//connection is closed
if (swConnection_error(errno) == SW_CLOSE)
{
zend_update_property_bool(swoole_mysql_class_entry_ptr, getThis(), ZEND_STRL("connected"), 0 TSRMLS_CC);
zend_update_property_bool(swoole_mysql_class_entry_ptr, getThis(), ZEND_STRL("errno"), 2006 TSRMLS_CC);
}
RETURN_FALSE;
}
else
{
client->state = SW_MYSQL_STATE_READ_START;
RETURN_TRUE;
}
}
static PHP_METHOD(swoole_mysql, __destruct)
{
mysql_client *client = swoole_get_object(getThis());
if (!client)
{
return;
}
if (client->state != SW_MYSQL_STATE_CLOSED && client->cli)
{
zval *retval = NULL;
zval *zobject = getThis();