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spd_db_handlersocket.cc
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spd_db_handlersocket.cc
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/* Copyright (C) 2012-2019 Kentoku Shiba
Copyright (C) 2019 MariaDB corp
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#define MYSQL_SERVER 1
#include <my_global.h>
#include "mysql_version.h"
#include "spd_environ.h"
#if MYSQL_VERSION_ID < 50500
#include "mysql_priv.h"
#include <mysql/plugin.h>
#else
#include "sql_priv.h"
#include "probes_mysql.h"
#include "sql_analyse.h"
#endif
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
#include "spd_err.h"
#include "spd_param.h"
#include "spd_db_include.h"
#include "spd_include.h"
#include "spd_db_handlersocket.h"
#include "ha_spider.h"
#include "spd_db_conn.h"
#include "spd_trx.h"
#include "spd_conn.h"
#include "spd_malloc.h"
extern handlerton *spider_hton_ptr;
extern HASH spider_open_connections;
extern HASH spider_ipport_conns;
extern SPIDER_DBTON spider_dbton[SPIDER_DBTON_SIZE];
extern const char spider_dig_upper[];
#define SPIDER_SQL_INTERVAL_STR " + interval "
#define SPIDER_SQL_INTERVAL_LEN (sizeof(SPIDER_SQL_INTERVAL_STR) - 1)
#define SPIDER_SQL_NEGINTERVAL_STR " - interval "
#define SPIDER_SQL_NEGINTERVAL_LEN (sizeof(SPIDER_SQL_NEGINTERVAL_STR) - 1)
#define SPIDER_SQL_NAME_QUOTE_STR ""
#define SPIDER_SQL_NAME_QUOTE_LEN (sizeof(SPIDER_SQL_NAME_QUOTE_STR) - 1)
static const char *name_quote_str = SPIDER_SQL_NAME_QUOTE_STR;
#define SPIDER_SQL_TYPE_FULL_HS (SPIDER_SQL_TYPE_SELECT_HS | \
SPIDER_SQL_TYPE_INSERT_HS | SPIDER_SQL_TYPE_UPDATE_HS | \
SPIDER_SQL_TYPE_DELETE_HS | SPIDER_SQL_TYPE_OTHER_HS)
static uchar SPIDER_SQL_LINESTRING_HEAD_STR[] =
{0x00,0x00,0x00,0x00,0x01,0x02,0x00,0x00,0x00,0x02,0x00,0x00,0x00};
#define SPIDER_SQL_LINESTRING_HEAD_LEN sizeof(SPIDER_SQL_LINESTRING_HEAD_STR)
static const char *spider_db_timefunc_interval_str[] =
{
" year", " quarter", " month", " week", " day",
" hour", " minute", " second", " microsecond",
" year_month", " day_hour", " day_minute",
" day_second", " hour_minute", " hour_second",
" minute_second", " day_microsecond", " hour_microsecond",
" minute_microsecond", " second_microsecond"
};
static SPIDER_HS_STRING_REF spider_null_string_ref = SPIDER_HS_STRING_REF();
int spider_handlersocket_init()
{
DBUG_ENTER("spider_handlersocket_init");
DBUG_RETURN(0);
}
int spider_handlersocket_deinit()
{
DBUG_ENTER("spider_handlersocket_deinit");
DBUG_RETURN(0);
}
spider_db_share *spider_handlersocket_create_share(
SPIDER_SHARE *share
) {
DBUG_ENTER("spider_handlersocket_create_share");
DBUG_RETURN(new spider_handlersocket_share(share));
}
spider_db_handler *spider_handlersocket_create_handler(
ha_spider *spider,
spider_db_share *db_share
) {
DBUG_ENTER("spider_handlersocket_create_handler");
DBUG_RETURN(new spider_handlersocket_handler(spider,
(spider_handlersocket_share *) db_share));
}
SPIDER_DB_CONN *spider_handlersocket_create_conn(
SPIDER_CONN *conn
) {
DBUG_ENTER("spider_handlersocket_create_conn");
DBUG_RETURN(new spider_db_handlersocket(conn));
}
bool spider_handlersocket_support_direct_join(
) {
DBUG_ENTER("spider_handlersocket_support_direct_join");
DBUG_RETURN(FALSE);
}
spider_db_handlersocket_util spider_db_handlersocket_utility;
SPIDER_DBTON spider_dbton_handlersocket = {
0,
SPIDER_DB_WRAPPER_MYSQL,
SPIDER_DB_ACCESS_TYPE_NOSQL,
spider_handlersocket_init,
spider_handlersocket_deinit,
spider_handlersocket_create_share,
spider_handlersocket_create_handler,
NULL,
spider_handlersocket_create_conn,
NULL,
spider_handlersocket_support_direct_join,
&spider_db_handlersocket_utility,
"For communicating using the handlersocket protocol",
"0.1.0",
SPIDER_MATURITY_BETA
};
#ifndef HANDLERSOCKET_MYSQL_UTIL
spider_db_hs_string_ref_buffer::spider_db_hs_string_ref_buffer()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::spider_db_hs_string_ref_buffer");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
spider_db_hs_string_ref_buffer::~spider_db_hs_string_ref_buffer()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::~spider_db_hs_string_ref_buffer");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
int spider_db_hs_string_ref_buffer::init()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::init");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(0);
}
void spider_db_hs_string_ref_buffer::clear()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::clear");
DBUG_PRINT("info",("spider this=%p", this));
hs_conds.clear();
DBUG_VOID_RETURN;
}
int spider_db_hs_string_ref_buffer::push_back(
SPIDER_HS_STRING_REF &cond
) {
DBUG_ENTER("spider_db_hs_string_ref_buffer::push_back");
DBUG_PRINT("info",("spider this=%p", this));
hs_conds.push_back(cond);
DBUG_RETURN(0);
}
SPIDER_HS_STRING_REF *spider_db_hs_string_ref_buffer::ptr()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::ptr");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(&hs_conds[0]);
}
uint spider_db_hs_string_ref_buffer::size()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::size");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN((uint) hs_conds.size());
}
#else
spider_db_hs_string_ref_buffer::spider_db_hs_string_ref_buffer() : hs_da_init(FALSE)
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::spider_db_hs_string_ref_buffer");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
spider_db_hs_string_ref_buffer::~spider_db_hs_string_ref_buffer()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::~spider_db_hs_string_ref_buffer");
DBUG_PRINT("info",("spider this=%p", this));
if (hs_da_init)
{
spider_free_mem_calc(spider_current_trx,
hs_conds_id, hs_conds.max_element * hs_conds.size_of_element);
delete_dynamic(&hs_conds);
}
DBUG_VOID_RETURN;
}
int spider_db_hs_string_ref_buffer::init()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::init");
DBUG_PRINT("info",("spider this=%p", this));
if (!hs_da_init)
{
SPD_INIT_DYNAMIC_ARRAY2(&hs_conds, sizeof(SPIDER_HS_STRING_REF),
NULL, 16, 16, MYF(MY_WME));
spider_alloc_calc_mem_init(hs_conds, 159);
spider_alloc_calc_mem(spider_current_trx,
hs_conds, hs_conds.max_element * hs_conds.size_of_element);
hs_da_init = TRUE;
}
DBUG_RETURN(0);
}
void spider_db_hs_string_ref_buffer::clear()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::clear");
DBUG_PRINT("info",("spider this=%p", this));
hs_conds.elements = 0;
DBUG_VOID_RETURN;
}
int spider_db_hs_string_ref_buffer::push_back(
SPIDER_HS_STRING_REF &cond
) {
uint old_elements = hs_conds.max_element;
DBUG_ENTER("spider_db_hs_string_ref_buffer::push_back");
DBUG_PRINT("info",("spider this=%p", this));
if (insert_dynamic(&hs_conds, (uchar *) &cond))
DBUG_RETURN(HA_ERR_OUT_OF_MEM);
if (hs_conds.max_element > old_elements)
{
spider_alloc_calc_mem(spider_current_trx,
hs_conds,
(hs_conds.max_element - old_elements) * hs_conds.size_of_element);
}
DBUG_RETURN(0);
}
SPIDER_HS_STRING_REF *spider_db_hs_string_ref_buffer::ptr()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::ptr");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN((SPIDER_HS_STRING_REF *) hs_conds.buffer);
}
uint spider_db_hs_string_ref_buffer::size()
{
DBUG_ENTER("spider_db_hs_string_ref_buffer::size");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(hs_conds.elements);
}
#endif
spider_db_hs_str_buffer::spider_db_hs_str_buffer() : hs_da_init(FALSE)
{
DBUG_ENTER("spider_db_hs_str_buffer::spider_db_hs_str_buffer");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
spider_db_hs_str_buffer::~spider_db_hs_str_buffer()
{
DBUG_ENTER("spider_db_hs_str_buffer::~spider_db_hs_str_buffer");
DBUG_PRINT("info",("spider this=%p", this));
if (hs_da_init)
{
spider_free_mem_calc(spider_current_trx,
hs_conds_id, hs_conds.max_element * hs_conds.size_of_element);
delete_dynamic(&hs_conds);
}
DBUG_VOID_RETURN;
}
int spider_db_hs_str_buffer::init()
{
DBUG_ENTER("spider_db_hs_str_buffer::init");
DBUG_PRINT("info",("spider this=%p", this));
if (!hs_da_init)
{
SPD_INIT_DYNAMIC_ARRAY2(&hs_conds, sizeof(spider_string *),
NULL, 16, 16, MYF(MY_WME));
spider_alloc_calc_mem_init(hs_conds, 160);
spider_alloc_calc_mem(spider_current_trx,
hs_conds, hs_conds.max_element * hs_conds.size_of_element);
hs_da_init = TRUE;
}
DBUG_RETURN(0);
}
void spider_db_hs_str_buffer::clear()
{
uint i;
spider_string *element;
DBUG_ENTER("spider_db_hs_str_buffer::clear");
DBUG_PRINT("info",("spider this=%p", this));
for (i = 0; i < hs_conds.elements; i++)
{
get_dynamic(&hs_conds, (uchar *) &element, i);
element->free();
spider_free(spider_current_trx, element, MYF(0));
}
hs_conds.elements = 0;
DBUG_VOID_RETURN;
}
spider_string *spider_db_hs_str_buffer::add(
uint *strs_pos,
const char *str,
uint str_len
) {
spider_string *element;
DBUG_ENTER("spider_db_hs_str_buffer::add");
DBUG_PRINT("info",("spider this=%p", this));
if (hs_conds.elements <= *strs_pos + 1)
{
if (!(element = (spider_string *) spider_malloc(spider_current_trx, 8,
sizeof(spider_string), MYF(MY_WME | MY_ZEROFILL))))
DBUG_RETURN(NULL);
element->init_calc_mem(98);
element->set_charset(&my_charset_bin);
if ((element->reserve(str_len + 1)))
{
spider_free(spider_current_trx, element, MYF(0));
DBUG_RETURN(NULL);
}
element->q_append(str, str_len);
uint old_elements = hs_conds.max_element;
if (insert_dynamic(&hs_conds, (uchar *) &element))
{
element->free();
spider_free(spider_current_trx, element, MYF(0));
DBUG_RETURN(NULL);
}
if (hs_conds.max_element > old_elements)
{
spider_alloc_calc_mem(spider_current_trx,
hs_conds,
(hs_conds.max_element - old_elements) *
hs_conds.size_of_element);
}
} else {
element = ((spider_string **) hs_conds.buffer)[*strs_pos];
element->length(0);
if ((element->reserve(str_len + 1)))
DBUG_RETURN(NULL);
element->q_append(str, str_len);
}
(*strs_pos)++;
DBUG_RETURN(element);
}
spider_db_handlersocket_row::spider_db_handlersocket_row() :
spider_db_row(spider_dbton_handlersocket.dbton_id),
hs_row(NULL), field_count(0), row_size(0), cloned(FALSE)
{
DBUG_ENTER("spider_db_handlersocket_row::spider_db_handlersocket_row");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
spider_db_handlersocket_row::~spider_db_handlersocket_row()
{
DBUG_ENTER("spider_db_handlersocket_row::~spider_db_handlersocket_row");
DBUG_PRINT("info",("spider this=%p", this));
if (cloned)
{
spider_free(spider_current_trx, hs_row_first, MYF(0));
}
DBUG_VOID_RETURN;
}
int spider_db_handlersocket_row::store_to_field(
Field *field,
CHARSET_INFO *access_charset
) {
DBUG_ENTER("spider_db_handlersocket_row::store_to_field");
DBUG_PRINT("info",("spider this=%p", this));
if (!hs_row->begin())
{
DBUG_PRINT("info", ("spider field is null"));
field->set_null();
field->reset();
} else {
#ifndef DBUG_OFF
char buf[MAX_FIELD_WIDTH];
spider_string tmp_str(buf, MAX_FIELD_WIDTH, field->charset());
tmp_str.init_calc_mem(119);
tmp_str.length(0);
tmp_str.append(hs_row->begin(), hs_row->size(), &my_charset_bin);
DBUG_PRINT("info", ("spider val=%s", tmp_str.c_ptr_safe()));
#endif
field->set_notnull();
if (field->flags & BLOB_FLAG)
{
DBUG_PRINT("info", ("spider blob field"));
((Field_blob *)field)->set_ptr(
hs_row->size(), (uchar *) hs_row->begin());
} else
field->store(hs_row->begin(), hs_row->size(), &my_charset_bin);
}
DBUG_RETURN(0);
}
int spider_db_handlersocket_row::append_to_str(
spider_string *str
) {
DBUG_ENTER("spider_db_handlersocket_row::append_to_str");
DBUG_PRINT("info",("spider this=%p", this));
if (str->reserve(hs_row->size()))
DBUG_RETURN(HA_ERR_OUT_OF_MEM);
str->q_append(hs_row->begin(), hs_row->size());
DBUG_RETURN(0);
}
int spider_db_handlersocket_row::append_escaped_to_str(
spider_string *str,
uint dbton_id
) {
DBUG_ENTER("spider_db_handlersocket_row::append_escaped_to_str");
DBUG_PRINT("info",("spider this=%p", this));
spider_string tmp_str(hs_row->begin(), hs_row->size() + 1, &my_charset_bin);
tmp_str.init_calc_mem(172);
tmp_str.length(hs_row->size());
if (str->reserve(hs_row->size() * 2 + 2))
DBUG_RETURN(HA_ERR_OUT_OF_MEM);
spider_dbton[dbton_id].db_util->append_escaped_util(str, tmp_str.get_str());
str->mem_calc();
DBUG_RETURN(0);
}
void spider_db_handlersocket_row::first()
{
DBUG_ENTER("spider_db_handlersocket_row::first");
DBUG_PRINT("info",("spider this=%p", this));
hs_row = hs_row_first;
DBUG_VOID_RETURN;
}
void spider_db_handlersocket_row::next()
{
DBUG_ENTER("spider_db_handlersocket_row::next");
DBUG_PRINT("info",("spider this=%p", this));
hs_row++;
DBUG_VOID_RETURN;
}
bool spider_db_handlersocket_row::is_null()
{
DBUG_ENTER("spider_db_handlersocket_row::is_null");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(!hs_row->begin());
}
int spider_db_handlersocket_row::val_int()
{
DBUG_ENTER("spider_db_handlersocket_row::val_int");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(atoi(hs_row->begin()));
}
double spider_db_handlersocket_row::val_real()
{
DBUG_ENTER("spider_db_handlersocket_row::val_real");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(hs_row->begin() ? my_atof(hs_row->begin()) : 0.0);
}
my_decimal *spider_db_handlersocket_row::val_decimal(
my_decimal *decimal_value,
CHARSET_INFO *access_charset
) {
DBUG_ENTER("spider_db_handlersocket_row::val_decimal");
DBUG_PRINT("info",("spider this=%p", this));
if (!hs_row->begin())
DBUG_RETURN(NULL);
#ifdef SPIDER_HAS_DECIMAL_OPERATION_RESULTS_VALUE_TYPE
decimal_operation_results(str2my_decimal(0, hs_row->begin(), hs_row->size(),
access_charset, decimal_value), "", "");
#else
decimal_operation_results(str2my_decimal(0, hs_row->begin(), hs_row->size(),
access_charset, decimal_value));
#endif
DBUG_RETURN(decimal_value);
}
SPIDER_DB_ROW *spider_db_handlersocket_row::clone()
{
spider_db_handlersocket_row *clone_row;
char *tmp_char;
uint i;
DBUG_ENTER("spider_db_handlersocket_row::clone");
DBUG_PRINT("info",("spider this=%p", this));
if (!(clone_row = new spider_db_handlersocket_row(dbton_id)))
{
DBUG_RETURN(NULL);
}
if (!spider_bulk_malloc(spider_current_trx, 169, MYF(MY_WME),
&clone_row->hs_row, (uint) (sizeof(SPIDER_HS_STRING_REF) * field_count),
&tmp_char, (uint) (row_size),
NullS)
) {
delete clone_row;
DBUG_RETURN(NULL);
}
for (i = 0; i < field_count; i++)
{
memcpy(tmp_char, hs_row_first[i].begin(), hs_row_first[i].size());
clone_row->hs_row[i].set(tmp_char, hs_row_first[i].size());
tmp_char += hs_row_first[i].size();
}
clone_row->hs_row_first = clone_row->hs_row;
clone_row->cloned = TRUE;;
clone_row->row_size = row_size;;
DBUG_RETURN(NULL);
}
int spider_db_handlersocket_row::store_to_tmp_table(
TABLE *tmp_table,
spider_string *str
) {
uint i;
SPIDER_HS_STRING_REF *tmp_hs_row = hs_row;
DBUG_ENTER("spider_db_handlersocket_row::store_to_tmp_table");
DBUG_PRINT("info",("spider this=%p", this));
str->length(0);
for (i = 0; i < field_count; i++)
{
if (tmp_hs_row->begin())
{
if (str->reserve(tmp_hs_row->size()))
{
DBUG_RETURN(HA_ERR_OUT_OF_MEM);
}
str->q_append(tmp_hs_row->begin(), tmp_hs_row->size());
}
tmp_hs_row++;
}
tmp_table->field[0]->set_notnull();
tmp_table->field[0]->store(
(const char *) hs_row,
sizeof(SPIDER_HS_STRING_REF) * field_count, &my_charset_bin);
tmp_table->field[1]->set_notnull();
tmp_table->field[1]->store(
str->ptr(), str->length(), &my_charset_bin);
tmp_table->field[2]->set_null();
DBUG_RETURN(tmp_table->file->ha_write_row(tmp_table->record[0]));
}
uint spider_db_handlersocket_row::get_byte_size()
{
DBUG_ENTER("spider_db_handlersocket_row::get_byte_size");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(row_size);
}
spider_db_handlersocket_result_buffer::spider_db_handlersocket_result_buffer(
) : spider_db_result_buffer()
{
DBUG_ENTER("spider_db_handlersocket_result_buffer::spider_db_handlersocket_result_buffer");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
spider_db_handlersocket_result_buffer::~spider_db_handlersocket_result_buffer()
{
DBUG_ENTER(
"spider_db_handlersocket_result_buffer::~spider_db_handlersocket_result_buffer");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
void spider_db_handlersocket_result_buffer::clear()
{
DBUG_ENTER("spider_db_handlersocket_result_buffer::clear");
DBUG_PRINT("info",("spider this=%p", this));
hs_result.readbuf.clear();
DBUG_VOID_RETURN;
}
bool spider_db_handlersocket_result_buffer::check_size(
longlong size
) {
DBUG_ENTER("spider_db_handlersocket_result_buffer::check_size");
DBUG_PRINT("info",("spider this=%p", this));
if ((uint) hs_result.readbuf.real_size() > size)
{
hs_result.readbuf.real_free();
DBUG_RETURN(TRUE);
}
DBUG_RETURN(FALSE);
}
spider_db_handlersocket_result::spider_db_handlersocket_result(
SPIDER_DB_CONN *in_db_conn
) : spider_db_result(in_db_conn), row(in_db_conn->dbton_id)
{
DBUG_ENTER("spider_db_handlersocket_result::spider_db_handlersocket_result");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
spider_db_handlersocket_result::~spider_db_handlersocket_result()
{
DBUG_ENTER(
"spider_db_handlersocket_result::~spider_db_handlersocket_result");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
bool spider_db_handlersocket_result::has_result()
{
DBUG_ENTER("spider_db_handlersocket_result::has_result");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(((*hs_conn_p)->get_response_end_offset() > 0));
}
void spider_db_handlersocket_result::free_result()
{
DBUG_ENTER("spider_db_handlersocket_result::free_result");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_PRINT("info",("spider hs hs_conn=%p", hs_conn_p));
DBUG_PRINT("info",("spider hs num_req_bufd=%zu",
(*hs_conn_p)->get_num_req_bufd()));
DBUG_PRINT("info",("spider hs num_req_sent=%zu",
(*hs_conn_p)->get_num_req_sent()));
DBUG_PRINT("info",("spider hs num_req_rcvd=%zu",
(*hs_conn_p)->get_num_req_rcvd()));
DBUG_PRINT("info",("spider hs response_end_offset=%zu",
(*hs_conn_p)->get_response_end_offset()));
if ((*hs_conn_p)->get_response_end_offset() > 0)
{
(*hs_conn_p)->response_buf_remove();
if ((*hs_conn_p)->get_error_code())
{
DBUG_PRINT("info",("spider hs %d %s",
(*hs_conn_p)->get_error_code(),
(*hs_conn_p)->get_error().ptr()));
(*hs_conn_p)->write_error_to_log(__func__, __FILE__, __LINE__);
}
DBUG_PRINT("info",("spider hs num_req_bufd=%zu",
(*hs_conn_p)->get_num_req_bufd()));
DBUG_PRINT("info",("spider hs num_req_sent=%zu",
(*hs_conn_p)->get_num_req_sent()));
DBUG_PRINT("info",("spider hs num_req_rcvd=%zu",
(*hs_conn_p)->get_num_req_rcvd()));
DBUG_PRINT("info",("spider hs response_end_offset=%zu",
(*hs_conn_p)->get_response_end_offset()));
}
DBUG_VOID_RETURN;
}
SPIDER_DB_ROW *spider_db_handlersocket_result::current_row()
{
DBUG_ENTER("spider_db_handlersocket_result::current_row");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN((SPIDER_DB_ROW *) row.clone());
}
SPIDER_DB_ROW *spider_db_handlersocket_result::fetch_row()
{
DBUG_ENTER("spider_db_handlersocket_result::fetch_row");
DBUG_PRINT("info",("spider this=%p", this));
if (!(row.hs_row = (SPIDER_HS_STRING_REF *)
(*hs_conn_p)->get_next_row()))
{
store_error_num = HA_ERR_END_OF_FILE;
DBUG_RETURN(NULL);
}
row.field_count = field_count;
row.hs_row_first = row.hs_row;
row.row_size = (*hs_conn_p)->get_row_size();
DBUG_RETURN((SPIDER_DB_ROW *) &row);
}
SPIDER_DB_ROW *spider_db_handlersocket_result::fetch_row_from_result_buffer(
spider_db_result_buffer *spider_res_buf
) {
spider_db_handlersocket_result_buffer *hs_res_buf;
DBUG_ENTER("spider_db_handlersocket_result::fetch_row_from_result_buffer");
DBUG_PRINT("info",("spider this=%p", this));
hs_res_buf = (spider_db_handlersocket_result_buffer *) spider_res_buf;
if (!(row.hs_row = (SPIDER_HS_STRING_REF *)
(*hs_conn_p)->get_next_row_from_result(hs_res_buf->hs_result)))
{
store_error_num = HA_ERR_END_OF_FILE;
DBUG_RETURN(NULL);
}
row.field_count = field_count;
row.hs_row_first = row.hs_row;
row.row_size = (*hs_conn_p)->get_row_size_from_result(hs_res_buf->hs_result);
DBUG_RETURN((SPIDER_DB_ROW *) &row);
}
SPIDER_DB_ROW *spider_db_handlersocket_result::fetch_row_from_tmp_table(
TABLE *tmp_table
) {
uint i;
spider_string tmp_str1, tmp_str2;
const char *row_ptr;
SPIDER_HS_STRING_REF *tmp_hs_row;
uint field_count;
DBUG_ENTER("spider_db_handlersocket_result::fetch_row_from_tmp_table");
DBUG_PRINT("info",("spider this=%p", this));
tmp_str1.init_calc_mem(171);
tmp_str2.init_calc_mem(173);
tmp_table->field[0]->val_str(tmp_str1.get_str());
tmp_table->field[1]->val_str(tmp_str2.get_str());
tmp_str1.mem_calc();
tmp_str2.mem_calc();
row_ptr = tmp_str2.ptr();
tmp_hs_row = (SPIDER_HS_STRING_REF *) tmp_str1.ptr();
field_count = tmp_str1.length() / sizeof(SPIDER_HS_STRING_REF);
row.hs_row = tmp_hs_row;
row.field_count = field_count;
row.hs_row_first = row.hs_row;
for (i = 0; i < field_count; i++)
{
if (tmp_hs_row->begin())
{
uint length = tmp_hs_row->size();
tmp_hs_row->set(row_ptr, length);
row_ptr += length;
}
tmp_hs_row++;
}
row.row_size = row_ptr - tmp_str2.ptr();
DBUG_RETURN((SPIDER_DB_ROW *) &row);
}
int spider_db_handlersocket_result::fetch_table_status(
int mode,
ha_statistics &stat
) {
DBUG_ENTER("spider_db_handlersocket_result::fetch_table_status");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_ASSERT(0);
DBUG_RETURN(0);
}
int spider_db_handlersocket_result::fetch_table_records(
int mode,
ha_rows &records
) {
DBUG_ENTER("spider_db_handlersocket_result::fetch_table_records");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_ASSERT(0);
DBUG_RETURN(0);
}
int spider_db_handlersocket_result::fetch_table_cardinality(
int mode,
TABLE *table,
longlong *cardinality,
uchar *cardinality_upd,
int bitmap_size
) {
DBUG_ENTER("spider_db_handlersocket_result::fetch_table_cardinality");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_ASSERT(0);
DBUG_RETURN(0);
}
int spider_db_handlersocket_result::fetch_table_mon_status(
int &status
) {
DBUG_ENTER("spider_db_handlersocket_result::fetch_table_mon_status");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_ASSERT(0);
DBUG_RETURN(0);
}
longlong spider_db_handlersocket_result::num_rows()
{
DBUG_ENTER("spider_db_handlersocket_result::num_rows");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN((longlong) 0);
}
uint spider_db_handlersocket_result::num_fields()
{
DBUG_ENTER("spider_db_handlersocket_result::num_fields");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(field_count);
}
void spider_db_handlersocket_result::move_to_pos(
longlong pos
) {
DBUG_ENTER("spider_db_handlersocket_result::move_to_pos");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_ASSERT(0);
DBUG_VOID_RETURN;
}
int spider_db_handlersocket_result::get_errno()
{
DBUG_ENTER("spider_db_handlersocket_result::get_errno");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_PRINT("info",("spider store_error_num=%d", store_error_num));
DBUG_RETURN(store_error_num);
}
#ifdef SPIDER_HAS_DISCOVER_TABLE_STRUCTURE
int spider_db_handlersocket_result::fetch_columns_for_discover_table_structure(
spider_string *str,
CHARSET_INFO *access_charset
) {
DBUG_ENTER("spider_db_handlersocket_result::fetch_columns_for_discover_table_structure");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(HA_ERR_WRONG_COMMAND);
}
int spider_db_handlersocket_result::fetch_index_for_discover_table_structure(
spider_string *str,
CHARSET_INFO *access_charset
) {
DBUG_ENTER("spider_db_handlersocket_result::fetch_index_for_discover_table_structure");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(HA_ERR_WRONG_COMMAND);
}
int spider_db_handlersocket_result::fetch_table_for_discover_table_structure(
spider_string *str,
SPIDER_SHARE *spider_share,
CHARSET_INFO *access_charset
) {
DBUG_ENTER("spider_db_handlersocket_result::fetch_table_for_discover_table_structure");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_RETURN(HA_ERR_WRONG_COMMAND);
}
#endif
spider_db_handlersocket::spider_db_handlersocket(
SPIDER_CONN *conn
) : spider_db_conn(conn),
handler_open_array_inited(FALSE),
request_key_req_first(NULL),
request_key_req_last(NULL),
request_key_snd_first(NULL),
request_key_snd_last(NULL),
request_key_reuse_first(NULL),
request_key_reuse_last(NULL)
{
DBUG_ENTER("spider_db_handlersocket::spider_db_handlersocket");
DBUG_PRINT("info",("spider this=%p", this));
#ifndef HANDLERSOCKET_MYSQL_UTIL
#else
hs_conn = NULL;
#endif
DBUG_VOID_RETURN;
}
spider_db_handlersocket::~spider_db_handlersocket()
{
st_spider_db_request_key *tmp_request_key;
DBUG_ENTER("spider_db_handlersocket::~spider_db_handlersocket");
DBUG_PRINT("info",("spider this=%p", this));
if (handler_open_array_inited)
{
reset_opened_handler();
spider_free_mem_calc(spider_current_trx,
handler_open_array_id,
handler_open_array.max_element *
handler_open_array.size_of_element);
delete_dynamic(&handler_open_array);
}
while (request_key_req_first)
{
tmp_request_key = request_key_req_first->next;
spider_free(spider_current_trx, request_key_req_first, MYF(0));
request_key_req_first = tmp_request_key;
}
while (request_key_snd_first)
{
tmp_request_key = request_key_snd_first->next;
spider_free(spider_current_trx, request_key_snd_first, MYF(0));
request_key_snd_first = tmp_request_key;
}
while (request_key_reuse_first)
{
tmp_request_key = request_key_reuse_first->next;
spider_free(spider_current_trx, request_key_reuse_first, MYF(0));
request_key_reuse_first = tmp_request_key;
}
DBUG_VOID_RETURN;
}
int spider_db_handlersocket::init()
{
DBUG_ENTER("spider_db_handlersocket::init");
DBUG_PRINT("info",("spider this=%p", this));
if (
SPD_INIT_DYNAMIC_ARRAY2(&handler_open_array,
sizeof(SPIDER_LINK_FOR_HASH *), NULL, 16, 16, MYF(MY_WME))
) {
DBUG_RETURN(HA_ERR_OUT_OF_MEM);
}
spider_alloc_calc_mem_init(handler_open_array, 79);
spider_alloc_calc_mem(spider_current_trx,
handler_open_array,
handler_open_array.max_element *
handler_open_array.size_of_element);
handler_open_array_inited = TRUE;
DBUG_RETURN(0);
}
bool spider_db_handlersocket::is_connected()
{
DBUG_ENTER("spider_db_handlersocket::is_connected");
DBUG_PRINT("info",("spider this=%p", this));
#ifndef HANDLERSOCKET_MYSQL_UTIL
DBUG_RETURN(hs_conn.operator->());
#else
DBUG_RETURN(hs_conn);
#endif
}
void spider_db_handlersocket::bg_connect()
{
DBUG_ENTER("spider_db_handlersocket::bg_connect");
DBUG_PRINT("info",("spider this=%p", this));
DBUG_VOID_RETURN;
}
int spider_db_handlersocket::connect(
char *tgt_host,
char *tgt_username,
char *tgt_password,
long tgt_port,
char *tgt_socket,
char *server_name,
int connect_retry_count,
longlong connect_retry_interval
) {
DBUG_ENTER("spider_db_handlersocket::connect");
DBUG_PRINT("info",("spider this=%p", this));
SPIDER_HS_SOCKARGS sockargs;
sockargs.timeout = conn->connect_timeout;
sockargs.recv_timeout = conn->net_read_timeout;
sockargs.send_timeout = conn->net_write_timeout;
if (conn->hs_sock)
{
sockargs.family = AF_UNIX;
sockargs.set_unix_domain(conn->hs_sock);
} else {
char port_str[6];
my_sprintf(port_str, (port_str, "%05ld", conn->hs_port));
if (sockargs.resolve(conn->tgt_host, port_str) != 0)
{
my_error(ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0),
conn->tgt_host);
DBUG_RETURN(ER_CONNECT_TO_FOREIGN_DATA_SOURCE);
}
}
#ifndef HANDLERSOCKET_MYSQL_UTIL
if (!(hs_conn.operator->()))
#else
if (!(hs_conn))
#endif
{
hs_conn = SPIDER_HS_CONN_CREATE(sockargs);
} else {
hs_conn->reconnect();
spider_db_hs_request_buf_reset(conn);
}
#ifndef HANDLERSOCKET_MYSQL_UTIL
if (!(hs_conn.operator->()))
#else
if (!(hs_conn))
#endif
DBUG_RETURN(HA_ERR_OUT_OF_MEM);
while (hs_conn->get_error_code())
{
THD *thd = current_thd;
if (
!connect_retry_count ||
(thd && thd->killed)
) {
my_error(ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0),
conn->tgt_host);
DBUG_RETURN(ER_CONNECT_TO_FOREIGN_DATA_SOURCE);
}
connect_retry_count--;
my_sleep((ulong) connect_retry_interval);