mysql5/mysql-5.7.27/sql/dynamic_ids.cc

71 lines
1.8 KiB
C++

/*
Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dynamic_ids.h"
Server_ids::Server_ids()
: dynamic_ids(PSI_NOT_INSTRUMENTED)
{
}
bool Server_ids::unpack_dynamic_ids(char *param_dynamic_ids)
{
char *token= NULL, *last= NULL;
uint num_items= 0;
DBUG_ENTER("Server_ids::unpack_dynamic_ids");
token= my_strtok_r(param_dynamic_ids, " ", &last);
if (token == NULL)
DBUG_RETURN(TRUE);
num_items= atoi(token);
for (uint i=0; i < num_items; i++)
{
token= my_strtok_r(NULL, " ", &last);
if (token == NULL)
DBUG_RETURN(TRUE);
else
{
ulong val= atol(token);
dynamic_ids.insert_unique(val);
}
}
DBUG_RETURN(FALSE);
}
bool Server_ids::pack_dynamic_ids(String *buffer)
{
DBUG_ENTER("Server_ids::pack_dynamic_ids");
if (buffer->set_int(dynamic_ids.size(), FALSE, &my_charset_bin))
DBUG_RETURN(TRUE);
for (ulong i= 0;
i < dynamic_ids.size(); i++)
{
ulong s_id= dynamic_ids[i];
if (buffer->append(" ") ||
buffer->append_ulonglong(s_id))
DBUG_RETURN(TRUE);
}
DBUG_RETURN(FALSE);
}