Monday, November 2, 2009

super-smack compiling error on amd64

make all-recursive
make[1]: Entering directory `/db/download/benchmarkTools/super-smack-1.3'
Making all in src
make[2]: Entering directory `/db/download/benchmarkTools/super-smack-1.3/src'
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c super-smack.cc
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c client.cc
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c engines.cc
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c die.cc
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c dictionary.cc
bison -y -d super-smack-yacc.yy && mv y.tab.c super-smack-yacc.cc
if test -f y.tab.h; then \
if cmp -s y.tab.h super-smack-yacc.h; then rm -f y.tab.h; else mv y.tab.h super-smack-yacc.h; fi; \
else :; fi
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c super-smack-yacc.cc
flex super-smack-lex.ll && mv lex.yy.c super-smack-lex.cc
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c super-smack-lex.cc
g++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/mysql -g -O2 -c query.cc
query.cc: In member function 'void Query_report::fd_send(int)':
query.cc:200: error: cast from 'char*' to 'unsigned int' loses precision
query.cc:200: error: cast from 'char*' to 'unsigned int' loses precision
query.cc:219: error: cast from 'char*' to 'unsigned int' loses precision
query.cc:219: error: cast from 'char*' to 'unsigned int' loses precision
make[2]: *** [query.o] Error 1
make[2]: Leaving directory `/db/download/benchmarkTools/super-smack-1.3/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/db/download/benchmarkTools/super-smack-1.3'
make: *** [all-recursive-am] Error 2


modify src/query.cc according to gcc-lib and linux kernel version

http://forum.percona.com/index.php/t/706/

this worked for me.

copy and save query.cc

#####################################################
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB

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; either version 2 of the License, or
(at your option) any later version.

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 */

#include "../config.h"

#include
#include
#include
#include
#include
#include

#include "query.h"
#include "die.h"
#include "client.h"

#define MAX_REPORT_LEN 1024
#define MAX_QUERY 8192


void Query::print()
{
cout << "Query:" << "query=" << query << ",name=" << name <<
",has_result_set=" << has_result_set << ",type_name=" <<
type_name << ",parsed=" << parsed << endl;
}

void Query_type_report::update(int num_queries, int max_q_time, int min_q_time)
{
this->num_queries += num_queries;
if(max_time < max_q_time) max_time = max_q_time;
if(min_time > min_q_time) min_time = min_q_time;
}

void Query_type_report::update(int q_time)
{
if(num_queries)
min_time = max_time = q_time;
else
{
if(min_time > q_time) min_time = q_time;
if(max_time < q_time) max_time = q_time;
}

num_queries++;
}

void Query_type_report::print(int t_s, int t_us)
{
char q_per_s[128];
if(t_s == 0 && t_us == 0)
strcpy(q_per_s, "n/a");
else
snprintf(q_per_s, sizeof(q_per_s), "%.2f", (float)num_queries/
(float)(t_s + (float)t_us/1000000.0));

cout << num_queries << "\t" << max_time << "\t" << min_time <<
"\t" << q_per_s << endl;
}

void Query_report::update(const char* type_name, int q_time)
{
Query_type_report *qtr = type_reports[type_name];
if(qtr)
{
qtr->update(q_time);
}
}

void Query_charge::fire(Client* cli)
{
int i;
for(i = 0; i < num_shots; i++)
{
struct timeval start, end;
gettimeofday(&start, NULL);

if(query.parsed)
cli->safe_parsed_query(query.query.c_str(), MAX_QUERY, 1);
else
cli->safe_query(query.query.c_str(), 1);

if(query.has_result_set)
cli->lose_result();

gettimeofday(&end, NULL);
int q_time = (end.tv_sec - start.tv_sec)*1000 +
(end.tv_usec - start.tv_usec)/1000;
cli->qb->update_report(query.type_name, q_time);
}
}

void Query_report::print()
{
//flock(1, LOCK_EX); // lock stdout so that we won't have a conflict from
fcntl(1, F_SETLK, F_WRLCK);
// another client
cout << "Query_type\tnum_queries\tmax_time\tmin_time\tq_per_s" << endl;

map >::iterator i =
type_reports.begin();

if(type_reports.size())
while(i != type_reports.end())
{
Query_type_report *qtr = (*i).second;
if(qtr)
{
cout << (*i).first << "\t" ;
qtr->print(end.tv_sec - start.tv_sec,
end.tv_usec - start.tv_usec );
}
else
die(0, "Internal error: NULL query type report, %d report types",
type_reports.size());
i++;
}
fcntl(1, F_UNLCK, F_WRLCK);
//flock(1, LOCK_UN);
}

void Query_report::start_clock()
{
gettimeofday(&start, NULL);
}

void Query_report::stop_clock()
{
gettimeofday(&end, NULL);
}


void Query_report::update_from_fd(int fd)
{
char buf[MAX_REPORT_LEN];
int q_type_len, data_len, bytes_to_read, num_recs;

if((data_len = read(fd, buf, 1)) < 0)
die(1, "error on read() in update_from_fd()");
if(data_len == 0) return;

num_recs = (int)(*(unsigned char*)buf);
int i;

for(i = 0; i < num_recs; i++)
{
if((data_len = read(fd, buf, 1)) < 0)
die(1, "error on read() in update_from_fd()");
if(data_len == 0) return;
q_type_len = (int) (*(unsigned char*)buf);
bytes_to_read = q_type_len + 3 * sizeof(int);
if((data_len = read(fd, buf, bytes_to_read)) < 0)
die(1, "error on read() in update_from_fd():");

if(data_len < bytes_to_read)
die(1, "incomplete read in update_from_fd(), fix it some day");

char* read_q_type = buf;
// watch this cool hack, moving them, bytes around!
int *p_read_num_queries = (int*)(buf + q_type_len),
*read_max_q_time, *read_min_q_time;
read_max_q_time = p_read_num_queries + 1;
read_min_q_time = read_max_q_time + 1;
int read_num_queries = *p_read_num_queries;
// now that we've save num_queries, it is safe to slap \0
*p_read_num_queries = 0; // 4 bytes at once is OK, even faster
Query_type_report *q = type_reports[read_q_type];
if(q)
q->update(read_num_queries, *read_max_q_time, *read_min_q_time);
else
die(0, "Internal error, invalid q_type '%s'", read_q_type);
}
}

void Query_report::fd_send(int fd)
{
map >::iterator i =
type_reports.begin();
char buf[MAX_REPORT_LEN];
long len = 0; int num_recs = 0;
char* p = (char*)buf + 1, *p_end = (char*)buf+sizeof(buf);

while(i != type_reports.end())
{
string s((*i).first);
long str_len = (*i).first.length();
if((long)p + str_len + 3 *sizeof(int) < (long)p_end )
{
*p++ = (char) str_len;
const char* q_type_name = s.c_str();
memcpy(p,q_type_name , str_len);
p += str_len;
memcpy(p, &((*i).second->num_queries), sizeof(int));
p += sizeof(int);
memcpy(p, &((*i).second->max_time), sizeof(int));
p += sizeof(int);
memcpy(p, &((*i).second->min_time), sizeof(int));
p += sizeof(int);
i++;
num_recs++;
}
else
die(0, "report buffer overflow -- too many query types");
}

len = (long)p - (long)buf;
*(buf) = num_recs;

if(write(fd, buf, len) != len)
die(1, "write error in fd_send:");
}

Query_barrel::~Query_barrel()
{
map >::iterator i =
qr.type_reports.begin();

while(i != qr.type_reports.end())
{
delete (*i).second;
i++;
}

int j;
for(j = 0; j < actions.size(); j++)
delete actions[j];
}
###########################################################

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