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/* This file is part of NSsync
Copyright (C) 2011 Sergey Poznyakoff
NSsync 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 3, or (at your option)
any later version.
NSsync 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 NSsync. If not, see <http://www.gnu.org/licenses/>. */
#include "nssync.h"
char *sql_config_file;
char *sql_config_group;
char *database_name;
char *sql_host;
char *sql_socket;
char *sql_user;
char *sql_password;
char *sql_cacert;
int sql_port;
MYSQL mysql;
void
sql_connect()
{
mysql_init(&mysql);
if (sql_config_file)
mysql_options(&mysql, MYSQL_READ_DEFAULT_FILE,
sql_config_file);
if (sql_config_group)
mysql_options(&mysql, MYSQL_READ_DEFAULT_GROUP,
sql_config_group);
if (sql_cacert)
mysql_ssl_set(&mysql, NULL, NULL, sql_cacert, NULL, NULL);
if (!mysql_real_connect(&mysql, sql_host, sql_user,
sql_password, database_name, sql_port,
sql_socket, CLIENT_MULTI_RESULTS)) {
error("failed to connect to database: %s",
mysql_error(&mysql));
exit(EX_UNAVAILABLE);
}
atexit(sql_disconnect);
}
void
sql_disconnect()
{
mysql_close(&mysql);
}
int
sql_do_query(const char *query,
int (*fun)(MYSQL_ROW, unsigned, void*), void *data)
{
if (mysql_query(&mysql, query)) {
error("%s", mysql_error(&mysql));
error("in query: %s", query);
return 1;
}
do {
MYSQL_ROW row;
MYSQL_RES *res;
unsigned n;
res = mysql_store_result(&mysql);
if (!res) {
error("cannot get result: %s", mysql_error(&mysql));
error("in query: %s", query);
return 1;
}
n = mysql_num_fields(res);
while (row = mysql_fetch_row(res))
if (fun(row, n, data))
break;
mysql_free_result(res);
} while (mysql_next_result(&mysql) == 0);
return 0;
}
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