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a3501369a9
MySQL plugin from Javier added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@392 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
152 lines
3.7 KiB
C
152 lines
3.7 KiB
C
/* $Id: plugin_mysql.c,v 1.1 2004/03/10 07:16:15 reinelt Exp $
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*
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* plugin for execute SQL queries into a MySQL DBSM.
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*
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* Copyright 2004 Javier Garcia <javi@gsmlandia.com>
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* Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
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*
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* This file is part of LCD4Linux.
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*
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* LCD4Linux is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* LCD4Linux is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* $Log: plugin_mysql.c,v $
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* Revision 1.1 2004/03/10 07:16:15 reinelt
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* MySQL plugin from Javier added
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*
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*/
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/* DOC:
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* To compile the plugin remember to add -lmysqlclient option into Makefile. I.E: CC = gcc -lmysqlclient
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* or run:
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* $ gcc -I/usr/include/mysql -L/usr/lib/mysql plugin_mysql.c -lmysqlclient -o plugin_mysql.o
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*
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* exported functions:
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*
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* int plugin_init_mysql (void)
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*
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* adds various functions:
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* mySQLquery(server,login,pass,database,query)
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* Returns the number of rows in a query.
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* mySQLstatus(server,login,pass)
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* Returns the current server status:
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* Uptime, Threads, Questions,Slow queries, Flush tables,...
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*
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "debug.h"
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#include "plugin.h"
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#ifdef HAVE_MYSQL_MYSQL_H
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#include <mysql/mysql.h>
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#else
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#warning mysql/mysql.h not found: plugin deactivated
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#endif
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif
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#ifdef HAVE_MYSQL_MYSQL_H
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static void my_mySQLquery (RESULT *result, RESULT *server, RESULT *login, RESULT *pass, RESULT *database, RESULT *query)
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{
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double value;
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MYSQL conex;
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MYSQL_RES *res;
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char *s=R2S(server);
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char *l=R2S(login);
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char *p=R2S(pass);
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char *db=R2S(database);
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char *q=R2S(query);
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mysql_init(&conex);
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if (!mysql_real_connect(&conex,s,l,p,db,0,NULL,0))
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{
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error( "mySQL conection error: %s",mysql_error(&conex));
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value=-1;
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}
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else
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{
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if (mysql_real_query(&conex,q,(unsigned int) strlen(q)))
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{
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error( "mySQL query error: %s",mysql_error(&conex));
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value=-2;
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}
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else
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{
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/* We don't use res=mysql_use_result(); because mysql_num_rows() will not
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return the correct value until all the rows in the result set have been retrieved
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with mysql_fetch_row(), so we use res=mysql_store_result(); instead */
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res=mysql_store_result(&conex);
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value = (double) mysql_num_rows(res);
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mysql_free_result(res);
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}
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}
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mysql_close(&conex);
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SetResult(&result, R_NUMBER, &value);
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}
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static void my_mySQLstatus (RESULT *result, RESULT *server, RESULT *login, RESULT *pass)
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{
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char *value;
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MYSQL conex;
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char *s=R2S(server);
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char *l=R2S(login);
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char *p=R2S(pass);
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char *status;
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mysql_init(&conex);
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if (!mysql_real_connect(&conex,s,l,p,NULL,0,NULL,0))
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{
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error( "mySQL conection error: %s",mysql_error(&conex));
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value="error";
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}
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else
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{
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status=strdup(mysql_stat(&conex));
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if (!status)
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{
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error( "mySQLstatus error: %s",mysql_error(&conex));
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value="error";
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}
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else
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{
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value = status;
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}
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}
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mysql_close(&conex);
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SetResult(&result, R_STRING, value);
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}
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#endif
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int plugin_init_mysql (void)
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{
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#ifdef HAVE_MYSQL_MYSQL_H
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AddFunction ("mySQLquery", 5, my_mySQLquery);
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AddFunction ("mySQLstatus", 3, my_mySQLstatus);
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#endif
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return 0;
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}
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void plugin_exit_mysql(void)
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{
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}
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