ndoutils2.2.0(ndo2db)中文乱码问题解决

时间：2015-03-09 00:28:41 阅读：252 评论：0 收藏：0 [点我收藏+]

标签：

ndoutils插入中文时，产生数据库乱码请用下面两个文件：

适用版本：ndoutils-2.0.0

数据库初始化mysql.sql：

技术分享 View Code

修改ndoutils-2.0.0/src目录中的db.c

/***************************************************************

* DB.C - Datatabase routines for NDO2DB daemon
*
* Copyright (c) 2009 Nagios Core Development Team and Community Contributors
* Copyright (c) 2005-2009 Ethan Galstad
*
* Last Modified: 07-11-2009
*
**************************************************************/

/* include our project‘s header files */
#include "../include/config.h"
#include "../include/common.h"
#include "../include/io.h"
#include "../include/utils.h"
#include "../include/protoapi.h"
#include "../include/ndo2db.h"
#include "../include/dbhandlers.h"
#include "../include/db.h"

extern int errno;

extern ndo2db_dbconfig ndo2db_db_settings;
extern time_t ndo2db_db_last_checkin_time;

char *ndo2db_db_rawtablenames[NDO2DB_MAX_DBTABLES]={
 "instances",
 "conninfo",
 "objects",
 "objecttypes",
 "logentries",
 "systemcommands",
 "eventhandlers",
 "servicechecks",
 "hostchecks",
 "programstatus",
 "externalcommands",
 "servicestatus",
 "hoststatus",
 "processevents",
 "timedevents",
 "timedeventqueue",
 "flappinghistory",
 "commenthistory",
 "comments",
 "notifications",
 "contactnotifications",
 "contactnotificationmethods",
 "acknowledgements",
 "statehistory",
 "downtimehistory",
 "scheduleddowntime",
 "configfiles",
 "configfilevariables",
 "runtimevariables",
 "contactstatus",
 "customvariablestatus",
 "",
 "",
 "",
 "",
 "",
 "",
 "",
 "",
 "",
 "commands",
 "timeperiods",
 "timeperiod_timeranges",
 "contactgroups",
 "contactgroup_members",
 "hostgroups",
 "hostgroup_members",
 "servicegroups",
 "servicegroup_members",
 "hostescalations",
 "hostescalation_contacts",
 "serviceescalations",
 "serviceescalation_contacts",
 "hostdependencies",
 "servicedependencies",
 "contacts",
 "contact_addresses",
 "contact_notificationcommands",
 "hosts",
 "host_parenthosts",
 "host_contacts",
 "services",
 "service_contacts",
 "customvariables",
 "host_contactgroups",
 "service_contactgroups",
 "hostescalation_contactgroups",
 "serviceescalation_contactgroups",
 "service_parentservices",
 };

char *ndo2db_db_tablenames[NDO2DB_MAX_DBTABLES];

/*
#define DEBUG_NDO2DB_QUERIES 1
*/

/****************************************************************************/
/* CONNECTION FUNCTIONS */
/****************************************************************************/

/* initialize database structures */
int ndo2db_db_init(ndo2db_idi *idi){
 register int x;

 if(idi==NULL)
 return NDO_ERROR;

 /* initialize db server type */
 idi->dbinfo.server_type=ndo2db_db_settings.server_type;

 /* initialize table names */
 for(x=0;x<NDO2DB_MAX_DBTABLES;x++){
 if((ndo2db_db_tablenames[x]=(char *)malloc(strlen(ndo2db_db_rawtablenames[x])+((ndo2db_db_settings.dbprefix==NULL)?0:strlen(ndo2db_db_settings.dbprefix))+1))==NULL)
 return NDO_ERROR;
 sprintf(ndo2db_db_tablenames[x],"%s%s",(ndo2db_db_settings.dbprefix==NULL)?"":ndo2db_db_settings.dbprefix,ndo2db_db_rawtablenames[x]);
 }

 /* initialize other variables */
 idi->dbinfo.connected=NDO_FALSE;
 idi->dbinfo.error=NDO_FALSE;
 idi->dbinfo.instance_id=0L;
 idi->dbinfo.conninfo_id=0L;
 idi->dbinfo.latest_program_status_time=(time_t)0L;
 idi->dbinfo.latest_host_status_time=(time_t)0L;
 idi->dbinfo.latest_service_status_time=(time_t)0L;
 idi->dbinfo.latest_queued_event_time=(time_t)0L;
 idi->dbinfo.latest_realtime_data_time=(time_t)0L;
 idi->dbinfo.latest_comment_time=(time_t)0L;
 idi->dbinfo.clean_event_queue=NDO_FALSE;
 idi->dbinfo.last_notification_id=0L;
 idi->dbinfo.last_contact_notification_id=0L;
 idi->dbinfo.max_timedevents_age=ndo2db_db_settings.max_timedevents_age;
 idi->dbinfo.max_systemcommands_age=ndo2db_db_settings.max_systemcommands_age;
 idi->dbinfo.max_servicechecks_age=ndo2db_db_settings.max_servicechecks_age;
 idi->dbinfo.max_hostchecks_age=ndo2db_db_settings.max_hostchecks_age;
 idi->dbinfo.max_eventhandlers_age=ndo2db_db_settings.max_eventhandlers_age;
 idi->dbinfo.max_externalcommands_age=ndo2db_db_settings.max_externalcommands_age;
 idi->dbinfo.max_notifications_age=ndo2db_db_settings.max_notifications_age;
 idi->dbinfo.max_contactnotifications_age=ndo2db_db_settings.max_contactnotifications_age;
 idi->dbinfo.max_contactnotificationmethods_age=ndo2db_db_settings.max_contactnotificationmethods_age;
 idi->dbinfo.max_logentries_age=ndo2db_db_settings.max_logentries_age;
 idi->dbinfo.max_acknowledgements_age=ndo2db_db_settings.max_acknowledgements_age; 
 idi->dbinfo.last_table_trim_time=(time_t)0L;
 idi->dbinfo.last_logentry_time=(time_t)0L;
 idi->dbinfo.last_logentry_data=NULL;
 idi->dbinfo.object_hashlist=NULL;

 /* initialize db structures, etc. */
 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 if(!mysql_init(&idi->dbinfo.mysql_conn)){
 syslog(LOG_USER|LOG_INFO,"Error: mysql_init() failed\n");
 return NDO_ERROR;
 }
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 idi->dbinfo.pgsql_conn=NULL;
 idi->dbinfo.pgsql_result=NULL;
#endif
 break;
 default:
 break;
 }

 return NDO_OK;
 }

/* clean up database structures */
int ndo2db_db_deinit(ndo2db_idi *idi){
 register int x;

 if(idi==NULL)
 return NDO_ERROR;

 /* free table names */
 for(x=0;x<NDO2DB_MAX_DBTABLES;x++){
 if(ndo2db_db_tablenames[x])
 free(ndo2db_db_tablenames[x]);
 ndo2db_db_tablenames[x]=NULL;
 }

 /* free cached object ids */
 ndo2db_free_cached_object_ids(idi);

 return NDO_OK;
 }

/* connects to the database server */
int ndo2db_db_connect(ndo2db_idi *idi){
 int result=NDO_OK;

 if(idi==NULL)
 return NDO_ERROR;

 /* we‘re already connected... */
 if(idi->dbinfo.connected==NDO_TRUE)
 return NDO_OK;

 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 if(!mysql_real_connect(&idi->dbinfo.mysql_conn,ndo2db_db_settings.host,ndo2db_db_settings.username,ndo2db_db_settings.password,ndo2db_db_settings.dbname,ndo2db_db_settings.port,NULL,0)){

 mysql_close(&idi->dbinfo.mysql_conn);
 syslog(LOG_USER|LOG_INFO,"Error: Could not connect to MySQL database: %s",mysql_error(&idi->dbinfo.mysql_conn));
 result=NDO_ERROR;
 idi->disconnect_client=NDO_TRUE;
 }
 else{
 /*rubydrew@qq.com*/
 mysql_set_character_set(&idi->dbinfo.mysql_conn, "utf8");
 idi->dbinfo.connected=NDO_TRUE;
 syslog(LOG_USER|LOG_DEBUG,"Successfully connected to MySQL database");
 }
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 snprintf(connect_string,sizeof(connect_string)-1,"host=‘%s‘ port=%d dbname=‘%s‘ user=‘%s‘ password=‘%s‘",ndo2db_db_settings.host,ndo2db_db_settings.port,ndo2db_db_settings.dbname,ndo2db_db_settings.username,ndo2db_db_settings.password);
 connect_string[sizeof(connect_string)-1]=‘\x0‘;
 idi->dbinfo.pgsql_conn=PQconnectdb(connect_string);

 if(PQstatus(idi->dbinfo.pgsql_conn)==CONNECTION_BAD){
 PQfinish(idi->dbinfo.pgsql_conn);
 syslog(LOG_USER|LOG_INFO,"Error: Could not connect to PostgreSQL database: %s",PQerrorMessage(idi->dbinfo.pgsql_conn));
 result=NDO_ERROR;
 idi->disconnect_client=NDO_TRUE;
 }
 else{
 idi->dbinfo.connected=NDO_TRUE;
 syslog(LOG_USER|LOG_DEBUG,"Successfully connected to PostgreSQL database");
 }
#endif
 break;
 default:
 break;
 }

 return result;
 }

/* disconnects from the database server */
int ndo2db_db_disconnect(ndo2db_idi *idi){

 if(idi==NULL)
 return NDO_ERROR;

 /* we‘re not connected... */
 if(idi->dbinfo.connected==NDO_FALSE)
 return NDO_OK;

 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 /* close the connection to the database server */ 
 mysql_close(&idi->dbinfo.mysql_conn);
 idi->dbinfo.connected=NDO_FALSE;
 syslog(LOG_USER|LOG_DEBUG,"Successfully disconnected from MySQL database");
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 /* close database connection and cleanup */
 if(PQstatus(idi->dbinfo.pgsql_conn)!=CONNECTION_BAD)
 PQfinish(idi->dbinfo.pgsql_conn);
 idi->dbinfo.connected=NDO_FALSE;
 syslog(LOG_USER|LOG_DEBUG,"Successfully disconnected from PostgreSQL database");
#endif
 break;
 default:
 break;
 }

 return NDO_OK;
 }

/* post-connect routines */
int ndo2db_db_hello(ndo2db_idi *idi){
 char *buf=NULL;
 char *ts=NULL;
 int result=NDO_OK;
 int have_instance=NDO_FALSE;
 time_t current_time;

 /* make sure we have an instance name */
 if(idi->instance_name==NULL)
 idi->instance_name=strdup("default");

 /* get existing instance */
 if(asprintf(&buf,"SELECT instance_id FROM %s WHERE instance_name=‘%s‘",ndo2db_db_tablenames[NDO2DB_DBTABLE_INSTANCES],idi->instance_name)==-1)
 buf=NULL;
 if((result=ndo2db_db_query(idi,buf))==NDO_OK){
 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 idi->dbinfo.mysql_result=mysql_store_result(&idi->dbinfo.mysql_conn);
 if((idi->dbinfo.mysql_row=mysql_fetch_row(idi->dbinfo.mysql_result))!=NULL){
 ndo2db_convert_string_to_unsignedlong(idi->dbinfo.mysql_row[0],&idi->dbinfo.instance_id);
 have_instance=NDO_TRUE;
 }
 mysql_free_result(idi->dbinfo.mysql_result);
 idi->dbinfo.mysql_result=NULL;
#endif
 break;
 default:
 break;
 }
 }
 free(buf);

 /* insert new instance if necessary */
 if(have_instance==NDO_FALSE){
 if(asprintf(&buf,"INSERT INTO %s SET instance_name=‘%s‘",ndo2db_db_tablenames[NDO2DB_DBTABLE_INSTANCES],idi->instance_name)==-1)
 buf=NULL;
 if((result=ndo2db_db_query(idi,buf))==NDO_OK){
 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 idi->dbinfo.instance_id=mysql_insert_id(&idi->dbinfo.mysql_conn);
#endif
 break;
 default:
 break;
 }
 }
 free(buf);
 }
 
 ts=ndo2db_db_timet_to_sql(idi,idi->data_start_time);

 /* record initial connection information */
 if(asprintf(&buf,"INSERT INTO %s SET instance_id=‘%lu‘, connect_time=NOW(), last_checkin_time=NOW(), bytes_processed=‘0‘, lines_processed=‘0‘, entries_processed=‘0‘, agent_name=‘%s‘, agent_version=‘%s‘, disposition=‘%s‘, connect_source=‘%s‘, connect_type=‘%s‘, data_start_time=%s"
 ,ndo2db_db_tablenames[NDO2DB_DBTABLE_CONNINFO]
 ,idi->dbinfo.instance_id
 ,idi->agent_name
 ,idi->agent_version
 ,idi->disposition
 ,idi->connect_source
 ,idi->connect_type
 ,ts
 )==-1)
 buf=NULL;
 if((result=ndo2db_db_query(idi,buf))==NDO_OK){
 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 idi->dbinfo.conninfo_id=mysql_insert_id(&idi->dbinfo.mysql_conn);
#endif
 break;
 default:
 break;
 }
 }
 free(buf);
 free(ts);

 /* get cached object ids... */
 ndo2db_get_cached_object_ids(idi);

 /* get latest times from various tables... */
 ndo2db_db_get_latest_data_time(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_PROGRAMSTATUS],"status_update_time",(unsigned long *)&idi->dbinfo.latest_program_status_time);
 ndo2db_db_get_latest_data_time(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_HOSTSTATUS],"status_update_time",(unsigned long *)&idi->dbinfo.latest_host_status_time);
 ndo2db_db_get_latest_data_time(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_SERVICESTATUS],"status_update_time",(unsigned long *)&idi->dbinfo.latest_service_status_time);
 ndo2db_db_get_latest_data_time(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_CONTACTSTATUS],"status_update_time",(unsigned long *)&idi->dbinfo.latest_contact_status_time);
 ndo2db_db_get_latest_data_time(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_TIMEDEVENTQUEUE],"queued_time",(unsigned long *)&idi->dbinfo.latest_queued_event_time);
 ndo2db_db_get_latest_data_time(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_COMMENTS],"entry_time",(unsigned long *)&idi->dbinfo.latest_comment_time);

 /* calculate time of latest realtime data */
 idi->dbinfo.latest_realtime_data_time=(time_t)0L;
 if(idi->dbinfo.latest_program_status_time>idi->dbinfo.latest_realtime_data_time)
 idi->dbinfo.latest_realtime_data_time=idi->dbinfo.latest_program_status_time;
 if(idi->dbinfo.latest_host_status_time>idi->dbinfo.latest_realtime_data_time)
 idi->dbinfo.latest_realtime_data_time=idi->dbinfo.latest_host_status_time;
 if(idi->dbinfo.latest_service_status_time>idi->dbinfo.latest_realtime_data_time)
 idi->dbinfo.latest_realtime_data_time=idi->dbinfo.latest_service_status_time;
 if(idi->dbinfo.latest_contact_status_time>idi->dbinfo.latest_realtime_data_time)
 idi->dbinfo.latest_realtime_data_time=idi->dbinfo.latest_contact_status_time;
 if(idi->dbinfo.latest_queued_event_time>idi->dbinfo.latest_realtime_data_time)
 idi->dbinfo.latest_realtime_data_time=idi->dbinfo.latest_queued_event_time;

 /* get current time */
 /* make sure latest time stamp isn‘t in the future - this will cause problems if a backwards system time change occurs */
 time(&current_time);
 if(idi->dbinfo.latest_realtime_data_time>current_time)
 idi->dbinfo.latest_realtime_data_time=current_time;

 /* set flags to clean event queue, etc. */
 idi->dbinfo.clean_event_queue=NDO_TRUE;

 /* set misc data */
 idi->dbinfo.last_notification_id=0L;
 idi->dbinfo.last_contact_notification_id=0L;

 return result;
 }

/* pre-disconnect routines */
int ndo2db_db_goodbye(ndo2db_idi *idi){
 int result=NDO_OK;
 char *buf=NULL;
 char *ts=NULL;

 ts=ndo2db_db_timet_to_sql(idi,idi->data_end_time);

 /* record last connection information */
 if(asprintf(&buf,"UPDATE %s SET disconnect_time=NOW(), last_checkin_time=NOW(), data_end_time=%s, bytes_processed=‘%lu‘, lines_processed=‘%lu‘, entries_processed=‘%lu‘ WHERE conninfo_id=‘%lu‘"
 ,ndo2db_db_tablenames[NDO2DB_DBTABLE_CONNINFO]
 ,ts
 ,idi->bytes_processed
 ,idi->lines_processed
 ,idi->entries_processed
 ,idi->dbinfo.conninfo_id
 )==-1)
 buf=NULL;
 result=ndo2db_db_query(idi,buf);
 free(buf);

 free(ts);

 return result;
 }

/* checking routines */
int ndo2db_db_checkin(ndo2db_idi *idi){
 int result=NDO_OK;
 char *buf=NULL;

 /* record last connection information */
 if(asprintf(&buf,"UPDATE %s SET last_checkin_time=NOW(), bytes_processed=‘%lu‘, lines_processed=‘%lu‘, entries_processed=‘%lu‘ WHERE conninfo_id=‘%lu‘"
 ,ndo2db_db_tablenames[NDO2DB_DBTABLE_CONNINFO]
 ,idi->bytes_processed
 ,idi->lines_processed
 ,idi->entries_processed
 ,idi->dbinfo.conninfo_id
 )==-1)
 buf=NULL;
 result=ndo2db_db_query(idi,buf);
 free(buf);

 time(&ndo2db_db_last_checkin_time);

 return result;
 }

/****************************************************************************/
/* MISC FUNCTIONS */
/****************************************************************************/

/* escape a string for a SQL statement */
char *ndo2db_db_escape_string(ndo2db_idi *idi, char *buf){
 register int x,y,z;
 char *newbuf=NULL;

 if(idi==NULL || buf==NULL)
 return NULL;

 z=strlen(buf);

 /* allocate space for the new string */
 if((newbuf=(char *)malloc((z*2)+1))==NULL)
 return NULL;

 /* escape characters */
 for(x=0,y=0;x<z;x++){

 if(idi->dbinfo.server_type==NDO2DB_DBSERVER_MYSQL){
 if(buf[x]==‘\‘‘ || buf[x]==‘\"‘ || buf[x]==‘*‘ || buf[x]==‘\\‘ || buf[x]==‘$‘ || buf[x]==‘?‘ || buf[x]==‘.‘ || buf[x]==‘^‘ || buf[x]==‘+‘ || buf[x]==‘[‘ || buf[x]==‘]‘ || buf[x]==‘(‘ || buf[x]==‘)‘)
 newbuf[y++]=‘\\‘;
 }
 else if(idi->dbinfo.server_type==NDO2DB_DBSERVER_PGSQL){
 if(! (isspace(buf[x]) || isalnum(buf[x]) || (buf[x]==‘_‘)) )
 newbuf[y++]=‘\\‘;
 }

 newbuf[y++]=buf[x];
 }

 /* terminate escape string */
 newbuf [y]=‘\0‘;

 return newbuf;
 }

/* SQL query conversion of time_t format to date/time format */
char *ndo2db_db_timet_to_sql(ndo2db_idi *idi, time_t t){
 char *buf=NULL;

 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 asprintf(&buf,"FROM_UNIXTIME(%lu)",(unsigned long)t);
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 asprintf(&buf,"FROM_UNIXTIME(%lu)",(unsigned long)t);
#endif
 break;
 default:
 break;
 }
 
 return buf;
 }

/* SQL query conversion of date/time format to time_t format */
char *ndo2db_db_sql_to_timet(ndo2db_idi *idi, char *field){
 char *buf=NULL;

 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 asprintf(&buf,"UNIX_TIMESTAMP(%s)",(field==NULL)?"":field);
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 asprintf(&buf,"UNIX_TIMESTAMP(%s",(field==NULL)?"":field);
#endif
 break;
 default:
 break;
 }
 
 return buf;
 }

/* executes a SQL statement */
int ndo2db_db_query(ndo2db_idi *idi, char *buf){
 int result=NDO_OK;
 int query_result=0;

 if(idi==NULL || buf==NULL)
 return NDO_ERROR;

 /* if we‘re not connected, try and reconnect... */
 if(idi->dbinfo.connected==NDO_FALSE){
 if(ndo2db_db_connect(idi)==NDO_ERROR)
 return NDO_ERROR;
 ndo2db_db_hello(idi);
 }

#ifdef DEBUG_NDO2DB_QUERIES
 printf("%s\n\n",buf);
#endif

 ndo2db_log_debug_info(NDO2DB_DEBUGL_SQL,0,"%s\n",buf);

 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 if((query_result=mysql_query(&idi->dbinfo.mysql_conn,buf))){
 syslog(LOG_USER|LOG_INFO,"Error: mysql_query() failed for ‘%s‘\n",buf);
 syslog(LOG_USER|LOG_INFO,"mysql_error: ‘%s‘\n", mysql_error(&idi->dbinfo.mysql_conn));
 result=NDO_ERROR;
 }
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 idi->dbinfo.pgsql_result==PQexec(idi->dbinfo.pgsql_conn,buf);
 if((query_result=PQresultStatus(idi->dbinfo.pgsql_result))!=PGRES_COMMAND_OK){
 syslog(LOG_USER|LOG_INFO,"Error: PQexec() failed for ‘%s‘\n",buf);
 PQclear(idi->dbinfo.pgsql_result);
 result=NDO_ERROR;
 }
#endif
 break;
 default:
 break;
 }

 /* handle errors */
 if(result==NDO_ERROR)
 ndo2db_handle_db_error(idi,query_result);

 return result;
 }

/* frees memory associated with a query */
int ndo2db_db_free_query(ndo2db_idi *idi){

 if(idi==NULL)
 return NDO_ERROR;

 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 PQclear(idi->dbinfo.pgsql_result);
#endif
 break;
 default:
 break;
 }

 return NDO_OK;
 }

/* handles SQL query errors */
int ndo2db_handle_db_error(ndo2db_idi *idi, int query_result){
 int result=0;

 if(idi==NULL)
 return NDO_ERROR;

 /* we‘re not currently connected... */
 if(idi->dbinfo.connected==NDO_FALSE)
 return NDO_OK;

 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 result=mysql_errno(&idi->dbinfo.mysql_conn);
 if(result==CR_SERVER_LOST || result==CR_SERVER_GONE_ERROR){
 syslog(LOG_USER|LOG_INFO,"Error: Connection to MySQL database has been lost!\n");
 ndo2db_db_disconnect(idi);
 idi->disconnect_client=NDO_TRUE;
 }
#endif
 break;
 case NDO2DB_DBSERVER_PGSQL:
#ifdef USE_PGSQL
 result=PQstatus(idi->dbinfo.pgsql_conn);
 if(result!=CONNECTION_OK){
 syslog(LOG_USER|LOG_INFO,"Error: Connection to PostgreSQL database has been lost!\n");
 ndo2db_db_disconnect(idi);
 idi->disconnect_client=NDO_TRUE;
 }
#endif
 break;
 default:
 break;
 }

 return NDO_OK;
 }

/* clears data from a given table (current instance only) */
int ndo2db_db_clear_table(ndo2db_idi *idi, char *table_name){
 char *buf=NULL;
 int result=NDO_OK;

 if(idi==NULL || table_name==NULL)
 return NDO_ERROR;

 if(asprintf(&buf,"DELETE FROM %s WHERE instance_id=‘%lu‘"
 ,table_name
 ,idi->dbinfo.instance_id
 )==-1)
 buf=NULL;

 result=ndo2db_db_query(idi,buf);
 free(buf);

 return result;
 }
 

/* gets latest data time value from a given table */
int ndo2db_db_get_latest_data_time(ndo2db_idi *idi, char *table_name, char *field_name, unsigned long *t){
 char *buf=NULL;
 char *ts[1];
 int result=NDO_OK;

 if(idi==NULL || table_name==NULL || field_name==NULL || t==NULL)
 return NDO_ERROR;

 *t=(time_t)0L;
 ts[0]=ndo2db_db_sql_to_timet(idi,field_name);

 if(asprintf(&buf,"SELECT %s AS latest_time FROM %s WHERE instance_id=‘%lu‘ ORDER BY %s DESC LIMIT 0,1"
 ,ts[0]
 ,table_name
 ,idi->dbinfo.instance_id
 ,field_name
 )==-1)
 buf=NULL;

 if((result=ndo2db_db_query(idi,buf))==NDO_OK){
 switch(idi->dbinfo.server_type){
 case NDO2DB_DBSERVER_MYSQL:
#ifdef USE_MYSQL
 idi->dbinfo.mysql_result=mysql_store_result(&idi->dbinfo.mysql_conn);
 if((idi->dbinfo.mysql_row=mysql_fetch_row(idi->dbinfo.mysql_result))!=NULL){
 ndo2db_convert_string_to_unsignedlong(idi->dbinfo.mysql_row[0],t);
 }
 mysql_free_result(idi->dbinfo.mysql_result);
 idi->dbinfo.mysql_result=NULL;
#endif
 break;
 default:
 break;
 }
 }
 free(buf);
 free(ts[0]);

 return result;
 }
 

/* trim/delete old data from a given table */
int ndo2db_db_trim_data_table(ndo2db_idi *idi, char *table_name, char *field_name, unsigned long t){
 char *buf=NULL;
 char *ts[1];
 int result=NDO_OK;

 if(idi==NULL || table_name==NULL || field_name==NULL)
 return NDO_ERROR;

 ts[0]=ndo2db_db_timet_to_sql(idi,(time_t)t);

 if(asprintf(&buf,"DELETE FROM %s WHERE instance_id=‘%lu‘ AND %s<%s"
 ,table_name
 ,idi->dbinfo.instance_id
 ,field_name
 ,ts[0]
 )==-1)
 buf=NULL;

 result=ndo2db_db_query(idi,buf);
 free(buf);
 free(ts[0]);

 return result;
 }
 

/* performs some periodic table maintenance... */
int ndo2db_db_perform_maintenance(ndo2db_idi *idi){
 time_t current_time;

 /* get the current time */
 time(&current_time);

 /* trim tables */
 if(((unsigned long)current_time-60)>(unsigned long)idi->dbinfo.last_table_trim_time){
 if(idi->dbinfo.max_timedevents_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_TIMEDEVENTS],"scheduled_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_timedevents_age));
 if(idi->dbinfo.max_systemcommands_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_SYSTEMCOMMANDS],"start_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_systemcommands_age));
 if(idi->dbinfo.max_servicechecks_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_SERVICECHECKS],"start_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_servicechecks_age));
 if(idi->dbinfo.max_hostchecks_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_HOSTCHECKS],"start_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_hostchecks_age));
 if(idi->dbinfo.max_eventhandlers_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_EVENTHANDLERS],"start_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_eventhandlers_age));
 if(idi->dbinfo.max_externalcommands_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_EXTERNALCOMMANDS],"entry_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_externalcommands_age));
 if(idi->dbinfo.max_notifications_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_NOTIFICATIONS],"entry_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_notifications_age));

 if(idi->dbinfo.max_contactnotifications_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_CONTACTNOTIFICATIONS],"entry_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_contactnotifications_age));
 if(idi->dbinfo.max_contactnotificationmethods_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_CONTACTNOTIFICATIONMETHODS],"entry_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_contactnotificationmethods_age));
 if(idi->dbinfo.max_logentries_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_LOGENTRIES],"entry_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_logentries_age));
 if(idi->dbinfo.max_acknowledgements_age>0L)
 ndo2db_db_trim_data_table(idi,ndo2db_db_tablenames[NDO2DB_DBTABLE_ACKNOWLEDGEMENTS],"entry_time",(time_t)((unsigned long)current_time-idi->dbinfo.max_acknowledgements_age)); 
 
 idi->dbinfo.last_table_trim_time=current_time;
 }

 return NDO_OK;
 }

ndoutils-2.0.1-utf8(完美解决中文乱码问题)

软件下载地址：http://download.csdn.net/detail/drew27/8475389

参考资料：http://blog.sina.com.cn/s/blog_620f4cf70100pvlv.html

ndoutils2.2.0(ndo2db)中文乱码问题解决

标签：

原文地址：http://www.cnblogs.com/zhuhongbao/p/4322595.html

踩

(0)

评论一句话评论（0）

分享档案

更多>

2021年07月29日 (22)
2021年07月28日 (40)
2021年07月27日 (32)
2021年07月26日 (79)
2021年07月23日 (29)
2021年07月22日 (30)
2021年07月21日 (42)
2021年07月20日 (16)
2021年07月19日 (90)
2021年07月16日 (35)

周排行