/******************************************************************************
* *
* Function: op_groups_del *
* *
* Purpose: delete groups from discovered host *
* *
* Parameters: event - [IN] event data *
* groupids - [IN] IDs of groups to delete *
* *
* Author: Alexei Vladishev *
* *
******************************************************************************/
void op_groups_del(const DB_EVENT *event, zbx_vector_uint64_t *groupids)
{
const char *__function_name = "op_groups_del";
DB_RESULT result;
zbx_uint64_t hostid;
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (event->source != EVENT_SOURCE_DISCOVERY)
return;
if (event->object != EVENT_OBJECT_DHOST && event->object != EVENT_OBJECT_DSERVICE)
return;
if (0 == (hostid = select_discovered_host(event)))
return;
sql = zbx_malloc(sql, sql_alloc);
/* make sure host belongs to at least one hostgroup */
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select groupid"
" from hosts_groups"
" where hostid=" ZBX_FS_UI64
" and not",
hostid);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "groupid", groupids->values, groupids->values_num);
result = DBselectN(sql, 1);
if (NULL == DBfetch(result))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot remove host \"%s\" from all host groups:"
" it must belong to at least one", zbx_host_string(hostid));
}
else
{
sql_offset = 0;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"delete from hosts_groups"
" where hostid=" ZBX_FS_UI64
" and",
hostid);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "groupid", groupids->values, groupids->values_num);
DBexecute("%s", sql);
}
DBfree_result(result);
zbx_free(sql);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: tm_process_check_now *
* *
* Purpose: process check now tasks for item rescheduling *
* *
* Return value: The number of successfully processed tasks *
* *
******************************************************************************/
static int tm_process_check_now(zbx_vector_uint64_t *taskids)
{
DB_ROW row;
DB_RESULT result;
int processed_num;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_vector_uint64_t itemids;
zbx_uint64_t itemid;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() tasks_num:%d", __func__, taskids->values_num);
zbx_vector_uint64_create(&itemids);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "select itemid from task_check_now where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "taskid", taskids->values, taskids->values_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(itemid, row[0]);
zbx_vector_uint64_append(&itemids, itemid);
}
DBfree_result(result);
if (0 != (processed_num = itemids.values_num))
zbx_dc_reschedule_items(&itemids, time(NULL), NULL);
if (0 != taskids->values_num)
{
sql_offset = 0;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "update task set status=%d where",
ZBX_TM_STATUS_DONE);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "taskid", taskids->values, taskids->values_num);
DBexecute("%s", sql);
}
zbx_free(sql);
zbx_vector_uint64_destroy(&itemids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s() processed:%d", __func__, processed_num);
return processed_num;
}
/******************************************************************************
* *
* Function: db_get_query_tags *
* *
* Purpose: get event query tags from database *
* *
******************************************************************************/
static void db_get_query_tags(zbx_vector_ptr_t *event_queries)
{
DB_ROW row;
DB_RESULT result;
int i;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_event_suppress_query_t *query;
zbx_vector_uint64_t eventids;
zbx_uint64_t eventid;
zbx_tag_t *tag;
zbx_vector_uint64_create(&eventids);
for (i = 0; i < event_queries->values_num; i++)
{
query = (zbx_event_suppress_query_t *)event_queries->values[i];
zbx_vector_uint64_append(&eventids, query->eventid);
}
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "select eventid,tag,value from problem_tag where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "eventid", eventids.values, eventids.values_num);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, " order by eventid");
result = DBselect("%s", sql);
zbx_free(sql);
i = 0;
query = (zbx_event_suppress_query_t *)event_queries->values[0];
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(eventid, row[0]);
while (query->eventid != eventid)
query = (zbx_event_suppress_query_t *)event_queries->values[++i];
tag = (zbx_tag_t *)zbx_malloc(NULL, sizeof(zbx_tag_t));
tag->tag = zbx_strdup(NULL, row[1]);
tag->value = zbx_strdup(NULL, row[2]);
zbx_vector_ptr_append(&query->tags, tag);
}
DBfree_result(result);
zbx_vector_uint64_destroy(&eventids);
}
static void make_delete_sql(char **sql, size_t *sql_alloc, size_t *sql_offset,
const ZBX_TABLE *table, zbx_uint64_t *ids, int *ids_num)
{
if (NULL == table)
return;
if (0 == *ids_num)
return;
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "delete from %s where", table->table);
DBadd_condition_alloc(sql, sql_alloc, sql_offset, table->recid, ids, *ids_num);
zbx_strcpy_alloc(sql, sql_alloc, sql_offset, ";\n");
DBexecute_overflowed_sql(sql, sql_alloc, sql_offset);
*ids_num = 0;
}
/******************************************************************************
* *
* Function: lld_items_get *
* *
* Purpose: returns the list of items which are related to the graph *
* prototype *
* *
* Parameters: gitems_proto - [IN] graph prototype's graphs_items *
* ymin_itemid_proto - [IN] graph prototype's ymin_itemid *
* ymax_itemid_proto - [IN] graph prototype's ymax_itemid *
* items - [OUT] sorted list of items *
* *
******************************************************************************/
static void lld_items_get(zbx_vector_ptr_t *gitems_proto, zbx_uint64_t ymin_itemid_proto,
zbx_uint64_t ymax_itemid_proto, zbx_vector_ptr_t *items)
{
const char *__function_name = "lld_items_get";
DB_RESULT result;
DB_ROW row;
zbx_lld_gitem_t *gitem;
zbx_lld_item_t *item;
zbx_vector_uint64_t itemids;
int i;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_uint64_create(&itemids);
for (i = 0; i < gitems_proto->values_num; i++)
{
gitem = (zbx_lld_gitem_t *)gitems_proto->values[i];
zbx_vector_uint64_append(&itemids, gitem->itemid);
}
if (0 != ymin_itemid_proto)
zbx_vector_uint64_append(&itemids, ymin_itemid_proto);
if (0 != ymax_itemid_proto)
zbx_vector_uint64_append(&itemids, ymax_itemid_proto);
if (0 != itemids.values_num)
{
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
zbx_vector_uint64_sort(&itemids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
sql = zbx_malloc(sql, sql_alloc);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
"select itemid,flags"
" from items"
" where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "itemid", itemids.values, itemids.values_num);
result = DBselect("%s", sql);
zbx_free(sql);
while (NULL != (row = DBfetch(result)))
{
item = zbx_malloc(NULL, sizeof(zbx_lld_item_t));
ZBX_STR2UINT64(item->itemid, row[0]);
ZBX_STR2UCHAR(item->flags, row[1]);
zbx_vector_ptr_append(items, item);
}
DBfree_result(result);
zbx_vector_ptr_sort(items, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
}
zbx_vector_uint64_destroy(&itemids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: lld_gitems_get *
* *
* Purpose: retrieve graphs_items which are used by the graph prototype and *
* by selected graphs *
* *
******************************************************************************/
static void lld_gitems_get(zbx_uint64_t parent_graphid, zbx_vector_ptr_t *gitems_proto,
zbx_vector_ptr_t *graphs)
{
const char *__function_name = "lld_gitems_get";
int i, index;
zbx_lld_graph_t *graph;
zbx_lld_gitem_t *gitem;
zbx_uint64_t graphid;
zbx_vector_uint64_t graphids;
DB_RESULT result;
DB_ROW row;
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_uint64_create(&graphids);
zbx_vector_uint64_append(&graphids, parent_graphid);
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
zbx_vector_uint64_append(&graphids, graph->graphid);
}
zbx_vector_uint64_sort(&graphids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
sql = zbx_malloc(sql, sql_alloc);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
"select gitemid,graphid,itemid,drawtype,sortorder,color,yaxisside,calc_fnc,type"
" from graphs_items"
" where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "graphid",
graphids.values, graphids.values_num);
result = DBselect("%s", sql);
zbx_free(sql);
while (NULL != (row = DBfetch(result)))
{
gitem = zbx_malloc(NULL, sizeof(zbx_lld_gitem_t));
ZBX_STR2UINT64(gitem->gitemid, row[0]);
ZBX_STR2UINT64(graphid, row[1]);
ZBX_STR2UINT64(gitem->itemid, row[2]);
ZBX_STR2UCHAR(gitem->drawtype, row[3]);
gitem->sortorder = atoi(row[4]);
gitem->color = zbx_strdup(NULL, row[5]);
ZBX_STR2UCHAR(gitem->yaxisside, row[6]);
ZBX_STR2UCHAR(gitem->calc_fnc, row[7]);
ZBX_STR2UCHAR(gitem->type, row[8]);
gitem->flags = ZBX_FLAG_LLD_GITEM_UNSET;
if (graphid == parent_graphid)
{
zbx_vector_ptr_append(gitems_proto, gitem);
}
else if (FAIL != (index = zbx_vector_ptr_bsearch(graphs, &graphid,
ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC)))
{
graph = (zbx_lld_graph_t *)graphs->values[index];
zbx_vector_ptr_append(&graph->gitems, gitem);
}
else
{
THIS_SHOULD_NEVER_HAPPEN;
lld_gitem_free(gitem);
}
}
DBfree_result(result);
zbx_vector_ptr_sort(gitems_proto, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
zbx_vector_ptr_sort(&graph->gitems, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
}
zbx_vector_uint64_destroy(&graphids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: process_record *
* *
* Purpose: process record update *
* *
* Parameters: *
* *
* Return value: SUCCEED - processed successfully *
* FAIL - an error occurred *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_record(char **sql, size_t *sql_alloc, size_t *sql_offset, int sender_nodeid, int nodeid,
const ZBX_TABLE *table, const char *record, int lastrecord, int acknowledges,
zbx_vector_uint64_t *ack_eventids)
{
const char *r;
int f, res = FAIL;
char *value_esc;
zabbix_log(LOG_LEVEL_DEBUG, "In process_record()");
if (0 == *sql_offset)
{
DBbegin_multiple_update(sql, sql_alloc, sql_offset);
#ifdef HAVE_MULTIROW_INSERT
begin_history_sql(sql, sql_alloc, sql_offset, table);
#endif
}
#if !defined(HAVE_MULTIROW_INSERT)
begin_history_sql(sql, sql_alloc, sql_offset, table);
#endif
zbx_chrcpy_alloc(sql, sql_alloc, sql_offset, '(');
if (0 != (table->flags & ZBX_HISTORY_SYNC))
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%d,", nodeid);
for (r = record, f = 0; table->fields[f].name != 0; f++)
{
if (0 != (table->flags & ZBX_HISTORY_SYNC) && 0 == (table->fields[f].flags & ZBX_HISTORY_SYNC))
continue;
if (NULL == r)
goto error;
zbx_get_next_field(&r, &buffer, &buffer_alloc, ZBX_DM_DELIMITER);
if (0 != acknowledges && 0 == strcmp(table->fields[f].name, "eventid"))
{
zbx_uint64_t eventid;
ZBX_STR2UINT64(eventid, buffer);
zbx_vector_uint64_append(ack_eventids, eventid);
}
if (table->fields[f].type == ZBX_TYPE_INT ||
table->fields[f].type == ZBX_TYPE_UINT ||
table->fields[f].type == ZBX_TYPE_ID ||
table->fields[f].type == ZBX_TYPE_FLOAT)
{
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%s,", buffer);
}
else if (table->fields[f].type == ZBX_TYPE_BLOB)
{
if ('\0' == *buffer)
zbx_strcpy_alloc(sql, sql_alloc, sql_offset, "'',");
else
{
#ifdef HAVE_POSTGRESQL
size_t len;
len = zbx_hex2binary(buffer);
zbx_pg_escape_bytea((u_char *)buffer, len, &tmp, &tmp_alloc);
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "'%s',", tmp);
#else
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "0x%s,", buffer);
#endif
}
}
else /* ZBX_TYPE_TEXT, ZBX_TYPE_CHAR */
{
zbx_hex2binary(buffer);
value_esc = DBdyn_escape_string(buffer);
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "'%s',", value_esc);
zbx_free(value_esc);
}
}
(*sql_offset)--;
#ifdef HAVE_MULTIROW_INSERT
zbx_strcpy_alloc(sql, sql_alloc, sql_offset, "),");
#else
zbx_strcpy_alloc(sql, sql_alloc, sql_offset, ");\n");
#endif
if (0 != lastrecord || *sql_offset > ZBX_MAX_SQL_SIZE)
{
#ifdef HAVE_MULTIROW_INSERT
(*sql_offset)--;
zbx_strcpy_alloc(sql, sql_alloc, sql_offset, ";\n");
#endif
DBend_multiple_update(sql, sql_alloc, sql_offset);
if (ZBX_DB_OK <= DBexecute("%s", *sql))
res = SUCCEED;
*sql_offset = 0;
if (SUCCEED == res && 0 != lastrecord && 0 != acknowledges && 0 != ack_eventids->values_num)
{
zbx_vector_uint64_sort(ack_eventids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_vector_uint64_uniq(ack_eventids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(sql, sql_alloc, sql_offset,
"update events"
" set acknowledged=1"
" where");
DBadd_condition_alloc(sql, sql_alloc, sql_offset,
"eventid", ack_eventids->values, ack_eventids->values_num);
if (ZBX_DB_OK > DBexecute("%s", *sql))
res = FAIL;
*sql_offset = 0;
}
}
else
res = SUCCEED;
return res;
error:
zabbix_log(LOG_LEVEL_ERR, "NODE %d: Received invalid record from node %d for node %d [%s]",
CONFIG_NODEID, sender_nodeid, nodeid, record);
return FAIL;
}
/******************************************************************************
* *
* Function: evaluate_aggregate *
* *
* Parameters: grpfunc - grpavg, grpmax, grpmin, grpsum *
* groups - list of comma-separated host groups *
* itemkey - item key to aggregate *
* itemfunc - avg, count, last, max, min, sum *
* param - itemfunc parameter (optional) *
* *
* Return value: SUCCEED - aggregate item evaluated successfully *
* FAIL - otherwise *
* *
******************************************************************************/
static int evaluate_aggregate(AGENT_RESULT *res, const char *grpfunc, const char *groups, const char *itemkey,
const char *itemfunc, const char *param)
{
const char *__function_name = "evaluate_aggregate";
char *sql = NULL;
size_t sql_alloc = 1024, sql_offset = 0;
zbx_uint64_t itemid, *ids = NULL;
int ids_alloc = 0, ids_num = 0;
DB_RESULT result;
DB_ROW row;
unsigned char value_type;
double d = 0;
int num = 0;
int item_func, grp_func;
int ret = FAIL;
int grpany_offset = 0;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() grpfunc:'%s' groups:'%s' itemkey:'%s' function:'%s(%s)'",
__function_name, grpfunc, groups, itemkey, itemfunc, param);
if (0 == strcmp(grpfunc, "grpmin"))
grp_func = ZBX_GRP_FUNC_MIN;
else if (0 == strcmp(grpfunc, "grpavg"))
grp_func = ZBX_GRP_FUNC_AVG;
else if (0 == strcmp(grpfunc, "grpmax"))
grp_func = ZBX_GRP_FUNC_MAX;
else if (0 == strcmp(grpfunc, "grpsum"))
grp_func = ZBX_GRP_FUNC_SUM;
else if (0 == strcmp(grpfunc, "grpany"))
grp_func = ZBX_GRP_FUNC_ANY;
else
goto clean;
if (0 == strcmp(itemfunc, "min"))
item_func = ZBX_DB_GET_HIST_MIN;
else if (0 == strcmp(itemfunc, "avg"))
item_func = ZBX_DB_GET_HIST_AVG;
else if (0 == strcmp(itemfunc, "max"))
item_func = ZBX_DB_GET_HIST_MAX;
else if (0 == strcmp(itemfunc, "sum"))
item_func = ZBX_DB_GET_HIST_SUM;
else if (0 == strcmp(itemfunc, "count"))
item_func = ZBX_DB_GET_HIST_COUNT;
else if (0 == strcmp(itemfunc, "last"))
item_func = ZBX_DB_GET_HIST_VALUE;
else
{
SET_MSG_RESULT(res, zbx_strdup(NULL, "Invalid third parameter"));
goto clean;
}
aggregate_get_items(&ids, &ids_alloc, &ids_num, groups, itemkey);
if (0 == ids_num)
{
SET_MSG_RESULT(res, zbx_dsprintf(NULL, "No items for key [%s] in group(s) [%s]", itemkey, groups));
goto clean;
}
if (ZBX_GRP_FUNC_ANY == grp_func)
{
/*
*
*
* Adding linked host-level itemids into historyitems
* so it will insert the data into history for trigger
*
* Also disabled the grpany item(group level item) writting
* We do not need to duplicate the values
* As we changed the evalfunc and expression
* to expand the group and eval the trigger value from history table directly
*
*/
for (grpany_offset = 0; grpany_offset < ids_num ; ++grpany_offset)
{
itemid = ids[grpany_offset];
DCadd_historyitems(itemid);
}
SET_DBL_RESULT(res, 1);
grp_func = ZBX_GRP_FUNC_ANY;
ret = SUCCEED;
goto clean;
}
sql = zbx_malloc(sql, sql_alloc);
if (ZBX_DB_GET_HIST_VALUE == item_func)
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select value_type,lastvalue"
" from items"
" where lastvalue is not null"
" and value_type in (%d,%d)"
" and",
ITEM_VALUE_TYPE_FLOAT, ITEM_VALUE_TYPE_UINT64);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "itemid", ids, ids_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
value_type = (unsigned char)atoi(row[0]);
evaluate_one(&d, &num, grp_func, row[1], value_type);
}
DBfree_result(result);
}
else
{
int clock_from;
unsigned int period;
char **h_value;
if (FAIL == is_uint_suffix(param, &period))
{
SET_MSG_RESULT(res, zbx_strdup(NULL, "Invalid fourth parameter"));
goto clean;
}
clock_from = time(NULL) - period;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select itemid,value_type"
" from items"
" where value_type in (%d,%d)"
" and",
ITEM_VALUE_TYPE_FLOAT, ITEM_VALUE_TYPE_UINT64);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "itemid", ids, ids_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(itemid, row[0]);
value_type = (unsigned char)atoi(row[1]);
h_value = DBget_history(itemid, value_type, item_func, clock_from, 0, NULL, NULL, 0);
if (NULL != h_value[0]) {
evaluate_one(&d, &num, grp_func, h_value[0], value_type);
}
DBfree_history(h_value);
}
DBfree_result(result);
}
if (0 == num)
{
SET_MSG_RESULT(res, zbx_dsprintf(NULL, "No values for key [%s] in group [%s]", itemkey, groups));
goto clean;
}
if (ZBX_GRP_FUNC_AVG == grp_func)
d = d / num;
SET_DBL_RESULT(res, d);
zabbix_log(LOG_LEVEL_DEBUG, "%s() result:" ZBX_FS_DBL, __function_name, d);
ret = SUCCEED;
clean:
zbx_free(ids);
zbx_free(sql);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Function: save_template_discovery_prototypes *
* *
* Purpose: saves host item prototypes in database *
* *
* Parameters: hostid - [IN] the target host *
* items - [IN] the template items *
* *
******************************************************************************/
void save_template_discovery_prototypes(zbx_uint64_t hostid, zbx_vector_ptr_t *items)
{
typedef struct
{
zbx_uint64_t itemid;
zbx_uint64_t parent_itemid;
}
zbx_proto_t;
DB_RESULT result;
DB_ROW row;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_vector_uint64_t itemids;
zbx_vector_ptr_t prototypes;
zbx_proto_t *proto;
int i;
zbx_db_insert_t db_insert;
zbx_vector_ptr_create(&prototypes);
zbx_vector_uint64_create(&itemids);
for (i = 0; i < items->values_num; i++)
{
zbx_template_item_t *item = items->values[i];
/* process only new prototype items */
if (NULL == item->key || 0 == (ZBX_FLAG_DISCOVERY_PROTOTYPE & item->flags))
continue;
zbx_vector_uint64_append(&itemids, item->itemid);
}
if (0 == itemids.values_num)
goto out;
zbx_vector_uint64_sort(&itemids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select i.itemid,r.itemid"
" from items i,item_discovery id,items r"
" where i.templateid=id.itemid"
" and id.parent_itemid=r.templateid"
" and r.hostid=" ZBX_FS_UI64
" and",
hostid);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "i.itemid", itemids.values, itemids.values_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
proto = zbx_malloc(NULL, sizeof(zbx_proto_t));
ZBX_STR2UINT64(proto->itemid, row[0]);
ZBX_STR2UINT64(proto->parent_itemid, row[1]);
zbx_vector_ptr_append(&prototypes, proto);
}
DBfree_result(result);
if (0 == prototypes.values_num)
goto out;
zbx_db_insert_prepare(&db_insert, "item_discovery", "itemdiscoveryid", "itemid",
"parent_itemid", NULL);
for (i = 0; i < prototypes.values_num; i++)
{
proto = prototypes.values[i];
zbx_db_insert_add_values(&db_insert, __UINT64_C(0), proto->itemid, proto->parent_itemid);
}
zbx_db_insert_autoincrement(&db_insert, "itemdiscoveryid");
zbx_db_insert_execute(&db_insert);
zbx_db_insert_clean(&db_insert);
out:
zbx_free(sql);
zbx_vector_uint64_destroy(&itemids);
zbx_vector_ptr_clear_ext(&prototypes, zbx_ptr_free);
zbx_vector_ptr_destroy(&prototypes);
}
/******************************************************************************
* *
* Function: save_template_lld_rules *
* *
* Purpose: saves template lld rule item conditions to the target host in *
* database *
* *
* Parameters: items - [IN] the template items *
* rules - [IN] the ldd rule mapping *
* new_conditions - [IN] the number of new item conditions to *
* be inserted *
* *
******************************************************************************/
static void save_template_lld_rules(zbx_vector_ptr_t *items, zbx_vector_ptr_t *rules, int new_conditions)
{
char *macro_esc, *value_esc;
int i, j, index;
zbx_db_insert_t db_insert;
zbx_lld_rule_map_t *rule;
zbx_lld_rule_condition_t *condition;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_vector_uint64_t item_conditionids;
if (0 == rules->values_num)
return;
zbx_vector_uint64_create(&item_conditionids);
if (0 != new_conditions)
{
zbx_db_insert_prepare(&db_insert, "item_condition", "item_conditionid", "itemid", "operator", "macro",
"value", NULL);
/* insert lld rule conditions for new items */
for (i = 0; i < items->values_num; i++)
{
zbx_template_item_t *item = items->values[i];
if (NULL == item->key)
continue;
if (0 == (ZBX_FLAG_DISCOVERY_RULE & item->flags))
continue;
index = zbx_vector_ptr_bsearch(rules, &item->templateid, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
if (FAIL == index)
{
THIS_SHOULD_NEVER_HAPPEN;
continue;
}
rule = rules->values[index];
for (j = 0; j < rule->conditions.values_num; j++)
{
condition = rule->conditions.values[j];
zbx_db_insert_add_values(&db_insert, rule->conditionid++, item->itemid,
(int)condition->operator, condition->macro, condition->value);
}
}
}
DBbegin_multiple_update(&sql, &sql_alloc, &sql_offset);
/* update lld rule conditions for existing items */
for (i = 0; i < rules->values_num; i++)
{
rule = rules->values[i];
/* skip lld rules of new items */
if (0 == rule->itemid)
continue;
index = MIN(rule->conditions.values_num, rule->conditionids.values_num);
/* update intersecting rule conditions */
for (j = 0; j < index; j++)
{
condition = rule->conditions.values[j];
macro_esc = DBdyn_escape_string(condition->macro);
value_esc = DBdyn_escape_string(condition->value);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "update item_condition"
" set operator=%d,macro='%s',value='%s'"
" where item_conditionid=" ZBX_FS_UI64 ";\n",
(int)condition->operator, macro_esc, value_esc, rule->conditionids.values[j]);
DBexecute_overflowed_sql(&sql, &sql_alloc, &sql_offset);
zbx_free(value_esc);
zbx_free(macro_esc);
}
/* delete removed rule conditions */
for (j = index; j < rule->conditionids.values_num; j++)
zbx_vector_uint64_append(&item_conditionids, rule->conditionids.values[j]);
/* insert new rule conditions */
for (j = index; j < rule->conditions.values_num; j++)
{
condition = rule->conditions.values[j];
zbx_db_insert_add_values(&db_insert, rule->conditionid++, rule->itemid,
(int)condition->operator, condition->macro, condition->value);
}
}
/* delete removed item conditions */
if (0 != item_conditionids.values_num)
{
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "delete from item_condition where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "item_conditionid", item_conditionids.values,
item_conditionids.values_num);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ";\n");
}
DBend_multiple_update(&sql, &sql_alloc, &sql_offset);
if (16 < sql_offset)
DBexecute("%s", sql);
if (0 != new_conditions)
{
zbx_db_insert_execute(&db_insert);
zbx_db_insert_clean(&db_insert);
}
zbx_free(sql);
zbx_vector_uint64_destroy(&item_conditionids);
}
/******************************************************************************
* *
* Function: get_template_items *
* *
* Purpose: read template items from database *
* *
* Parameters: hostid - [IN] host id *
* templateids - [IN] array of template IDs *
* items - [OUT] the item data *
* *
* Comments: The itemid and key are set depending on whether the item exists *
* for the specified host. *
* If item exists itemid will be set to its itemid and key will be *
* set to NULL. *
* If item does not exist, itemid will be set to 0 and key will be *
* set to item key. *
* *
******************************************************************************/
static void get_template_items(zbx_uint64_t hostid, const zbx_vector_uint64_t *templateids, zbx_vector_ptr_t *items)
{
DB_RESULT result;
DB_ROW row;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0, i;
unsigned char interface_type;
zbx_template_item_t *item;
zbx_uint64_t interfaceids[4];
memset(&interfaceids, 0, sizeof(interfaceids));
DBget_interfaces_by_hostid(hostid, interfaceids);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select ti.itemid,ti.name,ti.key_,ti.type,ti.value_type,ti.data_type,ti.delay,ti.delay_flex,"
"ti.history,ti.trends,ti.status,ti.trapper_hosts,ti.units,ti.multiplier,ti.delta,"
"ti.formula,ti.logtimefmt,ti.valuemapid,ti.params,ti.ipmi_sensor,ti.snmp_community,"
"ti.snmp_oid,ti.snmpv3_securityname,ti.snmpv3_securitylevel,ti.snmpv3_authprotocol,"
"ti.snmpv3_authpassphrase,ti.snmpv3_privprotocol,ti.snmpv3_privpassphrase,ti.authtype,"
"ti.username,ti.password,ti.publickey,ti.privatekey,ti.flags,ti.description,"
"ti.inventory_link,ti.lifetime,ti.snmpv3_contextname,hi.itemid,ti.evaltype,ti.port"
" from items ti"
" left join items hi on hi.key_=ti.key_"
" and hi.hostid=" ZBX_FS_UI64
" where",
hostid);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "ti.hostid", templateids->values, templateids->values_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
item = zbx_malloc(NULL, sizeof(zbx_template_item_t));
ZBX_STR2UINT64(item->templateid, row[0]);
ZBX_STR2UCHAR(item->type, row[3]);
ZBX_STR2UCHAR(item->value_type, row[4]);
ZBX_STR2UCHAR(item->data_type, row[5]);
item->delay = atoi(row[6]);
item->history = atoi(row[8]);
item->trends = atoi(row[9]);
ZBX_STR2UCHAR(item->status, row[10]);
ZBX_STR2UCHAR(item->multiplier, row[13]);
ZBX_STR2UCHAR(item->delta, row[14]);
ZBX_DBROW2UINT64(item->valuemapid, row[17]);
ZBX_STR2UCHAR(item->snmpv3_securitylevel, row[23]);
ZBX_STR2UCHAR(item->snmpv3_authprotocol, row[24]);
ZBX_STR2UCHAR(item->snmpv3_privprotocol, row[26]);
ZBX_STR2UCHAR(item->authtype, row[28]);
ZBX_STR2UCHAR(item->flags, row[33]);
ZBX_STR2UCHAR(item->inventory_link, row[35]);
ZBX_STR2UCHAR(item->evaltype, row[39]);
switch (interface_type = get_interface_type_by_item_type(item->type))
{
case INTERFACE_TYPE_UNKNOWN:
item->interfaceid = 0;
break;
case INTERFACE_TYPE_ANY:
for (i = 0; INTERFACE_TYPE_COUNT > i; i++)
{
if (0 != interfaceids[INTERFACE_TYPE_PRIORITY[i] - 1])
break;
}
item->interfaceid = interfaceids[INTERFACE_TYPE_PRIORITY[i] - 1];
break;
default:
item->interfaceid = interfaceids[interface_type - 1];
}
item->name = zbx_strdup(NULL, row[1]);
item->delay_flex = zbx_strdup(NULL, row[7]);
item->trapper_hosts = zbx_strdup(NULL, row[11]);
item->units = zbx_strdup(NULL, row[12]);
item->formula = zbx_strdup(NULL, row[15]);
item->logtimefmt = zbx_strdup(NULL, row[16]);
item->params = zbx_strdup(NULL, row[18]);
item->ipmi_sensor = zbx_strdup(NULL, row[19]);
item->snmp_community = zbx_strdup(NULL, row[20]);
item->snmp_oid = zbx_strdup(NULL, row[21]);
item->snmpv3_securityname = zbx_strdup(NULL, row[22]);
item->snmpv3_authpassphrase = zbx_strdup(NULL, row[25]);
item->snmpv3_privpassphrase = zbx_strdup(NULL, row[27]);
item->username = zbx_strdup(NULL, row[29]);
item->password = zbx_strdup(NULL, row[30]);
item->publickey = zbx_strdup(NULL, row[31]);
item->privatekey = zbx_strdup(NULL, row[32]);
item->description = zbx_strdup(NULL, row[34]);
item->lifetime = zbx_strdup(NULL, row[36]);
item->snmpv3_contextname = zbx_strdup(NULL, row[37]);
item->port = zbx_strdup(NULL, row[40]);
if (SUCCEED != DBis_null(row[38]))
{
item->key = NULL;
ZBX_STR2UINT64(item->itemid, row[38]);
}
else
{
item->key = zbx_strdup(NULL, row[2]);
item->itemid = 0;
}
zbx_vector_ptr_append(items, item);
}
DBfree_result(result);
zbx_free(sql);
zbx_vector_ptr_sort(items, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
}
/******************************************************************************
* *
* Function: housekeeping_cleanup *
* *
* Purpose: remove deleted items data *
* *
* Return value: number of rows deleted *
* *
* Author: Alexei Vladishev, Dmitry Borovikov *
* *
* Comments: sqlite3 does not use CONFIG_MAX_HOUSEKEEPER_DELETE, deletes all *
* *
******************************************************************************/
static int housekeeping_cleanup()
{
const char *__function_name = "housekeeping_cleanup";
DB_HOUSEKEEPER housekeeper;
DB_RESULT result;
DB_ROW row;
int d, deleted = 0;
zbx_vector_uint64_t housekeeperids;
char *sql = NULL, *table_name_esc;
size_t sql_alloc = 0, sql_offset = 0;
zbx_hk_cleanup_table_t *table;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
/* first handle the trivial case when history and trend housekeeping is disabled */
if (ZBX_HK_OPTION_DISABLED == hk_config.history_mode && ZBX_HK_OPTION_DISABLED == hk_config.trends_mode)
goto out;
zbx_vector_uint64_create(&housekeeperids);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
"select housekeeperid,tablename,field,value"
" from housekeeper"
" where tablename in (");
/* assemble list of tables excluded from housekeeping procedure */
for (table = hk_cleanup_tables; NULL != table->name; table++)
{
if (ZBX_HK_OPTION_ENABLED != *table->poption_mode)
continue;
table_name_esc = DBdyn_escape_string(table->name);
zbx_chrcpy_alloc(&sql, &sql_alloc, &sql_offset, '\'');
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, table_name_esc);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "',");
zbx_free(table_name_esc);
}
sql_offset--;
/* order by tablename to effectively use DB cache */
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ") order by tablename");
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(housekeeper.housekeeperid, row[0]);
housekeeper.tablename = row[1];
housekeeper.field = row[2];
ZBX_STR2UINT64(housekeeper.value, row[3]);
if (0 == CONFIG_MAX_HOUSEKEEPER_DELETE)
{
d = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64,
housekeeper.tablename,
housekeeper.field,
housekeeper.value);
}
else
{
#if defined(HAVE_IBM_DB2) || defined(HAVE_ORACLE)
d = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64
" and rownum<=%d",
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_MYSQL)
d = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64 " limit %d",
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_POSTGRESQL)
d = DBexecute(
"delete from %s"
" where ctid = any(array(select ctid from %s"
" where %s=" ZBX_FS_UI64 " limit %d))",
housekeeper.tablename,
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_SQLITE3)
d = 0;
#endif
}
if (ZBX_DB_OK <= d)
{
if (0 == CONFIG_MAX_HOUSEKEEPER_DELETE || CONFIG_MAX_HOUSEKEEPER_DELETE > d)
zbx_vector_uint64_append(&housekeeperids, housekeeper.housekeeperid);
deleted += d;
}
}
DBfree_result(result);
if (0 != housekeeperids.values_num)
{
zbx_vector_uint64_sort(&housekeeperids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
sql_offset = 0;
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "delete from housekeeper where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "housekeeperid",
housekeeperids.values, housekeeperids.values_num);
DBexecute("%s", sql);
}
zbx_free(sql);
zbx_vector_uint64_destroy(&housekeeperids);
out:
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%d", __function_name, deleted);
return deleted;
}
/******************************************************************************
* *
* Function: lld_graphs_validate *
* *
* Parameters: graphs - [IN] sorted list of graphs *
* *
******************************************************************************/
static void lld_graphs_validate(zbx_uint64_t hostid, zbx_vector_ptr_t *graphs, char **error)
{
const char *__function_name = "lld_graphs_validate";
int i, j;
zbx_lld_graph_t *graph, *graph_b;
zbx_vector_uint64_t graphids;
zbx_vector_str_t names;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_uint64_create(&graphids);
zbx_vector_str_create(&names); /* list of graph names */
/* checking a validity of the fields */
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
lld_validate_graph_field(graph, &graph->name, &graph->name_orig,
ZBX_FLAG_LLD_GRAPH_UPDATE_NAME, GRAPH_NAME_LEN, error);
}
/* checking duplicated graph names */
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
if (0 == (graph->flags & ZBX_FLAG_LLD_GRAPH_DISCOVERED))
continue;
/* only new graphs or graphs with changed name will be validated */
if (0 != graph->graphid && 0 == (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_NAME))
continue;
for (j = 0; j < graphs->values_num; j++)
{
graph_b = (zbx_lld_graph_t *)graphs->values[j];
if (0 == (graph_b->flags & ZBX_FLAG_LLD_GRAPH_DISCOVERED) || i == j)
continue;
if (0 != strcmp(graph->name, graph_b->name))
continue;
*error = zbx_strdcatf(*error, "Cannot %s graph:"
" graph with the same name \"%s\" already exists.\n",
(0 != graph->graphid ? "update" : "create"), graph->name);
if (0 != graph->graphid)
{
lld_field_str_rollback(&graph->name, &graph->name_orig, &graph->flags,
ZBX_FLAG_LLD_GRAPH_UPDATE_NAME);
}
else
graph->flags &= ~ZBX_FLAG_LLD_GRAPH_DISCOVERED;
break;
}
}
/* checking duplicated graphs in DB */
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
if (0 == (graph->flags & ZBX_FLAG_LLD_GRAPH_DISCOVERED))
continue;
if (0 != graph->graphid)
{
zbx_vector_uint64_append(&graphids, graph->graphid);
if (0 == (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_NAME))
continue;
}
zbx_vector_str_append(&names, graph->name);
}
if (0 != names.values_num)
{
DB_RESULT result;
DB_ROW row;
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
sql = zbx_malloc(sql, sql_alloc);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select g.name"
" from graphs g,graphs_items gi,items i"
" where g.graphid=gi.graphid"
" and gi.itemid=i.itemid"
" and i.hostid=" ZBX_FS_UI64
" and",
hostid);
DBadd_str_condition_alloc(&sql, &sql_alloc, &sql_offset, "g.name",
(const char **)names.values, names.values_num);
if (0 != graphids.values_num)
{
zbx_vector_uint64_sort(&graphids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, " and not");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "g.graphid",
graphids.values, graphids.values_num);
}
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
if (0 == (graph->flags & ZBX_FLAG_LLD_GRAPH_DISCOVERED))
continue;
if (0 == strcmp(graph->name, row[0]))
{
*error = zbx_strdcatf(*error, "Cannot %s graph:"
" graph with the same name \"%s\" already exists.\n",
(0 != graph->graphid ? "update" : "create"), graph->name);
if (0 != graph->graphid)
{
lld_field_str_rollback(&graph->name, &graph->name_orig, &graph->flags,
ZBX_FLAG_LLD_GRAPH_UPDATE_NAME);
}
else
graph->flags &= ~ZBX_FLAG_LLD_GRAPH_DISCOVERED;
continue;
}
}
}
DBfree_result(result);
zbx_free(sql);
}
zbx_vector_str_destroy(&names);
zbx_vector_uint64_destroy(&graphids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: add_discovered_host_groups *
* *
* Purpose: add group to host if not added already *
* *
* Author: Alexander Vladishev *
* *
******************************************************************************/
static void add_discovered_host_groups(zbx_uint64_t hostid, zbx_vector_uint64_t *groupids)
{
const char *__function_name = "add_discovered_host_groups";
DB_RESULT result;
DB_ROW row;
zbx_uint64_t groupid;
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
int i;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
sql = zbx_malloc(sql, sql_alloc);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select groupid"
" from hosts_groups"
" where hostid=" ZBX_FS_UI64
" and",
hostid);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "groupid", groupids->values, groupids->values_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(groupid, row[0]);
if (FAIL == (i = zbx_vector_uint64_bsearch(groupids, groupid, ZBX_DEFAULT_UINT64_COMPARE_FUNC)))
{
THIS_SHOULD_NEVER_HAPPEN;
continue;
}
zbx_vector_uint64_remove_noorder(groupids, i);
}
DBfree_result(result);
if (0 != groupids->values_num)
{
const char *ins_hosts_groups_sql = "insert into hosts_groups (hostgroupid,hostid,groupid) values ";
zbx_uint64_t hostgroupid;
hostgroupid = DBget_maxid_num("hosts_groups", groupids->values_num);
sql_offset = 0;
DBbegin_multiple_update(&sql, &sql_alloc, &sql_offset);
#ifdef HAVE_MULTIROW_INSERT
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ins_hosts_groups_sql);
#endif
for (i = 0; i < groupids->values_num; i++)
{
#ifndef HAVE_MULTIROW_INSERT
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ins_hosts_groups_sql);
#endif
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"(" ZBX_FS_UI64 "," ZBX_FS_UI64 "," ZBX_FS_UI64 ")" ZBX_ROW_DL,
hostgroupid++, hostid, groupids->values[i]);
}
#ifdef HAVE_MULTIROW_INSERT
sql_offset--;
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ";\n");
#endif
DBend_multiple_update(&sql, &sql_alloc, &sql_offset);
DBexecute("%s", sql);
}
zbx_free(sql);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
static void update_maintenance_hosts(zbx_host_maintenance_t *hm, int hm_count, int now)
{
typedef struct
{
zbx_uint64_t hostid;
int maintenance_from;
void *next;
}
maintenance_t;
const char *__function_name = "update_maintenance_hosts";
int i;
zbx_uint64_t *ids = NULL, hostid;
int ids_alloc = 0, ids_num = 0;
DB_RESULT result;
DB_ROW row;
char *sql = NULL;
size_t sql_alloc = ZBX_KIBIBYTE, sql_offset;
maintenance_t *maintenances = NULL, *m;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
sql = zbx_malloc(sql, sql_alloc);
DBbegin();
for (i = 0; i < hm_count; i++)
{
if (SUCCEED == uint64_array_exists(ids, ids_num, hm[i].hostid))
continue;
if (hm[i].host_maintenanceid != hm[i].maintenanceid ||
HOST_MAINTENANCE_STATUS_ON != hm[i].host_maintenance_status ||
hm[i].host_maintenance_type != hm[i].maintenance_type ||
0 == hm[i].host_maintenance_from)
{
zabbix_log(LOG_LEVEL_WARNING, "putting host [%s] into maintenance (with%s data collection)",
hm[i].host, MAINTENANCE_TYPE_NORMAL == hm[i].maintenance_type ? "" : "out");
sql_offset = 0;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"update hosts"
" set maintenanceid=" ZBX_FS_UI64 ","
"maintenance_status=%d,"
"maintenance_type=%d",
hm[i].maintenanceid,
HOST_MAINTENANCE_STATUS_ON,
hm[i].maintenance_type);
if (0 == hm[i].host_maintenance_from)
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, ",maintenance_from=%d",
hm[i].maintenance_from);
}
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, " where hostid=" ZBX_FS_UI64,
hm[i].hostid);
DBexecute("%s", sql);
DCconfig_set_maintenance(&hm[i].hostid, 1, HOST_MAINTENANCE_STATUS_ON,
hm[i].maintenance_type, hm[i].maintenance_from);
}
uint64_array_add(&ids, &ids_alloc, &ids_num, hm[i].hostid, 4);
}
sql_offset = 0;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select hostid,host,maintenance_type,maintenance_from"
" from hosts"
" where status=%d"
" and flags<>%d"
" and maintenance_status=%d",
HOST_STATUS_MONITORED, ZBX_FLAG_DISCOVERY_PROTOTYPE, HOST_MAINTENANCE_STATUS_ON);
if (NULL != ids && 0 != ids_num)
{
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, " and not");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "hostid", ids, ids_num);
}
result = DBselect("%s", sql);
ids_num = 0;
while (NULL != (row = DBfetch(result)))
{
zabbix_log(LOG_LEVEL_WARNING, "taking host [%s] out of maintenance", row[1]);
ZBX_STR2UINT64(hostid, row[0]);
uint64_array_add(&ids, &ids_alloc, &ids_num, hostid, 4);
if (MAINTENANCE_TYPE_NORMAL != atoi(row[2]))
continue;
m = zbx_malloc(NULL, sizeof(maintenance_t));
m->hostid = hostid;
m->maintenance_from = atoi(row[3]);
m->next = maintenances;
maintenances = m;
}
DBfree_result(result);
sql_offset = 0;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"update hosts"
" set maintenanceid=null,"
"maintenance_status=%d,"
"maintenance_type=0,"
"maintenance_from=0"
" where",
HOST_MAINTENANCE_STATUS_OFF);
if (NULL != ids && 0 != ids_num)
{
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "hostid", ids, ids_num);
DBexecute("%s", sql);
DCconfig_set_maintenance(ids, ids_num, HOST_MAINTENANCE_STATUS_OFF, 0, 0);
}
DBcommit();
zbx_free(sql);
zbx_free(ids);
for (m = maintenances; NULL != m; m = m->next)
generate_events(m->hostid, m->maintenance_from, now);
for (m = maintenances; NULL != m; m = maintenances)
{
maintenances = m->next;
zbx_free(m);
}
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: db_get_query_functions *
* *
* Purpose: get event query functionids from database *
* *
******************************************************************************/
static void db_get_query_functions(zbx_vector_ptr_t *event_queries)
{
DB_ROW row;
DB_RESULT result;
int i;
zbx_vector_uint64_t triggerids;
zbx_hashset_t triggers;
zbx_hashset_iter_t iter;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_trigger_functions_t *trigger = NULL, trigger_local;
zbx_uint64_t triggerid, functionid;
zbx_event_suppress_query_t *query;
/* cache functionids by triggerids */
zbx_hashset_create(&triggers, 100, ZBX_DEFAULT_UINT64_HASH_FUNC, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_vector_uint64_create(&triggerids);
for (i = 0; i < event_queries->values_num; i++)
{
query = (zbx_event_suppress_query_t *)event_queries->values[i];
zbx_vector_uint64_append(&triggerids, query->triggerid);
}
zbx_vector_uint64_sort(&triggerids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_vector_uint64_uniq(&triggerids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "select functionid,triggerid from functions where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "triggerid", triggerids.values,
triggerids.values_num);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, " order by triggerid");
result = DBselect("%s", sql);
zbx_free(sql);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(functionid, row[0]);
ZBX_STR2UINT64(triggerid, row[1]);
if (NULL == trigger || trigger->triggerid != triggerid)
{
trigger_local.triggerid = triggerid;
trigger = (zbx_trigger_functions_t *)zbx_hashset_insert(&triggers, &trigger_local,
sizeof(trigger_local));
zbx_vector_uint64_create(&trigger->functionids);
}
zbx_vector_uint64_append(&trigger->functionids, functionid);
}
DBfree_result(result);
/* copy functionids to event queries */
for (i = 0; i < event_queries->values_num; i++)
{
query = (zbx_event_suppress_query_t *)event_queries->values[i];
if (NULL == (trigger = (zbx_trigger_functions_t *)zbx_hashset_search(&triggers, &query->triggerid)))
continue;
zbx_vector_uint64_append_array(&query->functionids, trigger->functionids.values,
trigger->functionids.values_num);
}
zbx_hashset_iter_reset(&triggers, &iter);
while (NULL != (trigger = (zbx_trigger_functions_t *)zbx_hashset_iter_next(&iter)))
zbx_vector_uint64_destroy(&trigger->functionids);
zbx_hashset_destroy(&triggers);
zbx_vector_uint64_destroy(&triggerids);
}
/******************************************************************************
* *
* Function: db_get_query_events *
* *
* Purpose: get open, recently resolved and resolved problems with suppress *
* data from database and prepare event query, event data structures *
* *
******************************************************************************/
static void db_get_query_events(zbx_vector_ptr_t *event_queries, zbx_vector_ptr_t *event_data)
{
DB_ROW row;
DB_RESULT result;
zbx_event_suppress_query_t *query;
zbx_event_suppress_data_t *data = NULL;
zbx_uint64_t eventid;
zbx_uint64_pair_t pair;
zbx_vector_uint64_t eventids;
/* get open or recently closed problems */
result = DBselect("select eventid,objectid,r_eventid"
" from problem"
" where source=%d"
" and object=%d"
" and " ZBX_SQL_MOD(eventid, %d) "=%d"
" order by eventid",
EVENT_SOURCE_TRIGGERS, EVENT_OBJECT_TRIGGER, CONFIG_TIMER_FORKS, process_num - 1);
while (NULL != (row = DBfetch(result)))
{
query = (zbx_event_suppress_query_t *)zbx_malloc(NULL, sizeof(zbx_event_suppress_query_t));
ZBX_STR2UINT64(query->eventid, row[0]);
ZBX_STR2UINT64(query->triggerid, row[1]);
ZBX_DBROW2UINT64(query->r_eventid, row[2]);
zbx_vector_uint64_create(&query->functionids);
zbx_vector_ptr_create(&query->tags);
zbx_vector_uint64_pair_create(&query->maintenances);
zbx_vector_ptr_append(event_queries, query);
}
DBfree_result(result);
/* get event suppress data */
zbx_vector_uint64_create(&eventids);
result = DBselect("select eventid,maintenanceid,suppress_until"
" from event_suppress"
" where " ZBX_SQL_MOD(eventid, %d) "=%d"
" order by eventid",
CONFIG_TIMER_FORKS, process_num - 1);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(eventid, row[0]);
if (FAIL == zbx_vector_ptr_bsearch(event_queries, &eventid, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC))
zbx_vector_uint64_append(&eventids, eventid);
if (NULL == data || data->eventid != eventid)
{
data = (zbx_event_suppress_data_t *)zbx_malloc(NULL, sizeof(zbx_event_suppress_data_t));
data->eventid = eventid;
zbx_vector_uint64_pair_create(&data->maintenances);
zbx_vector_ptr_append(event_data, data);
}
ZBX_DBROW2UINT64(pair.first, row[1]);
pair.second = atoi(row[2]);
zbx_vector_uint64_pair_append(&data->maintenances, pair);
}
DBfree_result(result);
/* get missing event data */
if (0 != eventids.values_num)
{
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_vector_uint64_uniq(&eventids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
"select e.eventid,e.objectid,er.r_eventid"
" from events e"
" left join event_recovery er"
" on e.eventid=er.eventid"
" where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "e.eventid", eventids.values, eventids.values_num);
result = DBselect("%s", sql);
zbx_free(sql);
while (NULL != (row = DBfetch(result)))
{
query = (zbx_event_suppress_query_t *)zbx_malloc(NULL, sizeof(zbx_event_suppress_query_t));
ZBX_STR2UINT64(query->eventid, row[0]);
ZBX_STR2UINT64(query->triggerid, row[1]);
ZBX_DBROW2UINT64(query->r_eventid, row[2]);
zbx_vector_uint64_create(&query->functionids);
zbx_vector_ptr_create(&query->tags);
zbx_vector_uint64_pair_create(&query->maintenances);
zbx_vector_ptr_append(event_queries, query);
}
DBfree_result(result);
zbx_vector_ptr_sort(event_queries, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
}
zbx_vector_uint64_destroy(&eventids);
}
/******************************************************************************
* *
* Function: DCflush_nextchecks *
* *
* Purpose: add item nextcheck to the array *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexander Vladishev, Dmitry Borovikov *
* *
* Comments: *
* *
******************************************************************************/
void DCflush_nextchecks()
{
const char *__function_name = "DCflush_nextchecks";
int i, sql_offset = 0, sql_allocated = 4096;
char *sql = NULL;
DB_RESULT result;
DB_ROW row;
zbx_uint64_t triggerid;
zbx_uint64_t itemid;
zbx_uint64_t events_maxid = 0;
char *error_msg_esc = NULL;
char *sql_select = NULL;
int sql_select_offset = 0, sql_select_allocated = 512;
/* a crutch for the function `DBadd_condition_alloc' */
zbx_uint64_t *ids = NULL;
int ids_allocated = 0, ids_num = 0;
zbx_uint64_t *triggerids = NULL;
int triggerids_allocated = 0, triggerids_num = 0;
struct event_objectid_clock *events = NULL;
int events_num = 0, events_allocated = 32;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (nextcheck_num == 0)
return;
sql = zbx_malloc(sql, sql_allocated);
DBbegin();
#ifdef HAVE_ORACLE
zbx_snprintf_alloc(&sql, &sql_allocated, &sql_offset, 8, "begin\n");
#endif
/* dealing with items */
for (i = 0; i < nextcheck_num; i++)
{
if (NULL == nextchecks[i].error_msg)
continue;
uint64_array_add(&ids, &ids_allocated, &ids_num, nextchecks[i].itemid, 64);
error_msg_esc = DBdyn_escape_string_len(nextchecks[i].error_msg, ITEM_ERROR_LEN);
zbx_snprintf_alloc(&sql, &sql_allocated, &sql_offset, 128 + strlen(error_msg_esc),
"update items set status=%d,lastclock=%d,error='%s' where itemid=" ZBX_FS_UI64 ";\n",
ITEM_STATUS_NOTSUPPORTED,
(int)nextchecks[i].now,
error_msg_esc,
nextchecks[i].itemid);
zbx_free(error_msg_esc);
DBexecute_overflowed_sql(&sql, &sql_allocated, &sql_offset);
}
/* dealing with notsupported items */
if (ids_num > 0)
{
sql_select = zbx_malloc(sql_select, sql_select_allocated);
events = zbx_malloc(events, events_allocated * sizeof(struct event_objectid_clock));
/* preparing triggers */
zbx_snprintf_alloc(&sql_select, &sql_select_allocated, &sql_select_offset, 256,
"select t.triggerid,i.itemid"
" from triggers t,functions f,items i"
" where t.triggerid=f.triggerid"
" and f.itemid=i.itemid"
" and t.status in (%d)"
" and t.value not in (%d)"
" and",
TRIGGER_STATUS_ENABLED,
TRIGGER_VALUE_UNKNOWN);
DBadd_condition_alloc(&sql_select, &sql_select_allocated, &sql_select_offset,
"i.itemid", ids, ids_num);
result = DBselect("%s", sql_select);
zbx_free(sql_select);
/* processing triggers */
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(triggerid, row[0]);
ZBX_STR2UINT64(itemid, row[1]);
/* do not generate multiple unknown events for a trigger */
if (SUCCEED == uint64_array_exists(triggerids, triggerids_num, triggerid))
continue;
uint64_array_add(&triggerids, &triggerids_allocated, &triggerids_num, triggerid, 64);
/* index `i' will surely contain necessary itemid */
i = get_nearestindex(nextchecks, sizeof(ZBX_DC_NEXTCHECK), nextcheck_num, itemid);
if (i == nextcheck_num || nextchecks[i].itemid != itemid)
{
THIS_SHOULD_NEVER_HAPPEN;
continue;
}
error_msg_esc = DBdyn_escape_string_len(nextchecks[i].error_msg, TRIGGER_ERROR_LEN);
zbx_snprintf_alloc(&sql, &sql_allocated, &sql_offset, 128 + strlen(error_msg_esc),
"update triggers set value=%d,lastchange=%d,error='%s' where triggerid=" ZBX_FS_UI64";\n",
TRIGGER_VALUE_UNKNOWN,
nextchecks[i].now,
error_msg_esc,
triggerid);
zbx_free(error_msg_esc);
if (events_num == events_allocated)
{
events_allocated += 32;
events = zbx_realloc(events, events_allocated * sizeof(struct event_objectid_clock));
}
events[events_num].objectid = triggerid;
events[events_num].clock = nextchecks[i].now;
events_num++;
DBexecute_overflowed_sql(&sql, &sql_allocated, &sql_offset);
}
DBfree_result(result);
/* dealing with events */
for (i = 0; i < events_num; i++)
{
events_maxid = DBget_maxid("events");
zbx_snprintf_alloc(&sql, &sql_allocated, &sql_offset, 256,
"insert into events (eventid,source,object,objectid,clock,value) "
"values (" ZBX_FS_UI64 ",%d,%d," ZBX_FS_UI64 ",%d,%d);\n",
events_maxid,
EVENT_SOURCE_TRIGGERS,
EVENT_OBJECT_TRIGGER,
events[i].objectid,
events[i].clock,
TRIGGER_VALUE_UNKNOWN);
DBexecute_overflowed_sql(&sql, &sql_allocated, &sql_offset);
}
zbx_free(events);
}
#ifdef HAVE_ORACLE
zbx_snprintf_alloc(&sql, &sql_allocated, &sql_offset, 8, "end;\n");
#endif
if (sql_offset > 16) /* In ORACLE always present begin..end; */
DBexecute("%s", sql);
zbx_free(sql);
zbx_free(ids);
zbx_free(triggerids);
DCrelease_nextchecks();
DBcommit();
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
static void lld_graphs_save(zbx_uint64_t parent_graphid, zbx_vector_ptr_t *graphs, int width, int height,
double yaxismin, double yaxismax, unsigned char show_work_period, unsigned char show_triggers,
unsigned char graphtype, unsigned char show_legend, unsigned char show_3d, double percent_left,
double percent_right, unsigned char ymin_type, unsigned char ymax_type)
{
const char *__function_name = "lld_graphs_save";
int i, j, new_graphs = 0, upd_graphs = 0, new_gitems = 0;
zbx_lld_graph_t *graph;
zbx_lld_gitem_t *gitem;
zbx_vector_ptr_t upd_gitems; /* the ordered list of graphs_items which will be updated */
zbx_vector_uint64_t del_gitemids;
zbx_uint64_t graphid = 0, graphdiscoveryid = 0, gitemid = 0;
char *sql = NULL, *name_esc, *color_esc;
size_t sql_alloc = 8 * ZBX_KIBIBYTE, sql_offset = 0;
zbx_db_insert_t db_insert, db_insert_gdiscovery, db_insert_gitems;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_ptr_create(&upd_gitems);
zbx_vector_uint64_create(&del_gitemids);
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
if (0 == (graph->flags & ZBX_FLAG_LLD_GRAPH_DISCOVERED))
continue;
if (0 == graph->graphid)
new_graphs++;
else if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE))
upd_graphs++;
for (j = 0; j < graph->gitems.values_num; j++)
{
gitem = (zbx_lld_gitem_t *)graph->gitems.values[j];
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_DELETE))
{
zbx_vector_uint64_append(&del_gitemids, gitem->gitemid);
continue;
}
if (0 == (gitem->flags & ZBX_FLAG_LLD_GITEM_DISCOVERED))
continue;
if (0 == gitem->gitemid)
new_gitems++;
else if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE))
zbx_vector_ptr_append(&upd_gitems, gitem);
}
}
if (0 == new_graphs && 0 == new_gitems && 0 == upd_graphs && 0 == upd_gitems.values_num &&
0 == del_gitemids.values_num)
{
goto out;
}
DBbegin();
if (0 != new_graphs)
{
graphid = DBget_maxid_num("graphs", new_graphs);
graphdiscoveryid = DBget_maxid_num("graph_discovery", new_graphs);
zbx_db_insert_prepare(&db_insert, "graphs", "graphid", "name", "width", "height", "yaxismin",
"yaxismax", "show_work_period", "show_triggers", "graphtype", "show_legend", "show_3d",
"percent_left", "percent_right", "ymin_type", "ymin_itemid", "ymax_type",
"ymax_itemid", "flags", NULL);
zbx_db_insert_prepare(&db_insert_gdiscovery, "graph_discovery", "graphdiscoveryid", "graphid",
"parent_graphid", NULL);
}
if (0 != new_gitems)
{
gitemid = DBget_maxid_num("graphs_items", new_gitems);
zbx_db_insert_prepare(&db_insert_gitems, "graphs_items", "gitemid", "graphid", "itemid", "drawtype",
"sortorder", "color", "yaxisside", "calc_fnc", "type", NULL);
}
if (0 != upd_graphs || 0 != upd_gitems.values_num || 0 != del_gitemids.values_num)
{
sql = zbx_malloc(sql, sql_alloc);
DBbegin_multiple_update(&sql, &sql_alloc, &sql_offset);
}
for (i = 0; i < graphs->values_num; i++)
{
graph = (zbx_lld_graph_t *)graphs->values[i];
if (0 == (graph->flags & ZBX_FLAG_LLD_GRAPH_DISCOVERED))
continue;
if (0 == graph->graphid)
{
zbx_db_insert_add_values(&db_insert, graphid, graph->name, width, height, yaxismin, yaxismax,
(int)show_work_period, (int)show_triggers, (int)graphtype, (int)show_legend,
(int)show_3d, percent_left, percent_right, (int)ymin_type, graph->ymin_itemid,
(int)ymax_type, graph->ymax_itemid, (int)ZBX_FLAG_DISCOVERY_CREATED);
zbx_db_insert_add_values(&db_insert_gdiscovery, graphdiscoveryid, graphid, parent_graphid);
graph->graphid = graphid++;
graphdiscoveryid++;
}
else if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE))
{
const char *d = "";
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "update graphs set ");
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_NAME))
{
name_esc = DBdyn_escape_string(graph->name);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "name='%s'", name_esc);
zbx_free(name_esc);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_WIDTH))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%swidth=%d", d, width);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_HEIGHT))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sheight=%d", d, height);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_YAXISMIN))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%syaxismin=" ZBX_FS_DBL, d,
yaxismin);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_YAXISMAX))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%syaxismax=" ZBX_FS_DBL, d,
yaxismax);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_SHOW_WORK_PERIOD))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sshow_work_period=%d", d,
(int)show_work_period);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_SHOW_TRIGGERS))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sshow_triggers=%d", d,
(int)show_triggers);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_GRAPHTYPE))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sgraphtype=%d", d,
(int)graphtype);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_SHOW_LEGEND))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sshow_legend=%d", d,
(int)show_legend);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_SHOW_3D))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sshow_3d=%d", d, (int)show_3d);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_PERCENT_LEFT))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%spercent_left=" ZBX_FS_DBL, d,
percent_left);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_PERCENT_RIGHT))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%spercent_right=" ZBX_FS_DBL, d,
percent_right);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_YMIN_TYPE))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%symin_type=%d", d,
(int)ymin_type);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_YMIN_ITEMID))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%symin_itemid=%s", d,
DBsql_id_ins(graph->ymin_itemid));
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_YMAX_TYPE))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%symax_type=%d", d,
(int)ymax_type);
d = ",";
}
if (0 != (graph->flags & ZBX_FLAG_LLD_GRAPH_UPDATE_YMAX_ITEMID))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%symax_itemid=%s", d,
DBsql_id_ins(graph->ymax_itemid));
}
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, " where graphid=" ZBX_FS_UI64 ";\n",
graph->graphid);
}
for (j = 0; j < graph->gitems.values_num; j++)
{
gitem = (zbx_lld_gitem_t *)graph->gitems.values[j];
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_DELETE))
continue;
if (0 == (gitem->flags & ZBX_FLAG_LLD_GITEM_DISCOVERED))
continue;
if (0 == gitem->gitemid)
{
zbx_db_insert_add_values(&db_insert_gitems, gitemid, graph->graphid, gitem->itemid,
(int)gitem->drawtype, gitem->sortorder, gitem->color,
(int)gitem->yaxisside, (int)gitem->calc_fnc, (int)gitem->type);
gitem->gitemid = gitemid++;
}
}
}
for (i = 0; i < upd_gitems.values_num; i++)
{
const char *d = "";
gitem = (zbx_lld_gitem_t *)upd_gitems.values[i];
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "update graphs_items set ");
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE_ITEMID))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "itemid=" ZBX_FS_UI64, gitem->itemid);
d = ",";
}
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE_DRAWTYPE))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sdrawtype=%d", d, (int)gitem->drawtype);
d = ",";
}
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE_SORTORDER))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%ssortorder=%d", d, gitem->sortorder);
d = ",";
}
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE_COLOR))
{
color_esc = DBdyn_escape_string(gitem->color);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%scolor='%s'", d, color_esc);
zbx_free(color_esc);
d = ",";
}
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE_YAXISSIDE))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%syaxisside=%d", d,
(int)gitem->yaxisside);
d = ",";
}
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE_CALC_FNC))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%scalc_fnc=%d", d, (int)gitem->calc_fnc);
d = ",";
}
if (0 != (gitem->flags & ZBX_FLAG_LLD_GITEM_UPDATE_TYPE))
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%stype=%d", d, (int)gitem->type);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, " where gitemid=" ZBX_FS_UI64 ";\n",
gitem->gitemid);
}
if (0 != del_gitemids.values_num)
{
zbx_vector_uint64_sort(&del_gitemids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "delete from graphs_items where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "gitemid",
del_gitemids.values, del_gitemids.values_num);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ";\n");
}
if (0 != upd_graphs || 0 != upd_gitems.values_num || 0 != del_gitemids.values_num)
{
DBend_multiple_update(&sql, &sql_alloc, &sql_offset);
DBexecute("%s", sql);
zbx_free(sql);
}
if (0 != new_graphs)
{
zbx_db_insert_execute(&db_insert);
zbx_db_insert_clean(&db_insert);
zbx_db_insert_execute(&db_insert_gdiscovery);
zbx_db_insert_clean(&db_insert_gdiscovery);
}
if (0 != new_gitems)
{
zbx_db_insert_execute(&db_insert_gitems);
zbx_db_insert_clean(&db_insert_gitems);
}
DBcommit();
out:
zbx_vector_uint64_destroy(&del_gitemids);
zbx_vector_ptr_destroy(&upd_gitems);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: process_deleted_records *
* *
* Purpose: *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void process_deleted_records(int nodeid, char *data)
{
const char *__function_name = "process_deleted_records";
typedef struct
{
const ZBX_TABLE *table;
zbx_vector_uint64_t recids;
void *next;
}
zbx_records_t;
char *r, *lf;
zbx_uint64_t recid;
char *sql = NULL;
size_t sql_alloc = 4 * ZBX_KIBIBYTE, sql_offset = 0;
zbx_records_t *first = NULL, *rec;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
for (r = data; '\0' != *r;)
{
if (NULL != (lf = strchr(r, '\n')))
*lf = '\0';
zbx_get_next_field((const char **)&r, &buf, &buf_alloc, ZBX_DM_DELIMITER); /* table name */
if (NULL == first || 0 != strcmp(first->table->table, buf))
{
rec = zbx_malloc(NULL, sizeof(zbx_records_t));
if (NULL == (rec->table = DBget_table(buf)))
{
zabbix_log(LOG_LEVEL_DEBUG, "%s(): cannot find table [%s]", __function_name, buf);
zbx_free(rec);
goto next;
}
zbx_vector_uint64_create(&rec->recids);
rec->next = first;
first = rec;
}
zbx_get_next_field((const char **)&r, &buf, &buf_alloc, ZBX_DM_DELIMITER); /* record id */
ZBX_STR2UINT64(recid, buf);
zbx_get_next_field((const char **)&r, &buf, &buf_alloc, ZBX_DM_DELIMITER); /* operation type */
if ('2' == *buf) /* deleted record */
zbx_vector_uint64_append(&rec->recids, recid);
next:
if (lf != NULL)
{
*lf++ = '\n';
r = lf;
}
else
break;
}
sql = zbx_malloc(sql, sql_alloc);
DBbegin_multiple_update(&sql, &sql_alloc, &sql_offset);
for (rec = first; NULL != rec; rec = rec->next)
{
if (0 == rec->recids.values_num)
continue;
zbx_vector_uint64_sort(&rec->recids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "delete from %s where", rec->table->table);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, rec->table->recid,
rec->recids.values, rec->recids.values_num);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ";\n");
DBexecute_overflowed_sql(&sql, &sql_alloc, &sql_offset);
}
DBend_multiple_update(&sql, &sql_alloc, &sql_offset);
if (sql_offset > 16) /* in ORACLE always present begin..end; */
DBexecute("%s", sql);
zbx_free(sql);
while (NULL != first)
{
rec = first;
first = rec->next;
zbx_vector_uint64_destroy(&rec->recids);
zbx_free(rec);
}
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: housekeeping_cleanup *
* *
* Purpose: remove deleted items data *
* *
* Return value: number of rows deleted *
* *
* Author: Alexei Vladishev, Dmitry Borovikov *
* *
* Comments: sqlite3 does not use CONFIG_MAX_HOUSEKEEPER_DELETE, deletes all *
* *
******************************************************************************/
static int housekeeping_cleanup()
{
const char *__function_name = "housekeeping_cleanup";
DB_HOUSEKEEPER housekeeper;
DB_RESULT result;
DB_ROW row;
int d, deleted = 0;
zbx_vector_uint64_t housekeeperids;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_uint64_create(&housekeeperids);
/* order by tablename to effectively use DB cache */
result = DBselect(
"select housekeeperid,tablename,field,value"
" from housekeeper"
" order by tablename");
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(housekeeper.housekeeperid, row[0]);
housekeeper.tablename = row[1];
housekeeper.field = row[2];
ZBX_STR2UINT64(housekeeper.value, row[3]);
if (0 == CONFIG_MAX_HOUSEKEEPER_DELETE)
{
d = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64,
housekeeper.tablename,
housekeeper.field,
housekeeper.value);
}
else
{
#if defined(HAVE_IBM_DB2) || defined(HAVE_ORACLE)
d = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64
" and rownum<=%d",
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_MYSQL)
d = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64 " limit %d",
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_POSTGRESQL)
d = DBexecute(
"delete from %s"
" where ctid = any(array(select ctid from %s"
" where %s=" ZBX_FS_UI64 " limit %d))",
housekeeper.tablename,
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_SQLITE3)
d = 0;
#endif
}
if (0 == d || 0 == CONFIG_MAX_HOUSEKEEPER_DELETE || CONFIG_MAX_HOUSEKEEPER_DELETE > d)
zbx_vector_uint64_append(&housekeeperids, housekeeper.housekeeperid);
deleted += d;
}
DBfree_result(result);
if (0 != housekeeperids.values_num)
{
char *sql = NULL;
size_t sql_alloc = 512, sql_offset = 0;
sql = zbx_malloc(sql, sql_alloc);
zbx_vector_uint64_sort(&housekeeperids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "delete from housekeeper where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "housekeeperid",
housekeeperids.values, housekeeperids.values_num);
DBexecute("%s", sql);
zbx_free(sql);
}
zbx_vector_uint64_destroy(&housekeeperids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%d", __function_name, deleted);
return deleted;
}
/******************************************************************************
* *
* Function: lld_triggers_save *
* *
* Purpose: add or update triggers in database based on discovery rule *
* *
******************************************************************************/
static void lld_triggers_save(zbx_uint64_t parent_triggerid, zbx_vector_ptr_t *triggers, unsigned char status,
unsigned char type, unsigned char priority, const char *url)
{
const char *__function_name = "lld_triggers_save";
int i, j, new_triggers = 0, upd_triggers = 0, new_functions = 0;
zbx_lld_trigger_t *trigger;
zbx_lld_function_t *function;
zbx_vector_ptr_t upd_functions; /* the ordered list of functions which will be updated */
zbx_vector_uint64_t del_functionids;
zbx_uint64_t triggerid = 0, functionid = 0;
unsigned char flags = ZBX_FLAG_LLD_TRIGGER_UNSET;
char *sql = NULL, *url_esc = NULL, *function_esc, *parameter_esc;
size_t sql_alloc = 8 * ZBX_KIBIBYTE, sql_offset = 0;
zbx_db_insert_t db_insert, db_insert_tdiscovery, db_insert_tfunctions;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_ptr_create(&upd_functions);
zbx_vector_uint64_create(&del_functionids);
for (i = 0; i < triggers->values_num; i++)
{
trigger = (zbx_lld_trigger_t *)triggers->values[i];
if (0 == (trigger->flags & ZBX_FLAG_LLD_TRIGGER_DISCOVERED))
continue;
if (0 == trigger->triggerid)
{
new_triggers++;
}
else if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE))
{
upd_triggers++;
flags |= trigger->flags;
}
for (j = 0; j < trigger->functions.values_num; j++)
{
function = (zbx_lld_function_t *)trigger->functions.values[j];
if (0 != (function->flags & ZBX_FLAG_LLD_FUNCTION_DELETE))
{
zbx_vector_uint64_append(&del_functionids, function->functionid);
continue;
}
if (0 == (function->flags & ZBX_FLAG_LLD_FUNCTION_DISCOVERED))
continue;
if (0 == function->functionid)
new_functions++;
else if (0 != (function->flags & ZBX_FLAG_LLD_FUNCTION_UPDATE))
zbx_vector_ptr_append(&upd_functions, function);
}
}
if (0 == new_triggers && 0 == new_functions && 0 == upd_triggers && 0 == upd_functions.values_num &&
0 == del_functionids.values_num)
{
goto out;
}
DBbegin();
if (0 != new_triggers)
{
triggerid = DBget_maxid_num("triggers", new_triggers);
zbx_db_insert_prepare(&db_insert, "triggers", "triggerid", "description", "expression", "priority",
"status", "comments", "url", "type", "value", "state", "flags", NULL);
zbx_db_insert_prepare(&db_insert_tdiscovery, "trigger_discovery", "triggerid", "parent_triggerid",
NULL);
}
if (0 != new_functions)
{
functionid = DBget_maxid_num("functions", new_functions);
zbx_db_insert_prepare(&db_insert_tfunctions, "functions", "functionid", "itemid", "triggerid",
"function", "parameter", NULL);
}
if (0 != upd_triggers || 0 != upd_functions.values_num || 0 != del_functionids.values_num)
{
sql = zbx_malloc(sql, sql_alloc);
DBbegin_multiple_update(&sql, &sql_alloc, &sql_offset);
}
if (0 != (flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_URL))
url_esc = DBdyn_escape_string(url);
for (i = 0; i < triggers->values_num; i++)
{
char *description_esc, *expression_esc, *comments_esc;
trigger = (zbx_lld_trigger_t *)triggers->values[i];
if (0 == (trigger->flags & ZBX_FLAG_LLD_TRIGGER_DISCOVERED))
continue;
for (j = 0; j < trigger->functions.values_num; j++)
{
function = (zbx_lld_function_t *)trigger->functions.values[j];
if (0 != (function->flags & ZBX_FLAG_LLD_FUNCTION_DELETE))
continue;
if (0 == (function->flags & ZBX_FLAG_LLD_FUNCTION_DISCOVERED))
continue;
if (0 == function->functionid)
{
zbx_db_insert_add_values(&db_insert_tfunctions, functionid, function->itemid,
(0 == trigger->triggerid ? triggerid : trigger->triggerid),
function->function, function->parameter);
function->functionid = functionid++;
}
}
if (0 == trigger->triggerid || 0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_EXPRESSION))
lld_expression_create(&trigger->expression, &trigger->functions);
if (0 == trigger->triggerid)
{
zbx_db_insert_add_values(&db_insert, triggerid, trigger->description, trigger->expression,
(int)priority, (int)status, trigger->comments, url, (int)type,
(int)TRIGGER_VALUE_OK, (int)TRIGGER_STATE_NORMAL,
(int)ZBX_FLAG_DISCOVERY_CREATED);
zbx_db_insert_add_values(&db_insert_tdiscovery, triggerid, parent_triggerid);
trigger->triggerid = triggerid++;
}
else if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE))
{
const char *d = "";
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "update triggers set ");
if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_DESCRIPTION))
{
description_esc = DBdyn_escape_string(trigger->description);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "description='%s'",
description_esc);
zbx_free(description_esc);
d = ",";
}
if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_EXPRESSION))
{
expression_esc = DBdyn_escape_string(trigger->expression);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sexpression='%s'", d,
expression_esc);
zbx_free(expression_esc);
d = ",";
}
if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_TYPE))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%stype=%d", d, (int)type);
d = ",";
}
if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_PRIORITY))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%spriority=%d", d, (int)priority);
d = ",";
}
if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_COMMENTS))
{
comments_esc = DBdyn_escape_string(trigger->comments);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%scomments='%s'", d,
comments_esc);
zbx_free(comments_esc);
d = ",";
}
if (0 != (trigger->flags & ZBX_FLAG_LLD_TRIGGER_UPDATE_URL))
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%surl='%s'", d, url_esc);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
" where triggerid=" ZBX_FS_UI64 ";\n", trigger->triggerid);
}
}
zbx_free(url_esc);
zbx_vector_ptr_sort(&upd_functions, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
for (i = 0; i < upd_functions.values_num; i++)
{
const char *d = "";
function = (zbx_lld_function_t *)upd_functions.values[i];
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "update functions set ");
if (0 != (function->flags & ZBX_FLAG_LLD_FUNCTION_UPDATE_ITEMID))
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "itemid=" ZBX_FS_UI64,
function->itemid);
d = ",";
}
if (0 != (function->flags & ZBX_FLAG_LLD_FUNCTION_UPDATE_FUNCTION))
{
function_esc = DBdyn_escape_string(function->function);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sfunction='%s'", d,
function_esc);
zbx_free(function_esc);
d = ",";
}
if (0 != (function->flags & ZBX_FLAG_LLD_FUNCTION_UPDATE_PARAMETER))
{
parameter_esc = DBdyn_escape_string(function->parameter);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "%sparameter='%s'", d,
parameter_esc);
zbx_free(parameter_esc);
}
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
" where functionid=" ZBX_FS_UI64 ";\n", function->functionid);
}
if (0 != del_functionids.values_num)
{
zbx_vector_uint64_sort(&del_functionids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, "delete from functions where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "functionid",
del_functionids.values, del_functionids.values_num);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, ";\n");
}
if (0 != upd_triggers || 0 != upd_functions.values_num || 0 != del_functionids.values_num)
{
DBend_multiple_update(&sql, &sql_alloc, &sql_offset);
DBexecute("%s", sql);
zbx_free(sql);
}
if (0 != new_triggers)
{
zbx_db_insert_execute(&db_insert);
zbx_db_insert_clean(&db_insert);
zbx_db_insert_execute(&db_insert_tdiscovery);
zbx_db_insert_clean(&db_insert_tdiscovery);
}
if (0 != new_functions)
{
zbx_db_insert_execute(&db_insert_tfunctions);
zbx_db_insert_clean(&db_insert_tfunctions);
}
DBcommit();
out:
zbx_vector_uint64_destroy(&del_functionids);
zbx_vector_ptr_destroy(&upd_functions);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: get_template_lld_rule_map *
* *
* Purpose: reads template lld rule conditions and host lld_rule identifiers *
* from database *
* *
* Parameters: items - [IN] the host items including lld rules *
* rules - [OUT] the ldd rule mapping *
* *
******************************************************************************/
static void get_template_lld_rule_map(const zbx_vector_ptr_t *items, zbx_vector_ptr_t *rules)
{
zbx_template_item_t *item;
zbx_lld_rule_map_t *rule;
zbx_lld_rule_condition_t *condition;
int i, index;
zbx_vector_uint64_t itemids;
DB_RESULT result;
DB_ROW row;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_uint64_t itemid, item_conditionid;
zbx_vector_uint64_create(&itemids);
/* prepare discovery rules */
for (i = 0; i < items->values_num; i++)
{
item = items->values[i];
if (0 == (ZBX_FLAG_DISCOVERY_RULE & item->flags))
continue;
rule = zbx_malloc(NULL, sizeof(zbx_lld_rule_map_t));
rule->itemid = item->itemid;
rule->templateid = item->templateid;
rule->conditionid = 0;
zbx_vector_uint64_create(&rule->conditionids);
zbx_vector_ptr_create(&rule->conditions);
zbx_vector_ptr_append(rules, rule);
if (0 != rule->itemid)
zbx_vector_uint64_append(&itemids, rule->itemid);
zbx_vector_uint64_append(&itemids, rule->templateid);
}
if (0 != itemids.values_num)
{
zbx_vector_ptr_sort(rules, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
zbx_vector_uint64_sort(&itemids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
"select item_conditionid,itemid,operator,macro,value from item_condition where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "itemid", itemids.values, itemids.values_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(itemid, row[1]);
index = zbx_vector_ptr_bsearch(rules, &itemid, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
if (FAIL != index)
{
/* read template lld conditions */
rule = (zbx_lld_rule_map_t *)rules->values[index];
condition = zbx_malloc(NULL, sizeof(zbx_lld_rule_condition_t));
ZBX_STR2UINT64(condition->item_conditionid, row[0]);
ZBX_STR2UCHAR(condition->operator, row[2]);
condition->macro = zbx_strdup(NULL, row[3]);
condition->value = zbx_strdup(NULL, row[4]);
zbx_vector_ptr_append(&rule->conditions, condition);
}
else
{
/* read host lld conditions identifiers */
for (i = 0; i < rules->values_num; i++)
{
rule = (zbx_lld_rule_map_t *)rules->values[i];
if (itemid != rule->itemid)
continue;
ZBX_STR2UINT64(item_conditionid, row[0]);
zbx_vector_uint64_append(&rule->conditionids, item_conditionid);
break;
}
if (i == rules->values_num)
THIS_SHOULD_NEVER_HAPPEN;
}
}
DBfree_result(result);
zbx_free(sql);
}
zbx_vector_uint64_destroy(&itemids);
}
/******************************************************************************
* *
* Function: lld_functions_get *
* *
* Purpose: retrieve functions which are used by all triggers in the host of *
* the trigger prototype *
* *
******************************************************************************/
static void lld_functions_get(zbx_uint64_t parent_triggerid, zbx_vector_ptr_t *functions_proto,
zbx_vector_ptr_t *triggers)
{
const char *__function_name = "lld_functions_get";
int i;
zbx_lld_trigger_t *trigger;
zbx_vector_uint64_t triggerids;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_uint64_create(&triggerids);
if (0 != parent_triggerid)
zbx_vector_uint64_append(&triggerids, parent_triggerid);
for (i = 0; i < triggers->values_num; i++)
{
trigger = (zbx_lld_trigger_t *)triggers->values[i];
zbx_vector_uint64_append(&triggerids, trigger->triggerid);
}
if (0 != triggerids.values_num)
{
DB_RESULT result;
DB_ROW row;
zbx_lld_function_t *function;
zbx_uint64_t triggerid;
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
int index;
zbx_vector_uint64_sort(&triggerids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
sql = zbx_malloc(sql, sql_alloc);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
"select functionid,triggerid,itemid,function,parameter"
" from functions"
" where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "triggerid",
triggerids.values, triggerids.values_num);
result = DBselect("%s", sql);
zbx_free(sql);
while (NULL != (row = DBfetch(result)))
{
function = zbx_malloc(NULL, sizeof(zbx_lld_function_t));
function->index = 0;
ZBX_STR2UINT64(function->functionid, row[0]);
ZBX_STR2UINT64(triggerid, row[1]);
ZBX_STR2UINT64(function->itemid, row[2]);
function->itemid_orig = 0;
function->function = zbx_strdup(NULL, row[3]);
function->function_orig = NULL;
function->parameter = zbx_strdup(NULL, row[4]);
function->parameter_orig = NULL;
function->flags = ZBX_FLAG_LLD_FUNCTION_UNSET;
if (0 != parent_triggerid && triggerid == parent_triggerid)
{
zbx_vector_ptr_append(functions_proto, function);
}
else if (FAIL != (index = zbx_vector_ptr_bsearch(triggers, &triggerid,
ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC)))
{
trigger = (zbx_lld_trigger_t *)triggers->values[index];
zbx_vector_ptr_append(&trigger->functions, function);
}
else
{
THIS_SHOULD_NEVER_HAPPEN;
lld_function_free(function);
}
}
DBfree_result(result);
if (NULL != functions_proto)
zbx_vector_ptr_sort(functions_proto, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
for (i = 0; i < triggers->values_num; i++)
{
trigger = (zbx_lld_trigger_t *)triggers->values[i];
zbx_vector_ptr_sort(&trigger->functions, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
}
}
zbx_vector_uint64_destroy(&triggerids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: save_template_item_applications *
* *
* Purpose: saves new item applications links in database *
* *
* Parameters: items - [IN] the template items *
* *
******************************************************************************/
void save_template_item_applications(zbx_vector_ptr_t *items)
{
typedef struct
{
zbx_uint64_t itemid;
zbx_uint64_t applicationid;
}
zbx_itemapp_t;
DB_RESULT result;
DB_ROW row;
char *sql = NULL;
size_t sql_alloc = 0, sql_offset = 0;
zbx_vector_uint64_t itemids;
zbx_vector_ptr_t itemapps;
zbx_itemapp_t *itemapp;
int i;
zbx_db_insert_t db_insert;
zbx_vector_ptr_create(&itemapps);
zbx_vector_uint64_create(&itemids);
for (i = 0; i < items->values_num; i++)
{
zbx_template_item_t *item = items->values[i];
zbx_vector_uint64_append(&itemids, item->itemid);
}
zbx_vector_uint64_sort(&itemids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
"select hi.itemid,ha.applicationid"
" from items_applications tia"
" join items hi on hi.templateid=tia.itemid"
" and");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "hi.itemid", itemids.values, itemids.values_num);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset,
" join application_template hat on hat.templateid=tia.applicationid"
" join applications ha on ha.applicationid=hat.applicationid"
" and ha.hostid=hi.hostid"
" left join items_applications hia on hia.applicationid=ha.applicationid"
" and hia.itemid=hi.itemid"
" where hia.itemappid is null");
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
itemapp = zbx_malloc(NULL, sizeof(zbx_itemapp_t));
ZBX_STR2UINT64(itemapp->itemid, row[0]);
ZBX_STR2UINT64(itemapp->applicationid, row[1]);
zbx_vector_ptr_append(&itemapps, itemapp);
}
DBfree_result(result);
if (0 == itemapps.values_num)
goto out;
zbx_db_insert_prepare(&db_insert, "items_applications", "itemappid", "itemid", "applicationid", NULL);
for (i = 0; i < itemapps.values_num; i++)
{
itemapp = itemapps.values[i];
zbx_db_insert_add_values(&db_insert, __UINT64_C(0), itemapp->itemid, itemapp->applicationid);
}
zbx_db_insert_autoincrement(&db_insert, "itemappid");
zbx_db_insert_execute(&db_insert);
zbx_db_insert_clean(&db_insert);
out:
zbx_free(sql);
zbx_vector_uint64_destroy(&itemids);
zbx_vector_ptr_clear_ext(&itemapps, zbx_ptr_free);
zbx_vector_ptr_destroy(&itemapps);
}
/******************************************************************************
* *
* Function: lld_triggers_validate *
* *
* Parameters: triggers - [IN] sorted list of triggers *
* *
******************************************************************************/
static void lld_triggers_validate(zbx_uint64_t hostid, zbx_vector_ptr_t *triggers, char **error)
{
const char *__function_name = "lld_triggers_validate";
int i, j, k;
zbx_lld_trigger_t *trigger;
zbx_lld_function_t *function;
zbx_vector_uint64_t triggerids;
zbx_vector_str_t descriptions;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_vector_uint64_create(&triggerids);
zbx_vector_str_create(&descriptions);
/* checking a validity of the fields */
for (i = 0; i < triggers->values_num; i++)
{
trigger = (zbx_lld_trigger_t *)triggers->values[i];
lld_validate_trigger_field(trigger, &trigger->description, &trigger->description_orig,
ZBX_FLAG_LLD_TRIGGER_UPDATE_DESCRIPTION, TRIGGER_DESCRIPTION_LEN, error);
lld_validate_trigger_field(trigger, &trigger->comments, &trigger->comments_orig,
ZBX_FLAG_LLD_TRIGGER_UPDATE_COMMENTS, TRIGGER_COMMENTS_LEN, error);
}
/* checking duplicated triggers in DB */
for (i = 0; i < triggers->values_num; i++)
{
trigger = (zbx_lld_trigger_t *)triggers->values[i];
if (0 == (trigger->flags & ZBX_FLAG_LLD_TRIGGER_DISCOVERED))
continue;
if (0 != trigger->triggerid)
{
zbx_vector_uint64_append(&triggerids, trigger->triggerid);
if (SUCCEED != lld_trigger_changed(trigger))
continue;
}
zbx_vector_str_append(&descriptions, trigger->description);
}
if (0 != descriptions.values_num)
{
char *sql = NULL;
size_t sql_alloc = 256, sql_offset = 0;
DB_RESULT result;
DB_ROW row;
zbx_vector_ptr_t db_triggers;
zbx_lld_trigger_t *db_trigger;
zbx_vector_ptr_create(&db_triggers);
zbx_vector_str_sort(&descriptions, ZBX_DEFAULT_STR_COMPARE_FUNC);
zbx_vector_str_uniq(&descriptions, ZBX_DEFAULT_STR_COMPARE_FUNC);
sql = zbx_malloc(sql, sql_alloc);
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select distinct t.triggerid,t.description,t.expression"
" from triggers t,functions f,items i"
" where t.triggerid=f.triggerid"
" and f.itemid=i.itemid"
" and i.hostid=" ZBX_FS_UI64
" and",
hostid);
DBadd_str_condition_alloc(&sql, &sql_alloc, &sql_offset, "t.description",
(const char **)descriptions.values, descriptions.values_num);
if (0 != triggerids.values_num)
{
zbx_vector_uint64_sort(&triggerids, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, " and not");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "t.triggerid",
triggerids.values, triggerids.values_num);
}
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
db_trigger = zbx_malloc(NULL, sizeof(zbx_lld_trigger_t));
ZBX_STR2UINT64(db_trigger->triggerid, row[0]);
db_trigger->description = zbx_strdup(NULL, row[1]);
db_trigger->description_orig = NULL;
db_trigger->expression = zbx_strdup(NULL, row[2]);
db_trigger->expression_orig = NULL;
db_trigger->comments = NULL;
db_trigger->comments_orig = NULL;
db_trigger->flags = ZBX_FLAG_LLD_TRIGGER_UNSET;
zbx_vector_ptr_create(&db_trigger->functions);
zbx_vector_ptr_append(&db_triggers, db_trigger);
}
DBfree_result(result);
zbx_vector_ptr_sort(&db_triggers, ZBX_DEFAULT_UINT64_PTR_COMPARE_FUNC);
lld_functions_get(0, NULL, &db_triggers);
for (i = 0; i < db_triggers.values_num; i++)
{
db_trigger = (zbx_lld_trigger_t *)db_triggers.values[i];
lld_expression_simplify(&db_trigger->expression, &db_trigger->functions);
for (j = 0; j < triggers->values_num; j++)
{
trigger = (zbx_lld_trigger_t *)triggers->values[j];
if (0 == (trigger->flags & ZBX_FLAG_LLD_TRIGGER_DISCOVERED))
continue;
if (SUCCEED != lld_triggers_equal(trigger, db_trigger))
continue;
*error = zbx_strdcatf(*error, "Cannot %s trigger: trigger \"%s\" already exists.\n",
(0 != trigger->triggerid ? "update" : "create"), trigger->description);
if (0 != trigger->triggerid)
{
lld_field_str_rollback(&trigger->description, &trigger->description_orig,
&trigger->flags, ZBX_FLAG_LLD_TRIGGER_UPDATE_DESCRIPTION);
lld_field_str_rollback(&trigger->expression, &trigger->expression_orig,
&trigger->flags, ZBX_FLAG_LLD_TRIGGER_UPDATE_EXPRESSION);
for (k = 0; k < trigger->functions.values_num; k++)
{
function = (zbx_lld_function_t *)trigger->functions.values[k];
if (0 != function->functionid)
{
lld_field_uint64_rollback(&function->itemid,
&function->itemid_orig,
&function->flags,
ZBX_FLAG_LLD_FUNCTION_UPDATE_ITEMID);
lld_field_str_rollback(&function->function,
&function->function_orig,
&function->flags,
ZBX_FLAG_LLD_FUNCTION_UPDATE_FUNCTION);
lld_field_str_rollback(&function->parameter,
&function->parameter_orig,
&function->flags,
ZBX_FLAG_LLD_FUNCTION_UPDATE_PARAMETER);
function->flags &= ~ZBX_FLAG_LLD_FUNCTION_DELETE;
}
else
function->flags &= ~ZBX_FLAG_LLD_FUNCTION_DISCOVERED;
}
}
else
trigger->flags &= ~ZBX_FLAG_LLD_TRIGGER_DISCOVERED;
break; /* only one same trigger can be here */
}
}
zbx_vector_ptr_clean(&db_triggers, (zbx_mem_free_func_t)lld_trigger_free);
zbx_vector_ptr_destroy(&db_triggers);
zbx_free(sql);
}
zbx_vector_str_destroy(&descriptions);
zbx_vector_uint64_destroy(&triggerids);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: evaluate_aggregate *
* *
* Parameters: item - [IN] aggregated item *
* grp_func - [IN] one of ZBX_GRP_FUNC_* *
* groups - [IN] list of comma-separated host groups *
* itemkey - [IN] item key to aggregate *
* item_func - [IN] one of ZBX_DB_GET_HIST_* *
* param - [IN] item_func parameter (optional) *
* *
* Return value: SUCCEED - aggregate item evaluated successfully *
* FAIL - otherwise *
* *
******************************************************************************/
static int evaluate_aggregate(DC_ITEM *item, AGENT_RESULT *res, int grp_func, const char *groups,
const char *itemkey, int item_func, const char *param)
{
const char *__function_name = "evaluate_aggregate";
char *sql = NULL;
size_t sql_alloc = 1024, sql_offset = 0;
zbx_uint64_t itemid;
zbx_vector_uint64_t itemids;
DB_RESULT result;
DB_ROW row;
unsigned char value_type;
history_value_t value;
int num = 0, ret = FAIL;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() grp_func:%d groups:'%s' itemkey:'%s' item_func:%d param:'%s'",
__function_name, grp_func, groups, itemkey, item_func, param);
memset(&value, 0, sizeof(value));
zbx_vector_uint64_create(&itemids);
aggregate_get_items(&itemids, groups, itemkey);
if (0 == itemids.values_num)
{
SET_MSG_RESULT(res, zbx_dsprintf(NULL, "No items for key [%s] in group(s) [%s]", itemkey, groups));
goto clean;
}
sql = zbx_malloc(sql, sql_alloc);
if (ZBX_DB_GET_HIST_VALUE == item_func)
{
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select value_type,lastvalue"
" from items"
" where lastvalue is not null"
" and value_type in (%d,%d)"
" and",
ITEM_VALUE_TYPE_FLOAT, ITEM_VALUE_TYPE_UINT64);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "itemid", itemids.values, itemids.values_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
value_type = (unsigned char)atoi(row[0]);
evaluate_one(item, &value, &num, grp_func, row[1], value_type);
}
DBfree_result(result);
}
else
{
int clock_from;
unsigned int period;
char **h_value;
if (FAIL == is_uint_suffix(param, &period))
{
SET_MSG_RESULT(res, zbx_strdup(NULL, "Invalid fourth parameter"));
goto clean;
}
clock_from = time(NULL) - period;
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
"select itemid,value_type"
" from items"
" where value_type in (%d,%d)"
" and",
ITEM_VALUE_TYPE_FLOAT, ITEM_VALUE_TYPE_UINT64);
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, "itemid", itemids.values, itemids.values_num);
result = DBselect("%s", sql);
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(itemid, row[0]);
value_type = (unsigned char)atoi(row[1]);
h_value = DBget_history(itemid, value_type, item_func, clock_from, 0, NULL, NULL, 0);
if (NULL != h_value[0])
evaluate_one(item, &value, &num, grp_func, h_value[0], value_type);
DBfree_history(h_value);
}
DBfree_result(result);
}
if (0 == num)
{
SET_MSG_RESULT(res, zbx_dsprintf(NULL, "No values for key \"%s\" in group(s) \"%s\"", itemkey, groups));
goto clean;
}
if (ZBX_GRP_FUNC_AVG == grp_func)
{
switch (item->value_type)
{
case ITEM_VALUE_TYPE_FLOAT:
value.dbl = value.dbl / num;
break;
case ITEM_VALUE_TYPE_UINT64:
value.ui64 = value.ui64 / num;
break;
default:
assert(0);
}
}
if (ITEM_VALUE_TYPE_FLOAT == item->value_type)
SET_DBL_RESULT(res, value.dbl);
else
SET_UI64_RESULT(res, value.ui64);
ret = SUCCEED;
clean:
zbx_vector_uint64_destroy(&itemids);
zbx_free(sql);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Function: housekeeping_process_log *
* *
* Purpose: process table 'housekeeper' and remove data if required *
* *
* Parameters: *
* *
* Return value: SUCCEED - information removed successfully *
* FAIL - otherwise *
* *
* Author: Alexei Vladishev, Dmitry Borovikov *
* *
* Comments: sqlite3 does not use CONFIG_MAX_HOUSEKEEPER_DELETE, deletes all *
* *
******************************************************************************/
static int housekeeping_process_log()
{
const char *__function_name = "housekeeping_process_log";
DB_HOUSEKEEPER housekeeper;
DB_RESULT result;
DB_ROW row;
long deleted;
char *sql = NULL;
int sql_alloc = 512, sql_offset = 0;
zbx_uint64_t *ids = NULL;
int ids_alloc = 0, ids_num = 0;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
/* order by tablename to effectively use DB cache */
result = DBselect(
"select housekeeperid,tablename,field,value"
" from housekeeper"
" order by tablename");
while (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(housekeeper.housekeeperid, row[0]);
housekeeper.tablename = row[1];
housekeeper.field = row[2];
ZBX_STR2UINT64(housekeeper.value, row[3]);
if (0 == CONFIG_MAX_HOUSEKEEPER_DELETE)
{
deleted = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64,
housekeeper.tablename,
housekeeper.field,
housekeeper.value);
}
else
{
#ifdef HAVE_ORACLE
deleted = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64
" and rownum<=%d",
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_POSTGRESQL)
deleted = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64
" and oid in (select oid from %s"
" where %s=" ZBX_FS_UI64 " limit %d)",
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#elif defined(HAVE_MYSQL)
deleted = DBexecute(
"delete from %s"
" where %s=" ZBX_FS_UI64 " limit %d",
housekeeper.tablename,
housekeeper.field,
housekeeper.value,
CONFIG_MAX_HOUSEKEEPER_DELETE);
#else /* HAVE_SQLITE3 */
deleted = 0;
#endif
}
if (0 == deleted || 0 == CONFIG_MAX_HOUSEKEEPER_DELETE ||
CONFIG_MAX_HOUSEKEEPER_DELETE > deleted)
uint64_array_add(&ids, &ids_alloc, &ids_num, housekeeper.housekeeperid, 64);
if (deleted > 0)
{
zabbix_log( LOG_LEVEL_DEBUG, "Deleted [%ld] records from table [%s]",
deleted, housekeeper.tablename);
}
}
DBfree_result(result);
if (NULL != ids)
{
sql = zbx_malloc(sql, sql_alloc * sizeof(char));
zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, 32,
"delete from housekeeper where");
DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset,
"housekeeperid", ids, ids_num);
DBexecute("%s", sql);
zbx_free(sql);
zbx_free(ids);
}
return SUCCEED;
}
