';
break;
case 2:
return '
';
break;
case 4:
return '
';
break;
case 5:
return '
';
break;
case 6:
return '
';
break;
default: return "--";
}
}
/**
* Get a module category name
*
* @param int Id category
*
* @return Name of the given category
*/
function give_modulecategory_name ($id_category) {
switch ($id_category) {
case 0:
return __('Software agent data');
break;
case 1:
return __('Software agent monitor');
break;
case 2:
return __('Network agent data');
break;
case 3:
return __('Network agent monitor');
break;
}
return __('Unknown');
}
/**
* Get a network component group name
*
* @param int Id network component group.
*
* @return string Name of the given network component group
*/
function give_network_component_group_name ($id_network_component_group) {
return (string) get_db_value ('name', 'tnetwork_component_group', 'id_sg', $id_network_component_group);
}
/**
* Get a network profile name.
*
* @param int Id network profile
*
* @return string Name of the given network profile.
*/
function get_networkprofile_name ($id_network_profile) {
return (string) get_db_value ('name', 'tnetwork_profile', 'id_np', $id_network_profile);
}
/**
* Assign an IP address to an agent.
*
* @param int Agent id
* @param string IP address to assign
*/
function agent_add_address ($id_agent, $ip_address) {
// Check if already is attached to agent
$sql = sprintf ("SELECT COUNT(`ip`) FROM taddress_agent, taddress
WHERE taddress_agent.id_a = taddress.id_a
AND ip = '%s' AND id_agent = %d",$ip_address,$id_agent);
$current_address = get_db_sql ($sql);
if ($current_address > 0)
return;
// Look for a record with this IP Address
$id_address = (int) get_db_value ('id_a', 'taddress', 'ip', $ip_address);
if ($id_address === 0) {
// Create IP address in tadress table
$sql = sprintf("INSERT INTO taddress (ip) VALUES ('%s')",$ip_address);
$id_address = process_sql ($sql, "insert_id");
}
// Add address to agent
$sql = sprintf("INSERT INTO taddress_agent
(id_a, id_agent) VALUES
(%d, %d)",$id_address, $id_agent);
process_sql ($sql);
}
/**
* Unassign an IP address from an agent.
*
* @param int Agent id
* @param string IP address to unassign
*/
function agent_delete_address ($id_agent, $ip_address) {
$sql = sprintf ("SELECT id_ag FROM taddress_agent, taddress
WHERE taddress_agent.id_a = taddress.id_a AND ip = '%s'
AND id_agent = %d",$ip_address, $id_agent);
$id_ag = get_db_sql ($sql);
if ($id_ag !== false) {
$sql = sprintf ("DELETE FROM taddress_agent WHERE id_ag = %d",$id_ag);
process_sql ($sql);
}
// Need to change main address?
if (get_agent_address ($id_agent) == $ip_address) {
$new_ips = get_agent_addresses ($id_agent);
// Change main address in agent to first one in the list
$query = sprintf ("UPDATE tagente SET `direccion` = '%s' WHERE id_agente = %d", current ($new_ips), $id_agent);
process_sql ($query);
}
}
/**
* Get address of an agent.
*
* @param int Agent id
*
* @return string The address of the given agent
*/
function get_agent_address ($id_agent) {
return (string) get_db_value ('direccion', 'tagente', 'id_agente', (int) $id_agent);
}
/**
* Get the agent that matches an IP address
*
* @param string IP address to get the agents.
*
* @return mixed The agent that has the IP address given. False if none were found.
*/
function get_agent_with_ip ($ip_address) {
$sql = sprintf ('SELECT tagente.*
FROM tagente, taddress, taddress_agent
WHERE tagente.id_agente = taddress_agent.id_agent
AND taddress_agent.id_a = taddress.id_a
AND ip = "%s"', $ip_address);
return get_db_row_sql ($sql);
}
/**
* Get all IP addresses of an agent
*
* @param int Agent id
*
* @return array Array with the IP address of the given agent or an empty array.
*/
function get_agent_addresses ($id_agent) {
$sql = sprintf ("SELECT ip FROM taddress_agent, taddress
WHERE taddress_agent.id_a = taddress.id_a
AND id_agent = %d", $id_agent);
$ips = get_db_all_rows_sql ($sql);
if ($ips === false) {
$ips = array ();
}
$ret_arr = array ();
foreach ($ips as $row) {
$ret_arr[$row["ip"]] = $row["ip"];
}
return $ret_arr;
}
/**
* Get agent id from an agent module.
*
* @param int Id of the agent module.
*
* @return int The agent if of the given module.
*/
function give_agent_id_from_module_id ($id_agent_module) {
return (int) get_db_value ('id_agente', 'tagente_modulo', 'id_agente_modulo', $id_agent_module);
}
$sql_cache = array ('saved' => 0);
/**
* Get the first value of the first row of a table in the database.
*
* @param string Field name to get
* @param string Table to retrieve the data
* @param string Field to filter elements
* @param string Condition the field must have
*
* @return mixed Value of first column of the first row. False if there were no row.
*/
function get_db_value ($field, $table, $field_search = 1, $condition = 1) {
if (is_int ($condition)) {
$sql = sprintf ("SELECT %s FROM %s WHERE %s = %d LIMIT 1",
$field, $table, $field_search, $condition);
} else if (is_float ($condition) || is_double ($condition)) {
$sql = sprintf ("SELECT %s FROM %s WHERE %s = %f LIMIT 1",
$field, $table, $field_search, $condition);
} else {
$sql = sprintf ("SELECT %s FROM %s WHERE %s = '%s' LIMIT 1",
$field, $table, $field_search, $condition);
}
$result = get_db_all_rows_sql ($sql);
if ($result === false)
return false;
if ($field[0] == '`')
$field = str_replace ('`', '', $field);
return $result[0][$field];
}
/**
* Get the first value of the first row of a table in the database from an
* array with filter conditions.
*
* Example:
get_db_value_filter ('name', 'talert_templates',
array ('value' => 2, 'type' => 'equal'));
// Equivalent to:
// SELECT name FROM talert_templates WHERE value = 2 AND type = 'equal' LIMIT 1
get_db_value_filter ('description', 'talert_templates',
array ('name' => 'My alert', 'type' => 'regex'), 'OR');
// Equivalent to:
// SELECT description FROM talert_templates WHERE name = 'My alert' OR type = 'equal' LIMIT 1
*
* @param string Field name to get
* @param string Table to retrieve the data
* @param array Conditions to filter the element. See format_array_to_where_clause_sql()
* for the format
* @param string Join operator for the elements in the filter.
*
* @return mixed Value of first column of the first row. False if there were no row.
*/
function get_db_value_filter ($field, $table, $filter, $where_join = 'AND') {
if (! is_array ($filter) || empty ($filter))
return false;
/* Avoid limit and offset if given */
unset ($filter['limit']);
unset ($filter['offset']);
$sql = sprintf ("SELECT %s FROM %s WHERE %s LIMIT 1",
$field, $table,
format_array_to_where_clause_sql ($filter, $where_join));
$result = get_db_all_rows_sql ($sql);
if ($result === false)
return false;
return $result[0][$field];
}
/**
* Get the first row of an SQL database query.
*
* @param string SQL select statement to execute.
*
* @return mixed The first row of the result or false
*/
function get_db_row_sql ($sql) {
$sql .= " LIMIT 1";
$result = get_db_all_rows_sql ($sql);
if($result === false)
return false;
return $result[0];
}
/**
* Get the first row of a database query into a table.
*
* The SQL statement executed would be something like:
* "SELECT (*||$fields) FROM $table WHERE $field_search = $condition"
*
* @param string Table to get the row
* @param string Field to filter elements
* @param string Condition the field must have.
* @param mixed Fields to select (array or string or false/empty for *)
*
* @return mixed The first row of a database query or false.
*/
function get_db_row ($table, $field_search, $condition, $fields = false) {
if (empty ($fields)) {
$fields = '*';
} else {
if (is_array ($fields))
$fields = implode (',', $fields);
else if (! is_string ($fields))
return false;
}
if (is_int ($condition)) {
$sql = sprintf ("SELECT %s FROM `%s` WHERE `%s` = %d LIMIT 1",
$fields, $table, $field_search, $condition);
} else if (is_float ($condition) || is_double ($condition)) {
$sql = sprintf ("SELECT %s FROM `%s` WHERE `%s` = %f LIMIT 1",
$fields, $table, $field_search, $condition);
} else {
$sql = sprintf ("SELECT %s FROM `%s` WHERE `%s` = '%s' LIMIT 1",
$fields, $table, $field_search, $condition);
}
$result = get_db_all_rows_sql ($sql);
if ($result === false)
return false;
return $result[0];
}
/**
* Get the row of a table in the database using a complex filter.
*
* @param string Table to retrieve the data (warning: not cleaned)
* @param mixed Filters elements. It can be an indexed array
* (keys would be the field name and value the expected value, and would be
* joined with an AND operator) or a string, including any SQL clause (without
* the WHERE keyword). Example:
Both are similars:
get_db_row_filter ('table', array ('disabled', 0));
get_db_row_filter ('table', 'disabled = 0');
Both are similars:
get_db_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name, description', 'OR');
get_db_row_filter ('table', 'disabled = 0 OR history_data = 0', 'name, description');
get_db_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), array ('name', 'description'), 'OR');
* @param mixed Fields of the table to retrieve. Can be an array or a coma
* separated string. All fields are retrieved by default
* @param string Condition to join the filters (AND, OR).
*
* @return mixed Array of the row or false in case of error.
*/
function get_db_row_filter ($table, $filter, $fields = false, $where_join = 'AND') {
if (empty ($fields)) {
$fields = '*';
} else {
if (is_array ($fields))
$fields = implode (',', $fields);
else if (! is_string ($fields))
return false;
}
if (is_array ($filter))
$filter = format_array_to_where_clause_sql ($filter, $where_join, ' WHERE ');
else if (is_string ($filter))
$filter = 'WHERE '.$filter;
else
$filter = '';
$sql = sprintf ('SELECT %s FROM %s %s',
$fields, $table, $filter);
return get_db_row_sql ($sql);
}
/**
* Get a single field in the databse from a SQL query.
*
* @param string SQL statement to execute
* @param mixed Field number or row to get, beggining by 0. Default: 0
*
* @return mixed The selected field of the first row in a select statement.
*/
function get_db_sql ($sql, $field = 0) {
$result = get_db_all_rows_sql ($sql);
if($result === false)
return false;
return $result[0][$field];
}
/**
* Get all the result rows using an SQL statement.
*
* @param string SQL statement to execute.
*
* @return mixed A matrix with all the values returned from the SQL statement or
* false in case of empty result
*/
function get_db_all_rows_sql ($sql) {
$return = process_sql ($sql);
if (! empty ($return))
return $return;
//Return false, check with === or !==
return false;
}
/**
* Get all the rows of a table in the database that matches a filter.
*
* @param string Table to retrieve the data (warning: not cleaned)
* @param mixed Filters elements. It can be an indexed array
* (keys would be the field name and value the expected value, and would be
* joined with an AND operator) or a string, including any SQL clause (without
* the WHERE keyword). Example:
Both are similars:
get_db_all_rows_filter ('table', array ('disabled', 0));
get_db_all_rows_filter ('table', 'disabled = 0');
Both are similars:
get_db_all_rows_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name', 'OR');
get_db_all_rows_filter ('table', 'disabled = 0 OR history_data = 0', 'name');
* @param mixed Fields of the table to retrieve. Can be an array or a coma
* separated string. All fields are retrieved by default
* @param string Condition of the filter (AND, OR).
*
* @return mixed Array of the row or false in case of error.
*/
function get_db_all_rows_filter ($table, $filter, $fields = false, $where_join = 'AND') {
if (empty ($fields)) {
$fields = '*';
} else {
if (is_array ($fields))
$fields = implode (',', $fields);
else if (! is_string ($fields))
return false;
}
if (is_array ($filter))
$filter = format_array_to_where_clause_sql ($filter, $where_join, ' WHERE ');
else if (is_string ($filter))
$filter = 'WHERE '.$filter;
else
$filter = '';
$sql = sprintf ('SELECT %s FROM %s %s',
$fields, $table, $filter);
return get_db_all_rows_sql ($sql);
}
/**
* Error handler function when an SQL error is triggered.
*
* @param int Level of the error raised (not used, but required by set_error_handler()).
* @param string Contains the error message.
*
* @return bool True if error level is lower or equal than errno.
*/
function sql_error_handler ($errno, $errstr) {
global $config;
/* If debug is activated, the database debug table will show the error */
if (isset ($config['debug']))
return false;
if (error_reporting () <= $errno)
return false;
echo "SQL error: ".$errstr."\n"; return true; } /** * Add a database query to the debug trace. * * This functions does nothing if the config['debug'] flag is not set. If a * sentence was repeated, then the 'saved' counter is incremented. * * @param string SQL sentence. * @param mixed Query result. On error, error string should be given. * @param int Affected rows after running the query. * @param mixed Extra parameter for future values. */ function add_database_debug_trace ($sql, $result = false, $affected = false, $extra = false) { global $config; if (! isset ($config['debug'])) return false; if (! isset ($config['db_debug'])) $config['db_debug'] = array (); if (isset ($config['db_debug'][$sql])) { $config['db_debug'][$sql]['saved']++; return; } $var = array (); $var['sql'] = $sql; $var['result'] = $result; $var['affected'] = $affected; $var['saved'] = 0; $var['extra'] = $extra; $config['db_debug'][$sql] = $var; } /** * This function comes back with an array in case of SELECT * in case of UPDATE, DELETE etc. with affected rows * an empty array in case of SELECT without results * Queries that return data will be cached so queries don't get repeated * * @param string SQL statement to execute * * @param string What type of info to return in case of INSERT/UPDATE. * 'affected_rows' will return mysql_affected_rows (default value) * 'insert_id' will return the ID of an autoincrement value * 'info' will return the full (debug) information of a query * * @return mixed An array with the rows, columns and values in a multidimensional array or false in error */ function process_sql ($sql, $rettype = "affected_rows") { global $config; global $sql_cache; $retval = array(); if ($sql == '') return false; if (! empty ($sql_cache[$sql])) { $retval = $sql_cache[$sql]; $sql_cache['saved']++; add_database_debug_trace ($sql); } else { $start = microtime (true); $result = mysql_query ($sql); $time = microtime (true) - $start; if ($result === false) { $backtrace = debug_backtrace (); $error = sprintf ('%s (\'%s\') in %s on line %d', mysql_error (), $sql, $backtrace[0]['file'], $backtrace[0]['line']); add_database_debug_trace ($sql, mysql_error ()); set_error_handler ('sql_error_handler'); trigger_error ($error); restore_error_handler (); return false; } elseif ($result === true) { if ($rettype == "insert_id") { $result = mysql_insert_id (); } elseif ($rettype == "info") { $result = mysql_info (); } else { $result = mysql_affected_rows (); } add_database_debug_trace ($sql, $result, mysql_affected_rows (), array ('time' => $time)); return $result; } else { add_database_debug_trace ($sql, 0, mysql_affected_rows (), array ('time' => $time)); while ($row = mysql_fetch_array ($result)) { array_push ($retval, $row); } $sql_cache[$sql] = $retval; mysql_free_result ($result); } } if (! empty ($retval)) return $retval; //Return false, check with === or !== return false; } /** * Get all the rows in a table of the database. * * @param string Database table name. * @param string Field to order by. * * @return mixed A matrix with all the values in the table */ function get_db_all_rows_in_table ($table, $order_field = "") { if ($order_field != "") { return get_db_all_rows_sql ("SELECT * FROM `".$table."` ORDER BY ".$order_field); } else { return get_db_all_rows_sql ("SELECT * FROM `".$table."`"); } } /** * Get all the rows in a table of the databes filtering from a field. * * @param string Database table name. * @param string Field of the table. * @param string Condition the field must have to be selected. * @param string Field to order by. * * @return mixed A matrix with all the values in the table that matches the condition in the field or false */ function get_db_all_rows_field_filter ($table, $field, $condition, $order_field = "") { if (is_int ($condition) || is_bool ($condition)) { $sql = sprintf ("SELECT * FROM `%s` WHERE `%s` = %d", $table, $field, $condition); } else if (is_float ($condition) || is_double ($condition)) { $sql = sprintf ("SELECT * FROM `%s` WHERE `%s` = %f", $table, $field, $condition); } else { $sql = sprintf ("SELECT * FROM `%s` WHERE `%s` = '%s'", $table, $field, $condition); } if ($order_field != "") $sql .= sprintf (" ORDER BY %s", $order_field); return get_db_all_rows_sql ($sql); } /** * Get all the rows in a table of the databes filtering from a field. * * @param string Database table name. * @param string Field of the table. * * @return mixed A matrix with all the values in the table that matches the condition in the field */ function get_db_all_fields_in_table ($table, $field = '', $condition = '', $order_field = '') { $sql = sprintf ("SELECT * FROM `%s`", $table); if ($condition != '') { $sql .= sprintf (" WHERE `%s` = '%s'", $field, $condition); } if ($order_field != "") $sql .= sprintf (" ORDER BY %s", $order_field); return get_db_all_rows_sql ($sql); } /** * Formats an array of values into a SQL string. * * This function is useful to generate an UPDATE SQL sentence from a list of * values. Example code: * *
$values = array ();
$values['name'] = "Name";
$values['description'] = "Long description";
$sql = 'UPDATE table SET '.format_array_to_update_sql ($values).' WHERE id=1';
echo $sql;
* Will return:
UPDATE table SET `name` = "Name", `description` = "Long description" WHERE id=1
*
* @param array Values to be formatted in an array indexed by the field name.
*
* @return string Values joined into an SQL string that can fits into an UPDATE
* sentence.
*/
function format_array_to_update_sql ($values) {
$fields = array ();
foreach ($values as $field => $value) {
if (is_numeric ($field)) {
array_push ($fields, $value);
continue;
}
if ($value === NULL) {
$sql = sprintf ("`%s` = NULL", $field);
} elseif (is_int ($value) || is_bool ($value)) {
$sql = sprintf ("`%s` = %d", $field, $value);
} elseif (is_float ($value) || is_double ($value)) {
$sql = sprintf ("`%s` = %f", $field, $value);
} else {
/* String */
if (isset ($value[0]) && $value[0] == '`')
/* Don't round with quotes if it references a field */
$sql = sprintf ("`%s` = %s", $field, $value);
else
$sql = sprintf ("`%s` = '%s'", $field, $value);
}
array_push ($fields, $sql);
}
return implode (", ", $fields);
}
/**
* Formats an array of values into a SQL where clause string.
*
* This function is useful to generate a WHERE clause for a SQL sentence from
* a list of values. Example code:
$values = array ();
$values['name'] = "Name";
$values['description'] = "Long description";
$values['limit'] = $config['block_size']; // Assume it's 20
$sql = 'SELECT * FROM table WHERE '.format_array_to_where_clause_sql ($values);
echo $sql;
* Will return:
*
* SELECT * FROM table WHERE `name` = "Name" AND `description` = "Long description" LIMIT 20
*
*
* @param array Values to be formatted in an array indexed by the field name.
* There are special parameters such as 'limit' and 'offset' that will be used
* as ORDER, LIMIT and OFFSET clauses respectively. Since LIMIT and OFFSET are
* numerics, ORDER can receive a field name or a SQL function and a the ASC or
* DESC clause. Examples:
$values = array ();
$values['value'] = 10;
$sql = 'SELECT * FROM table WHERE '.format_array_to_where_clause_sql ($values);
// SELECT * FROM table WHERE VALUE = 10
$values = array ();
$values['value'] = 10;
$values['order'] = 'name DESC';
$sql = 'SELECT * FROM table WHERE '.format_array_to_where_clause_sql ($values);
// SELECT * FROM table WHERE VALUE = 10 ORDER BY name DESC
* @param string Join operator. AND by default.
* @param string A prefix to be added to the string. It's useful when limit and
* offset could be given to avoid this cases:
$values = array ();
$values['limit'] = 10;
$values['offset'] = 20;
$sql = 'SELECT * FROM table WHERE '.format_array_to_where_clause_sql ($values);
// Wrong SQL: SELECT * FROM table WHERE LIMIT 10 OFFSET 20
$values = array ();
$values['limit'] = 10;
$values['offset'] = 20;
$sql = 'SELECT * FROM table WHERE '.format_array_to_where_clause_sql ($values, 'AND', 'WHERE');
// Good SQL: SELECT * FROM table LIMIT 10 OFFSET 20
$values = array ();
$values['value'] = 5;
$values['limit'] = 10;
$values['offset'] = 20;
$sql = 'SELECT * FROM table WHERE '.format_array_to_where_clause_sql ($values, 'AND', 'WHERE');
// Good SQL: SELECT * FROM table WHERE value = 5 LIMIT 10 OFFSET 20
*
* @return string Values joined into an SQL string that can fits into the WHERE
* clause of an SQL sentence.
*/
function format_array_to_where_clause_sql ($values, $join = 'AND', $prefix = false) {
$fields = array ();
if (! is_array ($values)) {
return '';
}
$query = '';
$limit = '';
$offset = '';
$order = '';
$group = '';
if (isset ($values['limit'])) {
$limit = sprintf (' LIMIT %d', $values['limit']);
unset ($values['limit']);
}
if (isset ($values['offset'])) {
$offset = sprintf (' OFFSET %d', $values['offset']);
unset ($values['offset']);
}
if (isset ($values['order'])) {
$order = sprintf (' ORDER BY %s', $values['order']);
unset ($values['order']);
}
if (isset ($values['group'])) {
$group = sprintf (' GROUP BY %s', $values['group']);
unset ($values['group']);
}
$i = 1;
$max = count ($values);
foreach ($values as $field => $value) {
if (is_numeric ($field)) {
/* User provide the exact operation to do */
$query .= $value;
if ($i < $max) {
$query .= ' '.$join.' ';
}
$i++;
continue;
}
if ($field[0] != "`") {
$field = "`".$field."`";
}
if (is_null ($value)) {
$query .= sprintf ("%s IS NULL", $field);
} elseif (is_int ($value) || is_bool ($value)) {
$query .= sprintf ("%s = %d", $field, $value);
} else if (is_float ($value) || is_double ($value)) {
$query .= sprintf ("%s = %f", $field, $value);
} elseif (is_array ($value)) {
$query .= sprintf ('%s IN ("%s")', $field, implode ('", "', $value));
} else {
$query .= sprintf ("%s = '%s'", $field, $value);
}
if ($i < $max) {
$query .= ' '.$join.' ';
}
$i++;
}
return (! empty ($query) ? $prefix: '').$query.$group.$order.$limit.$offset;
}
/**
* Get the status of an alert assigned to an agent module.
*
* @param int Id agent module to check.
*
* @return bool True if there were alerts fired.
*/
function get_agentmodule_status ($id_agentmodule = 0) {
$status = get_db_value ('estado', 'tagente_estado', 'id_agente_modulo', $id_agentmodule);
$times_fired = get_db_value ('SUM(times_fired)', 'talert_template_modules', 'id_agent_module', $id_agentmodule);
if ($times_fired > 0) {
return 4; // Alert
}
return $status;
}
/**
* Get the worst status of all modules of a given agent.
*
* @param int Id agent to check.
*
* @return int Worst status of an agent for all of its modules
*/
function return_status_agent ($id_agent = 0) {
$status = get_db_sql ("SELECT MAX(estado)
FROM tagente_estado, tagente_modulo
WHERE tagente_estado.id_agente_modulo = tagente_modulo.id_agente_modulo
AND tagente_modulo.disabled = 0
AND tagente_modulo.delete_pending = 0
AND tagente_modulo.id_agente = $id_agent");
// TODO: Check any alert for that agent who has recept alerts fired
return $status;
}
/**
* Get the current value of an agent module.
*
* @param int Agent module id.
*
* @return int a numerically formatted value
*/
function get_agent_module_last_value ($id_agentmodule) {
return get_db_value ('datos', 'tagente_estado',
'id_agente_modulo', $id_agentmodule);
}
/**
* Get the X axis coordinate of a layout item
*
* @param int Id of the layout to get.
*
* @return int The X axis coordinate value.
*/
function get_layoutdata_x ($id_layoutdata) {
return (float) get_db_value ('pos_x', 'tlayout_data', 'id', (int) $id_layoutdata);
}
/**
* Get the Y axis coordinate of a layout item
*
* @param int Id of the layout to get.
*
* @return int The Y axis coordinate value.
*/
function get_layoutdata_y ($id_layoutdata){
return (float) get_db_value ('pos_y', 'tlayout_data', 'id', (int) $id_layoutdata);
}
/**
* Get the previous data to the timestamp provided.
*
* It's useful to know the first value of a module in an interval,
* since it will be the last value in the table which has a timestamp
* before the beginning of the interval. All this calculation is due
* to the data compression algorithm.
*
* @param int Agent module id
* @param int The timestamp to look backwards from and get the data.
*
* @return mixed The row of tagente_datos of the last period. False if there were no data.
*/
function get_previous_data ($id_agent_module, $utimestamp = 0) {
if (empty ($utimestamp))
$utimestamp = time ();
$interval = get_module_interval ($id_agent_module);
$sql = sprintf ('SELECT * FROM tagente_datos
WHERE id_agente_modulo = %d
AND utimestamp <= %d
AND utimestamp > %d
ORDER BY utimestamp DESC',
$id_agent_module, $utimestamp, $utimestamp - $interval);
return get_db_row_sql ($sql);
}
/**
* Get the average value of an agent module in a period of time.
*
* @param int Agent module id
* @param int Period of time to check (in seconds)
* @param int Top date to check the values. Default current time.
*
* @return int The average module value in the interval.
*/
function get_agentmodule_data_average ($id_agent_module, $period, $date = 0) {
if (! $date)
$date = get_system_time ();
$datelimit = $date - $period;
$sql = sprintf ("SELECT SUM(datos), COUNT(*) FROM tagente_datos
WHERE id_agente_modulo = %d
AND utimestamp > %d AND utimestamp <= %d
ORDER BY utimestamp ASC",
$id_agent_module, $datelimit, $date);
$values = get_db_row_sql ($sql);
$sum = (float) $values[0];
$total = (int) $values[1];
/* Get also the previous data before the selected interval. */
$previous_data = get_previous_data ($id_agent_module, $datelimit);
if ($previous_data)
return ($previous_data['datos'] + $sum) / ($total + 1);
if ($total > 0)
return $sum / $total;
return 0;
}
/**
* Get the maximum value of an agent module in a period of time.
*
* @param int Agent module id to get the maximum value.
* @param int Period of time to check (in seconds)
* @param int Top date to check the values. Default current time.
*
* @return float The maximum module value in the interval.
*/
function get_agentmodule_data_max ($id_agent_module, $period, $date = 0) {
if (! $date)
$date = get_system_time ();
$datelimit = $date - $period;
$sql = sprintf ("SELECT MAX(datos) FROM tagente_datos
WHERE id_agente_modulo = %d
AND utimestamp > %d AND utimestamp <= %d",
$id_agent_module, $datelimit, $date);
$max = (float) get_db_sql ($sql);
/* Get also the previous report before the selected interval. */
$previous_data = get_previous_data ($id_agent_module, $datelimit);
if ($previous_data !== false)
return max ($previous_data['datos'], $max);
return max ((float) $previous_data, $max);
}
/**
* Get the minimum value of an agent module in a period of time.
*
* @param int Agent module id to get the minimum value.
* @param int Period of time to check (in seconds)
* @param int Top date to check the values in Unix time. Default current time.
*
* @return float The minimum module value of the module
*/
function get_agentmodule_data_min ($id_agent_module, $period, $date = 0) {
if (! $date)
$date = get_system_time ();
$datelimit = $date - $period;
$sql = sprintf ("SELECT MIN(datos) FROM tagente_datos
WHERE id_agente_modulo = %d
AND utimestamp > %d AND utimestamp <= %d",
$id_agent_module, $datelimit, $date);
$min = (float) get_db_sql ($sql);
/* Get also the previous data before the selected interval. */
$previous_data = get_previous_data ($id_agent_module, $datelimit);
if ($previous_data)
return min ($previous_data['datos'], $min);
return $min;
}
/**
* Get the sum of values of an agent module in a period of time.
*
* @param int Agent module id to get the sumatory.
* @param int Period of time to check (in seconds)
* @param int Top date to check the values. Default current time.
*
* @return int The sumatory of the module values in the interval.
*/
function get_agentmodule_data_sum ($id_agent_module, $period, $date = 0) {
if (! $date)
$date = get_system_time ();
$datelimit = $date - $period; // limit date
$id_module_type = get_db_value ('id_tipo_modulo', 'tagente_modulo','id_agente_modulo', $id_agent_module);
$module_name = get_db_value ('nombre', 'ttipo_modulo', 'id_tipo', $id_module_type);
if (is_module_data_string ($module_name)) {
return __('Wrong module type');
}
// Get the whole interval of data
$sql = sprintf ('SELECT utimestamp, datos FROM tagente_datos
WHERE id_agente_modulo = %d
AND utimestamp > %d AND utimestamp <= %d
ORDER BY utimestamp ASC',
$id_agent_module, $datelimit, $date);
$datas = get_db_all_rows_sql ($sql);
/* Get also the previous data before the selected interval. */
$previous_data = get_previous_data ($id_agent_module, $datelimit);
if ($previous_data) {
/* Add data to the beginning */
array_unshift ($datas, $previous_data);
}
if ($datas === false) {
return 0;
}
$last_data = "";
$total_badtime = 0;
$module_interval = get_module_interval ($id_agent_module);
$timestamp_begin = $datelimit + $module_interval;
$timestamp_end = 0;
$sum = 0;
$data_value = 0;
foreach ($datas as $data) {
$timestamp_end = $data["utimestamp"];
$elapsed = $timestamp_end - $timestamp_begin;
$times = intval ($elapsed / $module_interval);
if (is_module_inc ($module_name)) {
$data_value = $data['datos'] * $module_interval;
} else {
$data_value = $data['datos'];
}
$sum += $times * $data_value;
$timestamp_begin = $data["utimestamp"];
}
/* The last value must be get from tagente_estado, but
it will count only if it's not older than date demanded
*/
$timestamp_end = get_db_value ('utimestamp', 'tagente_estado', 'id_agente_modulo', $id_agent_module);
if ($timestamp_end <= $datelimit) {
$elapsed = $timestamp_end - $timestamp_begin;
$times = intval ($elapsed / $module_interval);
if (is_module_inc ($module_name)) {
$data_value = $data['datos'] * $module_interval;
} else {
$data_value = $data['datos'];
}
$sum += $times * $data_value;
}
return (float) $sum;
}
/**
* Get a translated string
*
* @param string String to translate. It can have special format characters like
* a printf
* @param mixed Optional parameters to be replaced in string. Example:
echo __('Hello!');
echo __('Hello, %s!', $user);
*
* @return string The translated string. If not defined, the same string will be returned
*/
function __ ($string) {
global $l10n;
if (func_num_args () == 1) {
if (is_null ($l10n))
return $string;
return $l10n->translate ($string);
}
$args = func_get_args ();
$string = array_shift ($args);
if (is_null ($l10n))
return vsprintf ($string, $args);
return vsprintf ($l10n->translate ($string), $args);
}
/**
* Get the numbers of servers up.
*
* This check assumes that server_keepalive should be at least 15 minutes.
*
* @return int The number of servers alive.
*/
function check_server_status () {
$sql = "SELECT COUNT(id_server) FROM tserver WHERE status = 1 AND keepalive > NOW() - INTERVAL 15 MINUTE";
$status = (int) get_db_sql ($sql); //Cast as int will assure a number value
// Set servers to down
if ($status == 0){
process_sql ("UPDATE tserver SET status = 0");
}
return $status;
}
/**
* @deprecated Will show a small HTML table with some compound alert information
*/
function show_alert_row_mini ($id_combined_alert) {
$color=1;
$sql = sprintf ("SELECT talert_template_modules.*,tcompound_alert.operation
FROM talert_template_modules, tcompound_alert
WHERE tcompound_alert.id_aam = talert_template_modules.id
AND tcompound_alert.id = %d", $id_combined_alert);
$result = get_db_all_rows_sql ($sql);
if ($result === false)
return;
echo "| ".__('Name')." | "; echo "".__('Oper')." | "; /* Translators: Abbrevation for Time threshold */ echo "".__('Tt')." | "; echo "".__('Firing')." | "; echo "".__('Time')." | "; /* Translators: Abbrevation for Description */ echo "".__('Desc')." | "; echo "".__('Recovery')." | "; echo "".__('MinMax.Al')." | "; echo "".__('Days')." | "; echo "".__('Fired')." | "; foreach ($result as $row2) { if ($color == 1) { $tdcolor = "datos"; $color = 0; } else { $tdcolor = "datos2"; $color = 1; } echo "||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ".get_db_sql ("SELECT nombre FROM tagente_modulo WHERE id_agente_modulo =".$row2["id_agente_modulo"])." | "; echo "".$row2["operation"]." | "; echo "".human_time_description ($row2["time_threshold"])." | "; if ($row2["dis_min"]!=0) { $mytempdata = fmod ($row2["dis_min"], 1); if ($mytempdata == 0) { $mymin = intval ($row2["dis_min"]); } else { $mymin = format_for_graph ($row2["dis_min"]); } } else { $mymin = 0; } if ($row2["dis_max"]!=0) { $mytempdata = fmod ($row2["dis_max"], 1); if ($mytempdata == 0) { $mymax = intval ($row2["dis_max"]); } else { $mymax = format_for_graph ($row2["dis_max"]); } } else { $mymax = 0; } if (($mymin == 0) && ($mymax == 0)) { $mymin = __('N/A'); $mymax = $mymin; } // We have alert text ? if ($row2["alert_text"]!= "") { echo "".__('Text')." | "; } else { echo "".$mymin."/".$mymax." | "; } // Alert times echo ""; echo get_alert_times ($row2); // Description echo " | ".substr ($row2["descripcion"],0,20); // Has recovery notify activated ? if ($row2["recovery_notify"] > 0) { $recovery_notify = __('Yes'); } else { $recovery_notify = __('No'); } echo " | ".$recovery_notify; // calculare firing conditions if ($row2["alert_text"] != ""){ $firing_cond = __('Text')."(".substr ($row2["alert_text"],0,8).")"; } else { $firing_cond = $row2["min_alerts"]." / ".$row2["max_alerts"]; } echo " | ".$firing_cond; // calculate days $firing_days = get_alert_days ( $row2 ); echo " | ".$firing_days; // Fired ? if ($row2["times_fired"]>0) { echo " |  | ";
} else {
echo " | ";
}
}
echo "
process_sql_update ('table', array ('field' => 1), array ('id' => $id));
process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name));
process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name), 'OR');
process_sql_update ('table', array ('field' => 2), 'id in (1, 2, 3) OR id > 10');
*
*
* @param string Table to insert into
* @param array An associative array of values to update
* @param mixed An associative array of field and value matches. Will be joined
* with operator specified by $where_join. A custom string can also be provided.
* If nothing is provided, the update will affect all rows.
* @param string When a $where parameter is given, this will work as the glue
* between the fields. "AND" operator will be use by default. Other values might
* be "OR", "AND NOT", "XOR"
*
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
*/
function process_sql_update ($table, $values, $where = false, $where_join = 'AND') {
$query = sprintf ("UPDATE `%s` SET %s",
$table,
format_array_to_update_sql ($values));
if ($where) {
if (is_string ($where)) {
// No clean, the caller should make sure all input is clean, this is a raw function
$query .= " WHERE ".$where;
} else if (is_array ($where)) {
$query .= format_array_to_where_clause_sql ($where, $where_join, ' WHERE ');
}
}
return process_sql ($query);
}
/**
* Delete database records.
*
* All values should be cleaned before passing. Quoting isn't necessary.
* Examples:
*
*
process_sql_delete ('table', array ('id' => 1));
// DELETE FROM table WHERE id = 1
process_sql_delete ('table', array ('id' => 1, 'name' => 'example'));
// DELETE FROM table WHERE id = 1 AND name = 'example'
process_sql_delete ('table', array ('id' => 1, 'name' => 'example'), 'OR');
// DELETE FROM table WHERE id = 1 OR name = 'example'
process_sql_delete ('table', 'id in (1, 2, 3) OR id > 10');
// DELETE FROM table WHERE id in (1, 2, 3) OR id > 10
*
*
* @param string Table to insert into
* @param array An associative array of values to update
* @param mixed An associative array of field and value matches. Will be joined
* with operator specified by $where_join. A custom string can also be provided.
* If nothing is provided, the update will affect all rows.
* @param string When a $where parameter is given, this will work as the glue
* between the fields. "AND" operator will be use by default. Other values might
* be "OR", "AND NOT", "XOR"
*
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
*/
function process_sql_delete ($table, $where, $where_join = 'AND') {
if (empty ($where))
/* Should avoid any mistake that lead to deleting all data */
return false;
$query = sprintf ("DELETE FROM `%s` WHERE ", $table);
if ($where) {
if (is_string ($where)) {
/* FIXME: Should we clean the string for sanity?
Who cares if this is deleting data... */
$query .= $where;
} else if (is_array ($where)) {
$query .= format_array_to_where_clause_sql ($where, $where_join);
}
}
return process_sql ($query);
}
/**
* Get all the users belonging to a group.
*
* @param int $id_group The group id to look for
*
* @return array An array with all the users or an empty array
*/
function get_group_users ($id_group, $filter = false) {
if (! is_array ($filter))
$filter = array ();
$filter['id_grupo'] = (int) $id_group;
$result = get_db_all_rows_filter ("tusuario_perfil", $filter);
if ($result === false)
return array ();
//This removes stale users from the list. This can happen if switched to another auth scheme
//(internal users still exist) or external auth has users removed/inactivated from the list (eg. LDAP)
$retval = array ();
foreach ($result as $key => $user) {
if (!is_user ($user)) {
unset ($result[$key]);
} else {
array_push ($retval, get_user_info ($user));
}
}
return $retval;
}
/**
* Prints a database debug table with all the queries done in the page loading.
*
* This functions does nothing if the config['debug'] flag is not set.
*/
function print_database_debug () {
global $config;
if (! isset ($config['debug']))
return '';
echo ''.__('Database debug').'';
$table->id = 'database_debug';
$table->cellpadding = '0';
$table->width = '95%';
$table->align = array ();
$table->align[1] = 'left';
$table->size = array ();
$table->size[0] = '40px';
$table->size[2] = '30%';
$table->size[3] = '40px';
$table->size[4] = '40px';
$table->size[5] = '40px';
$table->data = array ();
$table->head = array ();
$table->head[0] = '#';
$table->head[1] = __('SQL sentence');
$table->head[2] = __('Result');
$table->head[3] = __('Rows');
$table->head[4] = __('Saved');
$table->head[5] = __('Time (ms)');
if (! isset ($config['db_debug']))
$config['db_debug'] = array ();
$i = 1;
foreach ($config['db_debug'] as $debug) {
$data = array ();
$data[0] = $i++;
$data[1] = $debug['sql'];
$data[2] = (empty ($debug['result']) ? __('OK') : $debug['result']);
$data[3] = $debug['affected'];
$data[4] = $debug['saved'];
$data[5] = (isset ($debug['extra']['time']) ? format_numeric ($debug['extra']['time'] * 1000, 0) : '');
array_push ($table->data, $data);
if (($i % 100) == 0) {
print_table ($table);
$table->data = array ();
}
}
print_table ($table);
}
?>