function rrdtool_function_xport($local_graph_id, $rra_id, $xport_data_array, &$xport_meta, $rrd_struc = array()) {
global $config, $consolidation_functions;
include_once($config["library_path"] . "/cdef.php");
include_once($config["library_path"] . "/graph_variables.php");
include_once($config["library_path"] . "/xml.php");
include($config["include_path"] . "/global_arrays.php");
/* before we do anything; make sure the user has permission to view this graph,
if not then get out */
if ((read_config_option("auth_method") != 0) && (isset($_SESSION["sess_user_id"]))) {
$access_denied = !(is_graph_allowed($local_graph_id));
if ($access_denied == true) {
return "GRAPH ACCESS DENIED";
}
}
/* find the step and how often this graph is updated with new data */
$ds_step = db_fetch_cell("select
data_template_data.rrd_step
from (data_template_data,data_template_rrd,graph_templates_item)
where graph_templates_item.task_item_id=data_template_rrd.id
and data_template_rrd.local_data_id=data_template_data.local_data_id
and graph_templates_item.local_graph_id=$local_graph_id
limit 0,1");
$ds_step = empty($ds_step) ? 300 : $ds_step;
/* if no rra was specified, we need to figure out which one RRDTool will choose using
* "best-fit" resolution fit algorithm */
if (empty($rra_id)) {
if ((empty($xport_data_array["graph_start"])) || (empty($xport_data_array["graph_end"]))) {
$rra["rows"] = 600;
$rra["steps"] = 1;
$rra["timespan"] = 86400;
}else{
/* get a list of RRAs related to this graph */
$rras = get_associated_rras($local_graph_id);
if (sizeof($rras) > 0) {
foreach ($rras as $unchosen_rra) {
/* the timespan specified in the RRA "timespan" field may not be accurate */
$real_timespan = ($ds_step * $unchosen_rra["steps"] * $unchosen_rra["rows"]);
/* make sure the current start/end times fit within each RRA's timespan */
if ( (($xport_data_array["graph_end"] - $xport_data_array["graph_start"]) <= $real_timespan) && ((time() - $xport_data_array["graph_start"]) <= $real_timespan) ) {
/* is this RRA better than the already chosen one? */
if ((isset($rra)) && ($unchosen_rra["steps"] < $rra["steps"])) {
$rra = $unchosen_rra;
}else if (!isset($rra)) {
$rra = $unchosen_rra;
}
}
}
}
if (!isset($rra)) {
$rra["rows"] = 600;
$rra["steps"] = 1;
}
}
}else{
$rra = db_fetch_row("select timespan,rows,steps from rra where id=$rra_id");
}
$seconds_between_graph_updates = ($ds_step * $rra["steps"]);
/* override: graph start time */
if ((!isset($graph_data_array["graph_start"])) || ($graph_data_array["graph_start"] == "0")) {
$graph_start = -($rra["timespan"]);
}else{
$graph_start = $graph_data_array["graph_start"];
}
/* override: graph end time */
if ((!isset($graph_data_array["graph_end"])) || ($graph_data_array["graph_end"] == "0")) {
$graph_end = -($seconds_between_graph_updates);
}else{
$graph_end = $graph_data_array["graph_end"];
}
$graph = db_fetch_row("select
graph_local.host_id,
graph_local.snmp_query_id,
graph_local.snmp_index,
graph_templates_graph.title_cache,
graph_templates_graph.vertical_label,
graph_templates_graph.slope_mode,
graph_templates_graph.auto_scale,
graph_templates_graph.auto_scale_opts,
graph_templates_graph.auto_scale_log,
graph_templates_graph.scale_log_units,
graph_templates_graph.auto_scale_rigid,
graph_templates_graph.auto_padding,
graph_templates_graph.base_value,
graph_templates_graph.upper_limit,
graph_templates_graph.lower_limit,
graph_templates_graph.height,
graph_templates_graph.width,
graph_templates_graph.image_format_id,
graph_templates_graph.unit_value,
graph_templates_graph.unit_exponent_value,
graph_templates_graph.export
from (graph_templates_graph,graph_local)
where graph_local.id=graph_templates_graph.local_graph_id
and graph_templates_graph.local_graph_id=$local_graph_id");
/* lets make that sql query... */
$xport_items = db_fetch_assoc("select
graph_templates_item.id as graph_templates_item_id,
graph_templates_item.cdef_id,
graph_templates_item.text_format,
graph_templates_item.value,
graph_templates_item.hard_return,
graph_templates_item.consolidation_function_id,
graph_templates_item.graph_type_id,
graph_templates_gprint.gprint_text,
colors.hex,
graph_templates_item.alpha,
data_template_rrd.id as data_template_rrd_id,
data_template_rrd.local_data_id,
data_template_rrd.rrd_minimum,
data_template_rrd.rrd_maximum,
data_template_rrd.data_source_name,
data_template_rrd.local_data_template_rrd_id
from graph_templates_item
left join data_template_rrd on (graph_templates_item.task_item_id=data_template_rrd.id)
left join colors on (graph_templates_item.color_id=colors.id)
left join graph_templates_gprint on (graph_templates_item.gprint_id=graph_templates_gprint.id)
where graph_templates_item.local_graph_id=$local_graph_id
order by graph_templates_item.sequence");
/* +++++++++++++++++++++++ XPORT OPTIONS +++++++++++++++++++++++ */
/* override: graph start time */
if ((!isset($xport_data_array["graph_start"])) || ($xport_data_array["graph_start"] == "0")) {
$xport_start = -($rra["timespan"]);
}else{
$xport_start = $xport_data_array["graph_start"];
}
/* override: graph end time */
if ((!isset($xport_data_array["graph_end"])) || ($xport_data_array["graph_end"] == "0")) {
$xport_end = -($seconds_between_graph_updates);
}else{
$xport_end = $xport_data_array["graph_end"];
}
/* basic export options */
$xport_opts =
"--start=$xport_start" . RRD_NL .
"--end=$xport_end" . RRD_NL .
"--maxrows=10000" . RRD_NL;
$xport_defs = "";
$i = 0; $j = 0;
$nth = 0; $sum = 0;
if (sizeof($xport_items) > 0) {
/* we need to add a new column "cf_reference", so unless PHP 5 is used, this foreach syntax is required */
foreach ($xport_items as $key => $xport_item) {
/* mimic the old behavior: LINE[123], AREA, STACK and GPRINT items use the CF specified in the graph item */
if (($xport_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE1) ||
($xport_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE2) ||
($xport_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE3) ||
($xport_item["graph_type_id"] == GRAPH_ITEM_TYPE_AREA) ||
($xport_item["graph_type_id"] == GRAPH_ITEM_TYPE_STACK)) {
$xport_cf = $xport_item["consolidation_function_id"];
$last_xport_cf["data_source_name"]["local_data_template_rrd_id"] = $xport_cf;
/* remember this for second foreach loop */
$xport_items[$key]["cf_reference"] = $xport_cf;
}elseif ($xport_item["graph_type_id"] == GRAPH_ITEM_TYPE_GPRINT) {
/* ATTENTION!
* the "CF" given on graph_item edit screen for GPRINT is indeed NOT a real "CF",
* but an aggregation function
* see "man rrdgraph_data" for the correct VDEF based notation
* so our task now is to "guess" the very graph_item, this GPRINT is related to
* and to use that graph_item's CF */
if (isset($last_xport_cf["data_source_name"]["local_data_template_rrd_id"])) {
$xport_cf = $last_xport_cf["data_source_name"]["local_data_template_rrd_id"];
/* remember this for second foreach loop */
$xport_items[$key]["cf_reference"] = $xport_cf;
} else {
$xport_cf = generate_graph_best_cf($xport_item["local_data_id"], $xport_item["consolidation_function_id"]);
/* remember this for second foreach loop */
$xport_items[$key]["cf_reference"] = $xport_cf;
}
}else{
/* all other types are based on the best matching CF */
$xport_cf = generate_graph_best_cf($xport_item["local_data_id"], $xport_item["consolidation_function_id"]);
/* remember this for second foreach loop */
$xport_items[$key]["cf_reference"] = $xport_cf;
}
if ((!empty($xport_item["local_data_id"])) &&
(!isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}[$xport_cf]))) {
/* use a user-specified ds path if one is entered */
$data_source_path = get_data_source_path($xport_item["local_data_id"], true);
/* FOR WIN32: Escape all colon for drive letters (ex. D\:/path/to/rra) */
$data_source_path = str_replace(":", "\:", $data_source_path);
if (!empty($data_source_path)) {
/* NOTE: (Update) Data source DEF names are created using the graph_item_id; then passed
to a function that matches the digits with letters. rrdtool likes letters instead
of numbers in DEF names; especially with CDEF's. cdef's are created
the same way, except a 'cdef' is put on the beginning of the hash */
$xport_defs .= "DEF:" . generate_graph_def_name(strval($i)) . "=\"$data_source_path\":" . $xport_item["data_source_name"] . ":" . $consolidation_functions[$xport_cf] . RRD_NL;
$cf_ds_cache{$xport_item["data_template_rrd_id"]}[$xport_cf] = "$i";
$i++;
}
}
/* cache cdef value here to support data query variables in the cdef string */
if (empty($xport_item["cdef_id"])) {
$xport_item["cdef_cache"] = "";
$xport_items[$j]["cdef_cache"] = "";
}else{
$xport_item["cdef_cache"] = get_cdef($xport_item["cdef_id"]);
$xport_items[$j]["cdef_cache"] = get_cdef($xport_item["cdef_id"]);
}
/* +++++++++++++++++++++++ LEGEND: TEXT SUBSITUTION (<>'s) +++++++++++++++++++++++ */
/* note the current item_id for easy access */
$xport_item_id = $xport_item["graph_templates_item_id"];
/* the following fields will be searched for graph variables */
$variable_fields = array(
"text_format" => array(
"process_no_legend" => false
),
"value" => array(
"process_no_legend" => true
),
"cdef_cache" => array(
"process_no_legend" => true
)
);
/* loop through each field that we want to substitute values for:
currently: text format and value */
while (list($field_name, $field_array) = each($variable_fields)) {
/* certain fields do not require values when the legend is not to be shown */
if (($field_array["process_no_legend"] == false) && (isset($xport_data_array["graph_nolegend"]))) {
continue;
}
$xport_variables[$field_name][$xport_item_id] = $xport_item[$field_name];
/* date/time substitution */
if (strstr($xport_variables[$field_name][$xport_item_id], "|date_time|")) {
$xport_variables[$field_name][$xport_item_id] = str_replace("|date_time|", date('D d M H:i:s T Y', strtotime(db_fetch_cell("select value from settings where name='date'"))), $xport_variables[$field_name][$xport_item_id]);
}
/* data query variables */
$xport_variables[$field_name][$xport_item_id] = rrd_substitute_host_query_data($xport_variables[$field_name][$xport_item_id], $graph, $xport_item);
/* Nth percentile */
if (preg_match_all("/\|([0-9]{1,2}):(bits|bytes):(\d):(current|total|max|total_peak|all_max_current|all_max_peak|aggregate_max|aggregate_sum|aggregate_current|aggregate):(\d)?\|/", $xport_variables[$field_name][$xport_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
if ($field_name == "value") {
$xport_meta["NthPercentile"][$nth]["format"] = $match[0];
$xport_meta["NthPercentile"][$nth]["value"] = str_replace($match[0], variable_nth_percentile($match, $xport_item, $xport_items, $graph_start, $graph_end), $xport_variables[$field_name][$xport_item_id]);
$nth++;
}
}
}
/* bandwidth summation */
if (preg_match_all("/\|sum:(\d|auto):(current|total|atomic):(\d):(\d+|auto)\|/", $xport_variables[$field_name][$xport_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
if ($field_name == "text_format") {
$xport_meta["Summation"][$sum]["format"] = $match[0];
$xport_meta["Summation"][$sum]["value"] = str_replace($match[0], variable_bandwidth_summation($match, $xport_item, $xport_items, $graph_start, $graph_end, $rra["steps"], $ds_step), $xport_variables[$field_name][$xport_item_id]);
$sum++;
}
}
}
}
$j++;
}
}
/* +++++++++++++++++++++++ CDEF's +++++++++++++++++++++++ */
$i = 0;
$j = 1;
reset($xport_items);
$xport_item_stack_type = "";
$txt_xport_items = "";
if (sizeof($xport_items) > 0) {
foreach ($xport_items as $xport_item) {
/* first we need to check if there is a DEF for the current data source/cf combination. if so,
we will use that */
if (isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}{$xport_item["consolidation_function_id"]})) {
$cf_id = $xport_item["consolidation_function_id"];
}else{
/* if there is not a DEF defined for the current data source/cf combination, then we will have to
improvise. choose the first available cf in the following order: AVERAGE, MAX, MIN, LAST */
if (isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}[1])) {
$cf_id = 1; /* CF: AVERAGE */
}elseif (isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}[3])) {
$cf_id = 3; /* CF: MAX */
}elseif (isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}[2])) {
$cf_id = 2; /* CF: MIN */
}elseif (isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}[4])) {
$cf_id = 4; /* CF: LAST */
}else{
$cf_id = 1; /* CF: AVERAGE */
}
}
/* now remember the correct CF reference */
$cf_id = $xport_item["cf_reference"];
/* make cdef string here; a note about CDEF's in cacti. A CDEF is neither unique to a
data source of global cdef, but is unique when those two variables combine. */
$cdef_xport_defs = ""; $cdef_all_ds_dups = ""; $cdef_similar_ds_dups = "";
$cdef_similar_ds_nodups = ""; $cdef_all_ds_nodups = "";
if ((!empty($xport_item["cdef_id"])) && (!isset($cdef_cache{$xport_item["cdef_id"]}{$xport_item["data_template_rrd_id"]}[$cf_id]))) {
$cdef_string = $xport_variables["cdef_cache"]{$xport_item["graph_templates_item_id"]};
$magic_item = array();
$already_seen = array();
$sources_seen = array();
$count_all_ds_dups = 0;
$count_all_ds_nodups = 0;
$count_similar_ds_dups = 0;
$count_similar_ds_nodups = 0;
/* if any of those magic variables are requested ... */
if (ereg("(ALL_DATA_SOURCES_(NO)?DUPS|SIMILAR_DATA_SOURCES_(NO)?DUPS)", $cdef_string) ||
ereg("(COUNT_ALL_DS_(NO)?DUPS|COUNT_SIMILAR_DS_(NO)?DUPS)", $cdef_string)) {
/* now walk through each case to initialize array*/
if (ereg("ALL_DATA_SOURCES_DUPS", $cdef_string)) {
$magic_item["ALL_DATA_SOURCES_DUPS"] = "";
}
if (ereg("ALL_DATA_SOURCES_NODUPS", $cdef_string)) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] = "";
}
if (ereg("SIMILAR_DATA_SOURCES_DUPS", $cdef_string)) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] = "";
}
if (ereg("SIMILAR_DATA_SOURCES_NODUPS", $cdef_string)) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] = "";
}
if (ereg("COUNT_ALL_DS_DUPS", $cdef_string)) {
$magic_item["COUNT_ALL_DS_DUPS"] = "";
}
if (ereg("COUNT_ALL_DS_NODUPS", $cdef_string)) {
$magic_item["COUNT_ALL_DS_NODUPS"] = "";
}
if (ereg("COUNT_SIMILAR_DS_DUPS", $cdef_string)) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] = "";
}
if (ereg("COUNT_SIMILAR_DS_NODUPS", $cdef_string)) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] = "";
}
/* loop over all graph items */
for ($t=0;($t<count($xport_items));$t++) {
/* don't count any entry where a magic item was entered */
if (ereg("(ALL_DATA_SOURCES_(NO)?DUPS|SIMILAR_DATA_SOURCES_(NO)?DUPS)", $xport_items[$t]["cdef_cache"]) ||
ereg("(COUNT_ALL_DS_(NO)?DUPS|COUNT_SIMILAR_DS_(NO)?DUPS)", $xport_items[$t]["cdef_cache"])) {
continue;
}
/* only work on graph items, omit GRPINTs, COMMENTs and stuff */
if ((ereg("(AREA|STACK|LINE[123])", $graph_item_types{$xport_items[$t]["graph_type_id"]})) && (!empty($xport_items[$t]["data_template_rrd_id"]))) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
/* matching consolidation function? */
if (isset($cf_ds_cache{$xport_items[$t]["data_template_rrd_id"]}[$cf_id])) {
$def_name = generate_graph_def_name(strval($cf_ds_cache{$xport_items[$t]["data_template_rrd_id"]}[$cf_id]));
/* do we need ALL_DATA_SOURCES_DUPS? */
if (isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$magic_item["ALL_DATA_SOURCES_DUPS"] .= ($count_all_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
/* do we need COUNT_ALL_DS_DUPS? */
if (isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$magic_item["COUNT_ALL_DS_DUPS"] .= ($count_all_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_all_ds_dups++;
/* check if this item also qualifies for NODUPS */
if(!isset($already_seen[$def_name])) {
if (isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] .= ($count_all_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
if (isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$magic_item["COUNT_ALL_DS_NODUPS"] .= ($count_all_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_all_ds_nodups++;
$already_seen[$def_name]=TRUE;
}
/* check for SIMILAR data sources */
if ($xport_item["data_source_name"] == $xport_items[$t]["data_source_name"]) {
/* do we need SIMILAR_DATA_SOURCES_DUPS? */
if (isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"]) && ($xport_item["data_source_name"] == $xport_items[$t]["data_source_name"])) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] .= ($count_similar_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
/* do we need COUNT_SIMILAR_DS_DUPS? */
if (isset($magic_item["COUNT_SIMILAR_DS_DUPS"]) && ($xport_item["data_source_name"] == $xport_items[$t]["data_source_name"])) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] .= ($count_similar_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_similar_ds_dups++;
/* check if this item also qualifies for NODUPS */
if(!isset($sources_seen{$xport_items[$t]["data_template_rrd_id"]})) {
if (isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] .= ($count_similar_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
if (isset($magic_item["COUNT_SIMILAR_DS_NODUPS"]) && ($xport_item["data_source_name"] == $xport_items[$t]["data_source_name"])) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] .= ($count_similar_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_similar_ds_nodups++;
$sources_seen{$xport_items[$t]["data_template_rrd_id"]} = TRUE;
}
} # SIMILAR data sources
} # matching consolidation function?
} # only work on graph items, omit GRPINTs, COMMENTs and stuff
} # loop over all graph items
/* if there is only one item to total, don't even bother with the summation.
* Otherwise cdef=a,b,c,+,+ is fine. */
if ($count_all_ds_dups > 1 && isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$magic_item["ALL_DATA_SOURCES_DUPS"] .= str_repeat(",+", ($count_all_ds_dups - 2)) . ",+";
}
if ($count_all_ds_nodups > 1 && isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] .= str_repeat(",+", ($count_all_ds_nodups - 2)) . ",+";
}
if ($count_similar_ds_dups > 1 && isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] .= str_repeat(",+", ($count_similar_ds_dups - 2)) . ",+";
}
if ($count_similar_ds_nodups > 1 && isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] .= str_repeat(",+", ($count_similar_ds_nodups - 2)) . ",+";
}
if ($count_all_ds_dups > 1 && isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$magic_item["COUNT_ALL_DS_DUPS"] .= str_repeat(",+", ($count_all_ds_dups - 2)) . ",+";
}
if ($count_all_ds_nodups > 1 && isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$magic_item["COUNT_ALL_DS_NODUPS"] .= str_repeat(",+", ($count_all_ds_nodups - 2)) . ",+";
}
if ($count_similar_ds_dups > 1 && isset($magic_item["COUNT_SIMILAR_DS_DUPS"])) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] .= str_repeat(",+", ($count_similar_ds_dups - 2)) . ",+";
}
if ($count_similar_ds_nodups > 1 && isset($magic_item["COUNT_SIMILAR_DS_NODUPS"])) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] .= str_repeat(",+", ($count_similar_ds_nodups - 2)) . ",+";
}
}
$cdef_string = str_replace("CURRENT_DATA_SOURCE", generate_graph_def_name(strval((isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}[$cf_id]) ? $cf_ds_cache{$xport_item["data_template_rrd_id"]}[$cf_id] : "0"))), $cdef_string);
/* ALL|SIMILAR_DATA_SOURCES(NO)?DUPS are to be replaced here */
if (isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$cdef_string = str_replace("ALL_DATA_SOURCES_DUPS", $magic_item["ALL_DATA_SOURCES_DUPS"], $cdef_string);
}
if (isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$cdef_string = str_replace("ALL_DATA_SOURCES_NODUPS", $magic_item["ALL_DATA_SOURCES_NODUPS"], $cdef_string);
}
if (isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"])) {
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_DUPS", $magic_item["SIMILAR_DATA_SOURCES_DUPS"], $cdef_string);
}
if (isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_NODUPS", $magic_item["SIMILAR_DATA_SOURCES_NODUPS"], $cdef_string);
}
/* COUNT_ALL|SIMILAR_DATA_SOURCES(NO)?DUPS are to be replaced here */
if (isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$cdef_string = str_replace("COUNT_ALL_DS_DUPS", $magic_item["COUNT_ALL_DS_DUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$cdef_string = str_replace("COUNT_ALL_DS_NODUPS", $magic_item["COUNT_ALL_DS_NODUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_SIMILAR_DS_DUPS"])) {
$cdef_string = str_replace("COUNT_SIMILAR_DS_DUPS", $magic_item["COUNT_SIMILAR_DS_DUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_SIMILAR_DS_NODUPS"])) {
$cdef_string = str_replace("COUNT_SIMILAR_DS_NODUPS", $magic_item["COUNT_SIMILAR_DS_NODUPS"], $cdef_string);
}
/* data source item variables */
$cdef_string = str_replace("CURRENT_DS_MINIMUM_VALUE", (empty($xport_item["rrd_minimum"]) ? "0" : $xport_item["rrd_minimum"]), $cdef_string);
$cdef_string = str_replace("CURRENT_DS_MAXIMUM_VALUE", (empty($xport_item["rrd_maximum"]) ? "0" : $xport_item["rrd_maximum"]), $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MINIMUM_VALUE", (empty($graph["lower_limit"]) ? "0" : $graph["lower_limit"]), $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MAXIMUM_VALUE", (empty($graph["upper_limit"]) ? "0" : $graph["upper_limit"]), $cdef_string);
/* replace query variables in cdefs */
$cdef_string = rrd_substitute_host_query_data($cdef_string, $graph, $xport_item);
/* make the initial "virtual" cdef name: 'cdef' + [a,b,c,d...] */
$cdef_xport_defs .= "CDEF:cdef" . generate_graph_def_name(strval($i)) . "=";
$cdef_xport_defs .= $cdef_string;
$cdef_xport_defs .= " \\\n";
/* the CDEF cache is so we do not create duplicate CDEF's on a graph */
$cdef_cache{$xport_item["cdef_id"]}{$xport_item["data_template_rrd_id"]}[$cf_id] = "$i";
}
/* add the cdef string to the end of the def string */
$xport_defs .= $cdef_xport_defs;
/* note the current item_id for easy access */
$xport_item_id = $xport_item["graph_templates_item_id"];
/* IF this graph item has a data source... get a DEF name for it, or the cdef if that applies
to this graph item */
if ($xport_item["cdef_id"] == "0") {
if (isset($cf_ds_cache{$xport_item["data_template_rrd_id"]}[$cf_id])) {
$data_source_name = generate_graph_def_name(strval($cf_ds_cache{$xport_item["data_template_rrd_id"]}[$cf_id]));
}else{
$data_source_name = "";
}
}else{
$data_source_name = "cdef" . generate_graph_def_name(strval($cdef_cache{$xport_item["cdef_id"]}{$xport_item["data_template_rrd_id"]}[$cf_id]));
}
/* +++++++++++++++++++++++ XPORT ITEMS +++++++++++++++++++++++ */
$need_rrd_nl = TRUE;
if (ereg("^(AREA|LINE[123]|STACK)$", $graph_item_types{$xport_item["graph_type_id"]})) {
/* give all export items a name */
if (trim($xport_variables["text_format"][$xport_item_id]) == "") {
$legend_name = "col" . $j . "-" . $data_source_name;
}else{
$legend_name = $xport_variables["text_format"][$xport_item_id];
}
$j++;
$txt_xport_items .= "XPORT:" . $data_source_name . ":" . "\"" . str_replace(":", "", $legend_name) . "\"";
}else{
$need_rrd_nl = FALSE;
}
$i++;
if (($i < sizeof($xport_items)) && ($need_rrd_nl)) {
$txt_xport_items .= RRD_NL;
}
}
}
$output_flag = RRDTOOL_OUTPUT_STDOUT;
$xport_array = rrdxport2array(rrdtool_execute("xport $xport_opts$xport_defs$txt_xport_items", false, $output_flag, $rrd_struc));
/* add host and graph information */
$xport_array["meta"]["title_cache"] = $graph["title_cache"];
$xport_array["meta"]["vertical_label"] = $graph["vertical_label"];
$xport_array["meta"]["local_graph_id"] = $local_graph_id;
$xport_array["meta"]["host_id"] = $graph["host_id"];
return $xport_array;
}
function rrdtool_function_graph($local_graph_id, $rra_id, $graph_data_array, $rrdtool_pipe = "", &$xport_meta = array())
{
global $config, $consolidation_functions;
include_once $config["library_path"] . "/cdef.php";
include_once $config["library_path"] . "/graph_variables.php";
include_once $config['library_path'] . '/boost.php';
include_once $config['library_path'] . '/xml.php';
include $config["include_path"] . "/global_arrays.php";
/* prevent command injection
* This function prepares an rrdtool graph statement to be executed by the web server.
* We have to take care, that the attacker does not insert shell code.
* As some rrdtool parameters accept "Cacti variables", we have to perform the
* variable substitution prior to vulnerability checks.
* We will enclose all parameters in quotes and substitute quotation marks within
* those parameters.
*/
/* rrdtool fetches the default font from it's execution environment
* you won't find that default font on the rrdtool statement itself!
* set the rrdtool default font via environment variable */
if (!isset($graph_data_array['export_csv'])) {
if (read_config_option("path_rrdtool_default_font")) {
putenv("RRD_DEFAULT_FONT=" . read_config_option("path_rrdtool_default_font"));
}
}
/* before we do anything; make sure the user has permission to view this graph,
if not then get out */
if (!is_graph_allowed($local_graph_id)) {
return "GRAPH ACCESS DENIED";
}
/* check the boost image cache and if we find a live file there return it instead */
if (!isset($graph_data_array['export_csv']) && !isset($graph_data_array['export_realtime'])) {
$graph_data = boost_graph_cache_check($local_graph_id, $rra_id, $rrdtool_pipe, $graph_data_array, false);
if ($graph_data != false) {
return $graph_data;
}
}
/* find the step and how often this graph is updated with new data */
$ds_step = db_fetch_cell("SELECT\n\t\tdata_template_data.rrd_step\n\t\tFROM (data_template_data,data_template_rrd,graph_templates_item)\n\t\tWHERE graph_templates_item.task_item_id=data_template_rrd.id\n\t\tAND data_template_rrd.local_data_id=data_template_data.local_data_id\n\t\tAND graph_templates_item.local_graph_id={$local_graph_id}\n\t\tLIMIT 0,1");
$ds_step = empty($ds_step) ? 300 : $ds_step;
/* if no rra was specified, we need to figure out which one RRDTool will choose using
* "best-fit" resolution fit algorithm */
if (empty($rra_id)) {
if (empty($graph_data_array["graph_start"]) || empty($graph_data_array["graph_end"])) {
$rra["rows"] = 600;
$rra["steps"] = 1;
$rra["timespan"] = 86400;
} else {
/* get a list of RRAs related to this graph */
$rras = get_associated_rras($local_graph_id);
if (sizeof($rras) > 0) {
foreach ($rras as $unchosen_rra) {
/* the timespan specified in the RRA "timespan" field may not be accurate */
$real_timespan = $ds_step * $unchosen_rra["steps"] * $unchosen_rra["rows"];
/* make sure the current start/end times fit within each RRA's timespan */
if ($graph_data_array["graph_end"] - $graph_data_array["graph_start"] <= $real_timespan && time() - $graph_data_array["graph_start"] <= $real_timespan) {
/* is this RRA better than the already chosen one? */
if (isset($rra) && $unchosen_rra["steps"] < $rra["steps"]) {
$rra = $unchosen_rra;
} else {
if (!isset($rra)) {
$rra = $unchosen_rra;
}
}
}
}
}
if (!isset($rra)) {
$rra["rows"] = 600;
$rra["steps"] = 1;
}
}
} else {
$rra = db_fetch_row("SELECT timespan,rows,steps FROM rra WHERE id={$rra_id}");
}
if (!isset($graph_data_array['export_realtime'])) {
$seconds_between_graph_updates = $ds_step * $rra["steps"];
} else {
$seconds_between_graph_updates = 5;
}
$graph = db_fetch_row("SELECT gl.id AS local_graph_id, gl.host_id,\n\t\tgl.snmp_query_id, gl.snmp_index, gtg.title_cache, gtg.vertical_label,\n\t\tgtg.slope_mode, gtg.auto_scale, gtg.auto_scale_opts, gtg.auto_scale_log,\n\t\tgtg.scale_log_units, gtg.auto_scale_rigid, gtg.auto_padding, gtg.base_value,\n\t\tgtg.upper_limit, gtg.lower_limit, gtg.height, gtg.width, gtg.image_format_id,\n\t\tgtg.unit_value, gtg.unit_exponent_value, gtg.export\n\t\tFROM graph_templates_graph AS gtg\n\t\tINNER JOIN graph_local AS gl\n\t\tON gl.id=gtg.local_graph_id\n\t\tWHERE gtg.local_graph_id={$local_graph_id}");
/* lets make that sql query... */
$graph_items = db_fetch_assoc("SELECT gti.id AS graph_templates_item_id,\n\t\tgti.cdef_id, gti.text_format, gti.value, gti.hard_return,\n\t\tgti.consolidation_function_id, gti.graph_type_id, gtgp.gprint_text,\n\t\tcolors.hex, gti.alpha, dtr.id AS data_template_rrd_id, dtr.local_data_id,\n\t\tdtr.rrd_minimum, dtr.rrd_maximum, dtr.data_source_name, dtr.local_data_template_rrd_id\n\t\tFROM graph_templates_item AS gti\n\t\tLEFT JOIN data_template_rrd AS dtr\n\t\tON gti.task_item_id=dtr.id\n\t\tLEFT JOIN colors \n\t\tON gti.color_id=colors.id\n\t\tLEFT JOIN graph_templates_gprint AS gtgp\n\t\tON gti.gprint_id=gtgp.id\n\t\tWHERE gti.local_graph_id={$local_graph_id}\n\t\tORDER BY gti.sequence");
/* variables for use below */
$graph_defs = "";
$txt_graph_items = "";
$text_padding = "";
$padding_estimate = 0;
$last_graph_type = "";
/* override: graph start time */
if (!isset($graph_data_array["graph_start"]) || $graph_data_array["graph_start"] == "0") {
$graph_start = -$rra["timespan"];
} else {
$graph_start = $graph_data_array["graph_start"];
}
/* override: graph end time */
if (!isset($graph_data_array["graph_end"]) || $graph_data_array["graph_end"] == "0") {
$graph_end = -$seconds_between_graph_updates;
} else {
$graph_end = $graph_data_array["graph_end"];
}
/* +++++++++++++++++++++++ GRAPH OPTIONS +++++++++++++++++++++++ */
if (!isset($graph_data_array['export_csv'])) {
$graph_opts = rrd_function_process_graph_options($graph_start, $graph_end, $graph, $graph_data_array);
} else {
/* basic export options */
$graph_opts = "--start=" . cacti_escapeshellarg($graph_start) . RRD_NL . "--end=" . cacti_escapeshellarg($graph_end) . RRD_NL . "--maxrows=10000" . RRD_NL;
}
/* +++++++++++++++++++++++ LEGEND: MAGIC +++++++++++++++++++++++ */
$i = 0;
$j = 0;
$last_graph_cf = array();
if (sizeof($graph_items)) {
/* we need to add a new column "cf_reference", so unless PHP 5 is used, this foreach syntax is required */
foreach ($graph_items as $key => $graph_item) {
/* mimic the old behavior: LINE[123], AREA and STACK items use the CF specified in the graph item */
if ($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE1 || $graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE2 || $graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE3 || $graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_AREA || $graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_STACK) {
$graph_cf = $graph_item["consolidation_function_id"];
/* remember the last CF for this data source for use with GPRINT
* if e.g. an AREA/AVERAGE and a LINE/MAX is used
* we will have AVERAGE first and then MAX, depending on GPRINT sequence */
$last_graph_cf["data_source_name"]["local_data_template_rrd_id"] = $graph_cf;
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
} elseif ($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_GPRINT) {
/* ATTENTION!
* the "CF" given on graph_item edit screen for GPRINT is indeed NOT a real "CF",
* but an aggregation function
* see "man rrdgraph_data" for the correct VDEF based notation
* so our task now is to "guess" the very graph_item, this GPRINT is related to
* and to use that graph_item's CF */
if (isset($last_graph_cf["data_source_name"]["local_data_template_rrd_id"])) {
$graph_cf = $last_graph_cf["data_source_name"]["local_data_template_rrd_id"];
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
} else {
$graph_cf = generate_graph_best_cf($graph_item["local_data_id"], $graph_item["consolidation_function_id"]);
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
}
} else {
/* all other types are based on the best matching CF */
$graph_cf = generate_graph_best_cf($graph_item["local_data_id"], $graph_item["consolidation_function_id"]);
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
}
if (!empty($graph_item["local_data_id"]) && !isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][$graph_cf])) {
/* use a user-specified ds path if one is entered */
if (isset($graph_data_array['export_realtime'])) {
$data_source_path = read_config_option("realtime_cache_path") . "/user_" . session_id() . "_" . $graph_item["local_data_id"] . ".rrd";
} else {
$data_source_path = get_data_source_path($graph_item["local_data_id"], true);
}
/* FOR WIN32: Escape all colon for drive letters (ex. D\:/path/to/rra) */
$data_source_path = str_replace(":", "\\:", $data_source_path);
if (!empty($data_source_path)) {
/* NOTE: (Update) Data source DEF names are created using the graph_item_id; then passed
to a function that matches the digits with letters. rrdtool likes letters instead
of numbers in DEF names; especially with CDEF's. cdef's are created
the same way, except a 'cdef' is put on the beginning of the hash */
$graph_defs .= "DEF:" . generate_graph_def_name(strval($i)) . "=" . cacti_escapeshellarg($data_source_path) . ":" . cacti_escapeshellarg($graph_item["data_source_name"], true) . ":" . $consolidation_functions[$graph_cf] . RRD_NL;
$cf_ds_cache[$graph_item["data_template_rrd_id"]][$graph_cf] = "{$i}";
$i++;
}
}
/* cache cdef value here to support data query variables in the cdef string */
if (empty($graph_item["cdef_id"])) {
$graph_item["cdef_cache"] = "";
$graph_items[$j]["cdef_cache"] = "";
} else {
$graph_item["cdef_cache"] = get_cdef($graph_item["cdef_id"]);
$graph_items[$j]["cdef_cache"] = get_cdef($graph_item["cdef_id"]);
}
/* +++++++++++++++++++++++ LEGEND: TEXT SUBSTITUTION (<>'s) +++++++++++++++++++++++ */
/* note the current item_id for easy access */
$graph_item_id = $graph_item["graph_templates_item_id"];
/* the following fields will be searched for graph variables */
$variable_fields = array("text_format" => array("process_no_legend" => false), "value" => array("process_no_legend" => true), "cdef_cache" => array("process_no_legend" => true));
/* loop through each field that we want to substitute values for:
currently: text format and value */
while (list($field_name, $field_array) = each($variable_fields)) {
/* certain fields do not require values when the legend is not to be shown */
if ($field_array["process_no_legend"] == false && isset($graph_data_array["graph_nolegend"])) {
continue;
}
$graph_variables[$field_name][$graph_item_id] = $graph_item[$field_name];
/* date/time substitution */
if (strstr($graph_variables[$field_name][$graph_item_id], "|date_time|")) {
$graph_variables[$field_name][$graph_item_id] = str_replace("|date_time|", date('D d M H:i:s T Y', strtotime(db_fetch_cell("SELECT value FROM settings WHERE name='date'"))), $graph_variables[$field_name][$graph_item_id]);
}
/* data source title substitution */
if (strstr($graph_variables[$field_name][$graph_item_id], "|data_source_title|")) {
$graph_variables[$field_name][$graph_item_id] = str_replace("|data_source_title|", get_data_source_title($graph_item["local_data_id"]), $graph_variables[$field_name][$graph_item_id]);
}
/* data query variables */
$graph_variables[$field_name][$graph_item_id] = rrd_substitute_host_query_data($graph_variables[$field_name][$graph_item_id], $graph, $graph_item);
/* Nth percentile */
if (preg_match_all("/\\|([0-9]{1,2}):(bits|bytes):(\\d):(current|total|max|total_peak|all_max_current|all_max_peak|aggregate_max|aggregate_sum|aggregate_current|aggregate):(\\d)?\\|/", $graph_variables[$field_name][$graph_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$graph_variables[$field_name][$graph_item_id] = str_replace($match[0], variable_nth_percentile($match, $graph_item, $graph_items, $graph_start, $graph_end), $graph_variables[$field_name][$graph_item_id]);
}
}
/* bandwidth summation */
if (preg_match_all("/\\|sum:(\\d|auto):(current|total|atomic):(\\d):(\\d+|auto)\\|/", $graph_variables[$field_name][$graph_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$graph_variables[$field_name][$graph_item_id] = str_replace($match[0], variable_bandwidth_summation($match, $graph_item, $graph_items, $graph_start, $graph_end, $rra["steps"], $ds_step), $graph_variables[$field_name][$graph_item_id]);
}
}
}
/* if we are not displaying a legend there is no point in us even processing the auto padding,
text format stuff. */
if (!isset($graph_data_array["graph_nolegend"])) {
/* set hard return variable if selected (\n) */
if ($graph_item["hard_return"] == "on") {
$hardreturn[$graph_item_id] = "\\n";
} else {
$hardreturn[$graph_item_id] = "";
}
/* +++++++++++++++++++++++ LEGEND: AUTO PADDING (<>'s) +++++++++++++++++++++++ */
/* PADDING: remember this is not perfect! its main use is for the basic graph setup of:
AREA - GPRINT-CURRENT - GPRINT-AVERAGE - GPRINT-MAXIMUM \n
of course it can be used in other situations, however may not work as intended.
If you have any additions to this small peice of code, feel free to send them to me. */
if ($graph["auto_padding"] == "on") {
/* only applies to AREA, STACK and LINEs */
if (preg_match("/(AREA|STACK|LINE[123])/", $graph_item_types[$graph_item["graph_type_id"]])) {
$text_format_length = strlen($graph_variables["text_format"][$graph_item_id]);
if ($text_format_length > $padding_estimate) {
$padding_estimate = $text_format_length;
}
}
}
}
$j++;
}
}
/* +++++++++++++++++++++++ GRAPH ITEMS: CDEF's +++++++++++++++++++++++ */
$i = 0;
reset($graph_items);
/* hack for rrdtool 1.2.x support */
$graph_item_stack_type = "";
if (sizeof($graph_items)) {
foreach ($graph_items as $graph_item) {
/* first we need to check if there is a DEF for the current data source/cf combination. if so,
we will use that */
if (isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][$graph_item["consolidation_function_id"]])) {
$cf_id = $graph_item["consolidation_function_id"];
} else {
/* if there is not a DEF defined for the current data source/cf combination, then we will have to
improvise. choose the first available cf in the following order: AVERAGE, MAX, MIN, LAST */
if (isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][1])) {
$cf_id = 1;
/* CF: AVERAGE */
} elseif (isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][3])) {
$cf_id = 3;
/* CF: MAX */
} elseif (isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][2])) {
$cf_id = 2;
/* CF: MIN */
} elseif (isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][4])) {
$cf_id = 4;
/* CF: LAST */
} else {
$cf_id = 1;
/* CF: AVERAGE */
}
}
/* now remember the correct CF reference */
$cf_id = $graph_item["cf_reference"];
/* make cdef string here; a note about CDEF's in cacti. A CDEF is neither unique to a
data source of global cdef, but is unique when those two variables combine. */
$cdef_graph_defs = "";
if (!empty($graph_item["cdef_id"]) && !isset($cdef_cache[$graph_item["cdef_id"]][$graph_item["data_template_rrd_id"]][$cf_id])) {
$cdef_string = $graph_variables["cdef_cache"][$graph_item["graph_templates_item_id"]];
$magic_item = array();
$already_seen = array();
$sources_seen = array();
$count_all_ds_dups = 0;
$count_all_ds_nodups = 0;
$count_similar_ds_dups = 0;
$count_similar_ds_nodups = 0;
/* if any of those magic variables are requested ... */
if (preg_match("/(ALL_DATA_SOURCES_(NO)?DUPS|SIMILAR_DATA_SOURCES_(NO)?DUPS)/", $cdef_string) || preg_match("/(COUNT_ALL_DS_(NO)?DUPS|COUNT_SIMILAR_DS_(NO)?DUPS)/", $cdef_string)) {
/* now walk through each case to initialize array*/
if (preg_match("/ALL_DATA_SOURCES_DUPS/", $cdef_string)) {
$magic_item["ALL_DATA_SOURCES_DUPS"] = "";
}
if (preg_match("/ALL_DATA_SOURCES_NODUPS/", $cdef_string)) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] = "";
}
if (preg_match("/SIMILAR_DATA_SOURCES_DUPS/", $cdef_string)) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] = "";
}
if (preg_match("/SIMILAR_DATA_SOURCES_NODUPS/", $cdef_string)) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] = "";
}
if (preg_match("/COUNT_ALL_DS_DUPS/", $cdef_string)) {
$magic_item["COUNT_ALL_DS_DUPS"] = "";
}
if (preg_match("/COUNT_ALL_DS_NODUPS/", $cdef_string)) {
$magic_item["COUNT_ALL_DS_NODUPS"] = "";
}
if (preg_match("/COUNT_SIMILAR_DS_DUPS/", $cdef_string)) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] = "";
}
if (preg_match("/COUNT_SIMILAR_DS_NODUPS/", $cdef_string)) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] = "";
}
/* loop over all graph items */
for ($t = 0; $t < count($graph_items); $t++) {
/* only work on graph items, omit GRPINTs, COMMENTs and stuff */
if (preg_match("/(AREA|STACK|LINE[123])/", $graph_item_types[$graph_items[$t]["graph_type_id"]]) && !empty($graph_items[$t]["data_template_rrd_id"])) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
/* matching consolidation function? */
if (isset($cf_ds_cache[$graph_items[$t]["data_template_rrd_id"]][$cf_id])) {
$def_name = generate_graph_def_name(strval($cf_ds_cache[$graph_items[$t]["data_template_rrd_id"]][$cf_id]));
/* do we need ALL_DATA_SOURCES_DUPS? */
if (isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$magic_item["ALL_DATA_SOURCES_DUPS"] .= ($count_all_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,{$def_name},{$def_name},UN,0,{$def_name},IF,IF";
/* convert unknowns to '0' first */
}
/* do we need COUNT_ALL_DS_DUPS? */
if (isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$magic_item["COUNT_ALL_DS_DUPS"] .= ($count_all_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,{$def_name},UN,0,1,IF,IF";
/* convert unknowns to '0' first */
}
$count_all_ds_dups++;
/* check if this item also qualifies for NODUPS */
if (!isset($already_seen[$def_name])) {
if (isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] .= ($count_all_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,{$def_name},{$def_name},UN,0,{$def_name},IF,IF";
/* convert unknowns to '0' first */
}
if (isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$magic_item["COUNT_ALL_DS_NODUPS"] .= ($count_all_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,{$def_name},UN,0,1,IF,IF";
/* convert unknowns to '0' first */
}
$count_all_ds_nodups++;
$already_seen[$def_name] = TRUE;
}
/* check for SIMILAR data sources */
if ($graph_item["data_source_name"] == $graph_items[$t]["data_source_name"]) {
/* do we need SIMILAR_DATA_SOURCES_DUPS? */
if (isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"]) && $graph_item["data_source_name"] == $graph_items[$t]["data_source_name"]) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] .= ($count_similar_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,{$def_name},{$def_name},UN,0,{$def_name},IF,IF";
/* convert unknowns to '0' first */
}
/* do we need COUNT_SIMILAR_DS_DUPS? */
if (isset($magic_item["COUNT_SIMILAR_DS_DUPS"]) && $graph_item["data_source_name"] == $graph_items[$t]["data_source_name"]) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] .= ($count_similar_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,{$def_name},UN,0,1,IF,IF";
/* convert unknowns to '0' first */
}
$count_similar_ds_dups++;
/* check if this item also qualifies for NODUPS */
if (!isset($sources_seen[$graph_items[$t]["data_template_rrd_id"]])) {
if (isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] .= ($count_similar_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,{$def_name},{$def_name},UN,0,{$def_name},IF,IF";
/* convert unknowns to '0' first */
}
if (isset($magic_item["COUNT_SIMILAR_DS_NODUPS"]) && $graph_item["data_source_name"] == $graph_items[$t]["data_source_name"]) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] .= ($count_similar_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,{$def_name},UN,0,1,IF,IF";
/* convert unknowns to '0' first */
}
$count_similar_ds_nodups++;
$sources_seen[$graph_items[$t]["data_template_rrd_id"]] = TRUE;
}
}
# SIMILAR data sources
}
# matching consolidation function?
}
# only work on graph items, omit GRPINTs, COMMENTs and stuff
}
# loop over all graph items
/* if there is only one item to total, don't even bother with the summation.
* Otherwise cdef=a,b,c,+,+ is fine. */
if ($count_all_ds_dups > 1 && isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$magic_item["ALL_DATA_SOURCES_DUPS"] .= str_repeat(",+", $count_all_ds_dups - 2) . ",+";
}
if ($count_all_ds_nodups > 1 && isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] .= str_repeat(",+", $count_all_ds_nodups - 2) . ",+";
}
if ($count_similar_ds_dups > 1 && isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] .= str_repeat(",+", $count_similar_ds_dups - 2) . ",+";
}
if ($count_similar_ds_nodups > 1 && isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] .= str_repeat(",+", $count_similar_ds_nodups - 2) . ",+";
}
if ($count_all_ds_dups > 1 && isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$magic_item["COUNT_ALL_DS_DUPS"] .= str_repeat(",+", $count_all_ds_dups - 2) . ",+";
}
if ($count_all_ds_nodups > 1 && isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$magic_item["COUNT_ALL_DS_NODUPS"] .= str_repeat(",+", $count_all_ds_nodups - 2) . ",+";
}
if ($count_similar_ds_dups > 1 && isset($magic_item["COUNT_SIMILAR_DS_DUPS"])) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] .= str_repeat(",+", $count_similar_ds_dups - 2) . ",+";
}
if ($count_similar_ds_nodups > 1 && isset($magic_item["COUNT_SIMILAR_DS_NODUPS"])) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] .= str_repeat(",+", $count_similar_ds_nodups - 2) . ",+";
}
}
$cdef_string = str_replace("CURRENT_DATA_SOURCE", generate_graph_def_name(strval(isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][$cf_id]) ? $cf_ds_cache[$graph_item["data_template_rrd_id"]][$cf_id] : "0")), $cdef_string);
/* ALL|SIMILAR_DATA_SOURCES(NO)?DUPS are to be replaced here */
if (isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$cdef_string = str_replace("ALL_DATA_SOURCES_DUPS", $magic_item["ALL_DATA_SOURCES_DUPS"], $cdef_string);
}
if (isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$cdef_string = str_replace("ALL_DATA_SOURCES_NODUPS", $magic_item["ALL_DATA_SOURCES_NODUPS"], $cdef_string);
}
if (isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"])) {
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_DUPS", $magic_item["SIMILAR_DATA_SOURCES_DUPS"], $cdef_string);
}
if (isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_NODUPS", $magic_item["SIMILAR_DATA_SOURCES_NODUPS"], $cdef_string);
}
/* COUNT_ALL|SIMILAR_DATA_SOURCES(NO)?DUPS are to be replaced here */
if (isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$cdef_string = str_replace("COUNT_ALL_DS_DUPS", $magic_item["COUNT_ALL_DS_DUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$cdef_string = str_replace("COUNT_ALL_DS_NODUPS", $magic_item["COUNT_ALL_DS_NODUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_SIMILAR_DS_DUPS"])) {
$cdef_string = str_replace("COUNT_SIMILAR_DS_DUPS", $magic_item["COUNT_SIMILAR_DS_DUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_SIMILAR_DS_NODUPS"])) {
$cdef_string = str_replace("COUNT_SIMILAR_DS_NODUPS", $magic_item["COUNT_SIMILAR_DS_NODUPS"], $cdef_string);
}
/* data source item variables */
$cdef_string = str_replace("CURRENT_DS_MINIMUM_VALUE", empty($graph_item["rrd_minimum"]) ? "0" : $graph_item["rrd_minimum"], $cdef_string);
$cdef_string = str_replace("CURRENT_DS_MAXIMUM_VALUE", empty($graph_item["rrd_maximum"]) ? "0" : $graph_item["rrd_maximum"], $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MINIMUM_VALUE", empty($graph["lower_limit"]) ? "0" : $graph["lower_limit"], $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MAXIMUM_VALUE", empty($graph["upper_limit"]) ? "0" : $graph["upper_limit"], $cdef_string);
/* replace query variables in cdefs */
$cdef_string = rrd_substitute_host_query_data($cdef_string, $graph, $graph_item);
/* make the initial "virtual" cdef name: 'cdef' + [a,b,c,d...] */
$cdef_graph_defs .= "CDEF:cdef" . generate_graph_def_name(strval($i)) . "=";
/* prohibit command injection and provide platform specific quoting */
$cdef_graph_defs .= cacti_escapeshellarg(sanitize_cdef($cdef_string), true);
$cdef_graph_defs .= " \\\n";
/* the CDEF cache is so we do not create duplicate CDEF's on a graph */
$cdef_cache[$graph_item["cdef_id"]][$graph_item["data_template_rrd_id"]][$cf_id] = "{$i}";
}
/* add the cdef string to the end of the def string */
$graph_defs .= $cdef_graph_defs;
/* note the current item_id for easy access */
$graph_item_id = $graph_item["graph_templates_item_id"];
/* if we are not displaying a legend there is no point in us even processing the auto padding,
text format stuff. */
if (!isset($graph_data_array["graph_nolegend"]) && $graph["auto_padding"] == "on") {
/* only applies to AREA, STACK and LINEs */
if (preg_match("/(AREA|STACK|LINE[123])/", $graph_item_types[$graph_item["graph_type_id"]])) {
$text_format_length = strlen($graph_variables["text_format"][$graph_item_id]);
/* we are basing how much to pad on area and stack text format,
not gprint. but of course the padding has to be displayed in gprint,
how fun! */
$pad_number = $padding_estimate - $text_format_length;
//cacti_log("MAX: $padding_estimate, CURR: $text_format_lengths[$item_dsid], DSID: $item_dsid");
$text_padding = str_pad("", $pad_number);
/* two GPRINT's in a row screws up the padding, lets not do that */
} else {
if ($graph_item_types[$graph_item["graph_type_id"]] == "GPRINT" && $last_graph_type == "GPRINT") {
$text_padding = "";
}
}
$last_graph_type = $graph_item_types[$graph_item["graph_type_id"]];
}
/* we put this in a variable so it can be manipulated before mainly used
if we want to skip it, like below */
$current_graph_item_type = $graph_item_types[$graph_item["graph_type_id"]];
/* IF this graph item has a data source... get a DEF name for it, or the cdef if that applies
to this graph item */
if ($graph_item["cdef_id"] == "0") {
if (isset($cf_ds_cache[$graph_item["data_template_rrd_id"]][$cf_id])) {
$data_source_name = generate_graph_def_name(strval($cf_ds_cache[$graph_item["data_template_rrd_id"]][$cf_id]));
} else {
$data_source_name = "";
}
} else {
$data_source_name = "cdef" . generate_graph_def_name(strval($cdef_cache[$graph_item["cdef_id"]][$graph_item["data_template_rrd_id"]][$cf_id]));
}
/* to make things easier... if there is no text format set; set blank text */
if (!isset($graph_variables["text_format"][$graph_item_id])) {
$graph_variables["text_format"][$graph_item_id] = "";
} else {
$graph_variables["text_format"][$graph_item_id] = str_replace('"', '\\"', $graph_variables["text_format"][$graph_item_id]);
/* escape doublequotes */
}
if (!isset($hardreturn[$graph_item_id])) {
$hardreturn[$graph_item_id] = "";
}
/* +++++++++++++++++++++++ GRAPH ITEMS +++++++++++++++++++++++ */
/* most of the calculations have been done above. now we have for print everything out
in an RRDTool-friendly fashion */
$need_rrd_nl = TRUE;
if (!isset($graph_data_array['export_csv'])) {
if ($graph_item_types[$graph_item["graph_type_id"]] == "COMMENT") {
# perform variable substitution first (in case this will yield an empty results or brings command injection problems)
$comment_arg = rrd_substitute_host_query_data($graph_variables["text_format"][$graph_item_id], $graph, $graph_item);
# next, compute the argument of the COMMENT statement and perform injection counter measures
if (trim($comment_arg) == '') {
# an empty COMMENT must be treated with care
$comment_arg = cacti_escapeshellarg(' ' . $hardreturn[$graph_item_id]);
} else {
$comment_arg = cacti_escapeshellarg($comment_arg . $hardreturn[$graph_item_id]);
}
# create rrdtool specific command line
$txt_graph_items .= $graph_item_types[$graph_item["graph_type_id"]] . ":" . str_replace(":", "\\:", $comment_arg) . " ";
} elseif ($graph_item_types[$graph_item["graph_type_id"]] == "GPRINT" && !isset($graph_data_array["graph_nolegend"])) {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\\:", $graph_variables["text_format"][$graph_item_id]);
/* escape colons */
$txt_graph_items .= $graph_item_types[$graph_item["graph_type_id"]] . ":" . $data_source_name . ":" . $consolidation_functions[$graph_item["consolidation_function_id"]] . ":" . cacti_escapeshellarg($text_padding . $graph_variables["text_format"][$graph_item_id] . $graph_item["gprint_text"] . $hardreturn[$graph_item_id]) . " ";
} elseif (preg_match("/^(AREA|LINE[123]|STACK|HRULE|VRULE)\$/", $graph_item_types[$graph_item["graph_type_id"]])) {
/* initialize any color syntax for graph item */
if (empty($graph_item["hex"])) {
$graph_item_color_code = "";
} else {
$graph_item_color_code = "#" . $graph_item["hex"];
$graph_item_color_code .= $graph_item["alpha"];
}
if (preg_match("/^(AREA|LINE[123])\$/", $graph_item_types[$graph_item["graph_type_id"]])) {
$graph_item_stack_type = $graph_item_types[$graph_item["graph_type_id"]];
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\\:", $graph_variables["text_format"][$graph_item_id]);
/* escape colons */
$txt_graph_items .= $graph_item_types[$graph_item["graph_type_id"]] . ":" . $data_source_name . $graph_item_color_code . ":" . cacti_escapeshellarg($graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id]) . " ";
} elseif ($graph_item_types[$graph_item["graph_type_id"]] == "STACK") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\\:", $graph_variables["text_format"][$graph_item_id]);
/* escape colons */
$txt_graph_items .= $graph_item_stack_type . ":" . $data_source_name . $graph_item_color_code . ":" . cacti_escapeshellarg($graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id]) . ":STACK";
} elseif ($graph_item_types[$graph_item["graph_type_id"]] == "HRULE") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\\:", $graph_variables["text_format"][$graph_item_id]);
/* escape colons */
$graph_variables["value"][$graph_item_id] = str_replace(":", "\\:", $graph_variables["value"][$graph_item_id]);
/* escape colons */
/* perform variable substitution; if this does not return a number, rrdtool will FAIL! */
$substitute = rrd_substitute_host_query_data($graph_variables["value"][$graph_item_id], $graph, $graph_item);
if (is_numeric($substitute)) {
$graph_variables["value"][$graph_item_id] = $substitute;
}
$txt_graph_items .= $graph_item_types[$graph_item["graph_type_id"]] . ":" . $graph_variables["value"][$graph_item_id] . $graph_item_color_code . ":" . cacti_escapeshellarg($graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id]) . " ";
} elseif ($graph_item_types[$graph_item["graph_type_id"]] == "VRULE") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\\:", $graph_variables["text_format"][$graph_item_id]);
/* escape colons */
if (substr_count($graph_item["value"], ":")) {
$value_array = explode(":", $graph_item["value"]);
if ($value_array[0] < 0) {
$value = date("U") - -3600 * $value_array[0] - 60 * $value_array[1];
} else {
$value = date("U", mktime($value_array[0], $value_array[1], 0));
}
} else {
if (is_numeric($graph_item["value"])) {
$value = $graph_item["value"];
}
}
$txt_graph_items .= $graph_item_types[$graph_item["graph_type_id"]] . ":" . $value . $graph_item_color_code . ":" . cacti_escapeshellarg($graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id]) . " ";
}
} else {
$need_rrd_nl = FALSE;
}
} else {
if (preg_match("/^(AREA|LINE[123]|STACK)\$/", $graph_item_types[$graph_item["graph_type_id"]])) {
/* give all export items a name */
if (trim($graph_variables["text_format"][$graph_item_id]) == "") {
$legend_name = "col" . $j . "-" . $data_source_name;
} else {
$legend_name = $graph_variables["text_format"][$graph_item_id];
}
$stacked_columns["col" . $j] = $graph_item_types[$graph_item["graph_type_id"]] == "STACK" ? 1 : 0;
$j++;
$txt_graph_items .= "XPORT:" . cacti_escapeshellarg($data_source_name) . ":" . str_replace(":", "", cacti_escapeshellarg($legend_name));
} else {
$need_rrd_nl = FALSE;
}
}
$i++;
if ($i < sizeof($graph_items) && $need_rrd_nl) {
$txt_graph_items .= RRD_NL;
}
}
}
if (!isset($graph_data_array['export_csv']) || $graph_data_array['export_csv'] != true) {
$graph_array = api_plugin_hook_function('rrd_graph_graph_options', array('graph_opts' => $graph_opts, 'graph_defs' => $graph_defs, 'txt_graph_items' => $txt_graph_items, 'graph_id' => $local_graph_id, 'start' => $graph_start, 'end' => $graph_end));
if (!empty($graph_array)) {
$graph_defs = $graph_array['graph_defs'];
$txt_graph_items = $graph_array['txt_graph_items'];
$graph_opts = $graph_array['graph_opts'];
}
/* either print out the source or pass the source onto rrdtool to get us a nice PNG */
if (isset($graph_data_array["print_source"])) {
print "<PRE>" . htmlspecialchars(read_config_option("path_rrdtool") . " graph " . $graph_opts . $graph_defs . $txt_graph_items) . "</PRE>";
} else {
if (isset($graph_data_array["export"])) {
rrdtool_execute("graph {$graph_opts}{$graph_defs}{$txt_graph_items}", false, RRDTOOL_OUTPUT_NULL, $rrdtool_pipe);
return 0;
} elseif (isset($graph_data_array['export_realtime'])) {
$output_flag = RRDTOOL_OUTPUT_GRAPH_DATA;
$output = rrdtool_execute("graph {$graph_opts}{$graph_defs}{$txt_graph_items}", false, $output_flag, $rrdtool_pipe);
//cacti_log(str_replace(RRD_NL, ' ', "rrdtool graph $graph_opts$graph_defs$txt_graph_items"));
if ($fp = fopen($graph_data_array['export_realtime'], 'w')) {
fwrite($fp, $output, strlen($output));
fclose($fp);
chmod($graph_data_array['export_realtime'], 0644);
}
return $output;
} else {
$graph_data_array = boost_prep_graph_array($graph_data_array);
if (!isset($graph_data_array["output_flag"])) {
$output_flag = RRDTOOL_OUTPUT_GRAPH_DATA;
} else {
$output_flag = $graph_data_array["output_flag"];
}
$output = rrdtool_execute("graph {$graph_opts}{$graph_defs}{$txt_graph_items}", false, $output_flag, $rrdtool_pipe);
boost_graph_set_file($output, $local_graph_id, $rra_id);
return $output;
}
}
} else {
$output_flag = RRDTOOL_OUTPUT_STDOUT;
$xport_array = rrdxport2array(rrdtool_execute("xport {$graph_opts}{$graph_defs}{$txt_graph_items}", false, $output_flag));
/* add host and graph information */
$xport_array["meta"]["stacked_columns"] = $stacked_columns;
$xport_array["meta"]["title_cache"] = cacti_escapeshellarg($graph["title_cache"]);
$xport_array["meta"]["vertical_label"] = cacti_escapeshellarg($graph["vertical_label"]);
$xport_array["meta"]["local_graph_id"] = $local_graph_id;
$xport_array["meta"]["host_id"] = $graph["host_id"];
return $xport_array;
}
}
function rrdtool_function_graph($local_graph_id, $rra_id, $graph_data_array, $rrd_struc = array()) {
global $config;
include_once($config["library_path"] . "/cdef.php");
include_once($config["library_path"] . "/graph_variables.php");
include($config["include_path"] . "/config_arrays.php");
/* set the rrdtool default font */
if (read_config_option("path_rrdtool_default_font")) {
putenv("RRD_DEFAULT_FONT=" . read_config_option("path_rrdtool_default_font"));
}
/* before we do anything; make sure the user has permission to view this graph,
if not then get out */
if ((read_config_option("global_auth") == "on") && (isset($_SESSION["sess_user_id"]))) {
$access_denied = !(is_graph_allowed($local_graph_id));
if ($access_denied == true) {
return "GRAPH ACCESS DENIED";
}
}
/* find the step and how often this graph is updated with new data */
$ds_step = db_fetch_cell("select
data_template_data.rrd_step
from (data_template_data,data_template_rrd,graph_templates_item)
where graph_templates_item.task_item_id=data_template_rrd.id
and data_template_rrd.local_data_id=data_template_data.local_data_id
and graph_templates_item.local_graph_id=$local_graph_id
limit 0,1");
$ds_step = empty($ds_step) ? 300 : $ds_step;
/* if no rra was specified, we need to figure out which one RRDTool will choose using
* "best-fit" resolution fit algorithm */
if (empty($rra_id)) {
if ((empty($graph_data_array["graph_start"])) || (empty($graph_data_array["graph_end"]))) {
$rra["rows"] = 600;
$rra["steps"] = 1;
$rra["timespan"] = 86400;
}else{
/* get a list of RRAs related to this graph */
$rras = get_associated_rras($local_graph_id);
if (sizeof($rras) > 0) {
foreach ($rras as $unchosen_rra) {
/* the timespan specified in the RRA "timespan" field may not be accurate */
$real_timespan = ($ds_step * $unchosen_rra["steps"] * $unchosen_rra["rows"]);
/* make sure the current start/end times fit within each RRA's timespan */
if ( (($graph_data_array["graph_end"] - $graph_data_array["graph_start"]) <= $real_timespan) && ((time() - $graph_data_array["graph_start"]) <= $real_timespan) ) {
/* is this RRA better than the already chosen one? */
if ((isset($rra)) && ($unchosen_rra["steps"] < $rra["steps"])) {
$rra = $unchosen_rra;
}else if (!isset($rra)) {
$rra = $unchosen_rra;
}
}
}
}
if (!isset($rra)) {
$rra["rows"] = 600;
$rra["steps"] = 1;
}
}
}else{
$rra = db_fetch_row("select timespan,rows,steps from rra where id=$rra_id");
}
$seconds_between_graph_updates = ($ds_step * $rra["steps"]);
$graph = db_fetch_row("select
graph_local.host_id,
graph_local.snmp_query_id,
graph_local.snmp_index,
graph_templates_graph.title_cache,
graph_templates_graph.vertical_label,
graph_templates_graph.auto_scale,
graph_templates_graph.auto_scale_opts,
graph_templates_graph.auto_scale_log,
graph_templates_graph.auto_scale_rigid,
graph_templates_graph.auto_padding,
graph_templates_graph.base_value,
graph_templates_graph.upper_limit,
graph_templates_graph.lower_limit,
graph_templates_graph.height,
graph_templates_graph.width,
graph_templates_graph.image_format_id,
graph_templates_graph.unit_value,
graph_templates_graph.unit_exponent_value,
graph_templates_graph.export
from (graph_templates_graph,graph_local)
where graph_local.id=graph_templates_graph.local_graph_id
and graph_templates_graph.local_graph_id=$local_graph_id");
/* lets make that sql query... */
$graph_items = db_fetch_assoc("select
graph_templates_item.id as graph_templates_item_id,
graph_templates_item.cdef_id,
graph_templates_item.text_format,
graph_templates_item.value,
graph_templates_item.hard_return,
graph_templates_item.consolidation_function_id,
graph_templates_item.graph_type_id,
graph_templates_gprint.gprint_text,
colors.hex,
data_template_rrd.id as data_template_rrd_id,
data_template_rrd.local_data_id,
data_template_rrd.rrd_minimum,
data_template_rrd.rrd_maximum,
data_template_rrd.data_source_name,
data_template_rrd.local_data_template_rrd_id
from graph_templates_item
left join data_template_rrd on (graph_templates_item.task_item_id=data_template_rrd.id)
left join colors on (graph_templates_item.color_id=colors.id)
left join graph_templates_gprint on (graph_templates_item.gprint_id=graph_templates_gprint.id)
where graph_templates_item.local_graph_id=$local_graph_id
order by graph_templates_item.sequence");
/* +++++++++++++++++++++++ GRAPH OPTIONS +++++++++++++++++++++++ */
/* define some variables */
$scale = "";
$rigid = "";
$unit_exponent_value = "";
$graph_legend = "";
$graph_defs = "";
$txt_graph_items = "";
$text_padding = "";
$greatest_text_format = 0;
$last_graph_type = "";
if ($graph["auto_scale"] == "on") {
if ($graph["auto_scale_opts"] == "1") {
$scale = "--alt-autoscale" . RRD_NL;
}elseif ($graph["auto_scale_opts"] == "2") {
$scale = "--alt-autoscale-max" . RRD_NL;
$scale .= "--lower-limit=" . $graph["lower_limit"] . RRD_NL;
}
if ($graph["auto_scale_log"] == "on") {
$scale .= "--logarithmic" . RRD_NL;
}
}else{
$scale = "--upper-limit=" . $graph["upper_limit"] . RRD_NL;
$scale .= "--lower-limit=" . $graph["lower_limit"] . RRD_NL;
}
if ($graph["auto_scale_rigid"] == "on") {
$rigid = "--rigid" . RRD_NL;
}
if (!empty($graph["unit_value"])) {
$unit_value = "--unit=" . $graph["unit_value"] . RRD_NL;
}
if (ereg("^[0-9]+$", $graph["unit_exponent_value"])) {
$unit_exponent_value = "--units-exponent=" . $graph["unit_exponent_value"] . RRD_NL;
}
/*
* optionally you can specify and array that overrides some of the db's values, lets set
* that all up here
*/
/* override: graph start time */
if ((!isset($graph_data_array["graph_start"])) || ($graph_data_array["graph_start"] == "0")) {
$graph_start = -($rra["timespan"]);
}else{
$graph_start = $graph_data_array["graph_start"];
}
/* override: graph end time */
if ((!isset($graph_data_array["graph_end"])) || ($graph_data_array["graph_end"] == "0")) {
$graph_end = -($seconds_between_graph_updates);
}else{
$graph_end = $graph_data_array["graph_end"];
}
/* override: graph height (in pixels) */
if (isset($graph_data_array["graph_height"])) {
$graph_height = $graph_data_array["graph_height"];
}else{
$graph_height = $graph["height"];
}
/* override: graph width (in pixels) */
if (isset($graph_data_array["graph_width"])) {
$graph_width = $graph_data_array["graph_width"];
}else{
$graph_width = $graph["width"];
}
/* override: skip drawing the legend? */
if (isset($graph_data_array["graph_nolegend"])) {
$graph_legend = "--no-legend" . RRD_NL;
}else{
$graph_legend = "";
}
/* export options */
if (isset($graph_data_array["export"])) {
$graph_opts = read_config_option("path_html_export") . "/" . $graph_data_array["export_filename"] . RRD_NL;
}else{
if (empty($graph_data_array["output_filename"])) {
$graph_opts = "-" . RRD_NL;
}else{
$graph_opts = $graph_data_array["output_filename"] . RRD_NL;
}
}
/* setup date format */
$date_fmt = read_graph_config_option("default_date_format");
$datechar = read_graph_config_option("default_datechar");
if ($datechar == GDC_HYPHEN) {
$datechar = "-";
}else {
$datechar = "/";
}
switch ($date_fmt) {
case GD_MO_D_Y:
$graph_date = "m" . $datechar . "d" . $datechar . "Y H:i:s";
break;
case GD_MN_D_Y:
$graph_date = "M" . $datechar . "d" . $datechar . "Y H:i:s";
break;
case GD_D_MO_Y:
$graph_date = "d" . $datechar . "m" . $datechar . "Y H:i:s";
break;
case GD_D_MN_Y:
$graph_date = "d" . $datechar . "M" . $datechar . "Y H:i:s";
break;
case GD_Y_MO_D:
$graph_date = "Y" . $datechar . "m" . $datechar . "d H:i:s";
break;
case GD_Y_MN_D:
$graph_date = "Y" . $datechar . "M" . $datechar . "d H:i:s";
break;
}
/* display the timespan for zoomed graphs */
if ((isset($graph_data_array["graph_start"])) && (isset($graph_data_array["graph_end"]))) {
if (($graph_data_array["graph_start"] < 0) && ($graph_data_array["graph_end"] < 0)) {
if (read_config_option("rrdtool_version") == "rrd-1.2.x") {
$graph_legend .= "COMMENT:\"From " . str_replace(":", "\:", date($graph_date, time()+$graph_data_array["graph_start"])) . " To " . str_replace(":", "\:", date($graph_date, time()+$graph_data_array["graph_end"])) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}else {
$graph_legend .= "COMMENT:\"From " . date($graph_date, time()+$graph_data_array["graph_start"]) . " To " . date($graph_date, time()+$graph_data_array["graph_end"]) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}
}else if (($graph_data_array["graph_start"] >= 0) && ($graph_data_array["graph_end"] >= 0)) {
if (read_config_option("rrdtool_version") == "rrd-1.2.x") {
$graph_legend .= "COMMENT:\"From " . str_replace(":", "\:", date($graph_date, $graph_data_array["graph_start"])) . " To " . str_replace(":", "\:", date($graph_date, $graph_data_array["graph_end"])) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}else {
$graph_legend .= "COMMENT:\"From " . date($graph_date, $graph_data_array["graph_start"]) . " To " . date($graph_date, $graph_data_array["graph_end"]) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}
}
}
/* basic graph options */
$graph_opts .=
"--imgformat=" . $image_types{$graph["image_format_id"]} . RRD_NL .
"--start=$graph_start" . RRD_NL .
"--end=$graph_end" . RRD_NL .
"--title=\"" . str_replace("\"", "\\\"", $graph["title_cache"]) . "\"" . RRD_NL .
"$rigid" .
"--base=" . $graph["base_value"] . RRD_NL .
"--height=$graph_height" . RRD_NL .
"--width=$graph_width" . RRD_NL .
"$scale" .
"$unit_exponent_value" .
"$graph_legend" .
"--vertical-label=\"" . $graph["vertical_label"] . "\"" . RRD_NL;
/* rrdtool 1.2.x does not provide smooth lines, let's force it */
if (read_config_option("rrdtool_version") == "rrd-1.2.x") {
$graph_opts .= "--slope-mode" . RRD_NL;
}
/* rrdtool 1.2 font options */
if (read_config_option("rrdtool_version") == "rrd-1.2.x") {
/* title fonts */
if (file_exists(read_graph_config_option("title_font"))) {
$graph_opts .= "--font TITLE:" . read_graph_config_option("title_size") . ":" . read_graph_config_option("title_font") . RRD_NL;
}elseif (file_exists(read_config_option("title_font"))) {
$graph_opts .= "--font TITLE:" . read_config_option("title_size") . ":" . read_config_option("title_font") . RRD_NL;
}
/* axis fonts */
if (file_exists(read_graph_config_option("axis_font"))) {
$graph_opts .= "--font AXIS:" . read_graph_config_option("axis_size") . ":" . read_graph_config_option("axis_font") . RRD_NL;
}elseif (file_exists(read_config_option("axis_font"))) {
$graph_opts .= "--font AXIS:" . read_config_option("axis_size") . ":" . read_config_option("axis_font") . RRD_NL;
}
/* legend fonts */
if (file_exists(read_graph_config_option("legend_font"))) {
$graph_opts .= "--font LEGEND:" . read_graph_config_option("legend_size") . ":" . read_graph_config_option("legend_font") . RRD_NL;
}elseif (file_exists(read_config_option("legend_font"))) {
$graph_opts .= "--font LEGEND:" . read_config_option("legend_size") . ":" . read_config_option("legend_font") . RRD_NL;
}
/* unit fonts */
if (file_exists(read_graph_config_option("unit_font"))) {
$graph_opts .= "--font UNIT:" . read_graph_config_option("unit_size") . ":" . read_graph_config_option("unit_font") . RRD_NL;
}elseif (file_exists(read_config_option("unit_font"))) {
$graph_opts .= "--font UNIT:" . read_config_option("unit_size") . ":" . read_config_option("unit_font") . RRD_NL;
}
}
$i = 0; $j = 0;
if (sizeof($graph_items > 0)) {
foreach ($graph_items as $graph_item) {
if ((ereg("(AREA|STACK|LINE[123])", $graph_item_types{$graph_item["graph_type_id"]})) && ($graph_item["data_source_name"] != "")) {
/* use a user-specified ds path if one is entered */
$data_source_path = get_data_source_path($graph_item["local_data_id"], true);
/* FOR WIN32: Escape all colon for drive letters (ex. D\:/path/to/rra) */
$data_source_path = str_replace(":", "\:", $data_source_path);
if (!empty($data_source_path)) {
/* NOTE: (Update) Data source DEF names are created using the graph_item_id; then passed
to a function that matches the digits with letters. rrdtool likes letters instead
of numbers in DEF names; especially with CDEF's. cdef's are created
the same way, except a 'cdef' is put on the beginning of the hash */
$graph_defs .= "DEF:" . generate_graph_def_name(strval($i)) . "=\"$data_source_path\":" . $graph_item["data_source_name"] . ":" . $consolidation_functions{$graph_item["consolidation_function_id"]} . RRD_NL;
//print "ds: " . $graph_item["data_template_rrd_id"] . "<br>";
$cf_ds_cache{$graph_item["data_template_rrd_id"]}{$graph_item["consolidation_function_id"]} = "$i";
$i++;
}
}
/* cache cdef value here to support data query variables in the cdef string */
if (empty($graph_item["cdef_id"])) {
$graph_item["cdef_cache"] = "";
$graph_items[$j]["cdef_cache"] = "";
}else{
$graph_item["cdef_cache"] = get_cdef($graph_item["cdef_id"]);
$graph_items[$j]["cdef_cache"] = get_cdef($graph_item["cdef_id"]);
}
/* +++++++++++++++++++++++ LEGEND: TEXT SUBSITUTION (<>'s) +++++++++++++++++++++++ */
/* note the current item_id for easy access */
$graph_item_id = $graph_item["graph_templates_item_id"];
/* the following fields will be searched for graph variables */
$variable_fields = array(
"text_format" => array(
"process_no_legend" => false
),
"value" => array(
"process_no_legend" => true
),
"cdef_cache" => array(
"process_no_legend" => true
)
);
/* loop through each field that we want to substitute values for:
currently: text format and value */
while (list($field_name, $field_array) = each($variable_fields)) {
/* certain fields do not require values when the legend is not to be shown */
if (($field_array["process_no_legend"] == false) && (isset($graph_data_array["graph_nolegend"]))) {
continue;
}
$graph_variables[$field_name][$graph_item_id] = $graph_item[$field_name];
/* date/time substitution */
if (strstr($graph_variables[$field_name][$graph_item_id], "|date_time|")) {
$graph_variables[$field_name][$graph_item_id] = str_replace("|date_time|", date('D d M H:i:s T Y', strtotime(db_fetch_cell("select value from settings where name='date'"))), $graph_variables[$field_name][$graph_item_id]);
}
/* data query variables */
if (preg_match("/\|query_[a-zA-Z0-9_]+\|/", $graph_variables[$field_name][$graph_item_id])) {
/* default to the graph data query information from the graph */
if (empty($graph_item["local_data_id"])) {
$graph_variables[$field_name][$graph_item_id] = substitute_snmp_query_data($graph_variables[$field_name][$graph_item_id], $graph["host_id"], $graph["snmp_query_id"], $graph["snmp_index"]);
/* use the data query information from the data source if possible */
}else{
$data_local = db_fetch_row("select snmp_index,snmp_query_id,host_id from data_local where id='" . $graph_item["local_data_id"] . "'");
$graph_variables[$field_name][$graph_item_id] = substitute_snmp_query_data($graph_variables[$field_name][$graph_item_id], $data_local["host_id"], $data_local["snmp_query_id"], $data_local["snmp_index"]);
}
}
/* Nth percentile */
if (preg_match_all("/\|([0-9]{1,2}):(bits|bytes):(\d):(current|total|max|total_peak|all_max_current|all_max_peak|aggregate_max|aggregate_sum|aggregate)(:(\d))?\|/", $graph_variables[$field_name][$graph_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$graph_variables[$field_name][$graph_item_id] = str_replace($match[0], variable_nth_percentile($match, $graph_item, $graph_items, $graph_start, $graph_end), $graph_variables[$field_name][$graph_item_id]);
}
}
/* bandwidth summation */
if (preg_match_all("/\|sum:(\d|auto):(current|total|atomic):(\d):(\d+|auto)\|/", $graph_variables[$field_name][$graph_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$graph_variables[$field_name][$graph_item_id] = str_replace($match[0], variable_bandwidth_summation($match, $graph_item, $graph_items, $graph_start, $graph_end, $rra["steps"], $ds_step), $graph_variables[$field_name][$graph_item_id]);
}
}
}
/* if we are not displaying a legend there is no point in us even processing the auto padding,
text format stuff. */
if (!isset($graph_data_array["graph_nolegend"])) {
/* set hard return variable if selected (\n) */
if ($graph_item["hard_return"] == "on") {
$hardreturn[$graph_item_id] = "\\n";
}else{
$hardreturn[$graph_item_id] = "";
}
/* +++++++++++++++++++++++ LEGEND: AUTO PADDING (<>'s) +++++++++++++++++++++++ */
/* PADDING: remember this is not perfect! its main use is for the basic graph setup of:
AREA - GPRINT-CURRENT - GPRINT-AVERAGE - GPRINT-MAXIMUM \n
of course it can be used in other situations, however may not work as intended.
If you have any additions to this small peice of code, feel free to send them to me. */
if ($graph["auto_padding"] == "on") {
/* only applies to AREA and STACK */
if (ereg("(AREA|STACK|LINE[123])", $graph_item_types{$graph_item["graph_type_id"]})) {
$text_format_lengths{$graph_item["data_template_rrd_id"]} = strlen($graph_variables["text_format"][$graph_item_id]);
if ((strlen($graph_variables["text_format"][$graph_item_id]) > $greatest_text_format) && ($graph_item_types{$graph_item["graph_type_id"]} != "COMMENT")) {
$greatest_text_format = strlen($graph_variables["text_format"][$graph_item_id]);
}
}
}
}
$j++;
}
}
/* +++++++++++++++++++++++ GRAPH ITEMS: CDEF's +++++++++++++++++++++++ */
$i = 0;
reset($graph_items);
/* hack for rrdtool 1.2.x support */
$graph_item_stack_type = "";
if (sizeof($graph_items) > 0) {
foreach ($graph_items as $graph_item) {
/* first we need to check if there is a DEF for the current data source/cf combination. if so,
we will use that */
if (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}{$graph_item["consolidation_function_id"]})) {
$cf_id = $graph_item["consolidation_function_id"];
}else{
/* if there is not a DEF defined for the current data source/cf combination, then we will have to
improvise. choose the first available cf in the following order: AVERAGE, MAX, MIN, LAST */
if (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[1])) {
$cf_id = 1; /* CF: AVERAGE */
}elseif (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[3])) {
$cf_id = 3; /* CF: MAX */
}elseif (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[2])) {
$cf_id = 2; /* CF: MIN */
}elseif (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[4])) {
$cf_id = 4; /* CF: LAST */
}else{
$cf_id = 1; /* CF: AVERAGE */
}
}
/* make cdef string here; a note about CDEF's in cacti. A CDEF is neither unique to a
data source of global cdef, but is unique when those two variables combine. */
$cdef_graph_defs = ""; $cdef_total_ds = ""; $cdef_similar_ds = "";
if ((!empty($graph_item["cdef_id"])) && (!isset($cdef_cache{$graph_item["cdef_id"]}{$graph_item["data_template_rrd_id"]}[$cf_id]))) {
$cdef_string = $graph_variables["cdef_cache"]{$graph_item["graph_templates_item_id"]};
/* create cdef string for "total all data sources" if requested */
if (ereg("ALL_DATA_SOURCES_(NO)?DUPS", $cdef_string)) {
$item_count = 0;
for ($t=0;($t<count($graph_items));$t++) {
if ((ereg("(AREA|STACK|LINE[123])", $graph_item_types{$graph_items[$t]["graph_type_id"]})) && (!empty($graph_items[$t]["data_template_rrd_id"]))) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
if (isset($cf_ds_cache{$graph_items[$t]["data_template_rrd_id"]}[$cf_id])) {
$def_name = generate_graph_def_name(strval($cf_ds_cache{$graph_items[$t]["data_template_rrd_id"]}[$cf_id]));
$cdef_total_ds .= ($item_count == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
$item_count++;
}
}
}
/* if there is only one item to total, don't even bother with the summation. otherwise
cdef=a,b,c,+,+ is fine. */
if ($item_count > 1) {
$cdef_total_ds .= str_repeat(",+", ($item_count - 2)) . ",+";
}
}
/* create cdef string for "total similar data sources" if requested */
if (ereg("SIMILAR_DATA_SOURCES_(NO)?DUPS", $cdef_string) ) {
$sources_seen = array();
$item_count = 0;
for ($t=0;($t<count($graph_items));$t++) {
if ((ereg("(AREA|STACK|LINE[123])", $graph_item_types{$graph_items[$t]["graph_type_id"]})) && (!empty($graph_items[$t]["data_template_rrd_id"])) && ($graph_item["data_source_name"] == $graph_items[$t]["data_source_name"]) && ($graph_item["graph_templates_item_id"] != $graph_items[$t]["graph_templates_item_id"])) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
if (isset($cf_ds_cache{$graph_items[$t]["data_template_rrd_id"]}[$cf_id]) && (!isset($sources_seen{$graph_items[$t]["data_template_rrd_id"]}))) {
$def_name = generate_graph_def_name(strval($cf_ds_cache{$graph_items[$t]["data_template_rrd_id"]}[$cf_id]));
$cdef_similar_ds .= ($item_count == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
$sources_seen{$graph_items[$t]["data_template_rrd_id"]} = 1;
$item_count++;
}
}
}
/* if there is only one item to total, don't even bother with the summation. otherwise
cdef=a,b,c,+,+ is fine. */
if ($item_count > 1) {
$cdef_similar_ds .= str_repeat(",+", ($item_count - 2)) . ",+";
}
}
$cdef_string = str_replace("CURRENT_DATA_SOURCE", generate_graph_def_name(strval((isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id]) ? $cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id] : "0"))), $cdef_string);
$cdef_string = str_replace("ALL_DATA_SOURCES_NODUPS", $cdef_total_ds, $cdef_string);
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_NODUPS", $cdef_similar_ds, $cdef_string);
/* data source item variables */
$cdef_string = str_replace("CURRENT_DS_MINIMUM_VALUE", (empty($graph_item["rrd_minimum"]) ? "0" : $graph_item["rrd_minimum"]), $cdef_string);
$cdef_string = str_replace("CURRENT_DS_MAXIMUM_VALUE", (empty($graph_item["rrd_maximum"]) ? "0" : $graph_item["rrd_maximum"]), $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MINIMUM_VALUE", (empty($graph["lower_limit"]) ? "0" : $graph["lower_limit"]), $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MAXIMUM_VALUE", (empty($graph["upper_limit"]) ? "0" : $graph["upper_limit"]), $cdef_string);
/* make the initial "virtual" cdef name: 'cdef' + [a,b,c,d...] */
$cdef_graph_defs .= "CDEF:cdef" . generate_graph_def_name(strval($i)) . "=";
$cdef_graph_defs .= $cdef_string;
$cdef_graph_defs .= " \\\n";
/* the CDEF cache is so we do not create duplicate CDEF's on a graph */
$cdef_cache{$graph_item["cdef_id"]}{$graph_item["data_template_rrd_id"]}[$cf_id] = "$i";
}
/* add the cdef string to the end of the def string */
$graph_defs .= $cdef_graph_defs;
/* note the current item_id for easy access */
$graph_item_id = $graph_item["graph_templates_item_id"];
/* if we are not displaying a legend there is no point in us even processing the auto padding,
text format stuff. */
if ((!isset($graph_data_array["graph_nolegend"])) && ($graph["auto_padding"] == "on") && (isset($text_format_lengths{$graph_item["data_template_rrd_id"]}))) {
/* we are basing how much to pad on area and stack text format,
not gprint. but of course the padding has to be displayed in gprint,
how fun! */
$pad_number = ($greatest_text_format - $text_format_lengths{$graph_item["data_template_rrd_id"]});
//cacti_log("MAX: $greatest_text_format, CURR: $text_format_lengths[$item_dsid], DSID: $item_dsid");
$text_padding = str_pad("", $pad_number);
/* two GPRINT's in a row screws up the padding, lets not do that */
if (($graph_item_types{$graph_item["graph_type_id"]} == "GPRINT") && ($last_graph_type == "GPRINT")) {
$text_padding = "";
}
$last_graph_type = $graph_item_types{$graph_item["graph_type_id"]};
}
/* we put this in a variable so it can be manipulated before mainly used
if we want to skip it, like below */
$current_graph_item_type = $graph_item_types{$graph_item["graph_type_id"]};
/* IF this graph item has a data source... get a DEF name for it, or the cdef if that applies
to this graph item */
if ($graph_item["cdef_id"] == "0") {
if (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id])) {
$data_source_name = generate_graph_def_name(strval($cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id]));
}else{
$data_source_name = "";
}
}else{
$data_source_name = "cdef" . generate_graph_def_name(strval($cdef_cache{$graph_item["cdef_id"]}{$graph_item["data_template_rrd_id"]}[$cf_id]));
}
/* to make things easier... if there is no text format set; set blank text */
if (!isset($graph_variables["text_format"][$graph_item_id])) {
$graph_variables["text_format"][$graph_item_id] = "";
}
if (!isset($hardreturn[$graph_item_id])) {
$hardreturn[$graph_item_id] = "";
}
/* +++++++++++++++++++++++ GRAPH ITEMS +++++++++++++++++++++++ */
/* most of the calculations have been done above. now we have for print everything out
in an RRDTool-friendly fashion */
$need_rrd_nl = TRUE;
if ($graph_item_types{$graph_item["graph_type_id"]} == "COMMENT") {
if (read_config_option("rrdtool_version") == "rrd-1.2.x") {
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":\"" . str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]) . $hardreturn[$graph_item_id] . "\" ";
}else {
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}
}elseif (($graph_item_types{$graph_item["graph_type_id"]} == "GPRINT") && (!isset($graph_data_array["graph_nolegend"]))) {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $data_source_name . ":" . $consolidation_functions{$graph_item["consolidation_function_id"]} . ":\"$text_padding" . $graph_variables["text_format"][$graph_item_id] . $graph_item["gprint_text"] . $hardreturn[$graph_item_id] . "\" ";
}elseif (ereg("^(AREA|LINE[123]|STACK|HRULE|VRULE)$", $graph_item_types{$graph_item["graph_type_id"]})) {
/* initialize any color syntax for graph item */
if (empty($graph_item["hex"])) {
$graph_item_color_code = "";
}else{
$graph_item_color_code = "#" . $graph_item["hex"];
}
if (ereg("^(AREA|LINE[123])$", $graph_item_types{$graph_item["graph_type_id"]})) {
$graph_item_stack_type = $graph_item_types{$graph_item["graph_type_id"]};
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $data_source_name . $graph_item_color_code . ":" . "\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}elseif ($graph_item_types{$graph_item["graph_type_id"]} == "STACK") {
if (read_config_option("rrdtool_version") == "rrd-1.2.x") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_stack_type . ":" . $data_source_name . $graph_item_color_code . ":" . "\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\":STACK";
}else {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $data_source_name . $graph_item_color_code . ":" . "\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}
}elseif ($graph_item_types{$graph_item["graph_type_id"]} == "HRULE") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$graph_variables["value"][$graph_item_id] = str_replace(":", "\:", $graph_variables["value"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $graph_variables["value"][$graph_item_id] . $graph_item_color_code . ":\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}elseif ($graph_item_types{$graph_item["graph_type_id"]} == "VRULE") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$value_array = explode(":", $graph_item["value"]);
if ($value_array[0] < 0) {
$value = date("U") - (-3600 * $value_array[0]) - 60 * $value_array[1];
}else{
$value = date("U", mktime($value_array[0],$value_array[1],0));
}
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $value . $graph_item_color_code . ":\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}
}else{
$need_rrd_nl = FALSE;
}
$i++;
if (($i < sizeof($graph_items)) && ($need_rrd_nl)) {
$txt_graph_items .= RRD_NL;
}
}
}
/* either print out the source or pass the source onto rrdtool to get us a nice PNG */
if (isset($graph_data_array["print_source"])) {
print "<PRE>" . read_config_option("path_rrdtool") . " graph $graph_opts$graph_defs$txt_graph_items</PRE>";
}else{
if (isset($graph_data_array["export"])) {
rrdtool_execute("graph $graph_opts$graph_defs$txt_graph_items", false, RRDTOOL_OUTPUT_NULL, $rrd_struc);
return 0;
}else{
if (isset($graph_data_array["output_flag"])) {
$output_flag = $graph_data_array["output_flag"];
}else{
$output_flag = RRDTOOL_OUTPUT_GRAPH_DATA;
}
return rrdtool_execute("graph $graph_opts$graph_defs$txt_graph_items", false, $output_flag, $rrd_struc);
}
}
}
function rrdtool_function_graph_rt($local_graph_id, $graph_data_array) {
global $config;
include_once($config["library_path"] . "/cdef.php");
include_once($config["library_path"] . "/graph_variables.php");
include($config["include_path"] . "/global_arrays.php");
/* set the rrdtool default font */
if (read_config_option("path_rrdtool_default_font")) {
putenv("RRD_DEFAULT_FONT=" . read_config_option("path_rrdtool_default_font"));
}
/* before we do anything; make sure the user has permission to view this graph,
if not then get out */
if ((read_config_option("auth_method") != 0) && (isset($_SESSION["sess_user_id"]))) {
$access_denied = !(is_graph_allowed($local_graph_id));
if ($access_denied == true) {
return "GRAPH ACCESS DENIED";
}
}
/* find the step and how often this graph is updated with new data
* each second */
$ds_step = @$graph_data_array["ds_step"];
if ($ds_step == 0) {
$ds_step = read_config_option("realtime_interval");
}else if ($ds_step < 1) {
$ds_step = 1;
}
/* if no rra was specified, we need to figure out which one RRDTool will choose using
* "best-fit" resolution fit algorithm */
$rra["rows"] = 600;
$rra["steps"] = 1;
$rra["timespan"] = 2400; /* 30 minutes */
$seconds_between_graph_updates = ($ds_step * $rra["steps"]);
$graph = db_fetch_row("select
graph_local.host_id,
graph_local.snmp_query_id,
graph_local.snmp_index,
graph_templates_graph.title_cache,
graph_templates_graph.vertical_label,
graph_templates_graph.slope_mode,
graph_templates_graph.auto_scale,
graph_templates_graph.auto_scale_opts,
graph_templates_graph.auto_scale_log,
graph_templates_graph.scale_log_units,
graph_templates_graph.auto_scale_rigid,
graph_templates_graph.auto_padding,
graph_templates_graph.base_value,
graph_templates_graph.upper_limit,
graph_templates_graph.lower_limit,
graph_templates_graph.height,
graph_templates_graph.width,
graph_templates_graph.image_format_id,
graph_templates_graph.unit_value,
graph_templates_graph.unit_exponent_value,
graph_templates_graph.export
from (graph_templates_graph,graph_local)
where graph_local.id=graph_templates_graph.local_graph_id
and graph_templates_graph.local_graph_id=$local_graph_id");
/* lets make that sql query... */
$graph_items = db_fetch_assoc("select
graph_templates_item.id as graph_templates_item_id,
graph_templates_item.cdef_id,
graph_templates_item.text_format,
graph_templates_item.value,
graph_templates_item.hard_return,
graph_templates_item.consolidation_function_id,
graph_templates_item.graph_type_id,
graph_templates_gprint.gprint_text,
colors.hex,
graph_templates_item.alpha,
data_template_rrd.id as data_template_rrd_id,
data_template_rrd.local_data_id,
data_template_rrd.rrd_minimum,
data_template_rrd.rrd_maximum,
data_template_rrd.data_source_name,
data_template_rrd.local_data_template_rrd_id
from graph_templates_item
left join data_template_rrd on (graph_templates_item.task_item_id=data_template_rrd.id)
left join colors on (graph_templates_item.color_id=colors.id)
left join graph_templates_gprint on (graph_templates_item.gprint_id=graph_templates_gprint.id)
where graph_templates_item.local_graph_id=$local_graph_id
order by graph_templates_item.sequence");
/* +++++++++++++++++++++++ GRAPH OPTIONS +++++++++++++++++++++++ */
/* define some variables */
$scale = "";
$rigid = "";
$unit_value = "";
$unit_exponent_value = "";
$graph_legend = "";
$graph_defs = "";
$txt_graph_items = "";
$text_padding = "";
$greatest_text_format = 0;
$last_graph_type = "";
if ($graph["auto_scale"] == "on") {
switch ($graph["auto_scale_opts"]) {
case "1": /* autoscale ignores lower, upper limit */
$scale = "--alt-autoscale" . RRD_NL;
break;
case "2": /* autoscale-max, accepts a given lower limit */
$scale = "--alt-autoscale-max" . RRD_NL;
if ( is_numeric($graph["lower_limit"])) {
$scale .= "--lower-limit=" . $graph["lower_limit"] . RRD_NL;
}
break;
case "3": /* autoscale-min, accepts a given upper limit */
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
$scale = "--alt-autoscale-min" . RRD_NL;
if ( is_numeric($graph["upper_limit"])) {
$scale .= "--upper-limit=" . $graph["upper_limit"] . RRD_NL;
}
}
break;
case "4": /* auto_scale with limits */
$scale = "--alt-autoscale" . RRD_NL;
if ( is_numeric($graph["upper_limit"])) {
$scale .= "--upper-limit=" . $graph["upper_limit"] . RRD_NL;
}
if ( is_numeric($graph["lower_limit"])) {
$scale .= "--lower-limit=" . $graph["lower_limit"] . RRD_NL;
}
break;
}
}else{
$graph["lower_limit"] = rrd_substitute_host_query_data($graph["lower_limit"], $graph, null);
$graph["upper_limit"] = rrd_substitute_host_query_data($graph["upper_limit"], $graph, null);
$scale = "--upper-limit=" . $graph["upper_limit"] . RRD_NL;
$scale .= "--lower-limit=" . $graph["lower_limit"] . RRD_NL;
}
if ($graph["auto_scale_log"] == "on") {
$scale .= "--logarithmic" . RRD_NL;
}
/* --units=si only defined for logarithmic y-axis scaling, even if it doesn't hurt on linear graphs */
if (($graph["scale_log_units"] == "on") &&
($graph["auto_scale_log"] == "on")) {
$scale .= "--units=si" . RRD_NL;
}
if ($graph["auto_scale_rigid"] == "on") {
$rigid = "--rigid" . RRD_NL;
}
if (!empty($graph["unit_value"])) {
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
$unit_value = "--y-grid=" . $graph["unit_value"] . RRD_NL;
}else{
$unit_value = "--unit=" . $graph["unit_value"] . RRD_NL;
}
}
if (ereg("^[0-9]+$", $graph["unit_exponent_value"])) {
$unit_exponent_value = "--units-exponent=" . $graph["unit_exponent_value"] . RRD_NL;
}
/*
* optionally you can specify and array that overrides some of the db's values, lets set
* that all up here
*/
/* override: graph start time */
if ((!isset($graph_data_array["graph_start"])) || ($graph_data_array["graph_start"] == "0")) {
$graph_start = -($rra["timespan"]);
}else{
$graph_start = $graph_data_array["graph_start"];
}
/* override: graph end time */
if ((!isset($graph_data_array["graph_end"])) || ($graph_data_array["graph_end"] == "0")) {
$graph_end = -($seconds_between_graph_updates);
}else{
$graph_end = $graph_data_array["graph_end"];
}
/* override: graph height (in pixels) */
if (isset($graph_data_array["graph_height"])) {
$graph_height = $graph_data_array["graph_height"];
}else{
$graph_height = $graph["height"];
}
/* override: graph width (in pixels) */
if (isset($graph_data_array["graph_width"])) {
$graph_width = $graph_data_array["graph_width"];
}else{
$graph_width = $graph["width"];
}
/* override: skip drawing the legend? */
if (isset($graph_data_array["graph_nolegend"])) {
$graph_legend = "--no-legend" . RRD_NL;
}else{
$graph_legend = "";
}
/* define: let's do the x grids */
if (isset($graph_data_array["graph_start"])) {
switch($graph_data_array["graph_start"]) {
case -30:
case -45:
$graph_xlegend = "--x-grid SECOND:5:MINUTE:1:SECOND:5:0:%M:%S" . RRD_NL;
break;
case -60:
case -90:
$graph_xlegend = "--x-grid SECOND:10:MINUTE:1:SECOND:10:0:%M:%S" . RRD_NL;
break;
case -120:
$graph_xlegend = "--x-grid SECOND:20:MINUTE:1:SECOND:20:0:%M:%S" . RRD_NL;
break;
case -300:
$graph_xlegend = "--x-grid SECOND:30:MINUTE:1:SECOND:30:0:%M:%S" . RRD_NL;
break;
case -600:
$graph_xlegend = "--x-grid SECOND:30:MINUTE:1:MINUTE:1:0:%H:%M" . RRD_NL;
break;
case -1200:
$graph_xlegend = "--x-grid SECOND:30:MINUTE:1:MINUTE:2:0:%H:%M" . RRD_NL;
break;
case -1800:
case -3600:
$graph_xlegend = "";
break;
}
}else{
$graph_xlegend = "";
}
/* export options */
if (isset($graph_data_array["export"])) {
$graph_opts = read_config_option("path_html_export") . "/" . $graph_data_array["export_filename"] . RRD_NL;
}else{
if (empty($graph_data_array["output_filename"])) {
$graph_opts = "-" . RRD_NL;
}else{
$graph_opts = $graph_data_array["output_filename"] . RRD_NL;
}
}
/* setup date format */
$date_fmt = read_graph_config_option("default_date_format");
$datechar = read_graph_config_option("default_datechar");
if ($datechar == GDC_HYPHEN) {
$datechar = "-";
}else {
$datechar = "/";
}
switch ($date_fmt) {
case GD_MO_D_Y:
$graph_date = "m" . $datechar . "d" . $datechar . "Y H:i:s";
break;
case GD_MN_D_Y:
$graph_date = "M" . $datechar . "d" . $datechar . "Y H:i:s";
break;
case GD_D_MO_Y:
$graph_date = "d" . $datechar . "m" . $datechar . "Y H:i:s";
break;
case GD_D_MN_Y:
$graph_date = "d" . $datechar . "M" . $datechar . "Y H:i:s";
break;
case GD_Y_MO_D:
$graph_date = "Y" . $datechar . "m" . $datechar . "d H:i:s";
break;
case GD_Y_MN_D:
$graph_date = "Y" . $datechar . "M" . $datechar . "d H:i:s";
break;
}
/* display the timespan for zoomed graphs */
if ((isset($graph_data_array["graph_start"])) && (isset($graph_data_array["graph_end"]))) {
if (($graph_data_array["graph_start"] < 0) && ($graph_data_array["graph_end"] < 0)) {
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
$graph_legend .= "COMMENT:\"From " . str_replace(":", "\:", date($graph_date, time()+$graph_data_array["graph_start"])) . " To " . str_replace(":", "\:", date($graph_date, time()+$graph_data_array["graph_end"])) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}else {
$graph_legend .= "COMMENT:\"From " . date($graph_date, time()+$graph_data_array["graph_start"]) . " To " . date($graph_date, time()+$graph_data_array["graph_end"]) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}
}else if (($graph_data_array["graph_start"] >= 0) && ($graph_data_array["graph_end"] >= 0)) {
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
$graph_legend .= "COMMENT:\"From " . str_replace(":", "\:", date($graph_date, $graph_data_array["graph_start"])) . " To " . str_replace(":", "\:", date($graph_date, $graph_data_array["graph_end"])) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}else {
$graph_legend .= "COMMENT:\"From " . date($graph_date, $graph_data_array["graph_start"]) . " To " . date($graph_date, $graph_data_array["graph_end"]) . "\\c\"" . RRD_NL . "COMMENT:\" \\n\"" . RRD_NL;
}
}
}
/* basic graph options */
$graph_opts .=
"--imgformat=" . $image_types{$graph["image_format_id"]} . RRD_NL .
"--start=$graph_start" . RRD_NL .
"--end=$graph_end" . RRD_NL .
"--title=\"" . str_replace("\"", "\\\"", $graph["title_cache"]) . "\"" . RRD_NL .
"$rigid" .
"--base=" . $graph["base_value"] . RRD_NL .
"--height=$graph_height" . RRD_NL .
"--width=$graph_width" . RRD_NL .
"$graph_xlegend" .
"$scale" .
"$unit_value" .
"$unit_exponent_value" .
"$graph_legend" .
"--vertical-label=\"" . $graph["vertical_label"] . "\"" . RRD_NL;
/* rrdtool 1.2.x does not provide smooth lines, let's force it */
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
if ($graph["slope_mode"] == "on") {
$graph_opts .= "--slope-mode" . RRD_NL;
}
}
/* rrdtool 1.2 font options */
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
/* title fonts */
$graph_opts .= rrdtool_set_font("title", ((!empty($graph_data_array["graph_nolegend"])) ? $graph_data_array["graph_nolegend"] : ""));
/* axis fonts */
$graph_opts .= rrdtool_set_font("axis");
/* legend fonts */
$graph_opts .= rrdtool_set_font("legend");
/* unit fonts */
$graph_opts .= rrdtool_set_font("unit");
}
$i = 0; $j = 0;
$last_graph_cf = array();
if (sizeof($graph_items) > 0) {
/* we need to add a new column "cf_reference", so unless PHP 5 is used, this foreach syntax is required */
foreach ($graph_items as $key => $graph_item) {
/* mimic the old behavior: LINE[123], AREA and STACK items use the CF specified in the graph item */
if (($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE1) ||
($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE2) ||
($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_LINE3) ||
($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_AREA) ||
($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_STACK)) {
$graph_cf = $graph_item["consolidation_function_id"];
/* remember the last CF for this data source for use with GPRINT
* if e.g. an AREA/AVERAGE and a LINE/MAX is used
* we will have AVERAGE first and then MAX, depending on GPRINT sequence */
$last_graph_cf["data_source_name"]["local_data_template_rrd_id"] = $graph_cf;
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
}elseif ($graph_item["graph_type_id"] == GRAPH_ITEM_TYPE_GPRINT) {
/* ATTENTION!
* the "CF" given on graph_item edit screen for GPRINT is indeed NOT a real "CF",
* but an aggregation function
* see "man rrdgraph_data" for the correct VDEF based notation
* so our task now is to "guess" the very graph_item, this GPRINT is related to
* and to use that graph_item's CF */
if (isset($last_graph_cf["data_source_name"]["local_data_template_rrd_id"])) {
$graph_cf = $last_graph_cf["data_source_name"]["local_data_template_rrd_id"];
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
} else {
$graph_cf = generate_graph_best_cf($graph_item["local_data_id"], $graph_item["consolidation_function_id"]);
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
}
}else{
/* all other types are based on the best matching CF */
$graph_cf = generate_graph_best_cf($graph_item["local_data_id"], $graph_item["consolidation_function_id"]);
/* remember this for second foreach loop */
$graph_items[$key]["cf_reference"] = $graph_cf;
}
if ((!empty($graph_item["local_data_id"])) && (!isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[$graph_cf]))) {
/* use a user-specified ds path if one is entered */
$data_source_path = read_config_option("realtime_cache_path") .
"/realtime_" . $graph_item["local_data_id"] . "_5.rrd";
/* FOR WIN32: Escape all colon for drive letters (ex. D\:/path/to/rra) */
$data_source_path = str_replace(":", "\:", $data_source_path);
if (!empty($data_source_path)) {
/* NOTE: (Update) Data source DEF names are created using the graph_item_id; then passed
to a function that matches the digits with letters. rrdtool likes letters instead
of numbers in DEF names; especially with CDEF's. cdef's are created
the same way, except a 'cdef' is put on the beginning of the hash */
$graph_defs .= "DEF:" . generate_graph_def_name(strval($i)) . "=\"$data_source_path\":" . $graph_item["data_source_name"] . ":" . $consolidation_functions[$graph_cf] . RRD_NL;
$cf_ds_cache{$graph_item["data_template_rrd_id"]}[$graph_cf] = "$i";
$i++;
}
}
/* cache cdef value here to support data query variables in the cdef string */
if (empty($graph_item["cdef_id"])) {
$graph_item["cdef_cache"] = "";
$graph_items[$j]["cdef_cache"] = "";
}else{
$graph_item["cdef_cache"] = get_cdef($graph_item["cdef_id"]);
$graph_items[$j]["cdef_cache"] = get_cdef($graph_item["cdef_id"]);
}
/* +++++++++++++++++++++++ LEGEND: TEXT SUBSITUTION (<>'s) +++++++++++++++++++++++ */
/* note the current item_id for easy access */
$graph_item_id = $graph_item["graph_templates_item_id"];
/* the following fields will be searched for graph variables */
$variable_fields = array(
"text_format" => array(
"process_no_legend" => false
),
"value" => array(
"process_no_legend" => true
),
"cdef_cache" => array(
"process_no_legend" => true
)
);
/* loop through each field that we want to substitute values for:
currently: text format and value */
while (list($field_name, $field_array) = each($variable_fields)) {
/* certain fields do not require values when the legend is not to be shown */
if (($field_array["process_no_legend"] == false) && (isset($graph_data_array["graph_nolegend"]))) {
continue;
}
$graph_variables[$field_name][$graph_item_id] = $graph_item[$field_name];
/* date/time substitution */
if (strstr($graph_variables[$field_name][$graph_item_id], "|date_time|")) {
$graph_variables[$field_name][$graph_item_id] = str_replace("|date_time|", date('D d M H:i:s T Y', strtotime(db_fetch_cell("select value from settings where name='date'"))), $graph_variables[$field_name][$graph_item_id]);
}
/* data source title substitution */
if (strstr($graph_variables[$field_name][$graph_item_id], "|data_source_title|")) {
$graph_variables[$field_name][$graph_item_id] = trim(str_replace("|data_source_title|", get_data_source_title($graph_item["local_data_id"]), $graph_variables[$field_name][$graph_item_id]));
}
/* data query variables */
$graph_variables[$field_name][$graph_item_id] = rrd_substitute_host_query_data($graph_variables[$field_name][$graph_item_id], $graph, $graph_item);
/* Nth percentile */
if (preg_match_all("/\|([0-9]{1,2}):(bits|bytes):(\d):(current|total|max|total_peak|all_max_current|all_max_peak|aggregate_max|aggregate_sum|aggregate_current|aggregate):(\d)?\|/", $graph_variables[$field_name][$graph_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$graph_variables[$field_name][$graph_item_id] = str_replace($match[0], variable_nth_percentile($match, $graph_item, $graph_items, $graph_start, $graph_end), $graph_variables[$field_name][$graph_item_id]);
}
}
/* bandwidth summation */
if (preg_match_all("/\|sum:(\d|auto):(current|total|atomic):(\d):(\d+|auto)\|/", $graph_variables[$field_name][$graph_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$graph_variables[$field_name][$graph_item_id] = str_replace($match[0], variable_bandwidth_summation($match, $graph_item, $graph_items, $graph_start, $graph_end, $rra["steps"], $ds_step), $graph_variables[$field_name][$graph_item_id]);
}
}
}
/* if we are not displaying a legend there is no point in us even processing the auto padding,
text format stuff. */
if (!isset($graph_data_array["graph_nolegend"])) {
/* set hard return variable if selected (\n) */
if ($graph_item["hard_return"] == "on") {
$hardreturn[$graph_item_id] = "\\n";
}else{
$hardreturn[$graph_item_id] = "";
}
/* +++++++++++++++++++++++ LEGEND: AUTO PADDING (<>'s) +++++++++++++++++++++++ */
/* PADDING: remember this is not perfect! its main use is for the basic graph setup of:
AREA - GPRINT-CURRENT - GPRINT-AVERAGE - GPRINT-MAXIMUM \n
of course it can be used in other situations, however may not work as intended.
If you have any additions to this small peice of code, feel free to send them to me. */
if ($graph["auto_padding"] == "on") {
/* only applies to AREA, STACK and LINEs */
if (ereg("(AREA|STACK|LINE[123])", $graph_item_types{$graph_item["graph_type_id"]})) {
$text_format_length = strlen($graph_variables["text_format"][$graph_item_id]);
if ($text_format_length > $greatest_text_format) {
$greatest_text_format = $text_format_length;
}
}
}
}
$j++;
}
}
/* +++++++++++++++++++++++ GRAPH ITEMS: CDEF's +++++++++++++++++++++++ */
$i = 0;
reset($graph_items);
/* hack for rrdtool 1.2.x support */
$graph_item_stack_type = "";
if (sizeof($graph_items) > 0) {
foreach ($graph_items as $graph_item) {
/* first we need to check if there is a DEF for the current data source/cf combination. if so,
we will use that */
if (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}{$graph_item["consolidation_function_id"]})) {
$cf_id = $graph_item["consolidation_function_id"];
}else{
/* if there is not a DEF defined for the current data source/cf combination, then we will have to
improvise. choose the first available cf in the following order: AVERAGE, MAX, MIN, LAST */
if (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[1])) {
$cf_id = 1; /* CF: AVERAGE */
}elseif (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[3])) {
$cf_id = 3; /* CF: MAX */
}elseif (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[2])) {
$cf_id = 2; /* CF: MIN */
}elseif (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[4])) {
$cf_id = 4; /* CF: LAST */
}else{
$cf_id = 1; /* CF: AVERAGE */
}
}
/* now remember the correct CF reference */
$cf_id = $graph_item["cf_reference"];
/* make cdef string here; a note about CDEF's in cacti. A CDEF is neither unique to a
data source of global cdef, but is unique when those two variables combine. */
$cdef_graph_defs = "";
if ((!empty($graph_item["cdef_id"])) && (!isset($cdef_cache{$graph_item["cdef_id"]}{$graph_item["data_template_rrd_id"]}[$cf_id]))) {
$cdef_string = $graph_variables["cdef_cache"]{$graph_item["graph_templates_item_id"]};
$magic_item = array();
$already_seen = array();
$sources_seen = array();
$count_all_ds_dups = 0;
$count_all_ds_nodups = 0;
$count_similar_ds_dups = 0;
$count_similar_ds_nodups = 0;
/* if any of those magic variables are requested ... */
if (ereg("(ALL_DATA_SOURCES_(NO)?DUPS|SIMILAR_DATA_SOURCES_(NO)?DUPS)", $cdef_string) ||
ereg("(COUNT_ALL_DS_(NO)?DUPS|COUNT_SIMILAR_DS_(NO)?DUPS)", $cdef_string)) {
/* now walk through each case to initialize array*/
if (ereg("ALL_DATA_SOURCES_DUPS", $cdef_string)) {
$magic_item["ALL_DATA_SOURCES_DUPS"] = "";
}
if (ereg("ALL_DATA_SOURCES_NODUPS", $cdef_string)) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] = "";
}
if (ereg("SIMILAR_DATA_SOURCES_DUPS", $cdef_string)) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] = "";
}
if (ereg("SIMILAR_DATA_SOURCES_NODUPS", $cdef_string)) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] = "";
}
if (ereg("COUNT_ALL_DS_DUPS", $cdef_string)) {
$magic_item["COUNT_ALL_DS_DUPS"] = "";
}
if (ereg("COUNT_ALL_DS_NODUPS", $cdef_string)) {
$magic_item["COUNT_ALL_DS_NODUPS"] = "";
}
if (ereg("COUNT_SIMILAR_DS_DUPS", $cdef_string)) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] = "";
}
if (ereg("COUNT_SIMILAR_DS_NODUPS", $cdef_string)) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] = "";
}
/* loop over all graph items */
for ($t=0;($t<count($graph_items));$t++) {
/* only work on graph items, omit GRPINTs, COMMENTs and stuff */
if ((ereg("(AREA|STACK|LINE[123])", $graph_item_types{$graph_items[$t]["graph_type_id"]})) && (!empty($graph_items[$t]["data_template_rrd_id"]))) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
/* matching consolidation function? */
if (isset($cf_ds_cache{$graph_items[$t]["data_template_rrd_id"]}[$cf_id])) {
$def_name = generate_graph_def_name(strval($cf_ds_cache{$graph_items[$t]["data_template_rrd_id"]}[$cf_id]));
/* do we need ALL_DATA_SOURCES_DUPS? */
if (isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$magic_item["ALL_DATA_SOURCES_DUPS"] .= ($count_all_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
/* do we need COUNT_ALL_DS_DUPS? */
if (isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$magic_item["COUNT_ALL_DS_DUPS"] .= ($count_all_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_all_ds_dups++;
/* check if this item also qualifies for NODUPS */
if(!isset($already_seen[$def_name])) {
if (isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] .= ($count_all_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
if (isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$magic_item["COUNT_ALL_DS_NODUPS"] .= ($count_all_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_all_ds_nodups++;
$already_seen[$def_name]=TRUE;
}
/* check for SIMILAR data sources */
if ($graph_item["data_source_name"] == $graph_items[$t]["data_source_name"]) {
/* do we need SIMILAR_DATA_SOURCES_DUPS? */
if (isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"]) && ($graph_item["data_source_name"] == $graph_items[$t]["data_source_name"])) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] .= ($count_similar_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
/* do we need COUNT_SIMILAR_DS_DUPS? */
if (isset($magic_item["COUNT_SIMILAR_DS_DUPS"]) && ($graph_item["data_source_name"] == $graph_items[$t]["data_source_name"])) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] .= ($count_similar_ds_dups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_similar_ds_dups++;
/* check if this item also qualifies for NODUPS */
if(!isset($sources_seen{$graph_items[$t]["data_template_rrd_id"]})) {
if (isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] .= ($count_similar_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,$def_name,$def_name,UN,0,$def_name,IF,IF"; /* convert unknowns to '0' first */
}
if (isset($magic_item["COUNT_SIMILAR_DS_NODUPS"]) && ($graph_item["data_source_name"] == $graph_items[$t]["data_source_name"])) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] .= ($count_similar_ds_nodups == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,1,$def_name,UN,0,1,IF,IF"; /* convert unknowns to '0' first */
}
$count_similar_ds_nodups++;
$sources_seen{$graph_items[$t]["data_template_rrd_id"]} = TRUE;
}
} # SIMILAR data sources
} # matching consolidation function?
} # only work on graph items, omit GRPINTs, COMMENTs and stuff
} # loop over all graph items
/* if there is only one item to total, don't even bother with the summation.
* Otherwise cdef=a,b,c,+,+ is fine. */
if ($count_all_ds_dups > 1 && isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$magic_item["ALL_DATA_SOURCES_DUPS"] .= str_repeat(",+", ($count_all_ds_dups - 2)) . ",+";
}
if ($count_all_ds_nodups > 1 && isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$magic_item["ALL_DATA_SOURCES_NODUPS"] .= str_repeat(",+", ($count_all_ds_nodups - 2)) . ",+";
}
if ($count_similar_ds_dups > 1 && isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_DUPS"] .= str_repeat(",+", ($count_similar_ds_dups - 2)) . ",+";
}
if ($count_similar_ds_nodups > 1 && isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$magic_item["SIMILAR_DATA_SOURCES_NODUPS"] .= str_repeat(",+", ($count_similar_ds_nodups - 2)) . ",+";
}
if ($count_all_ds_dups > 1 && isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$magic_item["COUNT_ALL_DS_DUPS"] .= str_repeat(",+", ($count_all_ds_dups - 2)) . ",+";
}
if ($count_all_ds_nodups > 1 && isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$magic_item["COUNT_ALL_DS_NODUPS"] .= str_repeat(",+", ($count_all_ds_nodups - 2)) . ",+";
}
if ($count_similar_ds_dups > 1 && isset($magic_item["COUNT_SIMILAR_DS_DUPS"])) {
$magic_item["COUNT_SIMILAR_DS_DUPS"] .= str_repeat(",+", ($count_similar_ds_dups - 2)) . ",+";
}
if ($count_similar_ds_nodups > 1 && isset($magic_item["COUNT_SIMILAR_DS_NODUPS"])) {
$magic_item["COUNT_SIMILAR_DS_NODUPS"] .= str_repeat(",+", ($count_similar_ds_nodups - 2)) . ",+";
}
}
$cdef_string = str_replace("CURRENT_DATA_SOURCE", generate_graph_def_name(strval((isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id]) ? $cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id] : "0"))), $cdef_string);
/* ALL|SIMILAR_DATA_SOURCES(NO)?DUPS are to be replaced here */
if (isset($magic_item["ALL_DATA_SOURCES_DUPS"])) {
$cdef_string = str_replace("ALL_DATA_SOURCES_DUPS", $magic_item["ALL_DATA_SOURCES_DUPS"], $cdef_string);
}
if (isset($magic_item["ALL_DATA_SOURCES_NODUPS"])) {
$cdef_string = str_replace("ALL_DATA_SOURCES_NODUPS", $magic_item["ALL_DATA_SOURCES_NODUPS"], $cdef_string);
}
if (isset($magic_item["SIMILAR_DATA_SOURCES_DUPS"])) {
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_DUPS", $magic_item["SIMILAR_DATA_SOURCES_DUPS"], $cdef_string);
}
if (isset($magic_item["SIMILAR_DATA_SOURCES_NODUPS"])) {
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_NODUPS", $magic_item["SIMILAR_DATA_SOURCES_NODUPS"], $cdef_string);
}
/* COUNT_ALL|SIMILAR_DATA_SOURCES(NO)?DUPS are to be replaced here */
if (isset($magic_item["COUNT_ALL_DS_DUPS"])) {
$cdef_string = str_replace("COUNT_ALL_DS_DUPS", $magic_item["COUNT_ALL_DS_DUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_ALL_DS_NODUPS"])) {
$cdef_string = str_replace("COUNT_ALL_DS_NODUPS", $magic_item["COUNT_ALL_DS_NODUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_SIMILAR_DS_DUPS"])) {
$cdef_string = str_replace("COUNT_SIMILAR_DS_DUPS", $magic_item["COUNT_SIMILAR_DS_DUPS"], $cdef_string);
}
if (isset($magic_item["COUNT_SIMILAR_DS_NODUPS"])) {
$cdef_string = str_replace("COUNT_SIMILAR_DS_NODUPS", $magic_item["COUNT_SIMILAR_DS_NODUPS"], $cdef_string);
}
/* data source item variables */
$cdef_string = str_replace("CURRENT_DS_MINIMUM_VALUE", (empty($graph_item["rrd_minimum"]) ? "0" : $graph_item["rrd_minimum"]), $cdef_string);
$cdef_string = str_replace("CURRENT_DS_MAXIMUM_VALUE", (empty($graph_item["rrd_maximum"]) ? "0" : $graph_item["rrd_maximum"]), $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MINIMUM_VALUE", (empty($graph["lower_limit"]) ? "0" : $graph["lower_limit"]), $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MAXIMUM_VALUE", (empty($graph["upper_limit"]) ? "0" : $graph["upper_limit"]), $cdef_string);
/* replace query variables in cdefs */
$cdef_string = rrd_substitute_host_query_data($cdef_string, $graph, $graph_item);
/* make the initial "virtual" cdef name: 'cdef' + [a,b,c,d...] */
$cdef_graph_defs .= "CDEF:cdef" . generate_graph_def_name(strval($i)) . "=";
$cdef_graph_defs .= $cdef_string;
$cdef_graph_defs .= " \\\n";
/* the CDEF cache is so we do not create duplicate CDEF's on a graph */
$cdef_cache{$graph_item["cdef_id"]}{$graph_item["data_template_rrd_id"]}[$cf_id] = "$i";
}
/* add the cdef string to the end of the def string */
$graph_defs .= $cdef_graph_defs;
/* note the current item_id for easy access */
$graph_item_id = $graph_item["graph_templates_item_id"];
/* if we are not displaying a legend there is no point in us even processing the auto padding,
text format stuff. */
if ((!isset($graph_data_array["graph_nolegend"])) && ($graph["auto_padding"] == "on")) {
/* only applies to AREA, STACK and LINEs */
if (ereg("(AREA|STACK|LINE[123])", $graph_item_types{$graph_item["graph_type_id"]})) {
$text_format_length = strlen($graph_variables["text_format"][$graph_item_id]);
/* we are basing how much to pad on area and stack text format,
not gprint. but of course the padding has to be displayed in gprint,
how fun! */
$pad_number = ($greatest_text_format - $text_format_length);
$text_padding = str_pad("", $pad_number);
/* two GPRINT's in a row screws up the padding, lets not do that */
} else if (($graph_item_types{$graph_item["graph_type_id"]} == "GPRINT") && ($last_graph_type == "GPRINT")) {
$text_padding = "";
}
$last_graph_type = $graph_item_types{$graph_item["graph_type_id"]};
}
/* we put this in a variable so it can be manipulated before mainly used
if we want to skip it, like below */
$current_graph_item_type = $graph_item_types{$graph_item["graph_type_id"]};
/* IF this graph item has a data source... get a DEF name for it, or the cdef if that applies
to this graph item */
if ($graph_item["cdef_id"] == "0") {
if (isset($cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id])) {
$data_source_name = generate_graph_def_name(strval($cf_ds_cache{$graph_item["data_template_rrd_id"]}[$cf_id]));
}else{
$data_source_name = "";
}
}else{
$data_source_name = "cdef" . generate_graph_def_name(strval($cdef_cache{$graph_item["cdef_id"]}{$graph_item["data_template_rrd_id"]}[$cf_id]));
}
/* to make things easier... if there is no text format set; set blank text */
if (!isset($graph_variables["text_format"][$graph_item_id])) {
$graph_variables["text_format"][$graph_item_id] = "";
}
if (!isset($hardreturn[$graph_item_id])) {
$hardreturn[$graph_item_id] = "";
}
/* +++++++++++++++++++++++ GRAPH ITEMS +++++++++++++++++++++++ */
/* most of the calculations have been done above. now we have for print everything out
in an RRDTool-friendly fashion */
$need_rrd_nl = TRUE;
if ($graph_item_types{$graph_item["graph_type_id"]} == "COMMENT") {
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
$comment_string = $graph_item_types{$graph_item["graph_type_id"]} . ":\"" . str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]) . $hardreturn[$graph_item_id] . "\" ";
if (trim($comment_string) == 'COMMENT:"\n"') {
$txt_graph_items .= 'COMMENT:" \n"'; # rrdtool will skip a COMMENT that holds a NL only; so add a blank to make NL work
} else if (trim($comment_string) != "COMMENT:\"\"") {
$txt_graph_items .= rrd_substitute_host_query_data($comment_string, $graph, $graph_item);
}
}else {
$comment_string = $graph_item_types{$graph_item["graph_type_id"]} . ":\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
if (trim($comment_string) == 'COMMENT:"\n"') {
$txt_graph_items .= 'COMMENT:" \n"'; # rrdtool will skip a COMMENT that holds a NL only; so add a blank to make NL work
} else if (trim($comment_string) != "COMMENT:\"\"") {
$txt_graph_items .= rrd_substitute_host_query_data($comment_string, $graph, $graph_item);
}
}
}elseif (($graph_item_types{$graph_item["graph_type_id"]} == "GPRINT") && (!isset($graph_data_array["graph_nolegend"]))) {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $data_source_name . ":" . $consolidation_functions{$graph_item["consolidation_function_id"]} . ":\"$text_padding" . $graph_variables["text_format"][$graph_item_id] . $graph_item["gprint_text"] . $hardreturn[$graph_item_id] . "\" ";
}elseif (ereg("^(AREA|LINE[123]|STACK|HRULE|VRULE)$", $graph_item_types{$graph_item["graph_type_id"]})) {
/* initialize any color syntax for graph item */
if (empty($graph_item["hex"])) {
$graph_item_color_code = "";
}else{
$graph_item_color_code = "#" . $graph_item["hex"];
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
$graph_item_color_code .= $graph_item["alpha"];
}
}
if (ereg("^(AREA|LINE[123])$", $graph_item_types{$graph_item["graph_type_id"]})) {
$graph_item_stack_type = $graph_item_types{$graph_item["graph_type_id"]};
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $data_source_name . $graph_item_color_code . ":" . "\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}elseif ($graph_item_types{$graph_item["graph_type_id"]} == "STACK") {
if (read_config_option("rrdtool_version") != "rrd-1.0.x") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_stack_type . ":" . $data_source_name . $graph_item_color_code . ":" . "\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\":STACK";
}else {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $data_source_name . $graph_item_color_code . ":" . "\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}
}elseif ($graph_item_types{$graph_item["graph_type_id"]} == "HRULE") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
$graph_variables["value"][$graph_item_id] = str_replace(":", "\:", $graph_variables["value"][$graph_item_id]); /* escape colons */
/* perform variable substitution; if this does not return a number, rrdtool will FAIL! */
$substitute = rrd_substitute_host_query_data($graph_variables["value"][$graph_item_id], $graph, $graph_item);
if (is_numeric($substitute)) {
$graph_variables["value"][$graph_item_id] = trim($substitute);
}
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $graph_variables["value"][$graph_item_id] . $graph_item_color_code . ":\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}elseif ($graph_item_types{$graph_item["graph_type_id"]} == "VRULE") {
$graph_variables["text_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["text_format"][$graph_item_id]); /* escape colons */
if (substr_count($graph_item["value"], ":")) {
$value_array = explode(":", $graph_item["value"]);
if ($value_array[0] < 0) {
$value = date("U") - (-3600 * $value_array[0]) - 60 * $value_array[1];
}else{
$value = date("U", mktime($value_array[0],$value_array[1],0));
}
}else if (is_numeric($graph_item["value"])) {
$value = $graph_item["value"];
}
$txt_graph_items .= $graph_item_types{$graph_item["graph_type_id"]} . ":" . $value . $graph_item_color_code . ":\"" . $graph_variables["text_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}
}else{
$need_rrd_nl = FALSE;
}
$i++;
if (($i < sizeof($graph_items)) && ($need_rrd_nl)) {
$txt_graph_items .= RRD_NL;
}
}
}
/* either print out the source or pass the source onto rrdtool to get us a nice PNG */
if (isset($graph_data_array["print_source"])) {
print "<PRE>" . read_config_option("path_rrdtool") . " graph $graph_opts$graph_defs$txt_graph_items</PRE>";
}else{
if (isset($graph_data_array["export"])) {
@rrdtool_execute("graph $graph_opts$graph_defs$txt_graph_items", false, RRDTOOL_OUTPUT_NULL);
return 0;
}else{
if (isset($graph_data_array["output_flag"])) {
$output_flag = $graph_data_array["output_flag"];
}else{
$output_flag = RRDTOOL_OUTPUT_GRAPH_DATA;
}
return @rrdtool_execute("graph $graph_opts$graph_defs$txt_graph_items", false, $output_flag);
}
}
}
function process_variables($input, $graph_item, $graph_start = 0, $graph_end = 0)
{
$matches = array();
$match = "";
/* Get graph items for the graph */
$graph_items = db_fetch_assoc("SELECT\n\t\tgraph_templates_item.id AS graph_templates_item_id,\n\t\tgraph_templates_item.cdef_id,\n\t\tgraph_templates_item.text_format,\n\t\tgraph_templates_item.value,\n\t\tgraph_templates_item.hard_return,\n\t\tgraph_templates_item.consolidation_function_id,\n\t\tgraph_templates_item.graph_type_id,\n\t\tgraph_templates_gprint.gprint_text,\n\t\tcolors.hex,\n\t\tdata_template_rrd.id as data_template_rrd_id,\n\t\tdata_template_rrd.local_data_id,\n\t\tdata_template_rrd.rrd_minimum,\n\t\tdata_template_rrd.rrd_maximum,\n\t\tdata_template_rrd.data_source_name,\n\t\tdata_template_rrd.local_data_template_rrd_id\n\t\tFROM graph_templates_item\n\t\tLEFT JOIN data_template_rrd ON (graph_templates_item.task_item_id=data_template_rrd.id)\n\t\tLEFT JOIN colors ON (graph_templates_item.color_id=colors.id)\n\t\tLEFT JOIN graph_templates_gprint on (graph_templates_item.gprint_id=graph_templates_gprint.id)\n\t\tWHERE graph_templates_item.local_graph_id=" . $graph_item["local_graph_id"] . "\n\t\tORDER BY graph_templates_item.sequence");
/* find the step and how often this graph is updated with new data */
$ds_step = db_fetch_cell("select\n\t\tdata_template_data.rrd_step\n\t\tfrom (data_template_data,data_template_rrd,graph_templates_item)\n\t\twhere graph_templates_item.task_item_id=data_template_rrd.id\n\t\tand data_template_rrd.local_data_id=data_template_data.local_data_id\n\t\tand graph_templates_item.local_graph_id=" . $graph_item["local_graph_id"] . "\n\t\tlimit 0,1");
$ds_step = empty($ds_step) ? 300 : $ds_step;
if (empty($graph_start) || empty($graph_end)) {
$rra["rows"] = 600;
$rra["steps"] = 1;
$rra["timespan"] = 86400;
} else {
/* get a list of RRAs related to this graph */
$rras = get_associated_rras($graph_item["local_graph_id"]);
if (sizeof($rras) > 0) {
foreach ($rras as $unchosen_rra) {
/* the timespan specified in the RRA "timespan" field may not be accurate */
$real_timespan = $ds_step * $unchosen_rra["steps"] * $unchosen_rra["rows"];
/* make sure the current start/end times fit within each RRA's timespan */
if ($graph_end - $graph_start <= $real_timespan && time() - $graph_start <= $real_timespan) {
/* is this RRA better than the already chosen one? */
if (isset($rra) && $unchosen_rra["steps"] < $rra["steps"]) {
$rra = $unchosen_rra;
} else {
if (!isset($rra)) {
$rra = $unchosen_rra;
}
}
}
}
}
if (!isset($rra)) {
$rra["rows"] = 600;
$rra["steps"] = 1;
}
}
$seconds_between_graph_updates = $ds_step * $rra["steps"];
/* override: graph start time */
if (!isset($graph_start) || $graph_start == "0") {
$graph_start = -$rra["timespan"];
}
/* override: graph end time */
if (!isset($graph_end) || $graph_end == "0") {
$graph_end = -$seconds_between_graph_updates;
}
/* Nth percentile */
if (preg_match_all("/\\|([0-9]{1,2}):(bits|bytes):(\\d):(current|total|max|total_peak|all_max_current|all_max_peak|aggregate_max|aggregate_sum|aggregate_current|aggregate):(\\d)?\\|/", $input, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$input = str_replace($match[0], variable_nth_percentile($match, $graph_item, $graph_items, $graph_start, $graph_end), $input);
}
}
/* bandwidth summation */
if (preg_match_all("/\\|sum:(\\d|auto):(current|total|atomic):(\\d):(\\d+|auto)\\|/", $input, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$input = str_replace($match[0], variable_bandwidth_summation($match, $graph_item, $graph_items, $graph_start, $graph_end, $rra["steps"], $ds_step), $input);
}
}
return $input;
}
function rrdtool_function_xport($local_graph_id, $rra_id, $xport_data_array, &$xport_meta, $rrd_struc = array())
{
global $config;
include_once $config["library_path"] . "/cdef.php";
include_once $config["library_path"] . "/graph_variables.php";
include_once $config["library_path"] . "/xml.php";
include $config["include_path"] . "/global_arrays.php";
/* before we do anything; make sure the user has permission to view this graph,
if not then get out */
if (read_config_option("auth_method") != 0 && isset($_SESSION["sess_user_id"])) {
$access_denied = !is_graph_allowed($local_graph_id);
if ($access_denied == true) {
return "GRAPH ACCESS DENIED";
}
}
/* find the step and how often this graph is updated with new data */
$ds_step = db_fetch_cell("select\n\t\tdata_template_data.rrd_step\n\t\tfrom (data_template_data,data_template_rrd,graph_templates_item)\n\t\twhere graph_templates_item.task_item_id=data_template_rrd.id\n\t\tand data_template_rrd.local_data_id=data_template_data.local_data_id\n\t\tand graph_templates_item.local_graph_id={$local_graph_id}\n\t\tlimit 0,1");
$ds_step = empty($ds_step) ? 300 : $ds_step;
/* if no rra was specified, we need to figure out which one RRDTool will choose using
* "best-fit" resolution fit algorithm */
if (empty($rra_id)) {
if (empty($xport_data_array["graph_start"]) || empty($xport_data_array["graph_end"])) {
$rra["rows"] = 600;
$rra["steps"] = 1;
$rra["timespan"] = 86400;
} else {
/* get a list of RRAs related to this graph */
$rras = get_associated_rras($local_graph_id);
if (sizeof($rras) > 0) {
foreach ($rras as $unchosen_rra) {
/* the timespan specified in the RRA "timespan" field may not be accurate */
$real_timespan = $ds_step * $unchosen_rra["steps"] * $unchosen_rra["rows"];
/* make sure the current start/end times fit within each RRA's timespan */
if ($xport_data_array["graph_end"] - $xport_data_array["graph_start"] <= $real_timespan && time() - $xport_data_array["graph_start"] <= $real_timespan) {
/* is this RRA better than the already chosen one? */
if (isset($rra) && $unchosen_rra["steps"] < $rra["steps"]) {
$rra = $unchosen_rra;
} else {
if (!isset($rra)) {
$rra = $unchosen_rra;
}
}
}
}
}
if (!isset($rra)) {
$rra["rows"] = 600;
$rra["steps"] = 1;
}
}
} else {
$rra = db_fetch_row("select timespan,rows,steps from rra where id={$rra_id}");
}
$seconds_between_graph_updates = $ds_step * $rra["steps"];
/* override: graph start time */
if (!isset($graph_data_array["graph_start"]) || $graph_data_array["graph_start"] == "0") {
$graph_start = -$rra["timespan"];
} else {
$graph_start = $graph_data_array["graph_start"];
}
/* override: graph end time */
if (!isset($graph_data_array["graph_end"]) || $graph_data_array["graph_end"] == "0") {
$graph_end = -$seconds_between_graph_updates;
} else {
$graph_end = $graph_data_array["graph_end"];
}
$graph = db_fetch_row("select\n\t\tgraph_local.host_id,\n\t\tgraph_local.snmp_query_id,\n\t\tgraph_local.snmp_index,\n\t\tgraph_templates_graph.title_cache,\n\t\tgraph_templates_graph.vertical_label,\n\t\tgraph_templates_graph.slope_mode,\n\t\tgraph_templates_graph.auto_scale,\n\t\tgraph_templates_graph.auto_scale_opts,\n\t\tgraph_templates_graph.auto_scale_log,\n\t\tgraph_templates_graph.auto_scale_rigid,\n\t\tgraph_templates_graph.auto_padding,\n\t\tgraph_templates_graph.base_value,\n\t\tgraph_templates_graph.upper_limit,\n\t\tgraph_templates_graph.lower_limit,\n\t\tgraph_templates_graph.height,\n\t\tgraph_templates_graph.width,\n\t\tgraph_templates_graph.image_format_id,\n\t\tgraph_templates_graph.unit_value,\n\t\tgraph_templates_graph.unit_exponent_value,\n\t\tgraph_templates_graph.export\n\t\tfrom (graph_templates_graph,graph_local)\n\t\twhere graph_local.id=graph_templates_graph.local_graph_id\n\t\tand graph_templates_graph.local_graph_id={$local_graph_id}");
/* lets make that sql query... */
$xport_items = db_fetch_assoc("select\n\t\tgraph_templates_item.id as graph_templates_item_id,\n\t\tgraph_templates_item.cdef_id,\n\t\tgraph_templates_item.text_format,\n\t\tgraph_templates_item.value,\n\t\tgraph_templates_item.hard_return,\n\t\tgraph_templates_item.consolidation_function_id,\n\t\tgraph_templates_item.graph_type_id,\n\t\tgraph_templates_gprint.gprint_text,\n\t\tcolors.hex,\n\t\tdata_template_rrd.id as data_template_rrd_id,\n\t\tdata_template_rrd.local_data_id,\n\t\tdata_template_rrd.rrd_minimum,\n\t\tdata_template_rrd.rrd_maximum,\n\t\tdata_template_rrd.data_source_name,\n\t\tdata_template_rrd.local_data_template_rrd_id\n\t\tfrom graph_templates_item\n\t\tleft join data_template_rrd on (graph_templates_item.task_item_id=data_template_rrd.id)\n\t\tleft join colors on (graph_templates_item.color_id=colors.id)\n\t\tleft join graph_templates_gprint on (graph_templates_item.gprint_id=graph_templates_gprint.id)\n\t\twhere graph_templates_item.local_graph_id={$local_graph_id}\n\t\torder by graph_templates_item.sequence");
/* +++++++++++++++++++++++ XPORT OPTIONS +++++++++++++++++++++++ */
/* override: graph start time */
if (!isset($xport_data_array["graph_start"]) || $xport_data_array["graph_start"] == "0") {
$xport_start = -$rra["timespan"];
} else {
$xport_start = $xport_data_array["graph_start"];
}
/* override: graph end time */
if (!isset($xport_data_array["graph_end"]) || $xport_data_array["graph_end"] == "0") {
$xport_end = -$seconds_between_graph_updates;
} else {
$xport_end = $xport_data_array["graph_end"];
}
/* basic export options */
$xport_opts = "--start={$xport_start}" . RRD_NL . "--end={$xport_end}" . RRD_NL;
$xport_defs = "";
$i = 0;
$j = 0;
$nth = 0;
$sum = 0;
if (sizeof($xport_items) > 0) {
foreach ($xport_items as $xport_item) {
/* mimic the old behavior: LINE[123], AREA, and STACK items use the CF specified in the graph item */
if ($xport_item["graph_type_id"] == 4 || $xport_item["graph_type_id"] == 5 || $xport_item["graph_type_id"] == 6 || $xport_item["graph_type_id"] == 7 || $xport_item["graph_type_id"] == 8) {
$xport_cf = $xport_item["consolidation_function_id"];
/* all other types are based on the AVERAGE CF */
} else {
$xport_cf = 1;
}
if (!empty($xport_item["local_data_id"]) && !isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][$xport_cf])) {
/* use a user-specified ds path if one is entered */
$data_source_path = get_data_source_path($xport_item["local_data_id"], true);
/* FOR WIN32: Escape all colon for drive letters (ex. D\:/path/to/rra) */
$data_source_path = str_replace(":", "\\:", $data_source_path);
if (!empty($data_source_path)) {
/* NOTE: (Update) Data source DEF names are created using the graph_item_id; then passed
to a function that matches the digits with letters. rrdtool likes letters instead
of numbers in DEF names; especially with CDEF's. cdef's are created
the same way, except a 'cdef' is put on the beginning of the hash */
$xport_defs .= "DEF:" . generate_graph_def_name(strval($i)) . "=\"{$data_source_path}\":" . $xport_item["data_source_name"] . ":" . $consolidation_functions[$xport_cf] . RRD_NL;
$cf_ds_cache[$xport_item["data_template_rrd_id"]][$xport_cf] = "{$i}";
$i++;
}
}
/* cache cdef value here to support data query variables in the cdef string */
if (empty($xport_item["cdef_id"])) {
$xport_item["cdef_cache"] = "";
$xport_items[$j]["cdef_cache"] = "";
} else {
$xport_item["cdef_cache"] = get_cdef($xport_item["cdef_id"]);
$xport_items[$j]["cdef_cache"] = get_cdef($xport_item["cdef_id"]);
}
/* +++++++++++++++++++++++ LEGEND: TEXT SUBSITUTION (<>'s) +++++++++++++++++++++++ */
/* note the current item_id for easy access */
$xport_item_id = $xport_item["graph_templates_item_id"];
/* the following fields will be searched for graph variables */
$variable_fields = array("text_format" => array("process_no_legend" => false), "value" => array("process_no_legend" => true), "cdef_cache" => array("process_no_legend" => true));
/* loop through each field that we want to substitute values for:
currently: text format and value */
while (list($field_name, $field_array) = each($variable_fields)) {
/* certain fields do not require values when the legend is not to be shown */
if ($field_array["process_no_legend"] == false && isset($xport_data_array["graph_nolegend"])) {
continue;
}
$xport_variables[$field_name][$xport_item_id] = $xport_item[$field_name];
/* date/time substitution */
if (strstr($xport_variables[$field_name][$xport_item_id], "|date_time|")) {
$xport_variables[$field_name][$xport_item_id] = str_replace("|date_time|", date('D d M H:i:s T Y', strtotime(db_fetch_cell("select value from settings where name='date'"))), $xport_variables[$field_name][$xport_item_id]);
}
/* data query variables */
$xport_variables[$field_name][$xport_item_id] = rrd_substitute_host_query_data($xport_variables[$field_name][$xport_item_id], $graph, $xport_item);
/* Nth percentile */
if (preg_match_all("/\\|([0-9]{1,2}):(bits|bytes):(\\d):(current|total|max|total_peak|all_max_current|all_max_peak|aggregate_max|aggregate_sum|aggregate_current|aggregate):(\\d)?\\|/", $xport_variables[$field_name][$xport_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
if ($field_name == "value") {
$xport_meta["NthPercentile"][$nth]["format"] = $match[0];
$xport_meta["NthPercentile"][$nth]["value"] = str_replace($match[0], variable_nth_percentile($match, $xport_item, $xport_items, $graph_start, $graph_end), $xport_variables[$field_name][$xport_item_id]);
$nth++;
}
}
}
/* bandwidth summation */
if (preg_match_all("/\\|sum:(\\d|auto):(current|total|atomic):(\\d):(\\d+|auto)\\|/", $xport_variables[$field_name][$xport_item_id], $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
if ($field_name == "text_format") {
$xport_meta["Summation"][$sum]["format"] = $match[0];
$xport_meta["Summation"][$sum]["value"] = str_replace($match[0], variable_bandwidth_summation($match, $xport_item, $xport_items, $graph_start, $graph_end, $rra["steps"], $ds_step), $xport_variables[$field_name][$xport_item_id]);
$sum++;
}
}
}
}
$j++;
}
}
/* +++++++++++++++++++++++ CDEF's +++++++++++++++++++++++ */
$i = 0;
reset($xport_items);
$xport_item_stack_type = "";
$txt_xport_items = "";
if (sizeof($xport_items) > 0) {
foreach ($xport_items as $xport_item) {
/* first we need to check if there is a DEF for the current data source/cf combination. if so,
we will use that */
if (isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][$xport_item["consolidation_function_id"]])) {
$cf_id = $xport_item["consolidation_function_id"];
} else {
/* if there is not a DEF defined for the current data source/cf combination, then we will have to
improvise. choose the first available cf in the following order: AVERAGE, MAX, MIN, LAST */
if (isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][1])) {
$cf_id = 1;
/* CF: AVERAGE */
} elseif (isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][3])) {
$cf_id = 3;
/* CF: MAX */
} elseif (isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][2])) {
$cf_id = 2;
/* CF: MIN */
} elseif (isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][4])) {
$cf_id = 4;
/* CF: LAST */
} else {
$cf_id = 1;
/* CF: AVERAGE */
}
}
/* make cdef string here; a note about CDEF's in cacti. A CDEF is neither unique to a
data source of global cdef, but is unique when those two variables combine. */
$cdef_xport_defs = "";
$cdef_total_ds = "";
$cdef_similar_ds = "";
if (!empty($xport_item["cdef_id"]) && !isset($cdef_cache[$xport_item["cdef_id"]][$xport_item["data_template_rrd_id"]][$cf_id])) {
$cdef_string = $xport_variables["cdef_cache"][$xport_item["graph_templates_item_id"]];
/* create cdef string for "total all data sources" if requested */
if (ereg("ALL_DATA_SOURCES_(NO)?DUPS", $cdef_string)) {
$item_count = 0;
for ($t = 0; $t < count($xport_items); $t++) {
if (ereg("(AREA|STACK|LINE[123])", $graph_item_types[$xport_items[$t]["graph_type_id"]]) && !empty($xport_items[$t]["data_template_rrd_id"])) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
if (isset($cf_ds_cache[$xport_items[$t]["data_template_rrd_id"]][$cf_id])) {
$def_name = generate_graph_def_name(strval($cf_ds_cache[$xport_items[$t]["data_template_rrd_id"]][$cf_id]));
$cdef_total_ds .= ($item_count == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,{$def_name},{$def_name},UN,0,{$def_name},IF,IF";
/* convert unknowns to '0' first */
$item_count++;
}
}
}
/* if there is only one item to total, don't even bother with the summation. otherwise
cdef=a,b,c,+,+ is fine. */
if ($item_count > 1) {
$cdef_total_ds .= str_repeat(",+", $item_count - 2) . ",+";
}
}
/* create cdef string for "total similar data sources" if requested */
if (ereg("SIMILAR_DATA_SOURCES_(NO)?DUPS", $cdef_string)) {
$sources_seen = array();
$item_count = 0;
for ($t = 0; $t < count($xport_items); $t++) {
if (ereg("(AREA|STACK|LINE[123])", $graph_item_types[$xport_items[$t]["graph_type_id"]]) && !empty($xport_items[$t]["data_template_rrd_id"]) && $xport_item["data_source_name"] == $xport_items[$t]["data_source_name"]) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
if (isset($cf_ds_cache[$xport_items[$t]["data_template_rrd_id"]][$cf_id]) && !isset($sources_seen[$xport_items[$t]["data_template_rrd_id"]])) {
$def_name = generate_graph_def_name(strval($cf_ds_cache[$xport_items[$t]["data_template_rrd_id"]][$cf_id]));
$cdef_similar_ds .= ($item_count == 0 ? "" : ",") . "TIME," . (time() - $seconds_between_graph_updates) . ",GT,{$def_name},{$def_name},UN,0,{$def_name},IF,IF";
/* convert unknowns to '0' first */
$sources_seen[$xport_items[$t]["data_template_rrd_id"]] = 1;
$item_count++;
}
}
}
/* if there is only one item to total, don't even bother with the summation. otherwise
cdef=a,b,c,+,+ is fine. */
if ($item_count > 1) {
$cdef_similar_ds .= str_repeat(",+", $item_count - 2) . ",+";
}
}
$cdef_string = str_replace("CURRENT_DATA_SOURCE", generate_graph_def_name(strval(isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][$cf_id]) ? $cf_ds_cache[$xport_item["data_template_rrd_id"]][$cf_id] : "0")), $cdef_string);
$cdef_string = str_replace("ALL_DATA_SOURCES_NODUPS", $cdef_total_ds, $cdef_string);
$cdef_string = str_replace("SIMILAR_DATA_SOURCES_NODUPS", $cdef_similar_ds, $cdef_string);
/* data source item variables */
$cdef_string = str_replace("CURRENT_DS_MINIMUM_VALUE", empty($xport_item["rrd_minimum"]) ? "0" : $xport_item["rrd_minimum"], $cdef_string);
$cdef_string = str_replace("CURRENT_DS_MAXIMUM_VALUE", empty($xport_item["rrd_maximum"]) ? "0" : $xport_item["rrd_maximum"], $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MINIMUM_VALUE", empty($graph["lower_limit"]) ? "0" : $graph["lower_limit"], $cdef_string);
$cdef_string = str_replace("CURRENT_GRAPH_MAXIMUM_VALUE", empty($graph["upper_limit"]) ? "0" : $graph["upper_limit"], $cdef_string);
/* replace query variables in cdefs */
$cdef_string = rrd_substitute_host_query_data($cdef_string, $graph, $xport_item);
/* make the initial "virtual" cdef name: 'cdef' + [a,b,c,d...] */
$cdef_xport_defs .= "CDEF:cdef" . generate_graph_def_name(strval($i)) . "=";
$cdef_xport_defs .= $cdef_string;
$cdef_xport_defs .= " \\\n";
/* the CDEF cache is so we do not create duplicate CDEF's on a graph */
$cdef_cache[$xport_item["cdef_id"]][$xport_item["data_template_rrd_id"]][$cf_id] = "{$i}";
}
/* add the cdef string to the end of the def string */
$xport_defs .= $cdef_xport_defs;
/* note the current item_id for easy access */
$xport_item_id = $xport_item["graph_templates_item_id"];
/* IF this graph item has a data source... get a DEF name for it, or the cdef if that applies
to this graph item */
if ($xport_item["cdef_id"] == "0") {
if (isset($cf_ds_cache[$xport_item["data_template_rrd_id"]][$cf_id])) {
$data_source_name = generate_graph_def_name(strval($cf_ds_cache[$xport_item["data_template_rrd_id"]][$cf_id]));
} else {
$data_source_name = "";
}
} else {
$data_source_name = "cdef" . generate_graph_def_name(strval($cdef_cache[$xport_item["cdef_id"]][$xport_item["data_template_rrd_id"]][$cf_id]));
}
/* +++++++++++++++++++++++ XPORT ITEMS +++++++++++++++++++++++ */
$need_rrd_nl = TRUE;
if (ereg("^(AREA|LINE[123]|STACK)\$", $graph_item_types[$xport_item["graph_type_id"]])) {
$txt_xport_items .= "XPORT:" . $data_source_name . ":" . "\"" . $xport_variables["text_format"][$xport_item_id] . "\"";
} else {
$need_rrd_nl = FALSE;
}
$i++;
if ($i < sizeof($xport_items) && $need_rrd_nl) {
$txt_xport_items .= RRD_NL;
}
}
}
$output_flag = RRDTOOL_OUTPUT_STDOUT;
$xport_array = rrdxport2array(rrdtool_execute("xport {$xport_opts}{$xport_defs}{$txt_xport_items}", false, $output_flag, $rrd_struc));
/* add host and graph information */
$xport_array["meta"]["title_cache"] = $graph["title_cache"];
$xport_array["meta"]["vertical_label"] = $graph["vertical_label"];
$xport_array["meta"]["local_graph_id"] = $local_graph_id;
$xport_array["meta"]["host_id"] = $graph["host_id"];
return $xport_array;
}