function api_poller_cache_item_add($host_id, $data_source_id, $polling_interval, $poller_action_id, $data_source_item_name, $num_rrd_items, $arg1 = "", $arg2 = "", $arg3 = "") {
global $cnn_id;
require_once(CACTI_BASE_PATH . "/lib/sys/string.php");
require_once(CACTI_BASE_PATH . "/lib/data_source/data_source_info.php");
if (empty($data_source_id)) {
return;
}
if (!empty($host_id)) {
$host = db_fetch_row("select
host.id,
host.poller_id,
host.hostname,
host.snmp_community,
host.snmp_version,
host.snmpv3_auth_username,
host.snmpv3_auth_password,
host.snmpv3_auth_protocol,
host.snmpv3_priv_passphrase,
host.snmpv3_priv_protocol,
host.snmp_port,
host.snmp_timeout,
host.availability_method,
host.ping_method,
host.disabled
from host
where host.id = $host_id");
}
/* return if the device is marked as disabled */
if ((isset($host)) && ($host["disabled"] == "on")) {
return;
}
$save["local_data_id"] = $data_source_id;
$save["host_id"] = $host_id;
$save["action"] = $poller_action_id;
$save["poller_id"] = (isset($host) ? $host["poller_id"] : "");
$save["hostname"] = (isset($host) ? $host["hostname"] : "");
$save["snmp_community"] = (isset($host) ? $host["snmp_community"] : "");
$save["snmp_version"] = (isset($host) ? $host["snmp_version"] : "");
$save["snmpv3_auth_username"] = (isset($host) ? $host["snmpv3_auth_username"] : "");
$save["snmpv3_auth_password"] = (isset($host) ? $host["snmpv3_auth_password"] : "");
$save["snmpv3_auth_protocol"] = (isset($host) ? $host["snmpv3_auth_protocol"] : "");
$save["snmpv3_priv_passphrase"] = (isset($host) ? $host["snmpv3_priv_passphrase"] : "");
$save["snmpv3_priv_protocol"] = (isset($host) ? $host["snmpv3_priv_protocol"] : "");
$save["snmp_timeout"] = (isset($host) ? $host["snmp_timeout"] : "");
$save["snmp_port"] = (isset($host) ? $host["snmp_port"] : "");
$save["availability_method"] = (isset($host) ? $host["availability_method"] : "");
$save["ping_method"] = (isset($host) ? $host["ping_method"] : "");
$save["rrd_name"] = $data_source_item_name;
$save["rrd_path"] = addslashes(clean_up_path(api_data_source_path_get($data_source_id, true)));
$save["rrd_num"] = $num_rrd_items;
$save["rrd_step"] = $polling_interval;
$save["rrd_next_step"] = api_poller_get_rrd_next_step($polling_interval, $num_rrd_items); // FIX ME
$save["arg1"] = $arg1;
$save["arg2"] = $arg2;
$save["arg3"] = $arg3;
/* for pass by reference */
$table_name = "poller_item";
db_execute($cnn_id->GetInsertSQL($table_name, $save));
}
function rrdtool_function_graph($graph_id, $rra_id, $graph_data_array, $rrd_struc = array(),$syslog_facility = FACIL_WEBUI) {
global $colors;
require_once(CACTI_BASE_PATH . "/lib/sys/auth.php");
require_once(CACTI_BASE_PATH . "/lib/sys/graph_variable.php");
require_once(CACTI_BASE_PATH . "/lib/graph/graph_info.php");
require_once(CACTI_BASE_PATH . "/lib/graph/graph_utility.php");
require_once(CACTI_BASE_PATH . "/lib/data_source/data_source_info.php");
require_once(CACTI_BASE_PATH . "/include/graph/graph_constants.php");
require(CACTI_BASE_PATH . "/include/graph/graph_arrays.php");
require(CACTI_BASE_PATH . "/include/data_source/data_source_arrays.php");
/* set the rrdtool default font */
if (read_config_option("path_rrdtool_default_font")) {
putenv("RRD_DEFAULT_FONT=" . read_config_option("path_rrdtool_default_font"));
}
/* before we do anything; make sure the user has permission to view this graph,
if not then get out */
if ((read_config_option("auth_method") != "0") && (isset($_SESSION["sess_user_id"]))) {
$access_denied = !(is_graph_allowed($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_source.rrd_step
from data_source,data_source_item,graph_item
where graph_item.data_source_item_id=data_source_item.id
and data_source_item.data_source_id=data_source.id
and graph_item.graph_id = $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 */
$rras = api_graph_associated_rras_list($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.host_id,
graph.title_cache,
graph.vertical_label,
graph.auto_scale,
graph.auto_scale_opts,
graph.auto_scale_log,
graph.auto_scale_rigid,
graph.auto_padding,
graph.base_value,
graph.upper_limit,
graph.lower_limit,
graph.x_grid,
graph.y_grid,
graph.y_grid_alt,
graph.no_minor,
graph.height,
graph.width,
graph.image_format,
graph.unit_value,
graph.unit_length,
graph.unit_exponent_value,
graph.export
from graph
where graph.id = $graph_id");
/* lets make that sql query... */
$graph_items = db_fetch_assoc("select
graph_item.id,
graph_item.cdef,
graph_item.legend_format,
graph_item.legend_value,
graph_item.hard_return,
graph_item.consolidation_function,
graph_item.graph_item_type,
graph_item.gprint_format,
graph_item.color,
graph_item.data_source_item_id,
data_source_item.data_source_id,
data_source_item.rrd_minimum,
data_source_item.rrd_maximum,
data_source_item.data_source_name
from graph_item
left join data_source_item on (graph_item.data_source_item_id=data_source_item.id)
where graph_item.graph_id = $graph_id
order by graph_item.sequence");
/* +++++++++++++++++++++++ GRAPH OPTIONS +++++++++++++++++++++++ */
/* define some variables */
$scale = "";
$rigid = "";
$no_minor = "";
$y_grid = "";
$y_grid_alt = "";
$x_grid = "";
$unit_value = "";
$unit_length = "";
$unit_exponent_value = "";
$graph_legend = "";
$graph_defs = "";
$txt_graph_items = "";
$text_padding = "";
$greatest_text_format = 0;
$last_graph_type = "";
if (empty($graph["auto_scale"])) {
$scale = "--upper-limit=" . $graph["upper_limit"] . RRD_NL;
$scale .= "--lower-limit=" . $graph["lower_limit"] . RRD_NL;
}else{
if ($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=" . $graph["lower_limit"] . RRD_NL;
}
if (!empty($graph["auto_scale_log"])) {
$scale .= "--logarithmic" . RRD_NL;
}
}
if (!empty($graph["auto_scale_rigid"])) {
$rigid = "--rigid" . RRD_NL;
}
if (!empty($graph["unit_value"])) {
$unit_value = "--unit=" . $graph["unit_value"] . RRD_NL;
}
if (!empty($graph["no_minor"])) {
$no_minor = "--no_minor" . RRD_NL;
}
if (!empty($graph["y_grid_alt"])) {
$y_grid_alt = "--alt-y-grid" . RRD_NL;
}
if (!empty($graph["y_grid"])) {
$y_grid = $graph["y_grid"] . RRD_NL;
}
if (!empty($graph["x_grid"])) {
$x_grid = $graph["x_grid"] . RRD_NL;
}
if (is_numeric($graph["unit_length"])) {
$unit_length = "--units-length=" . $graph["unit_length"] . RRD_NL;
}
if (!empty($graph["unit_value"])) {
$unit_value = "--unit=" . $graph["unit_value"] . RRD_NL;
}
if (is_numeric($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=" . $graph_image_types{$graph["image_format"]} . RRD_NL .
"--start=$graph_start" . RRD_NL .
"--end=$graph_end" . RRD_NL .
"-c CANVAS#" . $colors["rrd_canvas"] . " -c FONT#" . $colors["rrd_font"] . " -c BACK#" . $colors["rrd_back"] . " " .
"--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" .
"$x_grid" .
"$y_grid" .
"$y_grid_alt" .
"$no_minor" .
"$unit_value" .
"$unit_length" .
"$unit_exponent_value" .
"$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;
}
}
$i = 0;
if (sizeof($graph_items > 0)) {
foreach ($graph_items as $graph_item) {
/* mimic the old behavior: LINE[123], AREA, and STACK items use the CF specified in the graph item */
if (is_graph_item_type_primary($graph_item["graph_item_type"])) {
$graph_cf = $graph_item["consolidation_function"];
/* all other types are based on the AVERAGE CF */
}else{
$graph_cf = 1;
}
if ((!empty($graph_item["data_source_id"])) && (!isset($cf_ds_cache{$graph_item["data_source_item_id"]}[$graph_cf]))) {
/* use a user-specified ds path if one is entered */
$data_source_path = api_data_source_path_get($graph_item["data_source_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_cf] . RRD_NL;
$cf_ds_cache{$graph_item["data_source_item_id"]}[$graph_cf] = "$i";
$i++;
}
}
/* +++++++++++++++++++++++ LEGEND: TEXT SUBSITUTION (<>'s) +++++++++++++++++++++++ */
/* note the current item_id for easy access */
$graph_item_id = $graph_item["id"];
/* the following fields will be searched for graph variables */
$variable_fields = array(
"legend_format" => array(
"process_no_legend" => false
),
"legend_value" => array(
"process_no_legend" => true
)
);
/* loop through each field that we want to substitute values for:
currently: text format and value */
while (list($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][$graph_item_id] = substitute_data_query_variables($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][$graph_item_id] = substitute_data_query_variables($graph_variables[$field_name][$graph_item_id], $data_local["host_id"], $data_local["snmp_query_id"], $data_local["snmp_index"]);
}
}
/* 95th percentile */
if (preg_match_all("/\|95:(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_ninety_fifth_percentile($match[1], $match[2], $match[3], (isset($match[5]) ? $match[5] : 2), $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[1], $match[2], $match[3], $match[4], $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 (empty($graph_item["hard_return"])) {
$hardreturn[$graph_item_id] = "";
}else{
$hardreturn[$graph_item_id] = "\\n";
}
/* +++++++++++++++++++++++ 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 (!empty($graph["auto_padding"])) {
/* only applies to AREA and STACK */
if (is_graph_item_type_primary($graph_item["graph_item_type"])) {
$text_format_lengths{$graph_item["data_source_item_id"]} = strlen($graph_variables["legend_format"][$graph_item_id]);
if ((strlen($graph_variables["legend_format"][$graph_item_id]) > $greatest_text_format) && ($graph_item_types{$graph_item["graph_item_type"]} != GRAPH_ITEM_TYPE_COMMENT)) {
$greatest_text_format = strlen($graph_variables["legend_format"][$graph_item_id]);
}
}
}
}
}
}
/* +++++++++++++++++++++++ GRAPH ITEMS: CDEF's +++++++++++++++++++++++ */
$i = 0;
reset($graph_items);
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{$graph_item["data_source_item_id"]}{$graph_item["consolidation_function"]})) {
$cf_id = $graph_item["consolidation_function"];
}else{
/* if there is not a DEF defined for the current data source/cf combination, then we will have to
improvise. choose the first available cf in the following order: AVERAGE, MAX, MIN, LAST */
if (isset($cf_ds_cache{$graph_item["data_source_item_id"]}[1])) {
$cf_id = 1; /* CF: AVERAGE */
}elseif (isset($cf_ds_cache{$graph_item["data_source_item_id"]}[3])) {
$cf_id = 3; /* CF: MAX */
}elseif (isset($cf_ds_cache{$graph_item["data_source_item_id"]}[2])) {
$cf_id = 2; /* CF: MIN */
}elseif (isset($cf_ds_cache{$graph_item["data_source_item_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"])) && (!isset($cdef_cache{$graph_item["cdef"]}{$graph_item["data_source_item_id"]}[$cf_id]))) {
$cdef_string = $graph_item["cdef"];
/* create cdef string for "total all data sources" if requested */
if ((strstr($cdef_string, "ALL_DATA_SOURCES_DUPS")) || (strstr($cdef_string, "ALL_DATA_SOURCES_NODUPS"))) {
$item_count = 0;
for ($t=0;($t<count($graph_items));$t++) {
if ((is_graph_item_type_primary($graph_items[$t]["graph_item_type"])) && (!empty($graph_items[$t]["data_source_item_id"]))) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
if (isset($cf_ds_cache{$graph_items[$t]["data_source_item_id"]}[$cf_id])) {
$def_name = generate_graph_def_name(strval($cf_ds_cache{$graph_items[$t]["data_source_item_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 ((strpos($cdef_string, "SIMILAR_DATA_SOURCES_DUPS")) || (strpos($cdef_string, "SIMILAR_DATA_SOURCES_NODUPS"))) {
$sources_seen = array();
$item_count = 0;
for ($t=0;($t<count($graph_items));$t++) {
if ((is_graph_item_type_primary($graph_items[$t]["graph_item_type"])) && (!empty($graph_items[$t]["data_source_item_id"])) && ($graph_item["data_source_name"] == $graph_items[$t]["data_source_name"])) {
/* if the user screws up CF settings, PHP will generate warnings if left unchecked */
if (isset($cf_ds_cache{$graph_items[$t]["data_source_item_id"]}[$cf_id]) && (!isset($sources_seen{$graph_items[$t]["data_source_item_id"]}))) {
$def_name = generate_graph_def_name(strval($cf_ds_cache{$graph_items[$t]["data_source_item_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_source_item_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{$graph_item["data_source_item_id"]}[$cf_id]) ? $cf_ds_cache{$graph_item["data_source_item_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"]}{$graph_item["data_source_item_id"]}[$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 = $graph_item["id"];
/* if we are not displaying a legend there is no point in us even processing the auto padding,
text format stuff. */
if ((!isset($graph_data_array["graph_nolegend"])) && (!empty($graph["auto_padding"])) && (isset($text_format_lengths{$graph_item["data_source_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 - $text_format_lengths{$graph_item["data_source_item_id"]});
$text_padding = str_pad("", $pad_number);
/* two GPRINT's in a row screws up the padding, lets not do that */
if (($graph_item["graph_item_type"] == GRAPH_ITEM_TYPE_GPRINT) && ($last_graph_type == GRAPH_ITEM_TYPE_GPRINT)) {
$text_padding = "";
}
$last_graph_type = $graph_item["graph_item_type"];
}
/* 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 = $graph_item["graph_item_type"];
/* IF this graph item has a data source... get a DEF name for it, or the cdef if that applies
to this graph item */
if ($graph_item["cdef"] == "") {
if (isset($cf_ds_cache{$graph_item["data_source_item_id"]}[$cf_id])) {
$data_source_name = generate_graph_def_name(strval($cf_ds_cache{$graph_item["data_source_item_id"]}[$cf_id]));
}else{
$data_source_name = "";
}
}else{
$data_source_name = "cdef" . generate_graph_def_name(strval($cdef_cache{$graph_item["cdef"]}{$graph_item["data_source_item_id"]}[$cf_id]));
}
/* to make things easier... if there is no text format set; set blank text */
if (!isset($graph_variables["legend_format"][$graph_item_id])) {
$graph_variables["legend_format"][$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 */
if (is_graph_item_type_primary($graph_item["graph_item_type"])) {
$graph_variables["legend_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["legend_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_item_type"]} . ":" . $data_source_name . "#" . $graph_item["color"] . ":" . "\"" . $graph_variables["legend_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}elseif ($graph_item["graph_item_type"] == GRAPH_ITEM_TYPE_COMMENT) {
$txt_graph_items .= $graph_item_types{$graph_item["graph_item_type"]} . ":\"" . $graph_variables["legend_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}elseif (($graph_item["graph_item_type"] == GRAPH_ITEM_TYPE_GPRINT) && (!isset($graph_data_array["graph_nolegend"]))) {
$graph_variables["legend_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["legend_format"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_item_type"]} . ":" . $data_source_name . ":" . $consolidation_functions{$graph_item["consolidation_function"]} . ":\"$text_padding" . $graph_variables["legend_format"][$graph_item_id] . $graph_item["gprint_format"] . $hardreturn[$graph_item_id] . "\" ";
}elseif ($graph_item["graph_item_type"] == GRAPH_ITEM_TYPE_HRULE) {
$graph_variables["legend_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["legend_format"][$graph_item_id]); /* escape colons */
$graph_variables["legend_value"][$graph_item_id] = str_replace(":", "\:", $graph_variables["legend_value"][$graph_item_id]); /* escape colons */
$txt_graph_items .= $graph_item_types{$graph_item["graph_item_type"]} . ":" . $graph_variables["legend_value"][$graph_item_id] . "#" . $graph_item["color"] . ":\"" . $graph_variables["legend_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}elseif ($graph_item["graph_item_type"] == GRAPH_ITEM_TYPE_VRULE) {
$graph_variables["legend_format"][$graph_item_id] = str_replace(":", "\:", $graph_variables["legend_format"][$graph_item_id]); /* escape colons */
$value_array = explode(":", $graph_item["legend_value"]);
if ($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_item_type"]} . ":" . $value . "#" . $graph_item["color"] . ":\"" . $graph_variables["legend_format"][$graph_item_id] . $hardreturn[$graph_item_id] . "\" ";
}
$i++;
if ($i < sizeof($graph_items)) {
$txt_graph_items .= RRD_NL;
}
}
}
/* either print out the source or pass the source onto rrdtool to get us a nice PNG */
if (isset($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, $rrd_struc, FACIL_POLLER);
return 0;
}else{
if (isset($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, $rrd_struc,$syslog_facility);
}
}
}