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<?
/* Poller. This file is part of JFFNMS
* Copyright (C) <2002-2003> Javier Szyszlican <javier@szysz.com>
* This program is licensed under the GNU GPL, full terms in the LICENSE file
*/
$jffnms_functions_include="engine";
include_once("../conf/config.php");
if (empty($host_id)) $host_id = $_SERVER["argv"][1];
if (empty($interface_id)) $interface_id = $_SERVER["argv"][2];
if (empty($sat_id)) $sat_id = $_SERVER["argv"][3];
if (empty($poller_pos)) $poller_pos = $_SERVER["argv"][4];
if (empty($itype)) $itype = $_SERVER["argv"][5];
if (!$_SERVER["argv"][0]) $poller = $SCRIPT_NAME;
else $poller = $_SERVER["argv"][0];
if ($jffnms_satellite_uri=="none") $my_sat_id = 1; //Only Master Configuration, no satellites
else $my_sat_id = satellite_get_id($jffnms_satellite_uri);
if (!$my_sat_id) $my_sat_id = 1; //only master but with URL set
if (!$host_id) {
$query_hosts="Select id, satellite from hosts where id > 1 and poll = 1";
$result_hosts = db_query ($query_hosts) or die ("Query failed - R2 - ".db_error());
while ($host = db_fetch_array($result_hosts)) {
$paths = satellite_get_paths($host["satellite"]);
if (is_array($paths))
$paths = satellite_get_first_distribution_path($paths);
else
if ($host["satellite"] == $my_sat_id) //local
$paths[]=$my_sat_id;
if (is_array($paths))
foreach ($paths as $sat_id)
if ($sat_id==$my_sat_id) { //local: I'm the one defined to poll this host
spawn (false, $host["id"]." 0 $sat_id 0 0"); //fork myself with this paremeters
sleep(3); //wait before spawning new proceses
}
}
db_close();
exit;
}
$time_start = time_usec();
if ($sat_id < 1) $sat_id = $my_sat_id;
$masters=array_keys(satellite_get_masters($my_sat_id)); //get Masters from DB
if (count($masters)<1) $masters=Array($my_sat_id); //Only One
$cant_masters = count($masters);
foreach ($masters as $master) {
if ($my_sat_id!=$master) { //I'm not a master
$paths = satellite_get_paths($master); //get paths to master
if (is_array($paths)) {
$paths = satellite_clean_poller_path($paths,$my_sat_id); //get only paths from me to master
$paths_description = Array();
foreach ($paths as $path) $paths_description[] = join(array_reverse($path),"->");
$peers = satellite_get_last_distribution_path($paths); //get my peers on those paths
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Possible Paths to $master... ".join($paths_description,", ")."\n");
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Testing Satellite Conexions to $master...\n");
$working_paths[$master]=Array();
foreach ($peers as $key=>$peer) { //test all peers to the master
$sat = current(satellite_get($peer));
$ping = satellite_send_ping($sat,$master,"get","$my_sat_id-elect");
if ($ping["result"]==true) //test if my peer can get to the master
$working_paths[$master][count($paths[$key])][$sat["id"]]=array("url"=>$sat["url"],"session"=>$ping["session"]);
}
}
} else
$working_paths[$master][0][$my_sat_id]=array("url"=>"Local"); //put me as the master local
//select the best path
//var_dump($working_paths[$master]);
ksort ($working_paths[$master]); //sort by hops
$best_paths = current($working_paths[$master]); //get all paths from the least number of hops
if (!is_array($best_paths)) $best_paths=Array();
$cant = count($best_paths);
if ($cant > 0) { //ok we have some destinations
if ($cant > 1) //we dont want to amplify the poller, send this only once
$pos = rand (0,$cant-1); //pick one random path
else
$pos = 0;
$keys = array_keys($best_paths);
$peer_to_master[$master] = Array($keys[$pos]=>$best_paths[$keys[$pos]]); //select only one peer per master
if (($cant_masters > 1) || ($my_sat_id != $master)) logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Using direct connexion to Satellite ".$keys[$pos].": ".$peer_to_master[$master][$keys[$pos]][url]."\n");
} else { //no destinations were ok
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : No Available Peer Satellites to $master.\n");
}
}
$poller_plan_filter = array("interface"=>$interface_id,"host"=>$host_id,"pos"=>$poller_pos,"type"=>$itype);
//take care of Designated Main Interfaces (DMII)
if ((empty($interface_id) || ($interface_id=="dmii")) && empty($poller_pos)) {
if (is_array($peer_to_master))
foreach ($peer_to_master as $master_id=>$peer) {
if ($my_sat_id!=$master_id) { //I'm not the master
list ($peer_sat_id,$peer_data) = each ($peer);
$message = array (
"sat_id"=>$master_id,
"class"=>"hosts",
"method"=>"status_dmii",
"session"=>$peer_data["session"],
"params"=>array($host_id)
);
$dmii = satellite_query ($peer_data["url"],$message);
} else
$dmii = hosts_status_dmii($host_id);
break;
}
if ($dmii && ($interface_id!="dmii")) { //we have DMII down, inform and filter the poller plan
$poller_plan_filter["interfaces"] = $dmii;
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Designated Main Interface(s) ".join(",",$dmii)." is/are down, only polling them\n");
if ($my_sat_id!=$master_id) { //I'm not the master
$message = array (
"sat_id"=>$master_id,
"class"=>"events",
"method"=>"add",
"session"=>$peer_data["session"],
"params"=>array(date("Y-m-d H:i:s",time()),25,$host_id,"Polling","down","poller","Failed",1)
);
satellite_query ($peer_data["url"],$message,NULL,2);
} else
insert_event(date("Y-m-d H:i:s",time()),25,$host_id,"Polling","down","poller","Failed",1);
}
if ($interface_id=="dmii") //just poll DMII
$poller_plan_filter["interface"] = hosts_dmii_interfaces_list($host_id);
}
$poller_plan_result = poller_plan ($poller_plan_filter); //Get the Poller Plan (things to poll)
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Poller Start : ".$poller_plan_result["items"]." Items.\n");
flush();
$times = array();
if (is_Array($peer_to_master))
while ($poller_data = poller_plan_next($poller_plan_result)) {
$poller_command = $poller_data["poller_command"];
$backend_command = $poller_data["backend_command"];
$poller_filename = "$jffnms_real_path/engine/pollers/$poller_command.php";
$backend_filename = "$jffnms_real_path/engine/backends/$backend_command.php";
//unset result variables
unset($poller_result);
$backend_result=array();
$backend_result_description=array();
$times_description=array();
if ((file_exists($poller_filename)==TRUE) && (file_exists($backend_filename)==TRUE)) {
$time_poller_query = time_usec();
include_once($poller_filename);
$poller_result = call_user_func_array("poller_$poller_command",Array($poller_data));
$time_poller_query = time_usec_diff($time_poller_query);
foreach ($peer_to_master as $master_id=>$peer) {
$time_backend_query = time_usec();
if ($my_sat_id!=$master_id) { //I'm not the master
list ($peer_sat_id,$peer_data) = each ($peer);
$comment = "src:$my_sat_id-pos:$poller_pos-int:".$poller_data["interface_id"];
$message = array (
"sat_id"=>$master_id,
"method"=>"poller",
"session"=>$peer_data["session"],
"params"=>array( //only one parameter
array( //an array with this values
"host_id"=>$poller_data["host_id"],
"interface_id"=>$poller_data["interface_id"],
"poller_pos"=>$poller_data["poller_pos"],
"poller_result"=>$poller_result,
))
);
//var_dump($message);
$result = satellite_query ($peer_data[url],$message,$comment,0);
//var_dump ($result); //see complete answer
$backend_result[$master_id] = $result[backend_result];
} else { //I'm the master execute locally
include_once($backend_filename);
$backend_result[$master_id] = call_user_func_array("backend_$backend_command",Array($poller_data,$poller_result));
}
// Profiling
if (isset($result["times"])) $times[$master_id]=$result["times"]; //copy the result profiling data
$times[$master_id]["backend_query"][$my_sat_id]=time_usec_diff($time_backend_query); //backend local o remote time
$times[$master_id]["poller_query"][$my_sat_id]=$time_poller_query; //polling time
if (isset($result["times"])) {
$times[$master_id]["real_total"][$my_sat_id]=$times[$master_id]["backend_query"][$my_sat_id]+$times[$master_id]["poller_query"][$my_sat_id];
$times[$master_id]["step_total"][$my_sat_id]=$times[$master_id]["real_total"][$my_sat_id]-$times[$master_id]["real_total"][$peer_sat_id];
}
} //foreach master
} else //no poller files
logger("ERROR: $poller_command or $backend_command Modules not Found...",0);
//only to show better output
$times_description[]="P:".$time_poller_query; //my polling time
unset ($old_data);
foreach ($backend_result as $master_id=>$data) {
$time_data = $times[$master_id];
//result data verification
if (isset($old_data) && ($data!=$old_data))
logger("ERROR: Backend Result MissMatch ($data != $old_data)\n");
$old_data = $data;
if ($master_id == $my_sat_id) $sat = "L"; else $sat = "S$master_id";
if ($cant_masters > 1) {
$backend_result_description[]="$sat:$data";
$times_description[]="$sat:".$time_data["backend_query"][$my_sat_id];
} else {
$backend_result_description[]=$data;
$times_description[]=$time_data["backend_query"][$my_sat_id];
}
}
//Cut the Poller Parameters String
$poller_param_description = isset($poller_data["poller_parameters"])?$poller_data["poller_parameters"]:"";
if ($aux = strlen($poller_param_description) > 10)
$poller_param_description = substr($poller_param_description,0,4)."..".substr($poller_param_description,strlen($aux)-4,4);
//debug output
logger( " : H ".str_pad($host_id,3," ",STR_PAD_LEFT).
" : I ".str_pad($poller_data["interface_id"],3," ",STR_PAD_LEFT).
" : P ".str_pad($poller_data["poller_pos"],3," ",STR_PAD_LEFT).
" : ".(($backend_command=="buffer")?"$poller_command:":"").$poller_data["poller_name"]."(".$poller_param_description."): $poller_result ".
"-> $backend_command(".$poller_data["backend_parameters"]."): ".join($backend_result_description," | ").
" (time ".join($times_description," | ").") ".
"\n"
//.vd($times) //profiling data
);
flush();
$time_poller_aux = time_usec();
} //while
else //if no masters
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Couldn't Find any Peers to any Master.\n");
//destroy the established sessions
if (is_Array($working_paths))
foreach ($working_paths as $master_id=>$aux) foreach ($aux as $aux1)
foreach ($aux1 as $peer_sat_id=>$peer_sat)
if (isset($peer_sat["session"])) { //if we have established a session with this peer
$message=array("sat_id"=>$master_id,"method"=>"none",session_destroy=>1,"session"=>$peer_sat["session"]);
//var_dump($message);
$result = satellite_query ($peer_sat["url"],$message,"$my_sat_id-destroy",0);
//var_dump($result); //see session_destory confimations
if ($peer_to_master[$master_id][$peer_sat_id]["session"]) $use="Used";
else $use="Tested";
if (!is_array($result["session_destroy"])) $result["session_destroy"] = array($result);
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Closing $use Satellite Conexion for $master_id to $peer_sat_id ... ".join(array_reverse(array_keys($result[session_destroy])),"->")."\n");
}
$time = time_usec_diff($time_start);
logger(" : H ".str_pad($host_id,3," ",STR_PAD_LEFT)." : Poller End, Total Time: $time msec.\n");
adm_hosts_update($host_id,array("last_poll_date"=>time(), "last_poll_time"=>round($time/1000)));
?>
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