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New process table for a better detection of running workers

This commit is contained in:
Michael Vogel 2016-09-09 20:33:54 +00:00
parent 5ebeb7e85c
commit 22f32d9721
23 changed files with 107 additions and 13 deletions
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41
boot.php
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@ -38,7 +38,7 @@ define ( 'FRIENDICA_PLATFORM', 'Friendica');
define ( 'FRIENDICA_CODENAME', 'Asparagus');
define ( 'FRIENDICA_VERSION', '3.5-dev' );
define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
define ( 'DB_UPDATE_VERSION', 1201 );
define ( 'DB_UPDATE_VERSION', 1202 );
/**
* @brief Constant with a HTML line break.
@ -1099,6 +1099,42 @@ class App {
}
/**
* @brief Log active processes into the "process" table
*/
function start_process() {
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1);
$command = basename($trace[0]["file"]);
$this->remove_inactive_processes();
$r = q("SELECT `pid` FROM `process` WHERE `pid` = %d", intval(getmypid()));
if(!dbm::is_result($r))
q("INSERT INTO `process` (`pid`,`command`,`created`) VALUES (%d, '%s', '%s')",
intval(getmypid()),
dbesc($command),
dbesc(datetime_convert()));
}
/**
* @brief Remove inactive processes
*/
function remove_inactive_processes() {
$r = q("SELECT `pid` FROM `process`");
if(dbm::is_result($r))
foreach ($r AS $process)
if (!posix_kill($process["pid"], 0))
q("DELETE FROM `process` WHERE `pid` = %d", intval($process["pid"]));
}
/**
* @brief Remove the active process from the "process" table
*/
function end_process() {
q("DELETE FROM `process` WHERE `pid` = %d", intval(getmypid()));
}
/**
* @brief Returns a string with a callstack. Can be used for logging.
*
@ -1699,6 +1735,9 @@ function login($register = false, $hiddens=false) {
* @brief Used to end the current process, after saving session state.
*/
function killme() {
get_app()->end_process();
if (!get_app()->is_backend())
session_write_close();

2
include/auth_ejabberd.php
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@ -58,6 +58,8 @@ if(is_null($db)) {
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
// the logfile to which to write, should be writeable by the user which is running the server
$sLogFile = get_config('jabber','logfile');

4
include/cli_startup.php
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@ -11,7 +11,7 @@ function cli_startup() {
if(is_null($a)) {
$a = new App;
}
if(is_null($db)) {
@include(".htconfig.php");
require_once("dba.php");
@ -19,6 +19,8 @@ function cli_startup() {
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
load_config('config');

1
include/cron.php
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@ -27,6 +27,7 @@ function cron_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
require_once('include/datetime.php');

2
include/cronhooks.php
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@ -17,6 +17,8 @@ function cronhooks_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
require_once('include/datetime.php');

1
include/cronjobs.php
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@ -27,6 +27,7 @@ function cronjobs_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
require_once('include/datetime.php');

13
include/dbstructure.php
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@ -1114,6 +1114,17 @@ function db_definition() {
"choice" => array("choice"),
)
);
$database["process"] = array(
"fields" => array(
"pid" => array("type" => "int(10) unsigned", "not null" => "1", "primary" => "1"),
"command" => array("type" => "varchar(32)", "not null" => "1", "default" => ""),
"created" => array("type" => "datetime", "not null" => "1", "default" => "0000-00-00 00:00:00"),
),
"indexes" => array(
"PRIMARY" => array("pid"),
"command" => array("command"),
)
);
$database["profile"] = array(
"fields" => array(
"id" => array("type" => "int(11)", "not null" => "1", "extra" => "auto_increment", "primary" => "1"),
@ -1456,6 +1467,8 @@ function dbstructure_run(&$argv, &$argc) {
unset($db_host, $db_user, $db_pass, $db_data);
}
$a->start_process();
if ($argc==2) {
switch ($argv[1]) {
case "update":

2
include/dbupdate.php
View File

@ -16,6 +16,8 @@ function dbupdate_run(&$argv, &$argc) {
unset($db_host, $db_user, $db_pass, $db_data);
}
$a->start_process();
load_config('config');
load_config('system');

2
include/delivery.php
View File

@ -21,6 +21,8 @@ function delivery_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
}
$a->start_process();
require_once("include/session.php");
require_once("include/datetime.php");
require_once('include/items.php');

2
include/directory.php
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@ -15,6 +15,8 @@ function directory_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
load_config('config');
load_config('system');

2
include/discover_poco.php
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@ -18,6 +18,8 @@ function discover_poco_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
require_once('include/datetime.php');

2
include/expire.php
View File

@ -16,6 +16,8 @@ function expire_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
require_once('include/datetime.php');
require_once('include/items.php');

2
include/gprobe.php
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@ -18,6 +18,8 @@ function gprobe_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
require_once('include/datetime.php');

2
include/notifier.php
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@ -54,6 +54,8 @@ function notifier_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
}
$a->start_process();
require_once("include/session.php");
require_once("include/datetime.php");
require_once('include/items.php');

1
include/onepoll.php
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@ -24,6 +24,7 @@ function onepoll_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/session.php');
require_once('include/datetime.php');

28
include/poller.php
View File

@ -29,6 +29,10 @@ function poller_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
$mypid = getmypid();
if ($a->max_processes_reached())
return;
@ -81,15 +85,19 @@ function poller_run(&$argv, &$argc){
q("UPDATE `workerqueue` SET `executed` = '%s', `pid` = %d WHERE `id` = %d AND `executed` = '0000-00-00 00:00:00'",
dbesc(datetime_convert()),
intval(getmypid()),
intval($mypid),
intval($r[0]["id"]));
// Assure that there are no tasks executed twice
$id = q("SELECT `id` FROM `workerqueue` WHERE `id` = %d AND `pid` = %d",
intval($r[0]["id"]),
intval(getmypid()));
$id = q("SELECT `pid`, `executed` FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
if (!$id) {
logger("Queue item ".$r[0]["id"]." was executed multiple times - skip this execution", LOGGER_DEBUG);
logger("Queue item ".$r[0]["id"]." vanished - skip this execution", LOGGER_DEBUG);
continue;
} elseif ((strtotime($id[0]["executed"]) <= 0) OR ($id[0]["pid"] == 0)) {
logger("Entry for queue item ".$r[0]["id"]." wasn't stored - we better stop here", LOGGER_DEBUG);
return;
} elseif ($id[0]["pid"] != $mypid) {
logger("Queue item ".$r[0]["id"]." is to be executed by process ".$id[0]["pid"]." and not by me (".$mypid.") - skip this execution", LOGGER_DEBUG);
continue;
}
@ -111,15 +119,15 @@ function poller_run(&$argv, &$argc){
$funcname = str_replace(".php", "", basename($argv[0]))."_run";
if (function_exists($funcname)) {
logger("Process ".getmypid()." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." ".$r[0]["parameter"]);
logger("Process ".$mypid." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." ".$r[0]["parameter"]);
$funcname($argv, $argc);
if ($cooldown > 0) {
logger("Process ".getmypid()." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." - in cooldown for ".$cooldown." seconds");
logger("Process ".$mypid." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." - in cooldown for ".$cooldown." seconds");
sleep($cooldown);
}
logger("Process ".getmypid()." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." - done");
logger("Process ".$mypid." - Prio ".$r[0]["priority"]." - ID ".$r[0]["id"].": ".$funcname." - done");
q("DELETE FROM `workerqueue` WHERE `id` = %d", intval($r[0]["id"]));
} else
@ -319,9 +327,9 @@ function poller_too_much_workers() {
}
function poller_active_workers() {
$workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
$workers = q("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'poller.php'");
return($workers[0]["workers"]);
return($workers[0]["processes"]);
}
if (array_search(__file__,get_included_files())===0){

2
include/pubsubpublish.php
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@ -70,6 +70,8 @@ function pubsubpublish_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/items.php');
load_config('config');

1
include/queue.php
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@ -17,6 +17,7 @@ function queue_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once("include/session.php");
require_once("include/datetime.php");

2
include/shadowupdate.php
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@ -14,6 +14,8 @@ if(is_null($db)) {
unset($db_host, $db_user, $db_pass, $db_data);
}
$a->start_process();
load_config('config');
load_config('system');

2
include/tagupdate.php
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@ -14,6 +14,8 @@ if(is_null($db)) {
unset($db_host, $db_user, $db_pass, $db_data);
}
$a->start_process();
load_config('config');
load_config('system');

2
include/threadupdate.php
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@ -14,6 +14,8 @@ if(is_null($db)) {
unset($db_host, $db_user, $db_pass, $db_data);
}
$a->start_process();
load_config('config');
load_config('system');

2
include/update_gcontact.php
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@ -16,6 +16,8 @@ function update_gcontact_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
$a->start_process();
require_once('include/Scrape.php');
require_once("include/socgraph.php");

2
update.php
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@ -1,6 +1,6 @@
<?php
define('UPDATE_VERSION' , 1201);
define('UPDATE_VERSION' , 1202);
/**
*