first phase of daemon refactoring

1 files changed, 437 insertions, 0 deletions

diff --git a/Zotlabs/Daemon/Poller.php b/Zotlabs/Daemon/Poller.php
new file mode 100644
index 000000000..ab96de7c8
--- /dev/null
+++ b/Zotlabs/Daemon/Poller.php
@@ -0,0 +1,437 @@
+<?php /** @file */
+
+namespace Zotlabs\Daemon;
+
+class Poller {
+
+	static public function run($argc,$argv) {
+
+		$maxsysload = intval(get_config('system','maxloadavg'));
+		if($maxsysload < 1)
+			$maxsysload = 50;
+		if(function_exists('sys_getloadavg')) {
+			$load = sys_getloadavg();
+			if(intval($load[0]) > $maxsysload) {
+				logger('system: load ' . $load . ' too high. Poller deferred to next scheduled run.');
+				return;
+			}
+		}
+
+		$interval = intval(get_config('system','poll_interval'));
+		if(! $interval) 
+			$interval = ((get_config('system','delivery_interval') === false) ? 3 : intval(get_config('system','delivery_interval')));
+
+		// Check for a lockfile.  If it exists, but is over an hour old, it's stale.  Ignore it.
+		$lockfile = 'store/[data]/poller';
+		if((file_exists($lockfile)) && (filemtime($lockfile) > (time() - 3600)) 
+			&& (! get_config('system','override_poll_lockfile'))) {
+			logger("poller: Already running");
+			return;
+		}
+	
+		// Create a lockfile.  Needs two vars, but $x doesn't need to contain anything.
+		file_put_contents($lockfile, $x);
+
+		logger('poller: start');
+	
+		// run queue delivery process in the background
+
+		proc_run('php',"include/queue.php");
+
+
+		// maintenance for mod sharedwithme - check for updated items and remove them
+
+		require_once('include/sharedwithme.php');
+		apply_updates();
+	
+
+		// expire any expired mail
+
+		q("delete from mail where expires != '%s' and expires < %s ",
+			dbesc(NULL_DATE),
+			db_utcnow()
+		);
+
+		// expire any expired items
+
+		$r = q("select id from item where expires != '%s' and expires < %s 
+			and item_deleted = 0 ",
+			dbesc(NULL_DATE),
+			db_utcnow()
+		);
+		if($r) {
+			require_once('include/items.php');
+			foreach($r as $rr)
+				drop_item($rr['id'],false);
+		}
+
+
+		// Ensure that every channel pings a directory server once a month. This way we can discover
+		// channels and sites that quietly vanished and prevent the directory from accumulating stale
+		// or dead entries.
+
+		$r = q("select channel_id from channel where channel_dirdate < %s - INTERVAL %s",
+			db_utcnow(), 
+			db_quoteinterval('30 DAY')
+		);
+		if($r) {
+			foreach($r as $rr) {
+				proc_run('php','include/directory.php',$rr['channel_id'],'force');
+				if($interval)
+					@time_sleep_until(microtime(true) + (float) $interval);
+			}
+		}
+
+		// publish any applicable items that were set to be published in the future
+		// (time travel posts). Restrict to items that have come of age in the last
+		// couple of days to limit the query to something reasonable. 
+
+		$r = q("select id from item where item_delayed = 1 and created <= %s  and created > '%s' ",
+			db_utcnow(),
+			dbesc(datetime_convert('UTC','UTC','now - 2 days'))
+		);
+		if($r) {
+			foreach($r as $rr) {
+				$x = q("update item set item_delayed = 0 where id = %d",
+					intval($rr['id'])
+				);
+				if($x) {
+					proc_run('php','include/notifier.php','wall-new',$rr['id']);
+				}
+			}
+		}
+
+		$abandon_days = intval(get_config('system','account_abandon_days'));
+		if($abandon_days < 1)
+			$abandon_days = 0;
+
+	
+		// once daily run birthday_updates and then expire in background
+
+		// FIXME: add birthday updates, both locally and for xprof for use
+		// by directory servers
+
+		$d1 = intval(get_config('system','last_expire_day'));
+		$d2 = intval(datetime_convert('UTC','UTC','now','d'));
+
+		// Allow somebody to staggger daily activities if they have more than one site on their server,
+		// or if it happens at an inconvenient (busy) hour.
+
+		$h1 = intval(get_config('system','cron_hour'));
+		$h2 = intval(datetime_convert('UTC','UTC','now','G'));
+
+		$dirmode = get_config('system','directory_mode');
+
+		/**
+		 * Cron Daily
+		 *
+		 * Actions in the following block are executed once per day, not on every poller run
+		 *
+		 */
+
+		if(($d2 != $d1) && ($h1 == $h2)) {
+
+			require_once('include/dir_fns.php');
+			check_upstream_directory();
+
+			call_hooks('cron_daily',datetime_convert());
+
+
+			$d3 = intval(datetime_convert('UTC','UTC','now','N'));
+			if($d3 == 7) {
+		
+				/**
+				 * Cron Weekly
+				 * 
+				 * Actions in the following block are executed once per day only on Sunday (once per week).
+				 *
+				 */
+
+
+				call_hooks('cron_weekly',datetime_convert());
+
+
+				z_check_cert();
+
+				require_once('include/hubloc.php');
+				prune_hub_reinstalls();
+	
+				require_once('include/Contact.php');
+				mark_orphan_hubsxchans();
+
+
+				// get rid of really old poco records
+
+				q("delete from xlink where xlink_updated < %s - INTERVAL %s and xlink_static = 0 ",
+					db_utcnow(), db_quoteinterval('14 DAY')
+				);
+
+				$dirmode = intval(get_config('system','directory_mode'));
+				if($dirmode === DIRECTORY_MODE_SECONDARY || $dirmode === DIRECTORY_MODE_PRIMARY) {
+					logger('regdir: ' . print_r(z_fetch_url(get_directory_primary() . '/regdir?f=&url=' . urlencode(z_root()) . '&realm=' . urlencode(get_directory_realm())),true));
+				}
+
+				// Check for dead sites
+				proc_run('php', 'include/checksites.php');
+			
+				// update searchable doc indexes
+				proc_run('php', 'include/importdoc.php');
+
+				/**
+				 * End Cron Weekly
+				 */
+			}
+
+			update_birthdays();
+
+			//update statistics in config
+			require_once('include/statistics_fns.php');
+			update_channels_total_stat();
+			update_channels_active_halfyear_stat();
+			update_channels_active_monthly_stat();
+			update_local_posts_stat();
+
+			// expire any read notifications over a month old
+
+			q("delete from notify where seen = 1 and date < %s - INTERVAL %s",
+				db_utcnow(), db_quoteinterval('30 DAY')
+			);
+
+			// expire old delivery reports
+
+			$keep_reports = intval(get_config('system','expire_delivery_reports'));
+			if($keep_reports === 0)
+				$keep_reports = 10;
+
+			q("delete from dreport where dreport_time < %s - INTERVAL %s",
+				db_utcnow(),
+				db_quoteinterval($keep_reports . ' DAY')
+			);
+
+			// expire any expired accounts
+			downgrade_accounts();
+
+			// If this is a directory server, request a sync with an upstream
+			// directory at least once a day, up to once every poll interval. 
+			// Pull remote changes and push local changes.
+			// potential issue: how do we keep from creating an endless update loop? 
+
+			if($dirmode == DIRECTORY_MODE_SECONDARY || $dirmode == DIRECTORY_MODE_PRIMARY) {
+				require_once('include/dir_fns.php');
+				sync_directories($dirmode);
+			}
+
+			set_config('system','last_expire_day',$d2);
+
+			proc_run('php','include/expire.php');
+			proc_run('php','include/cli_suggest.php');
+
+			require_once('include/hubloc.php');
+			remove_obsolete_hublocs();
+
+			/**
+			 * End Cron Daily
+			 */
+		}
+
+		// update any photos which didn't get imported properly
+		// This should be rare
+
+		$r = q("select xchan_photo_l, xchan_hash from xchan where xchan_photo_l != '' and xchan_photo_m = '' 
+			and xchan_photo_date < %s - INTERVAL %s",
+			db_utcnow(), 
+			db_quoteinterval('1 DAY')
+		);
+		if($r) {
+			require_once('include/photo/photo_driver.php');
+			foreach($r as $rr) {
+				$photos = import_xchan_photo($rr['xchan_photo_l'],$rr['xchan_hash']);
+				$x = q("update xchan set xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s'
+					where xchan_hash = '%s'",
+					dbesc($photos[0]),
+					dbesc($photos[1]),
+					dbesc($photos[2]),
+					dbesc($photos[3]),
+					dbesc($rr['xchan_hash'])
+				);
+			}
+		}
+
+
+		// pull in some public posts
+
+		if(! get_config('system','disable_discover_tab'))
+			proc_run('php','include/externals.php');
+
+
+		$manual_id  = 0;
+		$generation = 0;
+
+		$force      = false;
+		$restart    = false;
+
+		if(($argc > 1) && ($argv[1] == 'force'))
+			$force = true;
+
+		if(($argc > 1) && ($argv[1] == 'restart')) {
+			$restart = true;
+			$generation = intval($argv[2]);
+			if(! $generation)
+				killme();		
+		}
+
+		if(($argc > 1) && intval($argv[1])) {
+			$manual_id = intval($argv[1]);
+			$force     = true;
+		}
+
+
+		$sql_extra = (($manual_id) ? " AND abook_id = " . intval($manual_id) . " " : "");
+
+		reload_plugins();
+
+		$d = datetime_convert();
+
+		// TODO check to see if there are any cronhooks before wasting a process
+
+		if(! $restart)
+			proc_run('php','include/cronhooks.php');
+
+		// Only poll from those with suitable relationships
+
+		$abandon_sql = (($abandon_days) 
+			? sprintf(" AND account_lastlog > %s - INTERVAL %s ", db_utcnow(), db_quoteinterval(intval($abandon_days).' DAY')) 
+			: '' 
+		);
+
+		$randfunc = db_getfunc('RAND');
+	
+		$contacts = q("SELECT * FROM abook LEFT JOIN xchan on abook_xchan = xchan_hash 
+			LEFT JOIN account on abook_account = account_id
+			where abook_self = 0
+			$sql_extra 
+			AND (( account_flags = %d ) OR ( account_flags = %d )) $abandon_sql ORDER BY $randfunc",
+			intval(ACCOUNT_OK),
+			intval(ACCOUNT_UNVERIFIED)     // FIXME
+
+		);
+
+		if($contacts) {
+
+			foreach($contacts as $contact) {
+
+				$update  = false;
+
+				$t = $contact['abook_updated'];
+				$c = $contact['abook_connected'];
+
+				if(intval($contact['abook_feed'])) {
+					$min = service_class_fetch($contact['abook_channel'],'minimum_feedcheck_minutes');
+					if(! $min)
+						$min = intval(get_config('system','minimum_feedcheck_minutes'));
+					if(! $min)
+						$min = 60;
+					$x = datetime_convert('UTC','UTC',"now - $min minutes");
+					if($c < $x) {
+						proc_run('php','include/onepoll.php',$contact['abook_id']);
+						if($interval)
+							@time_sleep_until(microtime(true) + (float) $interval);
+					}
+					continue;
+				}
+
+
+				if($contact['xchan_network'] !== 'zot')
+					continue;
+
+				if($c == $t) {
+					if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
+						$update = true;
+				}
+				else {
+	
+					// if we've never connected with them, start the mark for death countdown from now
+	
+					if($c == NULL_DATE) {
+						$r = q("update abook set abook_connected = '%s'  where abook_id = %d",
+							dbesc(datetime_convert()),
+							intval($contact['abook_id'])
+						);
+						$c = datetime_convert();
+						$update = true;
+					}
+
+					// He's dead, Jim
+
+					if(strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $c . " + 30 day")) > 0) {	
+						$r = q("update abook set abook_archived = 1 where abook_id = %d",
+							intval($contact['abook_id'])
+						);
+						$update = false;
+						continue;
+					}
+
+					if(intval($contact['abook_archived'])) {
+						$update = false;
+						continue;
+					}
+
+					// might be dead, so maybe don't poll quite so often
+	
+					// recently deceased, so keep up the regular schedule for 3 days
+ 
+					if((strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $c . " + 3 day")) > 0)
+					 && (strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $t . " + 1 day")) > 0))
+						$update = true;
+
+					// After that back off and put them on a morphine drip
+
+					if(strcmp(datetime_convert('UTC','UTC', 'now'),datetime_convert('UTC','UTC', $t . " + 2 day")) > 0) {	
+						$update = true;
+					}
+
+				}
+
+				if(intval($contact['abook_pending']) || intval($contact['abook_archived']) || intval($contact['abook_ignored']) || intval($contact['abook_blocked']))
+					continue;
+
+				if((! $update) && (! $force))
+						continue;
+
+				proc_run('php','include/onepoll.php',$contact['abook_id']);
+				if($interval)
+					@time_sleep_until(microtime(true) + (float) $interval);
+
+			}
+		}
+
+		if($dirmode == DIRECTORY_MODE_SECONDARY || $dirmode == DIRECTORY_MODE_PRIMARY) {
+			$r = q("SELECT u.ud_addr, u.ud_id, u.ud_last FROM updates AS u INNER JOIN (SELECT ud_addr, max(ud_id) AS ud_id FROM updates WHERE ( ud_flags & %d ) = 0 AND ud_addr != '' AND ( ud_last = '%s' OR ud_last > %s - INTERVAL %s ) GROUP BY ud_addr) AS s ON s.ud_id = u.ud_id ",
+				intval(UPDATE_FLAGS_UPDATED),
+				dbesc(NULL_DATE),
+				db_utcnow(), db_quoteinterval('7 DAY')
+			);
+			if($r) {
+				foreach($r as $rr) {
+
+					// If they didn't respond when we attempted before, back off to once a day
+					// After 7 days we won't bother anymore
+
+					if($rr['ud_last'] != NULL_DATE)
+						if($rr['ud_last'] > datetime_convert('UTC','UTC', 'now - 1 day'))
+							continue;
+					proc_run('php','include/onedirsync.php',$rr['ud_id']);
+					if($interval)
+						@time_sleep_until(microtime(true) + (float) $interval);
+				}
+			}
+		}	
+
+		set_config('system','lastpoll',datetime_convert());
+
+		//All done - clear the lockfile	
+		@unlink($lockfile);
+
+		return;
+	}
+}