Merge pull request #6 from redmatrix/dev

Dev

1 files changed, 202 insertions, 0 deletions

diff --git a/Zotlabs/Daemon/Poller.php b/Zotlabs/Daemon/Poller.php
new file mode 100644
index 000000000..75efbf8f7
--- /dev/null
+++ b/Zotlabs/Daemon/Poller.php
@@ -0,0 +1,202 @@
+<?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');
+	
+		$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();
+
+		// 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 < $x) {
+						Master::Summon(array('Onepoll',$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) && (! $force))
+						continue;
+
+				Master::Summon(array('Onepoll',$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($rr['ud_last'] > datetime_convert('UTC','UTC', 'now - 1 day'))
+							continue;
+					Master::Summon(array('Onedirsync',$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;
+	}
+}