backend support for 'x' deliveries per process - x is configurable, more importantly any search starting with # is automatically a tag search. TODO: Need to extend this to people searches starting with @

3 files changed, 394 insertions, 377 deletions

diff --git a/include/delivery.php b/include/delivery.php
index 5f84a548a..1cee2d697 100644
--- a/include/delivery.php
+++ b/include/delivery.php
@@ -38,164 +38,167 @@ function delivery_run($argv, $argc){
 
 	$cmd        = $argv[1];
 	$item_id    = intval($argv[2]);
-	$contact_id = intval($argv[3]);
 
-	// Some other process may have delivered this item already.
+	for($x = 3; $x < $argc; $x ++) {
 
-	$r = q("select * from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
-		dbesc($cmd),
-		dbesc($item_id),
-		dbesc($contact_id)
-	);
-	if(! count($r)) {
-		return;
-	}	
-
-	$maxsysload = intval(get_config('system','maxloadavg'));
-	if($maxsysload < 1)
-		$maxsysload = 50;
-	if(function_exists('sys_getloadavg')) {
-		$load = sys_getloadavg();
-		if(intval($load[0]) > $maxsysload) {
-			logger('system: load ' . $load . ' too high. Delivery deferred to next queue run.');
-			return;
-		}
-	}
+		$contact_id = intval($argv[x]);
 
-	// It's ours to deliver. Remove it from the queue.
+		// Some other process may have delivered this item already.
 
-	q("delete from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
-		dbesc($cmd),
-		dbesc($item_id),
-		dbesc($contact_id)
-	);
+		$r = q("select * from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
+			dbesc($cmd),
+			dbesc($item_id),
+			dbesc($contact_id)
+		);
+		if(! count($r)) {
+			continue;
+		}	
+
+		$maxsysload = intval(get_config('system','maxloadavg'));
+		if($maxsysload < 1)
+			$maxsysload = 50;
+		if(function_exists('sys_getloadavg')) {
+			$load = sys_getloadavg();
+			if(intval($load[0]) > $maxsysload) {
+				logger('system: load ' . $load . ' too high. Delivery deferred to next queue run.');
+				return;
+			}
+		}
 
-	if((! $item_id) || (! $contact_id))
-		return;
+		// It's ours to deliver. Remove it from the queue.
 
-	$expire = false;
-	$top_level = false;
-	$recipients = array();
-	$url_recipients = array();
+		q("delete from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
+			dbesc($cmd),
+			dbesc($item_id),
+			dbesc($contact_id)
+		);
 
-	$normal_mode = true;
+		if((! $item_id) || (! $contact_id))
+			continue;
 
-	$recipients[] = $contact_id;
+		$expire = false;
+		$top_level = false;
+		$recipients = array();
+		$url_recipients = array();
 
-	if($cmd === 'expire') {
-		$normal_mode = false;
-		$expire = true;
-		$items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1 
-			AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
-			intval($item_id)
-		);
-		$uid = $item_id;
-		$item_id = 0;
-		if(! count($items))
-			return;
-	}
-	else {
+		$normal_mode = true;
 
-		// find ancestors
-		$r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
-			intval($item_id)
-		);
+		$recipients[] = $contact_id;
 
-		if((! count($r)) || (! intval($r[0]['parent']))) {
-			return;
+		if($cmd === 'expire') {
+			$normal_mode = false;
+			$expire = true;
+			$items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1 
+				AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
+				intval($item_id)
+			);
+			$uid = $item_id;
+			$item_id = 0;
+			if(! count($items))
+			continue;
 		}
+		else {
 
-		$target_item = $r[0];
-		$parent_id = intval($r[0]['parent']);
-		$uid = $r[0]['uid'];
-		$updated = $r[0]['edited'];
+			// find ancestors
+			$r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
+				intval($item_id)
+			);
 
-		if(! $parent_id)
-			return;
+			if((! count($r)) || (! intval($r[0]['parent']))) {
+				continue;
+			}
 
+			$target_item = $r[0];
+			$parent_id = intval($r[0]['parent']);
+			$uid = $r[0]['uid'];
+			$updated = $r[0]['edited'];
 
-		$items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer` 
-			FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
-			intval($parent_id)
-		);
+			if(! $parent_id)
+				continue;
 
-		if(! count($items)) {
-			return;
-		}
 
-		$icontacts = null;
-		$contacts_arr = array();
-		foreach($items as $item)
-			if(! in_array($item['contact-id'],$contacts_arr))
-				$contacts_arr[] = intval($item['contact-id']);
-		if(count($contacts_arr)) {
-			$str_contacts = implode(',',$contacts_arr); 
-			$icontacts = q("SELECT * FROM `contact` 
-				WHERE `id` IN ( $str_contacts ) "
+			$items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer` 
+				FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
+				intval($parent_id)
 			);
-		}
-		if( ! ($icontacts && count($icontacts)))
-			return;
 
-		// avoid race condition with deleting entries
+			if(! count($items)) {
+				continue;
+			}
 
-		if($items[0]['deleted']) {
+			$icontacts = null;
+			$contacts_arr = array();
 			foreach($items as $item)
-				$item['deleted'] = 1;
-		}
+				if(! in_array($item['contact-id'],$contacts_arr))
+					$contacts_arr[] = intval($item['contact-id']);
+			if(count($contacts_arr)) {
+				$str_contacts = implode(',',$contacts_arr); 
+				$icontacts = q("SELECT * FROM `contact` 
+					WHERE `id` IN ( $str_contacts ) "
+				);
+			}
+			if( ! ($icontacts && count($icontacts)))
+				continue;
+
+			// avoid race condition with deleting entries
 
-		if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
-			logger('delivery: top level post');
-			$top_level = true;
+			if($items[0]['deleted']) {
+				foreach($items as $item)
+					$item['deleted'] = 1;
+			}
+
+			if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
+				logger('delivery: top level post');
+				$top_level = true;
+			}
 		}
-	}
 
-	$r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`, 
-		`user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, 
-		`user`.`page-flags`, `user`.`prvnets`
-		FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid` 
-		WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
-		intval($uid)
-	);
+		$r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`, 
+			`user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, 
+			`user`.`page-flags`, `user`.`prvnets`
+			FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid` 
+			WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
+			intval($uid)
+		);
 
-	if(! count($r))
-		return;
+		if(! count($r))
+			continue;
 
-	$owner = $r[0];
+		$owner = $r[0];
 
-	$walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
+		$walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 
-	$public_message = true;
+		$public_message = true;
 
-	// fill this in with a single salmon slap if applicable
+		// fill this in with a single salmon slap if applicable
 
-	$slap = '';
+		$slap = '';
 
-	require_once('include/group.php');
+		require_once('include/group.php');
 
-	$parent = $items[0];
+		$parent = $items[0];
 
-		// This is IMPORTANT!!!!
+			// This is IMPORTANT!!!!
 
-		// We will only send a "notify owner to relay" or followup message if the referenced post
-		// originated on our system by virtue of having our hostname somewhere
-		// in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
-		// if $parent['wall'] == 1 we will already have the parent message in our array
-		// and we will relay the whole lot.
- 
-		// expire sends an entire group of expire messages and cannot be forwarded.
-		// However the conversation owner will be a part of the conversation and will 
-		// be notified during this run.
-		// Other DFRN conversation members will be alerted during polled updates.
-
-		// Diaspora members currently are not notified of expirations, and other networks have
-		// either limited or no ability to process deletions. We should at least fix Diaspora 
-		// by stringing togther an array of retractions and sending them onward.
+			// We will only send a "notify owner to relay" or followup message if the referenced post
+			// originated on our system by virtue of having our hostname somewhere
+			// in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
+			// if $parent['wall'] == 1 we will already have the parent message in our array
+			// and we will relay the whole lot.
+ 	
+			// expire sends an entire group of expire messages and cannot be forwarded.
+			// However the conversation owner will be a part of the conversation and will 
+			// be notified during this run.
+			// Other DFRN conversation members will be alerted during polled updates.
+
+			// Diaspora members currently are not notified of expirations, and other networks have
+			// either limited or no ability to process deletions. We should at least fix Diaspora 
+			// by stringing togther an array of retractions and sending them onward.
 		 
   	
-	$localhost = $a->get_hostname();
-	if(strpos($localhost,':'))
-		$localhost = substr($localhost,0,strpos($localhost,':'));
+		$localhost = $a->get_hostname();
+		if(strpos($localhost,':'))
+			$localhost = substr($localhost,0,strpos($localhost,':'));
 
 		/**
 		 *
@@ -205,337 +208,338 @@ function delivery_run($argv, $argc){
 		 *
 		 */
  
-	if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
-		logger('relay denied for delivery agent.');
+		if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
+			logger('relay denied for delivery agent.');
 
-		/* no relay allowed for direct contact delivery */
-		return;
-	}
+			/* no relay allowed for direct contact delivery */
+			continue;
+		}
 
-	if((strlen($parent['allow_cid'])) 
-		|| (strlen($parent['allow_gid'])) 
-		|| (strlen($parent['deny_cid'])) 
-		|| (strlen($parent['deny_gid']))) {
-		$public_message = false; // private recipients, not public
-	}
+		if((strlen($parent['allow_cid'])) 
+			|| (strlen($parent['allow_gid'])) 
+			|| (strlen($parent['deny_cid'])) 
+			|| (strlen($parent['deny_gid']))) {
+			$public_message = false; // private recipients, not public
+		}
 
-	$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
-		intval($contact_id)
-	);
+		$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
+			intval($contact_id)
+		);
 
-	if(count($r))
-		$contact = $r[0];
+		if(count($r))
+			$contact = $r[0];
 	
-	$hubxml = feed_hublinks();
+		$hubxml = feed_hublinks();
 
-	logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
+		logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 
-	require_once('include/salmon.php');
+		require_once('include/salmon.php');
 
-	if($contact['self'])
-		return;
+		if($contact['self'])
+			continue;
 
-	$deliver_status = 0;
+		$deliver_status = 0;
 
-	switch($contact['network']) {
+		switch($contact['network']) {
 
-		case NETWORK_DFRN :
-			logger('notifier: dfrndelivery: ' . $contact['name']);
+			case NETWORK_DFRN :
+				logger('notifier: dfrndelivery: ' . $contact['name']);
 
-			$feed_template = get_markup_template('atom_feed.tpl');
-			$mail_template = get_markup_template('atom_mail.tpl');
+				$feed_template = get_markup_template('atom_feed.tpl');
+				$mail_template = get_markup_template('atom_mail.tpl');
 
-			$atom = '';
+				$atom = '';
 
 
-			$birthday = feed_birthday($owner['uid'],$owner['timezone']);
+				$birthday = feed_birthday($owner['uid'],$owner['timezone']);
 
-			if(strlen($birthday))
-				$birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
+				if(strlen($birthday))
+					$birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 
-			$atom .= replace_macros($feed_template, array(
-					'$version'      => xmlify(FRIENDICA_VERSION),
-					'$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
-					'$feed_title'   => xmlify($owner['name']),
-					'$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
-					'$hub'          => $hubxml,
-					'$salmon'       => '',  // private feed, we don't use salmon here
-					'$name'         => xmlify($owner['name']),
-					'$profile_page' => xmlify($owner['url']),
-					'$photo'        => xmlify($owner['photo']),
-					'$thumb'        => xmlify($owner['thumb']),
-					'$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
-					'$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
-					'$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
-					'$birthday'     => $birthday,
-					'$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
-			));
+				$atom .= replace_macros($feed_template, array(
+						'$version'      => xmlify(FRIENDICA_VERSION),
+						'$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
+						'$feed_title'   => xmlify($owner['name']),
+						'$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
+						'$hub'          => $hubxml,
+						'$salmon'       => '',  // private feed, we don't use salmon here
+						'$name'         => xmlify($owner['name']),
+						'$profile_page' => xmlify($owner['url']),
+						'$photo'        => xmlify($owner['photo']),
+						'$thumb'        => xmlify($owner['thumb']),
+						'$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
+						'$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
+						'$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
+						'$birthday'     => $birthday,
+						'$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
+				));
 
-			foreach($items as $item) {
-				if(! $item['parent'])
-					continue;
+				foreach($items as $item) {
+					if(! $item['parent'])
+						continue;
 
-				// private emails may be in included in public conversations. Filter them.
-				if(($public_message) && $item['private'])
-					continue;
+					// private emails may be in included in public conversations. Filter them.
+					if(($public_message) && $item['private'])
+						continue;
 
-				$item_contact = get_item_contact($item,$icontacts);
-				if(! $item_contact)
-					continue;
+					$item_contact = get_item_contact($item,$icontacts);
+					if(! $item_contact)
+						continue;
 
-				if($normal_mode) {
-					if($item_id == $item['id'] || $item['id'] == $item['parent'])
+					if($normal_mode) {
+						if($item_id == $item['id'] || $item['id'] == $item['parent'])
+							$atom .= atom_entry($item,'text',null,$owner,true);
+					}
+					else
 						$atom .= atom_entry($item,'text',null,$owner,true);
-				}
-				else
-					$atom .= atom_entry($item,'text',null,$owner,true);
-
-			}
 
-			$atom .= '</feed>' . "\r\n";
-
-			logger('notifier: ' . $atom, LOGGER_DATA);
-			$basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
-
-			// perform local delivery if we are on the same site
+				}
 
-			if(link_compare($basepath,$a->get_baseurl())) {
+				$atom .= '</feed>' . "\r\n";
+	
+				logger('notifier: ' . $atom, LOGGER_DATA);
+				$basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
+
+				// perform local delivery if we are on the same site
+
+				if(link_compare($basepath,$a->get_baseurl())) {
+
+					$nickname = basename($contact['url']);
+					if($contact['issued-id'])
+						$sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
+					else
+						$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
+
+					$x = q("SELECT	`contact`.*, `contact`.`uid` AS `importer_uid`, 
+						`contact`.`pubkey` AS `cpubkey`, 
+						`contact`.`prvkey` AS `cprvkey`, 
+						`contact`.`thumb` AS `thumb`, 
+						`contact`.`url` as `url`,
+						`contact`.`name` as `senderName`,
+						`user`.* 
+						FROM `contact` 
+						LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` 
+						WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
+						AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
+						$sql_extra
+						AND `user`.`account_expired` = 0 LIMIT 1",
+						dbesc(NETWORK_DFRN),
+						dbesc($nickname)
+					);
 
-				$nickname = basename($contact['url']);
-				if($contact['issued-id'])
-					$sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
-				else
-					$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
-
-				$x = q("SELECT	`contact`.*, `contact`.`uid` AS `importer_uid`, 
-					`contact`.`pubkey` AS `cpubkey`, 
-					`contact`.`prvkey` AS `cprvkey`, 
-					`contact`.`thumb` AS `thumb`, 
-					`contact`.`url` as `url`,
-					`contact`.`name` as `senderName`,
-					`user`.* 
-					FROM `contact` 
-					LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` 
-					WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
-					AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
-					$sql_extra
-					AND `user`.`account_expired` = 0 LIMIT 1",
-					dbesc(NETWORK_DFRN),
-					dbesc($nickname)
-				);
+					if(count($x)) {
+						if($owner['page-flags'] == PAGE_COMMUNITY && ! $x[0]['writable']) {
+							q("update contact set writable = 1 where id = %d limit 1",
+								intval($x[0]['id'])
+							);
+							$x[0]['writable'] = 1;
+						}
 
-				if(count($x)) {
-					if($owner['page-flags'] == PAGE_COMMUNITY && ! $x[0]['writable']) {
-						q("update contact set writable = 1 where id = %d limit 1",
-							intval($x[0]['id'])
-						);
-						$x[0]['writable'] = 1;
-					}
+						$ssl_policy = get_config('system','ssl_policy');
+						fix_contact_ssl_policy($x[0],$ssl_policy);
 
-					$ssl_policy = get_config('system','ssl_policy');
-					fix_contact_ssl_policy($x[0],$ssl_policy);
+						// If we are setup as a soapbox we aren't accepting input from this person
 
-					// If we are setup as a soapbox we aren't accepting input from this person
+						if($x[0]['page-flags'] == PAGE_SOAPBOX)
+							break;
 
-					if($x[0]['page-flags'] == PAGE_SOAPBOX)
+						require_once('library/simplepie/simplepie.inc');
+						logger('mod-delivery: local delivery');
+						local_delivery($x[0],$atom);
 						break;
-
-					require_once('library/simplepie/simplepie.inc');
-					logger('mod-delivery: local delivery');
-					local_delivery($x[0],$atom);
-					break;
+					}
 				}
-			}
-
-			if(! was_recently_delayed($contact['id']))
-				$deliver_status = dfrn_deliver($owner,$contact,$atom);
-			else
-				$deliver_status = (-1);
-
-			logger('notifier: dfrn_delivery returns ' . $deliver_status);
 
-			if($deliver_status == (-1)) {
-				logger('notifier: delivery failed: queuing message');
-				add_to_queue($contact['id'],NETWORK_DFRN,$atom);
-			}
-			break;
+				if(! was_recently_delayed($contact['id']))
+					$deliver_status = dfrn_deliver($owner,$contact,$atom);
+				else
+					$deliver_status = (-1);
 
-		case NETWORK_OSTATUS :
+				logger('notifier: dfrn_delivery returns ' . $deliver_status);
 
-			// Do not send to otatus if we are not configured to send to public networks
-			if($owner['prvnets'])
-				break;
-			if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
+				if($deliver_status == (-1)) {
+					logger('notifier: delivery failed: queuing message');
+					add_to_queue($contact['id'],NETWORK_DFRN,$atom);
+				}
 				break;
 
-			// only send salmon if public - e.g. if it's ok to notify
-			// a public hub, it's ok to send a salmon
+			case NETWORK_OSTATUS :
 
-			if(($public_message) && (! $expire)) {
-				$slaps = array();
+				// Do not send to otatus if we are not configured to send to public networks
+				if($owner['prvnets'])
+					break;
+				if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
+					break;
 
-				foreach($items as $item) {
-					if(! $item['parent'])
-						continue;
+				// only send salmon if public - e.g. if it's ok to notify
+				// a public hub, it's ok to send a salmon
 
-					// private emails may be in included in public conversations. Filter them.
-					if(($public_message) && $item['private'])
-						continue;
+				if(($public_message) && (! $expire)) {
+					$slaps = array();
 
-					$item_contact = get_item_contact($item,$icontacts);
-					if(! $item_contact)
-						continue;
+					foreach($items as $item) {
+						if(! $item['parent'])
+							continue;
 
-					if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire)) 
-						$slaps[] = atom_entry($item,'html',null,$owner,true);
-				}
+						// private emails may be in included in public conversations. Filter them.
+						if(($public_message) && $item['private'])
+							continue;
+	
+						$item_contact = get_item_contact($item,$icontacts);
+						if(! $item_contact)
+							continue;
 
-				logger('notifier: slapdelivery: ' . $contact['name']);
-				foreach($slaps as $slappy) {
-					if($contact['notify']) {
-						if(! was_recently_delayed($contact['id']))
-							$deliver_status = slapper($owner,$contact['notify'],$slappy);
-						else
-							$deliver_status = (-1);
-
-						if($deliver_status == (-1)) {
-							// queue message for redelivery
-							add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
+						if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire)) 
+							$slaps[] = atom_entry($item,'html',null,$owner,true);
+					}
+
+					logger('notifier: slapdelivery: ' . $contact['name']);
+					foreach($slaps as $slappy) {
+						if($contact['notify']) {
+							if(! was_recently_delayed($contact['id']))
+								$deliver_status = slapper($owner,$contact['notify'],$slappy);
+							else
+								$deliver_status = (-1);
+
+							if($deliver_status == (-1)) {
+								// queue message for redelivery
+								add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
+							}
 						}
 					}
 				}
-			}
-
-			break;
-
-		case NETWORK_MAIL :
-		case NETWORK_MAIL2:
 
-			if(get_config('system','dfrn_only'))
 				break;
-			// WARNING: does not currently convert to RFC2047 header encodings, etc.
 
-			$addr = $contact['addr'];
-			if(! strlen($addr))
-				break;
-
-			if($cmd === 'wall-new' || $cmd === 'comment-new') {
+			case NETWORK_MAIL :
+			case NETWORK_MAIL2:
 
-				$it = null;
-				if($cmd === 'wall-new') 
-					$it = $items[0];
-				else {
-					$r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1", 
-						intval($argv[2]),
-						intval($uid)
-					);
-					if(count($r))
-						$it = $r[0];
-				}
-				if(! $it)
+				if(get_config('system','dfrn_only'))
 					break;
-					
+				// WARNING: does not currently convert to RFC2047 header encodings, etc.
 
-				$local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
-					intval($uid)
-				);
-				if(! count($local_user))
+				$addr = $contact['addr'];
+				if(! strlen($addr))
 					break;
+
+				if($cmd === 'wall-new' || $cmd === 'comment-new') {
+
+					$it = null;
+					if($cmd === 'wall-new') 
+						$it = $items[0];
+					else {
+						$r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1", 
+							intval($argv[2]),
+							intval($uid)
+						);
+						if(count($r))
+							$it = $r[0];
+					}
+					if(! $it)
+						break;
 					
-				$reply_to = '';
-				$r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
-					intval($uid)
-				);
-				if($r1 && $r1[0]['reply_to'])
-					$reply_to = $r1[0]['reply_to'];
 
-				$subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
+					$local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
+						intval($uid)
+					);
+					if(! count($local_user))
+						break;
+					
+					$reply_to = '';
+					$r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
+						intval($uid)
+					);
+					if($r1 && $r1[0]['reply_to'])
+						$reply_to = $r1[0]['reply_to'];
 
-				// only expose our real email address to true friends
+					$subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 
-				if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
-					$headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
-				else
-					$headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
+					// only expose our real email address to true friends
 
-				if($reply_to)
-					$headers .= 'Reply-to: ' . $reply_to . "\n";
+					if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
+						$headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
+					else
+						$headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 
-				// for testing purposes: Collect exported mails
-				// $file = tempnam("/tmp/friendica/", "mail-out-");
-				// file_put_contents($file, json_encode($it));
+					if($reply_to)
+						$headers .= 'Reply-to: ' . $reply_to . "\n";
 
-				$headers .= 'Message-Id: <' . iri2msgid($it['uri']). '>' . "\n";
+					// for testing purposes: Collect exported mails
+					// $file = tempnam("/tmp/friendica/", "mail-out-");
+					// file_put_contents($file, json_encode($it));
+	
+					$headers .= 'Message-Id: <' . iri2msgid($it['uri']). '>' . "\n";
 
-				//logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
-				//logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
-				//logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
+					//logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
+					//logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
+					//logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
 
-				if($it['uri'] !== $it['parent-uri']) {
-					$headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
-					if(!strlen($it['title'])) {
-						$r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
-							dbesc($it['parent-uri']));
+					if($it['uri'] !== $it['parent-uri']) {
+						$headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
+						if(!strlen($it['title'])) {
+							$r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
+								dbesc($it['parent-uri']));
 
-						if(count($r) AND ($r[0]['title'] != ''))
-							$subject = $r[0]['title'];
+							if(count($r) AND ($r[0]['title'] != ''))
+								$subject = $r[0]['title'];
+						}
+						if(strncasecmp($subject,'RE:',3))
+							$subject = 'Re: '.$subject;
 					}
-					if(strncasecmp($subject,'RE:',3))
-						$subject = 'Re: '.$subject;
+					email_send($addr, $subject, $headers, $it);
 				}
-				email_send($addr, $subject, $headers, $it);
-			}
-			break;
+				break;
 
-		case NETWORK_DIASPORA :
-			if($public_message)
-				$loc = 'public batch ' . $contact['batch'];
-			else 
-				$loc = $contact['name'];
+			case NETWORK_DIASPORA :
+				if($public_message)
+					$loc = 'public batch ' . $contact['batch'];
+				else 
+					$loc = $contact['name'];
 
-			logger('delivery: diaspora batch deliver: ' . $loc);
+				logger('delivery: diaspora batch deliver: ' . $loc);
 
-			if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
-				break;
+				if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
+					break;
 
-			if((! $contact['pubkey']) && (! $public_message))
-				break;
+				if((! $contact['pubkey']) && (! $public_message))
+					break;
 
-			if($target_item['verb'] === ACTIVITY_DISLIKE) {
-				// unsupported
-				break;
-			}
-			elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
-			logger('delivery: diaspora retract: ' . $loc);
-				// diaspora delete, 
-				diaspora_send_retraction($target_item,$owner,$contact,$public_message);
-				break;
-			}
-			elseif($target_item['parent'] != $target_item['id']) {
+				if($target_item['verb'] === ACTIVITY_DISLIKE) {
+					// unsupported
+					break;
+				}
+				elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
+				logger('delivery: diaspora retract: ' . $loc);
+					// diaspora delete, 
+					diaspora_send_retraction($target_item,$owner,$contact,$public_message);
+					break;
+				}
+				elseif($target_item['parent'] != $target_item['id']) {
 
-			logger('delivery: diaspora relay: ' . $loc);
+				logger('delivery: diaspora relay: ' . $loc);
 
-				// we are the relay - send comments, likes and unlikes to our conversants
-				diaspora_send_relay($target_item,$owner,$contact,$public_message);
-				break;
-			}		
-			elseif(($top_level) && (! $walltowall)) {
-				// currently no workable solution for sending walltowall
-				logger('delivery: diaspora status: ' . $loc);
-				diaspora_send_status($target_item,$owner,$contact,$public_message);
-				break;
-			}
+					// we are the relay - send comments, likes and unlikes to our conversants
+					diaspora_send_relay($target_item,$owner,$contact,$public_message);
+					break;
+				}		
+				elseif(($top_level) && (! $walltowall)) {
+					// currently no workable solution for sending walltowall
+					logger('delivery: diaspora status: ' . $loc);
+					diaspora_send_status($target_item,$owner,$contact,$public_message);
+					break;
+				}
 
-			logger('delivery: diaspora unknown mode: ' . $contact['name']);
+				logger('delivery: diaspora unknown mode: ' . $contact['name']);
 
-			break;
+				break;
 
-		case NETWORK_FEED :
-		case NETWORK_FACEBOOK :
-			if(get_config('system','dfrn_only'))
+			case NETWORK_FEED :
+			case NETWORK_FACEBOOK :
+				if(get_config('system','dfrn_only'))
+					break;
+			default:
 				break;
-		default:
-			break;
+		}
 	}
 
 	return;
diff --git a/include/notifier.php b/include/notifier.php
index ea4a1bea8..8b904dbcd 100644
--- a/include/notifier.php
+++ b/include/notifier.php
@@ -478,6 +478,12 @@ function notifier_run($argv, $argc){
 			}
 		}
 
+		$deliveries_per_process = intval(get_config('system','delivery_batch_count'));
+		if($deliveries_per_process <= 0)
+			$deliveries_per_process = 1;
+
+		$this_batch = array();
+
 		foreach($r as $contact) {
 			if($contact['self'])
 				continue;
@@ -486,6 +492,7 @@ function notifier_run($argv, $argc){
 			// we will deliver single recipient types of message and email receipients here. 
 
 			if((! $mail) && (! $fsuggest) && (! $followup)) {
+				// deliveries per process not yet implemented, 1 delivery per process.
 				proc_run('php','include/delivery.php',$cmd,$item_id,$contact['id']);
 				if($interval)
 					@time_sleep_until(microtime(true) + (float) $interval);
diff --git a/mod/search.php b/mod/search.php
index d467764b0..635c87b70 100644
--- a/mod/search.php
+++ b/mod/search.php
@@ -96,6 +96,12 @@ function search_content(&$a) {
 
 	$o .= search($search,'search-box','/search',((local_user()) ? true : false));
 
+
+	if(strpos($search,'#') === 0) {
+		$tag = true;
+		$search = substr($search,1);
+	}
+
 	if(! $search)
 		return $o;