daemons: only select feeds which require update (patch from landure)

1 files changed, 46 insertions, 48 deletions

diff --git a/update_daemon2.php b/update_daemon2.php
index 326b69e49..4d2eed5d9 100644
--- a/update_daemon2.php
+++ b/update_daemon2.php
@@ -79,7 +79,6 @@
 
 	pcntl_signal(SIGALRM, 'sigalrm_handler');
 	pcntl_signal(SIGCHLD, 'sigchld_handler');
-	pcntl_signal(SIGINT, 'sigint_handler');
 
 	if (file_is_locked("update_daemon.lock")) {
 		die("error: Can't create lockfile. ".
@@ -92,6 +91,8 @@
 	}
 
 	if (!pcntl_fork()) {
+		pcntl_signal(SIGINT, 'sigint_handler');
+
 		$lock_handle = make_lockfile("update_daemon.lock");
 
 		if (!$lock_handle) {
@@ -198,26 +199,49 @@
 						$login_thresh_qpart = "";
 					}
 
+					//if (DB_TYPE == "pgsql") {
+					//	$update_limit_qpart = "AND ttrss_feeds.last_updated < NOW() - INTERVAL '".(DAEMON_SLEEP_INTERVAL*2)." seconds'";
+					//} else {
+					//	$update_limit_qpart = "AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ".(DAEMON_SLEEP_INTERVAL*2)." SECOND)";
+					//}
+
 					if (DB_TYPE == "pgsql") {
 						$update_limit_qpart = "AND ttrss_feeds.last_updated < NOW() - INTERVAL '".(DAEMON_SLEEP_INTERVAL*2)." seconds'";
+						$update_limit_qpart = "AND ((
+								ttrss_feeds.update_interval = 0
+								AND ttrss_feeds.last_updated < NOW() - INTERVAL ttrss_user_prefs.value || ' minutes'
+							) OR (
+								ttrss_feeds.update_interval > 0
+								AND ttrss_feeds.last_updated < NOW() - INTERVAL ttrss_feeds.update_interval || ' minutes'
+							))";
 					} else {
-						$update_limit_qpart = "AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ".(DAEMON_SLEEP_INTERVAL*2)." SECOND)";
+						$update_limit_qpart = "AND ((
+								ttrss_feeds.update_interval = 0
+								AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
+							) OR (
+								ttrss_feeds.update_interval > 0
+								AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
+							))";
 					}
 
+
 					if (DB_TYPE == "pgsql") {
-							$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
-						} else {
-							$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
-						}			
+						$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
+					} else {
+						$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
+					}
 
-					$result = db_query($link, "SELECT feed_url,ttrss_feeds.id,owner_uid,
-							SUBSTRING(last_updated,1,19) AS last_updated,
-							update_interval 
+					$result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
+							SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated,
+							ttrss_feeds.update_interval 
 						FROM 
-							ttrss_feeds,ttrss_users 
-						WHERE 
-							ttrss_users.id = owner_uid $login_thresh_qpart $update_limit_qpart 
-							$updstart_thresh_qpart
+							ttrss_feeds, ttrss_users, ttrss_user_prefs
+						WHERE
+							ttrss_feeds.owner_uid = ttrss_users.id
+							AND ttrss_users.id = ttrss_user_prefs.owner_uid
+							AND ttrss_user_prefs.pref_name='DEFAULT_UPDATE_INTERVAL'
+							$login_thresh_qpart $update_limit_qpart
+							 $updstart_thresh_qpart
 						ORDER BY $random_qpart DESC LIMIT " . DAEMON_FEED_LIMIT);
 
 					$user_prefs_cache = array();
@@ -241,48 +265,18 @@
 
 					while ($line = array_pop($feeds_to_update)) {
 
-						$upd_intl = $line["update_interval"];
-						$user_id = $line["owner_uid"];
-
-						if (!$upd_intl || $upd_intl == 0) {
-							if (!$user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL']) {			
-								$upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
-								$user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL'] = $upd_intl;
-							} else {
-								$upd_intl = $user_prefs_cache[$user_id]['DEFAULT_UPDATE_INTERVAL'];
-							}
-						}
-
-						if ($upd_intl < 0) { 
-				#				print "Updates disabled.\n";
-							continue; 
-						}
-
 						_debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
 
-				//			_debug(sprintf("\tLU: %d, INTL: %d, UID: %d) ", 
-				//				time() - strtotime($line["last_updated"]), $upd_intl*60, $user_id));
-
-						if (!$line["last_updated"] || 
-							time() - strtotime($line["last_updated"]) > ($upd_intl * 60)) {
-
-							_debug("Updating...");
-
-							pcntl_alarm(300);
+						pcntl_alarm(300);
+						update_rss_feed($link, $line["feed_url"], $line["id"], true);	
+						pcntl_alarm(0);
 
-							update_rss_feed($link, $line["feed_url"], $line["id"], true);	
-
-							pcntl_alarm(0);
-
-							sleep(1); // prevent flood (FIXME make this an option?)
-						} else {
-							_debug("Update not needed.");
-						}
+						sleep(1); // prevent flood (FIXME make this an option?)
 					}
 
 					if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
 
-					print "Elapsed time: " . (time() - $start_timestamp) . " second(s)\n";
+					_debug("Elapsed time: " . (time() - $start_timestamp) . " second(s)");
 
 					db_close($link);
 
@@ -292,6 +286,10 @@
 					// We exit in order to avoid fork bombing.
 					exit(0);
 				}
+
+				// We wait a little time before the next fork, in order to let the first fork
+				// mark the feeds it update :
+				sleep(1);
 			}
 			$last_checkpoint = time();
 		}