]> git.wh0rd.org - tt-rss.git/blobdiff - update_daemon2.php
allow connections to pgsql without password
[tt-rss.git] / update_daemon2.php
old mode 100644 (file)
new mode 100755 (executable)
index 326b69e..431f0b6
@@ -8,12 +8,8 @@
 
        declare(ticks = 1);
 
-       define('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-daemon');
-       define('SIMPLEPIE_CACHE_DIR',   '/var/tmp/simplepie-ttrss-cache-daemon');
        define('DISABLE_SESSIONS', true);
 
-       define('MAX_JOBS', 2);
-
        require_once "version.php";
 
        if (strpos(VERSION, ".99") !== false || getenv('DAEMON_XDEBUG')) {
        require_once "sanity_check.php";
        require_once "config.php";
 
+       define('MAX_JOBS', 2);
+
        define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL);
 
+       if (!function_exists('pcntl_fork')) {
+               die("error: This script requires PHP compiled with PCNTL module.\n");
+       }
+
        if (!ENABLE_UPDATE_DAEMON) {
-               die("Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
+               die("error: Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
        }
        
        require_once "db.php";
        require_once "db-prefs.php";
        require_once "functions.php";
-       require_once "magpierss/rss_fetch.inc";
+       require_once "lib/magpierss/rss_fetch.inc";
 
        error_reporting(DEFAULT_ERROR_LEVEL);
 
@@ -61,7 +63,7 @@
        }
 
        function sigalrm_handler() {
-               die("received SIGALRM, hang in feed update?\n");
+               die("[SIGALRM] hang in feed update?\n");
        }
 
        function sigchld_handler($signal) {
 
        function sigint_handler() {
                unlink(LOCK_DIRECTORY . "/update_daemon.lock");
-               die("Received SIGINT. Exiting.\n");
+               die("[SIGINT] removing lockfile and exiting.\n");
        }
 
        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. ".
-                       "Maybe another daemon is already running.\n");
-       }
 
        if (file_is_locked("update_daemon.lock")) {
                die("error: Can't create lockfile. ".
@@ -92,6 +88,9 @@
        }
 
        if (!pcntl_fork()) {
+               pcntl_signal(SIGINT, 'sigint_handler');
+
+               // Try to lock a file in order to avoid concurrent update.
                $lock_handle = make_lockfile("update_daemon.lock");
 
                if (!$lock_handle) {
 
        db_close($link);
 
-
        while (true) {
 
+               // Since sleep is interupted by SIGCHLD, we need another way to
+               // respect the SPAWN_INTERVAL
                $next_spawn = $last_checkpoint + SPAWN_INTERVAL - time();
 
                if ($next_spawn % 10 == 0) {
                                                return;
                                        }
 
-                                       if (DB_TYPE == "pgsql") {
-                                               pg_query("set client_encoding = 'utf-8'");
-                                               pg_set_client_encoding("UNICODE");
-                                       } else {
-                                               if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
-                                                       db_query($link, "SET NAMES " . MYSQL_CHARSET);
-                                                       // db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
-                                               }
-                                       }
+                                       init_connection($link);
 
                                        // We disable stamp file, since it is of no use in a multiprocess update.
                                        // not really, tho for the time being -fox
                                                print "warning: unable to create stampfile";
                                        }       
 
-                                       // $last_purge = 0;
-
-                                       // if (time() - $last_purge > PURGE_INTERVAL) {
-
                                        // FIXME : $last_purge is of no use in a multiprocess update.
                                        // FIXME : We ALWAYS purge old posts.
-                                       _debug("Purging old posts (random 30 feeds)...");
-                                       global_purge_old_posts($link, true, 30);
-
-                                       //      $last_purge = time();
-                                       // }
-
-                                       // Process all other feeds using last_updated and interval parameters
-
-                                       $random_qpart = sql_random_function();
-                                               
-                                       if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
-                                               if (DB_TYPE == "pgsql") {
-                                                       $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
-                                               } else {
-                                                       $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
-                                               }                       
-                                       } else {
-                                               $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") {
-                                                       $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 
-                                               FROM 
-                                                       ttrss_feeds,ttrss_users 
-                                               WHERE 
-                                                       ttrss_users.id = owner_uid $login_thresh_qpart $update_limit_qpart 
-                                                       $updstart_thresh_qpart
-                                               ORDER BY $random_qpart DESC LIMIT " . DAEMON_FEED_LIMIT);
-
-                                       $user_prefs_cache = array();
-
-                                       _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
-
-                                       // Here is a little cache magic in order to minimize risk of double feed updates.
-                                       $feeds_to_update = array();
-                                       while ($line = db_fetch_assoc($result)) {
-                                               $feeds_to_update[$line['id']] = $line;
-                                       }
-
-                                       // We update the feed last update started date before anything else.
-                                       // There is no lag due to feed contents downloads
-                                       // It prevent an other process to update the same feed.
-                                       $feed_ids = array_keys($feeds_to_update);
-                                       if($feed_ids) {
-                                               db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
-                                                       WHERE id IN (%s)", implode(',', $feed_ids)));
-                                       }
-
-                                       while ($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 ($upd_intl < 0) { 
-                               #                               print "Updates disabled.\n";
-                                                       continue; 
-                                               }
+                                       //_debug("Purging old posts (random 30 feeds)...");
+                                       //global_purge_old_posts($link, true, 30);
 
-                                               _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
+                                       // Call to the feed batch update function 
+                                       // or regenerate feedbrowser cache
 
-                               //                      _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);
-
-                                                       update_rss_feed($link, $line["feed_url"], $line["id"], true);   
-
-                                                       pcntl_alarm(0);
-
-                                                       sleep(1); // prevent flood (FIXME make this an option?)
-                                               } else {
-                                                       _debug("Update not needed.");
-                                               }
+                                       if (rand(0,100) > 50) {
+                                               update_daemon_common($link);
+                                       } else {
+                                               $count = update_feedbrowser_cache($link);
+                                               _debug("Finished, $count feeds processed.");
                                        }
 
-                                       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);
 
                                        // We are in a fork.
                                        // 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();
                }