]> git.wh0rd.org - tt-rss.git/blobdiff - update_daemon2.php
support disabling of e-mail digests entirely
[tt-rss.git] / update_daemon2.php
old mode 100755 (executable)
new mode 100644 (file)
index c6e215a..007d628
@@ -9,28 +9,34 @@
        define('DISABLE_SESSIONS', true);
 
        require_once "version.php";
+       require_once "autoload.php";
+       require_once "functions.php";
+       require_once "config.php";
 
-       if (strpos(VERSION, ".99") !== false || getenv('DAEMON_XDEBUG')) {
-               define('DAEMON_EXTENDED_DEBUG', true);
-       }
+       // defaults
+       define_default('PURGE_INTERVAL', 3600); // seconds
+       define_default('MAX_CHILD_RUNTIME', 1800); // seconds
+       define_default('MAX_JOBS', 2);
+       define_default('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL); // seconds
 
-       require_once "functions.php";
-       require_once "rssfuncs.php";
        require_once "sanity_check.php";
-       require_once "config.php";
        require_once "db.php";
        require_once "db-prefs.php";
 
-       // defaults
-       define('PURGE_INTERVAL', 3600); // seconds
-       define('MAX_CHILD_RUNTIME', 600); // seconds
-       define('MAX_JOBS', 2);
-       define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL); // seconds
-
        if (!function_exists('pcntl_fork')) {
                die("error: This script requires PHP compiled with PCNTL module.\n");
        }
 
+       $options = getopt("");
+
+       if (!is_array($options)) {
+               die("error: getopt() failed. ".
+                       "Most probably you are using PHP CGI to run this script ".
+                       "instead of required PHP CLI. Check tt-rss wiki page on updating feeds for ".
+                       "additional information.\n");
+       }
+
+
        $master_handlers_installed = false;
 
        $children = array();
@@ -38,6 +44,9 @@
 
        $last_checkpoint = -1;
 
+       /**
+        * @SuppressWarnings(unused)
+        */
        function reap_children() {
                global $children;
                global $ctimes;
                                if (file_is_locked("update_daemon-$pid.lock")) {
                                        array_push($tmp, $pid);
                                } else {
-                                       _debug("[reap_children] child $pid seems active but lockfile is unlocked.");
+                                       Debug::log("[reap_children] child $pid seems active but lockfile is unlocked.");
                                        unset($ctimes[$pid]);
 
                                }
                        } else {
-                               _debug("[reap_children] child $pid reaped.");
+                               Debug::log("[reap_children] child $pid reaped.");
                                unset($ctimes[$pid]);
                        }
                }
                        $started = $ctimes[$pid];
 
                        if (time() - $started > MAX_CHILD_RUNTIME) {
-                               _debug("[MASTER] child process $pid seems to be stuck, aborting...");
+                               Debug::log("[MASTER] child process $pid seems to be stuck, aborting...");
                                posix_kill($pid, SIGKILL);
                        }
                }
        }
 
+       /**
+       * @SuppressWarnings(unused)
+       */
        function sigchld_handler($signal) {
                $running_jobs = reap_children();
 
-               _debug("[SIGCHLD] jobs left: $running_jobs");
+               Debug::log("[SIGCHLD] jobs left: $running_jobs");
 
                pcntl_waitpid(-1, $status, WNOHANG);
        }
        function shutdown($caller_pid) {
                if ($caller_pid == posix_getpid()) {
                        if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
-                               _debug("removing lockfile (master)...");
+                               Debug::log("removing lockfile (master)...");
                                unlink(LOCK_DIRECTORY . "/update_daemon.lock");
                        }
                }
                $pid = posix_getpid();
 
                if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock")) {
-                       _debug("removing lockfile ($pid)...");
+                       Debug::log("removing lockfile ($pid)...");
                        unlink(LOCK_DIRECTORY . "/update_daemon-$pid.lock");
                }
        }
 
        function sigint_handler() {
-               _debug("[MASTER] SIG_INT received.\n");
+               Debug::log("[MASTER] SIG_INT received.\n");
                shutdown(posix_getpid());
                die;
        }
 
        function task_sigint_handler() {
-               _debug("[TASK] SIG_INT received.\n");
+               Debug::log("[TASK] SIG_INT received.\n");
                task_shutdown();
                die;
        }
        pcntl_signal(SIGCHLD, 'sigchld_handler');
 
        $longopts = array("log:",
+                       "log-level:",
                        "tasks:",
                        "interval:",
                        "quiet",
                print "Tiny Tiny RSS update daemon.\n\n";
                print "Options:\n";
                print "  --log FILE           - log messages to FILE\n";
+        print "  --log-level N        - log verbosity level\n";
                print "  --tasks N            - amount of update tasks to spawn\n";
                print "                         default: " . MAX_JOBS . "\n";
                print "  --interval N         - task spawn interval\n";
                return;
        }
 
-       define('QUIET', isset($options['quiet']));
+    Debug::set_enabled(true);
+    Debug::set_quiet(isset($options['quiet']));
+
+    if (isset($options["log-level"])) {
+        Debug::set_loglevel((int)$options["log-level"]);
+    }
+
+    if (isset($options["log"])) {
+        Debug::set_logfile($options["log"]);
+        Debug::log("Logging to " . $options["log"]);
+    }
 
        if (isset($options["tasks"])) {
-               _debug("Set to spawn " . $options["tasks"] . " children.");
+               Debug::log("Set to spawn " . $options["tasks"] . " children.");
                $max_jobs = $options["tasks"];
        } else {
                $max_jobs = MAX_JOBS;
        }
 
        if (isset($options["interval"])) {
-               _debug("Spawn interval: " . $options["interval"] . " seconds.");
+               Debug::log("Spawn interval: " . $options["interval"] . " seconds.");
                $spawn_interval = $options["interval"];
        } else {
                $spawn_interval = SPAWN_INTERVAL;
        }
 
-       if (isset($options["log"])) {
-               _debug("Logging to " . $options["log"]);
-               define('LOGFILE', $options["log"]);
-       }
+       // let's enforce a minimum spawn interval as to not forkbomb the host
+       $spawn_interval = max(60, $spawn_interval);
+       Debug::log("Spawn interval: $spawn_interval sec");
 
        if (file_is_locked("update_daemon.lock")) {
                die("error: Can't create lockfile. ".
                        "Maybe another daemon is already running.\n");
        }
 
-       // Testing database connection.
-       // It is unnecessary to start the fork loop if database is not ok.
-       $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
+       $schema_version = get_schema_version();
 
-       if (!init_connection($link)) die("Can't initialize db connection.\n");
-
-       $schema_version = get_schema_version($link);
+       if ($schema_version != SCHEMA_VERSION) {
+               die("Schema version is wrong, please upgrade the database.\n");
+       }
 
-       db_close($link);
+       // Protip: children close shared database handle when terminating, it's a bad idea to
+       // do database stuff on main process from now on.
 
        while (true) {
 
 
                if ($next_spawn % 60 == 0) {
                        $running_jobs = count($children);
-                       _debug("[MASTER] active jobs: $running_jobs, next spawn at $next_spawn sec.");
+                       Debug::log("[MASTER] active jobs: $running_jobs, next spawn at $next_spawn sec.");
                }
 
                if ($last_checkpoint + $spawn_interval < time()) {
-
-                       /* Check if schema version changed */
-
-                       $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
-                       if (!init_connection($link)) die("Can't initialize db connection.\n");
-                       $test_schema_version = get_schema_version($link);
-                       db_close($link);
-
-                       if ($test_schema_version != $schema_version) {
-                               echo "Expected schema version: $schema_version, got: $test_schema_version\n";
-                               echo "Schema version changed while we were running, bailing out\n";
-                               exit(100);
-                       }
-
                        check_ctimes();
                        reap_children();
 
                                } else if ($pid) {
 
                                        if (!$master_handlers_installed) {
-                                               _debug("[MASTER] installing shutdown handlers");
+                                               Debug::log("[MASTER] installing shutdown handlers");
                                                pcntl_signal(SIGINT, 'sigint_handler');
+                                               pcntl_signal(SIGTERM, 'sigint_handler');
                                                register_shutdown_function('shutdown', posix_getpid());
                                                $master_handlers_installed = true;
                                        }
 
-                                       _debug("[MASTER] spawned client $j [PID:$pid]...");
+                                       Debug::log("[MASTER] spawned client $j [PID:$pid]...");
                                        array_push($children, $pid);
                                        $ctimes[$pid] = time();
                                } else {
 
                                        register_shutdown_function('task_shutdown');
 
-                                       $my_pid = posix_getpid();
-                                       $lock_filename = "update_daemon-$my_pid.lock";
-
-                                       $lock_handle = make_lockfile($lock_filename);
-
-                                       if (!$lock_handle) {
-                                               die("error: Can't create lockfile ($lock_filename). ".
-                                               "Maybe another daemon is already running.\n");
-                                       }
-
-                                       // ****** Updating RSS code *******
-                                       // Only run in fork process.
-
-                                       $start_timestamp = time();
-
-                                       $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
-
-                                       if (!init_connection($link)) return;
-
-                                       // We disable stamp file, since it is of no use in a multiprocess update.
-                                       // not really, tho for the time being -fox
-                                       if (!make_stampfile('update_daemon.stamp')) {
-                                               _debug("warning: unable to create stampfile\n");
-                                       }
-
-                                       // Call to the feed batch update function
-                                       // and maybe regenerate feedbrowser cache
-
-                                       $nf = 0;
-
-                                       _debug("Waiting before update [$j]..");
-                                       sleep($j*5);
-                                       $nf = update_daemon_common($link);
+                                       $quiet = (isset($options["quiet"])) ? "--quiet" : "";
+                                       $log = function_exists("flock") && isset($options['log']) ? '--log '.$options['log'] : '';
 
-                                       if (rand(0,100) > 50) {
-                                               $count = update_feedbrowser_cache($link);
-                                               _debug("Feedbrowser updated, $count feeds processed.");
-
-                                               purge_orphans($link, true);
-
-                                               $rc = cleanup_tags($link, 14, 50000);
-
-                                               _debug("Cleaned $rc cached tags.");
-
-                                               global $pluginhost;
-                                               $pluginhost->run_hooks($pluginhost::HOOK_UPDATE_TASK, "hook_update_task", $op);
-                                       }
-
-                                       _debug("Elapsed time: " . (time() - $start_timestamp) . " second(s)");
-
-                                       if ($nf > 0) {
-                                               _debug("Feeds processed: $nf");
-
-                                               if (time() - $start_timestamp > 0) {
-                                                       _debug("Feeds/minute: " . sprintf("%.2d", $nf/((time()-$start_timestamp)/60)));
-                                               }
-                                       }
+                                       $my_pid = posix_getpid();
 
-                                       db_close($link);
+                                       passthru(PHP_EXECUTABLE . " update.php --daemon-loop $quiet $log --task $j --pidlock $my_pid");
 
-                                       // We are in a fork.
-                                       // We wait a little before exiting to avoid to be faster than our parent process.
                                        sleep(1);
 
-                                       unlink(LOCK_DIRECTORY . "/$lock_filename");
-
                                        // We exit in order to avoid fork bombing.
                                        exit(0);
                                }