From 6eb5a2566f5f29a4c129111e1cc86d85d641a3ad Mon Sep 17 00:00:00 2001 From: Zach Copley Date: Fri, 24 Apr 2009 14:27:31 -0700 Subject: [PATCH] Some clean up -- this still doesn't work, yet. The processes all lose their database connections, including the parent process. --- scripts/statusfetcher.php | 324 +++++++++++++++++++++++--------------- 1 file changed, 198 insertions(+), 126 deletions(-) diff --git a/scripts/statusfetcher.php b/scripts/statusfetcher.php index d303a098c0..8f4b60cf74 100644 --- a/scripts/statusfetcher.php +++ b/scripts/statusfetcher.php @@ -32,38 +32,117 @@ define('SCRIPT_DEBUG', true); require_once(INSTALLDIR . '/lib/common.php'); -$flink = new Foreign_link(); -$flink->service = 1; // Twitter -$cnt = $flink->find(); +$children = array(); +$flink_ids = null; -print "Updating Twitter friends subscriptions for $cnt users.\n"; +$MAXCHILDREN = 5; +$POLL_INTERVAL = 10; // 10 seconds +do { -while ($flink->fetch()) { + $flink = new Foreign_link(); + $flink->service = 1; // Twitter + $cnt = $flink->find(); - if (($flink->noticesync & FOREIGN_NOTICE_RECV) == FOREIGN_NOTICE_RECV) { + if (defined('SCRIPT_DEBUG')) { + print "Updating Twitter friends subscriptions for $cnt users.\n"; + } - $user = User::staticGet($flink->user_id); + $flink_ids = array(); - if (empty($user)) { - common_log(LOG_WARNING, "Unmatched user for ID " . $flink->user_id); - print "Unmatched user for ID $flink->user_id\n"; - continue; + // XXX: This only reliably happens once. After the first interation of + // the do loop, the ->find() doesn't work ... lost DB connection? + + while ($flink->fetch()) { + + if (($flink->noticesync & FOREIGN_NOTICE_RECV) == FOREIGN_NOTICE_RECV) { + $flink_ids[] = $flink->foreign_id; + } + } + + $flink->free(); + unset($flink); + + foreach ($flink_ids as $f){ + + $pid = pcntl_fork(); + + if ($pid == -1) { + die ("Couldn't fork!"); } - - print 'Retrieving Friends Timeline for ' . $flink->user_id . "\n"; - - getTimeline($flink); - + + // Parent + if ($pid) { + if (defined('SCRIPT_DEBUG')) { + print "Parent: forked " . $pid . "\n"; + } + $children[] = $pid; + } else { + + // Child + + // XXX: Each child needs its own DB connection + + getTimeline($f); + exit(); + } + + // Remove child from ps list as it finishes + while(($c = pcntl_wait($status, WNOHANG OR WUNTRACED)) > 0) { + if (defined('SCRIPT_DEBUG')) { + print "Child $c finished.\n"; + } + remove_ps($children, $c); + } + + // Wait if we have too many kids + if(sizeof($children) > $MAXCHILDREN) { + if (defined('SCRIPT_DEBUG')) { + print "Too many children. Waiting...\n"; + } + if( ($c = pcntl_wait($status, WUNTRACED) ) > 0){ + if (defined('SCRIPT_DEBUG')) { + print "Finished waiting for $c\n"; + } + remove_ps($children, $c); + } + } + } + + // Remove all children from the process list before restarting + while(($c = pcntl_wait($status, WUNTRACED)) > 0) { if (defined('SCRIPT_DEBUG')) { - print "\nDONE\n"; + print "Child $c finished.\n"; + } + remove_ps($children, $c); + } + + // Rest for a bit before we fetch more statuses + if (defined('SCRIPT_DEBUG')) { + print "Waiting $POLL_INTERVAL secs before hitting Twitter again.\n"; + } + + sleep($POLL_INTERVAL); + +} while (true); + + +function remove_ps(&$plist, $ps){ + for($i = 0; $i < sizeof($plist); $i++){ + if($plist[$i] == $ps){ + unset($plist[$i]); + $plist = array_values($plist); + break; } } } -function getTimeline($flink) +function getTimeline($fid) { + // XXX: Need to reconnect to the DB here? + + $flink = Foreign_link::getByForeignID($fid, 1); $fuser = $flink->getForeignUser(); if (empty($fuser)) { @@ -71,7 +150,6 @@ function getTimeline($flink) if (defined('SCRIPT_DEBUG')) { print "Unmatched user for ID $flink->user_id\n"; } - continue; } $screenname = $fuser->nickname; @@ -82,26 +160,34 @@ function getTimeline($flink) $flink->credentials); $timeline = json_decode($timeline_json); - + + if (empty($timeline)) { + common_log(LOG_WARNING, "Empty timeline."); + if (defined('SCRIPT_DEBUG')) { + print "Empty timeline!\n"; + } + return; + } + foreach ($timeline as $status) { - + // Hacktastic: filter out stuff coming from Laconica $source = mb_strtolower(common_config('integration', 'source')); - + if (preg_match("/$source/", mb_strtolower($status->source))) { continue; } - + saveStatus($status, $flink); } - + } function saveStatus($status, $flink) { - // Do we have a profile for this Twitter user? - - $id = ensureProfile($status->user); + // Do we have a profile for this Twitter user? + + $id = ensureProfile($status->user); $profile = Profile::staticGet($id); if (!$profile) { @@ -112,34 +198,33 @@ function saveStatus($status, $flink) return null; } - $uri = 'http://twitter.com/' . $status->user->screen_name . + $uri = 'http://twitter.com/' . $status->user->screen_name . '/status/' . $status->id; - - // Skip save if notice source is Laconica or Identi.ca? - - $notice = Notice::staticGet('uri', $uri); - + + // Skip save if notice source is Laconica or Identi.ca? + + $notice = Notice::staticGet('uri', $uri); + // check to see if we've already imported the status if (!$notice) { - - $notice = new Notice(); + $notice = new Notice(); $notice->profile_id = $id; - $notice->query('BEGIN'); + $notice->query('BEGIN'); // XXX: figure out reply_to - $notice->reply_to = null; - - // XXX: Should this be common_sql_now() instead of status create date? - - $notice->created = strftime('%Y-%m-%d %H:%M:%S', - strtotime($status->created_at)); - $notice->content = $status->text; - $notice->rendered = common_render_content($status->text, $notice); - $notice->source = 'twitter'; - $notice->is_local = 0; - $notice->uri = $uri; + $notice->reply_to = null; + + // XXX: Should this be common_sql_now() instead of status create date? + + $notice->created = strftime('%Y-%m-%d %H:%M:%S', + strtotime($status->created_at)); + $notice->content = $status->text; + $notice->rendered = common_render_content($status->text, $notice); + $notice->source = 'twitter'; + $notice->is_local = 0; + $notice->uri = $uri; $notice_id = $notice->insert(); @@ -150,59 +235,54 @@ function saveStatus($status, $flink) } } - # XXX: do we need to change this for remote users? - + // XXX: Figure out a better way to link replies? $notice->saveReplies(); - + // XXX: Do we want to polute our tag cloud with hashtags from Twitter? $notice->saveTags(); - $notice->saveGroups(); - + $notice->saveGroups(); + $notice->query('COMMIT'); - + } if (!Notice_inbox::staticGet('notice_id', $notice->id)) { - + // Add to inbox $inbox = new Notice_inbox(); $inbox->user_id = $flink->user_id; $inbox->notice_id = $notice->id; $inbox->created = common_sql_now(); - - $inbox->insert(); - } + $inbox->insert(); + } } -function ensureProfile($user) +function ensureProfile($user) { - + // check to see if there's already a profile for this user $profileurl = 'http://twitter.com/' . $user->screen_name; - $profile = Profile::staticGet('profileurl', $profileurl); - + if ($profile) { - common_debug("Profile for $profile->nickname found."); - + // Check to see if the user's Avatar has changed checkAvatar($user, $profile); return $profile->id; - + } else { - $debugmsg = 'Adding profile and remote profile ' . "for Twitter user: $profileurl\n"; common_debug($debugmsg, __FILE__); if (defined('SCRIPT_DEBUG')) { print $debugmsg; } - + $profile = new Profile(); $profile->query("BEGIN"); - + $profile->nickname = $user->screen_name; $profile->fullname = $user->name; $profile->homepage = $user->url; @@ -216,37 +296,37 @@ function ensureProfile($user) if (empty($id)) { common_log_db_error($profile, 'INSERT', __FILE__); if (defined('SCRIPT_DEBUG')) { - print 'Could not insert Profile: ' . + print 'Could not insert Profile: ' . common_log_objstring($profile) . "\n"; } $profile->query("ROLLBACK"); return false; - } - - // check for remote profile + } + + // check for remote profile $remote_pro = Remote_profile::staticGet('uri', $profileurl); - + if (!$remote_pro) { - + $remote_pro = new Remote_profile(); $remote_pro->id = $id; $remote_pro->uri = $profileurl; $remote_pro->created = common_sql_now(); - + $rid = $remote_pro->insert(); - - if (empty($rid)) { + + if (empty($rid)) { common_log_db_error($profile, 'INSERT', __FILE__); if (defined('SCRIPT_DEBUG')) { - print 'Could not insert Remote_profile: ' . + print 'Could not insert Remote_profile: ' . common_log_objstring($remote_pro) . "\n"; } $profile->query("ROLLBACK"); return false; - } + } } - + $profile->query("COMMIT"); $profile->free(); unset($profile); @@ -258,24 +338,22 @@ function ensureProfile($user) } function checkAvatar($user, $profile) -{ - common_debug("in check avatar"); - +{ $path_parts = pathinfo($user->profile_image_url); - $newname = 'Twitter_' . $user->id . '_' . + $newname = 'Twitter_' . $user->id . '_' . $path_parts['basename']; - + $oldname = $profile->getAvatar(48)->filename; if ($newname != $oldname) { - + common_debug("Avatar for Twitter user $profile->nickname has changed."); common_debug("old: $oldname new: $newname"); - + if (defined('SCRIPT_DEBUG')) { print "Avatar for Twitter user $user->id has changed.\n"; print "old: $oldname\n"; - print "new: $newname\n"; + print "new: $newname\n"; } $img_root = substr($path_parts['basename'], 0, -11); @@ -283,23 +361,22 @@ function checkAvatar($user, $profile) $mediatype = getMediatype($ext); foreach (array('mini', 'normal', 'bigger') as $size) { - $url = $path_parts['dirname'] . '/' . + $url = $path_parts['dirname'] . '/' . $img_root . '_' . $size . ".$ext"; - $filename = 'Twitter_' . $user->id . '_' . + $filename = 'Twitter_' . $user->id . '_' . $img_root . "_$size.$ext"; if (fetchAvatar($url, $filename)) { - updateAvatar($profile->id, $size, $mediatype, $filename); + updateAvatar($profile->id, $size, $mediatype, $filename); } } } - } -function getMediatype($ext) +function getMediatype($ext) { $mediatype = null; - + switch (strtolower($ext)) { case 'jpg': $mediatype = 'image/jpg'; @@ -310,26 +387,22 @@ function getMediatype($ext) default: $mediatype = 'image/png'; } - + return $mediatype; } - -function saveAvatars($user, $id) +function saveAvatars($user, $id) { $path_parts = pathinfo($user->profile_image_url); - - // basename minus '_normal.ext' - $ext = $path_parts['extension']; $end = strlen('_normal' . $ext); $img_root = substr($path_parts['basename'], 0, -($end+1)); $mediatype = getMediatype($ext); - + foreach (array('mini', 'normal', 'bigger') as $size) { - $url = $path_parts['dirname'] . '/' . + $url = $path_parts['dirname'] . '/' . $img_root . '_' . $size . ".$ext"; - $filename = 'Twitter_' . $user->id . '_' . + $filename = 'Twitter_' . $user->id . '_' . $img_root . "_$size.$ext"; if (fetchAvatar($url, $filename)) { @@ -348,7 +421,7 @@ function updateAvatar($profile_id, $size, $mediatype, $filename) { common_debug("updating avatar: $size"); $profile = Profile::staticGet($profile_id); - + if (!$profile) { common_debug("Couldn't get profile: $profile_id!"); if (defined('SCRIPT_DEBUG')) { @@ -356,17 +429,17 @@ function updateAvatar($profile_id, $size, $mediatype, $filename) { } return; } - + $sizes = array('mini' => 24, 'normal' => 48, 'bigger' => 73); $avatar = $profile->getAvatar($sizes[$size]); - + if ($avatar) { common_debug("Deleting $size avatar for $profile->nickname."); @unlink(INSTALLDIR . '/avatar/' . $avatar->filename); $avatar->delete(); } - - newAvatar($profile->id, $size, $mediatype, $filename); + + newAvatar($profile->id, $size, $mediatype, $filename); } function newAvatar($profile_id, $size, $mediatype, $filename) @@ -376,19 +449,19 @@ function newAvatar($profile_id, $size, $mediatype, $filename) switch($size) { case 'mini': - $avatar->width = 24; + $avatar->width = 24; $avatar->height = 24; break; case 'normal': - $avatar->width = 48; + $avatar->width = 48; $avatar->height = 48; break; default: - - // Note: Twitter's big avatars are a different size than + + // Note: Twitter's big avatars are a different size than // Laconica's (Laconica's = 96) - - $avatar->width = 73; + + $avatar->width = 73; $avatar->height = 73; } @@ -396,33 +469,33 @@ function newAvatar($profile_id, $size, $mediatype, $filename) $avatar->mediatype = $mediatype; $avatar->filename = $filename; $avatar->url = Avatar::url($filename); - + common_debug("new filename: $avatar->url"); - + $avatar->created = common_sql_now(); $id = $avatar->insert(); - if (!$id) { + if (!$id) { common_log_db_error($avatar, 'INSERT', __FILE__); if (defined('SCRIPT_DEBUG')) { print "Could not insert avatar!\n"; } - + return null; } - + common_debug("Saved new $size avatar for $profile_id."); - + return $id; } -function fetchAvatar($url, $filename) +function fetchAvatar($url, $filename) { $avatar_dir = INSTALLDIR . '/avatar/'; - + $avatarfile = $avatar_dir . $filename; - + $out = fopen($avatarfile, 'wb'); if (!$out) { common_log(LOG_WARNING, "Couldn't open file $filename", __FILE__); @@ -431,12 +504,12 @@ function fetchAvatar($url, $filename) } return false; } - + common_debug("Fetching avatar: $url", __FILE__); if (defined('SCRIPT_DEBUG')) { print "Fetching avatar from Twitter: $url\n"; } - + $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_FILE, $out); @@ -447,7 +520,6 @@ function fetchAvatar($url, $filename) curl_close($ch); fclose($out); - + return $result; } - -- 2.39.5