Add multithreading to pubsub job

This commit is contained in:
Omar Roth 2019-04-04 07:49:53 -05:00
parent 31312747e9
commit 305d636217
3 changed files with 43 additions and 11 deletions

View file

@ -2344,7 +2344,8 @@ get "/feed/webhook/:token" do |env|
data = "#{time}"
end
# The hub will sometimes check if we're still subscribed after delivery errors
# The hub will sometimes check if we're still subscribed after delivery errors,
# so we reply with a 200 as long as the request hasn't expired
if Time.now.to_unix - time.to_i > 432000
env.response.status_code = 400
next
@ -2377,11 +2378,12 @@ post "/feed/webhook/:token" do |env|
rss = XML.parse_html(body)
rss.xpath_nodes("//feed/entry").each do |entry|
id = entry.xpath_node("videoid").not_nil!.content
author = entry.xpath_node("author/name").not_nil!.content
published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
video = get_video(id, PG_DB, proxies, region: nil)
video = ChannelVideo.new(id, video.title, published, updated, video.ucid, video.author, video.length_seconds, video.live_now, video.premiere_timestamp)
video = ChannelVideo.new(id, video.title, published, updated, video.ucid, author, video.length_seconds, video.live_now, video.premiere_timestamp)
PG_DB.exec("UPDATE users SET notifications = notifications || $1 \
WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, video.published, video.ucid)

View file

@ -85,7 +85,7 @@ user: String,
https_only: Bool?, # Used to tell Invidious it is behind a proxy, so links to resources should be https://
hmac_key: String?, # HMAC signing key for CSRF tokens and verifying pubsub subscriptions
domain: String?, # Domain to be used for links to resources on the site where an absolute URL is required
use_pubsub_feeds: {type: Bool, default: false}, # Subscribe to channels using PubSubHubbub (requires domain, hmac_key)
use_pubsub_feeds: {type: Bool | Int32, default: false}, # Subscribe to channels using PubSubHubbub (requires domain, hmac_key)
default_home: {type: String, default: "Top"},
feed_menu: {type: Array(String), default: ["Popular", "Top", "Trending", "Subscriptions"]},
top_enabled: {type: Bool, default: true},

View file

@ -104,22 +104,52 @@ end
def subscribe_to_feeds(db, logger, key, config)
if config.use_pubsub_feeds
case config.use_pubsub_feeds
when Bool
max_threads = config.use_pubsub_feeds.as(Bool).to_unsafe
when Int32
max_threads = config.use_pubsub_feeds.as(Int32)
end
max_channel = Channel(Int32).new
spawn do
max_threads = max_channel.receive
active_threads = 0
active_channel = Channel(Bool).new
loop do
db.query_all("SELECT id FROM channels WHERE CURRENT_TIMESTAMP - subscribed > '4 days' OR subscribed IS NULL") do |rs|
db.query_all("SELECT id FROM channels WHERE CURRENT_TIMESTAMP - subscribed > interval '4 days' OR subscribed IS NULL") do |rs|
rs.each do
ucid = rs.read(String)
if active_threads >= max_threads.as(Int32)
if active_channel.receive
active_threads -= 1
end
end
active_threads += 1
spawn do
begin
response = subscribe_pubsub(ucid, key, config)
if response.status_code >= 400
logger.write("#{ucid} : #{response.body}\n")
end
rescue ex
end
active_channel.send(true)
end
end
end
sleep 1.minute
end
end
max_channel.send(max_threads.as(Int32))
end
end