Remove 'crawl_threads', fix sleep in fibers

config/config.yml

@@ -1,5 +1,3 @@
-video_threads: 0
-crawl_threads: 0
 channel_threads: 1
 feed_threads: 1
 db:

src/invidious.cr

@@ -36,14 +36,6 @@ logger = Invidious::LogHandler.new
 
 Kemal.config.extra_options do |parser|
   parser.banner = "Usage: invidious [arguments]"
-  parser.on("-t THREADS", "--crawl-threads=THREADS", "Number of threads for crawling YouTube (default: #{config.crawl_threads})") do |number|
-    begin
-      config.crawl_threads = number.to_i
-    rescue ex
-      puts "THREADS must be integer"
-      exit
-    end
-  end
   parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{config.channel_threads})") do |number|
     begin
       config.channel_threads = number.to_i
@@ -60,14 +52,6 @@ Kemal.config.extra_options do |parser|
       exit
     end
   end
-  parser.on("-v THREADS", "--video-threads=THREADS", "Number of threads for refreshing videos (default: #{config.video_threads})") do |number|
-    begin
-      config.video_threads = number.to_i
-    rescue ex
-      puts "THREADS must be integer"
-      exit
-    end
-  end
   parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: STDOUT)") do |output|
     FileUtils.mkdir_p(File.dirname(output))
     logger = Invidious::LogHandler.new(File.open(output, mode: "a"))
@@ -108,24 +92,12 @@ LOCALES = {
   "ru"    => load_locale("ru"),
 }
 
-config.crawl_threads.times do
-  spawn do
-    crawl_videos(PG_DB, logger)
-  end
-end
-
 refresh_channels(PG_DB, logger, config.channel_threads, config.full_refresh)
 
 refresh_feeds(PG_DB, logger, config.feed_threads)
 
 subscribe_to_feeds(PG_DB, logger, HMAC_KEY, config)
 
-config.video_threads.times do |i|
-  spawn do
-    refresh_videos(PG_DB, logger)
-  end
-end
-
 statistics = {
   "error" => "Statistics are not availabile.",
 }
@@ -154,7 +126,6 @@ if config.statistics_enabled
       }
 
       sleep 1.minute
-      Fiber.yield
     end
   end
 end
@@ -164,8 +135,7 @@ if config.top_enabled
   spawn do
     pull_top_videos(config, PG_DB) do |videos|
       top_videos = videos
-      sleep 1.minutes
-      Fiber.yield
+      sleep 1.minute
     end
   end
 end
@@ -174,8 +144,7 @@ popular_videos = [] of ChannelVideo
 spawn do
   pull_popular_videos(PG_DB) do |videos|
     popular_videos = videos
-    sleep 1.minutes
-    Fiber.yield
+    sleep 1.minute
   end
 end
 
@@ -183,8 +152,6 @@ decrypt_function = [] of {name: String, value: Int32}
 spawn do
   update_decrypt_function do |function|
     decrypt_function = function
-    sleep 1.minutes
-    Fiber.yield
   end
 end
 
@@ -4284,6 +4251,7 @@ get "/videoplayback" do |env|
   end
 end
 
+# We need this so the below route works as expected
 get "/ggpht*" do |env|
 end
 

src/invidious/helpers/helpers.cr

@@ -1,7 +1,5 @@
 class Config
   YAML.mapping({
-    video_threads:   Int32,      # Number of threads to use for updating videos in cache (mostly non-functional)
-    crawl_threads:   Int32,      # Number of threads to use for finding new videos from YouTube (used to populate "top" page)
     channel_threads: Int32,      # Number of threads to use for crawling videos from channels (for updating subscriptions)
     feed_threads:    Int32,      # Number of threads to use for updating feeds
     db:              NamedTuple( # Database configuration

src/invidious/jobs.cr

@@ -1,51 +1,3 @@
-def crawl_videos(db, logger)
-  ids = Deque(String).new
-  random = Random.new
-
-  search(random.base64(3)).as(Tuple)[1].each do |video|
-    if video.is_a?(SearchVideo)
-      ids << video.id
-    end
-  end
-
-  loop do
-    if ids.empty?
-      search(random.base64(3)).as(Tuple)[1].each do |video|
-        if video.is_a?(SearchVideo)
-          ids << video.id
-        end
-      end
-    end
-
-    begin
-      id = ids[0]
-      video = get_video(id, db)
-    rescue ex
-      logger.write("#{id} : #{ex.message}\n")
-      next
-    ensure
-      ids.delete(id)
-    end
-
-    rvs = [] of Hash(String, String)
-    video.info["rvs"]?.try &.split(",").each do |rv|
-      rvs << HTTP::Params.parse(rv).to_h
-    end
-
-    rvs.each do |rv|
-      if rv.has_key?("id") && !db.query_one?("SELECT EXISTS (SELECT true FROM videos WHERE id = $1)", rv["id"], as: Bool)
-        ids.delete(id)
-        ids << rv["id"]
-        if ids.size == 150
-          ids.shift
-        end
-      end
-    end
-
-    Fiber.yield
-  end
-end
-
 def refresh_channels(db, logger, max_threads = 1, full_refresh = false)
   max_channel = Channel(Int32).new
 
@@ -82,30 +34,14 @@ def refresh_channels(db, logger, max_threads = 1, full_refresh = false)
           end
         end
       end
+
+      sleep 1.minute
     end
   end
 
   max_channel.send(max_threads)
 end
 
-def refresh_videos(db, logger)
-  loop do
-    db.query("SELECT id FROM videos ORDER BY updated") do |rs|
-      rs.each do
-        begin
-          id = rs.read(String)
-          video = get_video(id, db)
-        rescue ex
-          logger.write("#{id} : #{ex.message}\n")
-          next
-        end
-      end
-    end
-
-    Fiber.yield
-  end
-end
-
 def refresh_feeds(db, logger, max_threads = 1)
   max_channel = Channel(Int32).new
 
@@ -158,6 +94,8 @@ def refresh_feeds(db, logger, max_threads = 1)
           end
         end
       end
+
+      sleep 1.minute
     end
   end
 
@@ -180,7 +118,6 @@ def subscribe_to_feeds(db, logger, key, config)
         end
 
         sleep 1.minute
-        Fiber.yield
       end
     end
   end
@@ -211,7 +148,7 @@ def pull_top_videos(config, db)
     end
 
     yield videos
-    Fiber.yield
+    sleep 1.minute
   end
 end
 
@@ -226,7 +163,7 @@ def pull_popular_videos(db)
     ORDER BY ucid, published DESC", subscriptions, as: ChannelVideo).sort_by { |video| video.published }.reverse
 
     yield videos
-    Fiber.yield
+    sleep 1.minute
   end
 end
 
@@ -239,6 +176,7 @@ def update_decrypt_function
     end
 
     yield decrypt_function
+    sleep 1.minute
   end
 end
 
@@ -250,7 +188,8 @@ def find_working_proxies(regions)
       # proxies = filter_proxies(proxies)
 
       yield region, proxies
-      Fiber.yield
     end
+
+    sleep 1.minute
   end
 end