Move the YoutubeConnectionPool code to its own file

This commit is contained in:
Samantaz Fox 2021-10-07 22:17:24 +02:00
parent 56dbe15943
commit d300797e22
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2 changed files with 81 additions and 81 deletions

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@ -1,4 +1,3 @@
require "lsquic"
require "db"
def add_yt_headers(request)
@ -16,55 +15,6 @@ def add_yt_headers(request)
end
end
struct YoutubeConnectionPool
property! url : URI
property! capacity : Int32
property! timeout : Float64
property pool : DB::Pool(QUIC::Client | HTTP::Client)
def initialize(url : URI, @capacity = 5, @timeout = 5.0, use_quic = true)
@url = url
@pool = build_pool(use_quic)
end
def client(region = nil, &block)
if region
conn = make_client(url, region)
response = yield conn
else
conn = pool.checkout
begin
response = yield conn
rescue ex
conn.close
conn = QUIC::Client.new(url)
conn.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::INET
conn.family = Socket::Family::INET if conn.family == Socket::Family::UNSPEC
conn.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
response = yield conn
ensure
pool.release(conn)
end
end
response
end
private def build_pool(use_quic)
DB::Pool(QUIC::Client | HTTP::Client).new(initial_pool_size: 0, max_pool_size: capacity, max_idle_pool_size: capacity, checkout_timeout: timeout) do
if use_quic
conn = QUIC::Client.new(url)
else
conn = HTTP::Client.new(url)
end
conn.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::INET
conn.family = Socket::Family::INET if conn.family == Socket::Family::UNSPEC
conn.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
conn
end
end
end
# See http://www.evanmiller.org/how-not-to-sort-by-average-rating.html
def ci_lower_bound(pos, n)
if n == 0
@ -85,37 +35,6 @@ def elapsed_text(elapsed)
"#{(millis * 1000).round(2)}µs"
end
def make_client(url : URI, region = nil)
# TODO: Migrate any applicable endpoints to QUIC
client = HTTPClient.new(url, OpenSSL::SSL::Context::Client.insecure)
client.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::UNSPEC
client.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
client.read_timeout = 10.seconds
client.connect_timeout = 10.seconds
if region
PROXY_LIST[region]?.try &.sample(40).each do |proxy|
begin
proxy = HTTPProxy.new(proxy_host: proxy[:ip], proxy_port: proxy[:port])
client.set_proxy(proxy)
break
rescue ex
end
end
end
return client
end
def make_client(url : URI, region = nil, &block)
client = make_client(url, region)
begin
yield client
ensure
client.close
end
end
def decode_length_seconds(string)
length_seconds = string.gsub(/[^0-9:]/, "").split(":").map &.to_i
length_seconds = [0] * (3 - length_seconds.size) + length_seconds

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@ -0,0 +1,81 @@
require "lsquic"
struct YoutubeConnectionPool
property! url : URI
property! capacity : Int32
property! timeout : Float64
property pool : DB::Pool(QUIC::Client | HTTP::Client)
def initialize(url : URI, @capacity = 5, @timeout = 5.0, use_quic = true)
@url = url
@pool = build_pool(use_quic)
end
def client(region = nil, &block)
if region
conn = make_client(url, region)
response = yield conn
else
conn = pool.checkout
begin
response = yield conn
rescue ex
conn.close
conn = QUIC::Client.new(url)
conn.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::INET
conn.family = Socket::Family::INET if conn.family == Socket::Family::UNSPEC
conn.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
response = yield conn
ensure
pool.release(conn)
end
end
response
end
private def build_pool(use_quic)
DB::Pool(QUIC::Client | HTTP::Client).new(initial_pool_size: 0, max_pool_size: capacity, max_idle_pool_size: capacity, checkout_timeout: timeout) do
if use_quic
conn = QUIC::Client.new(url)
else
conn = HTTP::Client.new(url)
end
conn.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::INET
conn.family = Socket::Family::INET if conn.family == Socket::Family::UNSPEC
conn.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
conn
end
end
end
def make_client(url : URI, region = nil)
# TODO: Migrate any applicable endpoints to QUIC
client = HTTPClient.new(url, OpenSSL::SSL::Context::Client.insecure)
client.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::UNSPEC
client.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
client.read_timeout = 10.seconds
client.connect_timeout = 10.seconds
if region
PROXY_LIST[region]?.try &.sample(40).each do |proxy|
begin
proxy = HTTPProxy.new(proxy_host: proxy[:ip], proxy_port: proxy[:port])
client.set_proxy(proxy)
break
rescue ex
end
end
end
return client
end
def make_client(url : URI, region = nil, &block)
client = make_client(url, region)
begin
yield client
ensure
client.close
end
end