760 lines
17 KiB
Elixir
760 lines
17 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Pool.ConnectionsTest do
|
|
use ExUnit.Case, async: true
|
|
use Pleroma.Tests.Helpers
|
|
|
|
import ExUnit.CaptureLog
|
|
import Mox
|
|
|
|
alias Pleroma.Gun.Conn
|
|
alias Pleroma.GunMock
|
|
alias Pleroma.Pool.Connections
|
|
|
|
setup :verify_on_exit!
|
|
|
|
setup_all do
|
|
name = :test_connections
|
|
{:ok, pid} = Connections.start_link({name, [checkin_timeout: 150]})
|
|
{:ok, _} = Registry.start_link(keys: :unique, name: Pleroma.GunMock)
|
|
|
|
on_exit(fn ->
|
|
if Process.alive?(pid), do: GenServer.stop(name)
|
|
end)
|
|
|
|
{:ok, name: name}
|
|
end
|
|
|
|
defp open_mock(num \\ 1) do
|
|
GunMock
|
|
|> expect(:open, num, &start_and_register(&1, &2, &3))
|
|
|> expect(:await_up, num, fn _, _ -> {:ok, :http} end)
|
|
|> expect(:set_owner, num, fn _, _ -> :ok end)
|
|
end
|
|
|
|
defp connect_mock(mock) do
|
|
mock
|
|
|> expect(:connect, &connect(&1, &2))
|
|
|> expect(:await, &await(&1, &2))
|
|
end
|
|
|
|
defp info_mock(mock), do: expect(mock, :info, &info(&1))
|
|
|
|
defp start_and_register('gun-not-up.com', _, _), do: {:error, :timeout}
|
|
|
|
defp start_and_register(host, port, _) do
|
|
{:ok, pid} = Task.start_link(fn -> Process.sleep(1000) end)
|
|
|
|
scheme =
|
|
case port do
|
|
443 -> "https"
|
|
_ -> "http"
|
|
end
|
|
|
|
Registry.register(GunMock, pid, %{
|
|
origin_scheme: scheme,
|
|
origin_host: host,
|
|
origin_port: port
|
|
})
|
|
|
|
{:ok, pid}
|
|
end
|
|
|
|
defp info(pid) do
|
|
[{_, info}] = Registry.lookup(GunMock, pid)
|
|
info
|
|
end
|
|
|
|
defp connect(pid, _) do
|
|
ref = make_ref()
|
|
Registry.register(GunMock, ref, pid)
|
|
ref
|
|
end
|
|
|
|
defp await(pid, ref) do
|
|
[{_, ^pid}] = Registry.lookup(GunMock, ref)
|
|
{:response, :fin, 200, []}
|
|
end
|
|
|
|
defp now, do: :os.system_time(:second)
|
|
|
|
describe "alive?/2" do
|
|
test "is alive", %{name: name} do
|
|
assert Connections.alive?(name)
|
|
end
|
|
|
|
test "returns false if not started" do
|
|
refute Connections.alive?(:some_random_name)
|
|
end
|
|
end
|
|
|
|
test "opens connection and reuse it on next request", %{name: name} do
|
|
open_mock()
|
|
url = "http://some-domain.com"
|
|
key = "http:some-domain.com:80"
|
|
refute Connections.checkin(url, name)
|
|
:ok = Conn.open(url, name)
|
|
|
|
conn = Connections.checkin(url, name)
|
|
assert is_pid(conn)
|
|
assert Process.alive?(conn)
|
|
|
|
self = self()
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert conn == reused_conn
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}, {^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
:ok = Connections.checkout(conn, self, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
:ok = Connections.checkout(conn, self, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [],
|
|
conn_state: :idle
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
end
|
|
|
|
test "reuse connection for idna domains", %{name: name} do
|
|
open_mock()
|
|
url = "http://ですsome-domain.com"
|
|
refute Connections.checkin(url, name)
|
|
|
|
:ok = Conn.open(url, name)
|
|
|
|
conn = Connections.checkin(url, name)
|
|
assert is_pid(conn)
|
|
assert Process.alive?(conn)
|
|
|
|
self = self()
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:ですsome-domain.com:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert conn == reused_conn
|
|
end
|
|
|
|
test "reuse for ipv4", %{name: name} do
|
|
open_mock()
|
|
url = "http://127.0.0.1"
|
|
|
|
refute Connections.checkin(url, name)
|
|
|
|
:ok = Conn.open(url, name)
|
|
|
|
conn = Connections.checkin(url, name)
|
|
assert is_pid(conn)
|
|
assert Process.alive?(conn)
|
|
|
|
self = self()
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:127.0.0.1:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert conn == reused_conn
|
|
|
|
:ok = Connections.checkout(conn, self, name)
|
|
:ok = Connections.checkout(reused_conn, self, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:127.0.0.1:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [],
|
|
conn_state: :idle
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
end
|
|
|
|
test "reuse for ipv6", %{name: name} do
|
|
open_mock()
|
|
url = "http://[2a03:2880:f10c:83:face:b00c:0:25de]"
|
|
|
|
refute Connections.checkin(url, name)
|
|
|
|
:ok = Conn.open(url, name)
|
|
|
|
conn = Connections.checkin(url, name)
|
|
assert is_pid(conn)
|
|
assert Process.alive?(conn)
|
|
|
|
self = self()
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:2a03:2880:f10c:83:face:b00c:0:25de:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert conn == reused_conn
|
|
end
|
|
|
|
test "up and down ipv4", %{name: name} do
|
|
open_mock()
|
|
|> info_mock()
|
|
|> allow(self(), name)
|
|
|
|
self = self()
|
|
url = "http://127.0.0.1"
|
|
:ok = Conn.open(url, name)
|
|
conn = Connections.checkin(url, name)
|
|
send(name, {:gun_down, conn, nil, nil, nil})
|
|
send(name, {:gun_up, conn, nil})
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:127.0.0.1:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
end
|
|
|
|
test "up and down ipv6", %{name: name} do
|
|
self = self()
|
|
|
|
open_mock()
|
|
|> info_mock()
|
|
|> allow(self, name)
|
|
|
|
url = "http://[2a03:2880:f10c:83:face:b00c:0:25de]"
|
|
:ok = Conn.open(url, name)
|
|
conn = Connections.checkin(url, name)
|
|
send(name, {:gun_down, conn, nil, nil, nil})
|
|
send(name, {:gun_up, conn, nil})
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:2a03:2880:f10c:83:face:b00c:0:25de:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}],
|
|
conn_state: :active
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
end
|
|
|
|
test "reuses connection based on protocol", %{name: name} do
|
|
open_mock(2)
|
|
http_url = "http://some-domain.com"
|
|
http_key = "http:some-domain.com:80"
|
|
https_url = "https://some-domain.com"
|
|
https_key = "https:some-domain.com:443"
|
|
|
|
refute Connections.checkin(http_url, name)
|
|
:ok = Conn.open(http_url, name)
|
|
conn = Connections.checkin(http_url, name)
|
|
assert is_pid(conn)
|
|
assert Process.alive?(conn)
|
|
|
|
refute Connections.checkin(https_url, name)
|
|
:ok = Conn.open(https_url, name)
|
|
https_conn = Connections.checkin(https_url, name)
|
|
|
|
refute conn == https_conn
|
|
|
|
reused_https = Connections.checkin(https_url, name)
|
|
|
|
refute conn == reused_https
|
|
|
|
assert reused_https == https_conn
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^http_key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
},
|
|
^https_key => %Conn{
|
|
conn: ^https_conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
end
|
|
|
|
test "connection can't get up", %{name: name} do
|
|
expect(GunMock, :open, &start_and_register(&1, &2, &3))
|
|
url = "http://gun-not-up.com"
|
|
|
|
assert capture_log(fn ->
|
|
refute Conn.open(url, name)
|
|
refute Connections.checkin(url, name)
|
|
end) =~
|
|
"Opening connection to http://gun-not-up.com failed with error {:error, :timeout}"
|
|
end
|
|
|
|
test "process gun_down message and then gun_up", %{name: name} do
|
|
self = self()
|
|
|
|
open_mock()
|
|
|> info_mock()
|
|
|> allow(self, name)
|
|
|
|
url = "http://gun-down-and-up.com"
|
|
key = "http:gun-down-and-up.com:80"
|
|
:ok = Conn.open(url, name)
|
|
conn = Connections.checkin(url, name)
|
|
|
|
assert is_pid(conn)
|
|
assert Process.alive?(conn)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}]
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
send(name, {:gun_down, conn, :http, nil, nil})
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :down,
|
|
used_by: [{^self, _}]
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
send(name, {:gun_up, conn, :http})
|
|
|
|
conn2 = Connections.checkin(url, name)
|
|
assert conn == conn2
|
|
|
|
assert is_pid(conn2)
|
|
assert Process.alive?(conn2)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: _,
|
|
gun_state: :up,
|
|
used_by: [{^self, _}, {^self, _}]
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
end
|
|
|
|
test "async processes get same conn for same domain", %{name: name} do
|
|
open_mock()
|
|
url = "http://some-domain.com"
|
|
:ok = Conn.open(url, name)
|
|
|
|
tasks =
|
|
for _ <- 1..5 do
|
|
Task.async(fn ->
|
|
Connections.checkin(url, name)
|
|
end)
|
|
end
|
|
|
|
tasks_with_results = Task.yield_many(tasks)
|
|
|
|
results =
|
|
Enum.map(tasks_with_results, fn {task, res} ->
|
|
res || Task.shutdown(task, :brutal_kill)
|
|
end)
|
|
|
|
conns = for {:ok, value} <- results, do: value
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:some-domain.com:80" => %Conn{
|
|
conn: conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
assert Enum.all?(conns, fn res -> res == conn end)
|
|
end
|
|
|
|
test "remove frequently used and idle", %{name: name} do
|
|
open_mock(3)
|
|
self = self()
|
|
http_url = "http://some-domain.com"
|
|
https_url = "https://some-domain.com"
|
|
:ok = Conn.open(https_url, name)
|
|
:ok = Conn.open(http_url, name)
|
|
|
|
conn1 = Connections.checkin(https_url, name)
|
|
|
|
[conn2 | _conns] =
|
|
for _ <- 1..4 do
|
|
Connections.checkin(http_url, name)
|
|
end
|
|
|
|
http_key = "http:some-domain.com:80"
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^http_key => %Conn{
|
|
conn: ^conn2,
|
|
gun_state: :up,
|
|
conn_state: :active,
|
|
used_by: [{^self, _}, {^self, _}, {^self, _}, {^self, _}]
|
|
},
|
|
"https:some-domain.com:443" => %Conn{
|
|
conn: ^conn1,
|
|
gun_state: :up,
|
|
conn_state: :active,
|
|
used_by: [{^self, _}]
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
:ok = Connections.checkout(conn1, self, name)
|
|
|
|
another_url = "http://another-domain.com"
|
|
:ok = Conn.open(another_url, name)
|
|
conn = Connections.checkin(another_url, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:another-domain.com:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
},
|
|
^http_key => %Conn{
|
|
conn: _,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
end
|
|
|
|
describe "with proxy" do
|
|
test "as ip", %{name: name} do
|
|
open_mock()
|
|
|> connect_mock()
|
|
|
|
url = "http://proxy-string.com"
|
|
key = "http:proxy-string.com:80"
|
|
:ok = Conn.open(url, name, proxy: {{127, 0, 0, 1}, 8123})
|
|
|
|
conn = Connections.checkin(url, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
^key => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert reused_conn == conn
|
|
end
|
|
|
|
test "as host", %{name: name} do
|
|
open_mock()
|
|
|> connect_mock()
|
|
|
|
url = "http://proxy-tuple-atom.com"
|
|
:ok = Conn.open(url, name, proxy: {'localhost', 9050})
|
|
conn = Connections.checkin(url, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:proxy-tuple-atom.com:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert reused_conn == conn
|
|
end
|
|
|
|
test "as ip and ssl", %{name: name} do
|
|
open_mock()
|
|
|> connect_mock()
|
|
|
|
url = "https://proxy-string.com"
|
|
|
|
:ok = Conn.open(url, name, proxy: {{127, 0, 0, 1}, 8123})
|
|
conn = Connections.checkin(url, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"https:proxy-string.com:443" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert reused_conn == conn
|
|
end
|
|
|
|
test "as host and ssl", %{name: name} do
|
|
open_mock()
|
|
|> connect_mock()
|
|
|
|
url = "https://proxy-tuple-atom.com"
|
|
:ok = Conn.open(url, name, proxy: {'localhost', 9050})
|
|
conn = Connections.checkin(url, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"https:proxy-tuple-atom.com:443" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert reused_conn == conn
|
|
end
|
|
|
|
test "with socks type", %{name: name} do
|
|
open_mock()
|
|
|
|
url = "http://proxy-socks.com"
|
|
|
|
:ok = Conn.open(url, name, proxy: {:socks5, 'localhost', 1234})
|
|
|
|
conn = Connections.checkin(url, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"http:proxy-socks.com:80" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert reused_conn == conn
|
|
end
|
|
|
|
test "with socks4 type and ssl", %{name: name} do
|
|
open_mock()
|
|
url = "https://proxy-socks.com"
|
|
|
|
:ok = Conn.open(url, name, proxy: {:socks4, 'localhost', 1234})
|
|
|
|
conn = Connections.checkin(url, name)
|
|
|
|
%Connections{
|
|
conns: %{
|
|
"https:proxy-socks.com:443" => %Conn{
|
|
conn: ^conn,
|
|
gun_state: :up
|
|
}
|
|
}
|
|
} = Connections.get_state(name)
|
|
|
|
reused_conn = Connections.checkin(url, name)
|
|
|
|
assert reused_conn == conn
|
|
end
|
|
end
|
|
|
|
describe "crf/3" do
|
|
setup do
|
|
crf = Connections.crf(1, 10, 1)
|
|
{:ok, crf: crf}
|
|
end
|
|
|
|
test "more used will have crf higher", %{crf: crf} do
|
|
# used 3 times
|
|
crf1 = Connections.crf(1, 10, crf)
|
|
crf1 = Connections.crf(1, 10, crf1)
|
|
|
|
# used 2 times
|
|
crf2 = Connections.crf(1, 10, crf)
|
|
|
|
assert crf1 > crf2
|
|
end
|
|
|
|
test "recently used will have crf higher on equal references", %{crf: crf} do
|
|
# used 3 sec ago
|
|
crf1 = Connections.crf(3, 10, crf)
|
|
|
|
# used 4 sec ago
|
|
crf2 = Connections.crf(4, 10, crf)
|
|
|
|
assert crf1 > crf2
|
|
end
|
|
|
|
test "equal crf on equal reference and time", %{crf: crf} do
|
|
# used 2 times
|
|
crf1 = Connections.crf(1, 10, crf)
|
|
|
|
# used 2 times
|
|
crf2 = Connections.crf(1, 10, crf)
|
|
|
|
assert crf1 == crf2
|
|
end
|
|
|
|
test "recently used will have higher crf", %{crf: crf} do
|
|
crf1 = Connections.crf(2, 10, crf)
|
|
crf1 = Connections.crf(1, 10, crf1)
|
|
|
|
crf2 = Connections.crf(3, 10, crf)
|
|
crf2 = Connections.crf(4, 10, crf2)
|
|
assert crf1 > crf2
|
|
end
|
|
end
|
|
|
|
describe "get_unused_conns/1" do
|
|
test "crf is equalent, sorting by reference", %{name: name} do
|
|
Connections.add_conn(name, "1", %Conn{
|
|
conn_state: :idle,
|
|
last_reference: now() - 1
|
|
})
|
|
|
|
Connections.add_conn(name, "2", %Conn{
|
|
conn_state: :idle,
|
|
last_reference: now()
|
|
})
|
|
|
|
assert [{"1", _unused_conn} | _others] = Connections.get_unused_conns(name)
|
|
end
|
|
|
|
test "reference is equalent, sorting by crf", %{name: name} do
|
|
Connections.add_conn(name, "1", %Conn{
|
|
conn_state: :idle,
|
|
crf: 1.999
|
|
})
|
|
|
|
Connections.add_conn(name, "2", %Conn{
|
|
conn_state: :idle,
|
|
crf: 2
|
|
})
|
|
|
|
assert [{"1", _unused_conn} | _others] = Connections.get_unused_conns(name)
|
|
end
|
|
|
|
test "higher crf and lower reference", %{name: name} do
|
|
Connections.add_conn(name, "1", %Conn{
|
|
conn_state: :idle,
|
|
crf: 3,
|
|
last_reference: now() - 1
|
|
})
|
|
|
|
Connections.add_conn(name, "2", %Conn{
|
|
conn_state: :idle,
|
|
crf: 2,
|
|
last_reference: now()
|
|
})
|
|
|
|
assert [{"2", _unused_conn} | _others] = Connections.get_unused_conns(name)
|
|
end
|
|
|
|
test "lower crf and lower reference", %{name: name} do
|
|
Connections.add_conn(name, "1", %Conn{
|
|
conn_state: :idle,
|
|
crf: 1.99,
|
|
last_reference: now() - 1
|
|
})
|
|
|
|
Connections.add_conn(name, "2", %Conn{
|
|
conn_state: :idle,
|
|
crf: 2,
|
|
last_reference: now()
|
|
})
|
|
|
|
assert [{"1", _unused_conn} | _others] = Connections.get_unused_conns(name)
|
|
end
|
|
end
|
|
|
|
test "count/1" do
|
|
name = :test_count
|
|
{:ok, _} = Connections.start_link({name, [checkin_timeout: 150]})
|
|
assert Connections.count(name) == 0
|
|
Connections.add_conn(name, "1", %Conn{conn: self()})
|
|
assert Connections.count(name) == 1
|
|
Connections.remove_conn(name, "1")
|
|
assert Connections.count(name) == 0
|
|
end
|
|
end
|