Packages
plug
1.5.0-rc.0
1.20.3
1.20.2
1.20.1
retired
1.20.0
retired
1.19.5
1.19.4
1.19.3
1.19.2
1.19.1
1.19.0
1.18.5
1.18.4
1.18.3
1.18.2
1.18.1
1.18.0
1.17.4
1.17.3
1.17.2
1.17.1
1.17.0
1.16.6
1.16.5
1.16.4
1.16.3
1.16.2
1.16.1
1.16.0
1.15.6
1.15.5
1.15.4
1.15.3
1.15.2
1.15.1
1.15.0
1.14.2
1.14.1
1.14.0
1.13.6
1.13.5
1.13.4
1.13.3
1.13.2
1.13.1
retired
1.13.0
retired
1.12.1
1.12.0
1.11.1
1.11.0
1.10.4
1.10.3
1.10.2
1.10.1
1.10.0
1.9.0
1.8.3
1.8.2
1.8.1
1.8.0
1.7.2
1.7.1
1.7.0
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.5.1
1.5.0
1.5.0-rc.2
1.5.0-rc.1
1.5.0-rc.0
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.4.0-rc.0
1.3.6
1.3.5
1.3.4
1.3.3
1.3.2
1.3.1
1.3.0
1.2.6
1.2.5
1.2.4
1.2.3
1.2.2
1.2.1
1.2.0
1.2.0-rc.0
1.1.9
1.1.8
1.1.7
1.1.6
1.1.5
1.1.4
1.1.3
1.1.2
1.1.1
1.1.0
1.0.6
1.0.5
1.0.4
1.0.3
1.0.2
1.0.1
1.0.0
0.14.0
0.13.1
0.13.0
0.12.2
0.12.1
0.12.0
0.11.3
0.11.2
0.11.1
0.11.0
0.10.0
0.9.0
0.8.4
0.8.3
0.8.2
0.8.1
0.8.0
0.7.0
0.6.0
0.5.3
0.5.2
0.5.1
0.5.0
0.4.4
0.4.3
0.4.2
0.4.1
Compose web applications with functions
Security advisory:
This version has known vulnerabilities.
View advisories
Current section
Files
Jump to
Current section
Files
lib/plug/adapters/translator.ex
defmodule Plug.Adapters.Translator do
@moduledoc """
A translator module shared by adapters that ship with Plug.
We host all translations in a single module which is added
to Logger when the :plug application starts.
"""
## Entry point
@doc """
The `translate/4` function expected by custom Logger translators.
"""
# cowboy 1 format
def translate(min_level, :error, :format,
{~c"Ranch listener" ++ _, [ref, protocol, pid, reason]}) do
translate_ranch(min_level, ref, protocol, pid, reason)
end
# cowboy 2 format
def translate(min_level, :error, :format,
{~c"Ranch listener" ++ _, [ref, pid, _stream_id, _stream_pid, reason, _]}) do
translate_ranch(min_level, ref, :cowboy_protocol, pid, reason)
end
def translate(_min_level, _level, _kind, _data) do
:none
end
## Ranch/Cowboy
defp translate_ranch(min_level, _ref, :cowboy_protocol, pid,
{reason, {mod, :call, [%Plug.Conn{} = conn, _opts]}}) do
if non_500_exception?(reason) do
:skip
else
{:ok, [inspect(pid), " running ", inspect(mod), " terminated\n",
conn_info(min_level, conn) |
Exception.format(:exit, reason, [])]}
end
end
defp translate_ranch(_min_level, ref, protocol, pid, reason) do
{:ok, ["Ranch protocol ", inspect(pid), " (", inspect(protocol),
") of listener ", inspect(ref), " terminated\n" |
Exception.format(:exit, reason, [])]}
end
defp non_500_exception?({%{__exception__: true} = exception, _}),
do: Plug.Exception.status(exception) < 500
defp non_500_exception?(_),
do: false
## Helpers
defp conn_info(_min_level, conn) do
[server_info(conn), request_info(conn)]
end
defp server_info(%Plug.Conn{host: host, port: port, scheme: scheme}) do
["Server: ", host, ":", Integer.to_string(port), ?\s, ?(, Atom.to_string(scheme), ?), ?\n]
end
defp request_info(%Plug.Conn{method: method, query_string: query_string} = conn) do
["Request: ", method, ?\s, path_to_iodata(conn.request_path, query_string), ?\n]
end
defp path_to_iodata(path, ""), do: path
defp path_to_iodata(path, qs), do: [path, ??, qs]
end