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%% This module sets options dynamically and performs
%% some related relevant operation for testing the change.
-module(set_options_h).
-export([init/2]).
init(Req, State) ->
set_options(cowboy_req:binding(key, Req), Req, State).
set_options(<<"chunked_false">>, Req0, State) ->
cowboy_req:cast({set_options, #{chunked => false}}, Req0),
Req = cowboy_req:stream_reply(200, Req0),
cowboy_req:stream_body(<<0:8000000>>, fin, Req),
{ok, Req, State};
set_options(<<"chunked_false_ignored">>, Req0, State) ->
cowboy_req:cast({set_options, #{chunked => false}}, Req0),
Req = cowboy_req:reply(200, #{}, <<"Hello world!">>, Req0),
{ok, Req, State};
set_options(<<"idle_timeout_short">>, Req0, State) ->
cowboy_req:cast({set_options, #{idle_timeout => 500}}, Req0),
{_, Body, Req} = cowboy_req:read_body(Req0),
{ok, cowboy_req:reply(200, #{}, Body, Req), State};
set_options(<<"idle_timeout_long">>, Req0, State) ->
cowboy_req:cast({set_options, #{idle_timeout => 60000}}, Req0),
{_, Body, Req} = cowboy_req:read_body(Req0),
{ok, cowboy_req:reply(200, #{}, Body, Req), State};
set_options(<<"metrics_user_data">>, Req, State) ->
cowboy_req:cast({set_options, #{metrics_user_data => #{handler => ?MODULE}}}, Req),
{ok, cowboy_req:reply(200, #{}, <<"Hello world!">>, Req), State}.
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