31 lines
812 B
Erlang
31 lines
812 B
Erlang
-module(batch_echo_protocol).
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-behaviour(ranch_protocol).
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-export([start_link/3]).
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-export([init/3]).
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start_link(Ref, Transport, [{batch_size, N}]) ->
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Pid = spawn_link(?MODULE, init, [Ref, Transport, N]),
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{ok, Pid}.
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init(Ref, Transport, N) ->
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{ok, Socket} = ranch:handshake(Ref),
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Transport:setopts(Socket, [{active, N}]),
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loop(Socket, Transport, N, <<>>).
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loop(Socket, Transport, N, Acc) ->
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{OK, Closed, Error, Passive} = Transport:messages(),
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receive
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{OK, Socket, Data} ->
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Transport:send(Socket, <<"OK">>),
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loop(Socket, Transport, N, <<Acc/binary, Data/binary>>);
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{Passive, Socket} ->
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Transport:send(Socket, Acc),
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Transport:setopts(Socket, [{active, N}]),
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loop(Socket, Transport, N, <<>>);
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{Closed, Socket} ->
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ok;
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{Error, Socket, _} ->
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ok = Transport:close(Socket)
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end.
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