54 lines
1.0 KiB
Erlang
54 lines
1.0 KiB
Erlang
-module(transport_capabilities_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, Opts) ->
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Pid = spawn_link(?MODULE, init, [Ref, Transport, Opts]),
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{ok, Pid}.
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init(Ref, Transport, _Opts = []) ->
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{ok, Socket} = ranch:handshake(Ref),
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loop(Socket, Transport).
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loop(Socket, Transport) ->
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case Transport:recv(Socket, 0, 5000) of
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{ok, Data} ->
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Reply =
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case check(Socket, Transport, Data) of
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ok ->
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<<"OK">>;
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error ->
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<<"ERROR">>
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end,
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Transport:send(Socket, Reply),
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loop(Socket, Transport);
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_ ->
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ok = Transport:close(Socket)
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end.
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check(Socket, Transport, <<"getopts/2">>) ->
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case catch Transport:getopts(Socket, []) of
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{ok, _} ->
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ok;
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_ ->
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error
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end;
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check(Socket, Transport, <<"getstat/1">>) ->
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case catch Transport:getstat(Socket) of
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{ok, _} ->
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ok;
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_ ->
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error
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end;
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check(Socket, Transport, <<"getstat/2">>) ->
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case catch Transport:getstat(Socket, []) of
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{ok, _} ->
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ok;
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_ ->
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error
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end.
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