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f810d8dd64
This command is currently not documented. It allows disabling the reading of incoming data from the socket, and can be used as a poor man's flow control.
30 lines
871 B
Erlang
30 lines
871 B
Erlang
%% This module takes commands from the x-commands header
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%% and returns them in the websocket_init/1 callback.
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-module(ws_active_commands_h).
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-behavior(cowboy_websocket).
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-export([init/2]).
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-export([websocket_init/1]).
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-export([websocket_handle/2]).
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-export([websocket_info/2]).
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init(Req, RunOrHibernate) ->
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{cowboy_websocket, Req, RunOrHibernate}.
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websocket_init(State=run) ->
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erlang:send_after(1500, self(), active_true),
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{[{active, false}], State};
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websocket_init(State=hibernate) ->
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erlang:send_after(1500, self(), active_true),
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{[{active, false}], State, hibernate}.
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websocket_handle(Frame, State=run) ->
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{[Frame], State};
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websocket_handle(Frame, State=hibernate) ->
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{[Frame], State, hibernate}.
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websocket_info(active_true, State=run) ->
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{[{active, true}], State};
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websocket_info(active_true, State=hibernate) ->
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{[{active, true}], State, hibernate}.
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