mirror of
https://github.com/processone/ejabberd.git
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77 lines
2.0 KiB
Erlang
77 lines
2.0 KiB
Erlang
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%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% @copyright (C) 2017, Evgeny Khramtsov
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%%% @doc
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%%%
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%%% @end
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%%% Created : 28 Mar 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%-------------------------------------------------------------------
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-module(mod_bosh_redis).
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-behaviour(mod_bosh).
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%% API
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-export([init/0, open_session/2, close_session/1, find_session/1]).
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-include("ejabberd.hrl").
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-include("logger.hrl").
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-define(BOSH_KEY, "ejabberd:bosh").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init() ->
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clean_table().
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open_session(SID, Pid) ->
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PidBin = term_to_binary(Pid),
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case ejabberd_redis:q(["HSET", ?BOSH_KEY, SID, PidBin]) of
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{ok, _} ->
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ok;
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Err ->
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?ERROR_MSG("failed to register bosh session in redis: ~p", [Err]),
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Err
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end.
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close_session(SID) ->
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case ejabberd_redis:q(["HDEL", ?BOSH_KEY, SID]) of
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{ok, _} ->
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ok;
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Err ->
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?ERROR_MSG("failed to delete bosh session in redis: ~p", [Err])
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end.
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find_session(SID) ->
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case ejabberd_redis:q(["HGET", ?BOSH_KEY, SID]) of
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{ok, Pid} when is_binary(Pid) ->
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{ok, binary_to_term(Pid)};
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{ok, _} ->
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error;
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Err ->
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?ERROR_MSG("failed to lookup bosh session in redis: ~p", [Err]),
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error
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end.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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clean_table() ->
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?INFO_MSG("Cleaning Redis BOSH table...", []),
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case ejabberd_redis:q(["HGETALL", ?BOSH_KEY]) of
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{ok, Vals} ->
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clean_table(Vals);
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Err ->
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?ERROR_MSG("failed to clean bosh table in redis: ~p", [Err])
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end.
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clean_table([SID, PidBin|Vals]) ->
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case binary_to_term(PidBin) of
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Pid when node(Pid) == node() ->
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close_session(SID);
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_ ->
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ok
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end,
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clean_table(Vals);
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clean_table([]) ->
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ok.
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