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-module(mod_bosh_cets). |
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-behaviour(mod_bosh_backend). |
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%% mod_bosh_backend callbacks |
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-export([start/0, |
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create_session/1, |
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delete_session/1, |
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get_session/1, |
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get_sessions/0, |
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node_cleanup/1]). |
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-include("mod_bosh.hrl"). |
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-define(TABLE, cets_bosh). |
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-spec start() -> any(). |
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start() -> |
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cets:start(?TABLE, #{keypos => 2}), |
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cets_discovery:add_table(mongoose_cets_discovery, ?TABLE). |
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%% Session key (sid) is unique, so we don't expect conflicts |
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%% So, the confict resolution could be avoided |
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-spec create_session(mod_bosh:session()) -> any(). |
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create_session(Session) -> |
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cets:insert(?TABLE, Session). |
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-spec delete_session(mod_bosh:sid()) -> any(). |
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delete_session(Sid) -> |
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cets:delete(?TABLE, Sid). |
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-spec get_session(mod_bosh:sid()) -> [mod_bosh:session()]. |
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get_session(Sid) -> |
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ets:lookup(?TABLE, Sid). |
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-spec get_sessions() -> [mod_bosh:session()]. |
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get_sessions() -> |
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ets:tab2list(?TABLE). |
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-spec node_cleanup(atom()) -> any(). |
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node_cleanup(Node) -> |
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:-( |
Guard = {'==', {node, '$2'}, Node}, |
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:-( |
R = {'_', '$1', '$2'}, |
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:-( |
cets:ping_all(?TABLE), |
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:-( |
Keys = ets:select(?TABLE, [{R, [Guard], ['$1']}]), |
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:-( |
cets:delete_many(?TABLE, Keys). |