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-module(mongoose_wpool_riak). |
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-behaviour(mongoose_wpool). |
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-export([init/0]). |
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-export([start/4]). |
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-export([stop/2]). |
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-export([is_supported_strategy/1]). |
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-export([get_riak_opt/2]). |
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-export([get_riak_opt/3]). |
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-ignore_xref([get_riak_opt/3]). |
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%% -------------------------------------------------------------- |
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%% mongoose_wpool callbacks |
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init() -> |
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:-( |
ok. |
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start(HostType, Tag, WpoolOptsIn, ConnOpts) -> |
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:-( |
ProcName = mongoose_wpool:make_pool_name(riak, HostType, Tag), |
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:-( |
WpoolOpts = wpool_spec(WpoolOptsIn, ConnOpts), |
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:-( |
mongoose_wpool:start_sup_pool(riak, ProcName, WpoolOpts). |
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stop(_, _) -> |
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:-( |
ok. |
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:-( |
is_supported_strategy(available_worker) -> false; |
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:-( |
is_supported_strategy(_) -> true. |
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%% -------------------------------------------------------------- |
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%% Other functions |
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wpool_spec(WpoolOptsIn, ConnOpts) -> |
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:-( |
{_, RiakAddr} = mongoose_wpool_riak:get_riak_opt(address, ConnOpts), |
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:-( |
{_, RiakPort} = mongoose_wpool_riak:get_riak_opt(port, ConnOpts), |
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:-( |
SecurityOptsKeys = [credentials, cacertfile, ssl_opts], |
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:-( |
SecurityOpts = [get_riak_opt(OptKey, ConnOpts) || OptKey <- SecurityOptsKeys], |
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:-( |
RiakPBOpts = [auto_reconnect, keepalive], |
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:-( |
WorkerArgs = maybe_add_additional_opts(RiakPBOpts, SecurityOpts), |
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:-( |
Worker = {riakc_pb_socket, [RiakAddr, RiakPort, WorkerArgs]}, |
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:-( |
[{worker, Worker} | WpoolOptsIn]. |
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%% @doc Gets a particular option from `Opts'. They're expressed as a list |
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%% of tuples where the first element is `OptKey'. If provided `OptKey' doesn't |
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%% exist the `Default' is returned. |
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-spec get_riak_opt(OptKey :: atom(), Opts :: [tuple()], Default :: tuple()) -> |
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tuple(). |
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get_riak_opt(OptKey, Opts, Default) -> |
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:-( |
Opt = get_riak_opt(OptKey, Opts), |
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:-( |
verify_if_riak_opt_exists(Opt, Default). |
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get_riak_opt(OptKey, Opts) -> |
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:-( |
lists:keyfind(OptKey, 1, Opts). |
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:-( |
verify_if_riak_opt_exists(false, Default) -> Default; |
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:-( |
verify_if_riak_opt_exists(Opt, _) -> Opt. |
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%% @doc Merges `AdditionalOpts' into `Opts' if a particular additional option |
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%% exists. |
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-spec maybe_add_additional_opts(Opts :: [term()], |
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AdditionalOpts :: [tuple()]) -> [term()]. |
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maybe_add_additional_opts(Opts, AdditionalOpts) -> |
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:-( |
Opts2 = [verify_if_riak_opt_exists(Opt, []) || Opt <- AdditionalOpts], |
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:-( |
lists:flatten(Opts ++ Opts2). |