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%%% @doc |
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%% options and defaults: |
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%% * server - (required) |
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%% * path_prefix - "" |
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%% * request_timeout - 2000, |
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%% * http_opts - [] % passed to fusco |
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%%% |
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%%% @end |
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-module(mongoose_wpool_http). |
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-behaviour(mongoose_wpool). |
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-export([init/0]). |
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-export([start/4, stop/2]). |
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-export([get_params/2]). |
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-type path_prefix() :: binary(). |
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-type request_timeout() :: non_neg_integer(). |
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%% -------------------------------------------------------------- |
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%% mongoose_wpool callbacks |
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-spec init() -> ok. |
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init() -> |
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ejabberd_sup:create_ets_table(?MODULE, [named_table, public, {read_concurrency, true}]). |
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-spec start(mongooseim:host_type_or_global(), mongoose_wpool:tag(), |
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mongoose_wpool:pool_opts(), mongoose_wpool:conn_opts()) -> {ok, pid()} | {error, any()}. |
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start(HostType, Tag, WpoolOptsIn, ConnOpts) -> |
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Name = mongoose_wpool:make_pool_name(http, HostType, Tag), |
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WpoolOpts = wpool_spec(WpoolOptsIn, ConnOpts), |
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#{path_prefix := PathPrefix, request_timeout := RequestTimeout} = ConnOpts, |
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case mongoose_wpool:start_sup_pool(http, Name, WpoolOpts) of |
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{ok, Pid} -> |
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ets:insert(?MODULE, {{HostType, Tag}, PathPrefix, RequestTimeout}), |
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{ok, Pid}; |
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Other -> |
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:-( |
Other |
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end. |
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-spec stop(mongooseim:host_type_or_global(), mongoose_wpool:tag()) -> ok. |
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stop(HostType, Tag) -> |
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true = ets:delete(?MODULE, {HostType, Tag}), |
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ok. |
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%% -------------------------------------------------------------- |
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%% Other API functions |
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-spec get_params(HostType :: mongooseim:host_type_or_global(), |
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Tag :: mongoose_wpool:tag()) -> |
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{ok, PathPrefix :: path_prefix(), RequestTimeout :: request_timeout()} |
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| {error, pool_not_started}. |
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get_params(HostType, Tag) -> |
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case {ets:lookup(?MODULE, {HostType, Tag}), HostType} of |
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:-( |
{[], global} -> {error, pool_not_started}; |
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:-( |
{[], _} -> get_params(global, Tag); |
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{[{_, PathPrefix, RequestTimeout}], _} -> {ok, PathPrefix, RequestTimeout} |
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end. |
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%% -------------------------------------------------------------- |
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%% Internal functions |
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wpool_spec(WpoolOptsIn, #{host := Host} = ConnOpts) -> |
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HTTPOpts = http_opts(ConnOpts), |
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Worker = {fusco, {Host, [{connect_options, HTTPOpts}]}}, |
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[{worker, Worker} | WpoolOptsIn]. |
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http_opts(#{tls := TLSOpts}) -> |
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:-( |
just_tls:make_ssl_opts(TLSOpts); |
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http_opts(#{}) -> |
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[]. |