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%%============================================================================== |
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%% Copyright 2017 Erlang Solutions Ltd. |
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%% |
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%% Licensed under the Apache License, Version 2.0 (the "License"); |
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%% you may not use this file except in compliance with the License. |
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%% You may obtain a copy of the License at |
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%% |
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%% http://www.apache.org/licenses/LICENSE-2.0 |
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%% |
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%% Unless required by applicable law or agreed to in writing, software |
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%% distributed under the License is distributed on an "AS IS" BASIS, |
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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%% See the License for the specific language governing permissions and |
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%% limitations under the License. |
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%%============================================================================== |
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-module(mod_global_distrib_sender). |
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-author('konrad.zemek@erlang-solutions.com'). |
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-behaviour(gen_mod). |
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-behaviour(mongoose_module_metrics). |
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-include("mongoose.hrl"). |
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-include("jlib.hrl"). |
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-include("global_distrib_metrics.hrl"). |
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-export([start/2, stop/1, send/2, get_process_for/1]). |
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%%-------------------------------------------------------------------- |
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%% API |
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%%-------------------------------------------------------------------- |
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-spec send(jid:lserver() | pid(), {jid:jid(), jid:jid(), mongoose_acc:t(), xmlel:packet()}) -> ok. |
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send(Server, {_,_, Acc, _} = Packet) when is_binary(Server) -> |
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:-( |
try get_process_for(Server) of |
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Worker -> |
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:-( |
send(Worker, Packet) |
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catch Class:Reason:Stacktrace -> |
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?LOG_ERROR(#{what => gd_get_process_for_failed, server => Server, acc => Acc, |
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class => Class, reason => Reason, stacktrace => Stacktrace}), |
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erlang:raise(Class, Reason, Stacktrace) |
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end; |
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send(Worker, {From, _To, _Acc, _Packet} = FPacket) -> |
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:-( |
BinPacket = term_to_binary(FPacket), |
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BinFrom = mod_global_distrib_utils:recipient_to_worker_key(From, opt(global_host)), |
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:-( |
Data = <<(byte_size(BinFrom)):16, BinFrom/binary, BinPacket/binary>>, |
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:-( |
Stamp = erlang:monotonic_time(), |
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ok = mod_global_distrib_utils:cast_or_call(Worker, {data, Stamp, Data}). |
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%%-------------------------------------------------------------------- |
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%% gen_mod API |
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%%-------------------------------------------------------------------- |
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-spec start(Host :: jid:lserver(), Opts :: proplists:proplist()) -> any(). |
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start(Host, Opts0) -> |
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:-( |
Opts = [{listen_port, 5555}, |
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{connections_per_endpoint, 1}, |
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{endpoint_refresh_interval_when_empty, 3}, |
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{endpoint_refresh_interval, 60}, |
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{disabled_gc_interval, 60} | Opts0], |
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mod_global_distrib_utils:start(?MODULE, Host, Opts, fun start/0). |
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-spec stop(Host :: jid:lserver()) -> any(). |
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stop(Host) -> |
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mod_global_distrib_utils:stop(?MODULE, Host, fun stop/0). |
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%%-------------------------------------------------------------------- |
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%% Helpers |
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%%-------------------------------------------------------------------- |
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-spec start() -> any(). |
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start() -> |
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opt(tls_opts). %% Check for required tls_opts |
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-spec stop() -> any(). |
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stop() -> |
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:-( |
ok. |
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-spec get_process_for(jid:lserver()) -> pid(). |
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get_process_for(Server) -> |
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mod_global_distrib_outgoing_conns_sup:get_connection(Server). |
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-spec opt(Key :: atom()) -> term(). |
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opt(Key) -> |
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mod_global_distrib_utils:opt(?MODULE, Key). |