A ponte de mensagem EMQX RocketMQ depende principalmente da biblioteca: rocketmq endereço github https://github.com/tlchun/erlang-rocketmq.git
-module(emqx_bridge_rocket_app).
-behaviour(application).
-emqx_plugin(bridge).
-include("../include/emqx_bridge_rocket.hrl").
-export([start/2, stop/1, prep_stop/1]).
start(_Type, _Args) ->
{ok, _} = application:ensure_all_started(rocketmq),
ClientId = emqx_bridge_rocket,
%% 获取rockmq的服务配置
Servers = application:get_env(emqx_bridge_rocket, servers, [{"localhost", 9876}]),
%% 启动
{ok, _Pid} = rocketmq:ensure_supervised_client(ClientId, Servers, #{}),
%% 启动应用监听
{ok, Sup} = emqx_bridge_rocket_sup:start_link(),
%% 启动测量
emqx_bridge_rocket:register_metrics(),
%% 载入生产者
NProducers = emqx_bridge_rocket:load(ClientId),
{ok, Sup, #{client_id => ClientId, n_producers => NProducers}}.
prep_stop(State = #{client_id := ClientId, n_producers := NProducers}) ->
%% 卸载模块
emqx_bridge_rocket:unload(),
%% 循环停止和删除生产者
lists:foreach(fun (Producers) -> rocketmq:stop_and_delete_supervised_producers(Producers) end, NProducers),
%% 停止和删除客户端监控者
ok = rocketmq:stop_and_delete_supervised_client(ClientId),
State.
stop(_) -> ok.