fix issue

apps/iot/src/iot_issue.erl

@@ -14,6 +14,7 @@
 
 %% API
 -export([start_link/1]).
+-export([get_pid/1]).
 
 %% gen_server callbacks
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
@@ -21,16 +22,20 @@
 -define(SERVER, ?MODULE).
 
 -record(state, {
-    issue :: #issue{}
+    issue :: #issue{},
+    timer_ref
 }).
 
 %%%===================================================================
 %%% API
 %%%===================================================================
+
+get_pid(IssueId) when is_integer(IssueId) ->
+    whereis(get_name(IssueId)).
+
 get_name(IssueId) when is_integer(IssueId) ->
     list_to_atom("iot_issue:" ++ integer_to_list(IssueId)).
 
-
 %% @doc Spawns the server and registers the local name (unique)
 -spec(start_link(Issue :: #issue{}) ->
     {ok, Pid :: pid()} | ignore | {error, Reason :: term()}).
@@ -47,9 +52,18 @@ start_link(Issue = #issue{issue_id = IssueId}) ->
 -spec(init(Args :: term()) ->
     {ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
     {stop, Reason :: term()} | ignore).
-init([Issue]) ->
+init([Issue = #issue{timeout = Timeout0, hosts = Hosts}]) ->
-    lager:debug("iot_issue started!!"),
+    lager:debug("iot_issue started!!: ~p", [Issue]),
-    {ok, #state{issue = Issue}}.
+    %% 启动任务定时器, 默认最长为1个小时
+    Timeout = if Timeout0 > 0 -> Timeout0; true -> 3600 end,
+    TimerRef = erlang:start_timer(Timeout * 1000, self(), issue_task_timeout),
+
+    %% TODO 下发数据到主机
+    lists:map(fun(Host) ->
+        iot_emqtt_client:publish(Host, x, 1)
+              end, Hosts),
+
+    {ok, #state{issue = Issue, timer_ref = TimerRef}}.
 
 %% @private
 %% @doc Handling call messages