From: Siraaj Khandkar <siraaj@khandkar.net>
Date: Thu, 20 Aug 2015 04:47:16 +0000 (-0400)
Subject: Log with error logger.
X-Git-Tag: 0.0.0~7
X-Git-Url: https://git.xandkar.net/?p=beam_stats.git;a=commitdiff_plain;h=f079a56c67f6d3210dc1e4e876eab915fe299013

Log with error logger.
---

diff --git a/src/beam_stats_consumer_csv.erl b/src/beam_stats_consumer_csv.erl
index bfa61cd..c9d2785 100644
--- a/src/beam_stats_consumer_csv.erl
+++ b/src/beam_stats_consumer_csv.erl
@@ -1,6 +1,7 @@
 -module(beam_stats_consumer_csv).
 
 -include("include/beam_stats.hrl").
+-include("beam_stats_logging.hrl").
 
 -behaviour(beam_stats_consumer).
 
@@ -56,14 +57,14 @@ terminate(#state{file=FileOpt}) ->
 -spec try_to_write(state(), binary()) ->
     state().
 try_to_write(#state{file=none, path=Path}=State, _) ->
-    io:format("error: file closed: ~s~n", [Path]),
+    ?log_error("Writing to file (~p) failed: no file in state.", [Path]),
     State;
 try_to_write(#state{file={some, File}}=State, Payload) ->
     case file:write(File, Payload)
     of  ok ->
             State
     ;   {error, _}=Error ->
-            io:format("error: file:write/2 failed: ~p~n", [Error]),
+            ?log_error("file:write(~p, ~p) -> ~p", [File, Payload, Error]),
             % TODO: Maybe schedule retry?
             ok = file:close(File),
             State#state{file=none}
@@ -74,11 +75,12 @@ try_to_write(#state{file={some, File}}=State, Payload) ->
 try_to_open_if_no_file(#state{file={some, _}}=State) ->
     State;
 try_to_open_if_no_file(#state{file=none, path=Path}=State) ->
-    case file:open(Path, [append])
+    Options = [append],
+    case file:open(Path, Options)
     of  {ok, File} ->
             State#state{file = {some, File}}
     ;   {error, _}=Error ->
-            io:format("error: file:open/2 failed: ~p~n", [Error]),
+            ?log_error("file:open(~p, ~p) -> ~p", [Path, Options, Error]),
             State#state{file = none}
     end.
 
diff --git a/src/beam_stats_consumer_graphite.erl b/src/beam_stats_consumer_graphite.erl
index be4f1f9..e788d29 100644
--- a/src/beam_stats_consumer_graphite.erl
+++ b/src/beam_stats_consumer_graphite.erl
@@ -1,6 +1,7 @@
 -module(beam_stats_consumer_graphite).
 
 -include("include/beam_stats.hrl").
+-include("beam_stats_logging.hrl").
 
 -behaviour(beam_stats_consumer).
 
@@ -67,7 +68,7 @@ terminate(#state{sock=SockOpt}) ->
 -spec try_to_send(state(), binary()) ->
     state().
 try_to_send(#state{sock=none}=State, _) ->
-    io:format("error: socket closed~n"),
+    ?log_error("Sending failed. No socket in state."),
     % TODO: Maybe schedule retry?
     State;
 try_to_send(#state{sock={some, Sock}}=State, Payload) ->
@@ -75,7 +76,7 @@ try_to_send(#state{sock={some, Sock}}=State, Payload) ->
     of  ok ->
             State
     ;   {error, _}=Error ->
-            io:format("error: gen_tcp:send/2 failed: ~p~n", [Error]),
+            ?log_error("gen_tcp:send(~p, ~p) -> ~p", [Sock, Payload, Error]),
             % TODO: Maybe schedule retry?
             ok = gen_tcp:close(Sock),
             State#state{sock=none}
@@ -93,11 +94,15 @@ try_to_connect_if_no_socket(
     , timeout = Timeout
     }=State
 ) ->
-    case gen_tcp:connect(Host, Port, [binary, {active, false}], Timeout)
+    Options = [binary, {active, false}],
+    case gen_tcp:connect(Host, Port, Options, Timeout)
     of  {ok, Sock} ->
             State#state{sock = {some, Sock}}
     ;   {error, _}=Error ->
-            io:format("error: gen_tcp:connect/4 failed: ~p~n", [Error]),
+            ?log_error(
+                "gen_tcp:connect(~p, ~p, ~p, ~p) -> ~p",
+                [Host, Port, Options, Timeout, Error]
+            ),
             State#state{sock = none}
     end.
 
diff --git a/src/beam_stats_consumer_statsd.erl b/src/beam_stats_consumer_statsd.erl
index 6baf459..97e458d 100644
--- a/src/beam_stats_consumer_statsd.erl
+++ b/src/beam_stats_consumer_statsd.erl
@@ -1,6 +1,7 @@
 -module(beam_stats_consumer_statsd).
 
 -include("include/beam_stats.hrl").
+-include("beam_stats_logging.hrl").
 
 -behaviour(beam_stats_consumer).
 
@@ -99,7 +100,7 @@ terminate(#state{sock=SockOpt}) ->
 -spec try_to_send(state(), binary()) ->
     state().
 try_to_send(#state{sock=none}=State, _) ->
-    io:format("error: socket closed~n"),
+    ?log_error("Sending failed. No socket in state."),
     % TODO: Maybe schedule retry?
     State;
 try_to_send(
@@ -114,7 +115,10 @@ try_to_send(
     of  ok ->
             State
     ;   {error, _}=Error ->
-            io:format("error: gen_udp:send/4 failed: ~p~n", [Error]),
+            ?log_error(
+                "gen_udp:send(~p, ~p, ~p, ~p) -> ~p",
+                [Sock, DstHost, DstPort, Error]
+            ),
             % TODO: Do something with unsent messages?
             ok = gen_udp:close(Sock),
             State#state{sock=none}
@@ -129,7 +133,7 @@ try_to_connect_if_no_socket(#state{sock=none, src_port=SrcPort}=State) ->
     of  {ok, Sock} ->
             State#state{sock = {some, Sock}}
     ;   {error, _}=Error ->
-            io:format("error: gen_udp:open/1 failed: ~p~n", [Error]),
+            ?log_error("gen_udp:open(~p) -> ~p", [SrcPort, Error]),
             State#state{sock = none}
     end.
 
diff --git a/src/beam_stats_logging.hrl b/src/beam_stats_logging.hrl
new file mode 100644
index 0000000..e2f269d
--- /dev/null
+++ b/src/beam_stats_logging.hrl
@@ -0,0 +1,2 @@
+-define(log_error(Format)      , error_logger:error_msg(Format)).
+-define(log_error(Format, Args), error_logger:error_msg(Format, Args)).