Convert request to proplist when logging

src/cowboy_http_protocol.erl

@@ -261,12 +261,13 @@ handler_init(Req, State=#state{transport=Transport,
 			upgrade_protocol(Req, State, Module)
 	catch Class:Reason ->
 		error_terminate(500, State),
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in init/3~n"
 			"   for the reason ~p:~p~n"
 			"** Options were ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
-			[Handler, Class, Reason, Opts, Req, erlang:get_stacktrace()])
+			[Handler, Class, Reason, Opts, PLReq, erlang:get_stacktrace()])
 	end.
 
 -spec upgrade_protocol(#http_req{}, #state{}, atom()) -> ok.
@@ -283,13 +284,14 @@ handler_handle(HandlerState, Req, State=#state{handler={Handler, Opts}}) ->
 		{ok, Req2, HandlerState2} ->
 			terminate_request(HandlerState2, Req2, State)
 	catch Class:Reason ->
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in handle/2~n"
 			"   for the reason ~p:~p~n"
 			"** Options were ~p~n** Handler state was ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
 			[Handler, Class, Reason, Opts,
-			 HandlerState, Req, erlang:get_stacktrace()]),
+			 HandlerState, PLReq, erlang:get_stacktrace()]),
 		handler_terminate(HandlerState, Req, State),
 		error_terminate(500, State)
 	end.
@@ -341,13 +343,14 @@ handler_call(HandlerState, Req, State=#state{handler={Handler, Opts}},
 			handler_before_loop(HandlerState2, Req2,
 				State#state{hibernate=true})
 	catch Class:Reason ->
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in info/3~n"
 			"   for the reason ~p:~p~n"
 			"** Options were ~p~n** Handler state was ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
 			[Handler, Class, Reason, Opts,
-			 HandlerState, Req, erlang:get_stacktrace()]),
+			 HandlerState, PLReq, erlang:get_stacktrace()]),
 		handler_terminate(HandlerState, Req, State),
 		error_terminate(500, State)
 	end.
@@ -357,13 +360,14 @@ handler_terminate(HandlerState, Req, #state{handler={Handler, Opts}}) ->
 	try
 		Handler:terminate(Req#http_req{resp_state=locked}, HandlerState)
 	catch Class:Reason ->
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in terminate/2~n"
 			"   for the reason ~p:~p~n"
 			"** Options were ~p~n** Handler state was ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
 			[Handler, Class, Reason, Opts,
-			 HandlerState, Req, erlang:get_stacktrace()])
+			 HandlerState, PLReq, erlang:get_stacktrace()])
 	end.
 
 -spec terminate_request(any(), #http_req{}, #state{}) -> ok.

src/cowboy_http_rest.erl

@@ -68,11 +68,12 @@ upgrade(_ListenerPid, Handler, Opts, Req) ->
 				service_available(Req, #state{handler=Handler})
 		end
 	catch Class:Reason ->
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in rest_init/3~n"
 			"   for the reason ~p:~p~n** Options were ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
-			[Handler, Class, Reason, Opts, Req, erlang:get_stacktrace()]),
+			[Handler, Class, Reason, Opts, PLReq, erlang:get_stacktrace()]),
 		{ok, _Req2} = cowboy_http_req:reply(500, Req),
 		close
 	end.

src/cowboy_http_websocket.erl

@@ -130,11 +130,12 @@ handler_init(State=#state{handler=Handler, opts=Opts},
 			upgrade_denied(Req2)
 	catch Class:Reason ->
 		upgrade_error(Req),
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in websocket_init/3~n"
 			"   for the reason ~p:~p~n** Options were ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
-			[Handler, Class, Reason, Opts, Req, erlang:get_stacktrace()])
+			[Handler, Class, Reason, Opts, PLReq, erlang:get_stacktrace()])
 	end.
 
 -spec upgrade_error(#http_req{}) -> closed.
@@ -395,13 +396,14 @@ handler_call(State=#state{handler=Handler, opts=Opts}, Req, HandlerState,
 		{shutdown, Req2, HandlerState2} ->
 			websocket_close(State, Req2, HandlerState2, {normal, shutdown})
 	catch Class:Reason ->
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in ~p/3~n"
 			"   for the reason ~p:~p~n** Message was ~p~n"
 			"** Options were ~p~n** Handler state was ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
 			[Handler, Callback, Class, Reason, Message, Opts,
-			 HandlerState, Req, erlang:get_stacktrace()]),
+			 HandlerState, PLReq, erlang:get_stacktrace()]),
 		websocket_close(State, Req, HandlerState, {error, handler})
 	end.
 
@@ -443,13 +445,14 @@ handler_terminate(#state{handler=Handler, opts=Opts},
 	try
 		Handler:websocket_terminate(TerminateReason, Req, HandlerState)
 	catch Class:Reason ->
+		PLReq = lists:zip(record_info(fields, http_req), tl(tuple_to_list(Req))),
 		error_logger:error_msg(
 			"** Handler ~p terminating in websocket_terminate/3~n"
 			"   for the reason ~p:~p~n** Initial reason was ~p~n"
 			"** Options were ~p~n** Handler state was ~p~n"
 			"** Request was ~p~n** Stacktrace: ~p~n~n",
 			[Handler, Class, Reason, TerminateReason, Opts,
-			 HandlerState, Req, erlang:get_stacktrace()])
+			 HandlerState, PLReq, erlang:get_stacktrace()])
 	end,
 	closed.