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-rw-r--r--src/cowboy_handler.erl5
-rw-r--r--src/cowboy_loop.erl10
-rw-r--r--src/cowboy_rest.erl42
-rw-r--r--src/cowboy_stream_h.erl12
-rw-r--r--src/cowboy_websocket.erl10
5 files changed, 22 insertions, 57 deletions
diff --git a/src/cowboy_handler.erl b/src/cowboy_handler.erl
index 7fb2dd5..af21342 100644
--- a/src/cowboy_handler.erl
+++ b/src/cowboy_handler.erl
@@ -36,7 +36,7 @@
-spec execute(Req, Env) -> {ok, Req, Env}
when Req::cowboy_req:req(), Env::cowboy_middleware:env().
execute(Req, Env=#{handler := Handler, handler_opts := HandlerOpts}) ->
- case Handler:init(Req, HandlerOpts) of
+ try Handler:init(Req, HandlerOpts) of
{ok, Req2, State} ->
Result = terminate(normal, Req2, State, Handler),
{ok, Req2, [{result, Result}|Env]};
@@ -48,6 +48,9 @@ execute(Req, Env=#{handler := Handler, handler_opts := HandlerOpts}) ->
Mod:upgrade(Req2, Env, Handler, State, Timeout, run);
{Mod, Req2, State, Timeout, hibernate} ->
Mod:upgrade(Req2, Env, Handler, State, Timeout, hibernate)
+ catch Class:Reason ->
+ terminate({crash, Class, Reason}, Req, HandlerOpts, Handler),
+ erlang:raise(Class, Reason, erlang:get_stacktrace())
end.
-spec terminate(any(), Req, any(), module()) -> ok when Req::cowboy_req:req().
diff --git a/src/cowboy_loop.erl b/src/cowboy_loop.erl
index 0db56db..8acf896 100644
--- a/src/cowboy_loop.erl
+++ b/src/cowboy_loop.erl
@@ -115,16 +115,8 @@ call(Req, State, Handler, HandlerState, Message) ->
{stop, Req2, HandlerState2} ->
terminate(Req2, State, Handler, HandlerState2, stop)
catch Class:Reason ->
- Stacktrace = erlang:get_stacktrace(),
cowboy_handler:terminate({crash, Class, Reason}, Req, HandlerState, Handler),
- exit({cowboy_handler, [
- {class, Class},
- {reason, Reason},
- {mfa, {Handler, info, 3}},
- {stacktrace, Stacktrace},
- {req, Req},
- {state, HandlerState}
- ]})
+ erlang:raise(Class, Reason, erlang:get_stacktrace())
end.
terminate(Req, #state{env=Env, timeout_ref=TRef},
diff --git a/src/cowboy_rest.erl b/src/cowboy_rest.erl
index 55b4e22..b760df2 100644
--- a/src/cowboy_rest.erl
+++ b/src/cowboy_rest.erl
@@ -654,7 +654,7 @@ variances(Req, State=#state{content_types_p=CTP,
resource_exists(Req3, State2)
end
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, variances)
+ error_terminate(Req, State, Class, Reason)
end.
variances(Req, State, Variances) ->
@@ -693,7 +693,7 @@ if_match(Req, State, EtagsList) ->
false -> precondition_failed(Req2, State2)
end
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, generate_etag)
+ error_terminate(Req, State, Class, Reason)
end.
if_match_must_not_exist(Req, State) ->
@@ -721,7 +721,7 @@ if_unmodified_since(Req, State, IfUnmodifiedSince) ->
false -> if_none_match_exists(Req2, State2)
end
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, last_modified)
+ error_terminate(Req, State, Class, Reason)
end.
if_none_match_exists(Req, State) ->
@@ -747,7 +747,7 @@ if_none_match(Req, State, EtagsList) ->
end
end
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, generate_etag)
+ error_terminate(Req, State, Class, Reason)
end.
%% Weak Etag comparison: only check the opaque tag.
@@ -790,7 +790,7 @@ if_modified_since(Req, State, IfModifiedSince) ->
false -> not_modified(Req2, State2)
end
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, last_modified)
+ error_terminate(Req, State, Class, Reason)
end.
not_modified(Req, State) ->
@@ -801,10 +801,10 @@ not_modified(Req, State) ->
{Req4, State3} ->
respond(Req4, State3, 304)
catch Class:Reason ->
- error_terminate(Req, State2, Class, Reason, expires)
+ error_terminate(Req, State2, Class, Reason)
end
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, generate_etag)
+ error_terminate(Req, State, Class, Reason)
end.
precondition_failed(Req, State) ->
@@ -951,7 +951,7 @@ process_content_type(Req, State=#state{method=Method, exists=Exists}, Fun) ->
true -> respond(Req3, State2, 201)
end
end catch Class:Reason = {case_clause, no_call} ->
- error_terminate(Req, State, Class, Reason, Fun)
+ error_terminate(Req, State, Class, Reason)
end.
%% If PUT was used then the resource has been created at the current URL.
@@ -978,7 +978,7 @@ set_resp_body_etag(Req, State) ->
{Req2, State2} ->
set_resp_body_last_modified(Req2, State2)
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, generate_etag)
+ error_terminate(Req, State, Class, Reason)
end.
%% Set the Last-Modified header if any for the response provided.
@@ -995,7 +995,7 @@ set_resp_body_last_modified(Req, State) ->
set_resp_body_expires(Req3, State2)
end
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, last_modified)
+ error_terminate(Req, State, Class, Reason)
end.
%% Set the Expires header if any for the response provided.
@@ -1004,7 +1004,7 @@ set_resp_body_expires(Req, State) ->
{Req2, State2} ->
set_resp_body(Req2, State2)
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, expires)
+ error_terminate(Req, State, Class, Reason)
end.
%% Set the response headers and call the callback found using
@@ -1028,7 +1028,7 @@ set_resp_body(Req, State=#state{content_type_a={_, Callback}}) ->
end,
multiple_choices(Req3, State2)
end catch Class:Reason = {case_clause, no_call} ->
- error_terminate(Req, State, Class, Reason, Callback)
+ error_terminate(Req, State, Class, Reason)
end.
multiple_choices(Req, State) ->
@@ -1131,7 +1131,7 @@ call(Req, State=#state{handler=Handler, handler_state=HandlerState},
try
Handler:Callback(Req, HandlerState)
catch Class:Reason ->
- error_terminate(Req, State, Class, Reason, Callback)
+ error_terminate(Req, State, Class, Reason)
end;
false ->
no_call
@@ -1152,20 +1152,10 @@ next(Req, State, StatusCode) when is_integer(StatusCode) ->
respond(Req, State, StatusCode) ->
terminate(cowboy_req:reply(StatusCode, Req), State).
--spec error_terminate(cowboy_req:req(), #state{}, atom(), any(), atom()) -> no_return().
-error_terminate(Req, #state{handler=Handler, handler_state=HandlerState},
- Class, Reason, Callback) ->
- Stacktrace = erlang:get_stacktrace(),
- cowboy_req:maybe_reply(Stacktrace, Req),
+-spec error_terminate(cowboy_req:req(), #state{}, atom(), any()) -> no_return().
+error_terminate(Req, #state{handler=Handler, handler_state=HandlerState}, Class, Reason) ->
cowboy_handler:terminate({crash, Class, Reason}, Req, HandlerState, Handler),
- exit({cowboy_handler, [
- {class, Class},
- {reason, Reason},
- {mfa, {Handler, Callback, 2}},
- {stacktrace, Stacktrace},
- {req, Req},
- {state, HandlerState}
- ]}).
+ erlang:raise(Class, Reason, erlang:get_stacktrace()).
terminate(Req, #state{handler=Handler, handler_state=HandlerState}) ->
Result = cowboy_handler:terminate(normal, Req, HandlerState, Handler),
diff --git a/src/cowboy_stream_h.erl b/src/cowboy_stream_h.erl
index 92be76d..a7ce721 100644
--- a/src/cowboy_stream_h.erl
+++ b/src/cowboy_stream_h.erl
@@ -69,18 +69,6 @@ data(_StreamID, IsFin, Data, State=#state{pid=Pid, read_body_ref=Ref,
-spec info(_,_,_) -> _.
info(_StreamID, {'EXIT', Pid, normal}, State=#state{pid=Pid}) ->
{[stop], State};
-%% @todo Transition.
-%% In the future it would be better to simplify things
-%% and only catch this at the stream level.
-%%
-%% Maybe we don't need specific error messages
-%% for every single callbacks anymore?
-info(_StreamID, Exit = {'EXIT', Pid, {cowboy_handler, _}}, State=#state{pid=Pid}) ->
- %% No crash report; one has already been sent.
- {[
- {error_response, 500, #{<<"content-length">> => <<"0">>}, <<>>},
- {internal_error, Exit, 'Stream process crashed.'}
- ], State};
info(_StreamID, {'EXIT', Pid, {_Reason, [_, {cow_http_hd, _, _, _}|_]}}, State=#state{pid=Pid}) ->
%% @todo Have an option to enable/disable this specific crash report?
%%report_crash(Ref, StreamID, Pid, Reason, Stacktrace),
diff --git a/src/cowboy_websocket.erl b/src/cowboy_websocket.erl
index bcd5fc4..603889f 100644
--- a/src/cowboy_websocket.erl
+++ b/src/cowboy_websocket.erl
@@ -369,15 +369,7 @@ handler_call(State=#state{handler=Handler}, Req, HandlerState,
websocket_close(State, Req2, HandlerState2, stop)
catch Class:Reason ->
_ = websocket_close(State, Req, HandlerState, {crash, Class, Reason}),
- exit({cowboy_handler, [
- {class, Class},
- {reason, Reason},
- {mfa, {Handler, Callback, 3}},
- {stacktrace, erlang:get_stacktrace()},
- {msg, Message},
- {req, Req},
- {state, HandlerState}
- ]})
+ erlang:raise(Class, Reason, erlang:get_stacktrace())
end.
-spec websocket_send(cow_ws:frame(), #state{}) -> ok | stop | {error, atom()}.