Change type #http_req{} to cowboy_req:req()

This removes cowboy_static's dependency on http.hrl.

src/cowboy_protocol.erl

@@ -51,9 +51,9 @@
 	transport :: module(),
 	dispatch :: cowboy_dispatcher:dispatch_rules(),
 	handler :: {module(), any()},
-	onrequest :: undefined | fun((#http_req{}) -> #http_req{}),
+	onrequest :: undefined | fun((cowboy_req:req()) -> cowboy_req:req()),
 	onresponse = undefined :: undefined | fun((cowboy_http:status(),
-		cowboy_http:headers(), #http_req{}) -> #http_req{}),
+		cowboy_http:headers(), cowboy_req:req()) -> cowboy_req:req()),
 	urldecode :: {fun((binary(), T) -> binary()), T},
 	req_empty_lines = 0 :: integer(),
 	max_empty_lines :: integer(),
@@ -164,7 +164,7 @@ request({http_error, <<"\r\n">>}, State=#state{req_empty_lines=N}) ->
 request(_Any, State) ->
 	error_terminate(400, State).
 
--spec parse_header(#http_req{}, #state{}) -> ok.
+-spec parse_header(cowboy_req:req(), #state{}) -> ok.
 parse_header(Req, State=#state{buffer=Buffer, max_line_length=MaxLength}) ->
 	case erlang:decode_packet(httph_bin, Buffer, []) of
 		{ok, Header, Rest} -> header(Header, Req, State#state{buffer=Rest});
@@ -174,7 +174,7 @@ parse_header(Req, State=#state{buffer=Buffer, max_line_length=MaxLength}) ->
 		{error, _Reason} -> error_terminate(400, State)
 	end.
 
--spec wait_header(#http_req{}, #state{}) -> ok.
+-spec wait_header(cowboy_req:req(), #state{}) -> ok.
 wait_header(Req, State=#state{socket=Socket,
 		transport=Transport, timeout=T, buffer=Buffer}) ->
 	case Transport:recv(Socket, 0, T) of
@@ -185,7 +185,7 @@ wait_header(Req, State=#state{socket=Socket,
 	end.
 
 -spec header({http_header, integer(), cowboy_http:header(), any(), binary()}
-	| http_eoh, #http_req{}, #state{}) -> ok.
+	| http_eoh, cowboy_req:req(), #state{}) -> ok.
 header({http_header, _I, 'Host', _R, RawHost}, Req=#http_req{
 		transport=Transport}, State=#state{host_tokens=undefined}) ->
 	RawHost2 = cowboy_bstr:to_lower(RawHost),
@@ -239,7 +239,7 @@ header(_Any, _Req, State) ->
 %% in which case we consider the request handled and move on to the next
 %% one. Note that since we haven't dispatched yet, we don't know the
 %% handler, host_info, path_info or bindings yet.
--spec onrequest(#http_req{}, #state{}) -> ok.
+-spec onrequest(cowboy_req:req(), #state{}) -> ok.
 onrequest(Req, State=#state{onrequest=undefined}) ->
 	dispatch(Req, State);
 onrequest(Req, State=#state{onrequest=OnRequest}) ->
@@ -249,7 +249,7 @@ onrequest(Req, State=#state{onrequest=OnRequest}) ->
 		_ -> next_request(Req2, State, ok)
 	end.
 
--spec dispatch(#http_req{}, #state{}) -> ok.
+-spec dispatch(cowboy_req:req(), #state{}) -> ok.
 dispatch(Req, State=#state{dispatch=Dispatch,
 		host_tokens=HostTokens, path_tokens=PathTokens}) ->
 	case cowboy_dispatcher:match(HostTokens, PathTokens, Dispatch) of
@@ -263,7 +263,7 @@ dispatch(Req, State=#state{dispatch=Dispatch,
 			error_terminate(404, State)
 	end.
 
--spec handler_init(#http_req{}, #state{}) -> ok.
+-spec handler_init(cowboy_req:req(), #state{}) -> ok.
 handler_init(Req, State=#state{transport=Transport,
 		handler={Handler, Opts}}) ->
 	try Handler:init({Transport:name(), http}, Req, Opts) of
@@ -296,7 +296,7 @@ handler_init(Req, State=#state{transport=Transport,
 			[Handler, Class, Reason, Opts, PLReq, erlang:get_stacktrace()])
 	end.
 
--spec upgrade_protocol(#http_req{}, #state{}, atom()) -> ok.
+-spec upgrade_protocol(cowboy_req:req(), #state{}, atom()) -> ok.
 upgrade_protocol(Req, State=#state{listener=ListenerPid,
 		handler={Handler, Opts}}, Module) ->
 	case Module:upgrade(ListenerPid, Handler, Opts, Req) of
@@ -304,7 +304,7 @@ upgrade_protocol(Req, State=#state{listener=ListenerPid,
 		_Any -> terminate(State)
 	end.
 
--spec handler_handle(any(), #http_req{}, #state{}) -> ok.
+-spec handler_handle(any(), cowboy_req:req(), #state{}) -> ok.
 handler_handle(HandlerState, Req, State=#state{handler={Handler, Opts}}) ->
 	try Handler:handle(Req, HandlerState) of
 		{ok, Req2, HandlerState2} ->
@@ -324,7 +324,7 @@ handler_handle(HandlerState, Req, State=#state{handler={Handler, Opts}}) ->
 
 %% We don't listen for Transport closes because that would force us
 %% to receive data and buffer it indefinitely.
--spec handler_before_loop(any(), #http_req{}, #state{}) -> ok.
+-spec handler_before_loop(any(), cowboy_req:req(), #state{}) -> ok.
 handler_before_loop(HandlerState, Req, State=#state{hibernate=true}) ->
 	State2 = handler_loop_timeout(State),
 	catch erlang:hibernate(?MODULE, handler_loop,
@@ -345,7 +345,7 @@ handler_loop_timeout(State=#state{loop_timeout=Timeout,
 	TRef = erlang:start_timer(Timeout, self(), ?MODULE),
 	State#state{loop_timeout_ref=TRef}.
 
--spec handler_loop(any(), #http_req{}, #state{}) -> ok.
+-spec handler_loop(any(), cowboy_req:req(), #state{}) -> ok.
 handler_loop(HandlerState, Req, State=#state{loop_timeout_ref=TRef}) ->
 	receive
 		{timeout, TRef, ?MODULE} ->
@@ -356,7 +356,7 @@ handler_loop(HandlerState, Req, State=#state{loop_timeout_ref=TRef}) ->
 			handler_call(HandlerState, Req, State, Message)
 	end.
 
--spec handler_call(any(), #http_req{}, #state{}, any()) -> ok.
+-spec handler_call(any(), cowboy_req:req(), #state{}, any()) -> ok.
 handler_call(HandlerState, Req, State=#state{handler={Handler, Opts}},
 		Message) ->
 	try Handler:info(Message, Req, HandlerState) of
@@ -380,7 +380,7 @@ handler_call(HandlerState, Req, State=#state{handler={Handler, Opts}},
 		error_terminate(500, State)
 	end.
 
--spec handler_terminate(any(), #http_req{}, #state{}) -> ok.
+-spec handler_terminate(any(), cowboy_req:req(), #state{}) -> ok.
 handler_terminate(HandlerState, Req, #state{handler={Handler, Opts}}) ->
 	try
 		Handler:terminate(Req#http_req{resp_state=locked}, HandlerState)
@@ -395,12 +395,12 @@ handler_terminate(HandlerState, Req, #state{handler={Handler, Opts}}) ->
 			 HandlerState, PLReq, erlang:get_stacktrace()])
 	end.
 
--spec terminate_request(any(), #http_req{}, #state{}) -> ok.
+-spec terminate_request(any(), cowboy_req:req(), #state{}) -> ok.
 terminate_request(HandlerState, Req, State) ->
 	HandlerRes = handler_terminate(HandlerState, Req, State),
 	next_request(Req, State, HandlerRes).
 
--spec next_request(#http_req{}, #state{}, any()) -> ok.
+-spec next_request(cowboy_req:req(), #state{}, any()) -> ok.
 next_request(Req=#http_req{connection=Conn}, State=#state{
 		req_keepalive=Keepalive}, HandlerRes) ->
 	RespRes = ensure_response(Req),
@@ -416,7 +416,7 @@ next_request(Req=#http_req{connection=Conn}, State=#state{
 			terminate(State)
 	end.
 
--spec ensure_body_processed(#http_req{}) -> {ok | close, binary()}.
+-spec ensure_body_processed(cowboy_req:req()) -> {ok | close, binary()}.
 ensure_body_processed(#http_req{body_state=done, buffer=Buffer}) ->
 	{ok, Buffer};
 ensure_body_processed(Req=#http_req{body_state=waiting}) ->
@@ -428,7 +428,7 @@ ensure_body_processed(Req=#http_req{body_state={stream, _, _, _}}) ->
 	{ok, Req2} = cowboy_req:multipart_skip(Req),
 	ensure_body_processed(Req2).
 
--spec ensure_response(#http_req{}) -> ok.
+-spec ensure_response(cowboy_req:req()) -> ok.
 %% The handler has already fully replied to the client.
 ensure_response(#http_req{resp_state=done}) ->
 	ok;

src/cowboy_rest.erl

@@ -54,8 +54,8 @@
 %% You do not need to call this function manually. To upgrade to the REST
 %% protocol, you simply need to return <em>{upgrade, protocol, {@module}}</em>
 %% in your <em>cowboy_http_handler:init/3</em> handler function.
--spec upgrade(pid(), module(), any(), #http_req{})
-	-> {ok, #http_req{}} | close.
+-spec upgrade(pid(), module(), any(), Req)
+	-> {ok, Req} | close when Req::cowboy_req:req().
 upgrade(_ListenerPid, Handler, Opts, Req) ->
 	try
 		case erlang:function_exported(Handler, rest_init, 2) of

src/cowboy_static.erl

@@ -170,7 +170,6 @@
 -module(cowboy_static).
 
 %% include files
--include("http.hrl").
 -include_lib("kernel/include/file.hrl").
 
 %% cowboy_protocol callbacks
@@ -212,7 +211,7 @@ init({_Transport, http}, _Req, _Opts) ->
 
 
 %% @private Set up initial state of REST handler.
--spec rest_init(#http_req{}, list()) -> {ok, #http_req{}, #state{}}.
+-spec rest_init(Req, list()) -> {ok, Req, #state{}} when Req::cowboy_req:req().
 rest_init(Req, Opts) ->
 	Directory = proplists:get_value(directory, Opts),
 	Directory1 = directory_path(Directory),
@@ -247,14 +246,14 @@ rest_init(Req, Opts) ->
 
 
 %% @private Only allow GET and HEAD requests on files.
--spec allowed_methods(#http_req{}, #state{}) ->
-		{[atom()], #http_req{}, #state{}}.
+-spec allowed_methods(Req, #state{})
+	-> {[atom()], Req, #state{}} when Req::cowboy_req:req().
 allowed_methods(Req, State) ->
 	{['GET', 'HEAD'], Req, State}.
 
 %% @private
--spec malformed_request(#http_req{}, #state{}) ->
-		{boolean(), #http_req{}, #state{}}.
+-spec malformed_request(Req, #state{})
+	-> {boolean(), Req, #state{}} when Req::cowboy_req:req().
 malformed_request(Req, #state{filepath=error}=State) ->
 	{true, Req, State};
 malformed_request(Req, State) ->
@@ -262,8 +261,8 @@ malformed_request(Req, State) ->
 
 
 %% @private Check if the resource exists under the document root.
--spec resource_exists(#http_req{}, #state{}) ->
-		{boolean(), #http_req{}, #state{}}.
+-spec resource_exists(Req, #state{})
+	-> {boolean(), Req, #state{}} when Req::cowboy_req:req().
 resource_exists(Req, #state{fileinfo={error, _}}=State) ->
 	{false, Req, State};
 resource_exists(Req, #state{fileinfo={ok, Fileinfo}}=State) ->
@@ -273,7 +272,8 @@ resource_exists(Req, #state{fileinfo={ok, Fileinfo}}=State) ->
 %% @private
 %% Access to a file resource is forbidden if it exists and the local node does
 %% not have permission to read it. Directory listings are always forbidden.
--spec forbidden(#http_req{}, #state{}) -> {boolean(), #http_req{}, #state{}}.
+-spec forbidden(Req, #state{})
+	-> {boolean(), Req, #state{}} when Req::cowboy_req:req().
 forbidden(Req, #state{fileinfo={_, #file_info{type=directory}}}=State) ->
 	{true, Req, State};
 forbidden(Req, #state{fileinfo={error, eacces}}=State) ->
@@ -285,8 +285,8 @@ forbidden(Req, #state{fileinfo={ok, #file_info{access=Access}}}=State) ->
 
 
 %% @private Read the time a file system system object was last modified.
--spec last_modified(#http_req{}, #state{}) ->
-		{calendar:datetime(), #http_req{}, #state{}}.
+-spec last_modified(Req, #state{})
+	-> {calendar:datetime(), Req, #state{}} when Req::cowboy_req:req().
 last_modified(Req, #state{fileinfo={ok, #file_info{mtime=Modified}}}=State) ->
 	{Modified, Req, State}.
 
@@ -294,8 +294,8 @@ last_modified(Req, #state{fileinfo={ok, #file_info{mtime=Modified}}}=State) ->
 %% @private Generate the ETag header value for this file.
 %% The ETag header value is only generated if the resource is a file that
 %% exists in document root.
--spec generate_etag(#http_req{}, #state{}) ->
-	{undefined | binary(), #http_req{}, #state{}}.
+-spec generate_etag(Req, #state{})
+	-> {undefined | binary(), Req, #state{}} when Req::cowboy_req:req().
 generate_etag(Req, #state{fileinfo={_, #file_info{type=regular, inode=INode,
 		mtime=Modified, size=Filesize}}, filepath=Filepath,
 		etag_fun={ETagFun, ETagData}}=State) ->
@@ -308,7 +308,7 @@ generate_etag(Req, State) ->
 
 
 %% @private Return the content type of a file.
--spec content_types_provided(#http_req{}, #state{}) -> tuple().
+-spec content_types_provided(cowboy_req:req(), #state{}) -> tuple().
 content_types_provided(Req, #state{filepath=Filepath,
 		mimetypes={MimetypesFun, MimetypesData}}=State) ->
 	Mimetypes = [{T, file_contents}
@@ -317,7 +317,7 @@ content_types_provided(Req, #state{filepath=Filepath,
 
 
 %% @private Return a function that writes a file directly to the socket.
--spec file_contents(#http_req{}, #state{}) -> tuple().
+-spec file_contents(cowboy_req:req(), #state{}) -> tuple().
 file_contents(Req, #state{filepath=Filepath,
 		fileinfo={ok, #file_info{size=Filesize}}}=State) ->
 	{ok, Transport, Socket} = cowboy_req:transport(Req),

src/cowboy_websocket.erl

@@ -58,7 +58,7 @@
 %% You do not need to call this function manually. To upgrade to the WebSocket
 %% protocol, you simply need to return <em>{upgrade, protocol, {@module}}</em>
 %% in your <em>cowboy_http_handler:init/3</em> handler function.
--spec upgrade(pid(), module(), any(), #http_req{}) -> closed.
+-spec upgrade(pid(), module(), any(), cowboy_req:req()) -> closed.
 upgrade(ListenerPid, Handler, Opts, Req) ->
 	ranch_listener:remove_connection(ListenerPid),
 	case catch websocket_upgrade(#state{handler=Handler, opts=Opts}, Req) of
@@ -66,7 +66,8 @@ upgrade(ListenerPid, Handler, Opts, Req) ->
 		{'EXIT', _Reason} -> upgrade_error(Req)
 	end.
 
--spec websocket_upgrade(#state{}, #http_req{}) -> {ok, #state{}, #http_req{}}.
+-spec websocket_upgrade(#state{}, Req)
+	-> {ok, #state{}, Req} when Req::cowboy_req:req().
 websocket_upgrade(State, Req) ->
 	{ConnTokens, Req2}
 		= cowboy_req:parse_header('Connection', Req),
@@ -78,8 +79,8 @@ websocket_upgrade(State, Req) ->
 
 %% @todo Handle the Sec-Websocket-Protocol header.
 %% @todo Reply a proper error, don't die, if a required header is undefined.
--spec websocket_upgrade(undefined | <<_:8>>, #state{}, #http_req{})
-	-> {ok, #state{}, #http_req{}}.
+-spec websocket_upgrade(undefined | <<_:8>>, #state{}, Req)
+	-> {ok, #state{}, Req} when Req::cowboy_req:req().
 %% No version given. Assuming hixie-76 draft.
 %%
 %% We need to wait to send a reply back before trying to read the
@@ -105,7 +106,7 @@ websocket_upgrade(Version, State, Req=#http_req{meta=Meta})
 	{ok, State#state{version=IntVersion, challenge=Challenge},
 		Req2#http_req{meta=[{websocket_version, IntVersion}|Meta]}}.
 
--spec handler_init(#state{}, #http_req{}) -> closed.
+-spec handler_init(#state{}, cowboy_req:req()) -> closed.
 handler_init(State=#state{handler=Handler, opts=Opts},
 		Req=#http_req{transport=Transport}) ->
 	try Handler:websocket_init(Transport:name(), Req, Opts) of
@@ -132,14 +133,14 @@ handler_init(State=#state{handler=Handler, opts=Opts},
 			[Handler, Class, Reason, Opts, PLReq, erlang:get_stacktrace()])
 	end.
 
--spec upgrade_error(#http_req{}) -> closed.
+-spec upgrade_error(cowboy_req:req()) -> closed.
 upgrade_error(Req) ->
 	{ok, _Req2} = cowboy_req:reply(400, [], [],
 		Req#http_req{resp_state=waiting}),
 	closed.
 
 %% @see cowboy_protocol:ensure_response/1
--spec upgrade_denied(#http_req{}) -> closed.
+-spec upgrade_denied(cowboy_req:req()) -> closed.
 upgrade_denied(#http_req{resp_state=done}) ->
 	closed;
 upgrade_denied(Req=#http_req{resp_state=waiting}) ->
@@ -152,7 +153,7 @@ upgrade_denied(#http_req{socket=Socket, transport=Transport,
 	Transport:send(Socket, <<"0\r\n\r\n">>),
 	closed.
 
--spec websocket_handshake(#state{}, #http_req{}, any()) -> closed.
+-spec websocket_handshake(#state{}, cowboy_req:req(), any()) -> closed.
 websocket_handshake(State=#state{version=0, origin=Origin,
 		challenge={Key1, Key2}}, Req=#http_req{socket=Socket,
 		transport=Transport, host=Host, port=Port,
@@ -196,7 +197,7 @@ websocket_handshake(State=#state{challenge=Challenge},
 	handler_before_loop(State#state{messages=Transport:messages()},
 		Req2, HandlerState, <<>>).
 
--spec handler_before_loop(#state{}, #http_req{}, any(), binary()) -> closed.
+-spec handler_before_loop(#state{}, cowboy_req:req(), any(), binary()) -> closed.
 handler_before_loop(State=#state{hibernate=true},
 		Req=#http_req{socket=Socket, transport=Transport},
 		HandlerState, SoFar) ->
@@ -221,7 +222,7 @@ handler_loop_timeout(State=#state{timeout=Timeout, timeout_ref=PrevRef}) ->
 	State#state{timeout_ref=TRef}.
 
 %% @private
--spec handler_loop(#state{}, #http_req{}, any(), binary()) -> closed.
+-spec handler_loop(#state{}, cowboy_req:req(), any(), binary()) -> closed.
 handler_loop(State=#state{messages={OK, Closed, Error}, timeout_ref=TRef},
 		Req=#http_req{socket=Socket}, HandlerState, SoFar) ->
 	receive
@@ -241,7 +242,7 @@ handler_loop(State=#state{messages={OK, Closed, Error}, timeout_ref=TRef},
 				SoFar, websocket_info, Message, fun handler_before_loop/4)
 	end.
 
--spec websocket_data(#state{}, #http_req{}, any(), binary()) -> closed.
+-spec websocket_data(#state{}, cowboy_req:req(), any(), binary()) -> closed.
 %% No more data.
 websocket_data(State, Req, HandlerState, <<>>) ->
 	handler_before_loop(State, Req, HandlerState, <<>>);
@@ -299,7 +300,7 @@ websocket_data(State, Req, HandlerState, _Data) ->
 	websocket_close(State, Req, HandlerState, {error, badframe}).
 
 
--spec websocket_data(#state{}, #http_req{}, any(), non_neg_integer(),
+-spec websocket_data(#state{}, cowboy_req:req(), any(), non_neg_integer(),
 		non_neg_integer(), non_neg_integer(), non_neg_integer(),
 		non_neg_integer(), binary(), binary()) -> closed.
 %% A fragmented message MUST start a non-zero opcode.
@@ -355,7 +356,7 @@ websocket_data(State, Req, HandlerState, _Fin, _Rsv, _Opcode, _Mask,
 
 
 %% hybi routing depending on whether unmasking is needed.
--spec websocket_before_unmask(#state{}, #http_req{}, any(), binary(),
+-spec websocket_before_unmask(#state{}, cowboy_req:req(), any(), binary(),
 	binary(), opcode(), 0 | 1, non_neg_integer() | undefined) -> closed.
 websocket_before_unmask(State, Req, HandlerState, Data,
 		Rest, Opcode, Mask, PayloadLen) ->
@@ -372,14 +373,14 @@ websocket_before_unmask(State, Req, HandlerState, Data,
 	end.
 
 %% hybi unmasking.
--spec websocket_unmask(#state{}, #http_req{}, any(), binary(),
+-spec websocket_unmask(#state{}, cowboy_req:req(), any(), binary(),
 	opcode(), binary(), mask_key()) -> closed.
 websocket_unmask(State, Req, HandlerState, RemainingData,
 		Opcode, Payload, MaskKey) ->
 	websocket_unmask(State, Req, HandlerState, RemainingData,
 		Opcode, Payload, MaskKey, <<>>).
 
--spec websocket_unmask(#state{}, #http_req{}, any(), binary(),
+-spec websocket_unmask(#state{}, cowboy_req:req(), any(), binary(),
 	opcode(), binary(), mask_key(), binary()) -> closed.
 websocket_unmask(State, Req, HandlerState, RemainingData,
 		Opcode, << O:32, Rest/bits >>, MaskKey, Acc) ->
@@ -410,7 +411,7 @@ websocket_unmask(State, Req, HandlerState, RemainingData,
 		Opcode, Acc).
 
 %% hybi dispatching.
--spec websocket_dispatch(#state{}, #http_req{}, any(), binary(),
+-spec websocket_dispatch(#state{}, cowboy_req:req(), any(), binary(),
 	opcode(), binary()) -> closed.
 %% First frame of a fragmented message unmasked. Expect intermediate or last.
 websocket_dispatch(State=#state{frag_state={nofin, Opcode}}, Req, HandlerState,
@@ -452,7 +453,7 @@ websocket_dispatch(State, Req, HandlerState, RemainingData, 10, Payload) ->
 	handler_call(State, Req, HandlerState, RemainingData,
 		websocket_handle, {pong, Payload}, fun websocket_data/4).
 
--spec handler_call(#state{}, #http_req{}, any(), binary(),
+-spec handler_call(#state{}, cowboy_req:req(), any(), binary(),
 	atom(), any(), fun()) -> closed.
 handler_call(State=#state{handler=Handler, opts=Opts}, Req, HandlerState,
 		RemainingData, Callback, Message, NextState) ->
@@ -483,7 +484,7 @@ handler_call(State=#state{handler=Handler, opts=Opts}, Req, HandlerState,
 		websocket_close(State, Req, HandlerState, {error, handler})
 	end.
 
--spec websocket_send(binary(), #state{}, #http_req{}) -> closed | ignore.
+-spec websocket_send(binary(), #state{}, cowboy_req:req()) -> closed | ignore.
 %% hixie-76 text frame.
 websocket_send({text, Payload}, #state{version=0},
 		#http_req{socket=Socket, transport=Transport}) ->
@@ -503,7 +504,8 @@ websocket_send({Type, Payload}, _State,
 	Transport:send(Socket, [<< 1:1, 0:3, Opcode:4, 0:1, Len/bits >>,
 		Payload]).
 
--spec websocket_close(#state{}, #http_req{}, any(), {atom(), atom()}) -> closed.
+-spec websocket_close(#state{}, cowboy_req:req(), any(), {atom(), atom()})
+	-> closed.
 websocket_close(State=#state{version=0}, Req=#http_req{socket=Socket,
 		transport=Transport}, HandlerState, Reason) ->
 	Transport:send(Socket, << 255, 0 >>),
@@ -514,7 +516,7 @@ websocket_close(State, Req=#http_req{socket=Socket,
 	Transport:send(Socket, << 1:1, 0:3, 8:4, 0:8 >>),
 	handler_terminate(State, Req, HandlerState, Reason).
 
--spec handler_terminate(#state{}, #http_req{},
+-spec handler_terminate(#state{}, cowboy_req:req(),
 	any(), atom() | {atom(), atom()}) -> closed.
 handler_terminate(#state{handler=Handler, opts=Opts},
 		Req, HandlerState, TerminateReason) ->