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-rw-r--r--src/cowboy.erl7
-rw-r--r--src/cowboy_acceptor.erl12
-rw-r--r--src/cowboy_acceptors_sup.erl7
-rw-r--r--src/cowboy_app.erl8
-rw-r--r--src/cowboy_clock.erl9
-rw-r--r--src/cowboy_dispatcher.erl35
-rw-r--r--src/cowboy_http_protocol.erl49
-rw-r--r--src/cowboy_http_req.erl100
-rw-r--r--src/cowboy_http_websocket.erl43
-rw-r--r--src/cowboy_listener_sup.erl8
-rw-r--r--src/cowboy_requests_sup.erl7
-rw-r--r--src/cowboy_ssl_transport.erl44
-rw-r--r--src/cowboy_sup.erl4
-rw-r--r--src/cowboy_tcp_transport.erl30
14 files changed, 160 insertions, 203 deletions
diff --git a/src/cowboy.erl b/src/cowboy.erl
index 6aa5786..a1e8063 100644
--- a/src/cowboy.erl
+++ b/src/cowboy.erl
@@ -17,9 +17,8 @@
%% API.
--spec start_listener(Ref::term(), NbAcceptors::non_neg_integer(),
- Transport::module(), TransOpts::term(), Protocol::module(),
- ProtoOpts::term()) -> {ok, Pid::pid()}.
+-spec start_listener(any(), non_neg_integer(), module(), any(), module(), any())
+ -> {ok, pid()}.
start_listener(Ref, NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts) ->
supervisor:start_child(cowboy_sup,
{{cowboy_listener_sup, Ref}, {cowboy_listener_sup, start_link, [
@@ -27,7 +26,7 @@ start_listener(Ref, NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts) ->
]},
permanent, 5000, supervisor, [cowboy_listener_sup]}).
--spec stop_listener(Ref::term()) -> ok | {error, not_found}.
+-spec stop_listener(any()) -> ok | {error, not_found}.
stop_listener(Ref) ->
case supervisor:terminate_child(cowboy_sup, {cowboy_listener_sup, Ref}) of
ok ->
diff --git a/src/cowboy_acceptor.erl b/src/cowboy_acceptor.erl
index 9bcc733..830828e 100644
--- a/src/cowboy_acceptor.erl
+++ b/src/cowboy_acceptor.erl
@@ -18,9 +18,8 @@
%% API.
--spec start_link(LSocket::inet:socket(), Transport::module(),
- Protocol::module(), Opts::term(),
- MaxConns::non_neg_integer(), ReqsSup::pid()) -> {ok, Pid::pid()}.
+-spec start_link(inet:socket(), module(), module(), any(),
+ non_neg_integer(), pid()) -> {ok, pid()}.
start_link(LSocket, Transport, Protocol, Opts, MaxConns, ReqsSup) ->
Pid = spawn_link(?MODULE, acceptor,
[LSocket, Transport, Protocol, Opts, MaxConns, ReqsSup]),
@@ -28,9 +27,8 @@ start_link(LSocket, Transport, Protocol, Opts, MaxConns, ReqsSup) ->
%% Internal.
--spec acceptor(LSocket::inet:socket(), Transport::module(),
- Protocol::module(), Opts::term(),
- MaxConns::non_neg_integer(), ReqsSup::pid()) -> no_return().
+-spec acceptor(inet:socket(), module(), module(), any(),
+ non_neg_integer(), pid()) -> no_return().
acceptor(LSocket, Transport, Protocol, Opts, MaxConns, ReqsSup) ->
case Transport:accept(LSocket, 2000) of
{ok, CSocket} ->
@@ -47,7 +45,7 @@ acceptor(LSocket, Transport, Protocol, Opts, MaxConns, ReqsSup) ->
end,
?MODULE:acceptor(LSocket, Transport, Protocol, Opts, MaxConns, ReqsSup).
--spec limit_reqs(MaxConns::non_neg_integer(), ReqsSup::pid()) -> ok.
+-spec limit_reqs(non_neg_integer(), pid()) -> ok.
limit_reqs(MaxConns, ReqsSup) ->
Counts = supervisor:count_children(ReqsSup),
Active = lists:keyfind(active, 1, Counts),
diff --git a/src/cowboy_acceptors_sup.erl b/src/cowboy_acceptors_sup.erl
index f5b2de3..d0ab77e 100644
--- a/src/cowboy_acceptors_sup.erl
+++ b/src/cowboy_acceptors_sup.erl
@@ -20,16 +20,15 @@
%% API.
--spec start_link(NbAcceptors::non_neg_integer(), Transport::module(),
- TransOpts::term(), Protocol::module(), ProtoOpts::term(), ReqsPid::pid())
- -> {ok, Pid::pid()}.
+-spec start_link(non_neg_integer(), module(), any(), module(), any(), pid())
+ -> {ok, pid()}.
start_link(NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts, ReqsPid) ->
supervisor:start_link(?MODULE, [NbAcceptors,
Transport, TransOpts, Protocol, ProtoOpts, ReqsPid]).
%% supervisor.
--spec init(list(term())) -> term(). %% @todo These specs should be improved.
+-spec init(list()) -> {ok, {{one_for_one, 10, 10}, list()}}.
init([NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts, ReqsPid]) ->
{ok, LSocket} = Transport:listen(TransOpts),
MaxConns = proplists:get_value(max_connections, TransOpts, 1024),
diff --git a/src/cowboy_app.erl b/src/cowboy_app.erl
index 702d9ce..91f9818 100644
--- a/src/cowboy_app.erl
+++ b/src/cowboy_app.erl
@@ -17,15 +17,15 @@
-export([start/2, stop/1]). %% API.
--type application_start_type() :: normal |
- {takeover, Node::node()} | {failover, Node::node()}.
+-type application_start_type() :: normal
+ | {takeover, node()} | {failover, node()}.
%% API.
--spec start(Type::application_start_type(), Args::term()) -> {ok, Pid::pid()}.
+-spec start(application_start_type(), any()) -> {ok, pid()}.
start(_Type, _Args) ->
cowboy_sup:start_link().
--spec stop(State::term()) -> ok.
+-spec stop(any()) -> ok.
stop(_State) ->
ok.
diff --git a/src/cowboy_clock.erl b/src/cowboy_clock.erl
index 6d8d8f9..f53c81a 100644
--- a/src/cowboy_clock.erl
+++ b/src/cowboy_clock.erl
@@ -46,7 +46,7 @@
%% API.
--spec start_link() -> {ok, Pid::pid()}.
+-spec start_link() -> {ok, pid()}.
start_link() ->
gen_server:start_link({local, ?SERVER}, ?MODULE, [], []).
@@ -96,8 +96,7 @@ code_change(_OldVsn, State, _Extra) ->
%% Internal.
--spec update_rfc1123(Prev::undefined | datetime(), Now::datetime(),
- Bin::binary()) -> binary().
+-spec update_rfc1123(undefined | datetime(), datetime(), binary()) -> binary().
update_rfc1123(Now, Now, Bin) ->
Bin;
update_rfc1123({Date, {H, M, _}}, {Date, {H, M, S}},
@@ -136,7 +135,7 @@ pad_int(X) when X < 10 ->
pad_int(X) ->
list_to_binary(integer_to_list(X)).
--spec weekday(daynum()) -> binary().
+-spec weekday(daynum()) -> <<_:24>>.
weekday(1) -> <<"Mon">>;
weekday(2) -> <<"Tue">>;
weekday(3) -> <<"Wed">>;
@@ -145,7 +144,7 @@ weekday(5) -> <<"Fri">>;
weekday(6) -> <<"Sat">>;
weekday(7) -> <<"Sun">>.
--spec month(month()) -> binary().
+-spec month(month()) -> <<_:24>>.
month( 1) -> <<"Jan">>;
month( 2) -> <<"Feb">>;
month( 3) -> <<"Mar">>;
diff --git a/src/cowboy_dispatcher.erl b/src/cowboy_dispatcher.erl
index 67a7bf6..e34a4eb 100644
--- a/src/cowboy_dispatcher.erl
+++ b/src/cowboy_dispatcher.erl
@@ -16,22 +16,21 @@
-module(cowboy_dispatcher).
-export([split_host/1, split_path/1, match/3]). %% API.
--type bindings() :: list({Key::atom(), Value::binary()}).
+-type bindings() :: list({atom(), binary()}).
-type path_tokens() :: list(binary()).
-type match_rule() :: '_' | '*' | list(binary() | '_' | atom()).
--type dispatch_rule() :: {Host::match_rule(), list({Path::match_rule(),
- Handler::module(), Opts::term()})}.
+-type dispatch_path() :: list({match_rule(), module(), any()}).
+-type dispatch_rule() :: {Host::match_rule(), Path::dispatch_path()}.
-type dispatch_rules() :: list(dispatch_rule()).
-export_type([bindings/0, path_tokens/0, dispatch_rules/0]).
--include_lib("kernel/include/inet.hrl").
-include_lib("eunit/include/eunit.hrl").
%% API.
--spec split_host(Host::binary())
- -> {Tokens::path_tokens(), RawHost::binary(), Port::undefined | ip_port()}.
+-spec split_host(binary())
+ -> {path_tokens(), binary(), undefined | inet:ip_port()}.
split_host(<<>>) ->
{[], <<>>, undefined};
split_host(Host) ->
@@ -43,8 +42,7 @@ split_host(Host) ->
list_to_integer(binary_to_list(Port))}
end.
--spec split_path(Path::binary())
- -> {Tokens::path_tokens(), RawPath::binary(), Qs::binary()}.
+-spec split_path(binary()) -> {path_tokens(), binary(), binary()}.
split_path(Path) ->
case binary:split(Path, <<"?">>) of
[Path] -> {do_split_path(Path, <<"/">>), Path, <<>>};
@@ -52,17 +50,15 @@ split_path(Path) ->
[Path2, Qs] -> {do_split_path(Path2, <<"/">>), Path2, Qs}
end.
--spec do_split_path(RawPath::binary(), Separator::binary())
- -> Tokens::path_tokens().
+-spec do_split_path(binary(), <<_:8>>) -> path_tokens().
do_split_path(RawPath, Separator) ->
case binary:split(RawPath, Separator, [global, trim]) of
[<<>>|Path] -> Path;
Path -> Path
end.
--spec match(Host::path_tokens(), Path::path_tokens(),
- Dispatch::dispatch_rules())
- -> {ok, Handler::module(), Opts::term(), Binds::bindings(),
+-spec match(Host::path_tokens(), Path::path_tokens(), dispatch_rules())
+ -> {ok, module(), any(), bindings(),
HostInfo::undefined | path_tokens(),
PathInfo::undefined | path_tokens()}
| {error, notfound, host} | {error, notfound, path}.
@@ -80,10 +76,9 @@ match(Host, Path, [{HostMatch, PathMatchs}|Tail]) ->
match_path(Path, PathMatchs, HostBinds, lists:reverse(HostInfo))
end.
--spec match_path(Path::path_tokens(), list({Path::match_rule(),
- Handler::module(), Opts::term()}), HostBinds::bindings(),
+-spec match_path(path_tokens(), dispatch_path(), bindings(),
HostInfo::undefined | path_tokens())
- -> {ok, Handler::module(), Opts::term(), Binds::bindings(),
+ -> {ok, module(), any(), bindings(),
HostInfo::undefined | path_tokens(),
PathInfo::undefined | path_tokens()}
| {error, notfound, path}.
@@ -103,15 +98,15 @@ match_path(Path, [{PathMatch, Handler, Opts}|Tail], HostBinds, HostInfo) ->
%% Internal.
--spec try_match(Type::host | path, List::path_tokens(), Match::match_rule())
- -> {true, Binds::bindings(), ListInfo::undefined | path_tokens()} | false.
+-spec try_match(host | path, path_tokens(), match_rule())
+ -> {true, bindings(), undefined | path_tokens()} | false.
try_match(host, List, Match) ->
list_match(lists:reverse(List), lists:reverse(Match), []);
try_match(path, List, Match) ->
list_match(List, Match, []).
--spec list_match(List::path_tokens(), Match::match_rule(), Binds::bindings())
- -> {true, Binds::bindings(), ListInfo::undefined | path_tokens()} | false.
+-spec list_match(path_tokens(), match_rule(), bindings())
+ -> {true, bindings(), undefined | path_tokens()} | false.
%% Atom '...' matches any trailing path, stop right now.
list_match(List, ['...'], Binds) ->
{true, Binds, List};
diff --git a/src/cowboy_http_protocol.erl b/src/cowboy_http_protocol.erl
index 4f5ac9f..51be028 100644
--- a/src/cowboy_http_protocol.erl
+++ b/src/cowboy_http_protocol.erl
@@ -23,7 +23,7 @@
socket :: inet:socket(),
transport :: module(),
dispatch :: cowboy_dispatcher:dispatch_rules(),
- handler :: {Handler::module(), Opts::term()},
+ handler :: {module(), any()},
req_empty_lines = 0 :: integer(),
max_empty_lines :: integer(),
timeout :: timeout(),
@@ -33,15 +33,14 @@
%% API.
--spec start_link(Socket::inet:socket(), Transport::module(), Opts::term())
- -> {ok, Pid::pid()}.
+-spec start_link(inet:socket(), module(), any()) -> {ok, pid()}.
start_link(Socket, Transport, Opts) ->
Pid = spawn_link(?MODULE, init, [Socket, Transport, Opts]),
{ok, Pid}.
%% FSM.
--spec init(Socket::inet:socket(), Transport::module(), Opts::term()) -> ok.
+-spec init(inet:socket(), module(), any()) -> ok.
init(Socket, Transport, Opts) ->
Dispatch = proplists:get_value(dispatch, Opts, []),
MaxEmptyLines = proplists:get_value(max_empty_lines, Opts, 5),
@@ -49,7 +48,7 @@ init(Socket, Transport, Opts) ->
wait_request(#state{socket=Socket, transport=Transport,
dispatch=Dispatch, max_empty_lines=MaxEmptyLines, timeout=Timeout}).
--spec parse_request(State::#state{}) -> ok.
+-spec parse_request(#state{}) -> ok.
%% @todo Use decode_packet options to limit length?
parse_request(State=#state{buffer=Buffer}) ->
case erlang:decode_packet(http_bin, Buffer, []) of
@@ -58,7 +57,7 @@ parse_request(State=#state{buffer=Buffer}) ->
{error, _Reason} -> error_response(400, State)
end.
--spec wait_request(State::#state{}) -> ok.
+-spec wait_request(#state{}) -> ok.
wait_request(State=#state{socket=Socket, transport=Transport,
timeout=T, buffer=Buffer}) ->
case Transport:recv(Socket, 0, T) of
@@ -68,8 +67,8 @@ wait_request(State=#state{socket=Socket, transport=Transport,
{error, closed} -> terminate(State)
end.
--spec request({http_request, Method::http_method(), URI::http_uri(),
- Version::http_version()}, State::#state{}) -> ok.
+-spec request({http_request, http_method(), http_uri(),
+ http_version()}, #state{}) -> ok.
%% @todo We probably want to handle some things differently between versions.
request({http_request, _Method, _URI, Version}, State)
when Version =/= {1, 0}, Version =/= {1, 1} ->
@@ -100,7 +99,7 @@ request({http_error, <<"\r\n">>}, State=#state{req_empty_lines=N}) ->
request({http_error, _Any}, State) ->
error_terminate(400, State).
--spec parse_header(Req::#http_req{}, State::#state{}) -> ok.
+-spec parse_header(#http_req{}, #state{}) -> ok.
parse_header(Req, State=#state{buffer=Buffer}) ->
case erlang:decode_packet(httph_bin, Buffer, []) of
{ok, Header, Rest} -> header(Header, Req, State#state{buffer=Rest});
@@ -108,7 +107,7 @@ parse_header(Req, State=#state{buffer=Buffer}) ->
{error, _Reason} -> error_response(400, State)
end.
--spec wait_header(Req::#http_req{}, State::#state{}) -> ok.
+-spec wait_header(#http_req{}, #state{}) -> ok.
wait_header(Req, State=#state{socket=Socket,
transport=Transport, timeout=T, buffer=Buffer}) ->
case Transport:recv(Socket, 0, T) of
@@ -118,8 +117,8 @@ wait_header(Req, State=#state{socket=Socket,
{error, closed} -> terminate(State)
end.
--spec header({http_header, I::integer(), Field::http_header(), R::term(),
- Value::binary()} | http_eoh, Req::#http_req{}, State::#state{}) -> ok.
+-spec header({http_header, integer(), http_header(), any(), binary()}
+ | http_eoh, #http_req{}, #state{}) -> ok.
header({http_header, _I, 'Host', _R, RawHost}, Req=#http_req{
transport=Transport, host=undefined}, State) ->
RawHost2 = binary_to_lower(RawHost),
@@ -153,7 +152,7 @@ header(http_eoh, Req, State=#state{buffer=Buffer}) ->
header({http_error, _Bin}, _Req, State) ->
error_terminate(500, State).
--spec dispatch(Req::#http_req{}, State::#state{}) -> ok.
+-spec dispatch(#http_req{}, #state{}) -> ok.
dispatch(Req=#http_req{host=Host, path=Path},
State=#state{dispatch=Dispatch}) ->
%% @todo We probably want to filter the Host and Path here to allow
@@ -169,7 +168,7 @@ dispatch(Req=#http_req{host=Host, path=Path},
error_terminate(404, State)
end.
--spec handler_init(Req::#http_req{}, State::#state{}) -> ok.
+-spec handler_init(#http_req{}, #state{}) -> ok.
handler_init(Req, State=#state{
transport=Transport, handler={Handler, Opts}}) ->
try Handler:init({Transport:name(), http}, Req, Opts) of
@@ -186,8 +185,7 @@ handler_init(Req, State=#state{
[Handler, Class, Reason, Opts, Req, erlang:get_stacktrace()])
end.
--spec handler_loop(HandlerState::term(), Req::#http_req{},
- State::#state{}) -> ok.
+-spec handler_loop(any(), #http_req{}, #state{}) -> ok.
handler_loop(HandlerState, Req, State=#state{handler={Handler, Opts}}) ->
try Handler:handle(Req#http_req{resp_state=waiting}, HandlerState) of
{ok, Req2, HandlerState2} ->
@@ -202,8 +200,7 @@ handler_loop(HandlerState, Req, State=#state{handler={Handler, Opts}}) ->
HandlerState, Req, erlang:get_stacktrace()])
end.
--spec handler_terminate(HandlerState::term(), Req::#http_req{},
- State::#state{}) -> ok.
+-spec handler_terminate(any(), #http_req{}, #state{}) -> ok.
handler_terminate(HandlerState, Req=#http_req{buffer=Buffer},
State=#state{handler={Handler, Opts}}) ->
try
@@ -227,7 +224,7 @@ handler_terminate(HandlerState, Req=#http_req{buffer=Buffer},
HandlerState, Req, erlang:get_stacktrace()])
end.
--spec ensure_body_processed(Req::#http_req{}) -> ok | close.
+-spec ensure_body_processed(#http_req{}) -> ok | close.
ensure_body_processed(#http_req{body_state=done}) ->
ok;
ensure_body_processed(Req=#http_req{body_state=waiting}) ->
@@ -237,7 +234,7 @@ ensure_body_processed(Req=#http_req{body_state=waiting}) ->
_Any -> ok
end.
--spec ensure_response(Req::#http_req{}, State::#state{}) -> ok.
+-spec ensure_response(#http_req{}, #state{}) -> ok.
%% The handler has already fully replied to the client.
ensure_response(#http_req{resp_state=done}, _State) ->
ok;
@@ -251,7 +248,7 @@ ensure_response(#http_req{socket=Socket, transport=Transport,
Transport:send(Socket, <<"0\r\n\r\n">>),
close.
--spec error_response(Code::http_status(), State::#state{}) -> ok.
+-spec error_response(http_status(), #state{}) -> ok.
error_response(Code, #state{socket=Socket,
transport=Transport, connection=Connection}) ->
_ = cowboy_http_req:reply(Code, [], [], #http_req{
@@ -259,23 +256,23 @@ error_response(Code, #state{socket=Socket,
connection=Connection, resp_state=waiting}),
ok.
--spec error_terminate(Code::http_status(), State::#state{}) -> ok.
+-spec error_terminate(http_status(), #state{}) -> ok.
error_terminate(Code, State) ->
error_response(Code, State#state{connection=close}),
terminate(State).
--spec terminate(State::#state{}) -> ok.
+-spec terminate(#state{}) -> ok.
terminate(#state{socket=Socket, transport=Transport}) ->
Transport:close(Socket),
ok.
%% Internal.
--spec version_to_connection(Version::http_version()) -> keepalive | close.
+-spec version_to_connection(http_version()) -> keepalive | close.
version_to_connection({1, 1}) -> keepalive;
version_to_connection(_Any) -> close.
--spec connection_to_atom(Connection::binary()) -> keepalive | close.
+-spec connection_to_atom(binary()) -> keepalive | close.
connection_to_atom(<<"keep-alive">>) ->
keepalive;
connection_to_atom(<<"close">>) ->
@@ -286,7 +283,7 @@ connection_to_atom(Connection) ->
_Any -> keepalive
end.
--spec default_port(TransportName::atom()) -> 80 | 443.
+-spec default_port(atom()) -> 80 | 443.
default_port(ssl) -> 443;
default_port(_) -> 80.
diff --git a/src/cowboy_http_req.erl b/src/cowboy_http_req.erl
index 44286e2..3fbf95f 100644
--- a/src/cowboy_http_req.erl
+++ b/src/cowboy_http_req.erl
@@ -38,65 +38,59 @@
%% Request API.
--spec method(Req::#http_req{}) -> {Method::http_method(), Req::#http_req{}}.
+-spec method(#http_req{}) -> {http_method(), #http_req{}}.
method(Req) ->
{Req#http_req.method, Req}.
--spec version(Req::#http_req{}) -> {Version::http_version(), Req::#http_req{}}.
+-spec version(#http_req{}) -> {http_version(), #http_req{}}.
version(Req) ->
{Req#http_req.version, Req}.
--spec peer(Req::#http_req{})
- -> {{Address::ip_address(), Port::ip_port()}, Req::#http_req{}}.
+-spec peer(#http_req{}) -> {{inet:ip_address(), inet:ip_port()}, #http_req{}}.
peer(Req=#http_req{socket=Socket, transport=Transport, peer=undefined}) ->
{ok, Peer} = Transport:peername(Socket),
{Peer, Req#http_req{peer=Peer}};
peer(Req) ->
{Req#http_req.peer, Req}.
--spec host(Req::#http_req{})
- -> {Host::cowboy_dispatcher:path_tokens(), Req::#http_req{}}.
+-spec host(#http_req{}) -> {cowboy_dispatcher:path_tokens(), #http_req{}}.
host(Req) ->
{Req#http_req.host, Req}.
--spec host_info(Req::#http_req{})
- -> {HostInfo::cowboy_dispatcher:path_tokens() | undefined,
- Req::#http_req{}}.
+-spec host_info(#http_req{})
+ -> {cowboy_dispatcher:path_tokens() | undefined, #http_req{}}.
host_info(Req) ->
{Req#http_req.host_info, Req}.
--spec raw_host(Req::#http_req{}) -> {RawHost::binary(), Req::#http_req{}}.
+-spec raw_host(#http_req{}) -> {binary(), #http_req{}}.
raw_host(Req) ->
{Req#http_req.raw_host, Req}.
--spec port(Req::#http_req{}) -> {Port::ip_port(), Req::#http_req{}}.
+-spec port(#http_req{}) -> {inet:ip_port(), #http_req{}}.
port(Req) ->
{Req#http_req.port, Req}.
--spec path(Req::#http_req{})
- -> {Path::cowboy_dispatcher:path_tokens(), Req::#http_req{}}.
+-spec path(#http_req{}) -> {cowboy_dispatcher:path_tokens(), #http_req{}}.
path(Req) ->
{Req#http_req.path, Req}.
--spec path_info(Req::#http_req{})
- -> {PathInfo::cowboy_dispatcher:path_tokens() | undefined,
- Req::#http_req{}}.
+-spec path_info(#http_req{})
+ -> {cowboy_dispatcher:path_tokens() | undefined, #http_req{}}.
path_info(Req) ->
{Req#http_req.path_info, Req}.
--spec raw_path(Req::#http_req{}) -> {RawPath::binary(), Req::#http_req{}}.
+-spec raw_path(#http_req{}) -> {binary(), #http_req{}}.
raw_path(Req) ->
{Req#http_req.raw_path, Req}.
--spec qs_val(Name::binary(), Req::#http_req{})
- -> {Value::binary() | true | undefined, Req::#http_req{}}.
+-spec qs_val(binary(), #http_req{})
+ -> {binary() | true | undefined, #http_req{}}.
%% @equiv qs_val(Name, Req) -> qs_val(Name, Req, undefined)
qs_val(Name, Req) ->
qs_val(Name, Req, undefined).
--spec qs_val(Name::binary(), Req::#http_req{}, Default)
- -> {Value::binary() | true | Default, Req::#http_req{}}
- when Default::term().
+-spec qs_val(binary(), #http_req{}, Default)
+ -> {binary() | true | Default, #http_req{}} when Default::any().
qs_val(Name, Req=#http_req{raw_qs=RawQs, qs_vals=undefined}, Default) ->
QsVals = parse_qs(RawQs),
qs_val(Name, Req#http_req{qs_vals=QsVals}, Default);
@@ -106,61 +100,56 @@ qs_val(Name, Req, Default) ->
false -> {Default, Req}
end.
--spec qs_vals(Req::#http_req{})
- -> {list({Name::binary(), Value::binary() | true}), Req::#http_req{}}.
+-spec qs_vals(#http_req{}) -> {list({binary(), binary() | true}), #http_req{}}.
qs_vals(Req=#http_req{raw_qs=RawQs, qs_vals=undefined}) ->
QsVals = parse_qs(RawQs),
qs_vals(Req#http_req{qs_vals=QsVals});
qs_vals(Req=#http_req{qs_vals=QsVals}) ->
{QsVals, Req}.
--spec raw_qs(Req::#http_req{}) -> {RawQs::binary(), Req::#http_req{}}.
+-spec raw_qs(#http_req{}) -> {binary(), #http_req{}}.
raw_qs(Req) ->
{Req#http_req.raw_qs, Req}.
--spec binding(Name::atom(), Req::#http_req{})
- -> {Value::binary() | undefined, Req::#http_req{}}.
+-spec binding(atom(), #http_req{}) -> {binary() | undefined, #http_req{}}.
%% @equiv binding(Name, Req) -> binding(Name, Req, undefined)
binding(Name, Req) ->
binding(Name, Req, undefined).
--spec binding(Name::atom(), Req::#http_req{}, Default)
- -> {Value::binary() | Default, Req::#http_req{}} when Default::term().
+-spec binding(atom(), #http_req{}, Default)
+ -> {binary() | Default, #http_req{}} when Default::any().
binding(Name, Req, Default) ->
case lists:keyfind(Name, 1, Req#http_req.bindings) of
{Name, Value} -> {Value, Req};
false -> {Default, Req}
end.
--spec bindings(Req::#http_req{})
- -> {list({Name::atom(), Value::binary()}), Req::#http_req{}}.
+-spec bindings(#http_req{}) -> {list({atom(), binary()}), #http_req{}}.
bindings(Req) ->
{Req#http_req.bindings, Req}.
--spec header(Name::atom() | binary(), Req::#http_req{})
- -> {Value::binary() | undefined, Req::#http_req{}}.
+-spec header(atom() | binary(), #http_req{})
+ -> {binary() | undefined, #http_req{}}.
%% @equiv header(Name, Req) -> header(Name, Req, undefined)
header(Name, Req) ->
header(Name, Req, undefined).
--spec header(Name::atom() | binary(), Req::#http_req{}, Default)
- -> {Value::binary() | Default, Req::#http_req{}} when Default::term().
+-spec header(atom() | binary(), #http_req{}, Default)
+ -> {binary() | Default, #http_req{}} when Default::any().
header(Name, Req, Default) ->
case lists:keyfind(Name, 1, Req#http_req.headers) of
{Name, Value} -> {Value, Req};
false -> {Default, Req}
end.
--spec headers(Req::#http_req{})
- -> {Headers::http_headers(), Req::#http_req{}}.
+-spec headers(#http_req{}) -> {http_headers(), #http_req{}}.
headers(Req) ->
{Req#http_req.headers, Req}.
%% Request Body API.
%% @todo We probably want to allow a max length.
--spec body(Req::#http_req{})
- -> {ok, Body::binary(), Req::#http_req{}} | {error, Reason::atom()}.
+-spec body(#http_req{}) -> {ok, binary(), #http_req{}} | {error, atom()}.
body(Req) ->
{Length, Req2} = cowboy_http_req:header('Content-Length', Req),
case Length of
@@ -171,28 +160,28 @@ body(Req) ->
end.
%% @todo We probably want to configure the timeout.
--spec body(Length::non_neg_integer(), Req::#http_req{})
- -> {ok, Body::binary(), Req::#http_req{}} | {error, Reason::atom()}.
+-spec body(non_neg_integer(), #http_req{})
+ -> {ok, binary(), #http_req{}} | {error, atom()}.
body(Length, Req=#http_req{body_state=waiting, buffer=Buffer})
when Length =:= byte_size(Buffer) ->
{ok, Buffer, Req#http_req{body_state=done, buffer= <<>>}};
body(Length, Req=#http_req{socket=Socket, transport=Transport,
body_state=waiting, buffer=Buffer}) when Length > byte_size(Buffer) ->
case Transport:recv(Socket, Length - byte_size(Buffer), 5000) of
- {ok, Body} -> {ok, << Buffer/binary, Body/binary >>, Req#http_req{body_state=done, buffer= <<>>}};
+ {ok, Body} -> {ok, << Buffer/binary, Body/binary >>,
+ Req#http_req{body_state=done, buffer= <<>>}};
{error, Reason} -> {error, Reason}
end.
--spec body_qs(Req::#http_req{})
- -> {list({Name::binary(), Value::binary() | true}), Req::#http_req{}}.
+-spec body_qs(#http_req{}) -> {list({binary(), binary() | true}), #http_req{}}.
body_qs(Req) ->
{ok, Body, Req2} = body(Req),
{parse_qs(Body), Req2}.
%% Response API.
--spec reply(Code::http_status(), Headers::http_headers(),
- Body::iodata(), Req::#http_req{}) -> {ok, Req::#http_req{}}.
+-spec reply(http_status(), http_headers(), iodata(), #http_req{})
+ -> {ok, #http_req{}}.
reply(Code, Headers, Body, Req=#http_req{socket=Socket,
transport=Transport, connection=Connection,
resp_state=waiting}) ->
@@ -206,8 +195,8 @@ reply(Code, Headers, Body, Req=#http_req{socket=Socket,
Transport:send(Socket, [Head, Body]),
{ok, Req#http_req{resp_state=done}}.
--spec chunked_reply(Code::http_status(), Headers::http_headers(),
- Req::#http_req{}) -> {ok, Req::#http_req{}}.
+-spec chunked_reply(http_status(), http_headers(), #http_req{})
+ -> {ok, #http_req{}}.
chunked_reply(Code, Headers, Req=#http_req{socket=Socket, transport=Transport,
resp_state=waiting}) ->
Head = response_head(Code, Headers, [
@@ -219,14 +208,14 @@ chunked_reply(Code, Headers, Req=#http_req{socket=Socket, transport=Transport,
Transport:send(Socket, Head),
{ok, Req#http_req{resp_state=chunks}}.
--spec chunk(Data::iodata(), Req::#http_req{}) -> ok.
+-spec chunk(iodata(), #http_req{}) -> ok.
chunk(Data, #http_req{socket=Socket, transport=Transport, resp_state=chunks}) ->
Transport:send(Socket, [integer_to_list(iolist_size(Data), 16),
<<"\r\n">>, Data, <<"\r\n">>]).
%% Internal.
--spec parse_qs(Qs::binary()) -> list({Name::binary(), Value::binary() | true}).
+-spec parse_qs(binary()) -> list({binary(), binary() | true}).
parse_qs(<<>>) ->
[];
parse_qs(Qs) ->
@@ -236,8 +225,7 @@ parse_qs(Qs) ->
[Name, Value] -> {Name, Value}
end || Token <- Tokens].
--spec response_head(Code::http_status(), Headers::http_headers(),
- DefaultHeaders::http_headers()) -> iolist().
+-spec response_head(http_status(), http_headers(), http_headers()) -> iolist().
response_head(Code, Headers, DefaultHeaders) ->
StatusLine = <<"HTTP/1.1 ", (status(Code))/binary, "\r\n">>,
Headers2 = [{header_to_binary(Key), Value} || {Key, Value} <- Headers],
@@ -247,13 +235,14 @@ response_head(Code, Headers, DefaultHeaders) ->
|| {Key, Value} <- Headers4],
[StatusLine, Headers5, <<"\r\n">>].
--spec atom_to_connection(Atom::keepalive | close) -> binary().
+-spec atom_to_connection(keepalive) -> <<_:80>>;
+ (close) -> <<_:40>>.
atom_to_connection(keepalive) ->
<<"keep-alive">>;
atom_to_connection(close) ->
<<"close">>.
--spec status(Code::http_status()) -> binary().
+-spec status(http_status()) -> binary().
status(100) -> <<"100 Continue">>;
status(101) -> <<"101 Switching Protocols">>;
status(102) -> <<"102 Processing">>;
@@ -375,7 +364,8 @@ parse_qs_test_() ->
{<<"a=b">>, [{<<"a">>, <<"b">>}]},
{<<"aaa=bbb">>, [{<<"aaa">>, <<"bbb">>}]},
{<<"a&b">>, [{<<"a">>, true}, {<<"b">>, true}]},
- {<<"a=b&c&d=e">>, [{<<"a">>, <<"b">>}, {<<"c">>, true}, {<<"d">>, <<"e">>}]},
+ {<<"a=b&c&d=e">>, [{<<"a">>, <<"b">>},
+ {<<"c">>, true}, {<<"d">>, <<"e">>}]},
{<<"a=b=c=d=e&f=g">>, [{<<"a">>, <<"b=c=d=e">>}, {<<"f">>, <<"g">>}]}
],
[{Qs, fun() -> R = parse_qs(Qs) end} || {Qs, R} <- Tests].
diff --git a/src/cowboy_http_websocket.erl b/src/cowboy_http_websocket.erl
index 4e12358..9a1a17a 100644
--- a/src/cowboy_http_websocket.erl
+++ b/src/cowboy_http_websocket.erl
@@ -19,22 +19,21 @@
-record(state, {
handler :: module(),
- opts :: term(),
+ opts :: any(),
origin = undefined :: undefined | binary(),
challenge = undefined :: undefined | binary(),
timeout = infinity :: timeout(),
messages = undefined :: undefined | {atom(), atom(), atom()}
}).
--spec upgrade(Handler::module(), Opts::term(), Req::#http_req{}) -> ok.
+-spec upgrade(module(), any(), #http_req{}) -> ok.
upgrade(Handler, Opts, Req) ->
case catch websocket_upgrade(#state{handler=Handler, opts=Opts}, Req) of
{ok, State, Req2} -> handler_init(State, Req2);
{'EXIT', _Reason} -> upgrade_error(Req)
end.
--spec websocket_upgrade(State::#state{}, Req::#http_req{})
- -> {ok, State::#state{}, Req::#http_req{}}.
+-spec websocket_upgrade(#state{}, #http_req{}) -> {ok, #state{}, #http_req{}}.
websocket_upgrade(State, Req) ->
{<<"Upgrade">>, Req2} = cowboy_http_req:header('Connection', Req),
{<<"WebSocket">>, Req3} = cowboy_http_req:header('Upgrade', Req2),
@@ -46,19 +45,19 @@ websocket_upgrade(State, Req) ->
Challenge = challenge(Key1, Key2, Key3),
{ok, State#state{origin=Origin, challenge=Challenge}, Req7}.
--spec challenge(Key1::binary(), Key2::binary(), Key3::binary()) -> binary().
+-spec challenge(binary(), binary(), binary()) -> binary().
challenge(Key1, Key2, Key3) ->
IntKey1 = key_to_integer(Key1),
IntKey2 = key_to_integer(Key2),
erlang:md5(<< IntKey1:32, IntKey2:32, Key3/binary >>).
--spec key_to_integer(Key::binary()) -> integer().
+-spec key_to_integer(binary()) -> integer().
key_to_integer(Key) ->
Number = list_to_integer([C || << C >> <= Key, C >= $0, C =< $9]),
Spaces = length([C || << C >> <= Key, C =:= 32]),
Number div Spaces.
--spec handler_init(State::#state{}, Req::#http_req{}) -> ok.
+-spec handler_init(#state{}, #http_req{}) -> ok.
handler_init(State=#state{handler=Handler, opts=Opts},
Req=#http_req{transport=Transport}) ->
case catch Handler:websocket_init(Transport:name(), Req, Opts) of
@@ -71,14 +70,13 @@ handler_init(State=#state{handler=Handler, opts=Opts},
upgrade_error(Req)
end.
--spec upgrade_error(Req::#http_req{}) -> ok.
+-spec upgrade_error(#http_req{}) -> ok.
upgrade_error(Req=#http_req{socket=Socket, transport=Transport}) ->
{ok, _Req} = cowboy_http_req:reply(400, [], [],
Req#http_req{resp_state=waiting}),
Transport:close(Socket).
--spec websocket_handshake(State::#state{}, Req::#http_req{},
- HandlerState::term()) -> ok.
+-spec websocket_handshake(#state{}, #http_req{}, any()) -> ok.
websocket_handshake(State=#state{origin=Origin, challenge=Challenge},
Req=#http_req{transport=Transport, raw_host=Host, port=Port,
raw_path=Path}, HandlerState) ->
@@ -93,8 +91,8 @@ websocket_handshake(State=#state{origin=Origin, challenge=Challenge},
handler_loop(State#state{messages=Transport:messages()},
Req2, HandlerState, <<>>).
--spec websocket_location(TransportName::atom(), Host::binary(),
- Port::ip_port(), Path::binary()) -> binary().
+-spec websocket_location(atom(), binary(), inet:ip_port(), binary())
+ -> binary().
websocket_location(ssl, Host, Port, Path) ->
<< "wss://", Host/binary, ":",
(list_to_binary(integer_to_list(Port)))/binary, Path/binary >>;
@@ -102,8 +100,7 @@ websocket_location(_Any, Host, Port, Path) ->
<< "ws://", Host/binary, ":",
(list_to_binary(integer_to_list(Port)))/binary, Path/binary >>.
--spec handler_loop(State::#state{}, Req::#http_req{},
- HandlerState::term(), SoFar::binary()) -> ok.
+-spec handler_loop(#state{}, #http_req{}, any(), binary()) -> ok.
handler_loop(State=#state{messages={OK, Closed, Error}, timeout=Timeout},
Req=#http_req{socket=Socket, transport=Transport},
HandlerState, SoFar) ->
@@ -123,8 +120,7 @@ handler_loop(State=#state{messages={OK, Closed, Error}, timeout=Timeout},
websocket_close(State, Req, HandlerState, {normal, timeout})
end.
--spec websocket_data(State::#state{}, Req::#http_req{},
- HandlerState::term(), Data::binary()) -> ok.
+-spec websocket_data(#state{}, #http_req{}, any(), binary()) -> ok.
websocket_data(State, Req, HandlerState, << 255, 0, _Rest/bits >>) ->
websocket_close(State, Req, HandlerState, {normal, closed});
websocket_data(State, Req, HandlerState, Data) when byte_size(Data) < 3 ->
@@ -133,8 +129,7 @@ websocket_data(State, Req, HandlerState, Data) ->
websocket_frame(State, Req, HandlerState, Data, binary:first(Data)).
%% We do not support any frame type other than 0 yet. Just like the specs.
--spec websocket_frame(State::#state{}, Req::#http_req{},
- HandlerState::term(), Data::binary(), FrameType::byte()) -> ok.
+-spec websocket_frame(#state{}, #http_req{}, any(), binary(), byte()) -> ok.
websocket_frame(State, Req, HandlerState, Data, 0) ->
case binary:match(Data, << 255 >>) of
{Pos, 1} ->
@@ -149,8 +144,7 @@ websocket_frame(State, Req, HandlerState, Data, 0) ->
websocket_frame(State, Req, HandlerState, _Data, _FrameType) ->
websocket_close(State, Req, HandlerState, {error, badframe}).
--spec handler_call(State::#state{}, Req::#http_req{}, HandlerState::term(),
- RemainingData::binary(), Message::term(), NextState::fun()) -> ok.
+-spec handler_call(#state{}, #http_req{}, any(), binary(), any(), fun()) -> ok.
handler_call(State=#state{handler=Handler}, Req, HandlerState,
RemainingData, Message, NextState) ->
case catch Handler:websocket_handle(Message, Req, HandlerState) of
@@ -165,19 +159,18 @@ handler_call(State=#state{handler=Handler}, Req, HandlerState,
websocket_close(State, Req, HandlerState, {error, handler})
end.
--spec websocket_send(Data::binary(), Req::#http_req{}) -> ok.
+-spec websocket_send(binary(), #http_req{}) -> ok.
websocket_send(Data, #http_req{socket=Socket, transport=Transport}) ->
Transport:send(Socket, << 0, Data/binary, 255 >>).
--spec websocket_close(State::#state{}, Req::#http_req{},
- HandlerState::term(), Reason::{atom(), atom()}) -> ok.
+-spec websocket_close(#state{}, #http_req{}, any(), {atom(), atom()}) -> ok.
websocket_close(State, Req=#http_req{socket=Socket, transport=Transport},
HandlerState, Reason) ->
Transport:send(Socket, << 255, 0 >>),
Transport:close(Socket),
handler_terminate(State, Req, HandlerState, Reason).
--spec handler_terminate(State::#state{}, Req::#http_req{},
- HandlerState::term(), Reason::atom() | {atom(), atom()}) -> ok.
+-spec handler_terminate(#state{}, #http_req{},
+ any(), atom() | {atom(), atom()}) -> ok.
handler_terminate(#state{handler=Handler}, Req, HandlerState, Reason) ->
Handler:websocket_terminate(Reason, Req, HandlerState).
diff --git a/src/cowboy_listener_sup.erl b/src/cowboy_listener_sup.erl
index e77c237..248d7df 100644
--- a/src/cowboy_listener_sup.erl
+++ b/src/cowboy_listener_sup.erl
@@ -20,9 +20,8 @@
%% API.
--spec start_link(NbAcceptors::non_neg_integer(), Transport::module(),
- TransOpts::term(), Protocol::module(), ProtoOpts::term())
- -> {ok, Pid::pid()}.
+-spec start_link(non_neg_integer(), module(), any(), module(), any())
+ -> {ok, pid()}.
start_link(NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts) ->
{ok, SupPid} = supervisor:start_link(?MODULE, []),
{ok, ReqsPid} = supervisor:start_child(SupPid,
@@ -36,7 +35,6 @@ start_link(NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts) ->
%% supervisor.
-%% @todo These specs should be improved.
--spec init([]) -> term().
+-spec init([]) -> {ok, {{one_for_one, 0, 1}, []}}.
init([]) ->
{ok, {{one_for_one, 0, 1}, []}}.
diff --git a/src/cowboy_requests_sup.erl b/src/cowboy_requests_sup.erl
index 8681434..1ad3a52 100644
--- a/src/cowboy_requests_sup.erl
+++ b/src/cowboy_requests_sup.erl
@@ -20,18 +20,17 @@
%% API.
--spec start_link() -> {ok, Pid::pid()}.
+-spec start_link() -> {ok, pid()}.
start_link() ->
supervisor:start_link(?MODULE, []).
--spec start_request(Socket::inet:socket(), Transport::module(),
- Protocol::module(), Opts::term()) -> {ok, Pid::pid()}.
+-spec start_request(inet:socket(), module(), module(), any()) -> {ok, pid()}.
start_request(Socket, Transport, Protocol, Opts) ->
Protocol:start_link(Socket, Transport, Opts).
%% supervisor.
--spec init([]) -> term(). %% @todo These specs should be improved.
+-spec init([]) -> {ok, {{simple_one_for_one, 0, 1}, [{_, _, _, _, _, _}, ...]}}.
init([]) ->
{ok, {{simple_one_for_one, 0, 1}, [{?MODULE, {?MODULE, start_request, []},
temporary, brutal_kill, worker, [?MODULE]}]}}.
diff --git a/src/cowboy_ssl_transport.erl b/src/cowboy_ssl_transport.erl
index bafa99b..ea3f482 100644
--- a/src/cowboy_ssl_transport.erl
+++ b/src/cowboy_ssl_transport.erl
@@ -16,8 +16,6 @@
-export([name/0, messages/0, listen/1, accept/2, recv/3, send/2, setopts/2,
controlling_process/2, peername/1, close/1]). %% API.
--include_lib("kernel/include/inet.hrl").
-
%% API.
-spec name() -> ssl.
@@ -26,9 +24,9 @@ name() -> ssl.
-spec messages() -> {ssl, ssl_closed, ssl_error}.
messages() -> {ssl, ssl_closed, ssl_error}.
--spec listen([{port, Port::ip_port()} | {certfile, CertPath::string()}
- | {keyfile, KeyPath::string()} | {password, Password::string()}])
- -> {ok, LSocket::ssl:sslsocket()} | {error, Reason::atom()}.
+-spec listen([{port, inet:ip_port()} | {certfile, string()}
+ | {keyfile, string()} | {password, string()}])
+ -> {ok, ssl:sslsocket()} | {error, atom()}.
listen(Opts) ->
require([crypto, public_key, ssl]),
{port, Port} = lists:keyfind(port, 1, Opts),
@@ -40,8 +38,8 @@ listen(Opts) ->
{backlog, Backlog}, {packet, raw}, {reuseaddr, true},
{certfile, CertFile}, {keyfile, KeyFile}, {password, Password}]).
--spec accept(LSocket::ssl:sslsocket(), Timeout::timeout())
- -> {ok, Socket::ssl:sslsocket()} | {error, Reason::closed | timeout | atom()}.
+-spec accept(ssl:sslsocket(), timeout())
+ -> {ok, ssl:sslsocket()} | {error, closed | timeout | atom()}.
accept(LSocket, Timeout) ->
case ssl:transport_accept(LSocket, Timeout) of
{ok, CSocket} ->
@@ -50,38 +48,36 @@ accept(LSocket, Timeout) ->
{error, Reason}
end.
--spec recv(Socket::ssl:sslsocket(), Length::integer(), Timeout::timeout())
- -> {ok, Packet::term()} | {error, Reason::closed | atom()}.
+-spec recv(ssl:sslsocket(), non_neg_integer(), timeout())
+ -> {ok, any()} | {error, closed | atom()}.
recv(Socket, Length, Timeout) ->
ssl:recv(Socket, Length, Timeout).
--spec send(Socket::ssl:sslsocket(), Packet::iolist())
- -> ok | {error, Reason::atom()}.
+-spec send(ssl:sslsocket(), iolist()) -> ok | {error, atom()}.
send(Socket, Packet) ->
ssl:send(Socket, Packet).
--spec setopts(Socket::ssl:sslsocket(), Opts::list(term()))
- -> ok | {error, Reason::atom()}.
+-spec setopts(ssl:sslsocket(), list()) -> ok | {error, atom()}.
setopts(Socket, Opts) ->
ssl:setopts(Socket, Opts).
--spec controlling_process(Socket::ssl:sslsocket(), Pid::pid())
- -> ok | {error, Reason::closed | not_owner | atom()}.
+-spec controlling_process(ssl:sslsocket(), pid())
+ -> ok | {error, closed | not_owner | atom()}.
controlling_process(Socket, Pid) ->
ssl:controlling_process(Socket, Pid).
--spec peername(Socket::ssl:sslsocket())
- -> {ok, {Address::ip_address(), Port::ip_port()}} | {error, atom()}.
+-spec peername(ssl:sslsocket())
+ -> {ok, {inet:ip_address(), inet:ip_port()}} | {error, atom()}.
peername(Socket) ->
ssl:peername(Socket).
--spec close(Socket::ssl:sslsocket()) -> ok.
+-spec close(ssl:sslsocket()) -> ok.
close(Socket) ->
ssl:close(Socket).
%% Internal.
--spec require(Apps::list(module())) -> ok.
+-spec require(list(module())) -> ok.
require([]) ->
ok;
require([App|Tail]) ->
@@ -91,12 +87,12 @@ require([App|Tail]) ->
end,
require(Tail).
--spec ssl_accept(CSocket::ssl:sslsocket(), Timeout::timeout())
- -> {ok, Socket::ssl:sslsocket()} | {error, Reason::closed | timeout | atom()}.
-ssl_accept(CSocket, Timeout) ->
- case ssl:ssl_accept(CSocket, Timeout) of
+-spec ssl_accept(ssl:sslsocket(), timeout())
+ -> {ok, ssl:sslsocket()} | {error, closed | timeout | atom()}.
+ssl_accept(Socket, Timeout) ->
+ case ssl:ssl_accept(Socket, Timeout) of
ok ->
- {ok, CSocket};
+ {ok, Socket};
{error, Reason} ->
{error, Reason}
end.
diff --git a/src/cowboy_sup.erl b/src/cowboy_sup.erl
index 278df54..13977e7 100644
--- a/src/cowboy_sup.erl
+++ b/src/cowboy_sup.erl
@@ -22,13 +22,13 @@
%% API.
--spec start_link() -> {ok, Pid::pid()}.
+-spec start_link() -> {ok, pid()}.
start_link() ->
supervisor:start_link({local, ?SUPERVISOR}, ?MODULE, []).
%% supervisor.
--spec init([]) -> term(). %% @todo These specs should be improved.
+-spec init([]) -> {ok, {{one_for_one, 10, 10}, [{_, _, _, _, _, _}, ...]}}.
init([]) ->
Procs = [{cowboy_clock, {cowboy_clock, start_link, []},
permanent, 5000, worker, dynamic}],
diff --git a/src/cowboy_tcp_transport.erl b/src/cowboy_tcp_transport.erl
index fdd3ca6..cf00bbc 100644
--- a/src/cowboy_tcp_transport.erl
+++ b/src/cowboy_tcp_transport.erl
@@ -16,8 +16,6 @@
-export([name/0, messages/0, listen/1, accept/2, recv/3, send/2, setopts/2,
controlling_process/2, peername/1, close/1]). %% API.
--include_lib("kernel/include/inet.hrl").
-
%% API.
-spec name() -> tcp.
@@ -26,45 +24,41 @@ name() -> tcp.
-spec messages() -> {tcp, tcp_closed, tcp_error}.
messages() -> {tcp, tcp_closed, tcp_error}.
--spec listen([{port, Port::ip_port()}])
- -> {ok, LSocket::inet:socket()} | {error, Reason::atom()}.
+-spec listen([{port, inet:ip_port()}]) -> {ok, inet:socket()} | {error, atom()}.
listen(Opts) ->
{port, Port} = lists:keyfind(port, 1, Opts),
Backlog = proplists:get_value(backlog, Opts, 1024),
gen_tcp:listen(Port, [binary, {active, false},
{backlog, Backlog}, {packet, raw}, {reuseaddr, true}]).
--spec accept(LSocket::inet:socket(), Timeout::timeout())
- -> {ok, Socket::inet:socket()}
- | {error, Reason::closed | timeout | atom()}.
+-spec accept(inet:socket(), timeout())
+ -> {ok, inet:socket()} | {error, closed | timeout | atom()}.
accept(LSocket, Timeout) ->
gen_tcp:accept(LSocket, Timeout).
--spec recv(Socket::inet:socket(), Length::integer(), Timeout::timeout())
- -> {ok, Packet::term()} | {error, Reason::closed | atom()}.
+-spec recv(inet:socket(), non_neg_integer(), timeout())
+ -> {ok, any()} | {error, closed | atom()}.
recv(Socket, Length, Timeout) ->
gen_tcp:recv(Socket, Length, Timeout).
--spec send(Socket::inet:socket(), Packet::iolist())
- -> ok | {error, Reason::atom()}.
+-spec send(inet:socket(), iolist()) -> ok | {error, atom()}.
send(Socket, Packet) ->
gen_tcp:send(Socket, Packet).
--spec setopts(Socket::inet:socket(), Opts::list(term()))
- -> ok | {error, Reason::atom()}.
+-spec setopts(inet:socket(), list()) -> ok | {error, atom()}.
setopts(Socket, Opts) ->
inet:setopts(Socket, Opts).
--spec controlling_process(Socket::inet:socket(), Pid::pid())
- -> ok | {error, Reason::closed | not_owner | atom()}.
+-spec controlling_process(inet:socket(), pid())
+ -> ok | {error, closed | not_owner | atom()}.
controlling_process(Socket, Pid) ->
gen_tcp:controlling_process(Socket, Pid).
--spec peername(Socket::inet:socket())
- -> {ok, {Address::ip_address(), Port::ip_port()}} | {error, atom()}.
+-spec peername(inet:socket())
+ -> {ok, {inet:ip_address(), inet:ip_port()}} | {error, atom()}.
peername(Socket) ->
inet:peername(Socket).
--spec close(Socket::inet:socket()) -> ok.
+-spec close(inet:socket()) -> ok.
close(Socket) ->
gen_tcp:close(Socket).