diff options
Diffstat (limited to 'src/cowboy_spdy.erl')
| -rw-r--r-- | src/cowboy_spdy.erl | 47 |
1 files changed, 40 insertions, 7 deletions
diff --git a/src/cowboy_spdy.erl b/src/cowboy_spdy.erl index e5aeb21..ce75419 100644 --- a/src/cowboy_spdy.erl +++ b/src/cowboy_spdy.erl @@ -33,9 +33,11 @@ %% Internal transport functions. -export([name/0]). +-export([messages/0]). -export([recv/3]). -export([send/2]). -export([sendfile/2]). +-export([setopts/2]). -type streamid() :: non_neg_integer(). -type socket() :: {pid(), streamid()}. @@ -45,8 +47,8 @@ pid :: pid(), input = nofin :: fin | nofin, in_buffer = <<>> :: binary(), - is_recv = false :: {true, {non_neg_integer(), pid()}, - pid(), non_neg_integer(), reference()} | false, + is_recv = false :: false | {active, socket(), pid()} + | {passive, socket(), pid(), non_neg_integer(), reference()}, output = nofin :: fin | nofin }). @@ -138,15 +140,15 @@ loop(State=#state{parent=Parent, socket=Socket, transport=Transport, TRef = erlang:send_after(Timeout, self(), {recv_timeout, FromSocket}), loop(replace_child(Child#child{ - is_recv={true, FromSocket, FromPid, Length, TRef}}, + is_recv={passive, FromSocket, FromPid, Length, TRef}}, State)) end; {recv_timeout, {Pid, StreamID}} when Pid =:= self() -> - Child = #child{is_recv={true, FromSocket, FromPid, _, _}} + Child = #child{is_recv={passive, FromSocket, FromPid, _, _}} = get_child(StreamID, State), FromPid ! {recv, FromSocket, {error, timeout}}, - loop(replace_child(Child#child{is_recv=false}, State)); + loop(replace_child(Child#child{is_recv=passive}, State)); {reply, {Pid, StreamID}, Status, Headers} when Pid =:= self() -> Child = #child{output=nofin} = get_child(StreamID, State), @@ -178,6 +180,22 @@ loop(State=#state{parent=Parent, socket=Socket, transport=Transport, Child = #child{output=nofin} = get_child(StreamID, State), data_from_file(State, StreamID, Filepath), loop(replace_child(Child#child{output=fin}, State)); + {active, FromSocket = {Pid, StreamID}, FromPid} when Pid =:= self() -> + Child = #child{in_buffer=InBuffer, is_recv=false} + = get_child(StreamID, State), + case InBuffer of + <<>> -> + loop(replace_child(Child#child{ + is_recv={active, FromSocket, FromPid}}, State)); + _ -> + FromPid ! {spdy, FromSocket, InBuffer}, + loop(replace_child(Child#child{in_buffer= <<>>}, State)) + end; + {passive, FromSocket = {Pid, StreamID}, FromPid} when Pid =:= self() -> + Child = #child{is_recv=IsRecv} = get_child(StreamID, State), + %% Make sure we aren't in the middle of a recv call. + case IsRecv of false -> ok; {active, FromSocket, FromPid} -> ok end, + loop(replace_child(Child#child{is_recv=false}, State)); {'EXIT', Parent, Reason} -> exit(Reason); {'EXIT', Pid, _} -> @@ -262,11 +280,14 @@ handle_frame(State, {data, StreamID, IsFin, Data}) -> Data2 = << Buffer/binary, Data/binary >>, IsFin2 = if IsFin -> fin; true -> nofin end, Child2 = case IsRecv of - {true, FromSocket, FromPid, 0, TRef} -> + {active, FromSocket, FromPid} -> + FromPid ! {spdy, FromSocket, Data}, + Child#child{input=IsFin2, is_recv=false}; + {passive, FromSocket, FromPid, 0, TRef} -> FromPid ! {recv, FromSocket, {ok, Data2}}, cancel_recv_timeout(StreamID, TRef), Child#child{input=IsFin2, in_buffer= <<>>, is_recv=false}; - {true, FromSocket, FromPid, Length, TRef} + {passive, FromSocket, FromPid, Length, TRef} when byte_size(Data2) >= Length -> << Data3:Length/binary, Rest/binary >> = Data2, FromPid ! {recv, FromSocket, {ok, Data3}}, @@ -443,6 +464,10 @@ stream_close(Socket = {Pid, _}) -> name() -> spdy. +-spec messages() -> {spdy, spdy_closed, spdy_error}. +messages() -> + {spdy, spdy_closed, spdy_error}. + -spec recv(socket(), non_neg_integer(), timeout()) -> {ok, binary()} | {error, timeout}. recv(Socket = {Pid, _}, Length, Timeout) -> @@ -463,3 +488,11 @@ send(Socket, Data) -> sendfile(Socket = {Pid, _}, Filepath) -> _ = Pid ! {sendfile, Socket, Filepath}, {ok, undefined}. + +-spec setopts(inet:socket(), list()) -> ok. +setopts(Socket = {Pid, _}, [{active, once}]) -> + _ = Pid ! {active, Socket, self()}, + ok; +setopts(Socket = {Pid, _}, [{active, false}]) -> + _ = Pid ! {passive, Socket, self()}, + ok. |