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authorLoïc Hoguin <[email protected]>2012-12-01 09:17:36 +0100
committerLoïc Hoguin <[email protected]>2012-12-01 10:29:26 +0100
commit72b26c6d0c55a4fe33807451c6c7d78c99e4f426 (patch)
treedc662656b32391ce6857d901dc263778c6efebec /src
parent5c315ab1425965dfb2c10b274185a3fdf2645d1d (diff)
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Use Transport:sendfile/2 from Ranch
This removes a bunch of unneeded code, including code that was made for R14 which we don't support anymore. Note that the dependency on Ranch was updated, so you will need to update Ranch for the new code to work.
Diffstat (limited to 'src')
-rw-r--r--src/cowboy_static.erl50
1 files changed, 1 insertions, 49 deletions
diff --git a/src/cowboy_static.erl b/src/cowboy_static.erl
index 305d6bd..55d01c7 100644
--- a/src/cowboy_static.erl
+++ b/src/cowboy_static.erl
@@ -322,58 +322,10 @@ content_types_provided(Req, #state{filepath=Filepath,
file_contents(Req, #state{filepath=Filepath,
fileinfo={ok, #file_info{size=Filesize}}}=State) ->
{ok, Transport, Socket} = cowboy_req:transport(Req),
- Writefile = content_function(Transport, Socket, Filepath),
+ Writefile = fun() -> Transport:sendfile(Socket, Filepath) end,
{{stream, Filesize, Writefile}, Req, State}.
-%% @private Return a function writing the contents of a file to a socket.
-%% The function returns the number of bytes written to the socket to enable
-%% the calling function to determine if the expected number of bytes were
-%% written to the socket.
--spec content_function(module(), inet:socket(), binary()) ->
- fun(() -> {sent, non_neg_integer()}).
-content_function(Transport, Socket, Filepath) ->
- %% `file:sendfile/2' will only work with the `ranch_tcp'
- %% transport module. SSL or future SPDY transports that require the
- %% content to be encrypted or framed as the content is sent
- %% will use the fallback mechanism.
- case erlang:function_exported(file, sendfile, 2) of
- false ->
- fun() -> sfallback(Transport, Socket, Filepath) end;
- _ when Transport =/= ranch_tcp ->
- fun() -> sfallback(Transport, Socket, Filepath) end;
- true ->
- fun() -> sendfile(Socket, Filepath) end
- end.
-
-
-%% @private Sendfile fallback function.
--spec sfallback(module(), inet:socket(), binary()) -> {sent, non_neg_integer()}.
-sfallback(Transport, Socket, Filepath) ->
- {ok, File} = file:open(Filepath, [read,binary,raw]),
- sfallback(Transport, Socket, File, 0).
-
--spec sfallback(module(), inet:socket(), file:io_device(),
- non_neg_integer()) -> {sent, non_neg_integer()}.
-sfallback(Transport, Socket, File, Sent) ->
- case file:read(File, 16#1FFF) of
- eof ->
- ok = file:close(File),
- {sent, Sent};
- {ok, Bin} ->
- case Transport:send(Socket, Bin) of
- ok -> sfallback(Transport, Socket, File, Sent + byte_size(Bin));
- {error, closed} -> {sent, Sent}
- end
- end.
-
-
-%% @private Wrapper for sendfile function.
--spec sendfile(inet:socket(), binary()) -> {sent, non_neg_integer()}.
-sendfile(Socket, Filepath) ->
- {ok, Sent} = file:sendfile(Filepath, Socket),
- {sent, Sent}.
-
-spec directory_path(dirspec()) -> dirpath().
directory_path({priv_dir, App, []}) ->
priv_dir_path(App);