diff options
Diffstat (limited to 'src/cowboy_static.erl')
-rw-r--r-- | src/cowboy_static.erl | 50 |
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); |