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| author | Loïc Hoguin <[email protected]> | 2012-12-01 10:24:07 +0100 |
|---|---|---|
| committer | Loïc Hoguin <[email protected]> | 2012-12-01 10:24:07 +0100 |
| commit | fb7ed3807620f7534c617789e7347192838a419a (patch) | |
| tree | 4feb6f6ede8548a889a2e33fdab304b95e071ed0 /src/ranch_tcp.erl | |
| parent | 0d18f4f93054d9df6a0496a2b9fe8c09f336906e (diff) | |
| download | ranch-fb7ed3807620f7534c617789e7347192838a419a.tar.gz ranch-fb7ed3807620f7534c617789e7347192838a419a.tar.bz2 ranch-fb7ed3807620f7534c617789e7347192838a419a.zip | |
Add Transport:sendfile/2 support
Uses file:sendfile/2 for TCP, a fallback function for SSL.
Diffstat (limited to 'src/ranch_tcp.erl')
| -rw-r--r-- | src/ranch_tcp.erl | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/ranch_tcp.erl b/src/ranch_tcp.erl index d68972d..b113186 100644 --- a/src/ranch_tcp.erl +++ b/src/ranch_tcp.erl @@ -27,6 +27,7 @@ -export([connect/3]). -export([recv/3]). -export([send/2]). +-export([sendfile/2]). -export([setopts/2]). -export([controlling_process/2]). -export([peername/1]). @@ -103,6 +104,18 @@ recv(Socket, Length, Timeout) -> send(Socket, Packet) -> gen_tcp:send(Socket, Packet). +%% @doc Send a file on a socket. +%% +%% This is the optimal way to send files using TCP. It uses a syscall +%% which means there is no context switch between opening the file +%% and writing its contents on the socket. +%% +%% @see file:sendfile/2 +-spec sendfile(inet:socket(), file:name()) + -> {ok, non_neg_integer()} | {error, atom()}. +sendfile(Socket, Filename) -> + file:sendfile(Filename, Socket). + %% @doc Set options on the given socket. %% @see inet:setopts/2 %% @todo Probably filter Opts? |