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Introduces 3 low level functions and updates the existing higher levels functions. The new primitives are has_body/1, body_length/1 and stream_body/1. In addition to that, a helper function init_stream/4 has been added. Streaming a body implies to decode the Transfer-Encoding and Content-Encoding used for the body. By default, Cowboy will try to figure out what was used and decode them properly. You can override this if you want to disable this behavior or simply support more encodings by calling the init_stream/4 function before you start streaming the body.
56 lines
2.5 KiB
Erlang
56 lines
2.5 KiB
Erlang
%% Copyright (c) 2011, Loïc Hoguin <essen@dev-extend.eu>
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%% Copyright (c) 2011, Anthony Ramine <nox@dev-extend.eu>
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%%
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%% Permission to use, copy, modify, and/or distribute this software for any
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%% purpose with or without fee is hereby granted, provided that the above
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%% copyright notice and this permission notice appear in all copies.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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-record(http_req, {
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%% Transport.
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socket = undefined :: undefined | inet:socket(),
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transport = undefined :: undefined | module(),
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connection = keepalive :: keepalive | close,
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%% Request.
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pid = undefined :: pid(),
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method = 'GET' :: cowboy_http:method(),
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version = {1, 1} :: cowboy_http:version(),
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peer = undefined :: undefined |
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{inet:ip_address(), inet:port_number()},
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host = undefined :: undefined | cowboy_dispatcher:tokens(),
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host_info = undefined :: undefined | cowboy_dispatcher:tokens(),
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raw_host = undefined :: undefined | binary(),
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port = undefined :: undefined | inet:port_number(),
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path = undefined :: undefined | '*' | cowboy_dispatcher:tokens(),
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path_info = undefined :: undefined | cowboy_dispatcher:tokens(),
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raw_path = undefined :: undefined | binary(),
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qs_vals = undefined :: undefined | list({binary(), binary() | true}),
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raw_qs = undefined :: undefined | binary(),
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bindings = undefined :: undefined | cowboy_dispatcher:bindings(),
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headers = [] :: cowboy_http:headers(),
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p_headers = [] :: [any()], %% @todo Improve those specs.
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cookies = undefined :: undefined | [{binary(), binary()}],
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meta = [] :: [{atom(), any()}],
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%% Request body.
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body_state = waiting :: waiting | done | {stream, fun(), any(), fun()}
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| {multipart, non_neg_integer(), fun()},
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buffer = <<>> :: binary(),
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%% Response.
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resp_state = waiting :: locked | waiting | chunks | done,
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resp_headers = [] :: cowboy_http:headers(),
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resp_body = <<>> :: iodata() | {non_neg_integer(),
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fun(() -> {sent, non_neg_integer()})},
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%% Functions.
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urldecode :: {fun((binary(), T) -> binary()), T}
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}).
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