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0.9.2-rc.1
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AWS APIs library for Erlang
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Files
src/erlcloud_httpc.erl
%% @author Ransom Richardson <ransom@ransomr.net>
%% @doc
%%
%% HTTP client abstraction for erlcloud. Simplifies changing http clients.
%% API matches lhttpc, except Config is passed instead of options for
%% future cusomizability.
%%
%% @end
-module(erlcloud_httpc).
-include("erlcloud_aws.hrl").
-export([request/6]).
-type request_fun() ::
lhttpc | httpc |
{module(), atom()} |
fun((string(),
head | get | put | post | trace | options | delete,
list({binary(), binary()}),
binary(), pos_integer(), #aws_config{}) ->
{ok, {{pos_integer(), string()},
list({string(), string()}), binary()}} |
{error, any()}).
-export_type([request_fun/0]).
request(URL, Method, Hdrs, Body, Timeout,
#aws_config{http_client = lhttpc} = Config) ->
request_lhttpc(URL, Method, Hdrs, Body, Timeout, Config);
request(URL, Method, Hdrs, Body, Timeout,
#aws_config{http_client = httpc} = Config) ->
request_httpc(URL, Method, Hdrs, Body, Timeout, Config);
request(URL, Method, Hdrs, Body, Timeout,
#aws_config{http_client = {M, F}} = Config)
when is_atom(M), is_atom(F) ->
M:F(URL, Method, Hdrs, Body, Timeout, Config);
request(URL, Method, Hdrs, Body, Timeout,
#aws_config{http_client = F} = Config)
when is_function(F, 6) ->
F(URL, Method, Hdrs, Body, Timeout, Config).
request_lhttpc(URL, Method, Hdrs, Body, Timeout, _Config) ->
lhttpc:request(URL, Method, Hdrs, Body, Timeout, []).
request_httpc(URL, Method, Hdrs, <<>>, Timeout, _Config) ->
HdrsStr = [{binary_to_list(K), binary_to_list(V)} || {K, V} <- Hdrs],
response_httpc(httpc:request(Method, {URL, HdrsStr},
[{timeout, Timeout}],
[{body_format, binary}]));
request_httpc(URL, Method, Hdrs, Body, Timeout, _Config) ->
{value,
{_, ContentType}, HdrsRest} = lists:keytake(<<"content-type">>, 1, Hdrs),
HdrsStr = [{binary_to_list(K), binary_to_list(V)} || {K, V} <- HdrsRest],
response_httpc(httpc:request(Method,
{URL, HdrsStr,
binary_to_list(ContentType), Body},
[{timeout, Timeout}],
[{body_format, binary}])).
response_httpc({ok, {{_HTTPVer, Status, StatusLine}, Headers, Body}}) ->
{ok, {{Status, StatusLine}, Headers, Body}};
response_httpc({error, _} = Error) ->
Error.