Packages

launchdarkly_server_sdk

2.1.2
3.11.0 3.10.1 3.9.0 3.8.1 3.8.0 3.7.2 3.7.1 3.7.0 3.6.0 3.5.0 3.4.0 3.3.1 3.3.0 3.2.0 3.1.0 3.0.4 3.0.3 3.0.2 3.0.1 3.0.0 2.1.2 2.1.1 2.1.0 2.0.5 2.0.4 2.0.3 2.0.2 2.0.1 2.0.0 1.6.0 1.5.0 1.4.0 1.3.2 1.3.1 1.3.0 1.2.0 1.1.3 1.1.2 1.1.1 retired 1.1.0 retired 1.0.1 retired 1.0.0 retired 1.0.0-beta4 retired 1.0.0-beta3 retired 1.0.0-beta2 retired

LaunchDarkly SDK for Erlang

HexDocs

Current section

Files

Jump to
Readme
45 Versions
8 Dependencies
4 Dependants
Files
Activity
launchdarkly_server_sdk src ldclient_http.erl
Raw

src/ldclient_http.erl 

%%-------------------------------------------------------------------

%% @doc HTTP utilities

%% @private

%% @end

%%-------------------------------------------------------------------

-module(ldclient_http).



%% API

-export([

    uri_parse/1,

    is_http_error_code_recoverable/1

]).



-spec port_for_scheme(Port :: undefined | inet:port_number(), Scheme :: atom()) -> inet:port_number().

port_for_scheme(undefined, undefined) ->

    80;

port_for_scheme(undefined, Scheme) ->

    case Scheme of

        https -> 443;

        _ -> 80

    end;

port_for_scheme(Port, _Scheme) ->

    Port.



-type uri_string() :: string() | binary().

-type parse_result() :: {atom(), uri_string(), inet:port_number(), uri_string(), uri_string()}.



-spec uri_parse(URL :: uri_string()) -> {ok, parse_result()}.

uri_parse(URL) ->

    Defaults = #{query => "", path => "", scheme => http, host => "", port => undefined},

    Parsed = uri_string:parse(URL),

    Merged = maps:merge(Defaults, Parsed),

    #{scheme:=Scheme,host:=Host,port:=Port,path:=Path,query:=Query} = Merged,

    SchemeAtom = list_to_atom(Scheme),

    {ok, {SchemeAtom, Host, port_for_scheme(Port, SchemeAtom), Path, Query}}.



-spec is_http_error_code_recoverable(StatusCode :: integer()) -> temporary | permanent.

is_http_error_code_recoverable(400) -> temporary;

is_http_error_code_recoverable(408) -> temporary;

is_http_error_code_recoverable(429) -> temporary;

is_http_error_code_recoverable(StatusCode) when StatusCode >= 500 -> temporary;

is_http_error_code_recoverable(_) -> permanent.