Packages
kafka_protocol
4.1.3
4.3.4
4.3.3
4.3.2
4.3.1
4.3.0
4.2.9
4.2.8
4.2.7
4.2.6
4.2.5
4.2.4
4.2.3
4.2.2
4.2.1
4.2.0
4.1.10
4.1.9
4.1.8
4.1.7
4.1.6
4.1.5
4.1.4
4.1.3
4.1.2
4.1.1
4.1.0
4.0.3
4.0.2
4.0.1
3.0.1
3.0.0
2.4.1
2.3.6
2.3.5
2.3.4
2.3.3
2.3.2
2.3.1
2.3.0
2.2.9
2.2.8
2.2.7
2.2.6
2.2.5
2.2.4
2.2.3
2.2.2
2.2.1
2.2.0
2.1.2
2.1.1
2.1.0
2.0.1
2.0.0
1.1.3
1.1.2
1.1.1
1.1.0
1.0.0
0.9.2
0.9.1
0.9.0
0.8.0
0.7.8
0.7.7
0.7.6
0.7.5
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.0
0.4.0
0.3.2
0.3.1
0.2.3
Kafka protocol library for Erlang/Elixir
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src/kpro_auth_backend.erl
%%%
%%% Copyright (c) 2017-2021, Klarna Bank AB (publ)
%%%
%%% Licensed under the Apache License, Version 2.0 (the "License");
%%% you may not use this file except in compliance with the License.
%%% You may obtain a copy of the License at
%%%
%%% http://www.apache.org/licenses/LICENSE-2.0
%%%
%%% Unless required by applicable law or agreed to in writing, software
%%% distributed under the License is distributed on an "AS IS" BASIS,
%%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%%% See the License for the specific language governing permissions and
%%% limitations under the License.
%%%
-module(kpro_auth_backend).
-export([auth/8]).
-callback auth(Host :: string(), Sock :: gen_tcp:socket() | ssl:sslsocket(),
Mod :: gen_tcp | ssl, ClientName :: binary(),
Timeout :: pos_integer(), SaslOpts :: term()) ->
ok | {error, Reason :: term()}.
-callback auth(Host :: string(), Sock :: gen_tcp:socket() | ssl:sslsocket(),
HandShakeVsn :: non_neg_integer(), Mod :: gen_tcp | ssl, ClientName :: binary(),
Timeout :: pos_integer(), SaslOpts :: term()) ->
ok | {error, Reason :: term()}.
-optional_callbacks([auth/6]).
-spec auth(CallbackModule :: atom(), Host :: string(),
Sock :: gen_tcp:socket() | ssl:sslsocket(),
Mod :: gen_tcp | ssl, ClientName :: binary(),
Timeout :: pos_integer(), SaslOpts :: term()) ->
ok | {error, Reason :: term()}.
auth(CallbackModule, Host, Sock, Mod, ClientName, Timeout, SaslOpts) ->
CallbackModule:auth(Host, Sock, Mod, ClientName, Timeout, SaslOpts).
-spec auth(CallbackModule :: atom(), Host :: string(),
Sock :: gen_tcp:socket() | ssl:sslsocket(),
HandShakeVsn :: non_neg_integer(),
Mod :: gen_tcp | ssl, ClientName :: binary(),
Timeout :: pos_integer(), SaslOpts :: term()) ->
ok | {error, Reason :: term()}.
auth(CallbackModule, Host, Sock, Vsn, Mod, ClientName, Timeout, SaslOpts) ->
case is_exported(CallbackModule, auth, 7) of
true ->
CallbackModule:auth(Host, Sock, Vsn, Mod, ClientName, Timeout, SaslOpts);
false ->
auth(CallbackModule, Host, Sock, Mod, ClientName, Timeout, SaslOpts)
end.
is_exported(M, F, A) ->
case erlang:module_loaded(M) of
false -> code:ensure_loaded(M);
true -> ok
end,
erlang:function_exported(M, F, A).
%%%_* Emacs ====================================================================
%%% Local Variables:
%%% allout-layout: t
%%% erlang-indent-level: 2
%%% End: