File 4124-Clean-up-problems-with-socket-shutdown-and... of Package erlang

Overview Repositories Revisions Requests Users Attributes Meta

File 4124-Clean-up-problems-with-socket-shutdown-and-rotted-be.patch of Package erlang (Revision c4d0cccff3408fb870c23d419a1f7548)

Currently displaying revision c4d0cccff3408fb870c23d419a1f7548 , Show latest

From 055490e75134cedc5c1ae0a7d461a9722c57c1ac Mon Sep 17 00:00:00 2001
From: Raimo Niskanen <raimo@erlang.org>
Date: Mon, 26 Sep 2022 17:23:59 +0200
Subject: [PATCH 04/27] Clean up problems with socket shutdown and rotted
 benchmark

---
 lib/ssl/src/ssl_gen_statem.erl        | 22 ++++++++++++--
 lib/ssl/src/tls_sender.erl            | 28 +++++++++--------
 lib/ssl/test/inet_crypto_dist.erl     | 32 +++++++++++---------
 lib/ssl/test/ssl_dist_bench_SUITE.erl | 43 ++++++++++++++++++++++++++-
 4 files changed, 95 insertions(+), 30 deletions(-)

diff --git a/lib/ssl/src/ssl_gen_statem.erl b/lib/ssl/src/ssl_gen_statem.erl
index 0b4d032f78..2f59b150ca 100644
--- a/lib/ssl/src/ssl_gen_statem.erl
+++ b/lib/ssl/src/ssl_gen_statem.erl
@@ -909,9 +909,25 @@ read_application_data(Data,
             try read_application_dist_data(DHandle, Front, BufferSize, Rear) of
                 Buffer ->
                     {no_record, State#state{user_data_buffer = Buffer}}
-            catch error:_ ->
-                    {stop,disconnect,
-                     State#state{user_data_buffer = {Front,BufferSize,Rear}}}
+            catch
+                error:notsup ->
+                    %% Distribution controller has shut down
+                    %% so we are no longer input handler and therefore
+                    %% erlang:dist_ctrl_put_data/2 raises this exception
+                    {stop, {shutdown, dist_closed},
+                     %% This buffers known data, but we might have delivered
+                     %% some of it to the VM, which makes buffering all
+                     %% incorrect, as would be wasting all.
+                     %% But we are stopping the server so
+                     %% user_data_buffer is not important at all...
+                     State#state{
+                       user_data_buffer = {Front,BufferSize,Rear}}};
+                error:Reason:Stacktrace ->
+                    %% Unforeseen exception in parsing application data
+                    {stop,
+                     {disconnect,{error,Reason,Stacktrace}},
+                     State#state{
+                       user_data_buffer = {Front,BufferSize,Rear}}}
             end
     end.
 passive_receive(#state{user_data_buffer = {Front,BufferSize,Rear},
diff --git a/lib/ssl/src/tls_sender.erl b/lib/ssl/src/tls_sender.erl
index 68e4eeed4e..2d3f8f4f79 100644
--- a/lib/ssl/src/tls_sender.erl
+++ b/lib/ssl/src/tls_sender.erl
@@ -384,14 +384,18 @@ handshake(Type, Msg, StateData) ->
                 StateData :: term()) ->
                        gen_statem:event_handler_result(atom()).
 %%--------------------------------------------------------------------
-death_row(state_timeout, Reason, _State) ->
+death_row(state_timeout, Reason, _StateData) ->
     {stop, {shutdown, Reason}};
-death_row(info = Type, Msg, State) ->
-    handle_common(Type, Msg, State);
-death_row(_Type, _Msg, _State) ->
+death_row(info = Type, Msg, StateData) ->
+    handle_common(Type, Msg, StateData);
+death_row(_Type, _Msg, _StateData) ->
     %% Waste all other events
     keep_state_and_data.
 
+%% State entry function that starts shutdown state_timeout
+death_row_shutdown(Reason, StateData) ->
+    {next_state, death_row, StateData, [{state_timeout, 5000, Reason}]}.
+
 %%--------------------------------------------------------------------
 -spec terminate(Reason :: term(), State :: term(), Data :: term()) ->
                        any().
@@ -422,14 +426,14 @@ handle_common({call, From}, {set_opts, Opts},
   #data{static = #static{socket_options = SockOpts} = Static} = StateData) ->
     {keep_state, StateData#data{static = Static#static{socket_options = set_opts(SockOpts, Opts)}},
      [{reply, From, ok}]};
-handle_common(info, {'EXIT', _Sup, shutdown},
+handle_common(info, {'EXIT', _Sup, shutdown = Reason},
               #data{static = #static{erl_dist = true}} = StateData) ->
     %% When the connection is on its way down operations
-    %% begin to fail. We wait for 5 seconds to receive
-    %% possible exit signals for one of our links to the other
-    %% involved distribution parties, in which case we want to use
-    %% their exit reason for the connection teardown.
-    {next_state, death_row, StateData, [{state_timeout, 5000, shutdown}]};
+    %% begin to fail. We wait to receive possible exit signals
+    %% for one of our links to the other involved distribution parties,
+    %% in which case we want to use their exit reason
+    %% for the connection teardown.
+    death_row_shutdown(Reason, StateData);
 handle_common(info, {'EXIT', _Dist, Reason},
               #data{static = #static{erl_dist = true}} = StateData) ->
     {stop, {shutdown, Reason}, StateData};
@@ -493,7 +497,7 @@ send_application_data(Data, From, StateName,
                     StateData1 = update_bytes_sent(Version, StateData, Data),
                     {next_state, StateName, StateData1, []};
                 Reason when DistHandle =/= undefined ->
-                    {next_state, death_row, StateData, [{state_timeout, 5000, Reason}]};
+                    death_row_shutdown(Reason, StateData);
                 ok ->
                     ssl_logger:debug(LogLevel, outbound, 'record', Msgs),
                     StateData1 = update_bytes_sent(Version, StateData, Data),
@@ -522,7 +526,7 @@ send_post_handshake_data(Handshake, From, StateName,
             StateData = maybe_update_cipher_key(StateData1, Handshake),
             {next_state, StateName, StateData, []};
         Reason when DistHandle =/= undefined ->
-            {next_state, death_row, StateData1, [{state_timeout, 5000, Reason}]};
+            death_row_shutdown(Reason, StateData1);
         ok ->
             ssl_logger:debug(LogLevel, outbound, 'record', Encoded),
             StateData = maybe_update_cipher_key(StateData1, Handshake),
diff --git a/lib/ssl/test/inet_crypto_dist.erl b/lib/ssl/test/inet_crypto_dist.erl
index 58a303f48c..0c272f75ec 100644
--- a/lib/ssl/test/inet_crypto_dist.erl
+++ b/lib/ssl/test/inet_crypto_dist.erl
@@ -960,8 +960,8 @@ init_msg(
     MsgLen = byte_size(R1A) + TagLen + iolist_size(Plaintext),
     AAD = [<<MsgLen:32>>, R1A],
     {Ciphertext, Tag} =
-        crypto:crypto_one_time(AeadCipher, Key1A, IV1A,
-                               {AAD, Plaintext, TagLen}, true),
+        crypto:crypto_one_time_aead(
+          AeadCipher, Key1A, IV1A, Plaintext, AAD, TagLen, true),
     Msg = [R1A, Tag, Ciphertext],
     {R2A, R3A, Msg}.
 %%
@@ -982,8 +982,8 @@ init_msg(
             MsgLen = byte_size(Msg),
             AAD = [<<MsgLen:32>>, R1B],
             case
-                crypto:crypto_one_time(
-                  AeadCipher, Key1B, IV1B, {AAD, Ciphertext, Tag}, false)
+                crypto:crypto_one_time_aead(
+                  AeadCipher, Key1B, IV1B, Ciphertext, AAD, Tag, false)
             of
                 <<R2B:RLen/binary, R3B:RLen/binary, PubKeyB/binary>> ->
                     SharedSecret = compute_shared_secret(KeyPair, PubKeyB),
@@ -1000,8 +1000,9 @@ init_msg(
                     StartMsgLen = TagLen + iolist_size(StartCleartext),
                     StartAAD = <<StartMsgLen:32>>,
                     {StartCiphertext, StartTag} =
-                        crypto:crypto_one_time(AeadCipher, Key2A, IV2A,
-                                             {StartAAD, StartCleartext, TagLen}, true),
+                        crypto:crypto_one_time_aead(
+                          AeadCipher, Key2A, IV2A,
+                          StartCleartext, StartAAD, TagLen, true),
                     StartMsg = [StartTag, StartCiphertext],
                     %%
                     {Key2B, IV2B} =
@@ -1032,8 +1033,8 @@ start_msg(
             MsgLen = byte_size(Msg),
             AAD = <<MsgLen:32>>,
             case
-                crypto:crypto_one_time(
-                  AeadCipher, Key2B, IV2B, {AAD, Ciphertext, Tag}, false)
+                crypto:crypto_one_time_aead(
+                  AeadCipher, Key2B, IV2B, Ciphertext, AAD, Tag, false)
             of
                 <<R2A:RLen/binary, R3A:RLen/binary, RekeyCountB:32>>
                   when RekeyCountA =< (RekeyCountB bsl 2),
@@ -1044,7 +1045,7 @@ start_msg(
 
 hmac_key_iv(HmacAlgo, MacKey, Data, KeyLen, IVLen) ->
     <<Key:KeyLen/binary, IV:IVLen/binary>> =
-        crypto:macN(HmacAlgo, MacKey, Data, KeyLen + IVLen),
+        crypto:macN(hmac, HmacAlgo, MacKey, Data, KeyLen + IVLen),
     {Key, IV}.
 
 %% -------------------------------------------------------------------------
@@ -1455,8 +1456,8 @@ encrypt_chunk(
     AAD = <<Seq:32, ChunkLen:32>>,
     IVBin = <<IVSalt/binary, (IVNo + Seq):48>>,
     {Ciphertext, CipherTag} =
-        crypto:crypto_one_time(AeadCipher, Key, IVBin,
-                               {AAD, Cleartext, TagLen}, true),
+        crypto:crypto_one_time_aead(
+          AeadCipher, Key, IVBin, Cleartext, AAD, TagLen, true),
     Chunk = [Ciphertext,CipherTag],
     Chunk.
 
@@ -1478,7 +1479,7 @@ decrypt_chunk(
                   CipherTag:TagLen/binary>> ->
                     block_decrypt(
                       Params, Seq, AeadCipher, Key, IVBin,
-                      {AAD, Ciphertext, CipherTag});
+                      Ciphertext, AAD, CipherTag);
                 _ ->
                     error
             end
@@ -1488,8 +1489,11 @@ block_decrypt(
   #params{
      rekey_key = #key_pair{public = PubKeyA} = KeyPair,
      rekey_count = RekeyCount} = Params,
-  Seq, AeadCipher, Key, IV, Data) ->
-    case crypto:crypto_one_time(AeadCipher, Key, IV, Data, false) of
+  Seq, AeadCipher, Key, IV, Ciphertext, AAD, CipherTag) ->
+    case
+        crypto:crypto_one_time_aead(
+          AeadCipher, Key, IV, Ciphertext, AAD, CipherTag, false)
+    of
         <<?REKEY_CHUNK, Rest/binary>> ->
             PubKeyLen = byte_size(PubKeyA),
             case Rest of
diff --git a/lib/ssl/test/ssl_dist_bench_SUITE.erl b/lib/ssl/test/ssl_dist_bench_SUITE.erl
index f110931930..58d9b92e0b 100644
--- a/lib/ssl/test/ssl_dist_bench_SUITE.erl
+++ b/lib/ssl/test/ssl_dist_bench_SUITE.erl
@@ -625,6 +625,47 @@ throughput_runner(A, B, Rounds, Size) ->
             client_msacc_stats => MsaccStats,
             client_prof => Prof}.
 
+dig_dist_node_sockets() ->
+    DistCtrl2Node =
+        maps:from_list(
+          [{DistCtrl, Node}
+           || {Node, DistCtrl}
+                  <- erlang:system_info(dist_ctrl), is_pid(DistCtrl)]),
+    TlsDistConnSup = whereis(tls_dist_connection_sup),
+    InetCryptoDist = whereis(inet_crypto_dist),
+    [NodeSocket
+     || {_, Socket} = NodeSocket
+            <- erlang:system_info(dist_ctrl), is_port(Socket)]
+        ++
+        if
+            TlsDistConnSup =/= undefined ->
+                [case ConnSpec of
+                     {undefined, ConnSup, supervisor, _} ->
+                         [{receiver, ReceiverPid, worker, _},
+                          {sender, SenderPid, worker, _}] =
+                             lists:sort(supervisor:which_children(ConnSup)),
+                         {links,ReceiverLinks} =
+                             process_info(ReceiverPid, links),
+                         [Socket] = [S || S <- ReceiverLinks, is_port(S)],
+                         {maps:get(SenderPid, DistCtrl2Node), Socket}
+                 end
+                 || ConnSpec <- supervisor:which_children(TlsDistConnSup)];
+            InetCryptoDist =/= undefined ->
+                [begin
+                     {monitors,[{process,InputHandler}]} =
+                         erlang:process_info(DistCtrl, monitors),
+                     {links,InputHandlerLinks} =
+                         erlang:process_info(InputHandler, links),
+                     [Socket] =
+                         [S || S <- InputHandlerLinks, is_port(S)],
+                     {Node, Socket}
+                 end
+                 || {DistCtrl, Node} <- maps:to_list(DistCtrl2Node)];
+            true ->
+                []
+        end.
+
+-ifdef(undefined).
 dig_dist_node_sockets() ->
     [case DistCtrl of
          {_Node,Socket} = NodeSocket when is_port(Socket) ->
@@ -643,7 +684,7 @@ dig_dist_node_sockets() ->
                      {Node,Socket}
              end
      end || DistCtrl <- erlang:system_info(dist_ctrl)].
-
+-endif.
 
 throughput_server(Pid, N) ->
     GC_Before = get_server_gc_info(),
-- 
2.35.3

Places

File 4124-Clean-up-problems-with-socket-shutdown-and-rotted-be.patch of Package erlang (Revision c4d0cccff3408fb870c23d419a1f7548)

Places