ssl: TLS sender process needs to get updates of the socket option packet

If the socket option is set to {packet, 1|2|3|4}  sender process needs to
add a packet length header. If packet is changed with ssl:setopts/2 this needs
to be communicated to tls_sender.

1 files changed, 52 insertions, 0 deletions

diff --git a/lib/ssl/test/ssl_packet_SUITE.erl b/lib/ssl/test/ssl_packet_SUITE.erl
index 3261244ace..ebf8ddbfac 100644
--- a/lib/ssl/test/ssl_packet_SUITE.erl
+++ b/lib/ssl/test/ssl_packet_SUITE.erl
@@ -141,6 +141,7 @@ socket_active_packet_tests() ->
      packet_4_active_some_big,
      packet_wait_active,
      packet_size_active,
+     packet_switch,
      %% inet header option should be deprecated!
      header_decode_one_byte_active,
      header_decode_two_bytes_active,
@@ -702,6 +703,34 @@ packet_size_passive(Config) when is_list(Config) ->
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client).
 
+
+%%--------------------------------------------------------------------
+packet_switch() ->
+    [{doc,"Test packet option {packet, 2} followd by {packet, 4}"}].
+
+packet_switch(Config) when is_list(Config) ->
+    ClientOpts = ssl_test_lib:ssl_options(client_opts, Config),
+    ServerOpts = ssl_test_lib:ssl_options(server_opts, Config),
+    {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+    Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0},
+					{from, self()},
+					{mfa, {?MODULE, send_switch_packet ,["Hello World", 4]}},
+					{options, [{nodelay, true},{packet, 2} | ServerOpts]}]),
+    Port = ssl_test_lib:inet_port(Server),
+    Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port},
+					{host, Hostname},
+					{from, self()},
+					{mfa, {?MODULE, recv_switch_packet, ["Hello World", 4]}},
+					{options, [{nodelay, true}, {packet, 2} |
+						   ClientOpts]}]),
+
+    ssl_test_lib:check_result(Client, ok),
+
+    ssl_test_lib:close(Server),
+    ssl_test_lib:close(Client).
+
+
 %%--------------------------------------------------------------------
 packet_cdr_decode() ->
     [{doc,"Test setting the packet option {packet, cdr}, {mode, binary}"}].
@@ -2286,3 +2315,26 @@ client_reject_packet_opt(Config, PacketOpt) ->
                                                          ClientOpts]}]),
     
     ssl_test_lib:check_result(Client, {error, {options, {not_supported, PacketOpt}}}).
+
+
+send_switch_packet(SslSocket, Data, NextPacket) ->
+    ssl:send(SslSocket, Data),
+    receive
+        {ssl, SslSocket, "Hello World"} ->
+            ssl:setopts(SslSocket, [{packet, NextPacket}]),
+            ssl:send(SslSocket, Data),
+            receive 
+                {ssl, SslSocket, "Hello World"} ->
+                    ok
+            end
+    end.
+recv_switch_packet(SslSocket, Data, NextPacket) ->
+    receive
+        {ssl, SslSocket, "Hello World"} ->
+            ssl:send(SslSocket, Data),
+            ssl:setopts(SslSocket, [{packet, NextPacket}]),
+            receive 
+                {ssl, SslSocket, "Hello World"} ->
+                    ssl:send(SslSocket, Data)
+            end
+    end.