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-rw-r--r--lib/ssl/doc/src/ssl.xml7
-rw-r--r--lib/ssl/src/ssl.erl11
-rw-r--r--lib/ssl/src/ssl_connection.erl88
-rw-r--r--lib/ssl/src/ssl_internal.hrl6
-rw-r--r--lib/ssl/test/Makefile3
-rw-r--r--lib/ssl/test/ssl_basic_SUITE.erl44
-rw-r--r--lib/ssl/test/ssl_test_lib.erl12
7 files changed, 129 insertions, 42 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index daf7b77527..cd5c9281cd 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -269,6 +269,13 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} |
<p> {bad_cert, cert_expired}, {bad_cert, invalid_issuer}, {bad_cert, invalid_signature}, {bad_cert, unknown_ca}, {bad_cert, name_not_permitted}, {bad_cert, missing_basic_constraint}, {bad_cert, invalid_key_usage}</p>
</item>
+ <tag>{hibernate_after, integer()|undefined}</tag>
+ <item>When an integer-value is specified, the <code>ssl_connection</code>
+ will go into hibernation after the specified number of milliseconds
+ of inactivity, thus reducing its memory footprint. When
+ <code>undefined</code> is specified (this is the default), the process
+ will never go into hibernation.
+ </item>
</taglist>
</section>
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index b85188b878..3512e194bc 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -60,7 +60,7 @@
{keyfile, path()} | {password, string()} | {cacerts, [der_encoded()]} |
{cacertfile, path()} | {dh, der_encoded()} | {dhfile, path()} |
{ciphers, ciphers()} | {ssl_imp, ssl_imp()} | {reuse_sessions, boolean()} |
- {reuse_session, fun()}.
+ {reuse_session, fun()} | {hibernate_after, integer()|undefined}.
-type verify_type() :: verify_none | verify_peer.
-type path() :: string().
@@ -711,7 +711,8 @@ handle_options(Opts0, _Role) ->
reuse_sessions = handle_option(reuse_sessions, Opts, true),
secure_renegotiate = handle_option(secure_renegotiate, Opts, false),
renegotiate_at = handle_option(renegotiate_at, Opts, ?DEFAULT_RENEGOTIATE_AT),
- debug = handle_option(debug, Opts, [])
+ debug = handle_option(debug, Opts, []),
+ hibernate_after = handle_option(hibernate_after, Opts, undefined)
},
CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}),
@@ -720,7 +721,7 @@ handle_options(Opts0, _Role) ->
depth, cert, certfile, key, keyfile,
password, cacerts, cacertfile, dh, dhfile, ciphers,
debug, reuse_session, reuse_sessions, ssl_imp,
- cb_info, renegotiate_at, secure_renegotiate],
+ cb_info, renegotiate_at, secure_renegotiate, hibernate_after],
SockOpts = lists:foldl(fun(Key, PropList) ->
proplists:delete(Key, PropList)
@@ -827,6 +828,10 @@ validate_option(renegotiate_at, Value) when is_integer(Value) ->
validate_option(debug, Value) when is_list(Value); Value == true ->
Value;
+validate_option(hibernate_after, undefined) ->
+ undefined;
+validate_option(hibernate_after, Value) when is_integer(Value), Value >= 0 ->
+ Value;
validate_option(Opt, Value) ->
throw({error, {eoptions, {Opt, Value}}}).
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 85245f4342..574e1e9468 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -289,9 +289,9 @@ start_link(Role, Host, Port, Socket, Options, User, CbInfo) ->
%% gen_fsm callbacks
%%====================================================================
%%--------------------------------------------------------------------
--spec init(list()) -> {ok, state_name(), #state{}} | {stop, term()}.
+-spec init(list()) -> {ok, state_name(), #state{}, timeout()} | {stop, term()}.
%% Possible return values not used now.
-%% | {ok, state_name(), #state{}, timeout()} |
+%% | {ok, state_name(), #state{}} |
%% ignore
%% Description:Whenever a gen_fsm is started using gen_fsm:start/[3,4] or
%% gen_fsm:start_link/3,4, this function is called by the new process to
@@ -311,7 +311,7 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options,
session_cache = CacheRef,
private_key = Key,
diffie_hellman_params = DHParams},
- {ok, hello, State}
+ {ok, hello, State, get_timeout(State)}
catch
throw:Error ->
{stop, Error}
@@ -412,6 +412,9 @@ hello(Hello = #client_hello{client_version = ClientVersion},
{stop, normal, State}
end;
+hello(timeout, State) ->
+ { next_state, hello, State, hibernate };
+
hello(Msg, State) ->
handle_unexpected_message(Msg, hello, State).
%%--------------------------------------------------------------------
@@ -460,6 +463,9 @@ abbreviated(#finished{verify_data = Data} = Finished,
{stop, normal, State}
end;
+abbreviated(timeout, State) ->
+ { next_state, abbreviated, State, hibernate };
+
abbreviated(Msg, State) ->
handle_unexpected_message(Msg, abbreviated, State).
@@ -582,6 +588,9 @@ certify(#client_key_exchange{exchange_keys = Keys},
{stop, normal, State}
end;
+certify(timeout, State) ->
+ { next_state, certify, State, hibernate };
+
certify(Msg, State) ->
handle_unexpected_message(Msg, certify, State).
@@ -664,6 +673,9 @@ cipher(#finished{verify_data = Data} = Finished,
{stop, normal, State}
end;
+cipher(timeout, State) ->
+ { next_state, cipher, State, hibernate };
+
cipher(Msg, State) ->
handle_unexpected_message(Msg, cipher, State).
@@ -693,6 +705,9 @@ connection(#hello_request{}, #state{host = Host, port = Port,
connection(#client_hello{} = Hello, #state{role = server} = State) ->
hello(Hello, State);
+connection(timeout, State) ->
+ {next_state, connection, State, hibernate};
+
connection(Msg, State) ->
handle_unexpected_message(Msg, connection, State).
%%--------------------------------------------------------------------
@@ -705,7 +720,7 @@ connection(Msg, State) ->
%% the event. Not currently used!
%%--------------------------------------------------------------------
handle_event(_Event, StateName, State) ->
- {next_state, StateName, State}.
+ {next_state, StateName, State, get_timeout(State)}.
%%--------------------------------------------------------------------
-spec handle_sync_event(term(), from(), state_name(), #state{}) ->
@@ -736,7 +751,8 @@ handle_sync_event({application_data, Data0}, From, connection,
{Msgs, [], ConnectionStates} ->
Result = Transport:send(Socket, Msgs),
{reply, Result,
- connection, State#state{connection_states = ConnectionStates}};
+ connection, State#state{connection_states = ConnectionStates},
+ get_timeout(State)};
{Msgs, RestData, ConnectionStates} ->
if
Msgs =/= [] ->
@@ -749,12 +765,14 @@ handle_sync_event({application_data, Data0}, From, connection,
renegotiation = {true, internal}})
end
catch throw:Error ->
- {reply, Error, connection, State}
+ {reply, Error, connection, State, get_timeout(State)}
end;
handle_sync_event({application_data, Data}, From, StateName,
#state{send_queue = Queue} = State) ->
%% In renegotiation priorities handshake, send data when handshake is finished
- {next_state, StateName, State#state{send_queue = queue:in({From, Data}, Queue)}};
+ {next_state, StateName,
+ State#state{send_queue = queue:in({From, Data}, Queue)},
+ get_timeout(State)};
handle_sync_event(start, From, hello, State) ->
hello(start, State#state{from = From});
@@ -768,9 +786,9 @@ handle_sync_event(start, From, hello, State) ->
%% here to make sure it is the users problem and not owers if
%% they upgrade a active socket.
handle_sync_event(start, _, connection, State) ->
- {reply, connected, connection, State};
+ {reply, connected, connection, State, get_timeout(State)};
handle_sync_event(start, From, StateName, State) ->
- {next_state, StateName, State#state{from = From}};
+ {next_state, StateName, State#state{from = From}, get_timeout(State)};
handle_sync_event(close, _, StateName, State) ->
%% Run terminate before returning
@@ -796,7 +814,7 @@ handle_sync_event({shutdown, How0}, _, StateName,
case Transport:shutdown(Socket, How0) of
ok ->
- {reply, ok, StateName, State};
+ {reply, ok, StateName, State, get_timeout(State)};
Error ->
{stop, normal, Error, State}
end;
@@ -807,30 +825,33 @@ handle_sync_event({recv, N}, From, connection = StateName, State0) ->
%% Doing renegotiate wait with handling request until renegotiate is
%% finished. Will be handled by next_state_connection/2.
handle_sync_event({recv, N}, From, StateName, State) ->
- {next_state, StateName, State#state{bytes_to_read = N, from = From,
- recv_during_renegotiation = true}};
+ {next_state, StateName,
+ State#state{bytes_to_read = N, from = From,
+ recv_during_renegotiation = true},
+ get_timeout(State)};
handle_sync_event({new_user, User}, _From, StateName,
State =#state{user_application = {OldMon, _}}) ->
NewMon = erlang:monitor(process, User),
erlang:demonitor(OldMon, [flush]),
- {reply, ok, StateName, State#state{user_application = {NewMon,User}}};
+ {reply, ok, StateName, State#state{user_application = {NewMon,User}},
+ get_timeout(State)};
handle_sync_event({get_opts, OptTags}, _From, StateName,
#state{socket = Socket,
socket_options = SockOpts} = State) ->
OptsReply = get_socket_opts(Socket, OptTags, SockOpts, []),
- {reply, OptsReply, StateName, State};
+ {reply, OptsReply, StateName, State, get_timeout(State)};
handle_sync_event(sockname, _From, StateName,
#state{socket = Socket} = State) ->
SockNameReply = inet:sockname(Socket),
- {reply, SockNameReply, StateName, State};
+ {reply, SockNameReply, StateName, State, get_timeout(State)};
handle_sync_event(peername, _From, StateName,
#state{socket = Socket} = State) ->
PeerNameReply = inet:peername(Socket),
- {reply, PeerNameReply, StateName, State};
+ {reply, PeerNameReply, StateName, State, get_timeout(State)};
handle_sync_event({set_opts, Opts0}, _From, StateName,
#state{socket_options = Opts1,
@@ -840,27 +861,27 @@ handle_sync_event({set_opts, Opts0}, _From, StateName,
State1 = State0#state{socket_options = Opts},
if
Opts#socket_options.active =:= false ->
- {reply, ok, StateName, State1};
+ {reply, ok, StateName, State1, get_timeout(State1)};
Buffer =:= <<>>, Opts1#socket_options.active =:= false ->
%% Need data, set active once
{Record, State2} = next_record_if_active(State1),
case next_state(StateName, Record, State2) of
- {next_state, StateName, State} ->
- {reply, ok, StateName, State};
+ {next_state, StateName, State, Timeout} ->
+ {reply, ok, StateName, State, Timeout};
{stop, Reason, State} ->
{stop, Reason, State}
end;
Buffer =:= <<>> ->
%% Active once already set
- {reply, ok, StateName, State1};
+ {reply, ok, StateName, State1, get_timeout(State1)};
true ->
case application_data(<<>>, State1) of
Stop = {stop,_,_} ->
Stop;
{Record, State2} ->
case next_state(StateName, Record, State2) of
- {next_state, StateName, State} ->
- {reply, ok, StateName, State};
+ {next_state, StateName, State, Timeout} ->
+ {reply, ok, StateName, State, Timeout};
{stop, Reason, State} ->
{stop, Reason, State}
end
@@ -871,7 +892,7 @@ handle_sync_event(renegotiate, From, connection, State) ->
renegotiate(State#state{renegotiation = {true, From}});
handle_sync_event(renegotiate, _, StateName, State) ->
- {reply, {error, already_renegotiating}, StateName, State};
+ {reply, {error, already_renegotiating}, StateName, State, get_timeout(State)};
handle_sync_event(info, _, StateName,
#state{negotiated_version = Version,
@@ -879,19 +900,19 @@ handle_sync_event(info, _, StateName,
AtomVersion = ssl_record:protocol_version(Version),
{reply, {ok, {AtomVersion, ssl_cipher:suite_definition(Suite)}},
- StateName, State};
+ StateName, State, get_timeout(State)};
handle_sync_event(session_info, _, StateName,
#state{session = #session{session_id = Id,
cipher_suite = Suite}} = State) ->
{reply, [{session_id, Id},
{cipher_suite, ssl_cipher:suite_definition(Suite)}],
- StateName, State};
+ StateName, State, get_timeout(State)};
handle_sync_event(peer_certificate, _, StateName,
#state{session = #session{peer_certificate = Cert}}
= State) ->
- {reply, {ok, Cert}, StateName, State}.
+ {reply, {ok, Cert}, StateName, State, get_timeout(State)}.
%%--------------------------------------------------------------------
-spec handle_info(msg(),state_name(), #state{}) ->
@@ -955,7 +976,7 @@ handle_info({'DOWN', MonitorRef, _, _, _}, _,
handle_info(Msg, StateName, State) ->
Report = io_lib:format("SSL: Got unexpected info: ~p ~n", [Msg]),
error_logger:info_report(Report),
- {next_state, StateName, State}.
+ {next_state, StateName, State, get_timeout(State)}.
%%--------------------------------------------------------------------
-spec terminate(reason(), state_name(), #state{}) -> term().
@@ -1778,7 +1799,7 @@ handle_tls_handshake(Handle, StateName, #state{tls_packets = [Packet]} = State)
handle_tls_handshake(Handle, StateName, #state{tls_packets = [Packet | Packets]} = State0) ->
FsmReturn = {next_state, StateName, State0#state{tls_packets = Packets}},
case Handle(Packet, FsmReturn) of
- {next_state, NextStateName, State} ->
+ {next_state, NextStateName, State, _Timeout} ->
handle_tls_handshake(Handle, NextStateName, State);
{stop, _,_} = Stop ->
Stop
@@ -1789,11 +1810,11 @@ next_state(_, #alert{} = Alert, #state{negotiated_version = Version} = State) ->
{stop, normal, State};
next_state(Next, no_record, State) ->
- {next_state, Next, State};
+ {next_state, Next, State, get_timeout(State)};
next_state(Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) ->
Alerts = decode_alerts(EncAlerts),
- handle_alerts(Alerts, {next_state, Next, State});
+ handle_alerts(Alerts, {next_state, Next, State, get_timeout(State)});
next_state(StateName, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
State0 = #state{tls_handshake_buffer = Buf0, negotiated_version = Version}) ->
@@ -2044,7 +2065,7 @@ handle_alerts([], Result) ->
handle_alerts(_, {stop, _, _} = Stop) ->
%% If it is a fatal alert immediately close
Stop;
-handle_alerts([Alert | Alerts], {next_state, StateName, State}) ->
+handle_alerts([Alert | Alerts], {next_state, StateName, State, _Timeout}) ->
handle_alerts(Alerts, handle_alert(Alert, StateName, State)).
handle_alert(#alert{level = ?FATAL} = Alert, StateName,
@@ -2225,3 +2246,8 @@ linux_workaround_transport_delivery_problems(#alert{level = ?FATAL}, Socket) ->
end;
linux_workaround_transport_delivery_problems(_, _) ->
ok.
+
+get_timeout(#state{ssl_options=#ssl_options{hibernate_after=undefined}}) ->
+ infinity;
+get_timeout(#state{ssl_options=#ssl_options{hibernate_after=HibernateAfter}}) ->
+ HibernateAfter.
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index 715941e3ad..c28daa271e 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -98,7 +98,11 @@
reuse_sessions, % boolean()
renegotiate_at,
secure_renegotiate,
- debug %
+ debug,
+ hibernate_after % undefined if not hibernating,
+ % or number of ms of inactivity
+ % after which ssl_connection will
+ % go into hibernation
}).
-record(socket_options,
diff --git a/lib/ssl/test/Makefile b/lib/ssl/test/Makefile
index 823401c863..fd3b6d06ad 100644
--- a/lib/ssl/test/Makefile
+++ b/lib/ssl/test/Makefile
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1999-2010. All Rights Reserved.
+# Copyright Ericsson AB 1999-2011. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
@@ -60,6 +60,7 @@ ERL_FILES = $(MODULES:%=%.erl)
HRL_FILES = ssl_test_MACHINE.hrl
HRL_FILES_SRC = \
+ ssl_int.hrl \
ssl_alert.hrl \
ssl_handshake.hrl
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index 8495ddb1d7..4f0907027f 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -29,6 +29,7 @@
-include_lib("public_key/include/public_key.hrl").
-include("ssl_alert.hrl").
+-include("ssl_int.hrl").
-define('24H_in_sec', 86400).
-define(TIMEOUT, 60000).
@@ -250,7 +251,9 @@ all() ->
unknown_server_ca_accept_backwardscompatibilty,
%%different_ca_peer_sign,
no_reuses_session_server_restart_new_cert,
- no_reuses_session_server_restart_new_cert_file, reuseaddr].
+ no_reuses_session_server_restart_new_cert_file, reuseaddr,
+ hibernate
+ ].
groups() ->
[].
@@ -3319,6 +3322,45 @@ reuseaddr(Config) when is_list(Config) ->
ssl_test_lib:close(Client1).
%%--------------------------------------------------------------------
+
+hibernate(doc) ->
+ ["Check that an SSL connection that is started with option "
+ "{hibernate_after, 1000} indeed hibernates after 1000ms of "
+ "inactivity"];
+
+hibernate(suite) ->
+ [];
+
+hibernate(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, send_recv_result_active, []}},
+ {options, ServerOpts}]),
+ Port = ssl_test_lib:inet_port(Server),
+ {Client, #sslsocket{pid=Pid}} = ssl_test_lib:start_client([return_socket,
+ {node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, send_recv_result_active, []}},
+ {options, [{hibernate_after, 1000}|ClientOpts]}]),
+
+ { current_function, { _M, _F, _A } } =
+ process_info(Pid, current_function),
+
+ timer:sleep(1100),
+
+ { current_function, { erlang, hibernate, 3} } =
+ process_info(Pid, current_function),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
send_recv_result(Socket) ->
diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl
index f6ccbe85e3..8c639aa312 100644
--- a/lib/ssl/test/ssl_test_lib.erl
+++ b/lib/ssl/test/ssl_test_lib.erl
@@ -128,12 +128,14 @@ remove_close_msg(ReconnectTimes) ->
remove_close_msg(ReconnectTimes -1)
end.
-
start_client(Args) ->
- Result = spawn_link(?MODULE, run_client, [Args]),
+ Result = spawn_link(?MODULE, run_client, [lists:delete(return_socket, Args)]),
receive
- connected ->
- Result
+ { connected, Socket } ->
+ case lists:member(return_socket, Args) of
+ true -> { Result, Socket };
+ false -> Result
+ end
end.
run_client(Opts) ->
@@ -145,7 +147,7 @@ run_client(Opts) ->
test_server:format("ssl:connect(~p, ~p, ~p)~n", [Host, Port, Options]),
case rpc:call(Node, ssl, connect, [Host, Port, Options]) of
{ok, Socket} ->
- Pid ! connected,
+ Pid ! { connected, Socket },
test_server:format("Client: connected~n", []),
%% In specail cases we want to know the client port, it will
%% be indicated by sending {port, 0} in options list!