diff options
Diffstat (limited to 'lib/ssl/src/tls_sender.erl')
-rw-r--r-- | lib/ssl/src/tls_sender.erl | 50 |
1 files changed, 43 insertions, 7 deletions
diff --git a/lib/ssl/src/tls_sender.erl b/lib/ssl/src/tls_sender.erl index 2746d89048..007fd345dd 100644 --- a/lib/ssl/src/tls_sender.erl +++ b/lib/ssl/src/tls_sender.erl @@ -25,6 +25,7 @@ -include("ssl_internal.hrl"). -include("ssl_alert.hrl"). -include("ssl_handshake.hrl"). +-include("ssl_api.hrl"). %% API -export([start/0, start/1, initialize/2, send_data/2, send_alert/2, renegotiate/1, @@ -32,7 +33,7 @@ %% gen_statem callbacks -export([callback_mode/0, init/1, terminate/3, code_change/4]). --export([init/3, connection/3, handshake/3]). +-export([init/3, connection/3, handshake/3, death_row/3]). -define(SERVER, ?MODULE). @@ -53,6 +54,7 @@ %%%=================================================================== %%% API %%%=================================================================== +%%-------------------------------------------------------------------- -spec start() -> {ok, Pid :: pid()} | ignore | {error, Error :: term()}. @@ -65,7 +67,7 @@ %% same process is sending and receiving %%-------------------------------------------------------------------- start() -> - gen_statem:start(?MODULE, [], []). + gen_statem:start_link(?MODULE, [], []). start(SpawnOpts) -> gen_statem:start_link(?MODULE, [], SpawnOpts). @@ -77,10 +79,19 @@ start(SpawnOpts) -> initialize(Pid, InitMsg) -> gen_statem:call(Pid, {self(), InitMsg}). +%%-------------------------------------------------------------------- +-spec send_data(pid(), iodata()) -> ok. +%% Description: Send application data +%%-------------------------------------------------------------------- send_data(Pid, AppData) -> %% Needs error handling for external API call(Pid, {application_data, AppData}). +%%-------------------------------------------------------------------- +-spec send_alert(pid(), #alert{}) -> _. +%% Description: TLS connection process wants to end an Alert +%% in the connection state. +%%-------------------------------------------------------------------- send_alert(Pid, Alert) -> gen_statem:cast(Pid, Alert). @@ -99,10 +110,16 @@ renegotiate(Pid) -> %%-------------------------------------------------------------------- update_connection_state(Pid, NewState, Version) -> gen_statem:cast(Pid, {new_write, NewState, Version}). - +%%-------------------------------------------------------------------- +-spec dist_handshake_complete(pid(), node(), term()) -> ok. +%% Description: Erlang distribution callback +%%-------------------------------------------------------------------- dist_handshake_complete(ConnectionPid, Node, DHandle) -> gen_statem:call(ConnectionPid, {dist_handshake_complete, Node, DHandle}). - +%%-------------------------------------------------------------------- +-spec dist_tls_socket(pid()) -> {ok, #sslsocket{}}. +%% Description: To enable distribution startup to get a proper "#sslsocket{}" +%%-------------------------------------------------------------------- dist_tls_socket(Pid) -> gen_statem:call(Pid, dist_get_tls_socket). @@ -120,6 +137,9 @@ callback_mode() -> gen_statem:init_result(atom()). %%-------------------------------------------------------------------- init(_) -> + %% Note: Should not trap exits so that this process + %% will be terminated if tls_connection process is + %% killed brutally {ok, init, #data{}}. %%-------------------------------------------------------------------- @@ -233,6 +253,18 @@ handshake(info, Msg, StateData) -> handle_info(Msg, ?FUNCTION_NAME, StateData). %%-------------------------------------------------------------------- +-spec death_row(gen_statem:event_type(), + Msg :: term(), + StateData :: term()) -> + gen_statem:event_handler_result(atom()). +%%-------------------------------------------------------------------- +death_row(state_timeout, Reason, _State) -> + {stop, {shutdown, Reason}}; +death_row(_Type, _Msg, _State) -> + %% Waste all other events + keep_state_and_data. + +%%-------------------------------------------------------------------- -spec terminate(Reason :: term(), State :: term(), Data :: term()) -> any(). %%-------------------------------------------------------------------- @@ -254,8 +286,12 @@ code_change(_OldVsn, State, Data, _Extra) -> %%% Internal functions %%%=================================================================== handle_info({'DOWN', Monitor, _, _, Reason}, _, + #data{connection_monitor = Monitor, + dist_handle = Handle} = StateData) when Handle =/= undefined-> + {next_state, death_row, StateData, [{state_timeout, 5000, Reason}]}; +handle_info({'DOWN', Monitor, _, _, _}, _, #data{connection_monitor = Monitor} = StateData) -> - {stop, {shutdown, Reason}, StateData}; + {stop, normal, StateData}; handle_info(_,_,_) -> {keep_state_and_data}. @@ -290,8 +326,8 @@ send_application_data(Data, From, StateName, case Connection:send(Transport, Socket, Msgs) of ok when DistHandle =/= undefined -> {next_state, StateName, StateData, []}; - Error when DistHandle =/= undefined -> - ssl_connection:stop({shutdown, Error}, StateData); + Reason when DistHandle =/= undefined -> + {next_state, death_row, StateData, [{state_timeout, 5000, Reason}]}; ok -> {next_state, StateName, StateData, [{reply, From, ok}]}; Result -> |