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https://github.com/processone/ejabberd.git
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* src/ejabberd_c2s.erl: Hibernate inactive c2s processes (EJAB-356).
SVN Revision: 934
This commit is contained in:
Mickaël Rémond
parent
f787a3ed71
commit
8d3d59535d
@ -87,6 +87,7 @@
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%% This is the timeout to apply between event when starting a new
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%% session:
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-define(C2S_OPEN_TIMEOUT, 5000).
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-define(C2S_HIBERNATE_TIMEOUT, 90000).
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-define(STREAM_HEADER,
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"<?xml version='1.0'?>"
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@ -266,11 +267,11 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
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c2s_stream_features,
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Server,
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[], [])}),
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{next_state, wait_for_feature_request,
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StateData#state{server = Server,
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sasl_state = SASLState,
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lang = Lang},
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?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_feature_request,
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StateData#state{
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server = Server,
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sasl_state = SASLState,
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lang = Lang});
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_ ->
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case StateData#state.resource of
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"" ->
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@ -281,17 +282,18 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
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[{"xmlns", ?NS_BIND}], []},
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{xmlelement, "session",
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[{"xmlns", ?NS_SESSION}], []}]}),
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{next_state, wait_for_bind,
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StateData#state{server = Server,
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lang = Lang},
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?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_bind,
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StateData#state{
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server = Server,
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lang = Lang});
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_ ->
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send_element(
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StateData,
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{xmlelement, "stream:features", [], []}),
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{next_state, wait_for_session,
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StateData#state{server = Server,
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lang = Lang}}
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fsm_next_state(wait_for_session,
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StateData#state{
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server = Server,
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lang = Lang})
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end
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end;
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_ ->
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@ -311,9 +313,10 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
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{stop, normal, StateData};
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true ->
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send_text(StateData, Header),
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{next_state, wait_for_auth,
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StateData#state{server = Server,
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lang = Lang}}
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fsm_next_state(wait_for_auth,
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StateData#state{
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server = Server,
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lang = Lang})
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end
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end;
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_ ->
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@ -385,13 +388,13 @@ wait_for_auth({xmlstreamelement, El}, StateData) ->
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]}]}
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end,
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send_element(StateData, Res),
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{next_state, wait_for_auth, StateData, ?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_auth, StateData);
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{auth, _ID, set, {_U, _P, _D, ""}} ->
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Err = jlib:make_error_reply(
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El,
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?ERR_AUTH_NO_RESOURCE_PROVIDED(StateData#state.lang)),
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send_element(StateData, Err),
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{next_state, wait_for_auth, StateData, ?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_auth, StateData);
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{auth, _ID, set, {U, P, D, R}} ->
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JID = jlib:make_jid(U, StateData#state.server, R),
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case (JID /= error) andalso
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@ -428,14 +431,15 @@ wait_for_auth({xmlstreamelement, El}, StateData) ->
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privacy_get_user_list, StateData#state.server,
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none,
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[U, StateData#state.server]),
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{next_state, session_established,
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StateData#state{user = U,
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fsm_next_state(session_established,
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StateData#state{
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user = U,
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resource = R,
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jid = JID,
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sid = SID,
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pres_f = ?SETS:from_list(Fs1),
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pres_t = ?SETS:from_list(Ts1),
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privacy_list = PrivList}};
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privacy_list = PrivList});
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_ ->
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?INFO_MSG(
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"(~w) Failed legacy authentication for ~s",
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@ -444,8 +448,7 @@ wait_for_auth({xmlstreamelement, El}, StateData) ->
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Err = jlib:make_error_reply(
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El, ?ERR_NOT_AUTHORIZED),
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send_element(StateData, Err),
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{next_state, wait_for_auth, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_auth, StateData)
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end;
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_ ->
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if
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@ -456,8 +459,7 @@ wait_for_auth({xmlstreamelement, El}, StateData) ->
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[StateData#state.socket, U, R]),
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Err = jlib:make_error_reply(El, ?ERR_JID_MALFORMED),
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send_element(StateData, Err),
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{next_state, wait_for_auth, StateData,
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?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_auth, StateData);
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true ->
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?INFO_MSG(
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"(~w) Forbidden legacy authentication for ~s",
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@ -465,13 +467,12 @@ wait_for_auth({xmlstreamelement, El}, StateData) ->
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jlib:jid_to_string(JID)]),
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Err = jlib:make_error_reply(El, ?ERR_NOT_ALLOWED),
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send_element(StateData, Err),
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{next_state, wait_for_auth, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_auth, StateData)
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end
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end;
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_ ->
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process_unauthenticated_stanza(StateData, El),
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{next_state, wait_for_auth, StateData, ?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_auth, StateData)
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end;
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wait_for_auth(timeout, StateData) ->
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@ -512,20 +513,20 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
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U = xml:get_attr_s(username, Props),
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?INFO_MSG("(~w) Accepted authentication for ~s",
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[StateData#state.socket, U]),
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{next_state, wait_for_stream,
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StateData#state{streamid = new_id(),
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fsm_next_state(wait_for_stream,
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StateData#state{
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streamid = new_id(),
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authenticated = true,
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user = U
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}, ?C2S_OPEN_TIMEOUT};
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user = U });
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{continue, ServerOut, NewSASLState} ->
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send_element(StateData,
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{xmlelement, "challenge",
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[{"xmlns", ?NS_SASL}],
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[{xmlcdata,
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jlib:encode_base64(ServerOut)}]}),
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{next_state, wait_for_sasl_response,
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StateData#state{sasl_state = NewSASLState},
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?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_sasl_response,
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StateData#state{
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sasl_state = NewSASLState});
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{error, Error, Username} ->
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?INFO_MSG(
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"(~w) Failed authentication for ~s@~s",
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@ -542,8 +543,7 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
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{xmlelement, "failure",
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[{"xmlns", ?NS_SASL}],
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[{xmlelement, Error, [], []}]}),
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{next_state, wait_for_feature_request, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_feature_request, StateData)
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end;
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{?NS_TLS, "starttls"} when TLS == true,
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TLSEnabled == false,
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@ -562,11 +562,11 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
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Socket, TLSOpts,
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xml:element_to_string(
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{xmlelement, "proceed", [{"xmlns", ?NS_TLS}], []})),
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{next_state, wait_for_stream,
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StateData#state{socket = TLSSocket,
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streamid = new_id(),
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tls_enabled = true
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}, ?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_stream,
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StateData#state{socket = TLSSocket,
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streamid = new_id(),
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tls_enabled = true
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});
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{?NS_COMPRESS, "compress"} when Zlib == true,
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SockMod == gen_tcp ->
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case xml:get_subtag(El, "method") of
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@ -575,8 +575,7 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
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{xmlelement, "failure",
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[{"xmlns", ?NS_COMPRESS}],
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[{xmlelement, "setup-failed", [], []}]}),
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{next_state, wait_for_feature_request, StateData,
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?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_feature_request, StateData);
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Method ->
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case xml:get_tag_cdata(Method) of
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"zlib" ->
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@ -586,18 +585,18 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
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xml:element_to_string(
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{xmlelement, "compressed",
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[{"xmlns", ?NS_COMPRESS}], []})),
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{next_state, wait_for_stream,
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fsm_next_state(wait_for_stream,
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StateData#state{socket = ZlibSocket,
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streamid = new_id()
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}, ?C2S_OPEN_TIMEOUT};
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});
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_ ->
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send_element(StateData,
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{xmlelement, "failure",
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[{"xmlns", ?NS_COMPRESS}],
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[{xmlelement, "unsupported-method",
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[], []}]}),
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{next_state, wait_for_feature_request, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_feature_request,
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StateData)
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end
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end;
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_ ->
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@ -611,8 +610,7 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
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{stop, normal, StateData};
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true ->
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process_unauthenticated_stanza(StateData, El),
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{next_state, wait_for_feature_request, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_feature_request, StateData)
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end
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end;
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@ -647,19 +645,19 @@ wait_for_sasl_response({xmlstreamelement, El}, StateData) ->
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U = xml:get_attr_s(username, Props),
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?INFO_MSG("(~w) Accepted authentication for ~s",
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[StateData#state.socket, U]),
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{next_state, wait_for_stream,
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StateData#state{streamid = new_id(),
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fsm_next_state(wait_for_stream,
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StateData#state{
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streamid = new_id(),
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authenticated = true,
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user = U
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}, ?C2S_OPEN_TIMEOUT};
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user = U});
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{continue, ServerOut, NewSASLState} ->
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send_element(StateData,
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{xmlelement, "challenge",
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[{"xmlns", ?NS_SASL}],
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[{xmlcdata,
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jlib:encode_base64(ServerOut)}]}),
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{next_state, wait_for_sasl_response,
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StateData#state{sasl_state = NewSASLState}};
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fsm_next_state(wait_for_sasl_response,
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StateData#state{sasl_state = NewSASLState});
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{error, Error, Username} ->
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?INFO_MSG(
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"(~w) Failed authentication for ~s@~s",
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@ -669,20 +667,17 @@ wait_for_sasl_response({xmlstreamelement, El}, StateData) ->
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{xmlelement, "failure",
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[{"xmlns", ?NS_SASL}],
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[{xmlelement, Error, [], []}]}),
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{next_state, wait_for_feature_request, StateData,
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?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_feature_request, StateData);
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{error, Error} ->
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send_element(StateData,
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{xmlelement, "failure",
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[{"xmlns", ?NS_SASL}],
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[{xmlelement, Error, [], []}]}),
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{next_state, wait_for_feature_request, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_feature_request, StateData)
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end;
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_ ->
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process_unauthenticated_stanza(StateData, El),
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{next_state, wait_for_feature_request, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_feature_request, StateData)
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end;
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wait_for_sasl_response(timeout, StateData) ->
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@ -717,7 +712,7 @@ wait_for_bind({xmlstreamelement, El}, StateData) ->
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error ->
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Err = jlib:make_error_reply(El, ?ERR_BAD_REQUEST),
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send_element(StateData, Err),
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{next_state, wait_for_bind, StateData, ?C2S_OPEN_TIMEOUT};
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fsm_next_state(wait_for_bind, StateData);
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_ ->
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JID = jlib:make_jid(U, StateData#state.server, R),
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Res = IQ#iq{type = result,
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@ -727,12 +722,11 @@ wait_for_bind({xmlstreamelement, El}, StateData) ->
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[{xmlcdata,
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jlib:jid_to_string(JID)}]}]}]},
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send_element(StateData, jlib:iq_to_xml(Res)),
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{next_state, wait_for_session,
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StateData#state{resource = R, jid = JID},
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_session,
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StateData#state{resource = R, jid = JID})
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end;
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_ ->
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{next_state, wait_for_bind, StateData, ?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_bind, StateData)
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end;
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wait_for_bind(timeout, StateData) ->
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@ -783,22 +777,22 @@ wait_for_session({xmlstreamelement, El}, StateData) ->
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privacy_get_user_list, StateData#state.server,
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none,
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[U, StateData#state.server]),
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{next_state, session_established,
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StateData#state{sid = SID,
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fsm_next_state(session_established,
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StateData#state{
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sid = SID,
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pres_f = ?SETS:from_list(Fs1),
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pres_t = ?SETS:from_list(Ts1),
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privacy_list = PrivList}};
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privacy_list = PrivList});
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_ ->
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?INFO_MSG("(~w) Forbidden session for ~s",
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[StateData#state.socket,
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jlib:jid_to_string(JID)]),
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Err = jlib:make_error_reply(El, ?ERR_NOT_ALLOWED),
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send_element(StateData, Err),
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{next_state, wait_for_session, StateData,
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?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_session, StateData)
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end;
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_ ->
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{next_state, wait_for_session, StateData, ?C2S_OPEN_TIMEOUT}
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fsm_next_state(wait_for_session, StateData)
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end;
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wait_for_session(timeout, StateData) ->
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@ -903,7 +897,16 @@ session_established({xmlstreamelement, El}, StateData) ->
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StateData
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end
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end,
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{next_state, session_established, NewState};
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fsm_next_state(session_established, NewState);
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%% We hibernate the process to reduce memory consumption after a
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%% configurable activity timeout
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session_established(timeout, StateData) ->
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%% TODO: Options must be stored in state:
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Options = [],
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proc_lib:hibernate(gen_fsm, enter_loop,
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[?MODULE, Options, session_established, StateData]),
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fsm_next_state(session_established, StateData);
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session_established({xmlstreamend, _Name}, StateData) ->
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send_text(StateData, ?STREAM_TRAILER),
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@ -938,7 +941,7 @@ session_established(closed, StateData) ->
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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handle_event(_Event, StateName, StateData) ->
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{next_state, StateName, StateData}.
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fsm_next_state(StateName, StateData).
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%%----------------------------------------------------------------------
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%% Func: handle_sync_event/4
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@ -958,12 +961,11 @@ handle_sync_event({get_presence}, _From, StateName, StateData) ->
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Resource = StateData#state.resource,
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Reply = {User, Resource, Show, Status},
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{reply, Reply, StateName, StateData};
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fsm_reply(Reply, StateName, StateData);
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handle_sync_event(_Event, _From, StateName, StateData) ->
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Reply = ok,
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{reply, Reply, StateName, StateData}.
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fsm_reply(Reply, StateName, StateData).
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code_change(_OldVsn, StateName, StateData, _Extra) ->
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{ok, StateName, StateData}.
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@ -976,7 +978,7 @@ code_change(_OldVsn, StateName, StateData, _Extra) ->
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%%----------------------------------------------------------------------
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handle_info({send_text, Text}, StateName, StateData) ->
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send_text(StateData, Text),
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{next_state, StateName, StateData};
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fsm_next_state(StateName, StateData);
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handle_info(replaced, _StateName, StateData) ->
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Lang = StateData#state.lang,
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send_text(StateData,
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@ -1187,16 +1189,16 @@ handle_info({route, From, To, Packet}, StateName, StateData) ->
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ejabberd_hooks:run(user_receive_packet,
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StateData#state.server,
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[StateData#state.jid, From, To, FixedPacket]),
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{next_state, StateName, NewState};
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fsm_next_state(StateName, NewState);
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true ->
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{next_state, StateName, NewState}
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fsm_next_state(StateName, NewState)
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end;
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handle_info({'DOWN', Monitor, _Type, _Object, _Info}, _StateName, StateData)
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when Monitor == StateData#state.socket_monitor ->
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{stop, normal, StateData};
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handle_info(Info, StateName, StateData) ->
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?ERROR_MSG("Unexpected info: ~p", [Info]),
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{next_state, StateName, StateData}.
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fsm_next_state(StateName, StateData).
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%%----------------------------------------------------------------------
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%% Func: terminate/3
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@ -1858,3 +1860,17 @@ peerip(SockMod, Socket) ->
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||||
{ok, IPOK} -> IPOK;
|
||||
_ -> undefined
|
||||
end.
|
||||
|
||||
%% fsm_next_state: Generate the next_state FSM tuple with different
|
||||
%% timeout, depending on the future state
|
||||
fsm_next_state(session_established, StateData) ->
|
||||
{next_state, session_established, StateData, ?C2S_HIBERNATE_TIMEOUT};
|
||||
fsm_next_state(StateName, StateData) ->
|
||||
{next_state, StateName, StateData, ?C2S_OPEN_TIMEOUT}.
|
||||
|
||||
%% fsm_reply: Generate the reply FSM tuple with different timeout,
|
||||
%% depending on the future state
|
||||
fsm_reply(Reply, session_established, StateData) ->
|
||||
{reply, Reply, session_established, StateData, ?C2S_HIBERNATE_TIMEOUT};
|
||||
fsm_reply(Reply, StateName, StateData) ->
|
||||
{reply, Reply, StateName, StateData, ?C2S_OPEN_TIMEOUT}.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user