mirror of
https://github.com/processone/ejabberd.git
synced 2024-06-24 22:25:47 +02:00
Remove useless loop and clean prepare_response (thanks to Christopher tofu Zorn)
1. Remove the silly loop that isnt needed, this speeds up all requests by 100 milliseconds. 2. Clean up prepare response function and add two new functions to handle out going payloads based of whether its a new session or not.
This commit is contained in:
Badlop
parent
3b963c4f18
commit
bd69e3ad6c
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@ -783,7 +783,7 @@ handle_http_put(Sid, Rid, Attrs, Payload, PayloadSize, StreamStart, IP) ->
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{buffered, _Sess} ->
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{200, ?HEADER, "<body xmlns='"++?NS_HTTP_BIND_s++"'/>"};
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{ok, Sess} ->
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prepare_response(Sess, Rid, Attrs, StreamStart)
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prepare_response(Sess, Rid, [], StreamStart)
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end.
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http_put(Sid, Rid, Attrs, Payload, PayloadSize, StreamStart, IP) ->
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@ -912,9 +912,7 @@ update_shaper(ShaperState, PayloadSize) ->
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{NewShaperState, undefined}
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end.
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prepare_response(#http_bind{id=Sid, wait=Wait, hold=Hold, to=To}=Sess,
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Rid, _, StreamStart) ->
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receive after 100 -> ok end, %% TODO: Why is this needed. Argh. Bad programming practice.
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prepare_response(Sess, Rid, OutputEls, StreamStart) ->
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case catch http_get(Sess, Rid) of
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{ok, cancel} ->
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%% actually it would be better if we could completely
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@ -927,100 +925,118 @@ prepare_response(#http_bind{id=Sid, wait=Wait, hold=Hold, to=To}=Sess,
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{200, ?HEADER, "<body type='terminate' xmlns='"++?NS_HTTP_BIND_s++"'/>"};
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{ok, ROutPacket} ->
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OutPacket = lists:reverse(ROutPacket),
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?DEBUG("OutPacket: ~p", [OutPacket]),
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case StreamStart of
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false ->
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case catch send_outpacket(Sess, OutPacket) of
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{'EXIT', _Reason} ->
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{200, ?HEADER,
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"<body type='terminate' xmlns='"++
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?NS_HTTP_BIND_s++"'/>"};
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SendRes ->
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SendRes
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end;
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true ->
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case OutPacket of
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[{xmlstreamstart, _, OutAttrs} | Els] ->
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AuthID = exmpp_xml:get_attribute_from_list_as_list(OutAttrs, "id", ""),
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FromB = exmpp_xml:get_attribute_from_list_as_binary(OutAttrs, "from", ""),
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Version = exmpp_xml:get_attribute_from_list_as_list(OutAttrs, "version", ""),
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OutEls =
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case Els of
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[] ->
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[];
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[{xmlstreamelement,
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#xmlel{name = 'features',
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declared_ns = [{undefined, ?NS_XMPP_pfx}],
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attrs = StreamAttribs,
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children = StreamEls}}
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| StreamTail] ->
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% {xmlelement, "stream:features",
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% StreamAttribs, StreamEls}}
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% | StreamTail] ->
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TypedTail =
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[check_default_xmlns(OEl) ||
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{xmlstreamelement, OEl} <-
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StreamTail],
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[#xmlel{name = 'features',
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declared_ns = [{?NS_XMPP_s, ?NS_XMPP_pfx}],
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attrs = StreamAttribs,
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children = StreamEls}] ++
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% [{xmlelement, "stream:features",
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% [{"xmlns:stream",
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% ?NS_XMPP_s}] ++
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% StreamAttribs, StreamEls}] ++
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?DEBUG("OutPacket: ~p", [OutputEls++OutPacket]),
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prepare_outpacket_response(Sess, Rid, OutputEls++OutPacket, StreamStart);
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{'EXIT', {shutdown, _}} ->
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{200, ?HEADER, "<body type='terminate' condition='system-shutdown' xmlns='"++?NS_HTTP_BIND_s++"'/>"};
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{'EXIT', _Reason} ->
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{200, ?HEADER, "<body type='terminate' xmlns='"++?NS_HTTP_BIND_s++"'/>"}
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end.
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%% Send output payloads on establised sessions
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prepare_outpacket_response(Sess, _Rid, OutPacket, false) ->
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case catch send_outpacket(Sess, OutPacket) of
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{'EXIT', _Reason} ->
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{200, ?HEADER,
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"<body type='terminate' xmlns='"++
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?NS_HTTP_BIND_s++"'/>"};
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SendRes ->
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SendRes
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end;
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%% Handle a new session along with its output payload
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prepare_outpacket_response(#http_bind{id=Sid, wait=Wait,
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hold=Hold, to=To}=Sess,
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Rid, OutPacket, true) ->
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case OutPacket of
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[{xmlstreamstart, _, OutAttrs} | Els] ->
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AuthID = exmpp_xml:get_attribute_from_list_as_list(OutAttrs, "id", ""),
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FromB = exmpp_xml:get_attribute_from_list_as_binary(OutAttrs, "from", ""),
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Version = exmpp_xml:get_attribute_from_list_as_list(OutAttrs, "version", ""),
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OutEls =
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case Els of
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[] ->
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[];
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[{xmlstreamelement,
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#xmlel{name = 'features',
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declared_ns = [{undefined, ?NS_XMPP_pfx}],
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attrs = StreamAttribs,
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children = StreamEls}}
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| StreamTail] ->
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%% {xmlelement, "stream:features",
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%% StreamAttribs, StreamEls}}
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%% | StreamTail] ->
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TypedTail =
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[check_default_xmlns(OEl) ||
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{xmlstreamelement, OEl} <-
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StreamTail],
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[#xmlel{name = 'features',
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declared_ns = [{?NS_XMPP_s, ?NS_XMPP_pfx}],
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attrs = StreamAttribs,
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children = StreamEls}] ++
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%% [{xmlelement, "stream:features",
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%% [{"xmlns:stream",
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%% ?NS_XMPP_s}] ++
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%% StreamAttribs, StreamEls}] ++
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TypedTail;
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StreamTail ->
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[check_default_xmlns(OEl) ||
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{xmlstreamelement, OEl} <-
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StreamTail]
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end,
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BOSH_attribs =
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[#xmlattr{name = 'authid', value = list_to_binary(AuthID)},
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#xmlattr{name = 'xmlns:stream', value = ?NS_XMPP_b}] ++
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case OutEls of
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[] ->
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[];
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_ ->
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[#xmlattr{name = 'version', ns = ?NS_BOSH_s, value = list_to_binary(Version)}]
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end,
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MaxInactivity = get_max_inactivity(To, ?MAX_INACTIVITY),
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MaxPause = get_max_pause(To),
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{200, ?HEADER,
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exmpp_xml:document_to_list(
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#xmlel{name = 'body',
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ns = ?NS_HTTP_BIND_s,
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declared_ns = [{?NS_XBOSH_s, ?NS_XBOSH_pfx}],
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attrs = [
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#xmlattr{name = 'sid',
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value = list_to_binary(Sid)
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},
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#xmlattr{name = 'wait',
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value = list_to_binary(integer_to_list(Wait))
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},
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#xmlattr{name = 'requests',
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value = list_to_binary(integer_to_list(Hold+1))
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},
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#xmlattr{name = 'inactivity',
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value = list_to_binary(integer_to_list(trunc(MaxInactivity/1000)))
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},
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#xmlattr{name = 'maxpause',
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value = list_to_binary(integer_to_list(MaxPause))
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},
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#xmlattr{name = 'polling',
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value = list_to_binary(integer_to_list(trunc(?MIN_POLLING/1000000)))
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},
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#xmlattr{name = 'ver',
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value = ?BOSH_VERSION_b
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},
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#xmlattr{name = 'from',
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value = FromB
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},
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#xmlattr{name = 'secure',
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value = <<"true">>
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}
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] ++ BOSH_attribs,
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children = OutEls})};
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StreamTail ->
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[check_default_xmlns(OEl) ||
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{xmlstreamelement, OEl} <-
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StreamTail]
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end,
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case OutEls of
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[] ->
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prepare_response(Sess, Rid, OutPacket, true);
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[#xmlel{name = 'stream:error'}] ->
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{200, ?HEADER, "<body type='terminate' "
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"condition='host-unknown' "
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"xmlns='"++?NS_HTTP_BIND_s++"'/>"};
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_ ->
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BOSH_attribs =
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[#xmlattr{name = 'authid', value = list_to_binary(AuthID)},
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#xmlattr{name = 'xmlns:stream', value = ?NS_XMPP_b}] ++
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case OutEls of
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[] ->
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prepare_response(Sess, Rid, OutPacket, true);
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_ ->
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[#xmlattr{name = 'version', ns = ?NS_BOSH_s, value = list_to_binary(Version)}]
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end,
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MaxInactivity = get_max_inactivity(To, ?MAX_INACTIVITY),
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MaxPause = get_max_pause(To),
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{200, ?HEADER,
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exmpp_xml:document_to_list(
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#xmlel{name = 'body',
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ns = ?NS_HTTP_BIND_s,
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declared_ns = [{?NS_XBOSH_s, ?NS_XBOSH_pfx}],
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attrs = [
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#xmlattr{name = 'sid',
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value = list_to_binary(Sid)
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},
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#xmlattr{name = 'wait',
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value = list_to_binary(integer_to_list(Wait))
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},
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#xmlattr{name = 'requests',
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value = list_to_binary(integer_to_list(Hold+1))
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},
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#xmlattr{name = 'inactivity',
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value = list_to_binary(integer_to_list(trunc(MaxInactivity/1000)))
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},
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#xmlattr{name = 'maxpause',
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value = list_to_binary(integer_to_list(MaxPause))
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},
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#xmlattr{name = 'polling',
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value = list_to_binary(integer_to_list(trunc(?MIN_POLLING/1000000)))
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},
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#xmlattr{name = 'ver',
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value = ?BOSH_VERSION_b
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},
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#xmlattr{name = 'from',
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value = FromB
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},
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#xmlattr{name = 'secure',
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value = <<"true">>
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}
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] ++ BOSH_attribs,
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children = OutEls})}
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% {xmlelement,"body",
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% [{"xmlns",
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% ?NS_HTTP_BIND_s},
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@ -1039,18 +1055,14 @@ prepare_response(#http_bind{id=Sid, wait=Wait, hold=Hold, to=To}=Sess,
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% {"from", From},
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% {"secure", "true"} %% we're always being secure
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% ] ++ BOSH_attribs,OutEls})};
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{error, _} ->
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{200, ?HEADER, "<body type='terminate' "
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"condition='host-unknown' "
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"xmlns='"++?NS_HTTP_BIND_s++"'/>"}
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end
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end;
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{'EXIT', {shutdown, _}} ->
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{200, ?HEADER, "<body type='terminate' condition='system-shutdown' xmlns='"++?NS_HTTP_BIND_s++"'/>"};
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{'EXIT', _Reason} ->
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{200, ?HEADER, "<body type='terminate' xmlns='"++?NS_HTTP_BIND_s++"'/>"}
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end;
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_ ->
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{200, ?HEADER, "<body type='terminate' "
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"condition='internal-server-error' "
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"xmlns='"++?NS_HTTP_BIND_s++"'/>"}
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end.
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http_get(#http_bind{pid = FsmRef, wait = Wait, hold = Hold}, Rid) ->
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gen_fsm:sync_send_all_state_event(
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FsmRef, {http_get, Rid, Wait, Hold}, 2 * ?MAX_WAIT * 1000).
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