prosody
da49a59dff7c
plugins/mod_bosh.lua

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plugins/mod_bosh.lua @ 1913:da49a59dff7c

mod_tls: require_s2s_encryption -> s2s_require_encryption
author Matthew Wild <mwild1@gmail.com>
date Mon, 05 Oct 2009 15:00:05 +0100
parent 1869:7456bb2a3458
child 2077:e33658f6052c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1522
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 module.host = "*" -- Global module
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10
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11 local hosts = _G.hosts;
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12 local lxp = require "lxp";
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13 local init_xmlhandlers = require "core.xmlhandlers"
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14 local server = require "net.server";
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15 local httpserver = require "net.httpserver";
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16 local sm = require "core.sessionmanager";
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17 local sm_destroy_session = sm.destroy_session;
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18 local new_uuid = require "util.uuid".generate;
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19 local fire_event = require "core.eventmanager".fire_event;
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20 local core_process_stanza = core_process_stanza;
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21 local st = require "util.stanza";
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22 local logger = require "util.logger";
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23 local log = logger.init("mod_bosh");
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24
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25 local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
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26 local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind|body", default_ns = xmlns_bosh };
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27
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28 local BOSH_DEFAULT_HOLD = tonumber(module:get_option("bosh_default_hold")) or 1;
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29 local BOSH_DEFAULT_INACTIVITY = tonumber(module:get_option("bosh_max_inactivity")) or 60;
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30 local BOSH_DEFAULT_POLLING = tonumber(module:get_option("bosh_max_polling")) or 5;
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31 local BOSH_DEFAULT_REQUESTS = tonumber(module:get_option("bosh_max_requests")) or 2;
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32 local BOSH_DEFAULT_MAXPAUSE = tonumber(module:get_option("bosh_max_pause")) or 300;
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33
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34 local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" };
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35 local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} };
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36
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37 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
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38 local os_time = os.time;
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39
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40 local sessions = {};
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41 local inactive_sessions = {}; -- Sessions which have no open requests
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42
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43 -- Used to respond to idle sessions (those with waiting requests)
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44 local waiting_requests = {};
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45 function on_destroy_request(request)
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46 waiting_requests[request] = nil;
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47 local session = sessions[request.sid];
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48 if session then
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49 local requests = session.requests;
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50 for i,r in pairs(requests) do
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51 if r == request then requests[i] = nil; break; end
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52 end
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53
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54 -- If this session now has no requests open, mark it as inactive
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55 if #requests == 0 and session.bosh_max_inactive and not inactive_sessions[session] then
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56 inactive_sessions[session] = os_time();
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57 (session.log or log)("debug", "BOSH session marked as inactive at %d", inactive_sessions[session]);
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58 end
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59 end
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60 end
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61
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62 function handle_request(method, body, request)
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63 if (not body) or request.method ~= "POST" then
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64 return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>";
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65 end
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66 if not method then
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67 log("debug", "Request %s suffered error %s", tostring(request.id), body);
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68 return;
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69 end
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70 --log("debug", "Handling new request %s: %s\n----------", request.id, tostring(body));
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71 request.notopen = true;
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72 request.log = log;
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73 local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "|");
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74
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75 parser:parse(body);
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76
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77 local session = sessions[request.sid];
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78 if session then
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79 local r = session.requests;
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80 log("debug", "Session %s has %d out of %d requests open", request.sid, #r, session.bosh_hold);
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81 log("debug", "and there are %d things in the send_buffer", #session.send_buffer);
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82 if #r > session.bosh_hold then
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83 -- We are holding too many requests, send what's in the buffer,
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84 log("debug", "We are holding too many requests, so...");
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85 if #session.send_buffer > 0 then
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86 log("debug", "...sending what is in the buffer")
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87 session.send(t_concat(session.send_buffer));
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88 session.send_buffer = {};
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89 else
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90 -- or an empty response
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91 log("debug", "...sending an empty response");
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92 session.send("");
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93 end
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94 elseif #session.send_buffer > 0 then
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95 log("debug", "Session has data in the send buffer, will send now..");
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96 local resp = t_concat(session.send_buffer);
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97 session.send_buffer = {};
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98 session.send(resp);
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99 end
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100
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101 if not request.destroyed and session.bosh_wait then
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102 request.reply_before = os_time() + session.bosh_wait;
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103 request.on_destroy = on_destroy_request;
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104 waiting_requests[request] = true;
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105 end
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106
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107 log("debug", "Have nothing to say, so leaving request unanswered for now");
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108 return true;
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109 end
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110 end
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111
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112
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113 local function bosh_reset_stream(session) session.notopen = true; end
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114
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115 local function bosh_close_stream(session, reason)
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116 (session.log or log)("info", "BOSH client disconnected");
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117 session_close_reply.attr.condition = reason;
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118 for _, held_request in ipairs(session.requests) do
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119 held_request:send(session_close_reply);
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120 held_request:destroy();
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121 end
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122 sessions[session.sid] = nil;
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123 sm_destroy_session(session);
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124 end
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125
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126 function stream_callbacks.streamopened(request, attr)
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127 log("debug", "BOSH body open (sid: %s)", attr.sid);
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128 local sid = attr.sid
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diff changeset
129 if not sid then
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
130 -- New session request
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
131 request.notopen = nil; -- Signals that we accept this opening tag
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
132
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
133 -- TODO: Sanity checks here (rid, to, known host, etc.)
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
134 if not hosts[attr.to] then
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
135 -- Unknown host
1048
45fc590539cd mod_bosh: Add log message for clients connecting to unknown host
Matthew Wild <mwild1@gmail.com>
parents: 1047
diff changeset
136 log("debug", "BOSH client tried to connect to unknown host: %s", tostring(attr.to));
1633
7812459eeed7 mod_bosh: Fix error reply for host-unknown errors
Matthew Wild <mwild1@gmail.com>
parents: 1551
diff changeset
137 session_close_reply.body.attr.condition = "host-unknown";
7812459eeed7 mod_bosh: Fix error reply for host-unknown errors
Matthew Wild <mwild1@gmail.com>
parents: 1551
diff changeset
138 request:send(session_close_reply);
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
139 request.notopen = nil
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
140 return;
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
141 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
142
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
143 -- New session
763
8e77a39826c2 mod_bosh: No need to tostring() uuids now
Matthew Wild <mwild1@gmail.com>
parents: 725
diff changeset
144 sid = new_uuid();
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
145 local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid), host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid,
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
146 bosh_hold = BOSH_DEFAULT_HOLD, bosh_max_inactive = BOSH_DEFAULT_INACTIVITY,
1109
bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob)
Matthew Wild <mwild1@gmail.com>
parents: 1049
diff changeset
147 requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream,
1541
591732da1306 mod_bosh: Mark a session as secure if it is created with HTTPS
Matthew Wild <mwild1@gmail.com>
parents: 1537
diff changeset
148 dispatch_stanza = core_process_stanza, log = logger.init("bosh"..sid), secure = request.secure };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
149 sessions[sid] = session;
1109
bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob)
Matthew Wild <mwild1@gmail.com>
parents: 1049
diff changeset
150
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
151 log("info", "New BOSH session, assigned it sid '%s'", sid);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 local r, send_buffer = session.requests, session.send_buffer;
866
8958fe4b2391 mod_bosh: Set Content-Type in response headers
Matthew Wild <mwild1@gmail.com>
parents: 816
diff changeset
153 local response = { headers = default_headers }
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
154 function session.send(s)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
155 log("debug", "Sending BOSH data: %s", tostring(s));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
156 local oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157 while oldest_request and oldest_request.destroyed do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159 waiting_requests[oldest_request] = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160 oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
162 if oldest_request then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
163 log("debug", "We have an open request, so using that to send with");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
164 response.body = t_concat{"<body xmlns='http://jabber.org/protocol/httpbind' sid='", sid, "' xmlns:stream = 'http://etherx.jabber.org/streams'>", tostring(s), "</body>" };
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
165 oldest_request:send(response);
771
ecdf72f9b085 Remove redundant logging and debug printing from mod_bosh
Matthew Wild <mwild1@gmail.com>
parents: 763
diff changeset
166 --log("debug", "Sent");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
167 if oldest_request.stayopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
168 if #r>1 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 -- Move front request to back
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
170 t_insert(r, oldest_request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
171 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
172 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
173 else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
174 log("debug", "Destroying the request now...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
175 oldest_request:destroy();
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
176 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
177 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
178 elseif s ~= "" then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179 log("debug", "Saved to send buffer because there are %d open requests", #r);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 -- Hmm, no requests are open :(
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 t_insert(session.send_buffer, tostring(s));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 log("debug", "There are now %d things in the send_buffer", #session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
183 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
184 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
185
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
186 -- Send creation response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
187
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
188 local features = st.stanza("stream:features");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
189 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
190 --xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh'
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
191 local response = st.stanza("body", { xmlns = xmlns_bosh,
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
192 inactivity = tostring(BOSH_DEFAULT_INACTIVITY), polling = tostring(BOSH_DEFAULT_POLLING), requests = tostring(BOSH_DEFAULT_REQUESTS), hold = tostring(session.bosh_hold), maxpause = "120",
1049
c476bceaf2db mod_bosh: Put dummy authid in session creation response to keep JSJaC happy
Matthew Wild <mwild1@gmail.com>
parents: 1048
diff changeset
193 sid = sid, authid = sid, ver = '1.6', from = session.host, secure = 'true', ["xmpp:version"] = "1.0",
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
194 ["xmlns:xmpp"] = "urn:xmpp:xbosh", ["xmlns:stream"] = "http://etherx.jabber.org/streams" }):add_child(features);
866
8958fe4b2391 mod_bosh: Set Content-Type in response headers
Matthew Wild <mwild1@gmail.com>
parents: 816
diff changeset
195 request:send{ headers = default_headers, body = tostring(response) };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
196
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
197 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
198 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
199 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
200
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
201 local session = sessions[sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
202 if not session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
203 -- Unknown sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
204 log("info", "Client tried to use sid '%s' which we don't know about", sid);
866
8958fe4b2391 mod_bosh: Set Content-Type in response headers
Matthew Wild <mwild1@gmail.com>
parents: 816
diff changeset
205 request:send{ headers = default_headers, body = tostring(st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", condition = "item-not-found" })) };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
206 request.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
207 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
208 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
209
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
210 if session.rid then
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
211 local rid = tonumber(attr.rid);
1664
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
212 local diff = rid - session.rid;
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
213 if diff > 1 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
214 session.log("warn", "rid too large (means a request was lost). Last rid: %d New rid: %s", session.rid, attr.rid);
1664
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
215 elseif diff <= 0 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
216 -- Repeated, ignore
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
217 session.log("debug", "rid repeated (on request %s), ignoring: %d", request.id, session.rid);
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
218 request.notopen = nil;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
219 t_insert(session.requests, request);
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
220 return;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
221 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
222 session.rid = rid;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
223 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
224
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
225 if attr.type == "terminate" then
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
226 -- Client wants to end this session
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
227 session:close();
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
228 request.notopen = nil;
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
229 return;
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
230 end
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
231
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
232 -- If session was inactive, make sure it is now marked as not
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
233 if #session.requests == 0 then
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
234 (session.log or log)("debug", "BOSH client now active again at %d", os_time());
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
235 inactive_sessions[session] = nil;
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
236 end
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
237
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
238 if session.notopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
239 local features = st.stanza("stream:features");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
240 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
241 session.send(features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
242 session.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
245 request.notopen = nil; -- Signals that we accept this opening tag
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
246 t_insert(session.requests, request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
247 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
248 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
249
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
250 function stream_callbacks.handlestanza(request, stanza)
725
96110075288b Replacing pretty_print() with top_tag() for logging
Matthew Wild <mwild1@gmail.com>
parents: 701
diff changeset
251 log("debug", "BOSH stanza received: %s\n", stanza:top_tag());
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
252 local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
253 if session then
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254 if stanza.attr.xmlns == xmlns_bosh then
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255 stanza.attr.xmlns = "jabber:client";
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256 end
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257 core_process_stanza(session, stanza);
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258 end
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259 end
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260
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261 local dead_sessions = {};
636
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262 function on_timer()
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263 -- log("debug", "Checking for requests soon to timeout...");
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264 -- Identify requests timing out within the next few seconds
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265 local now = os_time() + 3;
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266 for request in pairs(waiting_requests) do
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267 if request.reply_before <= now then
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268 log("debug", "%s was soon to timeout, sending empty response", request.id);
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269 -- Send empty response to let the
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270 -- client know we're still here
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271 if request.conn then
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272 sessions[request.sid].send("");
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273 end
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274 end
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275 end
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276
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277 now = now - 3;
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278 local n_dead_sessions = 0;
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279 for session, inactive_since in pairs(inactive_sessions) do
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280 if session.bosh_max_inactive then
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281 if now - inactive_since > session.bosh_max_inactive then
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282 (session.log or log)("debug", "BOSH client inactive too long, destroying session at %d", now);
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283 sessions[session.sid] = nil;
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284 inactive_sessions[session] = nil;
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285 n_dead_sessions = n_dead_sessions + 1;
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286 dead_sessions[n_dead_sessions] = session;
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287 end
693
d8b793e612a9 BOSH: Make previous fix a bit more efficient
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288 else
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289 inactive_sessions[session] = nil;
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290 end
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291 end
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292
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293 for i=1,n_dead_sessions do
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294 local session = dead_sessions[i];
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295 dead_sessions[i] = nil;
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296 sm_destroy_session(session, "BOSH client silent for over "..session.bosh_max_inactive.." seconds");
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297 end
636
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298 end
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299
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300 local ports = module:get_option("bosh_ports") or { 5280 };
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301 httpserver.new_from_config(ports, handle_request, { base = "http-bind" });
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302
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303 server.addtimer(on_timer);