prosody
b78b1524eb79
plugins/mod_bosh.lua

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plugins/mod_bosh.lua @ 1103:b78b1524eb79

Merge with 0.4
author Matthew Wild <mwild1@gmail.com>
date Sun, 03 May 2009 17:24:57 +0100
parent 1050:9552c08241af
child 1112:e8a00a2ea910
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1
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2 module.host = "*" -- Global module
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3
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4 local hosts = _G.hosts;
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5 local lxp = require "lxp";
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6 local init_xmlhandlers = require "core.xmlhandlers"
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7 local server = require "net.server";
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8 local httpserver = require "net.httpserver";
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9 local sm = require "core.sessionmanager";
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10 local sm_destroy_session = sm.destroy_session;
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11 local new_uuid = require "util.uuid".generate;
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12 local fire_event = require "core.eventmanager".fire_event;
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13 local core_process_stanza = core_process_stanza;
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14 local st = require "util.stanza";
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15 local log = require "util.logger".init("bosh");
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16 local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind|body" };
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17 local config = require "core.configmanager";
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18 local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
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19
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20 local BOSH_DEFAULT_HOLD = tonumber(config.get("*", "core", "bosh_default_hold")) or 1;
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21 local BOSH_DEFAULT_INACTIVITY = tonumber(config.get("*", "core", "bosh_max_inactivity")) or 60;
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22 local BOSH_DEFAULT_POLLING = tonumber(config.get("*", "core", "bosh_max_polling")) or 5;
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23 local BOSH_DEFAULT_REQUESTS = tonumber(config.get("*", "core", "bosh_max_requests")) or 2;
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24 local BOSH_DEFAULT_MAXPAUSE = tonumber(config.get("*", "core", "bosh_max_pause")) or 300;
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25
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26 local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" };
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27
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28 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
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29 local os_time = os.time;
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30
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31 local sessions = {};
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32 local inactive_sessions = {}; -- Sessions which have no open requests
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34 -- Used to respond to idle sessions (those with waiting requests)
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35 local waiting_requests = {};
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36 function on_destroy_request(request)
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37 waiting_requests[request] = nil;
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38 local session = sessions[request.sid];
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39 if session then
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40 local requests = session.requests;
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41 for i,r in pairs(requests) do
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42 if r == request then requests[i] = nil; break; end
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43 end
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44
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45 -- If this session now has no requests open, mark it as inactive
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46 if #requests == 0 and session.bosh_max_inactive and not inactive_sessions[session] then
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47 inactive_sessions[session] = os_time();
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48 (session.log or log)("debug", "BOSH session marked as inactive at %d", inactive_sessions[session]);
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49 end
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50 end
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51 end
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52
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53 function handle_request(method, body, request)
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54 if (not body) or request.method ~= "POST" then
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55 return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>";
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56 end
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57 if not method then
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58 log("debug", "Request %s suffered error %s", tostring(request.id), body);
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59 return;
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60 end
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61 --log("debug", "Handling new request %s: %s\n----------", request.id, tostring(body));
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62 request.notopen = true;
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63 request.log = log;
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64 local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "|");
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65
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66 parser:parse(body);
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67
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68 local session = sessions[request.sid];
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69 if session then
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70 local r = session.requests;
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71 log("debug", "Session %s has %d out of %d requests open", request.sid, #r, session.bosh_hold);
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72 log("debug", "and there are %d things in the send_buffer", #session.send_buffer);
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73 if #r > session.bosh_hold then
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74 -- We are holding too many requests, send what's in the buffer,
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75 log("debug", "We are holding too many requests, so...");
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76 if #session.send_buffer > 0 then
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77 log("debug", "...sending what is in the buffer")
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78 session.send(t_concat(session.send_buffer));
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79 session.send_buffer = {};
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80 else
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81 -- or an empty response
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82 log("debug", "...sending an empty response");
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83 session.send("");
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84 end
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85 elseif #session.send_buffer > 0 then
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86 log("debug", "Session has data in the send buffer, will send now..");
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87 local resp = t_concat(session.send_buffer);
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88 session.send_buffer = {};
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89 session.send(resp);
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90 end
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91
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92 if not request.destroyed and session.bosh_wait then
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93 request.reply_before = os_time() + session.bosh_wait;
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94 request.on_destroy = on_destroy_request;
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95 waiting_requests[request] = true;
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96 end
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97
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98 log("debug", "Have nothing to say, so leaving request unanswered for now");
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99 return true;
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100 end
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101 end
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102
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103
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104 local function bosh_reset_stream(session) session.notopen = true; end
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105
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106 local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} };
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107 local function bosh_close_stream(session, reason)
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108 (session.log or log)("info", "BOSH client disconnected");
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109 session_close_reply.attr.condition = reason;
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110 local session_close_reply = tostring(session_close_reply);
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111 for _, held_request in ipairs(session.requests) do
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112 held_request:send(session_close_reply);
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113 held_request:destroy();
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114 end
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115 sessions[session.sid] = nil;
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116 sm_destroy_session(session);
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117 end
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118
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119 function stream_callbacks.streamopened(request, attr)
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120 log("debug", "BOSH body open (sid: %s)", attr.sid);
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121 local sid = attr.sid
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122 if not sid then
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123 -- New session request
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124 request.notopen = nil; -- Signals that we accept this opening tag
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125
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
126 -- 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
127 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
128 -- Unknown host
1048
45fc590539cd mod_bosh: Add log message for clients connecting to unknown host
Matthew Wild <mwild1@gmail.com>
parents: 1047
diff changeset
129 log("debug", "BOSH client tried to connect to unknown host: %s", tostring(attr.to));
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
130 session_close_reply.attr.condition = "host-unknown";
866
8958fe4b2391 mod_bosh: Set Content-Type in response headers
Matthew Wild <mwild1@gmail.com>
parents: 816
diff changeset
131 request:send{ headers = default_headers, body = tostring(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
132 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
133 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
134 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
135
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
136 -- New session
763
8e77a39826c2 mod_bosh: No need to tostring() uuids now
Matthew Wild <mwild1@gmail.com>
parents: 725
diff changeset
137 sid = new_uuid();
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
138 local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = 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
139 bosh_hold = BOSH_DEFAULT_HOLD, bosh_max_inactive = BOSH_DEFAULT_INACTIVITY,
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
140 requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream, dispatch_stanza = core_process_stanza };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
141 sessions[sid] = session;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
142 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
143 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
144 local response = { headers = default_headers }
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
145 function session.send(s)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
146 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
147 local oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
148 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
149 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
150 waiting_requests[oldest_request] = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
151 oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153 if oldest_request then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
154 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
155 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
156 oldest_request:send(response);
771
ecdf72f9b085 Remove redundant logging and debug printing from mod_bosh
Matthew Wild <mwild1@gmail.com>
parents: 763
diff changeset
157 --log("debug", "Sent");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 if oldest_request.stayopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159 if #r>1 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160 -- Move front request to back
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161 t_insert(r, oldest_request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
162 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
163 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
164 else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
165 log("debug", "Destroying the request now...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
166 oldest_request:destroy();
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
167 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
168 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 elseif s ~= "" then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
170 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
171 -- Hmm, no requests are open :(
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
172 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
173 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
174 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
175 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
176
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
177 -- Send creation response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
178
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179 local features = st.stanza("stream:features");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 --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
182 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
183 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
184 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
185 ["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
186 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
187
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
188 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
189 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
190 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
191
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
192 local session = sessions[sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
193 if not session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
194 -- Unknown sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
195 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
196 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
197 request.notopen = nil;
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
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
201 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
202 -- 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
203 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
204 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
205 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
206 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
207
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
208 -- 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
209 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
210 (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
211 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
212 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
213
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
214 if session.notopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 local features = st.stanza("stream:features");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
216 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217 session.send(features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
218 session.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
219 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
220
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
221 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
222 t_insert(session.requests, request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
223 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
225
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
226 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
227 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
228 local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
229 if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
230 if stanza.attr.xmlns == xmlns_bosh then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
231 stanza.attr.xmlns = "jabber:client";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
232 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
233 core_process_stanza(session, stanza);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
234 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
235 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
236
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
237 function on_timer()
660
b2c4a7ec31c6 Remove some old debugging code from mod_bosh
Matthew Wild <mwild1@gmail.com>
parents: 636
diff changeset
238 -- log("debug", "Checking for requests soon to timeout...");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
239 -- Identify requests timing out within the next few seconds
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
240 local now = os_time() + 3;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
241 for request in pairs(waiting_requests) do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
242 if request.reply_before <= now then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 log("debug", "%s was soon to timeout, sending empty response", request.id);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244 -- Send empty response to let the
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
245 -- client know we're still here
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
246 if request.conn then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
247 sessions[request.sid].send("");
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 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
250 end
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
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251
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252 now = now - 3;
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253 for session, inactive_since in pairs(inactive_sessions) do
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254 if session.bosh_max_inactive then
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255 if now - inactive_since > session.bosh_max_inactive then
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256 (session.log or log)("debug", "BOSH client inactive too long, destroying session at %d", now);
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257 sessions[session.sid] = nil;
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258 inactive_sessions[session] = nil;
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259 sm_destroy_session(session, "BOSH client silent for over "..session.bosh_max_inactive.." seconds");
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260 end
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d8b793e612a9 BOSH: Make previous fix a bit more efficient
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261 else
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parents: 660
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262 inactive_sessions[session] = nil;
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parents: 660
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263 end
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264 end
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9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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265 end
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parents:
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266
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267 local ports = config.get(module.host, "core", "bosh_ports") or { 5280 };
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268 for _, options in ipairs(ports) do
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269 local port, base, ssl, interface = 5280, "http-bind", false, nil;
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270 if type(options) == "number" then
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271 port = options;
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272 elseif type(options) == "table" then
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273 port, base, ssl, interface = options.port or 5280, options.path or "http-bind", options.ssl or false, options.interface;
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parents: 693
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274 elseif type(options) == "string" then
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parents: 693
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275 base = options;
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276 end
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parents: 693
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277 httpserver.new{ port = port, base = base, handler = handle_request, ssl = ssl }
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parents: 693
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278 end
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279
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b2c4a7ec31c6 Remove some old debugging code from mod_bosh
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parents: 636
diff changeset
280 server.addtimer(on_timer);