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net/xmppserver_listener.lua @ 490:9087f39b4222
Another automatic merge, this gets annoying."
| author | Tobias Markmann <tm@ayena.de> |
|---|---|
| date | Sat, 29 Nov 2008 22:11:21 +0100 |
| parent | 451:e9f269e5204e |
| child | 519:cccd610a0ef9 |
| rev | line source |
|---|---|
| 148 | 1 |
| 2 local logger = require "logger"; | |
| 3 local lxp = require "lxp" | |
| 4 local init_xmlhandlers = require "core.xmlhandlers" | |
| 5 local sm_new_session = require "core.sessionmanager".new_session; | |
| 6 local s2s_new_incoming = require "core.s2smanager".new_incoming; | |
| 7 local s2s_streamopened = require "core.s2smanager".streamopened; | |
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8 local s2s_streamclosed = require "core.s2smanager".streamclosed; |
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9 local s2s_destroy_session = require "core.s2smanager".destroy_session; |
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10 local s2s_attempt_connect = require "core.s2smanager".attempt_connection; |
| 331 | 11 local stream_callbacks = { streamopened = s2s_streamopened, streamclosed = s2s_streamclosed }; |
| 12 | |
| 148 | 13 local connlisteners_register = require "net.connlisteners".register; |
| 14 | |
| 15 local t_insert = table.insert; | |
| 16 local t_concat = table.concat; | |
| 17 local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end | |
| 18 local m_random = math.random; | |
| 19 local format = string.format; | |
| 20 local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session"); | |
| 21 local st = stanza; | |
| 22 | |
| 23 local sessions = {}; | |
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24 local xmppserver = { default_port = 5269, default_mode = "*a" }; |
| 148 | 25 |
| 26 -- These are session methods -- | |
| 27 | |
| 28 local function session_reset_stream(session) | |
| 29 -- Reset stream | |
| 331 | 30 local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|"); |
| 148 | 31 session.parser = parser; |
| 32 | |
| 33 session.notopen = true; | |
| 34 | |
| 35 function session.data(conn, data) | |
| 36 parser:parse(data); | |
| 37 end | |
| 38 return true; | |
| 39 end | |
| 40 | |
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41 |
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42 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'}; |
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43 local function session_close(session, reason) |
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44 local log = session.log or log; |
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45 if session.conn then |
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46 if reason then |
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47 if type(reason) == "string" then -- assume stream error |
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48 log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, reason); |
| 331 | 49 session.sends2s(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' })); |
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50 elseif type(reason) == "table" then |
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51 if reason.condition then |
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52 local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up(); |
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53 if reason.text then |
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54 stanza:tag("text", stream_xmlns_attr):text(reason.text):up(); |
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55 end |
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56 if reason.extra then |
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57 stanza:add_child(reason.extra); |
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58 end |
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59 log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, tostring(stanza)); |
| 331 | 60 session.sends2s(stanza); |
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61 elseif reason.name then -- a stanza |
| 331 | 62 log("info", "Disconnecting %s->%s[%s], <stream:error> is: %s", session.from_host or "(unknown host)", session.to_host or "(unknown host)", session.type, tostring(reason)); |
| 63 session.sends2s(reason); | |
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64 end |
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65 end |
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66 end |
| 331 | 67 session.sends2s("</stream:stream>"); |
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68 session.conn.close(); |
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69 xmppserver.disconnect(session.conn, "stream error"); |
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70 end |
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71 end |
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72 |
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73 |
| 148 | 74 -- End of session methods -- |
| 75 | |
| 76 function xmppserver.listener(conn, data) | |
| 77 local session = sessions[conn]; | |
| 78 if not session then | |
| 79 session = s2s_new_incoming(conn); | |
| 80 sessions[conn] = session; | |
| 81 | |
| 82 -- Logging functions -- | |
| 83 | |
| 84 local mainlog, log = log; | |
| 85 do | |
| 86 local conn_name = "s2sin"..tostring(conn):match("[a-f0-9]+$"); | |
| 87 log = logger.init(conn_name); | |
| 88 end | |
| 89 local print = function (...) log("info", t_concatall({...}, "\t")); end | |
| 90 session.log = log; | |
| 91 | |
| 92 print("Incoming s2s connection"); | |
| 93 | |
| 94 session.reset_stream = session_reset_stream; | |
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95 session.close = session_close; |
| 148 | 96 |
| 97 session_reset_stream(session); -- Initialise, ready for use | |
| 98 | |
| 99 -- FIXME: Below function should be session,stanza - and xmlhandlers should use :method() notation to call, | |
| 100 -- this will avoid the useless indirection we have atm | |
| 101 -- (I'm on a mission, no time to fix now) | |
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102 |
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103 -- Debug version -- |
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104 local function handleerr(err) print("Traceback:", err, debug.traceback()); end |
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105 session.stanza_dispatch = function (stanza) return select(2, xpcall(function () return core_process_stanza(session, stanza); end, handleerr)); end |
| 148 | 106 end |
| 107 if data then | |
| 108 session.data(conn, data); | |
| 109 end | |
| 110 end | |
| 111 | |
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112 function xmppserver.disconnect(conn, err) |
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113 local session = sessions[conn]; |
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114 if session then |
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115 if err and err ~= "closed" and session.srv_hosts then |
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116 if s2s_attempt_connect(session, err) then |
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117 return; -- Session lives for now |
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118 end |
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119 end |
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120 (session.log or log)("info", "s2s disconnected: %s->%s (%s)", tostring(session.from_host), tostring(session.to_host), tostring(err)); |
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121 s2s_destroy_session(session); |
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122 sessions[conn] = nil; |
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123 session = nil; |
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124 collectgarbage("collect"); |
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125 end |
| 148 | 126 end |
| 127 | |
| 128 function xmppserver.register_outgoing(conn, session) | |
| 129 session.direction = "outgoing"; | |
| 130 sessions[conn] = session; | |
| 131 | |
| 132 session.reset_stream = session_reset_stream; | |
| 133 session_reset_stream(session); -- Initialise, ready for use | |
| 134 | |
| 135 -- FIXME: Below function should be session,stanza - and xmlhandlers should use :method() notation to call, | |
| 136 -- this will avoid the useless indirection we have atm | |
| 137 -- (I'm on a mission, no time to fix now) | |
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138 local function handleerr(err) print("Traceback:", err, debug.traceback()); end |
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139 session.stanza_dispatch = function (stanza) return select(2, xpcall(function () return core_process_stanza(session, stanza); end, handleerr)); end |
| 148 | 140 end |
| 141 | |
| 142 connlisteners_register("xmppserver", xmppserver); | |
| 143 | |
| 144 | |
| 145 -- We need to perform some initialisation when a connection is created | |
| 146 -- We also need to perform that same initialisation at other points (SASL, TLS, ...) | |
| 147 | |
| 148 -- ...and we need to handle data | |
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149 -- ...and record all sessions associated with connections |
