prosody
92b88476873a
core/sessionmanager.lua

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core/sessionmanager.lua @ 5447:92b88476873a

sessionmanager, s2smanager: Remove open_session tracing
author Matthew Wild <mwild1@gmail.com>
date Mon, 08 Apr 2013 15:53:18 +0100
parent 5377:898454038524
child 5459:3a821511b9ec
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 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 local tostring, setmetatable = tostring, setmetatable;
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10 local pairs, next= pairs, next;
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11
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12 local hosts = hosts;
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13 local full_sessions = full_sessions;
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14 local bare_sessions = bare_sessions;
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15
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16 local logger = require "util.logger";
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17 local log = logger.init("sessionmanager");
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18 local rm_load_roster = require "core.rostermanager".load_roster;
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19 local config_get = require "core.configmanager".get;
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20 local resourceprep = require "util.encodings".stringprep.resourceprep;
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21 local nodeprep = require "util.encodings".stringprep.nodeprep;
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22 local uuid_generate = require "util.uuid".generate;
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23
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24 local initialize_filters = require "util.filters".initialize;
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25 local gettime = require "socket".gettime;
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26
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27 local newproxy = newproxy;
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28 local getmetatable = getmetatable;
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30 module "sessionmanager"
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32 function new_session(conn)
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33 local session = { conn = conn, type = "c2s_unauthed", conntime = gettime() };
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34 local filter = initialize_filters(session);
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35 local w = conn.write;
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36 session.send = function (t)
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37 if t.name then
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38 t = filter("stanzas/out", t);
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39 end
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40 if t then
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41 t = filter("bytes/out", tostring(t));
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42 if t then
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43 return w(conn, t);
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44 end
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45 end
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46 end
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47 session.ip = conn:ip();
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48 local conn_name = "c2s"..tostring(session):match("[a-f0-9]+$");
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49 session.log = logger.init(conn_name);
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50
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51 return session;
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52 end
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54 local resting_session = { -- Resting, not dead
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55 destroyed = true;
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56 type = "c2s_destroyed";
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57 close = function (session)
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58 session.log("debug", "Attempt to close already-closed session");
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59 end;
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60 filter = function (type, data) return data; end;
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61 }; resting_session.__index = resting_session;
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63 function retire_session(session)
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64 local log = session.log or log;
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65 for k in pairs(session) do
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66 if k ~= "log" and k ~= "id" then
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67 session[k] = nil;
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68 end
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69 end
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70
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71 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); return false; end
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72 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end
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73 return setmetatable(session, resting_session);
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74 end
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75
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76 function destroy_session(session, err)
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77 (session.log or log)("debug", "Destroying session for %s (%s@%s)%s", session.full_jid or "(unknown)", session.username or "(unknown)", session.host or "(unknown)", err and (": "..err) or "");
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78 if session.destroyed then return; end
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79
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80 -- Remove session/resource from user's session list
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81 if session.full_jid then
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82 local host_session = hosts[session.host];
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83
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84 -- Allow plugins to prevent session destruction
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85 if host_session.events.fire_event("pre-resource-unbind", {session=session, error=err}) then
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86 return;
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87 end
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89 host_session.sessions[session.username].sessions[session.resource] = nil;
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90 full_sessions[session.full_jid] = nil;
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91
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92 if not next(host_session.sessions[session.username].sessions) then
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93 log("debug", "All resources of %s are now offline", session.username);
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94 host_session.sessions[session.username] = nil;
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95 bare_sessions[session.username..'@'..session.host] = nil;
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96 end
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97
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98 host_session.events.fire_event("resource-unbind", {session=session, error=err});
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99 end
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100
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101 retire_session(session);
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102 end
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103
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104 function make_authenticated(session, username)
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105 username = nodeprep(username);
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106 if not username or #username == 0 then return nil, "Invalid username"; end
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107 session.username = username;
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108 if session.type == "c2s_unauthed" then
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109 session.type = "c2s";
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110 end
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111 session.log("info", "Authenticated as %s@%s", username or "(unknown)", session.host or "(unknown)");
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112 return true;
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113 end
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114
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115 -- returns true, nil on success
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116 -- returns nil, err_type, err, err_message on failure
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117 function bind_resource(session, resource)
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118 if not session.username then return nil, "auth", "not-authorized", "Cannot bind resource before authentication"; end
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119 if session.resource then return nil, "cancel", "already-bound", "Cannot bind multiple resources on a single connection"; end
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120 -- We don't support binding multiple resources
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121
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122 resource = resourceprep(resource);
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123 resource = resource ~= "" and resource or uuid_generate();
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124 --FIXME: Randomly-generated resources must be unique per-user, and never conflict with existing
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125
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126 if not hosts[session.host].sessions[session.username] then
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127 local sessions = { sessions = {} };
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128 hosts[session.host].sessions[session.username] = sessions;
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129 bare_sessions[session.username..'@'..session.host] = sessions;
38
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parents: 30
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130 else
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131 local sessions = hosts[session.host].sessions[session.username].sessions;
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parents: 357
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132 if sessions[resource] then
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parents: 30
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133 -- Resource conflict
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898454038524 core.*: Complete removal of all traces of the "core" section and section-related code.
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134 local policy = config_get(session.host, "conflict_resolve");
429
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parents: 357
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135 local increment;
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parents: 357
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136 if policy == "random" then
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parents: 357
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137 resource = uuid_generate();
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138 increment = true;
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parents: 357
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139 elseif policy == "increment" then
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140 increment = true; -- TODO ping old resource
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141 elseif policy == "kick_new" then
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142 return nil, "cancel", "conflict", "Resource already exists";
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143 else -- if policy == "kick_old" then
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parents: 760
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144 sessions[resource]:close {
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145 condition = "conflict";
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146 text = "Replaced by new connection";
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147 };
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148 if not next(sessions) then
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149 hosts[session.host].sessions[session.username] = { sessions = sessions };
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150 bare_sessions[session.username.."@"..session.host] = hosts[session.host].sessions[session.username];
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151 end
429
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152 end
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parents: 357
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153 if increment and sessions[resource] then
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154 local count = 1;
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parents: 357
diff changeset
155 while sessions[resource.."#"..count] do
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156 count = count + 1;
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parents: 357
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157 end
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parents: 357
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158 resource = resource.."#"..count;
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parents: 357
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159 end
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160 end
Matthew Wild <mwild1@gmail.com>
parents: 30
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161 end
Matthew Wild <mwild1@gmail.com>
parents: 30
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162
Matthew Wild <mwild1@gmail.com>
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163 session.resource = resource;
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parents: 30
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164 session.full_jid = session.username .. '@' .. session.host .. '/' .. resource;
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parents: 30
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165 hosts[session.host].sessions[session.username].sessions[resource] = session;
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parents: 1223
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166 full_sessions[session.full_jid] = session;
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diff changeset
167
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168 local err;
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169 session.roster, err = rm_load_roster(session.username, session.host);
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170 if err then
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parents: 2925
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171 full_sessions[session.full_jid] = nil;
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172 hosts[session.host].sessions[session.username].sessions[resource] = nil;
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173 session.full_jid = nil;
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parents: 2925
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174 session.resource = nil;
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parents: 3089
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175 if next(bare_sessions[session.username..'@'..session.host].sessions) == nil then
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parents: 2925
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176 bare_sessions[session.username..'@'..session.host] = nil;
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parents: 2925
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177 hosts[session.host].sessions[session.username] = nil;
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parents: 2925
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178 end
5211
80635a6cb126 sessionmanager: Log the actual error message when roster loading fails.
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parents: 4995
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179 session.log("error", "Roster loading failed: %s", err);
3088
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180 return nil, "cancel", "internal-server-error", "Error loading roster";
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parents: 2925
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181 end
77
531b981f2d17 Load roster on resource bind
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parents: 57
diff changeset
182
1478
da11f2652ae9 sessionmanager: Replace raw session by an event data table for resource bind/unbind events, allowing extra data
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parents: 1471
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183 hosts[session.host].events.fire_event("resource-bind", {session=session});
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parents: 1301
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184
38
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185 return true;
Matthew Wild <mwild1@gmail.com>
parents: 30
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186 end
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
187
175
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parents: 156
diff changeset
188 function send_to_available_resources(user, host, stanza)
2140
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parents: 1929
diff changeset
189 local jid = user.."@"..host;
176
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190 local count = 0;
2140
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parents: 1929
diff changeset
191 local user = bare_sessions[jid];
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parents: 1929
diff changeset
192 if user then
94b7ba39787d sessionmanager: Fixed and cleaned function send_to_available_resources(). The 'to' attribute for presence subscription stanzas is now preserved.
Waqas Hussain <waqas20@gmail.com>
parents: 1929
diff changeset
193 for k, session in pairs(user.sessions) do
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Waqas Hussain <waqas20@gmail.com>
parents: 1929
diff changeset
194 if session.presence then
94b7ba39787d sessionmanager: Fixed and cleaned function send_to_available_resources(). The 'to' attribute for presence subscription stanzas is now preserved.
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parents: 1929
diff changeset
195 session.send(stanza);
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parents: 1929
diff changeset
196 count = count + 1;
175
5f71d290bb44 Routing code reorganization
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parents: 156
diff changeset
197 end
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parents: 156
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198 end
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199 end
176
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parents: 175
diff changeset
200 return count;
175
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parents: 156
diff changeset
201 end
5f71d290bb44 Routing code reorganization
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parents: 156
diff changeset
202
2141
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diff changeset
203 function send_to_interested_resources(user, host, stanza)
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diff changeset
204 local jid = user.."@"..host;
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205 local count = 0;
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diff changeset
206 local user = bare_sessions[jid];
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diff changeset
207 if user then
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parents: 2140
diff changeset
208 for k, session in pairs(user.sessions) do
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parents: 2140
diff changeset
209 if session.interested then
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parents: 2140
diff changeset
210 session.send(stanza);
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parents: 2140
diff changeset
211 count = count + 1;
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parents: 2140
diff changeset
212 end
f544729f9228 sessionmanager: Added function send_to_interested_resources().
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parents: 2140
diff changeset
213 end
f544729f9228 sessionmanager: Added function send_to_interested_resources().
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parents: 2140
diff changeset
214 end
f544729f9228 sessionmanager: Added function send_to_interested_resources().
Waqas Hussain <waqas20@gmail.com>
parents: 2140
diff changeset
215 return count;
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parents: 2140
diff changeset
216 end
f544729f9228 sessionmanager: Added function send_to_interested_resources().
Waqas Hussain <waqas20@gmail.com>
parents: 2140
diff changeset
217
614
335f2921ae0c Newline at end of file for sessionmanager
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parents: 597
diff changeset
218 return _M;