prosody
38e7a5fafb28
core/s2smanager.lua

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core/s2smanager.lua @ 5361:38e7a5fafb28

hostmanager: Use rawget to check for activated hosts to prevent recursion in dynamic host loaders
author Matthew Wild <mwild1@gmail.com>
date Fri, 22 Mar 2013 11:24:54 +0000
parent 5349:0d11e393201f
child 5362:612467e263af
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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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b1885732e979 GPL->MIT!
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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
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10
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11 local hosts = hosts;
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12 local tostring, pairs, ipairs, getmetatable, newproxy, setmetatable
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13 = tostring, pairs, ipairs, getmetatable, newproxy, setmetatable;
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14
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15 local logger_init = require "util.logger".init;
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16
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17 local log = logger_init("s2smanager");
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18
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19 local config = require "core.configmanager";
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20
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21 local prosody = _G.prosody;
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22 incoming_s2s = {};
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23 prosody.incoming_s2s = incoming_s2s;
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24 local incoming_s2s = incoming_s2s;
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25 local fire_event = prosody.events.fire_event;
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26
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27 module "s2smanager"
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28
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29 local open_sessions = 0;
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30
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31 function new_incoming(conn)
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32 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} };
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33 if true then
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34 session.trace = newproxy(true);
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35 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end;
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36 end
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37 open_sessions = open_sessions + 1;
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38 session.log = logger_init("s2sin"..tostring(session):match("[a-f0-9]+$"));
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39 incoming_s2s[session] = true;
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40 return session;
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41 end
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42
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43 function new_outgoing(from_host, to_host, connect)
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44 local host_session = { to_host = to_host, from_host = from_host, host = from_host,
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45 notopen = true, type = "s2sout_unauthed", direction = "outgoing" };
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46 hosts[from_host].s2sout[to_host] = host_session;
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47 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$");
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48 host_session.log = logger_init(conn_name);
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49 return host_session;
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50 end
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51
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52 function make_authenticated(session, host)
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53 if not session.secure then
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54 local local_host = session.direction == "incoming" and session.to_host or session.from_host;
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55 if config.get(local_host, "core", "s2s_require_encryption") then
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56 session:close({
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57 condition = "policy-violation",
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58 text = "Encrypted server-to-server communication is required but was not "
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59 ..((session.direction == "outgoing" and "offered") or "used")
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60 });
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61 end
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62 end
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63 if session.type == "s2sout_unauthed" then
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64 session.type = "s2sout";
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65 elseif session.type == "s2sin_unauthed" then
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66 session.type = "s2sin";
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67 if host then
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68 if not session.hosts[host] then session.hosts[host] = {}; end
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69 session.hosts[host].authed = true;
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70 end
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71 elseif session.type == "s2sin" and host then
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72 if not session.hosts[host] then session.hosts[host] = {}; end
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73 session.hosts[host].authed = true;
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74 else
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75 return false;
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76 end
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77 session.log("debug", "connection %s->%s is now authenticated for %s", session.from_host, session.to_host, host);
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78
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79 mark_connected(session);
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80
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81 return true;
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82 end
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83
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84 -- Stream is authorised, and ready for normal stanzas
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85 function mark_connected(session)
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86 local sendq, send = session.sendq, session.sends2s;
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88 local from, to = session.from_host, session.to_host;
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89
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90 session.log("info", "%s s2s connection %s->%s complete", session.direction, from, to);
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91
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92 local event_data = { session = session };
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93 if session.type == "s2sout" then
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94 fire_event("s2sout-established", event_data);
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95 hosts[from].events.fire_event("s2sout-established", event_data);
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96 else
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97 local host_session = hosts[to];
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98 session.send = function(stanza)
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99 return host_session.events.fire_event("route/remote", { from_host = to, to_host = from, stanza = stanza });
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100 end;
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101
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102 fire_event("s2sin-established", event_data);
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103 hosts[to].events.fire_event("s2sin-established", event_data);
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104 end
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105
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106 if session.direction == "outgoing" then
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107 if sendq then
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108 session.log("debug", "sending %d queued stanzas across new outgoing connection to %s", #sendq, session.to_host);
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109 for i, data in ipairs(sendq) do
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110 send(data[1]);
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111 sendq[i] = nil;
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112 end
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113 session.sendq = nil;
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4c0dcd245d34 s2s works! \o/ \o/
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114 end
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35b5686d73ea s2smanager: Remove srv_hosts from session when connected, this fixes attempting to reconnect s2s sessions when they are closed during shutdown
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115
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116 session.ip_hosts = nil;
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117 session.srv_hosts = nil;
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4c0dcd245d34 s2s works! \o/ \o/
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118 end
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119 end
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120
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121 local resting_session = { -- Resting, not dead
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122 destroyed = true;
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f47bd0f7e2e6 sessionmanager, s2smanager: Add type of ?2s_destroyed to resting sessions (fixes a logging traceback, thanks Flo)
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123 type = "s2s_destroyed";
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124 open_stream = function (session)
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125 session.log("debug", "Attempt to open stream on resting session");
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126 end;
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127 close = function (session)
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128 session.log("debug", "Attempt to close already-closed session");
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129 end;
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543f31cdde19 sessionmanager, s2smanager: Give resting sessions a pass-through filter, fixes #202
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130 filter = function (type, data) return data; end;
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131 }; resting_session.__index = resting_session;
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132
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133 function retire_session(session, reason)
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134 local log = session.log or log;
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135 for k in pairs(session) do
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42ac50c0382e s2smanager: Fix a traceback when we close a s2s connection ourselves (thanks for the testing Zash).
Waqas Hussain <waqas20@gmail.com>
parents: 4833
diff changeset
136 if k ~= "trace" and k ~= "log" and k ~= "id" and k ~= "conn" then
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137 session[k] = nil;
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parents: 2714
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138 end
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139 end
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140
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diff changeset
141 session.destruction_reason = reason;
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parents: 4017
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142
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143 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end
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144 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end
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145 return setmetatable(session, resting_session);
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146 end
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6036c4b75235 sessionmanager, s2smanager: Give sessions dummy data handlers that log when data is received by a destroyed session
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parents: 2712
diff changeset
147
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4b5881b6bbfc s2smanager: Have both destroy_session and bounce_sendq accept a reason string to include in bounced stanzas
Matthew Wild <mwild1@gmail.com>
parents: 2780
diff changeset
148 function destroy_session(session, reason)
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8dc5f3651501 s2smanager: Don't re-destroy destroyed sessions
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parents: 2748
diff changeset
149 if session.destroyed then return; end
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Waqas Hussain <waqas20@gmail.com>
parents: 4200
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150 (session.log or log)("debug", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)..(reason and (": "..reason) or ""));
331
830fd67f9378 Quite some changes, to:
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diff changeset
151
164
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diff changeset
152 if session.direction == "outgoing" then
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182f0c895676 Now outgoing s2s sessions are associated with their from_host, fixes #15
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parents: 259
diff changeset
153 hosts[session.from_host].s2sout[session.to_host] = nil;
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3dce04129693 s2smanager, mod_s2s, mod_s2s/s2sout: Split connection handling out of s2smanager into mod_s2s, and further split connection logic for s2sout to a module lib, s2sout.lib.lua
Matthew Wild <mwild1@gmail.com>
parents: 4461
diff changeset
154 session:bounce_sendq(reason);
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cd2cab5400fc Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
155 elseif session.direction == "incoming" then
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diff changeset
156 incoming_s2s[session] = nil;
164
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157 end
331
830fd67f9378 Quite some changes, to:
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parents: 327
diff changeset
158
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diff changeset
159 local event_data = { session = session, reason = reason };
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diff changeset
160 if session.type == "s2sout" then
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Kim Alvefur <zash@zash.se>
parents: 5306
diff changeset
161 fire_event("s2sout-destroyed", event_data);
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diff changeset
162 if hosts[session.from_host] then
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diff changeset
163 hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data);
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164 end
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1b76d18e8045 s2smanager: Don't fire s2sin-destroyed for sessions that were never fully established (thanks Thomas)
Matthew Wild <mwild1@gmail.com>
parents: 3488
diff changeset
165 elseif session.type == "s2sin" then
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Kim Alvefur <zash@zash.se>
parents: 5306
diff changeset
166 fire_event("s2sin-destroyed", event_data);
3488
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parents: 3476
diff changeset
167 if hosts[session.to_host] then
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parents: 3476
diff changeset
168 hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data);
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parents: 3476
diff changeset
169 end
4f3fc5f9d944 s2smanager: Fire s2s{in,out}-destroyed when s2s connections are destroyed
Matthew Wild <mwild1@gmail.com>
parents: 3476
diff changeset
170 end
4f3fc5f9d944 s2smanager: Fire s2s{in,out}-destroyed when s2s connections are destroyed
Matthew Wild <mwild1@gmail.com>
parents: 3476
diff changeset
171
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80aa47c009f0 s2smanager: destroy_session(): Pass reason to retire_session() and return true on successful destruction
Matthew Wild <mwild1@gmail.com>
parents: 4018
diff changeset
172 retire_session(session, reason); -- Clean session until it is GC'd
80aa47c009f0 s2smanager: destroy_session(): Pass reason to retire_session() and return true on successful destruction
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parents: 4018
diff changeset
173 return true;
164
8dc1faa5b1df other half of previous commit
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parents: 162
diff changeset
174 end
8dc1faa5b1df other half of previous commit
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parents: 162
diff changeset
175
225
bbbd169b326b Just committing this warning, because I want to know if the problem really affects us
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parents: 199
diff changeset
176 return _M;