prosody
4790d1b88919
core/s2smanager.lua

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core/s2smanager.lua @ 9665:4790d1b88919 0.11

server_epoll: Add comments describing config options
author Kim Alvefur <zash@zash.se>
date Fri, 30 Nov 2018 19:40:39 +0100
parent 8675:d3d74e923e4e
child 9787:6625efab91e2
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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 = prosody.hosts;
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12 local tostring, pairs, setmetatable
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13 = tostring, pairs, 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 prosody = _G.prosody;
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20 local incoming_s2s = {};
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21 _G.incoming_s2s = incoming_s2s;
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22 prosody.incoming_s2s = incoming_s2s;
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23 local fire_event = prosody.events.fire_event;
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24
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25 local _ENV = nil;
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26 -- luacheck: std none
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27
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28 local function new_incoming(conn)
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29 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} };
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30 session.log = logger_init("s2sin"..tostring(session):match("[a-f0-9]+$"));
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31 incoming_s2s[session] = true;
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32 return session;
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33 end
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34
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35 local function new_outgoing(from_host, to_host)
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36 local host_session = { to_host = to_host, from_host = from_host, host = from_host,
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37 notopen = true, type = "s2sout_unauthed", direction = "outgoing" };
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38 hosts[from_host].s2sout[to_host] = host_session;
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39 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$");
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40 host_session.log = logger_init(conn_name);
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41 return host_session;
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42 end
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43
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44 local resting_session = { -- Resting, not dead
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45 destroyed = true;
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46 type = "s2s_destroyed";
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47 open_stream = function (session)
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48 session.log("debug", "Attempt to open stream on resting session");
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49 end;
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50 close = function (session)
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51 session.log("debug", "Attempt to close already-closed session");
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52 end;
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53 filter = function (type, data) return data; end; --luacheck: ignore 212/type
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54 }; resting_session.__index = resting_session;
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55
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56 local function retire_session(session, reason)
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57 local log = session.log or log; --luacheck: ignore 431/log
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58 for k in pairs(session) do
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59 if k ~= "log" and k ~= "id" and k ~= "conn" then
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60 session[k] = nil;
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61 end
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62 end
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63
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64 session.destruction_reason = reason;
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65
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66 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end
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67 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end
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68 session.thread = { run = function (_, data) return session.data(data) end };
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69 session.sends2s = session.send;
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70 return setmetatable(session, resting_session);
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71 end
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72
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73 local function destroy_session(session, reason)
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74 if session.destroyed then return; end
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75 (session.log or log)("debug", "Destroying "..tostring(session.direction)
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76 .." session "..tostring(session.from_host).."->"..tostring(session.to_host)
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77 ..(reason and (": "..reason) or ""));
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78
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79 if session.direction == "outgoing" then
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80 hosts[session.from_host].s2sout[session.to_host] = nil;
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81 session:bounce_sendq(reason);
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82 elseif session.direction == "incoming" then
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83 incoming_s2s[session] = nil;
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84 end
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85
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86 local event_data = { session = session, reason = reason };
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87 if session.type == "s2sout" then
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88 fire_event("s2sout-destroyed", event_data);
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89 if hosts[session.from_host] then
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90 hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data);
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91 end
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92 elseif session.type == "s2sin" then
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93 fire_event("s2sin-destroyed", event_data);
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94 if hosts[session.to_host] then
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95 hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data);
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96 end
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97 end
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98
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99 retire_session(session, reason); -- Clean session until it is GC'd
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100 return true;
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101 end
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102
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103 return {
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104 incoming_s2s = incoming_s2s;
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105 new_incoming = new_incoming;
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106 new_outgoing = new_outgoing;
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107 retire_session = retire_session;
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108 destroy_session = destroy_session;
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109 };