Annotate

core/s2smanager.lua @ 5877:615a0774e4cc

util.timer: Updated to use util.indexedbheap to provide a more complete API. Timers can now be stopped or rescheduled. Callbacks are now pcall'd. Adding/removing timers from within timer callbacks works better. Optional parameter can be passed when creating timer which gets passed to callback, eliminating the need for closures in various timer uses. Timers are now much more lightweight.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 30 Oct 2013 17:44:42 -0400
parent 5776:bd0ff8ae98a8
child 6663:d3023dd07cb6
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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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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 incoming_s2s = {};
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21 prosody.incoming_s2s = incoming_s2s;
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22 local incoming_s2s = incoming_s2s;
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23 local fire_event = prosody.events.fire_event;
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25 module "s2smanager"
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26
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27 function new_incoming(conn)
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28 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} };
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29 session.log = logger_init("s2sin"..tostring(session):match("[a-f0-9]+$"));
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30 incoming_s2s[session] = true;
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31 return session;
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32 end
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33
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34 function new_outgoing(from_host, to_host)
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35 local host_session = { to_host = to_host, from_host = from_host, host = from_host,
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36 notopen = true, type = "s2sout_unauthed", direction = "outgoing" };
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37 hosts[from_host].s2sout[to_host] = host_session;
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38 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$");
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39 host_session.log = logger_init(conn_name);
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40 return host_session;
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41 end
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42
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43 local resting_session = { -- Resting, not dead
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44 destroyed = true;
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45 type = "s2s_destroyed";
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46 open_stream = function (session)
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47 session.log("debug", "Attempt to open stream on resting session");
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48 end;
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49 close = function (session)
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50 session.log("debug", "Attempt to close already-closed session");
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51 end;
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52 filter = function (type, data) return data; end;
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53 }; resting_session.__index = resting_session;
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54
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55 function retire_session(session, reason)
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56 local log = session.log or log;
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57 for k in pairs(session) do
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58 if k ~= "log" and k ~= "id" and k ~= "conn" then
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59 session[k] = nil;
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60 end
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61 end
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62
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63 session.destruction_reason = reason;
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64
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65 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end
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66 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end
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67 return setmetatable(session, resting_session);
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68 end
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69
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70 function destroy_session(session, reason)
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71 if session.destroyed then return; end
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72 (session.log or log)("debug", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)..(reason and (": "..reason) or ""));
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73
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74 if session.direction == "outgoing" then
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75 hosts[session.from_host].s2sout[session.to_host] = nil;
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76 session:bounce_sendq(reason);
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77 elseif session.direction == "incoming" then
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78 incoming_s2s[session] = nil;
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79 end
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80
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81 local event_data = { session = session, reason = reason };
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82 if session.type == "s2sout" then
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83 fire_event("s2sout-destroyed", event_data);
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84 if hosts[session.from_host] then
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85 hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data);
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86 end
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87 elseif session.type == "s2sin" then
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88 fire_event("s2sin-destroyed", event_data);
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89 if hosts[session.to_host] then
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90 hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data);
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91 end
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92 end
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93
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94 retire_session(session, reason); -- Clean session until it is GC'd
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95 return true;
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96 end
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97
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98 return _M;