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annotate mod_streamstats/mod_streamstats.lua @ 5536:96dec7681af8

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mod_firewall: Update user marks to store instantly via map store The original approach was to keep marks in memory only, and persist them at shutdown. That saves I/O, at the cost of potentially losing marks on an unclean shutdown. This change persists marks instantly, which may have some performance overhead but should be more "correct". It also splits the marking/unmarking into an event which may be watched or even fired by other modules.
author Matthew Wild <mwild1@gmail.com>
date Thu, 08 Jun 2023 16:20:42 +0100
parents a7f7a7e75737
children
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1 module:set_global();
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2 local stats = module:shared"stats";
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3 local iter = require "util.iterators";
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4 local count, keys = iter.count, iter.keys;
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5
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6 stats.stats = stats.stats or {};
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7 stats.conns = stats.conns or {};
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8
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9 setmetatable(stats, {
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10 __index = {
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11
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12 broadcast = function (self, stat)
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13 local value = self.stats[stat];
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14 for conn in pairs(self.conns) do
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15 conn:write(stat..":"..value.."\n");
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16 end
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17 end;
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18
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19 adjust = function (self, stat, delta)
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20 if delta == 0 then return; end
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21 self.stats[stat] = (self.stats[stat] or 0) + delta;
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22 self:broadcast(stat);
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23 end;
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24
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25 set = function (self, stat, value)
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26 if value == self.stats[stat] then return; end
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27 self.stats[stat] = value;
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28 self:broadcast(stat);
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29 end;
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30
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31 add_conn = function (self, conn)
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32 self.conns[conn] = true;
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33 for stat, value in pairs(self.stats) do
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34 conn:write(stat..":"..value.."\n");
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35 end
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36 end;
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37
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38 remove_conn = function (self, conn)
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39 self.conns[conn] = nil;
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40 end;
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41 };
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42 });
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43
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44 local network = {};
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45
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46 function network.onconnect(conn)
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47 stats:add_conn(conn);
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48 end
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49
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50 function network.onincoming(conn, data)
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51 end
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52
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53 function network.ondisconnect(conn, reason)
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54 stats:remove_conn(conn);
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55 end
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56
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57 module:add_timer(1, function ()
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58 stats:set("s2s-in", count(keys(prosody.incoming_s2s)));
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59 return math.random(10, 20);
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60 end);
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61 module:add_timer(3, function ()
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62 local s2sout_count = 0;
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63 for _, host in pairs(prosody.hosts) do
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64 s2sout_count = s2sout_count + count(keys(host.s2sout));
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65 end
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66 stats:set("s2s-out", s2sout_count);
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67 return math.random(10, 20);
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68 end);
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69
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70
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71 function module.add_host(module)
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72 module:hook("resource-bind", function ()
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73 stats:adjust("c2s", 1);
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74 end);
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75 module:hook("resource-unbind", function ()
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76 stats:adjust("c2s", -1);
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77 end);
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78
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79 local c2s_count = 0;
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80 for username, user in pairs(hosts[module.host].sessions or {}) do
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81 for resource, session in pairs(user.sessions or {}) do
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82 c2s_count = c2s_count + 1;
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83 end
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84 end
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85 stats:set("c2s", c2s_count);
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86
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87 module:hook("s2sin-established", function (event)
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88 stats:adjust("s2s-in", 1);
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89 end);
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90 module:hook("s2sin-destroyed", function (event)
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91 stats:adjust("s2s-in", -1);
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92 end);
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93 module:hook("s2sout-established", function (event)
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94 stats:adjust("s2s-out", 1);
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95 end);
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96 module:hook("s2sout-destroyed", function (event)
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97 stats:adjust("s2s-out", -1);
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98 end);
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99 end
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100
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101 module:provides("net", {
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102 default_port = 5444;
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103 listener = network;
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104 });