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annotate mod_streamstats/mod_streamstats.lua @ 301:b241c79a0eb7

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mod_admin_web: Add a live view for C2S connections
author Florian Zeitz <florob@babelmonkeys.de>
date Mon, 27 Dec 2010 04:19:41 +0100
parents d137515e0701
children d4f3754c4286
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d137515e0701 mod_streamstats: New module that streams live stats from Prosody over a TCP stream
Matthew Wild <mwild1@gmail.com>
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1 local stats = prosody.stats;
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2
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3 if not stats then
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4 stats = {
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5 stats = {}; conns = {};
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6
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7 broadcast = function (self, stat)
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8 local value = self.stats[stat];
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9 for conn in pairs(self.conns) do
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10 conn:write(stat..":"..value.."\n");
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11 end
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12 end;
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13
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14 adjust = function (self, stat, delta)
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15 if delta == 0 then return; end
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16 self.stats[stat] = (self.stats[stat] or 0) + delta;
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17 self:broadcast(stat);
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18 end;
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19
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20 set = function (self, stat, value)
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21 if value == self.stats[stat] then return; end
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22 self.stats[stat] = value;
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23 self:broadcast(stat);
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24 end;
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25
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26 add_conn = function (self, conn)
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27 self.conns[conn] = true;
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28 for stat, value in pairs(self.stats) do
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29 conn:write(stat..":"..value.."\n");
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30 end
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31 end;
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32
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33 remove_conn = function (self, conn)
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34 self.conns[conn] = nil;
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35 end;
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36 };
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37 prosody.stats = stats;
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38
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39 local network = {};
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40
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41 function network.onconnect(conn)
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42 stats:add_conn(conn);
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43 end
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44
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45 function network.onincoming(conn, data)
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46 end
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47
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48 function network.ondisconnect(conn, reason)
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49 stats:remove_conn(conn);
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50 end
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51
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52 require "util.iterators";
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53 require "util.timer".add_task(1, function ()
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54 stats:set("s2s-in", count(keys(prosody.incoming_s2s)));
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55 return math.random(10, 20);
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56 end);
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57 require "util.timer".add_task(3, function ()
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58 local s2sout_count = 0;
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59 for _, host in pairs(prosody.hosts) do
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60 s2sout_count = s2sout_count + count(keys(host.s2sout));
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61 end
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62 stats:set("s2s-out", s2sout_count);
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63 return math.random(10, 20);
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64 end);
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65
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66 require "net.connlisteners".register("stats", network);
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67 require "net.connlisteners".start("stats", { port = module:get_option("stats_ports") or 5444, interface = "127.0.0.1" });
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68 end
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69
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70 module:hook("resource-bind", function ()
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71 stats:adjust("c2s", 1);
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72 end);
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73 module:hook("resource-unbind", function ()
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74 stats:adjust("c2s", -1);
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75 end);
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76
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77 local c2s_count = 0;
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78 for username, user in pairs(hosts[module.host].sessions or {}) do
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79 for resource, session in pairs(user.sessions or {}) do
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80 c2s_count = c2s_count + 1;
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81 end
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82 end
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83 stats:adjust("c2s", c2s_count);
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84
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85 module:hook("s2sin-established", function (event)
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86 stats:adjust("s2s-in", 1);
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87 end);
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88 module:hook("s2sin-destroyed", function (event)
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89 stats:adjust("s2s-in", -1);
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90 end);
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91 module:hook("s2sout-established", function (event)
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92 stats:adjust("s2s-out", 1);
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93 end);
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94 module:hook("s2sout-destroyed", function (event)
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95 stats:adjust("s2s-out", -1);
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96 end);