prosody
c434bff22b14
util/helpers.lua

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util/helpers.lua @ 10303:c434bff22b14

mod_csi_simple: Always remove session filters when disabling CSI Only guard the actual pausing of outgoing data on the method existing. This prevents the filters from lingering in case something happened to the connection. Removing already removed filters should be a safe noop.
author Kim Alvefur <zash@zash.se>
date Sat, 05 Oct 2019 16:55:58 +0200
parent 8411:a9e8523a5e73
child 11059:ad89e3cc67b6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1964
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Matthew Wild <mwild1@gmail.com>
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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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9 local debug = require "util.debug";
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10
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11 -- Helper functions for debugging
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12
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13 local log = require "util.logger".init("util.debug");
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14
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15 local function log_events(events, name, logger)
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16 local f = events.fire_event;
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17 if not f then
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18 error("Object does not appear to be a util.events object");
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19 end
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20 logger = logger or log;
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21 name = name or tostring(events);
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22 function events.fire_event(event, ...)
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23 logger("debug", "%s firing event: %s", name, event);
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24 return f(event, ...);
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25 end
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26 events[events.fire_event] = f;
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27 return events;
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28 end
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29
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30 local function revert_log_events(events)
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31 events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :))
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32 end
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33
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34 local function log_host_events(host)
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35 return log_events(prosody.hosts[host].events, host);
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36 end
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37
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38 local function revert_log_host_events(host)
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39 return revert_log_events(prosody.hosts[host].events);
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40 end
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41
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42 local function show_events(events, specific_event)
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43 local event_handlers = events._handlers;
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44 local events_array = {};
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45 local event_handler_arrays = {};
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46 for event, priorities in pairs(events._event_map) do
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47 local handlers = event_handlers[event];
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48 if handlers and (event == specific_event or not specific_event) then
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49 table.insert(events_array, event);
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50 local handler_strings = {};
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51 for i, handler in ipairs(handlers) do
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52 local upvals = debug.string_from_var_table(debug.get_upvalues_table(handler));
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53 handler_strings[i] = " "..(priorities[handler] or "?")..": "..tostring(handler)..(upvals and ("\n "..upvals) or "");
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54 end
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55 event_handler_arrays[event] = handler_strings;
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56 end
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57 end
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58 table.sort(events_array);
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59 local i = 1;
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60 while i <= #events_array do
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61 local handlers = event_handler_arrays[events_array[i]];
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62 for j=#handlers, 1, -1 do
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63 table.insert(events_array, i+1, handlers[j]);
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64 end
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65 if i > 1 then events_array[i] = "\n"..events_array[i]; end
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66 i = i + #handlers + 1
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67 end
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68 return table.concat(events_array, "\n");
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69 end
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70
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71 local function get_upvalue(f, get_name)
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72 local i, name, value = 0;
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73 repeat
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74 i = i + 1;
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75 name, value = debug.getupvalue(f, i);
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76 until name == get_name or name == nil;
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77 return value;
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78 end
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79
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80 return {
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81 log_host_events = log_host_events;
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82 revert_log_host_events = revert_log_host_events;
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83 log_events = log_events;
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84 revert_log_events = revert_log_events;
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85 show_events = show_events;
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86 get_upvalue = get_upvalue;
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87 };