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annotate mod_s2s_status/mod_s2s_status.lua @ 4989:b74d592df9e2

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mod_http_muc_log: Remove dead code This might be something left over since a different variant where the loop went like `for n = i-1, i-100, -1 do ... end` i.e. it went trough a fixed number of items instead of all the page until the current message. Then it would have needed something to stop going over the end, but since the checks are simple it shouldn't be much of a problem looping over even a very busy day.
author Kim Alvefur <zash@zash.se>
date Tue, 16 Aug 2022 01:27:59 +0200
parents b86282953663
children 31c331d05a75
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rev   line source
4791
b86282953663 mod_s2s_status: Module to track status of s2s connections by domain
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1 local status_out = module:shared("out");
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2
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3 local errors = require "util.error";
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4
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5 local function get_session_info(session)
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6 local direction, peer_host = session.direction;
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7 if direction == "outgoing" then
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8 peer_host = session.to_host;
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9 elseif direction == "incoming" then
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10 peer_host = session.from_host;
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11 end
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12 return peer_host, direction, session.id;
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13 end
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14
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15 local function get_domain_log_out(peer_domain)
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16 local domain_log = status_out[peer_domain];
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17 if not domain_log then
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18 domain_log = {};
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19 status_out[peer_domain] = domain_log;
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20 end
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21 end
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22
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23 local function get_connection_record(domain_log, id)
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24 for _, record in ipairs(domain_log) do
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25 if record.id == id then
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26 return record;
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27 end
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28 end
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29 -- No record for this connection yet, create it
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30 local record = { id = id };
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31 table.insert(domain_log, 1, record);
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32 return record;
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33 end
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34
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35 local function log_new_connection_out(peer_domain, id)
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36 local domain_log = get_domain_log_out(peer_domain);
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37 local record = get_connection_record(domain_log, id);
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38 record.status, record.time_started = "connecting", os.time();
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39 end
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40
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41 local function log_successful_connection_out(peer_domain, id)
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42 local domain_log = get_domain_log_out(peer_domain);
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43 local record = get_connection_record(domain_log, id);
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44 record.status, record.time_connected = "connected", os.time();
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45 end
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46
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47 local function log_ended_connection_out(peer_domain, id, reason)
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48 local domain_log = get_domain_log_out(peer_domain);
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49 local record = get_connection_record(domain_log, id);
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50
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51 if record.status == "connecting" then
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52 record.status = "failed";
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53 elseif record.status == "connected" then
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54 record.status = "disconnected";
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55 end
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56 if reason then
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57 local e_reason = errors.new(reason);
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58 record.error = {
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59 type = e_reason.type;
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60 condition = e_reason.condition;
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61 text = e_reason.text;
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62 };
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63 if not record.error.text and type(reason) == "string" then
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64 record.error.text = reason;
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65 end
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66 end
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67 local now = os.time();
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68 record.time_ended = now;
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69 end
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70
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71 local function s2sout_established(event)
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72 local peer_domain, _, id = get_session_info(event.session);
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73 log_successful_connection_out(peer_domain, id);
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74 end
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75
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76 local function s2sout_destroyed(event)
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77 local peer_domain, _, id = get_session_info(event.session);
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78 log_ended_connection_out(peer_domain, id);
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79 end
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80
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81 local function s2s_created(event)
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82 local peer_domain, direction, id = get_session_info(event.session);
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83 if direction == "outgoing" then
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84 log_new_connection_out(peer_domain, id);
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85 end
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86 end
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87
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88 module:hook("s2s-created", s2s_created);
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89 module:hook("s2sout-established", s2sout_established);
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90 module:hook("s2sout-destroyed", s2sout_destroyed);