Mercurial > prosody-modules

annotate mod_storage_muc_log/mod_storage_muc_log.lua @ 1690:8c0fbc685364

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mod_storage_xmlarchive: New stanza archive-only storage module backed by plain text files
author Kim Alvefur <zash@zash.se>
date Sun, 03 May 2015 13:45:42 +0200
parents 711fabfe6604
children 54c8a0cb2996
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 local datamanager = require"core.storagemanager".olddm;
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3 local xml_parse = require"util.xml".parse;
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4 local data_load, data_store = datamanager.load, datamanager.store;
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5 local datastore = "muc_log";
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6 local datetime = require"util.datetime"
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7 local lfs = require"lfs";
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8 local noop = function () end;
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9 local os_date = os.date;
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10
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11 local timef, datef = "!%H:%M:%S", "!%y%m%d";
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12 local host = module.host;
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13
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14 local driver = {};
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15 local driver_mt = { __index = driver };
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16
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17 do
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18 -- Sanity check
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19 -- Fun fact: 09:00 and 21:00 en_HK are both "09:00:00 UTC"
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20 local t = os_date("!*t");
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21 t.hour = 9;
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22 local am = os_date("!%X", os.time(t));
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23 t.hour = 21;
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24 local pm = os_date("!%X", os.time(t));
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25 if am == pm then
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26 module:log("warn", "Timestamps in AM and PM are identical in your locale, expect timestamps to be wrong");
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27 end
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28 if os_date("!%X", os.time(t)) ~= os_date(timef, os.time(t)) then
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29 module:log("warn", "Timestamp format differ from what mod_muc_log used, this module may not work correctly");
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30 end
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31 end
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32
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33 local function parse_silly(date, time)
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34 local year, month, day = date:match("^(%d%d)(%d%d)(%d%d)");
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35 year = "20"..year;
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36 -- year = (year < "70" and "20" or "19") .. year;
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37 local hour, min, sec = time:match("(%d%d)%D+(%d%d)%D+(%d%d)");
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38 if hour == "12" and time:find("[Aa][Mm]") then
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39 hour = "00";
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40 elseif hour < "12" and time:find("[Pp][Mm]") then
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41 hour = tostring(tonumber(hour) % 12 + 12);
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42 end
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43 return datetime.parse(("%s-%s-%sT%s:%s:%sZ"):format(year, month, day, hour or "00", min or "00", sec or "00"));
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44 end
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45
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46 local function st_with(tag)
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47 local with = tag.attr.type;
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48 return with and tag.name .. "<" .. with or tag.name;
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49 end
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50
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51 function driver:append(node, key, when, with, stanza)
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52 local today = os_date(datef, when);
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53 local now = os_date(timef, when);
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54 local data = data_load(node, host, datastore .. "/" .. today) or {};
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55 data[#data + 1] = "<stanza time=\"".. now .. "\">" .. tostring(stanza) .. "</stanza>\n";
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56 datamanager.getpath(node, host, datastore, nil, true); -- create the datastore dir
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57 local ok, err = data_store(node, host, datastore .. "/" .. today, data);
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58 if not ok then
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59 return ok, err;
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60 end
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61 return today .. "_" .. #data;
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62 end
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63
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64 function driver:find(node, query)
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65 local path = datamanager.getpath(node, host, datastore):match("(.*)/");
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66
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67 local ok, iter, state, var = pcall(lfs.dir, path);
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68 if not ok then
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69 module:log("warn", iter);
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70 return nil, iter;
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71 end
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72
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73 local dates, i = {}, 1;
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74 for dir in iter, state, var do
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75 if lfs.attributes(datamanager.getpath(node, host, datastore .. "/" .. dir), "mode") == "file" then
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76 dates[i], i = dir, i+1;
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77 end
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78 end
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79 if dates[1] == nil then return noop, 0; end
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80 table.sort(dates);
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81
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82 return coroutine.wrap(function ()
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83 local query = query;
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84 local dates = dates;
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85 local start_date = query and query.start and os_date(datef, query.start) or dates[1];
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86 local end_date = query and query["end"] and os_date(datef, query["end"]) or dates[#dates];
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87 local start_time = query and query.start and os_date(timef, query.start) or dates[1];
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88 local end_time = query and query["end"] and os_date(timef, query["end"]) or dates[#dates];
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89 local query_with = query and query.with;
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90 local query_limit = query and query.limit;
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91 local seek_once = query and query.after;
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92
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93 local today, time, data, err, item;
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94 local inner_start, inner_stop, inner_step;
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95 local outer_start, outer_stop, outer_step = 1, #dates, 1;
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96 if query and query.reverse then
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97 outer_start, outer_stop, outer_step = outer_stop, outer_start, -outer_step;
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98 seek_once = query.before;
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99 if seek_once then
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100 end_date = seek_once:match"^(%d+)_%d";
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101 end
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102 elseif seek_once then
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103 start_date = seek_once:match"^(%d+)_%d";
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104 end
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105 local matches = 0;
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106 for i = outer_start, outer_stop, outer_step do
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107 today = dates[i];
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108 if today >= start_date and today <= end_date then
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109 data, err = data_load(node, host, datastore .. "/" .. today);
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110 if data then
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111 inner_start, inner_stop, inner_step = 1, #data, 1;
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112 if query and query.reverse then
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113 inner_start, inner_stop, inner_step = inner_stop, inner_start, -inner_step;
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114 end
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115 if seek_once then
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116 inner_start = tonumber(seek_once:match("_(%d+)$"));
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117 inner_start = inner_start + (query and query.reverse and -1 or 1);
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 seek_once = nil;
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
119 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
120 for i = inner_start, inner_stop, inner_step do
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 item, err = data[i];
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 if item then
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123 item, err = xml_parse(item);
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
124 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
125 if item then
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126 time = item.attr.time;
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
127 item = item.tags[1];
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
128 if (today >= start_date or time >= start_time) and
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
129 (today <= end_date or time <= end_time) and
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
130 (not query_with or query_with == st_with(item)) and
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 item:get_child_text("alreadyJoined") ~= "true" then
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 matches = matches + 1;
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 coroutine.yield(today.."_"..i, item, parse_silly(today, time));
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 if query_limit and matches >= query_limit then
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 return;
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 elseif err then
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 module:log("warn", err);
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 elseif err then
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 module:log("warn", err);
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 end);
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 function open(_, store, typ)
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 if typ ~= "archive" then
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 return nil, "unsupported-store";
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 return setmetatable({ store = store, type = typ }, driver_mt);
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 end
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156
9158882dd9a1 mod_storage_muc_log: Provides an archive API to mod_muc_log data
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 module:provides "storage";