Mercurial > prosody-modules
annotate mod_storage_mongodb/mod_storage_mongodb.lua @ 2736:fff185e7ab73
mod_cloud_notify: Implement the "stripped stanzas" proposal.
See https://mail.jabber.org/pipermail/standards/2017-July/033089.html
author | tmolitor <thilo@eightysoft.de> |
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date | Mon, 14 Aug 2017 23:31:05 +0200 |
parents | b21236b6b8d8 |
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1 local next = next; |
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2 local setmetatable = setmetatable; |
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3 |
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4 local params = assert ( module:get_option("mongodb") , "mongodb configuration not found" ); |
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5 |
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6 prosody.unlock_globals(); |
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7 local mongo = require "mongo"; |
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8 prosody.lock_globals(); |
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9 |
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10 local json = require "util.json"; |
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11 |
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12 local conn |
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13 |
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14 local keyval_store = {}; |
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15 keyval_store.__index = keyval_store; |
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16 |
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17 function keyval_store:get(username) |
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18 local host = module.host or "_global"; |
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19 local store = self.store; |
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20 |
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21 -- The database name can't have a period in it (hence it can't be a host/ip) |
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22 local namespace = params.dbname .. "." .. host; |
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23 local v = { _id = { store = store ; username = username } }; |
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24 |
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25 local cursor , err = conn:query ( namespace , v ); |
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26 if not cursor then return nil , err end; |
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27 |
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28 local r , err = cursor:next ( ); |
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29 if not r then return nil , err end; |
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30 return r.data; |
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31 end |
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32 |
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33 function keyval_store:set(username, data) |
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34 local host = module.host or "_global"; |
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35 local store = self.store; |
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36 |
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37 -- The database name can't have a period in it (hence it can't be a host/ip) |
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38 local namespace = params.dbname .. "." .. host; |
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39 local v = { _id = { store = store ; username = username } }; |
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40 |
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41 if next(data) ~= nil then -- set data |
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42 v.data = data; |
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43 return conn:insert ( namespace , json.encode(v) ); |
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44 else -- delete data |
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45 return conn:remove ( namespace , v ); |
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46 end; |
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47 end |
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48 |
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49 local driver = {}; |
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50 |
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51 function driver:open(store, typ) |
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52 if not conn then |
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53 conn = assert ( mongo.Connection.New ( true ) ); |
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54 assert ( conn:connect ( params.server ) ); |
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55 if params.username then |
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56 assert ( conn:auth ( params ) ); |
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57 end |
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58 end |
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59 |
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60 if not typ then -- default key-value store |
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61 return setmetatable({ store = store }, keyval_store); |
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62 end; |
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63 return nil, "unsupported-store"; |
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64 end |
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65 |
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66 module:provides("storage", driver); |