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util/session.lua @ 9201:1555ea0d6f61

util.pubsub: get_last_item(): Return error if node does not exist
author Matthew Wild <mwild1@gmail.com>
date Sat, 18 Aug 2018 14:17:43 +0100
parent 7181:8af558965da3
child 9947:8ebca1240203
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1 local initialize_filters = require "util.filters".initialize;
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2 local logger = require "util.logger";
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3
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4 local function new_session(typ)
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5 local session = {
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6 type = typ .. "_unauthed";
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7 };
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8 return session;
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9 end
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10
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11 local function set_id(session)
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12 local id = session.type .. tostring(session):match("%x+$"):lower();
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13 session.id = id;
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14 return session;
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15 end
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16
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17 local function set_logger(session)
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18 local log = logger.init(session.id);
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19 session.log = log;
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20 return session;
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21 end
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22
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23 local function set_conn(session, conn)
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24 session.conn = conn;
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25 session.ip = conn:ip();
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26 return session;
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27 end
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28
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29 local function set_send(session)
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30 local conn = session.conn;
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31 if not conn then
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32 function session.send(data)
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33 session.log("debug", "Discarding data sent to unconnected session: %s", tostring(data));
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34 return false;
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35 end
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36 return session;
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37 end
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38 local filter = initialize_filters(session);
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39 local w = conn.write;
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40 session.send = function (t)
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41 if t.name then
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42 t = filter("stanzas/out", t);
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43 end
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44 if t then
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45 t = filter("bytes/out", tostring(t));
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46 if t then
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47 local ret, err = w(conn, t);
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48 if not ret then
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49 session.log("debug", "Error writing to connection: %s", tostring(err));
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50 return false, err;
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51 end
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52 end
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53 end
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54 return true;
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55 end
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56 return session;
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57 end
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58
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59 return {
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60 new = new_session;
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61 set_id = set_id;
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62 set_logger = set_logger;
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63 set_conn = set_conn;
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64 set_send = set_send;
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65 }