Annotate

plugins/smacks.lua @ 188:4678932455a3

plugins.smacks: XEP-0198 support
author Matthew Wild <mwild1@gmail.com>
date Tue, 22 Feb 2011 23:51:00 +0000
child 197:7e98cf2c1d8d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
188
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local st = require "util.stanza";
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local xmlns_sm = "urn:xmpp:sm:2";
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 function verse.plugins.smacks(stream)
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 -- State for outgoing stanzas
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 local outgoing_queue = {};
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 local last_ack = 0;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 -- State for incoming stanzas
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 local handled_stanza_count = 0;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 -- Catch incoming stanzas
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 local function incoming_stanza(stanza)
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 if stanza.attr.xmlns == "jabber:client" or not stanza.attr.xmlns then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 handled_stanza_count = handled_stanza_count + 1;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 stream:debug("Increasing handled stanzas to %d for %s", handled_stanza_count, stanza:top_tag());
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 local function on_disconnect()
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 stream.stream_management_supported = nil;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 if stream.resumption_token then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 stream.authenticated = nil;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 stream:connect(stream.connect_host or stream.host, stream.connect_port or 5222);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 stream:reopen();
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 return true;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 local function handle_sm_command(stanza)
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 if stanza.name == "r" then -- Request for acks for stanzas we received
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 stream:send(verse.stanza("a", { xmlns = xmlns_sm, h = tostring(handled_stanza_count) }));
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 elseif stanza.name == "a" then -- Ack for stanzas we sent
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 local new_ack = tonumber(stanza.attr.h);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 if new_ack > last_ack then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 local old_unacked = #outgoing_queue;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 for i=last_ack+1,new_ack do
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 table.remove(outgoing_queue, 1);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 stream:debug("Received ack: New ack: "..new_ack.." Last ack: "..last_ack.." Unacked stanzas now: "..#outgoing_queue.." (was "..old_unacked..")");
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 last_ack = new_ack;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 else
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 stream:warn("Received bad ack for "..new_ack.." when last ack was "..last_ack);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 elseif stanza.name == "enabled" then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 stream.smacks = true;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 -- Catch outgoing stanzas
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 local old_send = stream.send;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 function stream.send(stream, stanza)
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 stream:warn("SENDING");
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 if not stanza.attr.xmlns then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 outgoing_queue[#outgoing_queue+1] = stanza;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 local ret = old_send(stream, stanza);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 old_send(stream, verse.stanza("r", { xmlns = xmlns_sm }));
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 return ret;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 return old_send(stream, stanza);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 -- Catch incoming stanzas
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 stream:hook("stanza", incoming_stanza);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 if stanza.attr.id then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 stream.resumption_token = stanza.attr.id;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 stream:hook("disconnected", on_disconnect, 100);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 elseif stanza.name == "resumed" then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 stream:debug("Resumed successfully");
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 stream:send(verse.message{to="me@matthewwild.co.uk", type="chat"}:tag("body"):text("Hi again!"));
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 else
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 stream:warn("Don't know how to handle "..xmlns_sm.."/"..stanza.name);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 local function on_bind_success()
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 if not stream.smacks then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 --stream:unhook("bind-success", on_bind_success);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 stream:send(st.stanza("enable", { xmlns = xmlns_sm, resume = "true" }));
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 local function on_features(features)
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83 if features:get_child("sm", xmlns_sm) then
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 stream.stream_management_supported = true;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 if stream.smacks and stream.bound then -- Already enabled in a previous session - resume
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 stream:send(st.stanza("resume", { xmlns = xmlns_sm,
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 h = handled_stanza_count, previd = stream.resumption_token }));
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 else
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 stream:hook("bind-success", on_bind_success);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91 return true;
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 end
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 stream:hook("stream-features", on_features, 150);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
96 stream:hook("stream/"..xmlns_sm, handle_sm_command);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97 --stream:hook("ready", on_stream_ready, 500);
4678932455a3 plugins.smacks: XEP-0198 support
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98 end