prosody
77171fd1dc3c
util/pubsub.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util/pubsub.lua @ 3698:77171fd1dc3c

mod_pubsub, util.pubsub: Support for unsubscribing
author Florian Zeitz <florob@babelmonkeys.de>
date Sun, 05 Dec 2010 02:46:08 +0100
parent 3672:b24db47995ac
child 3699:150e58d69e60
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3619
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 module("pubsub", package.seeall);
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local service = {};
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local service_mt = { __index = service };
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 function new(cb)
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 return setmetatable({ cb = cb or {}, nodes = {} }, service_mt);
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 end
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 function service:add_subscription(node, actor, jid)
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 local node_obj = self.nodes[node];
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 if not node_obj then
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 return false, "item-not-found";
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 end
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 node_obj.subscribers[jid] = true;
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 return true;
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 end
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 function service:remove_subscription(node, actor, jid)
3698
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
20 local node_obj = self.nodes[node];
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
21 if not node_obj then
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
22 return false, "item-not-found";
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
23 end
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
24 if not node_obj.subscribers[jid] then
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
25 return false, "not-subscribed";
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
26 end
77171fd1dc3c mod_pubsub, util.pubsub: Support for unsubscribing
Florian Zeitz <florob@babelmonkeys.de>
parents: 3672
diff changeset
27 node_obj.subscribers[jid] = nil;
3619
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 return true;
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 end
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30
3626
444f965baed8 util.pubsub: Add :get_subscription() to return the current subscription for a JID, if any
Matthew Wild <mwild1@gmail.com>
parents: 3619
diff changeset
31 function service:get_subscription(node, actor, jid)
444f965baed8 util.pubsub: Add :get_subscription() to return the current subscription for a JID, if any
Matthew Wild <mwild1@gmail.com>
parents: 3619
diff changeset
32 local node_obj = self.nodes[node];
444f965baed8 util.pubsub: Add :get_subscription() to return the current subscription for a JID, if any
Matthew Wild <mwild1@gmail.com>
parents: 3619
diff changeset
33 if node_obj then
444f965baed8 util.pubsub: Add :get_subscription() to return the current subscription for a JID, if any
Matthew Wild <mwild1@gmail.com>
parents: 3619
diff changeset
34 return node_obj.subscribers[jid];
444f965baed8 util.pubsub: Add :get_subscription() to return the current subscription for a JID, if any
Matthew Wild <mwild1@gmail.com>
parents: 3619
diff changeset
35 end
444f965baed8 util.pubsub: Add :get_subscription() to return the current subscription for a JID, if any
Matthew Wild <mwild1@gmail.com>
parents: 3619
diff changeset
36 end
444f965baed8 util.pubsub: Add :get_subscription() to return the current subscription for a JID, if any
Matthew Wild <mwild1@gmail.com>
parents: 3619
diff changeset
37
3672
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
38 function service:create(node, actor)
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
39 if not self.nodes[node] then
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
40 self.nodes[node] = { name = node, subscribers = {}, config = {}, data = {} };
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
41 return true;
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
42 end
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
43 return false, "conflict";
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
44 end
b24db47995ac mod_pubsub, util.pubsub: Support node creation
Florian Zeitz <florob@babelmonkeys.de>
parents: 3641
diff changeset
45
3619
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 function service:publish(node, actor, id, item)
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 local node_obj = self.nodes[node];
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 if not node_obj then
3641
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
49 node_obj = { name = node, subscribers = {}, config = {}, data = {} };
3619
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 self.nodes[node] = node_obj;
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 end
3641
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
52 node_obj.data[id] = item;
3619
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 self.cb.broadcaster(node, node_obj.subscribers, item);
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 return true;
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 end
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56
3641
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
57 function service:get(node, actor, id)
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
58 local node_obj = self.nodes[node];
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
59 if node_obj then
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
60 if id then
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
61 return { node_obj.data[id] };
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
62 else
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
63 return node_obj.data;
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
64 end
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
65 end
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
66 end
3603aeb325de mod_pubsub, util.pubsub: Support for fetching items
Florian Zeitz <florob@babelmonkeys.de>
parents: 3626
diff changeset
67
3619
291ae816d800 mod_pubsub: It's aliiiive!
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 return _M;