I'm trying to design an app based on the opensocial API and I'm uncertain of how the pubsub apparatus will work. This appears to be analogous to a unix pipe, or perhaps an rss feed. Is a channel persistent across browsers / computers? That is, can I subscribe to channel "x" on browser A and publish to "x" on browser B, and have this d...
Hi, i'm looking for a C++ replacement of the Python PubSub Library in which i don't have to connect a signal with a slot or so, but instead can register for a special Kind of messages, without knowing the object which can send it. ...
In my application I am creating a simple event hub that offers something for registering subscribers: Subscribes<EventType>(ISubscriber<EventType> subscriber) // and some other methods for adding subscribers And for publishing events. Publish<EventType>(EventType @event) Quite simple. I want to route Publish<int>(0) to all subscri...
Does anyone have experience with message transports that are both decoupled(senders and receivers don't know/care about each other) and low-latency for distributed and possibly remote interaction events? Do they exist? I'm researching/developing interaction technologies for tangible interaction devices(i.e physical buttons, knobs, slide...
I'm in the market for a good open source network based Pub/Sub (observer pattern) library. I haven't found any I like: JMS - tied to Java, treats message contents as dumb binary blobs NDDS - $$, use of IDL CORBA/ICE - Pub/Sub is built on-top of RPC, CORBA API is non-intuitive JBOSS/ESB - not too familiar with It would be nice if su...
I wonder if it’s possible using nServiceBus to subscribe to all Messages of a Type without specifying the publisher’s end point. The Background for this, is a distributed algorithm, that uses the distributor infra structure of nServiceBus to delegate sub problems to distributed workers on the network. After a task is finished, the ...
Is there a gem/plugin for defining an API in Rails? I know you can have "RESTful routes" and render to different formats in controller actions, but I'm looking for a more all-around solution, including but not limited to the following: I would like to declare which models to expose (arbitrary resources could also be declared, but conve...
Is it posssible to use the Publication Subscription (PubSub) Cocoa framework in iPhone apps? I understand that the subscription features would not be available, but is it possible to use the feed-parsing features? (These would be very handy, since they handle multiple versions of RSS and malformed feeds.) ...
I am writing my own blog (every one should, it's good experience). I have implemented Atom and RSS feeds, and they are used by a number of readers. Most of those readers are using Google Reader, who at the moment polls my site regularly for updates. I would like to setup a publish Subscribe (PubSubHubbub) option as documented here, an...
Hi All I'm trying to implement real time chat engine with PubSubHubBub as the core in Rails. My question is what I need to do to or read to achieve this task ? Where I'm gonna start ? What knowledge do I need to know first because I'm really really newbie in this field and like to play with it... or are they any realtime chat engine tha...
may i know what is the different between these 2 approach ? can explain in lay man terms? ...
Hi, I am using jaxl library for bot development on my debian server with openfire. Now i want to apply pubsub functionality to it. My scenario is : user subscribes to an event & when an event occurs message is sent to all the subscribers. I am confused how to implement pubsub through im. Please help Thanks ...
working PHP probably on amazon ec2... can anyone explain what would be the best way to get all the retweets that contains http links from twitter using either twitter api or some kind of a third party parser (pubsubhub,xmpp, etc)? my application needs the widest aas possible perspective on that data meaning every retweet counts! in order...
Let's say I have N > 1 TCP-based, connection-oriented (read: not a website) services handling connections from end users in some load-balanced/sharing configuration. These users do things that cause updates to one or more keys in the centralized Tokyo Tyrant datastore. What do you recommend to push these changes to interested users c...
Is it possible to configure an endpoint to act as a worker retrieving jobs from a distributor AND subscribe to some kind of messages? I have the following scenario ( adapted to sale terminology) *) a central department publishes every now and then a list of the new prices. All workers have to be notified. That means, a worker should s...
Hi I need to watch a certain feed for my web app and i can't find any proper documentation about this topic -Edited: what i'm actually after is probably so simple that it might be embarrassing :) i know the hub will use a POST request to deliver the updates but i don't know how to fetch that data using $_POST because i don't know the k...
I want to know if it is possible to use javascript/html or php, etc... to create a page that receives continuous updates from a feed that uses PubSubHubub? How can I do this? I am new to this, and any tips would be helpful. ...
I'm currently working on an application where one component of the application needs to interact with multiple other system components based on certain events. These events occur based on many different triggers... some events are caused by a user's action where other users need to be notified, some events are time-based, and other even...
Problem: How can I get liveliness notifications of booth publisher connect and disconnect? Background: I'm working with a OpenDDS implementation where I have a publisher and a subscriber of a data type (dt), using the same topic, located on separate computers. The reader on the subscriber side has overridden implementations of on_data_...
I've been checking out OpenFire recently and am now trying to ascertain whether I can make a pubsub node with multiple collection nodes as parents. It would be very handy for the architecture I have in mind. Unfortunately, while the XEPs make it very clear this should be possible for an appropriate hierarchy of nodes, I can't tell whic...