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Good day stackoverflow. Presently I have a java server program which communicates with the client application through sockets(using the java ServerSocket and Socket classes). But I intend to develop another client application with an interface for configuring the server application, for which I would like to use RMI(Remote Method Invocation).
The question now is: is it possible and safe to use RMI in a java server program in which ServerSockets and Sockets are also being used? I am familiar with sockets good enough but new to RMI. I have gone through RMI documentation and other sources but got no answers yet. Please I would be obliged if someone can help
Yes, no problem. Just make sure you are not using the same sockets.
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I'm looking for a solution that would enable me to deploy Sbt as a BSP server or any other protocol, on Kubernetes, and use my IDE to work with it via, say, port forwarding.
Is this technically possible? Before going into things like DevSpace or Okteto, I was wondering, if anyone could share their experience trying to do it with SBT Server capability directly.
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Java Applets support socket but limits the connection towards the
http server from which the applet has been downloaded.
Why a WebSocket abstraction has been created for sending data
from Javascript/HTML 5 ? Wouldn't have been possible to add support
for a “classical” socket in JS and limit the connection (as it
has been done for Java Applets)
Because WebSocket starts as a HTTP request, therefore it is easier to go through firewalls and other inspectors. Also, such HTTP negotiation can do HTTP operations like sending/retrieving cookies from the browser for example, which provides a nice integration with the rest of the web application.
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Is it possible to install and run ejabberd on localhost (with localhost as domain) and connect to this from a client to experiment with client functionality?
The reason that I want to do this is to be able to play around with extensions that are not available on for example jabber.org.
It is indeed possible. If you use binary installer from ProcessOne, you are even asked by installer the domain name you wish to use.
sure its possible,and really easy too. You can use any xmpp server for that like openfire or ejabberd. And Thse servers have user friendly web interface for administration.
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I am working on an application that quarantines and routes email. Let's say in this application that I have an email message in a directory of my choosing and it has been scanned by our software and is considered "clean". How do I inject this message back into Postfix?
Maybe you simply use sendmail ?
I recognize that this is a rather old question. For the benefit of people stumbling across this question:
The qpsmtpd SMTP daemon has a Postfix Queue-Plugin to inject mails into Postfix. The plugin directly talks to the cleanup daemon of Postfix. It shall be rather easy to adapt/port that code (it's written in perl).
http://www.qpsmtpd.org/
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I am looking to write a simple client/server utilizing TCP sockets. Any ideas how to do network programming in Go?
Go has fine support for networking.
For a server, the easiest thing to do is have your main() start a tcp accept loop and spawn a goroutine to handle each request.
The first go software I wrote was a memcached server. You may want to check out gomemcached for an idea of how to get started on servers.
Clients shouldn't be particularly harder. In many cases, it may make the most sense to have a shared client with goroutines for inbound communication much like I use in gomemcached for communicating with the actual storage layer.
Of course, this isn't the only way. Perhaps you'll find something better as you experiment.