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1
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0answers
37 views

Is there a cross-platform way to open a TCP connection, send a HTTP post request and keep the connection open?

I'm searching for a way to open a TCP connection, send a HTTP post request and keep the connection open. It would be great if I can achieve this without administrator/root rights, from a command-line ...
-4
votes
0answers
87 views

High performance Inter Process Communication (IPC)?

Apologies if this question is "off-topic", I hope it's not... I'm looking for an IPC technology that is capable of communicating to processes on other machines, as well as on the same machine, with ...
-3
votes
2answers
41 views

ArrayList Dynamic remove and add for socker client [closed]

I have one ArrayList in Java and a save the socket and one unique id. When someone client is add in the ArrayList, the unique id i have is NOT the same with position in ArrayList. When someone ...
1
vote
2answers
46 views

What is the best method for transfer wide range of data into another networked PC?

I have some network device(IOT) that contain temperature sensors to collect the temperature of milk mixing tanks and send that temperature to another networked computer.I have more than 100000 of ...
0
votes
1answer
43 views

For interaction by other programs: command line, sockets, or something else?

I'm beginning an open-source project for logging work hours. The intention is to build something similar to Git, where instead of pushing code you're pushing information about work hours and progress. ...
2
votes
0answers
26 views

Zeromq bidirectional asynchronous transmission?

I have a system which consists of two applications. Currently, two applications communicate using multiple zeromq publish/subscribe sockets generated for each specific type of transmission. Sockets ...
4
votes
2answers
115 views

How to handle thousands of messages to C socket?

I currently have a setup looking like this: __________________ _________ ________ ___________ | Front end server |----| Varnish |----| NodeJS |----| C-service | ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ ...
-1
votes
1answer
31 views

Language cross platform that allows different socks connection per thread

Hello i'm developing an app that needs to do many requests with different socks connections. I was doing it in C# but i'm not sure how well it will work on a linux server even with .net core . Java ...
0
votes
1answer
100 views

Designing a program that runs scrtipts on multiple computers(JAVA)

So Ive been trying to design a program in java(because I might need to create an app that does the controlling part) with GUI that can run scripts on a few local computers. It should do the following: ...
0
votes
0answers
25 views

Concept analysis: using a Java ServerSocket to let an Android phone and server communicate?

I have an idea for an application that will not be published to the public Play Store. My friends will need to be able to log in from their Android phone to view certain data that cannot be viewed by ...
1
vote
1answer
82 views

Asynchronous client-server implementation

The mission: Implement a program that will listen to multiple client requests asynchronously (on TCP) and transfer them to a server (also on TCP) to which only one connection is allowed. The program ...
1
vote
1answer
20 views

Keeping deploys in Sync

I plan to have a web server, which will serve JavaScript used to make connections, and a socket server which the javascript will talk to. How can I make sure that when deploying a new update, the ...
1
vote
1answer
86 views

Recieving errors without engaging in excessive communication when using sockets

I'm currently writing a program that communicates with a server over TCP sockets. I originally planned for the communication to include a message confirming successful communication at the end of ...
-1
votes
1answer
119 views

SDL_net how to get the UDP remote address? [closed]

I have a problem with the tcp and udp synchronization. On the server it accepted the tcp connection with the: SDLNet_TCP_Accept(); But now I need to know how to get the remote address of the ...
3
votes
1answer
102 views

How to handle a client app that connects to a TCP server and sends/receives text data bidirectionally?

I've got a conceptual question (which is probably better posted here than on StackOverflow?). I want to develop a client application that maintains a persistent connection to a server, and exchanges ...
1
vote
1answer
45 views

Architecture/technology for implementing Management console [closed]

I'm having a distributed environment which include several machines under the same network , which are being controlled by another computer in another network which is also running a UI for doing the ...
0
votes
0answers
28 views

Monitoring interfaces and subscribing to multicast on them

How can a program enumerate the available IP interfaces, and monitor changes in them, to subscribe to and send IP multicasts on all of them? I ask because I am troubleshooting a problem with the ...
0
votes
1answer
90 views

Why can't socket-communication use process_id instead of port_number? [closed]

nowadays, I am studying OS. In Communication in Client-Server Systems chapter, I've heard that using process-id instead of port-number has problems. But I don't understand why it does. I think ...
7
votes
5answers
744 views

How do I balance 100 clients checking the same database table in a loop?

What I have This is a prototype. I have a pool of 100 clients connected to the server via websockets reporting things and awaiting for commands. The server polls the commands database table of type ...
0
votes
2answers
1k views

How does the communication between a chat server and client work?

(Socket programming newbie here...) So, for learning purposes I've just started developing a chat server and client in Python, and I was wondering how it is usually implemented. When someone ...
3
votes
1answer
157 views

Is TCP still considered siginificant overhead compared to UDP? [closed]

I'm working on a distributed application for a graduate class I'm taking. There has been much discussion around implementing a way to maintain peer connection health statuses. Think Gossip. One of the ...
2
votes
0answers
305 views

Design pattern for socket.io and Express

I have a Node.js Express RESTful HTTP server I will call server A and an Express socket.io server I will call server B. Server A responds to all HTTP requests by clients and server B listens to the ...
3
votes
1answer
85 views

Is web sockets the best solution for my problem?

I have created a Slackbot that integrates with Submittable.com. For example, I can trigger a response that displays all current submissions in Slack. I now need my Slackbot to post in Slack whenever ...
0
votes
1answer
148 views

Can I listen on a port without interrupting traffic?

I have developed the bare bones on a socket server in Python. I'm trying to capture the HTTP packets going to a web server without blocking them. try: self.socket = socket.socket(socket....
1
vote
2answers
481 views

What is a good way for Tomcat to interact with another Java application running on the local machine

I'm new to using Java within a web environment. At the moment I have a Java application that we run on a local machine, we'll call it the server app. We want to add the ability to communicate with ...
3
votes
1answer
130 views

Design approach to outsourcing a socket in an own thread

I want to extend an existing server written in C++ to be able to communicate with an other server over websockets (e.g. logging or user authorisation purposes). All examples (including the very well ...
7
votes
1answer
408 views

Does it ever make sense to read from and/or write to a bound, listening socket?

I'm experimenting a little with creating a socket server, in PHP. In doing so I'm trying to abstract away the kinds of sockets I think I'll be needing, that I've tentitively named: ListenSocket — ...
0
votes
1answer
354 views

Limitations of modern programming languages for low-level network programming [closed]

For say a network packet sniffer, are there any of the more modern high level languages such as C# or Java, that would actually be unsuitable or limiting when it would come to constructing a packet ...
1
vote
1answer
350 views

Multi-threaded winforms with multiple child forms using sockets

I develop application with two main option grouped by groupBox in main form. First option is run server with specific behaviour for example I choose TCP protocol, type IP address, port number and ...
0
votes
1answer
865 views

Java Socket or SocketChannel

I am designing a server for a remote file store in Java and trying to decide whether to use asynchronous java.nio.SocketChannels or the older blocking model with Sockets. What kind of factors should I ...
0
votes
1answer
120 views

Is this pattern RESTful? Or something else?

I'm working on a new project that will create a web-based API to perform CRUD operations on a relational database. Originally, I was going to create the API as http-based, and make it RESTful so ...
0
votes
3answers
378 views

Socket Connecting to Large number of IPs

I have a text file of ~600 CIDR notation IP blocks which, when expanded, amount to ~17.5M IP addresses. I need to socket connect to each one. If it connects, I add it to a "live" list, if it returns ...
0
votes
1answer
523 views

String sentence consistency when sent over sockets

I am learning socket programming. I have a Java application as my server, and C# for the client. Just sending string lines from one to another. Below I have code snippets showing how I am currently ...
0
votes
0answers
506 views

listening to packets in promiscuous mode

I am working on an application that get packets that don't belong to the pc,so i use promiscuous mode on my NIC,i need to read the packet and and handle it. Because i don't have any connection formed ...
1
vote
2answers
553 views

Java Desktop Application Requirement - Is sockets the preferred choice ?

I'm currently working on a requirement for a desktop application - using Java If for some reason the GUI crashes, it shouldn't affect the background process. Once the GUI is restarted - the ...
0
votes
2answers
190 views

C++ Data Server and J2ME client communication [closed]

I am working on a robot that has some AI built in. However, the mandated robot controller does not have the power to do the work onboard. This means that I need to use a co-processor. I am writing ...
1
vote
1answer
162 views

Synchronized access to network industrial equipment

I have an industrial equipment which is controlled by a software. The software connects to it using sockets, and keeps the connection all the time alive, while from time to time sending commands to ...
0
votes
1answer
501 views

Socket connection to external IP through server

I am working on an application using sockets. Essentially I want to stream data between two clients. Since I can't connect the two clients together directly (they aren't on the same network), I will ...
11
votes
1answer
2k views

How do sockets work over wireless connections?

I've only worked on client side(specifically, mobile) applications using Android, where all networking is handled at the HTTP layer using framework provided components like HttpUrlConnection. But ...
-1
votes
1answer
657 views

Is pywebsocket a production tool? [closed]

Is it a good idea to use pywebsocket in a production environment, since it is so widely used, but their google developer page states "pywebsocket is intended for testing or experimental purposes". ...
5
votes
5answers
5k views

Is there are problem holding large numbers of open socket connections for lengthy periods of time?

The application we have in mind is a relay server. The aim is to accept large numbers of incoming socket connections (at least thousands) that will stay open for lengthy periods (hours or maybe days). ...
1
vote
0answers
126 views

faster method of testing uwsgi + nginx

Im currently looking for a way to test a lot of requests in the shortest amount of time possible on my web application. My current workaround is to just import the modules I want to test into another ...
1
vote
2answers
532 views

Making server logic independent of client interaction

I'm trying to make a realtime multiplayer web-game in node.js with express framework and socket.io library. But I can't seem to make my server-side logic independent of client interactions. I want ...
0
votes
1answer
109 views

Spreading incoming batched data into a real-time stream

I would like to display some events in 'real-time'. However, I must fetch the data from another source. I can request the last X minutes, though the source is updated approximately every 5 minutes. ...
0
votes
1answer
427 views

Is TCP message order still guaranteed when using async IO

Here the scenario I'm imagining. Two messages are transferred, both will require 2 packets each (I know you don't deal with packets directly with TCP, but on the IP level each message will consist of ...
1
vote
1answer
366 views

How to refresh/keep up to date content in the browser without overloading the server

I am not very educated on this topic of programming so I am seeking any advice/knowledge. I am coding a web app in PHP, and this particular task requires updating the display after the server has new ...
0
votes
1answer
464 views

distributed computing with remote hetrogenous machines

The way i am doing it now is using boost::asio TCP sockets handling everything manually with a main server that orchestrates the processes between the available machines, but the number of machines ...
-1
votes
1answer
366 views

A Server sending data to be processed to clients [closed]

About a year ago I had an idea in mind which was using my friends computers to help me process my data, so I programmed a socket server application with boost::asio, and gave the client part of it to ...
2
votes
2answers
533 views

Should I lock a list of objects while a socket is receiving messages?

I have a scenario where I will be receiving messages through a socket connection. I also need to keep a list of 100 messages (such as List) and periodically toss out old messages from the list when a ...
0
votes
1answer
670 views

How can you add acknowledgement functionality to a Command pattern, given the response from receiver is gotten asynchronously on Server?

I have a scenario where I will implement Command pattern like described in this article. Actually from an Asp.Net MVC view, some user will invoke different commands/actions like Start Live Video, ...