netty-socketio | Realtime java framework | Websocket library
kandi X-RAY | netty-socketio Summary
kandi X-RAY | netty-socketio Summary
Netty-socketio Overview === This project is an open-source Java implementation of [Socket.IO] server. Based on [Netty] server framework. Licensed under the Apache License 2.0. Customer feedback in 2012: CentOS, 1 CPU, 4GB RAM runned on VM: CPU 10%, Memory 15% 6000 xhr-long polling sessions or 15000 websockets sessions 4000 messages per second. Customer feedback in 2014: "To stress test the solution we run 30 000 simultaneous websocket clients and managed to peak at total of about 140 000 messages per second with less than 1 second average delay." (c) Viktor Endersz - Kambi Sports Solutions.
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Top functions reviewed by kandi - BETA
- Encodes a packet .
- Check request authorization .
- Handles a packet .
- Parses a binary packet .
- Handles request read .
- Initializes the PubSub consumer .
- Handles handshake messages .
- Scans the given class .
- Handles a websocket message .
- Start the server
netty-socketio Key Features
netty-socketio Examples and Code Snippets
Community Discussions
Trending Discussions on netty-socketio
QUESTION
I downloaded the sample code from GitHub and modified the ReadNodeExample.java just to make sure that I can connect to an OPC Server (not Milo, it's a C#-based OPC Server). I was able to verify that the sample code is able to read/write/call nodes from my server with the modifications.
I then reimplemented what I thought I needed into my actual project, but I might be missing something since I cannot connect under this project and receive the following error:
java.lang.NoSuchMethodError: 'io.netty.buffer.ByteBuf io.netty.buffer.ByteBuf.writeMediumLE(int)'
This error happens in the ClientExampleRunner.run() while running createClient() I can still run the sample project and still connects.
Here's my pom.xml: The org.milo is added near the end and I added what I saw was added from the sample (included ch.qos.logback and jetbrains). Then added the io.netty thinking it would help, but still have the same error.
...ANSWER
Answered 2022-Mar-21 at 22:29It seems that your actual project has an old version of Netty somewhere on its classpath.
ByteBuf::writeMediumLE
(and all the other LE
-suffixed ByteBuf
methods) were introduced in Netty 4.1.
QUESTION
I use netty-socketio 1.7.18 in my Scala application, but after a while it shutdowns the application with an out of memory error.
I create a simple socketio client with Javascript and I constantly refresh the web page to connect/dissconnect in the browser, the heap size rises very fast(~100mb per reload) and it is never released. It goes up to 130gb.
I tried manual call GC but it doesn't release. When looking from the VisualVM, it seems that the reason are netty buffers.
At first I doubted my own Scala codes. I converted the Java demo for Netty-socketio project to Scala to create a simple server. But I realized that this problem happens when I use the netty-socketio with Scala. Anyone else has this problem? I'm looking for a solution.
...ANSWER
Answered 2021-Mar-12 at 13:06I solved with Config.setWorkerThreads(1)
Each time the page is refreshed, a new nioEventLoopGroup thread was started and the old ones were not closed.
QUESTION
The main method is called duplicate.
How I can prevent this?
ANSWER
Answered 2021-Mar-08 at 20:26This is caused by spring-boot-devtools. If you have that dependency in your classpath, devtools will automatically register and restart your application on any changes to files in the classpath. This can also be seen in the log statements, since all logs will be logged from the thread "restartedMain", instead of "main" like in a Spring Boot application without devtools.
Log with devtools:
QUESTION
I am trying to use websockets in my application to provide one-to-one private messaging. I have been following this project in my implementation. With my front project in angular I am able to establish the connection with the cloned chat service from the authors github, but when I try to connect to my own, I am getting this error:
...ANSWER
Answered 2020-Nov-04 at 19:58Since you are using spring boot you need to use the same version for all artefacts.
For example in pom.xml you should have something like those lines:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install netty-socketio
You can use netty-socketio like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the netty-socketio component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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