jforgame | jforgame是一个一站式游戏服务器开发框架。包含游戏服,跨服,匹配服,后台管理系统等模块。同时提供大量业务案例以供学习。 | Websocket library

 by   kingston-csj Java Version: Current License: Apache-2.0

kandi X-RAY | jforgame Summary

kandi X-RAY | jforgame Summary

jforgame is a Java library typically used in Networking, Websocket applications. jforgame has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has medium support. You can download it from GitHub.

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            kandi-support Support

              jforgame has a medium active ecosystem.
              It has 800 star(s) with 273 fork(s). There are 49 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 17 have been closed. On average issues are closed in 132 days. There are 4 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of jforgame is current.

            kandi-Quality Quality

              jforgame has 0 bugs and 0 code smells.

            kandi-Security Security

              jforgame has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              jforgame code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              jforgame is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              jforgame releases are not available. You will need to build from source code and install.
              Build file is available. You can build the component from source.
              Installation instructions are not available. Examples and code snippets are available.
              jforgame saves you 6714 person hours of effort in developing the same functionality from scratch.
              It has 13934 lines of code, 1479 functions and 412 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed jforgame and discovered the below as its top functions. This is intended to give you an instant insight into jforgame implemented functionality, and help decide if they suit your requirements.
            • Main entry point
            • Returns a list of columns for a table
            • Write getter method
            • Write setter
            • Merges two entities into one
            • Returns the SQL statement to update the specified table
            • Returns the SQL statement for a member
            • Handle incoming message
            • Handle command
            • Calls Hello2
            • Command line agent
            • Encode message
            • Encodes the given field to the given ByteBuffer
            • Query the cross rank
            • Applies a player to a player
            • Gets the server state
            • Start the server
            • Decode data
            • Decodes a message
            • Start Mina servers
            • Send a HTTP POST request
            • Decode a field
            • Initializes the controller
            • This method is called when a message is received
            • Creates an id session
            • Save entity to db
            Get all kandi verified functions for this library.

            jforgame Key Features

            No Key Features are available at this moment for jforgame.

            jforgame Examples and Code Snippets

            No Code Snippets are available at this moment for jforgame.

            Community Discussions

            QUESTION

            Not able to connect to websocket using Nginx and Uvicorn
            Asked 2022-Mar-26 at 10:20

            I built a docker container with Django, Uvicorn, Nginx and Redis, and am using django-channels but when I run this it says it cannot connect to the websocket and this is seen in the browser console:

            WebSocket connection to 'ws://127.0.0.1:8080/ws/notifications/' failed

            It is working fine when I use Django's runserver command for development but when I include Nginx and Uvicorn it breaks.

            Entrypoint.sh:

            ...

            ANSWER

            Answered 2022-Mar-26 at 10:20

            As noted in a comment by Iain Shelvington, it seems like websockets are not included in the base install of uvicorn

            Source https://stackoverflow.com/questions/68828128

            QUESTION

            Symfony Doctrine EntityManager not refreshing properly
            Asked 2022-Mar-14 at 13:18

            I have a ratchet WebSocket server, whose entityManager is initialized from the backend. However, if some changes happen from one of the front-ends since the state of the entityManager of the WebSocket server is different from the backend, the new changes are not reflected in the data that is served by the WebSocket server.

            For this purpose, I wrote some listeners on the backend that listen for changes in these entities in and then send a request to the server like so:

            ...

            ANSWER

            Answered 2022-Mar-08 at 15:30

            Doctrine uses the identity map

            The websocket server is a daemon and all cleanup tasks are the responsibility of the developer

            Use

            \Doctrine\ORM\EntityManager::find with the $lockMode argument = \Doctrine\DBAL\LockMode::NONE

            OR

            Call the \Doctrine\ORM\EntityManager::clean method before \Doctrine\ORM\EntityManager::find

            Source https://stackoverflow.com/questions/71337399

            QUESTION

            SignalR CORS issue with Angular and .NET Core
            Asked 2022-Mar-10 at 08:45

            I know there are a lot of questions and answeres regarding this topic out there, but nothing matched my specific issue.

            I am using the following versions

            • Angular 10.0.14
              • @aspnet/signalr 1.0.27
            • ASP.NET Core 3.1

            VERSION UPDATE:

            • I just replaced @aspnet/signalr 1.0.27 by @microsoft/signalr 5.0.11 -> same issue.

            The SignalR connection works pretty fine until I add an accessTokenFactory in the Angular frontend.

            Frontend

            ...

            ANSWER

            Answered 2021-Oct-19 at 12:06

            Browsers do not support headers for websockets, therefore the bearer token has to be added as query string parameter. We hit the maximum length for URLs due to the length of our bearer token. We could shorten our token or use a reference token, see also: https://github.com/aspnet/SignalR/issues/1266

            Hope this helps others as well.

            Source https://stackoverflow.com/questions/69628049

            QUESTION

            .NET 6.0: new Blazor project throws Websocket error
            Asked 2022-Feb-26 at 12:07

            I am running currently a webserver with ASP.NET Core 3.1 and a Blazor project. Recently when upgrading to .NET 6.0 I encountered (even with a blank Blazor project) some problems with a websocket error message in the browser only when deployed on my webserver (see message below).

            Locally (on Windows 11 x64, VS 22 Preview 4) there are no error messages...

            Webserver: Debian 10 x64, .NET 6.0 SDK installed, running on NGINX with websockets enabled (reverse proxy).

            Do I miss out on something or is it a problem with the current state of .NET 6.0 and NGINX? I already tried to access the webpage locally on the debian server and the same error message occurs.

            Help would be much appreciated!

            Greetings!

            Error messages within order:

            ...

            ANSWER

            Answered 2022-Feb-26 at 12:07

            Here is the solution described again, maybe a little bit more convenient:

            To fix this problem, I changed in the site-configuration (/etc/nginx/sites-available) of nginx the following variables:

            Source https://stackoverflow.com/questions/70937709

            QUESTION

            WebSocket not working when trying to send generated answer by keras
            Asked 2022-Feb-17 at 12:52

            I am implementing a simple chatbot using keras and WebSockets. I now have a model that can make a prediction about the user input and send the according answer.

            When I do it through command line it works fine, however when I try to send the answer through my WebSocket, the WebSocket doesn't even start anymore.

            Here is my working WebSocket code:

            ...

            ANSWER

            Answered 2022-Feb-16 at 19:53

            There is no problem with your websocket route. Could you please share how you are triggering this route? Websocket is a different protocol and I'm suspecting that you are using a HTTP client to test websocket. For example in Postman:

            Postman New Screen

            HTTP requests are different than websocket requests. So, you should use appropriate client to test websocket.

            Source https://stackoverflow.com/questions/71099818

            QUESTION

            no affect on CORS enabling with NESTJS
            Asked 2022-Jan-31 at 21:31

            I fail to enable the CORS for testing with the latest NestJS 8.0.6 and a fresh http + ws project. That said, I want to see the Access-Control-Allow-Origin in the servers response (so that the client would accept it). Here is my main.ts where I've tried 3 approches: 1) with options, 2) with a method, 3) with app.use. None of them works.

            ...

            ANSWER

            Answered 2021-Sep-20 at 20:29

            The enableCors and { cors: true } options are for the HTTP server (express or fastify). The URL given showing the CORS error came from a socket.io connection. To enable CORS for socket.io you need to use the options in the @WebsocketGateway() decorator, like

            Source https://stackoverflow.com/questions/69259893

            QUESTION

            How to give certificate to Java Websocket?
            Asked 2022-Jan-20 at 10:33

            Forgive me for the newb question, but I am confused and obviously not understanding the fundamentals or explanations of how to use a Websocket server hosted over HTTPS. Everything I find online leads me to have more questions than answers.

            I have a Websocket server hosted on my HTTPS website using Java code.

            This is my WebsocketServer.java file:

            ...

            ANSWER

            Answered 2022-Jan-13 at 14:50

            Keep it easy.
            Certs inside your application are complex - they are hard to manage and you will get problems to run your application in a modern cloud environment (start new environments, renew certs, scale your application, ...).

            Simple conclusion: Dont implement any certs.

            How-to get encrypted connections?

            As Mike already pointed out in the comments: WebSockets are just upgraded HTTP(S) connections. A normal webserver (nginx, apache) takes care about the certs. It can be done in kubernetes (as ingress-controller) or with a "bare-metal" webserver.
            Both of them should act as a reverse-proxy. This means: Your java-application doesn't know anything about certs. It has just unencrypted connections - like in your code on port 6868.
            But the client will not use this port. 6868 is only internally reachable.

            The client will call your reverse-proxy at the normal HTTPS port (=443). The reverse-proxy will forward the connection to your java-application.

            Here some links for further information:

            Source https://stackoverflow.com/questions/70654559

            QUESTION

            Push local WebRTC stream to a NodeJS server in the cloud
            Asked 2021-Dec-16 at 06:33

            I have a task, but I can't seem to get it done. I've created a very simple WebRTC stream on a Raspberry Pi which will function as a videochat-camera. With ionic I made a simple mobile application which can display my WebRTC stream when the phone is connected to the same network. This all works.

            So right now I have my own local stream which shows on my app. I now want to be able to broadcast this stream from my phone to a live server, so other people can spectate it.

            I know how to create a NodeJS server which deploys my webcam with the 'getUserMedia' function. But I want to 'push' my WebRTC stream to a live server so I can retrieve a public URL for it.

            Is there a way to push my local Websocket to a live environment? I'm using a local RTCPeerConnection to create a MediaStream object

            ...

            ANSWER

            Answered 2021-Dec-10 at 16:54

            Is there a way to push my local Websocket to a live environment?

            It's not straightforward because you need more than vanilla webrtc (which is peer-to-peer). What you want is an SFU. Take a look at mediasoup.

            To realize why this is needed think about how the webrtc connection is established in your current app. It's a negotiation between two parties (facilitated by a signaling server). In order to turn this into a multi-cast setup you will need a proxy of sorts that then establishes separate peer-to-peer connections to all senders and receivers.

            Source https://stackoverflow.com/questions/70260437

            QUESTION

            Intercept WebSocket messages
            Asked 2021-Dec-09 at 17:16

            With ajax requests it can be done with this code:

            ...

            ANSWER

            Answered 2021-Dec-09 at 17:16
            Intro

            The question/bounty/op is specifically asking for a reputable source. Instead of rolling a custom solution, my proposal is that a known proven library should be used - that has been used, audited, forked, and in general used by the community and that is hosted on github.

            The second option is to roll your own (though not recommended) and there are many exccelent answers on how to do it involving the addEventListener

            wshook

            Wshook is a library (hosted on github) that allows to easily intercept and modify WebSocket requests and message events. It has been starred and forked multiple times.

            Disclaimer: I don't have any relationship with the specific project.strong text

            Example:

            Source https://stackoverflow.com/questions/70205816

            QUESTION

            How many total TCP connections are created for web socket call from browser to apache http server to web service
            Asked 2021-Oct-18 at 14:57

            I would like to know how many TCP connections are created when WebSocket call is made from browser to apache http server to backend web service?

            Does it create a separate TCP connection from the browser to apache http server and from apache to the web service?

            ...

            ANSWER

            Answered 2021-Oct-18 at 14:57

            When Apache is proxying websockets, there is 1 TCP connection between the client and Apache and 1 TCP connection between Apache and the backend.

            Apache watches both connections for activity and forwards read from one onto the other.

            This is the only way it can be in a layer 7 (Application Layer, HTTP) proxy. Something tunnelling at a much lower layer, like a NAT device or MAC forwarding IP sprayer could tunnel a single connection -- but not on the basis of anything higher up in the stack like headers.

            The 2nd connection is observable with netstat.

            The 2nd connection is opened when mod_proxy_wstunnel calls ap_proxy_connect_to_backend() which calls apr_socket_create() which calls the portable socket() routine. When recent releases of mod_proxy_http handle this tunneling automatically, simialr flow through ap_proxy_acquire_connection.

            Source https://stackoverflow.com/questions/69496700

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install jforgame

            You can download it from GitHub.
            You can use jforgame 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 jforgame 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 .

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
            Find more information at:

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