websocket-server | WebSocket Server in c # - HTML5 Web Sockets | Websocket library
kandi X-RAY | websocket-server Summary
kandi X-RAY | websocket-server Summary
A lot of the Web Socket examples out there are for old Web Socket versions and included complicated code (and external libraries) for fall back communication. All modern browsers that anyone cares about (including safari on an iphone) support at least version 13 of the Web Socket protocol so I'd rather not complicate things. This is a bare bones implementation of the web socket protocol in C# with no external libraries involved. You can connect using standard HTML5 JavaScript. This application serves up basic html pages as well as handling WebSocket connections. This may seem confusing but it allows you to send the client the html they need to make a web socket connection and also allows you to share the same port. However, the HttpConnection is very rudimentary. I'm sure it has some glaring security problems. It was just made to make this demo easier to run. Replace it with your own or don't use it.
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Community Discussions
Trending Discussions on websocket-server
QUESTION
I created WebsocketHandler
as it was shown in the Webflux websocket doc.
ANSWER
Answered 2021-May-27 at 08:30After some research I found that, this can be solved with the Flux itself. It is enough that we add startWith
method to the Flux
. As in the definition of the startWith
method.
Prepend the given values before this Flux sequence.
So we prepend our Hello
message to the start of the Flux
and it will be published first.
QUESTION
I found this answer Connect NestJS to a websocket server
Implemented my client as what you would have in the first answer. Second answer vent over my head a bit. Now I have a problem with listeners. When the socket disconnects I want to reconnect again. As you can see in the example listeners are instantiated in the constructor. When I want to reconnect those listeners are not re-instantiated and I don't know how to achieve that. Or how to instantiate listeners in some other way? Or even how to destroy that service and build a new one?
...ANSWER
Answered 2021-May-03 at 10:22So, you use websocket (lib "ws"). You can rewrite your service
QUESTION
I'm having this problem with Github Actions (continues integration) where the project i made in maven doesn't succeed because the POM is referencing itself. However i have no idea how to fix this.
I have 4 modules in my project.
Pac - Parent, uses client,server,shared,UI
Client - uses shared
Server - uses client, shared
Shared - uses nothing
UI - uses client, shared
Github Actions after pushing:
...ANSWER
Answered 2021-Jan-11 at 10:12Don't add modules as dependencies in the parent project.
Just add them as modules.
QUESTION
I have a project build with Gradle, it's actually a Vaadin project, with a servlet where I use Jetty.
At the startup (i.e gradle run) I have a lot of different warning message from AnnotationParser
about duplication of classes. I copy only one because the log is quite verbose:
ANSWER
Answered 2021-Feb-26 at 17:13Having the same class name in multiple locations on your classpath is a bad idea.
This is the most common form of unstable operation on Java there is!
The classloaders in Java have no guarantee of load order behavior if the same class is present in multiple locations within the classloader.
In one run you might accidentally load the classes in the order you intend, and have it run properly, then at a future date you run the same program and the load order is different, now you are running with a different class version and you have unexpected behavior.
The only way to fix this is to clean up your classloader and ensure that you only have 1 version of the class you intend to use.
This is what Jetty is telling you.
As for this specific one, javax.websocket-api
and javax.websocket-client-api
, you want to exclude javax.websocket-client-api
at the gradle level, as all of the websocket client classes are also present in the javax.websocket-api
.
The javax.websocket-client-api
jar is only intended for projects that only use the javax.websocket
Client, without a javax.websocket
Server.
Following the suggestion of joakim-erdfelt
I have modified my gradle.build
and this prevent the problem:
QUESTION
I'm using microsoft graph api version 2.3.2 to upload/download the document with sharepoint.
My uploading functionality is working fine. But to download the document randomly sometime facing com.microsoft.graph.core.ClientException: Error during http request
issue Caused by: java.lang.IllegalStateException: null
I'm using following code to download the document from sharepoint.
...ANSWER
Answered 2021-Feb-09 at 18:46This was caused by a bug in the SDK triggered by a change in the service behavior. (transfer encoding chunked)
The bug has been fixed and is available in release 1.0.8 of of the core library
QUESTION
I am trying to build Boost with websocket-server-sync example from Boost Beast examples. Firstly I would like to say that I'm building on Windows 10 with MSVS 2017 Professional Version 15.3.5 with SDK version 10.0.14393.0. The steps which I took to build the Boost were following:
First I started of course bootstrap.cmd
and then I run the .\b2 variant=release variant=debug link=static threading=multi address-model=64
for building static Boost libraries. Running these two steps was success.
The next step was to setup Visual Studio solution for running the Boost Beast examples. To be able to do this I needed to invoke cmake bulding system. So I created build folder in \libs\beast and ran the command cmake -G "Visual Studio 15 2017 Win64" ..
which created the needed solution for Visual Studio. The cmake process was succesfull. Here the log:
ANSWER
Answered 2021-Jan-28 at 08:21I have also post this question on Github page of the Boost Beast project and I got an answer from one of the maintainers that it is hard to compile the Boost Beast example projects because of bugs in the older versions of MSVS 2017 itself (see link to the answer of my question). The conclusion was that it is better to go with MSVS 2019 which is more reliable and compile it over there.
I have also tried it to compile it with MSVS 2019 and it works.
In case you can not change MSVS version then you should contact maintainers to help you with the problem. For me the information that my version of MSVS 2017 (not the latest MSVS 2017 version) has problems compiling Beast was good enough.
Update:
Regarding usage of MSVS 2017 for building of Boost Beast is that with the latest version of MSVS 2017 it should work (link here).
QUESTION
I am have modified a websocket server example from smol
to pass a string to the listen function.
I am getting an error:
...ANSWER
Answered 2020-Jul-04 at 15:44The lifetime of the borrow of s when calling s needs to be as long as future returned by echo as it is stored in it. However Task::spawn takes a future with 'static
lifetime, so that is longer than s going back it of scope at the end of the loop. You probably need an Arc>
to make this work.
QUESTION
Here is an example of it in action:
...ANSWER
Answered 2020-Jul-03 at 22:43It's approximately an operator for unwrap()
or try!
, so this could be expanded to something like:
QUESTION
I'm trying to connect a Angular app with a Spring app using Websockets. When trying to connect throught the Angular app I get the following error:
...ANSWER
Answered 2020-May-27 at 14:34Found the anwser, I got 2 problems, the first one was that when trying to connect to the Spring application, the server would forward it somehow to the RabbitMQ service. This way it looked like I could only connect to rabbitMQ.
QUESTION
web.php
...ANSWER
Answered 2020-Apr-12 at 09:22Setting the websocket route as below resolved the issue.
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