# Reactor Netty
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`Reactor Netty` offers non-blocking and backpressure-ready `TCP`/`HTTP`/`UDP`
clients & servers based on `Netty` framework.
## Getting it
`Reactor Netty` requires Java 8 or + to run.
With `Gradle` from [repo.spring.io](https://repo.spring.io) or `Maven Central` repositories (stable releases only):
```groovy
repositories {
//maven { url 'https://repo.spring.io/snapshot' }
maven { url 'https://repo.spring.io/release' }
mavenCentral()
}
dependencies {
//compile "io.projectreactor.netty:reactor-netty:0.9.1.BUILD-SNAPSHOT"
compile "io.projectreactor.netty:reactor-netty:0.9.0.RELEASE"
}
```
See the [Reference documentation](https://projectreactor.io/docs/netty/milestone/reference/index.html#getting)
for more information on getting it (eg. using `Maven`, or on how to get milestones and snapshots).
## Getting Started
New to `Reactor Netty`? Check this [Reactor Netty Workshop](https://violetagg.github.io/reactor-netty-workshop/)
and the [Reference documentation](https://projectreactor.io/docs/netty/milestone/reference/index.html)
Here is a very simple `HTTP` server and the corresponding `HTTP` client example
```java
HttpServer.create() // Prepares an HTTP server ready for configuration
.port(0) // Configures the port number as zero, this will let the system pick up
// an ephemeral port when binding the server
.route(routes ->
// The server will respond only on POST requests
// where the path starts with /test and then there is path parameter
routes.post("/test/{param}", (request, response) ->
response.sendString(request.receive()
.asString()
.map(s -> s + ' ' + request.param("param") + '!')
.log("http-server"))))
.bindNow(); // Starts the server in a blocking fashion, and waits for it to finish its initialization
```
```java
HttpClient.create() // Prepares an HTTP client ready for configuration
.port(server.port()) // Obtains the server's port and provides it as a port to which this
// client should connect
.post() // Specifies that POST method will be used
.uri("/test/World") // Specifies the path
.send(ByteBufFlux.fromString(Flux.just("Hello"))) // Sends the request body
.responseContent() // Receives the response body
.aggregate()
.asString()
.log("http-client")
.block();
```
## Getting help
Having trouble with `Reactor Netty`? We'd like to help!
* If you are upgrading, read the [release notes](https://github.com/reactor/reactor-netty/releases)
for upgrade instructions and *new and noteworthy* features.
* Ask a question - we monitor [stackoverflow.com](https://stackoverflow.com) for questions
tagged with [`reactor-netty`](https://stackoverflow.com/questions/tagged/reactor-netty). You can also chat
with the community on [Gitter](https://gitter.im/reactor/reactor-netty).
* Report bugs with `Reactor Netty` at [github.com/reactor/reactor-netty/issues](https://github.com/reactor/reactor-netty/issues).
## Reporting Issues
`Reactor Netty` uses `GitHub’s` integrated issue tracking system to record bugs and feature requests.
If you want to raise an issue, please follow the recommendations below:
* Before you log a bug, please [search the issue tracker](https://github.com/reactor/reactor-netty/search?type=Issues)
to see if someone has already reported the problem.
* If the issue doesn't already exist, [create a new issue](https://github.com/reactor/reactor-netty/issues/new).
* Please provide as much information as possible with the issue report, we like to know
the version of `Reactor Netty` that you are using, as well as your `Operating System` and
`JVM` version.
## Building from Source
You don't need to build from source to use `Reactor Netty` (binaries in
[repo.spring.io](https://repo.spring.io)), but if you want to try out the latest and
greatest, `Reactor Netty` can be easily built with the
[gradle wrapper](https://docs.gradle.org/current/userguide/gradle_wrapper.html). You also need JDK 1.8.
```shell
$ git clone https://github.com/reactor/reactor-netty.git
$ cd reactor-netty
$ ./gradlew build
```
If you want to publish the artifacts to your local `Maven` repository use:
```shell
$ ./gradlew install
```
## Javadoc
https://projectreactor.io/docs/netty/release/api/
## Guides
* https://projectreactor.io/docs/netty/milestone/reference/index.html
* https://violetagg.github.io/reactor-netty-workshop/
## License
Reactor Netty is Open Source Software released under the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0)
_Sponsored by [Pivotal](https://pivotal.io)_
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