tcp-mocker

Build

Maven

./mvnw clean package

Docker

docker-compose up

Usage

Maven:

<dependency>
    <groupId>io.payworks.labs.tcpmocker</groupId>
    <artifactId>tcp-mocker-service</artifactId>
    <version>LOCAL-SNAPSHOT</version>
</dependency>

Java:

var port = 10001;

var dataHandlersLoader = new DefaultDataHandlersLoader();
dataHandlersLoader.setMappingsPath("./tcp-mappings")

var serverBuilder = new NettyTcpServerBuilder();
var serverFactory = new TcpServerFactory(serverBuilder, dataHandlersLoader);

serverFactory.createTcpServer(port);

Docker:

docker run -it --rm \
  -p 10001:10001 \
  -v $(pwd)/tcp-mappings:/var/lib/tcp-mocker/tcp-mappings \
  tcp-mocker-app:LOCAL-SNAPSHOT

Tips & Tricks

Upgrade Maven Version

mvn -N io.takari:maven:wrapper -Dmaven=3.6.0

TCP Mocker Application Playground

$ docker run -it --rm \
    -p 10001:10001 \
    -v $(pwd)/tcp-mocker-app-test/tcp-mocker-app/tcp-mappings:/var/lib/tcp-mocker/tcp-mappings \
    tcp-mocker-app:LOCAL-SNAPSHOT

$ echo -ne 'ping' | xxd -p
70696e67

$ echo -ne '\x70\x69\x6e\x67' | xxd -p
70696e67

$ echo -ne '\x70\x69\x6e\x67' | ncat localhost 10001
pong

$ echo -ne '\x70\x69\x6e\x67' | ncat localhost 10001 | xxd -p
706f6e67