Dockerize Simulator

.dockerignore

@@ -0,0 +1 @@
+target

Dockerfile

@@ -0,0 +1,31 @@
+# The following images also work but produce images twice as big:
+#
+# - FROM maven:3-jdk-11-slim AS builder
+# - FROM openjdk:11
+#
+# The following can be used on MacOS:
+#
+# FROM --platform=linux/amd64 ibmjava:8-sdk
+
+
+FROM maven:3.6-jdk-8-alpine AS builder
+
+COPY . /app/src
+
+RUN mvn -f /app/src/pom.xml clean package
+
+FROM adoptopenjdk/openjdk8
+
+COPY --from=builder /app/src/charset/target/opensmpp-charset-3.0.3-SNAPSHOT.jar /app/charset.jar
+COPY --from=builder /app/src/client/target/opensmpp-client-3.0.3-SNAPSHOT.jar /app/client.jar
+COPY --from=builder /app/src/core/target/opensmpp-core-3.0.3-SNAPSHOT.jar /app/core.jar
+COPY --from=builder /app/src/sim/target/opensmpp-sim-3.0.3-SNAPSHOT.jar /app/sim.jar
+COPY sim/users.txt /app/etc/users.txt
+
+WORKDIR /app
+
+EXPOSE 2775
+
+ENV CLASSPATH=".:charset.jar:client.jar:core.jar:sim.jar"
+
+ENTRYPOINT ["java", "org.smpp.smscsim.Simulator"]

README.md

@@ -15,6 +15,11 @@ bug fixes, and has been generally refactored.
  *  client - a simple SMPP client
  *  sim - a simple SMSC simulator
 
+How to build and run Simulator with Docker:
+
+      $ ./scripts/docker-build
+      $ ./scripts/docker-run
+
 # Versions
 
 Versions of this project are managed according to the

docker-compose.yaml

@@ -0,0 +1,6 @@
+version: '3'
+services:
+  simulator:
+    build: .
+    ports:
+      - 2775:2775

pom.xml

@@ -13,8 +13,8 @@
 	<url>http://opensmpp.org/</url>
 
 	<properties>
-		<maven.compiler.source>1.5</maven.compiler.source>
-		<maven.compiler.target>1.5</maven.compiler.target>
+		<maven.compiler.source>1.8</maven.compiler.source>
+		<maven.compiler.target>1.8</maven.compiler.target>
 	  </properties>
 
 	<modules>
@@ -200,10 +200,10 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.0</version>
+				<version>3.8.0</version>
 				<configuration>
-					<source>1.5</source>
-					<target>1.5</target>
+					<source>1.8</source>
+					<target>1.8</target>
 					<encoding>UTF-8</encoding>
 				</configuration>
 			</plugin>

scripts/docker-build

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+docker build -t opensmpp-sim:3.0.3 .

scripts/docker-remove-dangling

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# remove all: stopped containers, unused networks, dangling images, build cache
+# docker system prune
+
+# remove dangling images
+
+dangling_images='docker images -f dangling=true -q'
+
+if [ $( $dangling_images |wc -l ) -gt 0 ]; then
+    docker rmi $( $dangling_images )
+    printf "* Dangling images have been removed\n"
+fi
+
+# remove exited containers
+
+exited_containers='docker ps -a -f status=exited -f status=created -q'
+
+if [ $( $exited_containers |wc -l ) -gt 0 ]; then
+    docker rm $( $exited_containers )
+    printf "* Exited containers have been removed\n"
+fi

scripts/docker-run

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+docker run -p 2775:2775 -it opensmpp-sim:3.0.3

sim/src/main/java/org/smpp/smscsim/Simulator.java

@@ -50,7 +50,7 @@
  * <p>
  * User file can be specified using <code>usersFileName</code> property, e.g.: <code>-DusersFileName=/my/path/to/users.txt</code>
  * </p>
- * 
+ *
  * @author Logica Mobile Networks SMPP Open Source Team
  * @version $Id: Simulator.java 72 2008-07-15 19:43:00Z sverkera $
  * @see SimulatorPDUProcessor
@@ -197,15 +197,17 @@ protected void menu() throws IOException {
 	/**
 	 * Permits a user to choose the port where to listen on and then creates and
 	 * starts new instance of <code>SMSCListener</code>.
-	 * An instance of the <code>SimulatorPDUProcessor</code> is created 
+	 * An instance of the <code>SimulatorPDUProcessor</code> is created
 	 * and this instance is passed to the <code>SMSCListener</code> which is started
 	 * just after.
 	 */
 	protected void start() throws IOException {
 		if (smscListener == null) {
-			System.out.print("Enter port number> ");
-			int port = Integer.parseInt(keyboard.readLine());
-			System.out.print("Starting listener... ");
+			// System.out.print("Enter port number> ");
+			// int port = Integer.parseInt(keyboard.readLine());
+			// System.out.print("Starting listener... ");
+			System.out.print("Listening on port 2775 ");
+			int port = 2775;
 			smscListener = new SMSCListenerImpl(port, true);
 			processors = new PDUProcessorGroup();
 			messageStore = new ShortMessageStore();
@@ -343,7 +345,7 @@ protected void listClients() {
 
 	/**
 	 * Permits data to be sent to a specific client.
-	 * With the id of the client set by the user, the method <code>sendMessage</code> 
+	 * With the id of the client set by the user, the method <code>sendMessage</code>
 	 * gets back the specific reference to the client's <code>PDUProcessor</code>.
 	 * With this reference you are able to send data to the client.
 	 */
@@ -399,7 +401,7 @@ protected void sendMessage() throws IOException {
  * Revision 1.1  2003/07/23 00:28:39  sverkera
  * Imported
  *
- * 
+ *
  * Old changelog:
  * 20-09-01 ticp@logica.com added support for sending of delivery info
  * 26-09-01 ticp@logica.com debug now in a group

sim/users.txt

@@ -19,9 +19,16 @@
 # "peter" and " peter".
 
 
-# Pavel can bound for unlimited time as any type
-name=pavel
-password=dfsew
+name=smppclient1
+password=password
+timeout=unlimited
+
+name=smppclient2
+password=password
+timeout=unlimited
+
+name=smppclient3
+password=password
 timeout=unlimited