diff --git a/kotlin-java-client/.gitignore b/kotlin-java-client/.gitignore new file mode 100644 index 00000000..e51bc30b --- /dev/null +++ b/kotlin-java-client/.gitignore @@ -0,0 +1,2 @@ +build/* +.gradle/* diff --git a/kotlin-java-client/README.md b/kotlin-java-client/README.md new file mode 100644 index 00000000..91b51dec --- /dev/null +++ b/kotlin-java-client/README.md @@ -0,0 +1,95 @@ +# RabbitMQ Tutorials in Kotlin + +This is a minimalistic Kotlin port of the [RabbitMQ tutorials in Java](https://www.rabbitmq.com/getstarted.html). +The port is admittedly quite close to Java in terms of code style. + + +## Compiling the Code + +``` shell +gradle clean compileKotlin +``` + +## Running the Tutorials + +### Tutorial 1 + +Execute the following command to start a Hello, world consumer + +``` shell +gradle run -P main=Recv +``` + +Execute the following in a separate shell to publish a Hello, world messge: + +``` shell +gradle run -P main=Send +``` + +### Tutorial 2 + +Send a task message. The task will be completed immediately + +``` shell +gradle run -P main=NewTask +``` + +To start a worker (run in a separate shell): + +``` shell +gradle run -P main=Worker +``` + +Send a task message. It will wait for 1 second for each dot in the payload. + +``` shell +gradle run -P main=NewTask -P argv="rabbit1 ...." +``` + +Add more workers to the same queue, message will be distributed in the +round robin manner. + +### Tutorial 3 + +``` shell +gradle run -P main=ReceiveLogs +``` + + +``` shell +gradle run -P main=EmitLog -P argv="rabbit1, msg1" +``` + +### Tutorial 4 + +``` shell +gradle run -P main="ReceiveLogsDirect" -P argv="info,error" +``` + +``` shell +gradle run -P main=EmitLogDirect" +``` + +### Tutorial 5 + +``` shell +gradle run -P main=ReceiveLogsTopic -P argv="anonymous.*" +``` + +``` shell +gradle run -P main=EmitLogTopic -P argv="anonymous.info" +``` + +### Tutorial 6 + +In one shell: + +``` shell +gradle run -P main=RPCServer +``` + +In another shell: + +``` shell +gradle run -P main=RPCClient +``` diff --git a/kotlin/build.gradle b/kotlin-java-client/build.gradle similarity index 100% rename from kotlin/build.gradle rename to kotlin-java-client/build.gradle diff --git a/kotlin-java-client/gradle.properties b/kotlin-java-client/gradle.properties new file mode 100644 index 00000000..19b3681c --- /dev/null +++ b/kotlin-java-client/gradle.properties @@ -0,0 +1,2 @@ +main = +argv = diff --git a/kotlin/settings.gradle b/kotlin-java-client/settings.gradle similarity index 100% rename from kotlin/settings.gradle rename to kotlin-java-client/settings.gradle diff --git a/kotlin/src/main/kotlin/EmitLog.kt b/kotlin-java-client/src/main/kotlin/EmitLog.kt similarity index 100% rename from kotlin/src/main/kotlin/EmitLog.kt rename to kotlin-java-client/src/main/kotlin/EmitLog.kt diff --git a/kotlin/src/main/kotlin/EmitLogDirect.kt b/kotlin-java-client/src/main/kotlin/EmitLogDirect.kt similarity index 100% rename from kotlin/src/main/kotlin/EmitLogDirect.kt rename to kotlin-java-client/src/main/kotlin/EmitLogDirect.kt diff --git a/kotlin/src/main/kotlin/EmitLogHeader.kt b/kotlin-java-client/src/main/kotlin/EmitLogHeader.kt similarity index 100% rename from kotlin/src/main/kotlin/EmitLogHeader.kt rename to kotlin-java-client/src/main/kotlin/EmitLogHeader.kt diff --git a/kotlin/src/main/kotlin/EmitLogTopic.kt b/kotlin-java-client/src/main/kotlin/EmitLogTopic.kt similarity index 100% rename from kotlin/src/main/kotlin/EmitLogTopic.kt rename to kotlin-java-client/src/main/kotlin/EmitLogTopic.kt diff --git a/kotlin/src/main/kotlin/NewTask.kt b/kotlin-java-client/src/main/kotlin/NewTask.kt similarity index 100% rename from kotlin/src/main/kotlin/NewTask.kt rename to kotlin-java-client/src/main/kotlin/NewTask.kt diff --git a/kotlin/src/main/kotlin/RPCClient.kt b/kotlin-java-client/src/main/kotlin/RPCClient.kt similarity index 100% rename from kotlin/src/main/kotlin/RPCClient.kt rename to kotlin-java-client/src/main/kotlin/RPCClient.kt diff --git a/kotlin/src/main/kotlin/RPCServer.kt b/kotlin-java-client/src/main/kotlin/RPCServer.kt similarity index 100% rename from kotlin/src/main/kotlin/RPCServer.kt rename to kotlin-java-client/src/main/kotlin/RPCServer.kt diff --git a/kotlin/src/main/kotlin/ReceiveLogHeader.kt b/kotlin-java-client/src/main/kotlin/ReceiveLogHeader.kt similarity index 100% rename from kotlin/src/main/kotlin/ReceiveLogHeader.kt rename to kotlin-java-client/src/main/kotlin/ReceiveLogHeader.kt diff --git a/kotlin/src/main/kotlin/ReceiveLogs.kt b/kotlin-java-client/src/main/kotlin/ReceiveLogs.kt similarity index 100% rename from kotlin/src/main/kotlin/ReceiveLogs.kt rename to kotlin-java-client/src/main/kotlin/ReceiveLogs.kt diff --git a/kotlin/src/main/kotlin/ReceiveLogsDirect.kt b/kotlin-java-client/src/main/kotlin/ReceiveLogsDirect.kt similarity index 100% rename from kotlin/src/main/kotlin/ReceiveLogsDirect.kt rename to kotlin-java-client/src/main/kotlin/ReceiveLogsDirect.kt diff --git a/kotlin/src/main/kotlin/ReceiveLogsTopic.kt b/kotlin-java-client/src/main/kotlin/ReceiveLogsTopic.kt similarity index 100% rename from kotlin/src/main/kotlin/ReceiveLogsTopic.kt rename to kotlin-java-client/src/main/kotlin/ReceiveLogsTopic.kt diff --git a/kotlin/src/main/kotlin/Recv.kt b/kotlin-java-client/src/main/kotlin/Recv.kt similarity index 100% rename from kotlin/src/main/kotlin/Recv.kt rename to kotlin-java-client/src/main/kotlin/Recv.kt diff --git a/kotlin/src/main/kotlin/Send.kt b/kotlin-java-client/src/main/kotlin/Send.kt similarity index 100% rename from kotlin/src/main/kotlin/Send.kt rename to kotlin-java-client/src/main/kotlin/Send.kt diff --git a/kotlin/src/main/kotlin/Worker.kt b/kotlin-java-client/src/main/kotlin/Worker.kt similarity index 100% rename from kotlin/src/main/kotlin/Worker.kt rename to kotlin-java-client/src/main/kotlin/Worker.kt diff --git a/kotlin/.gitignore b/kotlin/.gitignore index e51bc30b..ba8d33ea 100644 --- a/kotlin/.gitignore +++ b/kotlin/.gitignore @@ -1,2 +1,3 @@ build/* .gradle/* +.kotlin diff --git a/kotlin/README.md b/kotlin/README.md index 91b51dec..4098ed9f 100644 --- a/kotlin/README.md +++ b/kotlin/README.md @@ -1,95 +1,3 @@ -# RabbitMQ Tutorials in Kotlin +# RabbitMQ Tutorials in Kotlin (JVM & Native) -This is a minimalistic Kotlin port of the [RabbitMQ tutorials in Java](https://www.rabbitmq.com/getstarted.html). -The port is admittedly quite close to Java in terms of code style. - -## Compiling the Code - -``` shell -gradle clean compileKotlin -``` - -## Running the Tutorials - -### Tutorial 1 - -Execute the following command to start a Hello, world consumer - -``` shell -gradle run -P main=Recv -``` - -Execute the following in a separate shell to publish a Hello, world messge: - -``` shell -gradle run -P main=Send -``` - -### Tutorial 2 - -Send a task message. The task will be completed immediately - -``` shell -gradle run -P main=NewTask -``` - -To start a worker (run in a separate shell): - -``` shell -gradle run -P main=Worker -``` - -Send a task message. It will wait for 1 second for each dot in the payload. - -``` shell -gradle run -P main=NewTask -P argv="rabbit1 ...." -``` - -Add more workers to the same queue, message will be distributed in the -round robin manner. - -### Tutorial 3 - -``` shell -gradle run -P main=ReceiveLogs -``` - - -``` shell -gradle run -P main=EmitLog -P argv="rabbit1, msg1" -``` - -### Tutorial 4 - -``` shell -gradle run -P main="ReceiveLogsDirect" -P argv="info,error" -``` - -``` shell -gradle run -P main=EmitLogDirect" -``` - -### Tutorial 5 - -``` shell -gradle run -P main=ReceiveLogsTopic -P argv="anonymous.*" -``` - -``` shell -gradle run -P main=EmitLogTopic -P argv="anonymous.info" -``` - -### Tutorial 6 - -In one shell: - -``` shell -gradle run -P main=RPCServer -``` - -In another shell: - -``` shell -gradle run -P main=RPCClient -``` diff --git a/kotlin/build.gradle.kts b/kotlin/build.gradle.kts new file mode 100644 index 00000000..6efb5267 --- /dev/null +++ b/kotlin/build.gradle.kts @@ -0,0 +1,29 @@ +plugins { + kotlin("multiplatform") version "2.1.21" +} + +repositories { + mavenCentral() +} + +kotlin { + // Examples can be executed with JVM or natively for macOS, Linux, or Windows + jvm() + macosArm64() + linuxX64() + mingwX64() + + applyDefaultHierarchyTemplate() + sourceSets { + val commonMain by getting { + dependencies { + api("dev.kourier:amqp-client:0.3.1") + } + } + val commonTest by getting { + dependencies { + implementation(kotlin("test")) + } + } + } +} diff --git a/kotlin/gradle/wrapper/gradle-wrapper.jar b/kotlin/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 00000000..1b33c55b Binary files /dev/null and b/kotlin/gradle/wrapper/gradle-wrapper.jar differ diff --git a/kotlin/gradle/wrapper/gradle-wrapper.properties b/kotlin/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 00000000..ca025c83 --- /dev/null +++ b/kotlin/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/kotlin/gradlew b/kotlin/gradlew new file mode 100755 index 00000000..23d15a93 --- /dev/null +++ b/kotlin/gradlew @@ -0,0 +1,251 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# SPDX-License-Identifier: Apache-2.0 +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH="\\\"\\\"" + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/kotlin/gradlew.bat b/kotlin/gradlew.bat new file mode 100644 index 00000000..db3a6ac2 --- /dev/null +++ b/kotlin/gradlew.bat @@ -0,0 +1,94 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH= + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/kotlin/settings.gradle.kts b/kotlin/settings.gradle.kts new file mode 100644 index 00000000..fc6d81fb --- /dev/null +++ b/kotlin/settings.gradle.kts @@ -0,0 +1 @@ +rootProject.name = "rabbitmq-tutorial" diff --git a/kotlin/src/commonMain/kotlin/HelloWorld.kt b/kotlin/src/commonMain/kotlin/HelloWorld.kt new file mode 100644 index 00000000..8d1e1cac --- /dev/null +++ b/kotlin/src/commonMain/kotlin/HelloWorld.kt @@ -0,0 +1,60 @@ +import dev.kourier.amqp.Properties +import dev.kourier.amqp.connection.amqpConfig +import dev.kourier.amqp.connection.createAMQPConnection +import io.ktor.utils.io.core.* +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.delay +import kotlinx.coroutines.launch +import kotlinx.coroutines.runBlocking + +val queueName = "hello" + +suspend fun send(coroutineScope: CoroutineScope) { + val config = amqpConfig { + server { + host = "localhost" + } + } + val connection = createAMQPConnection(coroutineScope, config) + val channel = connection.openChannel() + + channel.queueDeclare(queueName, durable = false, exclusive = false, autoDelete = false, arguments = emptyMap()) + val message = "Hello World!" + channel.basicPublish(message.toByteArray(), exchange = "", routingKey = queueName, properties = Properties()) + println("[x] Sent '$message'") + + channel.close() + connection.close() +} + +suspend fun receive(coroutineScope: CoroutineScope) { + val config = amqpConfig { + server { + host = "localhost" + } + } + val connection = createAMQPConnection(coroutineScope, config) + val channel = connection.openChannel() + + channel.queueDeclare(queueName, durable = false, exclusive = false, autoDelete = false, arguments = emptyMap()) + println("[*] Waiting for messages. To exit press CTRL+C") + + val consumer = channel.basicConsume(queueName, noAck = true) + for (delivery in consumer) { + val message: String = delivery.message.body.decodeToString() + println("[x] Received '$message'") + } + + channel.close() + connection.close() +} + +fun main() = runBlocking { + val coroutineScope = this + + launch { send(coroutineScope) } + launch { receive(coroutineScope) } + + delay(Long.MAX_VALUE) // Keep the main thread alive to allow the consumer to run +} +