diff --git a/kutygin_andrey_lab_4/.gitignore b/kutygin_andrey_lab_4/.gitignore new file mode 100644 index 0000000..b63da45 --- /dev/null +++ b/kutygin_andrey_lab_4/.gitignore @@ -0,0 +1,42 @@ +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/kutygin_andrey_lab_4/.idea/.gitignore b/kutygin_andrey_lab_4/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/kutygin_andrey_lab_4/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/kutygin_andrey_lab_4/.idea/gradle.xml b/kutygin_andrey_lab_4/.idea/gradle.xml new file mode 100644 index 0000000..2a65317 --- /dev/null +++ b/kutygin_andrey_lab_4/.idea/gradle.xml @@ -0,0 +1,17 @@ + + + + + + + \ No newline at end of file diff --git a/kutygin_andrey_lab_4/.idea/jpa-buddy.xml b/kutygin_andrey_lab_4/.idea/jpa-buddy.xml new file mode 100644 index 0000000..966d5f5 --- /dev/null +++ b/kutygin_andrey_lab_4/.idea/jpa-buddy.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/kutygin_andrey_lab_4/.idea/misc.xml b/kutygin_andrey_lab_4/.idea/misc.xml new file mode 100644 index 0000000..6aac529 --- /dev/null +++ b/kutygin_andrey_lab_4/.idea/misc.xml @@ -0,0 +1,10 @@ + + + + + + + + + \ No newline at end of file diff --git a/kutygin_andrey_lab_4/README.md b/kutygin_andrey_lab_4/README.md new file mode 100644 index 0000000..ef3c859 --- /dev/null +++ b/kutygin_andrey_lab_4/README.md @@ -0,0 +1,40 @@ +# Лабораторная работа №4 + +## Задание + +Цель: изучение проектирования приложений при помощи брокера сообщений. + +Задачи: + +- Установить брокер сообщений RabbitMQ. +- Пройти уроки 1, 2 и 3 из RabbitMQ Tutorials на любом языке программирования. +- Продемонстрировать работу брокера сообщений + +## Ход работы + +### RabbitMQ +RabbitMQ был установлен на локальное устройство без использования Docker. + +### Работа брокера + +Было создано три приложения - publisher, consumer1, consumer2. + +Задача publisher - осуществлять отправку сообщений +![](screenshots/img1.png) + +Задача consumer1 - принимать сообщения и обрабатывать его 3 секунды +![consumer1Console.png](screenshots/img2.png) + +Задача consumer2 - получать сообщение и обрабатывать его моментально, без задержек +![consumer2Console.png](screenshots/img3.png) + +### Результат процесса выполнения в RabbitMQ +Изначально графики были неровные, но программа выполнялась долго, они выровнялись и получились следующие графики: +![overviewRMQ.png](screenshots/img4.png) +![exchangeRMQ.png](screenshots/img5.png) +![queue1RMQ.png](screenshots/img6.png) +![queue2RMQ.png](screenshots/img7.png) + +## Результат + +Видео: https://disk.yandex.ru/d/OcUMxP9PYaOlPg \ No newline at end of file diff --git a/kutygin_andrey_lab_4/build.gradle b/kutygin_andrey_lab_4/build.gradle new file mode 100644 index 0000000..6e1874d --- /dev/null +++ b/kutygin_andrey_lab_4/build.gradle @@ -0,0 +1,42 @@ +plugins { + id 'java' +} + +group = 'org.example' +version = '1.0-SNAPSHOT' + +repositories { + mavenCentral() +} + +dependencies { + testImplementation platform('org.junit:junit-bom:5.9.1') + testImplementation 'org.junit.jupiter:junit-jupiter' + implementation 'com.rabbitmq:amqp-client:5.12.0' + +} + +test { + useJUnitPlatform() +} + +/*task runApp1(type: JavaExec) { + main = 'org.example.Consumer1' // Замените на полное имя класса вашего приложения + classpath = sourceSets.main.runtimeClasspath +} + +task runApp2(type: JavaExec) { + main = 'org.example.Consumer2' // Замените на полное имя класса вашего приложения + classpath = sourceSets.main.runtimeClasspath +} + +task runApp3(type: JavaExec) { + main = 'org.example.Publisher' // Замените на полное имя класса вашего приложения + classpath = sourceSets.main.runtimeClasspath +} + +task runAll { + description = 'Run all three applications concurrently' + group = 'application' + dependsOn runApp1, runApp2, runApp3 +}*/ diff --git a/kutygin_andrey_lab_4/gradle/wrapper/gradle-wrapper.jar b/kutygin_andrey_lab_4/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/kutygin_andrey_lab_4/gradle/wrapper/gradle-wrapper.jar differ diff --git a/kutygin_andrey_lab_4/gradle/wrapper/gradle-wrapper.properties b/kutygin_andrey_lab_4/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..46a4213 --- /dev/null +++ b/kutygin_andrey_lab_4/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Thu Jan 11 14:32:39 GMT+04:00 2024 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/kutygin_andrey_lab_4/gradlew b/kutygin_andrey_lab_4/gradlew new file mode 100644 index 0000000..1b6c787 --- /dev/null +++ b/kutygin_andrey_lab_4/gradlew @@ -0,0 +1,234 @@ +#!/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. +# + +############################################################################## +# +# 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/master/subprojects/plugins/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 + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&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=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$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: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$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 + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# 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/kutygin_andrey_lab_4/gradlew.bat b/kutygin_andrey_lab_4/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/kutygin_andrey_lab_4/gradlew.bat @@ -0,0 +1,89 @@ +@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 + +@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=. +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%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="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! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/kutygin_andrey_lab_4/screenshots/img1.png b/kutygin_andrey_lab_4/screenshots/img1.png new file mode 100644 index 0000000..41eb051 Binary files /dev/null and b/kutygin_andrey_lab_4/screenshots/img1.png differ diff --git a/kutygin_andrey_lab_4/screenshots/img2.png b/kutygin_andrey_lab_4/screenshots/img2.png new file mode 100644 index 0000000..5e01bf0 Binary files /dev/null and b/kutygin_andrey_lab_4/screenshots/img2.png differ diff --git a/kutygin_andrey_lab_4/screenshots/img3.png b/kutygin_andrey_lab_4/screenshots/img3.png new file mode 100644 index 0000000..db0287c Binary files /dev/null and b/kutygin_andrey_lab_4/screenshots/img3.png differ diff --git a/kutygin_andrey_lab_4/screenshots/img4.png b/kutygin_andrey_lab_4/screenshots/img4.png new file mode 100644 index 0000000..3ec671c Binary files /dev/null and b/kutygin_andrey_lab_4/screenshots/img4.png differ diff --git a/kutygin_andrey_lab_4/screenshots/img5.png b/kutygin_andrey_lab_4/screenshots/img5.png new file mode 100644 index 0000000..481e5e6 Binary files /dev/null and b/kutygin_andrey_lab_4/screenshots/img5.png differ diff --git a/kutygin_andrey_lab_4/screenshots/img6.png b/kutygin_andrey_lab_4/screenshots/img6.png new file mode 100644 index 0000000..dcb7394 Binary files /dev/null and b/kutygin_andrey_lab_4/screenshots/img6.png differ diff --git a/kutygin_andrey_lab_4/screenshots/img7.png b/kutygin_andrey_lab_4/screenshots/img7.png new file mode 100644 index 0000000..d85786b Binary files /dev/null and b/kutygin_andrey_lab_4/screenshots/img7.png differ diff --git a/kutygin_andrey_lab_4/settings.gradle b/kutygin_andrey_lab_4/settings.gradle new file mode 100644 index 0000000..d2fafc0 --- /dev/null +++ b/kutygin_andrey_lab_4/settings.gradle @@ -0,0 +1,2 @@ +rootProject.name = 'lab4' + diff --git a/kutygin_andrey_lab_4/src/main/java/org/example/Consumer1.java b/kutygin_andrey_lab_4/src/main/java/org/example/Consumer1.java new file mode 100644 index 0000000..56f2d4d --- /dev/null +++ b/kutygin_andrey_lab_4/src/main/java/org/example/Consumer1.java @@ -0,0 +1,42 @@ +package org.example; + +import com.rabbitmq.client.*; + +public class Consumer1 { + private static final String QUEUE_NAME = "queue1"; + private static final String EXCHANGE_NAME = "exchange"; + + public static void main(String[] args) throws Exception { + try { + ConnectionFactory factory = new ConnectionFactory(); + factory.setHost("localhost"); + + Connection connection = factory.newConnection(); + Channel channel = connection.createChannel(); + + channel.queueDeclare(QUEUE_NAME, false, false, false, null); + channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, ""); + + DeliverCallback deliverCallback = (consumerTag, delivery) -> { + String message = new String(delivery.getBody()); + try { + System.out.println("Consumer1 received" + message); + Thread.sleep(3000); + } catch (InterruptedException e) { + e.printStackTrace(); + } + System.out.println(" Consumer1 processed the following message: " + message); + }; + + channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {}); + System.out.println("Consumer1 is waiting for messages"); + + while (true) { + // Поддержание работы приложения + } + + } catch (Exception e) { + e.printStackTrace(); + } + } +} diff --git a/kutygin_andrey_lab_4/src/main/java/org/example/Consumer2.java b/kutygin_andrey_lab_4/src/main/java/org/example/Consumer2.java new file mode 100644 index 0000000..a80b8f3 --- /dev/null +++ b/kutygin_andrey_lab_4/src/main/java/org/example/Consumer2.java @@ -0,0 +1,37 @@ +package org.example; + +import com.rabbitmq.client.*; + +public class Consumer2 { + private static final String EXCHANGE_NAME = "exchange"; + private static final String QUEUE_NAME = "queue2"; + + public static void main(String[] args) throws Exception { + try { + ConnectionFactory factory = new ConnectionFactory(); + factory.setHost("localhost"); + + Connection connection = factory.newConnection(); + Channel channel = connection.createChannel(); + + channel.queueDeclare(QUEUE_NAME, false, false, false, null); + channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, ""); + DeliverCallback deliverCallback = (consumerTag, delivery) -> { + String message = new String(delivery.getBody()); + System.out.println("Consumer2 received" + message); + // моментальная обработка сообщений + System.out.println("Consumer2 processed the following message: " + message); + }; + + channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {}); + System.out.println("Consumer2 is waiting for messages"); + + while (true) { + // Поддержание работы приложения + } + } catch (Exception e) { + e.printStackTrace(); + } + } + +} diff --git a/kutygin_andrey_lab_4/src/main/java/org/example/Publisher.java b/kutygin_andrey_lab_4/src/main/java/org/example/Publisher.java new file mode 100644 index 0000000..ca7116c --- /dev/null +++ b/kutygin_andrey_lab_4/src/main/java/org/example/Publisher.java @@ -0,0 +1,35 @@ +package org.example; + +import com.rabbitmq.client.Channel; +import com.rabbitmq.client.Connection; +import com.rabbitmq.client.ConnectionFactory; + +import java.util.Random; + +public class Publisher { + private static final String EXCHANGE_NAME = "exchange"; + + public static void main(String[] args) throws Exception { + ConnectionFactory factory = new ConnectionFactory(); + factory.setHost("localhost"); + + try (Connection connection = factory.newConnection(); + Channel channel = connection.createChannel()) { + channel.exchangeDeclare(EXCHANGE_NAME, "fanout"); + + while (true) { + String message = generateMessage(); // Генерация сообщения для журнала событий + channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes()); + System.out.println("Sent: " + message); + Thread.sleep(1000); // Ожидание 1 секунду + } + } catch (Exception e) { + e.printStackTrace(); + } + } + + private static String generateMessage() { + Random random = new Random(); + return "message №" + random.nextInt(100) + 1; + } +}