Merge pull request '[Л/Р 4] Савицкий Александр' () from Savitskiy_ISEbd-41/distributed-computing:savitskiy_av_lab4 into main

Reviewed-on: http://student.git.athene.tech/v.moiseev/distributed-computing/pulls/75
This commit is contained in:
Vladislav Moiseev 2023-12-17 23:03:46 +04:00
commit 8ad85b8049
43 changed files with 1253 additions and 0 deletions

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using System.Text;
using RabbitMQ.Client;
Random rand = new Random();
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.ExchangeDeclare(exchange: "boardProcessing", type: ExchangeType.Fanout);
foreach (var item in Enumerable.Range(0, 1000))
{
var message = rand.Next().ToString();
var body = Encoding.UTF8.GetBytes(message);
channel.BasicPublish(exchange: "boardProcessing",
routingKey: string.Empty,
basicProperties: null,
body: body);
Console.WriteLine($" [x] Готово изделие {message}");
await Task.Delay(500);
}
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
static string GetMessage(string[] args)
{
return ((args.Length > 0) ? string.Join(" ", args) : "info: Hello World!");
}

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using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.QueueDeclare(queue: "automatic");
channel.QueueBind(queue: "automatic",
exchange: "boardProcessing",
routingKey: string.Empty);
Console.WriteLine(" [*] Waiting for messages.");
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async (model, ea) =>
{
byte[] body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
string outputText = $"Станок моментально обработал изделие {message}";
Console.WriteLine($" [x] Done. {outputText}");
channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
};
channel.BasicConsume(queue: "automatic",
autoAck: false,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();

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using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
Random rand = new Random();
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
string queueName = $"manual{rand.Next()}";
channel.QueueDeclare(queue: queueName);
channel.QueueBind(queue: queueName,
exchange: "boardProcessing",
routingKey: string.Empty);
Console.WriteLine(" [*] Waiting for messages.");
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async (model, ea) =>
{
byte[] body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
int waitTime = rand.Next(20, 90);
Thread.Sleep(waitTime * 100);
string outputText = $"Ручная обработка изделия {message} заняла {waitTime}";
Console.WriteLine($" [x] Done. {outputText}");
channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
};
channel.BasicConsume(queue: queueName,
autoAck: false,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();

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@ -0,0 +1,15 @@
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<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>worker_3</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
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# Отчет по лабораторной работе №4
Выполнил студент гр. ИСЭбд-41 Савицкий А.В.
## Прохождение tutorial
Установил rabbitMQ server, erlang и зашел в брокер под гостем по http://localhost:15672/#/
Туториал 1:
![](pic/tut1.png)
Туториал 2:
![](pic/tut2.png)
Туториал 3:
![](pic/tut3.png)
## Разработка демонстрационных приложений
Предметная область: Обработка изделий. Производитель - поставщик изделий, который сигнализирует о том, что изделие готово к обработке. Потребитель 1 - специалист, который вручную обрабатывает изделие и тратит время. Потребитель 2 - автоматическая обработка станком, считается что станок обрабатывает изделие моментально и не тратит время.
1. Publisher
```cs
using System.Text;
using RabbitMQ.Client;
Random rand = new Random();
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.ExchangeDeclare(exchange: "boardProcessing", type: ExchangeType.Fanout);
foreach (var item in Enumerable.Range(0, 1000))
{
var message = rand.Next().ToString();
var body = Encoding.UTF8.GetBytes(message);
channel.BasicPublish(exchange: "boardProcessing",
routingKey: string.Empty,
basicProperties: null,
body: body);
Console.WriteLine($" [x] Готов заказ {message}");
await Task.Delay(500);
}
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
static string GetMessage(string[] args)
{
return ((args.Length > 0) ? string.Join(" ", args) : "info: Hello World!");
}
```
2. Consumer 1.
```cs
using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.QueueDeclare(queue: "automatic");
channel.QueueBind(queue: "automatic",
exchange: "boardProcessing",
routingKey: string.Empty);
Console.WriteLine(" [*] Waiting for messages.");
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async (model, ea) =>
{
byte[] body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
string outputText = $"Станок моментально обработал изделие {message}";
Console.WriteLine($" [x] Done. {outputText}");
channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
};
channel.BasicConsume(queue: "automatic",
autoAck: false,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
```
3. Consumer 2.
```cs
using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
Random rand = new Random();
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
string queueName = $"manual{rand.Next()}";
channel.QueueDeclare(queue: queueName);
channel.QueueBind(queue: queueName,
exchange: "boardProcessing",
routingKey: string.Empty);
Console.WriteLine(" [*] Waiting for messages.");
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async (model, ea) =>
{
byte[] body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
int waitTime = rand.Next(20, 90);
Thread.Sleep(waitTime * 100);
string outputText = $"Ручная обработка изделия {message} заняла {waitTime}";
Console.WriteLine($" [x] Done. {outputText}");
channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
};
channel.BasicConsume(queue: queueName,
autoAck: false,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
```
## Результаты выполнения лабораторной работы
Потребителю один соответствует очередь automatic, а потребителю два - очередь manual.
Запуск двух экземпляров потребителя два и по одному экземпляру потребителя один и заказчика:
![](pic/1.PNG)
Очередь ручной обработки.
![](pic/2.PNG)
Очередь автоматической обработки
![](pic/3.PNG)
Как видно, первый потребитель работает без задержки, а очередь второго потребителя переполенена. Из этого следует, что скорость первого в разы выше, и он потребляет намного меньше памяти за счет постоянно пустой очереди.
Теперь добавим еще одного потребителя с ручной обработкой
![](pic/4.PNG)
Очередь ручной обработки.
![](pic/6.PNG)
Очередь автоматической обработки
![](pic/7.PNG)
Ситуация в очередью потребителя один не изменилась, а экземпляры потребителя два теперь затрачивают в 2 раза больше времени и памяти, их очереди так же переполнены, как и в ситуации выше.

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using System.Text;
using RabbitMQ.Client;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.QueueDeclare(queue: "hello",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
const string message = "Hello World!";
var body = Encoding.UTF8.GetBytes(message);
channel.BasicPublish(exchange: string.Empty,
routingKey: "hello",
basicProperties: null,
body: body);
Console.WriteLine($" [x] Sent {message}");
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();

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@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>worker_1</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="RabbitMQ.Client" Version="6.7.0" />
</ItemGroup>
</Project>

View File

@ -0,0 +1,25 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.8.34322.80
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-2", "worker-2\worker-2.csproj", "{33E9DE33-CF9C-4343-A2C4-005FCFCF5A9F}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{33E9DE33-CF9C-4343-A2C4-005FCFCF5A9F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{33E9DE33-CF9C-4343-A2C4-005FCFCF5A9F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{33E9DE33-CF9C-4343-A2C4-005FCFCF5A9F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{33E9DE33-CF9C-4343-A2C4-005FCFCF5A9F}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {EC5624E4-6B53-42F7-A049-AF1FB2306297}
EndGlobalSection
EndGlobal

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@ -0,0 +1,29 @@
using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.QueueDeclare(queue: "hello",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
Console.WriteLine(" [*] Waiting for messages.");
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
var body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
Console.WriteLine($" [x] Received {message}");
};
channel.BasicConsume(queue: "hello",
autoAck: true,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();

View File

@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>worker_2</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="RabbitMQ.Client" Version="6.7.0" />
</ItemGroup>
</Project>

View File

@ -0,0 +1,25 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.8.34322.80
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-1", "worker-1\worker-1.csproj", "{D4114F5B-2678-4D25-9D48-421B1A8D36BB}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Debug|Any CPU.Build.0 = Debug|Any CPU
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Release|Any CPU.ActiveCfg = Release|Any CPU
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {ED04EA40-ABD4-46CE-AC52-54B0F292FD16}
EndGlobalSection
EndGlobal

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@ -0,0 +1,39 @@
using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.QueueDeclare(queue: "task_queue",
durable: true,
exclusive: false,
autoDelete: false,
arguments: null);
channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);
Console.WriteLine(" [*] Waiting for messages.");
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
byte[] body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
Console.WriteLine($" [x] Received {message}");
int dots = message.Split('.').Length - 1;
Thread.Sleep(dots * 1000);
Console.WriteLine(" [x] Done");
// here channel could also be accessed as ((EventingBasicConsumer)sender).Model
channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
};
channel.BasicConsume(queue: "task_queue",
autoAck: false,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();

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@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>worker_1</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="RabbitMQ.Client" Version="6.7.0" />
</ItemGroup>
</Project>

View File

@ -0,0 +1,25 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.8.34322.80
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-2", "worker-2\worker-2.csproj", "{70F98125-F463-4504-A318-7522FC1A5281}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{70F98125-F463-4504-A318-7522FC1A5281}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{70F98125-F463-4504-A318-7522FC1A5281}.Debug|Any CPU.Build.0 = Debug|Any CPU
{70F98125-F463-4504-A318-7522FC1A5281}.Release|Any CPU.ActiveCfg = Release|Any CPU
{70F98125-F463-4504-A318-7522FC1A5281}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {2F4B29CA-8206-494B-8A7C-48F847186ACD}
EndGlobalSection
EndGlobal

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@ -0,0 +1,32 @@
using System.Text;
using RabbitMQ.Client;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.QueueDeclare(queue: "task_queue",
durable: true,
exclusive: false,
autoDelete: false,
arguments: null);
var message = GetMessage(args);
var body = Encoding.UTF8.GetBytes(message);
var properties = channel.CreateBasicProperties();
properties.Persistent = true;
channel.BasicPublish(exchange: string.Empty,
routingKey: "task_queue",
basicProperties: properties,
body: body);
Console.WriteLine($" [x] Sent {message}");
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
static string GetMessage(string[] args)
{
return ((args.Length > 0) ? string.Join(" ", args) : "Hello World!");
}

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@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>worker_2</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="RabbitMQ.Client" Version="6.7.0" />
</ItemGroup>
</Project>

View File

@ -0,0 +1,25 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.8.34322.80
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-1", "worker-1\worker-1.csproj", "{D4114F5B-2678-4D25-9D48-421B1A8D36BB}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Debug|Any CPU.Build.0 = Debug|Any CPU
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Release|Any CPU.ActiveCfg = Release|Any CPU
{D4114F5B-2678-4D25-9D48-421B1A8D36BB}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {ED04EA40-ABD4-46CE-AC52-54B0F292FD16}
EndGlobalSection
EndGlobal

View File

@ -0,0 +1,24 @@
using System.Text;
using RabbitMQ.Client;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.ExchangeDeclare(exchange: "logs", type: ExchangeType.Fanout);
var message = GetMessage(args);
var body = Encoding.UTF8.GetBytes(message);
channel.BasicPublish(exchange: "logs",
routingKey: string.Empty,
basicProperties: null,
body: body);
Console.WriteLine($" [x] Sent {message}");
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
static string GetMessage(string[] args)
{
return ((args.Length > 0) ? string.Join(" ", args) : "info: Hello World!");
}

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@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>worker_1</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="RabbitMQ.Client" Version="6.7.0" />
</ItemGroup>
</Project>

View File

@ -0,0 +1,25 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.8.34322.80
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-2", "worker-2\worker-2.csproj", "{70F98125-F463-4504-A318-7522FC1A5281}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{70F98125-F463-4504-A318-7522FC1A5281}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{70F98125-F463-4504-A318-7522FC1A5281}.Debug|Any CPU.Build.0 = Debug|Any CPU
{70F98125-F463-4504-A318-7522FC1A5281}.Release|Any CPU.ActiveCfg = Release|Any CPU
{70F98125-F463-4504-A318-7522FC1A5281}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {2F4B29CA-8206-494B-8A7C-48F847186ACD}
EndGlobalSection
EndGlobal

View File

@ -0,0 +1,31 @@
using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
var factory = new ConnectionFactory { HostName = "localhost" };
using var connection = factory.CreateConnection();
using var channel = connection.CreateModel();
channel.ExchangeDeclare(exchange: "logs", type: ExchangeType.Fanout);
// declare a server-named queue
var queueName = channel.QueueDeclare().QueueName;
channel.QueueBind(queue: queueName,
exchange: "logs",
routingKey: string.Empty);
Console.WriteLine(" [*] Waiting for logs.");
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
byte[] body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
Console.WriteLine($" [x] {message}");
};
channel.BasicConsume(queue: queueName,
autoAck: true,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();

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@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>worker_2</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="RabbitMQ.Client" Version="6.7.0" />
</ItemGroup>
</Project>

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