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eap (event-based asynchronous pattern)

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This commit is contained in:
syneffort
2023-02-07 11:28:25 +09:00
parent 4aa115a3d9
commit 8c953be3e3
7 changed files with 209 additions and 0 deletions
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61
EAP/Client/Client.cs Normal file
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using System.Net;
using System.Net.Sockets;
using System.Text;
namespace Client;
internal class Client
{
static void Main(string[] args)
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000);
SocketAsyncEventArgs arg = new SocketAsyncEventArgs();
arg.RemoteEndPoint = endPoint;
arg.Completed += ConnectCompleted;
bool pending = socket.ConnectAsync(arg);
if (!pending)
ConnectCompleted(socket, arg);
while (true)
{
Thread.Sleep(1000);
}
}
private static void ConnectCompleted(object? sender, SocketAsyncEventArgs e)
{
if (sender == null || e == null)
return;
Socket socket = (Socket)sender;
e.Dispose();
string str = Console.ReadLine() ?? string.Empty;
byte[] buffer = Encoding.UTF8.GetBytes(str);
SocketAsyncEventArgs arg = new SocketAsyncEventArgs();
arg.SetBuffer(buffer, 0, buffer.Length);
arg.Completed += SendCompleted;
bool pending = socket.SendAsync(arg);
if (!pending)
SendCompleted(socket, arg);
}
private static void SendCompleted(object? sender, SocketAsyncEventArgs e)
{
if (sender == null || e == null)
return;
Socket socket = (Socket)sender;
string str = Console.ReadLine() ?? string.Empty;
byte[] buffer = Encoding.UTF8.GetBytes(str);
e.SetBuffer(buffer, 0, buffer.Length);
bool pending = socket.SendAsync(e);
if (!pending)
SendCompleted(socket, e);
}
}

10
EAP/Client/Client.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

31
EAP/EAP.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.3.32929.385
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Server", "Server\Server.csproj", "{8423FCCE-2410-4B71-8760-DB9BF462CD6F}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Client", "Client\Client.csproj", "{BAA1EE6E-A707-4BAB-A179-15F48C92FD01}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{8423FCCE-2410-4B71-8760-DB9BF462CD6F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{8423FCCE-2410-4B71-8760-DB9BF462CD6F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{8423FCCE-2410-4B71-8760-DB9BF462CD6F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{8423FCCE-2410-4B71-8760-DB9BF462CD6F}.Release|Any CPU.Build.0 = Release|Any CPU
{BAA1EE6E-A707-4BAB-A179-15F48C92FD01}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{BAA1EE6E-A707-4BAB-A179-15F48C92FD01}.Debug|Any CPU.Build.0 = Debug|Any CPU
{BAA1EE6E-A707-4BAB-A179-15F48C92FD01}.Release|Any CPU.ActiveCfg = Release|Any CPU
{BAA1EE6E-A707-4BAB-A179-15F48C92FD01}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {814AD39F-59E2-4A4E-A7E0-3AEA0921C2F1}
EndGlobalSection
EndGlobal

10
EAP/EAP/EAP.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

10
EAP/EAP/Program.cs Normal file
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namespace EAP
{
internal class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello, World!");
}
}
}

77
EAP/Server/Server.cs Normal file
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using System.Net;
using System.Net.Sockets;
using System.Text;
namespace Server;
internal class Server
{
private static readonly int BUFFER_SIZE = 256;
static void Main(string[] args)
{
Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000);
serverSocket.Bind(endPoint);
serverSocket.Listen(100);
SocketAsyncEventArgs arg = new SocketAsyncEventArgs();
arg.Completed += AcceptCompleted;
bool pending = serverSocket.AcceptAsync(arg);
if (!pending)
AcceptCompleted(serverSocket, arg);
while (true)
{
Thread.Sleep(1000);
}
}
private static void AcceptCompleted(object? sender, SocketAsyncEventArgs e)
{
if (sender == null || e == null || e.AcceptSocket == null)
return;
Socket serverSocket = (Socket)sender;
Socket clientSocket = e.AcceptSocket;
Console.WriteLine(clientSocket.RemoteEndPoint);
e.AcceptSocket = null;
bool pending = serverSocket.AcceptAsync(e);
if (!pending)
AcceptCompleted(serverSocket, e);
SocketAsyncEventArgs arg = new SocketAsyncEventArgs();
arg.Completed += ReceiveCompleted;
byte[] buffer = new byte[BUFFER_SIZE];
arg.SetBuffer(buffer, 0, buffer.Length);
bool pending2 = clientSocket.ReceiveAsync(arg);
if (!pending2)
ReceiveCompleted(clientSocket, arg);
}
private static void ReceiveCompleted(object? sender, SocketAsyncEventArgs e)
{
if (sender == null || e == null)
return;
Socket clientSocket = (Socket)sender;
if (e.BytesTransferred < 1)
{
Console.WriteLine("Client is disconnected...");
clientSocket.Dispose();
e.Dispose();
return;
}
Console.WriteLine(Encoding.UTF8.GetString(e.Buffer));
byte[] buffer = new byte[BUFFER_SIZE];
e.SetBuffer(buffer, 0, buffer.Length);
bool pending = clientSocket.ReceiveAsync(e);
if (!pending)
ReceiveCompleted(clientSocket, e);
}
}

10
EAP/Server/Server.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>