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‎Client/Client API/Client.cs

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namespace Client
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{
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public static class Client
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{
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private static TcpClientLite _client;
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public static void CreateTcpClient(string ip, int port)
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{
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_client = new TcpClientLite(ip, port);
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ClientLog.ClientCreated(ip, port);
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}
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public static void Connect(string ip, int port)
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{
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_client.Connect(ip, port);
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ClientLog.ClientConnected(_client.LocalIP, _client.LocalPort,
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_client.RemoteIP, _client.RemotePort);
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}
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public static void SendText(string text)
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{
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int size = _client.SendText(text);
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ClientLog.BytesSent(size);
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}
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public static void Close()
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{
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_client.Close();
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ClientLog.ClientClosed();
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}
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}
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}

‎Client/Client API/ClientLog.cs

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using SharedAPI;
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namespace Client
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{
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public static class ClientLog
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{
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public static void New()
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{
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Log.New("Client");
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Log.Header("♦ Client");
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}
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public static void ClientCreated(string ip, int port)
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{
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Log.Note("New client created as Client@{0}:{1}.", ip, port);
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Log.Warning("Connecting...");
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}
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public static void ClientConnected(string localIP, int localPort,
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string remoteIP, int remotePort)
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{
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Log.SetCursorToPreviousLine();
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Log.ClearLine();
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Log.Success("Client@{0}:{1} connected to Server@{2}:{3}.",
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localIP, localPort, remoteIP, remotePort);
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}
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public static void BytesSent(int size)
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{
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Log.Info("{0} bytes sent.", size);
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}
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public static void ClientClosed()
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{
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Log.Warning("Client closed.");
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}
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}
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}

‎Client/Client API/TcpClientLite.cs

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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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namespace Client
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{
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public class TcpClientLite
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{
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private TcpClient _tcpClient;
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public string LocalIP { get; private set; }
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public int LocalPort { get; private set; }
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public string RemoteIP { get; private set; }
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public int RemotePort { get; private set; }
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public TcpClientLite(string localIP = "127.0.0.1 ", int localPort = 80)
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{
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this.LocalIP = localIP;
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this.LocalPort = localPort;
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_tcpClient = new TcpClient(new IPEndPoint(IPAddress.Parse(localIP), localPort));
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}
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public void Connect(string remoteIP = "127.0.0.2 ", int remotePort = 81)
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{
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this.RemoteIP = remoteIP;
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this.RemotePort = remotePort;
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_tcpClient.Connect(remoteIP, remotePort);
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}
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public int SendText(string text)
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{
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byte[] buffer = Encoding.UTF8.GetBytes(text);
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NetworkStream stream = _tcpClient.GetStream();
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stream.Write(buffer, 0, buffer.Length);
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return buffer.Length;
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}
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public void Close()
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{
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_tcpClient.Close();
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}
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}
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}

‎Client/Client.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{7293DD8E-888C-46BE-A4F6-B94FD0817092}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Client</RootNamespace>
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<AssemblyName>Client</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<TargetFrameworkProfile>Client</TargetFrameworkProfile>
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<FileAlignment>512</FileAlignment>
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<PublishUrl>publish\</PublishUrl>
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<Install>true</Install>
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<InstallFrom>Disk</InstallFrom>
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<UpdateEnabled>false</UpdateEnabled>
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<UpdateMode>Foreground</UpdateMode>
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<UpdateInterval>7</UpdateInterval>
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<UpdateIntervalUnits>Days</UpdateIntervalUnits>
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<UpdatePeriodically>false</UpdatePeriodically>
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<UpdateRequired>false</UpdateRequired>
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<MapFileExtensions>true</MapFileExtensions>
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<ApplicationRevision>0</ApplicationRevision>
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<ApplicationVersion>1.0.0.%2a</ApplicationVersion>
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<IsWebBootstrapper>false</IsWebBootstrapper>
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<UseApplicationTrust>false</UseApplicationTrust>
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<BootstrapperEnabled>true</BootstrapperEnabled>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup>
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<ApplicationIcon>icon.ico</ApplicationIcon>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Client API\Client.cs" />
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<Compile Include="Client API\ClientLog.cs" />
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<Compile Include="Client API\TcpClientLite.cs" />
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<ItemGroup>
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<Content Include="icon.ico" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\SharedAPI\SharedAPI.csproj">
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<Project>{2BC66B28-59F2-4A14-AACC-F2D545346D8B}</Project>
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<Name>SharedAPI</Name>
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</ProjectReference>
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</ItemGroup>
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<ItemGroup>
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<BootstrapperPackage Include=".NETFramework,Version=v4.0,Profile=Client">
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<Visible>False</Visible>
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<ProductName>Microsoft .NET Framework 4 Client Profile %28x86 et x64%29</ProductName>
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<Install>true</Install>
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</BootstrapperPackage>
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<BootstrapperPackage Include="Microsoft.Net.Client.3.5">
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<Visible>False</Visible>
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<ProductName>.NET Framework 3.5 SP1 Client Profile</ProductName>
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<Install>false</Install>
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</BootstrapperPackage>
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<BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
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<Visible>False</Visible>
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<ProductName>.NET Framework 3.5 SP1</ProductName>
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<Install>false</Install>
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</BootstrapperPackage>
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<BootstrapperPackage Include="Microsoft.Windows.Installer.3.1">
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<Visible>False</Visible>
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<ProductName>Windows Installer 3.1</ProductName>
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<Install>true</Install>
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</BootstrapperPackage>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

‎Client/Client.csproj.user

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<PublishUrlHistory>publish\</PublishUrlHistory>
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<InstallUrlHistory />
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<SupportUrlHistory />
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<UpdateUrlHistory />
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<BootstrapperUrlHistory />
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<ErrorReportUrlHistory />
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<FallbackCulture>fr-FR</FallbackCulture>
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<VerifyUploadedFiles>false</VerifyUploadedFiles>
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</PropertyGroup>
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</Project>

‎Client/Program.cs

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using System;
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using SharedAPI;
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namespace Client
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{
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class Program
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{
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static void Main(string[] args)
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{
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ClientLog.New();
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try
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{
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Client.CreateTcpClient("127.177.177.177", 1717);
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Client.Connect("127.0.0.1", 80);
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while (true) Client.SendText(Log.Prompt("Send Text"));
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}
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catch (Exception exception)
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{
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Log.Exception(exception);
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}
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finally
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{
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Client.Close();
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Main(args);
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}
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}
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}
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}

‎Client/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.InteropServices;
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// Les informations générales relatives à un assembly dépendent de
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// l'ensemble d'attributs suivant. Changez les valeurs de ces attributs pour modifier les informations
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// associées à un assembly.
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[assembly: AssemblyTitle("Client")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("Client")]
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[assembly: AssemblyCopyright("Copyright © 2021")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// L'affectation de la valeur false à ComVisible rend les types invisibles dans cet assembly
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// aux composants COM. Si vous devez accéder à un type dans cet assembly à partir de
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// COM, affectez la valeur true à l'attribut ComVisible sur ce type.
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[assembly: ComVisible(false)]
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// Le GUID suivant est pour l'ID de la typelib si ce projet est exposé à COM
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[assembly: Guid("b65c0212-c72b-4bd4-b1e3-2c3e4d96694d")]
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// Les informations de version pour un assembly se composent des quatre valeurs suivantes :
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//
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// Version principale
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// Version secondaire
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// Numéro de build
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// Révision
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//
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// Vous pouvez spécifier toutes les valeurs ou indiquer les numéros de build et de révision par défaut
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// en utilisant '*', comme indiqué ci-dessous :
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Client/bin/Release/Client.exe

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‎Client/bin/Release/Client.pdb

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‎Client/bin/Release/Client.vshost.exe

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‎Client/bin/Release/Client.vshost.exe.manifest

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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
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<assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
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<trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
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<security>
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<requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
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<requestedExecutionLevel level="asInvoker" uiAccess="false"/>
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</requestedPrivileges>
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</security>
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</trustInfo>
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</assembly>

‎Client/bin/Release/SharedAPI.dll

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‎Client/bin/Release/SharedAPI.pdb

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‎Client/icon.ico

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‎Client/obj/x86/Release/Client.csproj.FileListAbsolute.txt

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C:\Users\Abdelhakim\Desktop\TCP API\Client\bin\Release\Client.exe
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C:\Users\Abdelhakim\Desktop\TCP API\Client\bin\Release\Client.pdb
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C:\Users\Abdelhakim\Desktop\TCP API\Client\bin\Release\SharedAPI.dll
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C:\Users\Abdelhakim\Desktop\TCP API\Client\bin\Release\SharedAPI.pdb
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C:\Users\Abdelhakim\Desktop\TCP API\Client\obj\x86\Release\Client.csprojResolveAssemblyReference.cache
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C:\Users\Abdelhakim\Desktop\TCP API\Client\obj\x86\Release\Client.exe
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C:\Users\Abdelhakim\Desktop\TCP API\Client\obj\x86\Release\Client.pdb

‎Client/obj/x86/Release/Client.csprojResolveAssemblyReference.cache

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‎Client/obj/x86/Release/Client.exe

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‎Client/obj/x86/Release/Client.pdb

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‎Client/obj/x86/Release/DesignTimeResolveAssemblyReferencesInput.cache

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‎README.md

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# C# .NET TCP/IP Socket API
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Simple TCP Client and Server written in C# .NET for learning purposes only.
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The project consists of:
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- Simple **Wrapper** for the C# .NET TCP/IP Socket API.
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- **Client** and **Server** console applications using it.

‎Server/Program.cs

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using System;
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using SharedAPI;
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namespace Server
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{
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class Program
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{
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static void Main(string[] args)
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{
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ServerLog.New();
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try
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{
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Server.CreateTcpListener("127.0.0.1", 80);
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Server.Start();
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while (true) { Server.Connect(); break; }
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while (true) Server.ReceiveText();
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}
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catch (Exception exception)
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{
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Log.Exception(exception);
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}
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finally
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{
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Server.Stop();
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Main(args);
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}
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}
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}
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}

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