NetworkBase.cs
45.1 KB
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HslCommunication.LogNet;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Net;
using HslCommunication.Core.IMessage;
using HslCommunication.BasicFramework;
using System.Threading.Tasks;
/*************************************************************************************
*
* 说明:
* 本组件的所有网络类的基类。提供了一些基础的操作实现,部分实现需要集成实现
*
* 重构日期:2018年3月8日 21:22:05
*
*************************************************************************************/
namespace HslCommunication.Core.Net
{
/// <summary>
/// 本系统所有网络类的基类,该类为抽象类,无法进行实例化
/// </summary>
/// <remarks>
/// network base class, support basic operation with socket
/// </remarks>
public abstract class NetworkBase
{
#region Constructor
/// <summary>
/// 实例化一个NetworkBase对象
/// </summary>
/// <remarks>
/// 令牌的默认值为空,都是0x00
/// </remarks>
public NetworkBase( )
{
Token = Guid.Empty;
}
#endregion
#region Public Properties
/// <summary>
/// 组件的日志工具,支持日志记录
/// </summary>
/// <remarks>
/// 只要实例化即可以记录日志,实例化的对象需要实现接口 <see cref="ILogNet"/> ,本组件提供了三个日志记录类,你可以实现基于 <see cref="ILogNet"/> 的对象。</remarks>
/// <example>
/// 如下的实例化适用于所有的Network及其派生类,以下举两个例子,三菱的设备类及服务器类
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkBase.cs" region="LogNetExample1" title="LogNet示例" />
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkBase.cs" region="LogNetExample2" title="LogNet示例" />
/// </example>
public ILogNet LogNet { get; set; }
/// <summary>
/// 网络类的身份令牌
/// </summary>
/// <remarks>
/// 适用于Hsl协议相关的网络通信类,不适用于设备交互类。
/// </remarks>
/// <example>
/// 此处以 <see cref="Enthernet.NetSimplifyServer"/> 服务器类及 <see cref="Enthernet.NetSimplifyClient"/> 客户端类的令牌设置举例
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkBase.cs" region="TokenClientExample" title="Client示例" />
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkBase.cs" region="TokenServerExample" title="Server示例" />
/// </example>
public Guid Token { get; set; }
/// <summary>
/// 是否使用同步的网络通讯
/// </summary>
public bool UseSynchronousNet { get; set; } = false;
#endregion
#region Potect Member
/// <summary>
/// 通讯类的核心套接字
/// </summary>
protected Socket CoreSocket = null;
#endregion
#region Protect Method
/// <summary>
/// 检查网络套接字是否操作超时,需要对套接字进行封装
/// </summary>
/// <param name="obj">通常是 <see cref="HslTimeOut"/> 对象 </param>
protected void ThreadPoolCheckTimeOut( object obj )
{
if (obj is HslTimeOut timeout)
{
while (!timeout.IsSuccessful)
{
Thread.Sleep( 100 );
if ((DateTime.Now - timeout.StartTime).TotalMilliseconds > timeout.DelayTime)
{
// 连接超时或是验证超时
if (!timeout.IsSuccessful)
{
LogNet?.WriteWarn( ToString( ), "Wait Time Out : " + timeout.DelayTime );
timeout.Operator?.Invoke( );
timeout.WorkSocket?.Close( );
}
break;
}
}
}
}
#endregion
/*****************************************************************************
*
* 说明:
* 下面的三个模块代码指示了如何接收数据,如何发送数据,如何连接网络
*
********************************************************************************/
#region Reveive Content
/// <summary>
/// 接收固定长度的字节数组
/// </summary>
/// <remarks>
/// Receive Special Length Bytes
/// </remarks>
/// <param name="socket">网络通讯的套接字</param>
/// <param name="length">准备接收的数据长度</param>
/// <returns>包含了字节数据的结果类</returns>
protected OperateResult<byte[]> Receive( Socket socket, int length )
{
if (length == 0) return OperateResult.CreateSuccessResult( new byte[0] );
if (!Authorization.nzugaydgwadawdibbas( )) return new OperateResult<byte[]>( StringResources.Language.AuthorizationFailed );
if (UseSynchronousNet)
{
try
{
byte[] data = NetSupport.ReadBytesFromSocket( socket, length );
return OperateResult.CreateSuccessResult( data );
}
catch (Exception ex)
{
socket?.Close( );
LogNet?.WriteException( ToString( ), "Receive", ex );
return new OperateResult<byte[]>( ex.Message );
}
}
OperateResult<byte[]> result = new OperateResult<byte[]>( );
ManualResetEvent receiveDone = null;
StateObject state = null;
try
{
receiveDone = new ManualResetEvent( false );
state = new StateObject( length );
}
catch (Exception ex)
{
return new OperateResult<byte[]>( ex.Message );
}
try
{
state.WaitDone = receiveDone;
state.WorkSocket = socket;
// Begin receiving the data from the remote device.
socket.BeginReceive( state.Buffer, state.AlreadyDealLength,
state.DataLength - state.AlreadyDealLength, SocketFlags.None,
new AsyncCallback( ReceiveCallback ), state );
}
catch (Exception ex)
{
// 发生了错误,直接返回
LogNet?.WriteException( ToString( ), ex );
result.Message = ex.Message;
receiveDone.Close( );
socket?.Close( );
return result;
}
// 等待接收完成,或是发生异常
receiveDone.WaitOne( );
receiveDone.Close( );
// 接收数据失败
if (state.IsError)
{
socket?.Close( );
result.Message = state.ErrerMsg;
return result;
}
// 远程关闭了连接
if (state.IsClose)
{
// result.IsSuccess = true;
result.Message = StringResources.Language.RemoteClosedConnection;
socket?.Close( );
return result;
}
// 正常接收到数据
result.Content = state.Buffer;
result.IsSuccess = true;
state.Clear( );
state = null;
return result;
}
private void ReceiveCallback( IAsyncResult ar )
{
if (ar.AsyncState is StateObject state)
{
try
{
Socket client = state.WorkSocket;
int bytesRead = client.EndReceive( ar );
if (bytesRead > 0)
{
// 接收到了数据
state.AlreadyDealLength += bytesRead;
if (state.AlreadyDealLength < state.DataLength)
{
// 获取接下来的所有的数据
client.BeginReceive( state.Buffer, state.AlreadyDealLength,
state.DataLength - state.AlreadyDealLength, SocketFlags.None,
new AsyncCallback( ReceiveCallback ), state );
}
else
{
// 接收到了所有的数据,通知接收数据的线程继续
state.WaitDone.Set( );
}
}
else
{
// 对方关闭了网络通讯
state.IsClose = true;
state.WaitDone.Set( );
}
}
catch (Exception ex)
{
state.IsError = true;
LogNet?.WriteException( ToString( ), "ReceiveCallback", ex );
state.ErrerMsg = ex.Message;
state.WaitDone.Set( );
}
}
}
#if !NET35
/// <summary>
/// 接收固定长度的字节数组
/// </summary>
/// <remarks>
/// Receive Special Length Bytes
/// </remarks>
/// <param name="socket">网络通讯的套接字</param>
/// <param name="length">准备接收的数据长度</param>
/// <returns>包含了字节数据的结果类</returns>
protected OperateResult<byte[]> ReceiveAsync( Socket socket, int length )
{
if (length <= 0) return OperateResult.CreateSuccessResult( new byte[0] );
var state = new StateObjectAsync<byte[]>( length );
state.Tcs = new TaskCompletionSource<byte[]>( );
state.WorkSocket = socket;
try
{
socket.BeginReceive( state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength,
SocketFlags.None, new AsyncCallback( ReceiveAsyncCallback ), state );
byte[] byteResult = state.Tcs.Task.Result;
if (byteResult == null)
{
socket?.Close( );
return new OperateResult<byte[]>( StringResources.Language.RemoteClosedConnection );
}
state.Clear( );
state = null;
return OperateResult.CreateSuccessResult( byteResult );
}
catch (Exception ex)
{
return new OperateResult<byte[]>( ex.Message );
}
}
private void ReceiveAsyncCallback( IAsyncResult ar )
{
if (ar.AsyncState is StateObjectAsync<byte[]> state)
{
try
{
Socket socket = state.WorkSocket;
int bytesRead = socket.EndReceive( ar );
if (bytesRead > 0)
{
// 接收到了数据
state.AlreadyDealLength += bytesRead;
if (state.AlreadyDealLength < state.DataLength)
{
// 获取接下来的所有的数据
socket.BeginReceive( state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength,
SocketFlags.None, new AsyncCallback( ReceiveAsyncCallback ), state );
}
else
{
// 接收到了所有的数据,通知接收数据的线程继续
state.Tcs.SetResult( state.Buffer );
}
}
else
{
// 对方关闭了网络通讯
state.IsClose = true;
state.Tcs.SetResult( null );
}
}
catch (Exception ex)
{
state.IsError = true;
LogNet?.WriteException( ToString( ), "ReceiveAsyncCallback", ex );
state.Tcs.SetException( ex );
}
}
}
#endif
#endregion
#region Receive Message
/// <summary>
/// 接收一条完整的 <seealso cref="INetMessage"/> 数据内容 ->
/// Receive a complete <seealso cref="INetMessage"/> data content
/// </summary>
/// <param name="socket">网络的套接字</param>
/// <param name="timeOut">超时时间</param>
/// <param name="netMessage">消息的格式定义</param>
/// <returns>带有是否成功的byte数组对象</returns>
protected OperateResult<byte[]> ReceiveByMessage( Socket socket, int timeOut, INetMessage netMessage )
{
HslTimeOut hslTimeOut = new HslTimeOut( )
{
DelayTime = timeOut,
WorkSocket = socket,
};
if (timeOut > 0) ThreadPool.QueueUserWorkItem( new WaitCallback( ThreadPoolCheckTimeOut ), hslTimeOut );
// 接收指令头
OperateResult<byte[]> headResult = Receive( socket, netMessage.ProtocolHeadBytesLength );
if (!headResult.IsSuccess)
{
hslTimeOut.IsSuccessful = true;
return headResult;
}
netMessage.HeadBytes = headResult.Content;
int contentLength = netMessage.GetContentLengthByHeadBytes( );
if (contentLength <= 0)
{
hslTimeOut.IsSuccessful = true;
return headResult;
}
OperateResult<byte[]> contentResult = Receive( socket, contentLength );
if (!contentResult.IsSuccess)
{
hslTimeOut.IsSuccessful = true;
return contentResult;
}
hslTimeOut.IsSuccessful = true;
netMessage.ContentBytes = contentResult.Content;
return OperateResult.CreateSuccessResult( SoftBasic.SpliceTwoByteArray( headResult.Content, contentResult.Content ) );
}
#endregion
#region Send Content
/// <summary>
/// 发送消息给套接字,直到完成的时候返回
/// </summary>
/// <param name="socket">网络套接字</param>
/// <param name="data">字节数据</param>
/// <returns>发送是否成功的结果</returns>
protected OperateResult Send( Socket socket, byte[] data )
{
if (data == null) return OperateResult.CreateSuccessResult( );
if (!Authorization.nzugaydgwadawdibbas( )) return new OperateResult<byte[]>( StringResources.Language.AuthorizationFailed );
if (UseSynchronousNet)
{
try
{
socket.Send( data );
return OperateResult.CreateSuccessResult( );
}
catch (Exception ex)
{
socket?.Close( );
LogNet?.WriteException( "Send", ex );
return new OperateResult<byte[]>( ex.Message );
}
}
OperateResult result = new OperateResult( );
ManualResetEvent sendDone = null;
StateObject state = null;
try
{
sendDone = new ManualResetEvent( false );
state = new StateObject( data.Length );
}
catch (Exception ex)
{
return new OperateResult( ex.Message );
}
try
{
state.WaitDone = sendDone;
state.WorkSocket = socket;
state.Buffer = data;
socket.BeginSend( state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength,
SocketFlags.None, new AsyncCallback( SendCallBack ), state );
}
catch (Exception ex)
{
// 发生了错误,直接返回
LogNet?.WriteException( ToString( ), ex );
result.Message = ex.Message;
socket?.Close( );
sendDone.Close( );
return result;
}
// 等待发送完成
sendDone.WaitOne( );
sendDone.Close( );
if (state.IsError)
{
socket.Close( );
result.Message = state.ErrerMsg;
return result;
}
state.Clear( );
state = null;
result.IsSuccess = true;
result.Message = StringResources.Language.SuccessText;
return result;
}
/// <summary>
/// 发送数据异步返回的方法
/// </summary>
/// <param name="ar">异步对象</param>
private void SendCallBack( IAsyncResult ar )
{
if (ar.AsyncState is StateObject state)
{
try
{
Socket socket = state.WorkSocket;
int byteSend = socket.EndSend( ar );
state.AlreadyDealLength += byteSend;
if (state.AlreadyDealLength < state.DataLength)
{
// 继续发送数据
socket.BeginSend( state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength,
SocketFlags.None, new AsyncCallback( SendCallBack ), state );
}
else
{
// 发送完成
state.WaitDone.Set( );
}
}
catch (Exception ex)
{
// 发生了异常
state.IsError = true;
LogNet?.WriteException( ToString( ), "SendCallBack", ex );
state.ErrerMsg = ex.Message;
state.WaitDone.Set( );
}
}
}
#if !NET35
/// <summary>
/// 发送一个异步的数据信息,该方式在NET35里是不可用的。
/// </summary>
/// <param name="socket">网络的套接字</param>
/// <param name="data">数据内容</param>
/// <returns>是否发送成功</returns>
protected OperateResult SendAsync( Socket socket, byte[] data )
{
if (data == null) return OperateResult.CreateSuccessResult( );
if (data.Length == 0) return OperateResult.CreateSuccessResult( );
var state = new StateObjectAsync<bool>( data.Length );
state.Tcs = new TaskCompletionSource<bool>( );
state.WorkSocket = socket;
state.Buffer = data;
try
{
socket.BeginSend( state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength,
SocketFlags.None, new AsyncCallback( SendAsyncCallBack ), state );
bool boolResult = state.Tcs.Task.Result;
return OperateResult.CreateSuccessResult( );
}
catch (Exception ex)
{
return new OperateResult( ex.Message );
}
}
private void SendAsyncCallBack( IAsyncResult ar )
{
if (ar.AsyncState is StateObjectAsync<bool> state)
{
try
{
Socket socket = state.WorkSocket;
state.AlreadyDealLength += socket.EndSend( ar );
if (state.AlreadyDealLength < state.DataLength)
{
// 继续发送数据
socket.BeginSend( state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength,
SocketFlags.None, new AsyncCallback( SendAsyncCallBack ), state );
}
else
{
// 发送完成
state.Tcs.SetResult( true );
}
}
catch (Exception ex)
{
state.IsError = true;
LogNet?.WriteException( "SendAsyncCallBack", ex );
state.Tcs.SetException( ex );
}
}
}
#endif
#endregion
#region Socket Connect
/// <summary>
/// 创建一个新的socket对象并连接到远程的地址,默认超时时间为10秒钟
/// </summary>
/// <param name="ipAddress">Ip地址</param>
/// <param name="port">端口号</param>
/// <returns>返回套接字的封装结果对象</returns>
/// <example>
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkBase.cs" region="CreateSocketAndConnectExample" title="创建连接示例" />
/// </example>
protected OperateResult<Socket> CreateSocketAndConnect( string ipAddress, int port )
{
return CreateSocketAndConnect( new IPEndPoint( IPAddress.Parse( ipAddress ), port ), 10000 );
}
/// <summary>
/// 创建一个新的socket对象并连接到远程的地址
/// </summary>
/// <param name="ipAddress">Ip地址</param>
/// <param name="port">端口号</param>
/// <param name="timeOut">连接的超时时间</param>
/// <returns>返回套接字的封装结果对象</returns>
/// <example>
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkBase.cs" region="CreateSocketAndConnectExample" title="创建连接示例" />
/// </example>
protected OperateResult<Socket> CreateSocketAndConnect( string ipAddress, int port, int timeOut )
{
return CreateSocketAndConnect( new IPEndPoint( IPAddress.Parse( ipAddress ), port ), timeOut );
}
/// <summary>
/// 创建一个新的socket对象并连接到远程的地址
/// </summary>
/// <param name="endPoint">连接的目标终结点</param>
/// <param name="timeOut">连接的超时时间</param>
/// <returns>返回套接字的封装结果对象</returns>
/// <example>
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkBase.cs" region="CreateSocketAndConnectExample" title="创建连接示例" />
/// </example>
protected OperateResult<Socket> CreateSocketAndConnect( IPEndPoint endPoint, int timeOut )
{
if (UseSynchronousNet)
{
var socket = new Socket( AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
try
{
HslTimeOut connectTimeout = new HslTimeOut( )
{
WorkSocket = socket,
DelayTime = timeOut
};
ThreadPool.QueueUserWorkItem( new WaitCallback( ThreadPoolCheckTimeOut ), connectTimeout );
socket.Connect( endPoint );
connectTimeout.IsSuccessful = true;
return OperateResult.CreateSuccessResult( socket );
}
catch (Exception ex)
{
socket?.Close( );
LogNet?.WriteException( "CreateSocketAndConnect", ex );
return new OperateResult<Socket>( ex.Message );
}
}
else
{
OperateResult<Socket> result = new OperateResult<Socket>( );
ManualResetEvent connectDone = null;
StateObject state = null;
try
{
connectDone = new ManualResetEvent( false );
state = new StateObject( );
}
catch (Exception ex)
{
return new OperateResult<Socket>( ex.Message );
}
var socket = new Socket( AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
// 超时验证的信息
HslTimeOut connectTimeout = new HslTimeOut( )
{
WorkSocket = socket,
DelayTime = timeOut
};
ThreadPool.QueueUserWorkItem( new WaitCallback( ThreadPoolCheckTimeOut ), connectTimeout );
try
{
state.WaitDone = connectDone;
state.WorkSocket = socket;
socket.BeginConnect( endPoint, new AsyncCallback( ConnectCallBack ), state );
}
catch (Exception ex)
{
// 直接失败
connectTimeout.IsSuccessful = true; // 退出线程池的超时检查
LogNet?.WriteException( ToString( ), ex ); // 记录错误日志
socket.Close( ); // 关闭网络信息
connectDone.Close( ); // 释放等待资源
result.Message = StringResources.Language.ConnectedFailed + ex.Message; // 传递错误消息
return result;
}
// 等待连接完成
connectDone.WaitOne( );
connectDone.Close( );
connectTimeout.IsSuccessful = true;
if (state.IsError)
{
// 连接失败
result.Message = StringResources.Language.ConnectedFailed + state.ErrerMsg;
socket?.Close( );
return result;
}
result.Content = socket;
result.IsSuccess = true;
state.Clear( );
state = null;
return result;
}
}
/// <summary>
/// 当连接的结果返回
/// </summary>
/// <param name="ar">异步对象</param>
private void ConnectCallBack( IAsyncResult ar )
{
if (ar.AsyncState is StateObject state)
{
try
{
Socket socket = state.WorkSocket;
socket.EndConnect( ar );
state.WaitDone.Set( );
}
catch (Exception ex)
{
// 发生了异常
state.IsError = true;
LogNet?.WriteException( ToString( ), "ConnectCallBack", ex );
state.ErrerMsg = ex.Message;
state.WaitDone.Set( );
}
}
}
#if !NET35
private OperateResult<Socket> ConnectAsync( IPEndPoint endPoint, int timeOut )
{
var socket = new Socket( AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
var state = new StateObjectAsync<Socket>( );
state.Tcs = new TaskCompletionSource<Socket>( );
state.WorkSocket = socket;
// timeout check
HslTimeOut connectTimeout = new HslTimeOut( )
{
WorkSocket = socket,
DelayTime = timeOut
};
ThreadPool.QueueUserWorkItem( new WaitCallback( ThreadPoolCheckTimeOut ), connectTimeout );
try
{
socket.BeginConnect( endPoint, new AsyncCallback( ConnectAsyncCallBack ), state );
socket = state.Tcs.Task.Result;
return OperateResult.CreateSuccessResult( socket );
}
catch (Exception ex)
{
return new OperateResult<Socket>( ex.Message );
}
}
private void ConnectAsyncCallBack( IAsyncResult ar )
{
if (ar.AsyncState is StateObjectAsync<Socket> state)
{
try
{
Socket socket = state.WorkSocket;
socket.EndConnect( ar );
state.Tcs.SetResult( socket );
}
catch (Exception ex)
{
// 发生了异常
state.IsError = true;
LogNet?.WriteException( "ConnectAsyncCallBack", ex );
state.ErrerMsg = ex.Message;
state.Tcs.SetException( ex );
}
}
}
#endif
#endregion
/*****************************************************************************
*
* 说明:
* 下面的两个模块代码指示了如何读写文件
*
********************************************************************************/
#region Read Stream
/// <summary>
/// 读取流中的数据到缓存区
/// </summary>
/// <param name="stream">数据流</param>
/// <param name="buffer">缓冲区</param>
/// <returns>带有成功标志的读取数据长度</returns>
protected OperateResult<int> ReadStream( Stream stream, byte[] buffer )
{
ManualResetEvent WaitDone = new ManualResetEvent( false );
FileStateObject stateObject = new FileStateObject
{
WaitDone = WaitDone,
Stream = stream,
DataLength = buffer.Length,
Buffer = buffer
};
try
{
stream.BeginRead( buffer, 0, stateObject.DataLength, new AsyncCallback( ReadStreamCallBack ), stateObject );
}
catch (Exception ex)
{
LogNet?.WriteException( ToString( ), ex );
stateObject = null;
WaitDone.Close( );
return new OperateResult<int>( );
}
WaitDone.WaitOne( );
WaitDone.Close( );
if (stateObject.IsError)
{
return new OperateResult<int>( )
{
Message = stateObject.ErrerMsg
};
}
else
{
return OperateResult.CreateSuccessResult( stateObject.AlreadyDealLength );
}
}
private void ReadStreamCallBack( IAsyncResult ar )
{
if (ar.AsyncState is FileStateObject stateObject)
{
try
{
stateObject.AlreadyDealLength += stateObject.Stream.EndRead( ar );
stateObject.WaitDone.Set( );
}
catch (Exception ex)
{
LogNet?.WriteException( ToString( ), ex );
stateObject.IsError = true;
stateObject.ErrerMsg = ex.Message;
stateObject.WaitDone.Set( );
}
}
}
#endregion
#region Write Stream
/// <summary>
/// 将缓冲区的数据写入到流里面去
/// </summary>
/// <param name="stream">数据流</param>
/// <param name="buffer">缓冲区</param>
/// <returns>是否写入成功</returns>
protected OperateResult WriteStream( Stream stream, byte[] buffer )
{
ManualResetEvent WaitDone = new ManualResetEvent( false );
FileStateObject stateObject = new FileStateObject
{
WaitDone = WaitDone,
Stream = stream
};
try
{
stream.BeginWrite( buffer, 0, buffer.Length, new AsyncCallback( WriteStreamCallBack ), stateObject );
}
catch (Exception ex)
{
LogNet?.WriteException( ToString( ), ex );
stateObject = null;
WaitDone.Close( );
return new OperateResult( ex.Message );
}
WaitDone.WaitOne( );
WaitDone.Close( );
if (stateObject.IsError)
{
return new OperateResult( )
{
Message = stateObject.ErrerMsg
};
}
else
{
return OperateResult.CreateSuccessResult( );
}
}
private void WriteStreamCallBack( IAsyncResult ar )
{
if (ar.AsyncState is FileStateObject stateObject)
{
try
{
stateObject.Stream.EndWrite( ar );
}
catch (Exception ex)
{
LogNet?.WriteException( ToString( ), ex );
stateObject.IsError = true;
stateObject.ErrerMsg = ex.Message;
}
finally
{
stateObject.WaitDone.Set( );
}
}
}
#endregion
#region Token Check
/// <summary>
/// 检查当前的头子节信息的令牌是否是正确的
/// </summary>
/// <param name="headBytes">头子节数据</param>
/// <returns>令牌是验证成功</returns>
protected bool CheckRemoteToken( byte[] headBytes )
{
return SoftBasic.IsByteTokenEquel( headBytes, Token );
}
#endregion
#region Special Bytes Send
/// <summary>
/// [自校验] 发送字节数据并确认对方接收完成数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">网络套接字</param>
/// <param name="headcode">头指令</param>
/// <param name="customer">用户指令</param>
/// <param name="send">发送的数据</param>
/// <returns>是否发送成功</returns>
protected OperateResult SendBaseAndCheckReceive( Socket socket, int headcode, int customer, byte[] send )
{
// 数据处理
send = HslProtocol.CommandBytes( headcode, customer, Token, send );
// 发送数据
OperateResult sendResult = Send( socket, send );
if (!sendResult.IsSuccess) return sendResult;
// 检查对方接收完成
OperateResult<long> checkResult = ReceiveLong( socket );
if (!checkResult.IsSuccess) return checkResult;
// 检查长度接收
if (checkResult.Content != send.Length)
{
socket?.Close( );
return new OperateResult( StringResources.Language.CommandLengthCheckFailed );
}
return checkResult;
}
/// <summary>
/// [自校验] 发送字节数据并确认对方接收完成数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">网络套接字</param>
/// <param name="customer">用户指令</param>
/// <param name="send">发送的数据</param>
/// <returns>是否发送成功</returns>
protected OperateResult SendBytesAndCheckReceive( Socket socket, int customer, byte[] send )
{
return SendBaseAndCheckReceive( socket, HslProtocol.ProtocolUserBytes, customer, send );
}
/// <summary>
/// [自校验] 直接发送字符串数据并确认对方接收完成数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">网络套接字</param>
/// <param name="customer">用户指令</param>
/// <param name="send">发送的数据</param>
/// <returns>是否发送成功</returns>
protected OperateResult SendStringAndCheckReceive( Socket socket, int customer, string send )
{
byte[] data = string.IsNullOrEmpty( send ) ? null : Encoding.Unicode.GetBytes( send );
return SendBaseAndCheckReceive( socket, HslProtocol.ProtocolUserString, customer, data );
}
/// <summary>
/// [自校验] 直接发送字符串数组并确认对方接收完成数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">网络套接字</param>
/// <param name="customer">用户指令</param>
/// <param name="sends">发送的字符串数组</param>
/// <returns>是否发送成功</returns>
protected OperateResult SendStringAndCheckReceive( Socket socket, int customer, string[] sends )
{
return SendBaseAndCheckReceive( socket, HslProtocol.ProtocolUserStringArray, customer, HslProtocol.PackStringArrayToByte( sends ) );
}
/// <summary>
/// [自校验] 直接发送字符串数组并确认对方接收完成数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">网络套接字</param>
/// <param name="customer">用户指令</param>
/// <param name="name">用户名</param>
/// <param name="pwd">密码</param>
/// <returns>是否发送成功</returns>
protected OperateResult SendAccountAndCheckReceive( Socket socket, int customer, string name, string pwd )
{
return SendBaseAndCheckReceive( socket, HslProtocol.ProtocolAccountLogin, customer, HslProtocol.PackStringArrayToByte( new string[] { name, pwd } ) );
}
/// <summary>
/// [自校验] 接收一条完整的同步数据,包含头子节和内容字节,基础的数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">套接字</param>
/// <param name="timeout">超时时间设置,如果为负数,则不检查超时</param>
/// <returns>包含是否成功的结果对象</returns>
/// <exception cref="ArgumentNullException">result</exception>
protected OperateResult<byte[], byte[]> ReceiveAndCheckBytes( Socket socket, int timeout )
{
// 30秒超时接收验证
HslTimeOut hslTimeOut = new HslTimeOut( )
{
DelayTime = timeout,
IsSuccessful = false,
StartTime = DateTime.Now,
WorkSocket = socket,
};
if (timeout > 0) ThreadPool.QueueUserWorkItem( new WaitCallback( ThreadPoolCheckTimeOut ), hslTimeOut );
// 接收头指令
OperateResult<byte[]> headResult = Receive( socket, HslProtocol.HeadByteLength );
if (!headResult.IsSuccess)
{
hslTimeOut.IsSuccessful = true;
return OperateResult.CreateFailedResult<byte[], byte[]>( headResult );
}
hslTimeOut.IsSuccessful = true;
// 检查令牌
if (!CheckRemoteToken( headResult.Content ))
{
socket?.Close( );
return new OperateResult<byte[], byte[]>( StringResources.Language.TokenCheckFailed );
}
int contentLength = BitConverter.ToInt32( headResult.Content, HslProtocol.HeadByteLength - 4 );
// 接收内容
OperateResult<byte[]> contentResult = Receive( socket, contentLength );
if (!contentResult.IsSuccess) return OperateResult.CreateFailedResult<byte[], byte[]>( contentResult );
// 返回成功信息
OperateResult checkResult = SendLong( socket, HslProtocol.HeadByteLength + contentLength );
if (!checkResult.IsSuccess) return OperateResult.CreateFailedResult<byte[], byte[]>( checkResult );
byte[] head = headResult.Content;
byte[] content = contentResult.Content;
content = HslProtocol.CommandAnalysis( head, content );
return OperateResult.CreateSuccessResult( head, content );
}
/// <summary>
/// [自校验] 从网络中接收一个字符串数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">套接字</param>
/// <returns>包含是否成功的结果对象</returns>
protected OperateResult<int, string> ReceiveStringContentFromSocket( Socket socket )
{
OperateResult<byte[], byte[]> receive = ReceiveAndCheckBytes( socket, 10000 );
if (!receive.IsSuccess) return OperateResult.CreateFailedResult<int, string>( receive );
// 检查是否是字符串信息
if (BitConverter.ToInt32( receive.Content1, 0 ) != HslProtocol.ProtocolUserString)
{
LogNet?.WriteError( ToString( ), StringResources.Language.CommandHeadCodeCheckFailed );
socket?.Close( );
return new OperateResult<int, string>( StringResources.Language.CommandHeadCodeCheckFailed );
}
if (receive.Content2 == null) receive.Content2 = new byte[0];
// 分析数据
return OperateResult.CreateSuccessResult( BitConverter.ToInt32( receive.Content1, 4 ), Encoding.Unicode.GetString( receive.Content2 ) );
}
/// <summary>
/// [自校验] 从网络中接收一个字符串数组,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">套接字</param>
/// <returns>包含是否成功的结果对象</returns>
protected OperateResult<int, string[]> ReceiveStringArrayContentFromSocket( Socket socket )
{
OperateResult<byte[], byte[]> receive = ReceiveAndCheckBytes( socket, 10000 );
if (!receive.IsSuccess) return OperateResult.CreateFailedResult<int, string[]>( receive );
// 检查是否是字符串信息
if (BitConverter.ToInt32( receive.Content1, 0 ) != HslProtocol.ProtocolUserStringArray)
{
LogNet?.WriteError( ToString( ), StringResources.Language.CommandHeadCodeCheckFailed );
socket?.Close( );
return new OperateResult<int, string[]>( StringResources.Language.CommandHeadCodeCheckFailed );
}
if (receive.Content2 == null) receive.Content2 = new byte[4];
return OperateResult.CreateSuccessResult( BitConverter.ToInt32( receive.Content1, 4 ), HslProtocol.UnPackStringArrayFromByte( receive.Content2 ) );
}
/// <summary>
/// [自校验] 从网络中接收一串字节数据,如果结果异常,则结束通讯
/// </summary>
/// <param name="socket">套接字的网络</param>
/// <returns>包含是否成功的结果对象</returns>
protected OperateResult<int, byte[]> ReceiveBytesContentFromSocket( Socket socket )
{
OperateResult<byte[], byte[]> receive = ReceiveAndCheckBytes( socket, 10000 );
if (!receive.IsSuccess) return OperateResult.CreateFailedResult<int, byte[]>( receive );
// 检查是否是字节信息
if (BitConverter.ToInt32( receive.Content1, 0 ) != HslProtocol.ProtocolUserBytes)
{
LogNet?.WriteError( ToString( ), StringResources.Language.CommandHeadCodeCheckFailed );
socket?.Close( );
return new OperateResult<int, byte[]>( StringResources.Language.CommandHeadCodeCheckFailed );
}
// 分析数据
return OperateResult.CreateSuccessResult( BitConverter.ToInt32( receive.Content1, 4 ), receive.Content2 );
}
/// <summary>
/// 从网络中接收Long数据
/// </summary>
/// <param name="socket"></param>
/// <returns></returns>
private OperateResult<long> ReceiveLong( Socket socket )
{
OperateResult<byte[]> read = Receive( socket, 8 );
if (read.IsSuccess)
{
return OperateResult.CreateSuccessResult( BitConverter.ToInt64( read.Content, 0 ) );
}
else
{
return new OperateResult<long>( )
{
Message = read.Message,
};
}
}
/// <summary>
/// 将long数据发送到套接字
/// </summary>
/// <param name="socket"></param>
/// <param name="value"></param>
/// <returns></returns>
private OperateResult SendLong( Socket socket, long value )
{
return Send( socket, BitConverter.GetBytes( value ) );
}
#endregion
#region Object Override
/// <summary>
/// 返回表示当前对象的字符串
/// </summary>
/// <returns>字符串</returns>
public override string ToString( )
{
return "NetworkBase";
}
#endregion
}
}