old_flsystem/PCRobot/HPSocketCS/TcpServer.cs

1148 lines
35 KiB
C#
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2022-09-20 03:10:29 +00:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization;
namespace HPSocketCS
{
public class TcpServer<T> : TcpServer
{
public new T GetExtra(IntPtr connId)
{
return base.GetExtra<T>(connId);
}
public bool SetExtra(IntPtr connId, T obj)
{
return base.SetExtra(connId, obj);
}
}
public class TcpServer : ConnectionExtra, IServer
{
protected IntPtr pServer = IntPtr.Zero;
protected IntPtr pListener = IntPtr.Zero;
/// <summary>
/// 服务器ip
/// </summary>
public string IpAddress { get; set; }
/// <summary>
/// 服务器端口
/// </summary>
public ushort Port { get; set; }
/// <summary>
/// 连接到达事件
/// </summary>
public event ServerEvent.OnAcceptEventHandler OnAccept;
/// <summary>
/// 数据包发送事件
/// </summary>
public event ServerEvent.OnSendEventHandler OnSend;
/// <summary>
/// 准备监听了事件
/// </summary>
public event ServerEvent.OnPrepareListenEventHandler OnPrepareListen;
/// <summary>
/// 数据到达事件
/// </summary>
public event ServerEvent.OnReceiveEventHandler OnReceive;
/// <summary>
/// 数据到达事件(指针数据)
/// </summary>
public event ServerEvent.OnPointerDataReceiveEventHandler OnPointerDataReceive;
/// <summary>
/// 连接关闭事件
/// </summary>
public event ServerEvent.OnCloseEventHandler OnClose;
/// <summary>
/// 服务器关闭事件
/// </summary>
public event ServerEvent.OnShutdownEventHandler OnShutdown;
/// <summary>
/// 握手成功事件
/// </summary>
public event ServerEvent.OnHandShakeEventHandler OnHandShake;
protected bool IsCreate = false;
public TcpServer()
{
CreateListener();
}
~TcpServer()
{
Destroy();
}
/// <summary>
/// 创建socket监听&服务组件
/// </summary>
/// <returns></returns>
protected virtual bool CreateListener()
{
if (IsCreate == true || pListener != IntPtr.Zero || pServer != IntPtr.Zero)
{
return false;
}
pListener = Sdk.Create_HP_TcpServerListener();
if (pListener == IntPtr.Zero)
{
return false;
}
pServer = Sdk.Create_HP_TcpServer(pListener);
if (pServer == IntPtr.Zero)
{
return false;
}
IsCreate = true;
return true;
}
/// <summary>
/// 终止服务并释放资源
/// </summary>
public virtual void Destroy()
{
Stop();
if (pServer != IntPtr.Zero)
{
Sdk.Destroy_HP_TcpServer(pServer);
pServer = IntPtr.Zero;
}
if (pListener != IntPtr.Zero)
{
Sdk.Destroy_HP_TcpServerListener(pListener);
pListener = IntPtr.Zero;
}
IsCreate = false;
}
/// <summary>
/// 启动服务
/// </summary>
/// <returns></returns>
public bool Start()
{
if (IsCreate == false)
{
return false;
}
if (pServer == IntPtr.Zero)
{
return false;
}
SetCallback();
return Sdk.HP_Server_Start(pServer, IpAddress, Port);
}
/// <summary>
/// 停止服务
/// </summary>
/// <returns></returns>
public bool Stop()
{
if (pServer == IntPtr.Zero)
{
return false;
}
return Sdk.HP_Server_Stop(pServer);
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="connId"></param>
/// <param name="bytes"></param>
/// <param name="size"></param>
/// <returns></returns>
public bool Send(IntPtr connId, byte[] bytes, int size)
{
return Sdk.HP_Server_Send(pServer, connId, bytes, size);
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="connId"></param>
/// <param name="bufferPtr"></param>
/// <param name="size"></param>
/// <returns></returns>
public bool Send(IntPtr connId, IntPtr bufferPtr, int size)
{
return Sdk.HP_Server_Send(pServer, connId, bufferPtr, size);
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="connId"></param>
/// <param name="bytes"></param>
/// <param name="offset">针对bytes的偏移</param>
/// <param name="size">发多大</param>
/// <returns></returns>
public bool Send(IntPtr connId, byte[] bytes, int offset, int size)
{
return Sdk.HP_Server_SendPart(pServer, connId, bytes, size, offset);
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="connId"></param>
/// <param name="bufferPtr"></param>
/// <param name="offset">针对bufferPtr的偏移</param>
/// <param name="size">发多大</param>
/// <returns></returns>
public bool Send(IntPtr connId, IntPtr bufferPtr, int offset, int size)
{
return Sdk.HP_Server_SendPart(pServer, connId, bufferPtr, size, offset);
}
/// <summary>
/// 发送多组数据
/// 向指定连接发送多组数据
/// TCP - 顺序发送所有数据包
/// </summary>
/// <param name="connId">连接 ID</param>
/// <param name="pBuffers">发送缓冲区数组</param>
/// <param name="count">发送缓冲区数目</param>
/// <returns>TRUE.成功,FALSE.失败,可通过 SYSGetLastError() 获取 Windows 错误代码</returns>
public bool SendPackets(IntPtr connId, WSABUF[] pBuffers, int count)
{
return Sdk.HP_Server_SendPackets(pServer, connId, pBuffers, count);
}
/// <summary>
/// 发送多组数据
/// 向指定连接发送多组数据
/// TCP - 顺序发送所有数据包
/// </summary>
/// <param name="connId">连接 ID</param>
/// <param name="objects">发送缓冲区数组</param>
/// <returns>TRUE.成功,FALSE.失败,可通过 SYSGetLastError() 获取 Windows 错误代码</returns>
public bool SendPackets<T>(IntPtr connId, T[] objects)
{
bool ret = false;
WSABUF[] buffer = new WSABUF[objects.Length];
IntPtr[] ptrs = new IntPtr[buffer.Length];
try
{
for (int i = 0; i < objects.Length; i++)
{
buffer[i].Length = Marshal.SizeOf(typeof(T));
ptrs[i] = Marshal.AllocHGlobal(buffer[i].Length);
Marshal.StructureToPtr(objects[i], ptrs[i], true);
buffer[i].Buffer = ptrs[i];
}
ret = SendPackets(connId, buffer, buffer.Length);
}
catch (Exception ex)
{
throw ex;
}
finally
{
foreach (var ptr in ptrs)
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeHGlobal(ptr);
}
}
}
return ret;
}
/// <summary>
/// 名称:发送小文件
/// 描述:向指定连接发送 4096 KB 以下的小文件
/// </summary>
/// <param name="connId"></param>
/// <param name="filePath">文件路径</param>
/// <param name="head">头部附加数据</param>
/// <param name="tail">尾部附加数据</param>
/// <returns>TRUE.成功,FALSE.失败,可通过 SYSGetLastError() 获取 Windows 错误代码</returns>
public bool SendSmallFile(IntPtr connId, string filePath, ref WSABUF head, ref WSABUF tail)
{
return Sdk.HP_TcpServer_SendSmallFile(pServer, connId, filePath, ref head, ref tail);
}
/// <summary>
/// 名称:发送小文件
/// 描述:向指定连接发送 4096 KB 以下的小文件
/// </summary>
/// <param name="connId"></param>
/// <param name="filePath">文件路径</param>
/// <param name="head">头部附加数据,可以为null</param>
/// <param name="tail">尾部附加数据,可以为null</param>
/// <returns>TRUE.成功,FALSE.失败,可通过 SYSGetLastError() 获取 Windows 错误代码</returns>
public bool SendSmallFile(IntPtr connId, string filePath, byte[] head, byte[] tail)
{
IntPtr pHead = IntPtr.Zero;
IntPtr pTail = IntPtr.Zero;
WSABUF wsaHead = new WSABUF() { Length = 0, Buffer = pHead };
WSABUF wsatail = new WSABUF() { Length = 0, Buffer = pTail };
if (head != null)
{
wsaHead.Length = head.Length;
wsaHead.Buffer = Marshal.UnsafeAddrOfPinnedArrayElement(head, 0);
}
if (tail != null)
{
wsaHead.Length = tail.Length;
wsaHead.Buffer = Marshal.UnsafeAddrOfPinnedArrayElement(tail, 0);
}
return SendSmallFile(connId, filePath, ref wsaHead, ref wsatail);
}
/// <summary>
/// 名称:发送小文件
/// 描述:向指定连接发送 4096 KB 以下的小文件
/// </summary>
/// <param name="connId"></param>
/// <param name="filePath">文件路径</param>
/// <param name="head">头部附加数据,可以为null</param>
/// <param name="tail">尾部附加数据,可以为null</param>
/// <returns>TRUE.成功,FALSE.失败,可通过 SYSGetLastError() 获取 Windows 错误代码</returns>
public bool SendSmallFile<T1, T2>(IntPtr connId, string filePath, T1 head, T2 tail)
{
byte[] headBuffer = null;
if (head != null)
{
headBuffer = StructureToByte<T1>(head);
}
byte[] tailBuffer = null;
if (tail != null)
{
tailBuffer = StructureToByte<T2>(tail);
}
return SendSmallFile(connId, filePath, headBuffer, tailBuffer);
}
/// <summary>
/// 断开与某个客户的连接
/// </summary>
/// <param name="connId"></param>
/// <param name="force">是否强制断开</param>
/// <returns></returns>
public bool Disconnect(IntPtr connId, bool force = true)
{
return Sdk.HP_Server_Disconnect(pServer, connId, force);
}
/// <summary>
/// 断开超过指定时间的连接
/// </summary>
/// <param name="period">毫秒</param>
/// <param name="force">强制</param>
/// <returns></returns>
public bool DisconnectLongConnections(uint period, bool force = true)
{
return Sdk.HP_Server_DisconnectLongConnections(pServer, period, force);
}
/// <summary>
/// 暂停接收
/// </summary>
/// <param name="connId"></param>
/// <returns></returns>
public bool PauseReceive(IntPtr connId)
{
return Sdk.HP_Server_PauseReceive(pServer, connId, true);
}
/// <summary>
/// 唤醒接收
/// </summary>
/// <param name="connId"></param>
/// <returns></returns>
public bool ResumeReceive(IntPtr connId)
{
return Sdk.HP_Server_PauseReceive(pServer, connId, false);
}
/// <summary>
/// 获取连接的接收状态
/// </summary>
/// <param name="connId"></param>
/// <returns></returns>
public ReceiveState GetReceiveState(IntPtr connId)
{
int state = -1;
if (Sdk.HP_Server_IsPauseReceive(pServer, connId, ref state))
{
return (ReceiveState)state;
}
return ReceiveState.Unknown;
}
/// <summary>
/// 断开超过指定时长的静默连接
/// </summary>
/// <param name="period">毫秒</param>
/// <param name="force">强制</param>
/// <returns></returns>
public bool DisconnectSilenceConnections(uint period, bool force = true)
{
return Sdk.HP_Server_DisconnectSilenceConnections(pServer, period, force);
}
/// <summary>
/// 获取某个连接的本地地址信息
/// </summary>
/// <param name="connId"></param>
/// <param name="ip"></param>
/// <param name="port"></param>
/// <returns></returns>
public bool GetLocalAddress(IntPtr connId, ref string ip, ref ushort port)
{
int ipLength = 40;
StringBuilder sb = new StringBuilder(ipLength);
bool ret = Sdk.HP_Server_GetLocalAddress(pServer, connId, sb, ref ipLength, ref port) && ipLength > 0;
if (ret == true)
{
ip = sb.ToString();
}
return ret;
}
/// <summary>
/// 获取某个连接的远程地址信息
/// </summary>
/// <param name="connId"></param>
/// <param name="ip"></param>
/// <param name="port"></param>
/// <returns></returns>
public bool GetRemoteAddress(IntPtr connId, ref string ip, ref ushort port)
{
int ipLength = 40;
StringBuilder sb = new StringBuilder(ipLength);
bool ret = Sdk.HP_Server_GetRemoteAddress(pServer, connId, sb, ref ipLength, ref port) && ipLength > 0;
if (ret == true)
{
ip = sb.ToString();
}
return ret;
}
/// <summary>
/// 获取连接中未发出数据的长度
/// </summary>
/// <param name="connId"></param>
/// <param name="length"></param>
/// <returns></returns>
public bool GetPendingDataLength(IntPtr connId, ref int length)
{
return Sdk.HP_Server_GetPendingDataLength(pServer, connId, ref length);
}
// 是否启动
public bool IsStarted
{
get
{
if (pServer == IntPtr.Zero)
{
return false;
}
return Sdk.HP_Server_HasStarted(pServer);
}
}
/// <summary>
/// 状态
/// </summary>
public ServiceState State
{
get
{
return Sdk.HP_Server_GetState(pServer);
}
}
/// <summary>
/// 连接数
/// </summary>
public uint ConnectionCount
{
get
{
return Sdk.HP_Server_GetConnectionCount(pServer);
}
}
/// <summary>
/// 检测是否为安全连接SSL/HTTPS
/// </summary>
public bool IsSecure
{
get
{
return Sdk.HP_Server_IsSecure(pServer);
}
}
/// <summary>
/// 获取所有连接,未获取到连接返回null
/// </summary>
/// <returns></returns>
public IntPtr[] GetAllConnectionIDs()
{
IntPtr[] arr = null;
do
{
uint count = ConnectionCount;
if (count == 0)
{
break;
}
arr = new IntPtr[count];
if (Sdk.HP_Server_GetAllConnectionIDs(pServer, arr, ref count))
{
if (arr.Length > count)
{
IntPtr[] newArr = new IntPtr[count];
Array.Copy(arr, newArr, count);
arr = newArr;
}
break;
}
} while (true);
return arr;
}
/// <summary>
/// 获取监听socket的地址信息
/// </summary>
/// <param name="ip"></param>
/// <param name="port"></param>
/// <returns></returns>
public bool GetListenAddress(ref string ip, ref ushort port)
{
int ipLength = 40;
StringBuilder sb = new StringBuilder(ipLength);
bool ret = Sdk.HP_Server_GetListenAddress(pServer, sb, ref ipLength, ref port);
if (ret == true)
{
ip = sb.ToString();
}
return ret;
}
/// <summary>
/// 获取指定连接的连接时长(毫秒)
/// </summary>
/// <param name="connId"></param>
/// <param name="period"></param>
/// <returns></returns>
public bool GetConnectPeriod(IntPtr connId, ref uint period)
{
return Sdk.HP_Server_GetConnectPeriod(pServer, connId, ref period);
}
/// <summary>
/// 获取某个连接静默时间(毫秒)
/// </summary>
/// <param name="connId"></param>
/// <param name="period"></param>
/// <returns></returns>
public bool GetSilencePeriod(IntPtr connId, ref uint period)
{
return Sdk.HP_Server_GetSilencePeriod(pServer, connId, ref period);
}
///////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// 设置最大连接数(组件会根据设置值预分配内存,因此需要根据实际情况设置,不宜过大)
/// </summary>
public uint MaxConnectionCount
{
get
{
return Sdk.HP_Server_GetMaxConnectionCount(pServer);
}
set
{
Sdk.HP_Server_SetMaxConnectionCount(pServer, value);
}
}
/// <summary>
/// 读取或设置工作线程数量(通常设置为 2 * CPU + 2
/// </summary>
public uint WorkerThreadCount
{
get
{
return Sdk.HP_Server_GetWorkerThreadCount(pServer);
}
set
{
Sdk.HP_Server_SetWorkerThreadCount(pServer, value);
}
}
/// <summary>
/// 读取或设置 Accept 预投递数量根据负载调整设置Accept 预投递数量越大则支持的并发连接请求越多)
/// </summary>
public uint AcceptSocketCount
{
get
{
return Sdk.HP_TcpServer_GetAcceptSocketCount(pServer);
}
set
{
Sdk.HP_TcpServer_SetAcceptSocketCount(pServer, value);
}
}
/// <summary>
/// 读取或设置通信数据缓冲区大小(根据平均通信数据包大小调整设置,通常设置为 1024 的倍数)
/// </summary>
public uint SocketBufferSize
{
get
{
return Sdk.HP_TcpServer_GetSocketBufferSize(pServer);
}
set
{
Sdk.HP_TcpServer_SetSocketBufferSize(pServer, value);
}
}
/// <summary>
/// 读取或设置监听 Socket 的等候队列大小(根据并发连接数量调整设置)
/// </summary>
public uint SocketListenQueue
{
get
{
return Sdk.HP_TcpServer_GetSocketListenQueue(pServer);
}
set
{
Sdk.HP_TcpServer_SetSocketListenQueue(pServer, value);
}
}
/// <summary>
/// 读取或设置 Socket 缓存对象锁定时间(毫秒,在锁定期间该 Socket 缓存对象不能被获取使用)
/// </summary>
public uint FreeSocketObjLockTime
{
get
{
return Sdk.HP_Server_GetFreeSocketObjLockTime(pServer);
}
set
{
Sdk.HP_Server_SetFreeSocketObjLockTime(pServer, value);
}
}
/// <summary>
/// 读取或设置 Socket 缓存池大小(通常设置为平均并发连接数量的 1/3 - 1/2
/// </summary>
public uint FreeSocketObjPool
{
get
{
return Sdk.HP_Server_GetFreeSocketObjPool(pServer);
}
set
{
Sdk.HP_Server_SetFreeSocketObjPool(pServer, value);
}
}
/// <summary>
/// 读取或设置内存块缓存池大小(通常设置为 Socket 缓存池大小的 2 - 3 倍)
/// </summary>
public uint FreeBufferObjPool
{
get
{
return Sdk.HP_Server_GetFreeBufferObjPool(pServer);
}
set
{
Sdk.HP_Server_SetFreeBufferObjPool(pServer, value);
}
}
/// <summary>
/// 读取或设置内存块缓存池大小(通常设置为 Socket 缓存池大小的 2 - 3 倍)
/// </summary>
public uint FreeSocketObjHold
{
get
{
return Sdk.HP_Server_GetFreeSocketObjHold(pServer);
}
set
{
Sdk.HP_Server_SetFreeSocketObjHold(pServer, value);
}
}
/// <summary>
/// 读取或设置内存块缓存池回收阀值(通常设置为内存块缓存池大小的 3 倍)
/// </summary>
public uint FreeBufferObjHold
{
get
{
return Sdk.HP_Server_GetFreeBufferObjHold(pServer);
}
set
{
Sdk.HP_Server_SetFreeBufferObjHold(pServer, value);
}
}
/// <summary>
/// 读取或设置心跳包间隔毫秒0 则不发送心跳包)
/// </summary>
public uint KeepAliveTime
{
get
{
return Sdk.HP_TcpServer_GetKeepAliveTime(pServer);
}
set
{
Sdk.HP_TcpServer_SetKeepAliveTime(pServer, value);
}
}
/// <summary>
/// 读取或设置心跳确认包检测间隔毫秒0 不发送心跳包,如果超过若干次 [默认WinXP 5 次, Win7 10 次] 检测不到心跳确认包则认为已断线)
/// </summary>
public uint KeepAliveInterval
{
get
{
return Sdk.HP_TcpServer_GetKeepAliveInterval(pServer);
}
set
{
Sdk.HP_TcpServer_SetKeepAliveInterval(pServer, value);
}
}
/// <summary>
/// 读取或设置是否标记静默时间(设置为 TRUE 时 DisconnectSilenceConnections() 和 GetSilencePeriod() 才有效默认FALSE
/// </summary>
public bool MarkSilence
{
get
{
return Sdk.HP_Server_IsMarkSilence(pServer);
}
set
{
Sdk.HP_Server_SetMarkSilence(pServer, value);
}
}
/// <summary>
/// 获取或设置数据发送策略
/// </summary>
public SendPolicy SendPolicy
{
get
{
return Sdk.HP_Server_GetSendPolicy(pServer);
}
set
{
Sdk.HP_Server_SetSendPolicy(pServer, value);
}
}
/// <summary>
/// 获取或设置 OnSend 事件同步策略
/// </summary>
public OnSendSyncPolicy OnSendSyncPolicy
{
get
{
return Sdk.HP_Server_GetOnSendSyncPolicy(pServer);
}
set
{
Sdk.HP_Server_SetOnSendSyncPolicy(pServer, value);
}
}
///////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// 获取系统返回的错误码
/// </summary>
public int SYSGetLastError()
{
return Sdk.SYS_GetLastError();
}
/// <summary>
/// 调用系统的 ::WSAGetLastError() 方法获取通信错误代码
/// </summary>
public int SYSWSAGetLastError()
{
return Sdk.SYS_WSAGetLastError();
}
/// <summary>
/// 获取错误码
/// </summary>
public SocketError ErrorCode
{
get
{
return Sdk.HP_Server_GetLastError(pServer);
}
}
/// <summary>
/// 版本号
/// </summary>
public string Version
{
get
{
return Sdk.GetHPSocketVersion();
}
}
/// <summary>
/// 获取错误信息
/// </summary>
public string ErrorMessage
{
get
{
IntPtr ptr = Sdk.HP_Server_GetLastErrorDesc(pServer);
string desc = Marshal.PtrToStringAnsi(ptr);
return desc;
}
}
///////////////////////////////////////////////////////////////////////////////////////
protected Sdk.OnPrepareListen _OnPrepareListen = null;
protected Sdk.OnAccept _OnAccept = null;
protected Sdk.OnReceive _OnReceive = null;
protected Sdk.OnSend _OnSend = null;
protected Sdk.OnClose _OnClose = null;
protected Sdk.OnShutdown _OnShutdown = null;
protected Sdk.OnHandShake _OnHandShake = null;
protected virtual void SetCallback()
{
_OnPrepareListen = new Sdk.OnPrepareListen(SDK_OnPrepareListen);
_OnAccept = new Sdk.OnAccept(SDK_OnAccept);
_OnSend = new Sdk.OnSend(SDK_OnSend);
_OnReceive = new Sdk.OnReceive(SDK_OnReceive);
_OnClose = new Sdk.OnClose(SDK_OnClose);
_OnShutdown = new Sdk.OnShutdown(SDK_OnShutdown);
_OnHandShake = new Sdk.OnHandShake(SDK_OnHandShake);
Sdk.HP_Set_FN_Server_OnPrepareListen(pListener, _OnPrepareListen);
Sdk.HP_Set_FN_Server_OnAccept(pListener, _OnAccept);
Sdk.HP_Set_FN_Server_OnSend(pListener, _OnSend);
Sdk.HP_Set_FN_Server_OnReceive(pListener, _OnReceive);
Sdk.HP_Set_FN_Server_OnClose(pListener, _OnClose);
Sdk.HP_Set_FN_Server_OnShutdown(pListener, _OnShutdown);
Sdk.HP_Set_FN_Server_OnHandShake(pListener, _OnHandShake);
}
protected HandleResult SDK_OnHandShake(IntPtr pSender, IntPtr connId)
{
if (OnHandShake != null)
{
return OnHandShake(this, connId);
}
return HandleResult.Ignore;
}
protected HandleResult SDK_OnPrepareListen(IntPtr pSender, IntPtr soListen)
{
if (OnPrepareListen != null)
{
return OnPrepareListen(this, soListen);
}
return HandleResult.Ignore;
}
protected HandleResult SDK_OnAccept(IntPtr pSender, IntPtr connId, IntPtr pClient)
{
if (OnAccept != null)
{
return OnAccept(this, connId, pClient);
}
return HandleResult.Ignore;
}
protected HandleResult SDK_OnSend(IntPtr pSender, IntPtr connId, IntPtr pData, int length)
{
if (OnSend != null)
{
byte[] bytes = new byte[length];
Marshal.Copy(pData, bytes, 0, length);
return OnSend(this, connId, bytes);
}
return HandleResult.Ignore;
}
protected HandleResult SDK_OnReceive(IntPtr pSender, IntPtr connId, IntPtr pData, int length)
{
if (OnPointerDataReceive != null)
{
return OnPointerDataReceive(this, connId, pData, length);
}
else if (OnReceive != null)
{
byte[] bytes = new byte[length];
Marshal.Copy(pData, bytes, 0, length);
return OnReceive(this, connId, bytes);
}
return HandleResult.Ignore;
}
protected HandleResult SDK_OnClose(IntPtr pSender, IntPtr connId, SocketOperation enOperation, int errorCode)
{
if (OnClose != null)
{
return OnClose(this, connId, enOperation, errorCode);
}
return HandleResult.Ignore;
}
protected HandleResult SDK_OnShutdown(IntPtr pSender)
{
if (OnShutdown != null)
{
return OnShutdown(this);
}
return HandleResult.Ignore;
}
/////////////////////////////////////////////////////////////////////////
/// <summary>
/// 根据错误码返回错误信息
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public string GetSocketErrorDesc(SocketError code)
{
IntPtr ptr = Sdk.HP_GetSocketErrorDesc(code);
string desc = Marshal.PtrToStringAnsi(ptr);
return desc;
}
/// <summary>
/// 调用系统的 setsockopt()
/// </summary>
/// <param name="sock"></param>
/// <param name="level"></param>
/// <param name="name"></param>
/// <param name="val"></param>
/// <param name="len"></param>
/// <returns></returns>
///
public int SYS_SetSocketOption(IntPtr sock, int level, int name, IntPtr val, int len)
{
return Sdk.SYS_SetSocketOption(sock, level, name, val, len);
}
/// <summary>
/// 调用系统的 getsockopt()
/// </summary>
/// <param name="sock"></param>
/// <param name="level"></param>
/// <param name="name"></param>
/// <param name="val"></param>
/// <param name="len"></param>
/// <returns></returns>
///
public int SYSGetSocketOption(IntPtr sock, int level, int name, IntPtr val, ref int len)
{
return Sdk.SYS_GetSocketOption(sock, level, name, val, ref len);
}
/// <summary>
/// 调用系统的 ioctlsocket()
/// </summary>
/// <param name="sock"></param>
/// <param name="cmd"></param>
/// <param name="arg"></param>
/// <returns></returns>
///
public int SYSIoctlSocket(IntPtr sock, long cmd, IntPtr arg)
{
return Sdk.SYS_IoctlSocket(sock, cmd, arg);
}
/// <summary>
/// 调用系统的 ::WSAIoctl()
/// </summary>
/// <param name="sock"></param>
/// <param name="dwIoControlCode"></param>
/// <param name="lpvInBuffer"></param>
/// <param name="cbInBuffer"></param>
/// <param name="lpvOutBuffer"></param>
/// <param name="cbOutBuffer"></param>
/// <param name="lpcbBytesReturned"></param>
/// <returns></returns>
public int SYS_WSAIoctl(IntPtr sock, uint dwIoControlCode, IntPtr lpvInBuffer, uint cbInBuffer,
IntPtr lpvOutBuffer, uint cbOutBuffer, uint lpcbBytesReturned)
{
return Sdk.SYS_WSAIoctl(sock, dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer, lpcbBytesReturned);
}
/// <summary>
/// 由结构体转换为byte数组
/// </summary>
public byte[] StructureToByte<T>(T structure)
{
int size = Marshal.SizeOf(typeof(T));
byte[] buffer = new byte[size];
IntPtr bufferIntPtr = Marshal.AllocHGlobal(size);
try
{
Marshal.StructureToPtr(structure, bufferIntPtr, true);
Marshal.Copy(bufferIntPtr, buffer, 0, size);
}
finally
{
Marshal.FreeHGlobal(bufferIntPtr);
}
return buffer;
}
/// <summary>
/// 由byte数组转换为结构体
/// </summary>
public T ByteToStructure<T>(byte[] dataBuffer)
{
object structure = null;
int size = Marshal.SizeOf(typeof(T));
IntPtr allocIntPtr = Marshal.AllocHGlobal(size);
try
{
Marshal.Copy(dataBuffer, 0, allocIntPtr, size);
structure = Marshal.PtrToStructure(allocIntPtr, typeof(T));
}
finally
{
Marshal.FreeHGlobal(allocIntPtr);
}
return (T)structure;
}
/// <summary>
/// 对象序列化成byte[]
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public byte[] ObjectToBytes(object obj)
{
using (MemoryStream ms = new MemoryStream())
{
IFormatter formatter = new BinaryFormatter();
formatter.Serialize(ms, obj);
return ms.GetBuffer();
}
}
/// <summary>
/// byte[]序列化成对象
/// </summary>
/// <param name="Bytes"></param>
/// <returns></returns>
public object BytesToObject(byte[] bytes)
{
using (MemoryStream ms = new MemoryStream(bytes))
{
IFormatter formatter = new BinaryFormatter();
return formatter.Deserialize(ms);
}
}
/// <summary>
/// byte[]转结构体
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="bytes"></param>
/// <returns></returns>
public T BytesToStruct<T>(byte[] bytes)
{
Type strcutType = typeof(T);
int size = Marshal.SizeOf(strcutType);
IntPtr buffer = Marshal.AllocHGlobal(size);
try
{
Marshal.Copy(bytes, 0, buffer, size);
return (T)Marshal.PtrToStructure(buffer, strcutType);
}
finally
{
Marshal.FreeHGlobal(buffer);
}
}
}
}