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using System;
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using System.Text;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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namespace ocean
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{
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public enum EMSocketStatus
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{
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SOCKET_DISCONNECTED = 0, //未连接
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SOCKET_CONNECTED, //已连接
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};
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public class skt
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{
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/****************************************************
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*Function: 初始化socket
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*Intput: NULL
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*Output: NULL
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*Return: 成功返回0，失败返回错误码
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_init", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int init();
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/****************************************************
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*Function: 反初始化socket
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*Intput: NULL
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*Output: NULL
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*Return: NULL
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_deinit", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int deinit();
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/****************************************************
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*Function: 创建一个tcp 客户端,自动连接
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释放对象时,自动关闭socket.
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*Intput: pszip 要连接的服务端ip
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sport 要连接的服务端端口
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local 要绑定的本地ip,不需绑定传NULL即可
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lport 要绑定的本地端口,不使用传0
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*Output: NULL
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*Return: 失败返回INVALID_SKT, 成功返回skt句柄
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*PS： 创建成功后调用skt_status可以查询是否连接ok
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "create_c", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int client(string pszip, ushort sport, string local = null, ushort lport = 0);
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/****************************************************
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*Function: 创建一个tcp 服务端,并自动等待指定客户端连接
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释放对象时,会自动关闭socket.
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*Intput: pszip 要绑定的服务端ip,可以传NULL
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sport 要绑定的服务端端口
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local 指定客户端ip,不指定传NULL即可，即随机IP
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lport 指定客户端port,不指定传NULL即可，即随机port
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*Output: NULL
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*Return: 失败返回INVALID_SKT, 成功返回skt句柄
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*PS： 创建成功后调用get_status可以查询是否连接ok
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "create_s", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int server(string pszip, ushort sport, string local = null, ushort lport = 0);
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/****************************************************
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*Function: 关闭并释放一个skt句柄
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*Intput: skt skt句柄
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*Output: NULL
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*Return: 成功返回0,失败返回错误代码
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_close", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int close(int skt);
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/****************************************************
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*Function: 手动连接skt，设置手动连接模式时，使用此接口连接
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*Intput: skt skt句柄
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*Output: NULL
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*Return: 成功返回0,失败返回错误代码
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_conn", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int connect(int skt);
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/****************************************************
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*Function: 断开一个skt连接，但不关闭句柄，
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*Intput: skt skt句柄
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*Output: NULL
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*Return: 成功返回0,失败返回错误代码
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*PS: 若未设置手动连接，则断开后会自动重连.
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_disconn", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int disconnect(int skt);
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/****************************************************
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*Function: 发送消息函数,适用于客户端/服务端.
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*Intput: skt skt句柄
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pData 要发送的数据
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len 要发送的数据长度
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*Output: NULL
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*Return: 成功返回发送成功的数据长度,失败返回错误代码 不会返回0
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_send", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int send(int skt, string pData, int len);
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/****************************************************
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*Function: 接收消息函数,适用于客户端/服务端.
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*Intput: skt skt句柄
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pData 接收数据缓冲区
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len 能接收的最大数据长度
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timeout 超时,默认无限等待,直到有消息
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或者连接被关闭
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*Output: pData 接收数据缓冲区
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*Return: 成功返回接收到的数据长度,失败返回错误代码,不会返回0
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ps:返回ERR_TIMEOUT表示没有消息可读,函数超时返回
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_recv", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int recv(int skt, StringBuilder pData, int len, uint timeout = 0xFFFFFFFF);
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/****************************************************
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*Function: 查询当前skt状态,适用于客户端/服务端.
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*Intput: skt skt句柄
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*Output: NULL
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*Return: 参考SocketNetStatus
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "skt_status", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int status(int skt);
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/****************************************************
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*Function: 获取一个skt句柄对应的底层socket句柄
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*Intput: skt skt句柄
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*Output: NULL
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*Return: 失败返回INVALID_SKT, 成功返回soket句柄
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*PS: 此句柄可以直接使用sysapi接口调用
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "get_socket", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int socket(int skt);
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/****************************************************
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*Function: 获取一个skt对应的对端ip/port
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*Intput: skt skt句柄
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*Output: lpRemote ip地址指针 可以传NULL
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pusport 端口指针 可以传NULL
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*Return: 成功返回0,失败返回错误代码
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "get_socket", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int addr(int skt,ref string lpRemote, ref ushort pusport);
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/****************************************************
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*Function: 重置skt对应的消息缓冲区.
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*Intput: skt skt句柄
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*Output: NULL
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*Return: 成功返回0,失败返回错误代码
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******************************************************/
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[DllImport(@"skt.dll", EntryPoint = "clear_msg", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
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public static extern int clear(int skt);
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}
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}
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