tcpclient.h

该程序可以发送邮件。在一个文件中指定邮件的服务器IP地址和发件人的邮箱以及密码。

/**
 * Written by Chen Yunfei, 10617136
 * This is a class header to pack the procedure of the client use with TCP protocol
 * You can improve it to work for you
 */

#ifndef _TCPCLIENT_H
#define _TCPCLIENT_H

#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<netdb.h>
#include"XHeader.h"
#define PORT 1500
#define HOSTNAME "127.0.0.1"
#define MAX_SIZE 8192

class TcpClient{

private:
 int Socket_descriptor;
 int Port;
 struct sockaddr_in Pin;
 struct hostent *Server_host_name;
 char Buf[BUFSIZE];

public:
 TcpClient();                         //construct the TcpClient
 TcpClient(int port);                 //construct the TcpClient with port
 TcpClient(char* hostname,int port);  //construct the TcpClient with IP and port
 int InitTcpClient();                 //init it, in fact, the Socket_descriptor
 int Connect();                       //try to connect the server
 int Send(T* buf);                    //send Msg with Socket_descriptor
 int Recv(T* buf);                    //receive Msg with Socket_descriptor
 int Recvc(T* ch);
 void Close();                        //close the Socket_descriptor

 int getSockfd() const;               //get the value of the Socket_descriptor
 int getPort() const;                 //get the port to connect

};

#endif