list.h~

本代码是基于LINUX系统下的

#ifndef _LIST_H_
#define _LIST_H_
#include "iostream"
using namespace std;
#include "User.h"

class List
{
   private:
	   UserBase * pUser;
	   List * next;
   public:
	   List():pUser(NULL),next(NULL){}
	   ~List(){}
	   List * getNext(){return next;}
         UserBase * getPuser(){return pUser;}
	   void setNext(List * pList){next=pList;}
	   void setPuser(UserBase * pUserBase){pUser=pUserBase;}
	   //在当前节点插入新的节点；
	   int insert_List_Node(List * pList);
	   //以当前节点为头节点，删除其所在链表内用户名为username的节点；
	   int delete_List_Node(char * UserId);
	   //查找用户名为username的节点；
	   List * find_List_Node(char * UserId);
};

void saveUser(List * head);
void saveUserBase(int UserId,List * head);
List * readUser();
List * readUserBase(int UserId);
void delete_List(List * head);
List * find_User_In(List * head,int UserId,char * PassWord);
List * insert_User_Node(List * User_head,int UserId,char * UserName,char * PassWord);
int delete_User_Node(List * User_head,int UserId,char * PassWord);
char * get_User_name(List * User_head,int UserId);
List * find_Online_In(List * Online_head,int UserId);
List * insert_Online_Node(List * Online_head,int UserId,int sockfd);
int get_Sockfd(List * Online_head,int UserId);
int delete_Online_Node(List * Online_head,int UserId);
int find_Contact_In(int UserId_m,int UserId);
void insert_Contact_Node(int UserId_m,int UserId,char * UserName="");
int delete_Contact_Node(int UserId_m,int UserId);
int change_User_PassWord(List * User_head,int UserId,char * OldPassWord,char * NewPassWord);
int get_List_longth(List * head);
char * get_Contact_List(List * Online_head,int UserId_m);
int get_Last_UserId(List * User_head);
#endif