session.cpp

本代码是基于LINUX系统下的

#include "session.h"

bool Session::addUser( int id,char *name,int Sockfd)
   {
        User *p=NULL;

		  if((p = new User)!=NULL)
		  {


	     sprintf(p->UserId,"%d",id);
	     p->Sockfd=Sockfd;
		 strcpy(p->UserName,name);
	     p->next=head->next;
	     head->next=p;
		  Count++;
		  return 1;
		  }
		  else return 0;
}


bool Session::deleteUser(int id)
{

  User *p=head->next,*q=head;


  while(p)
  {
     
	  if(id==atoi(p->UserId)) 
	 {
		 q->next=p->next;
		 delete p;
		 Count--;
		 return 1;
	 }

	 q=p;
	 p=p->next;
	 

}
return 0;
}
bool Session::deleteid(int socketid)
{
	User * p = head->next;
	User * q = head; 
	
	while(p)
	{
		if(socketid == p->Sockfd)
		{
			q->next = p->next;
			delete p;
			p = NULL;
			Count--;
			return 1;
		}
		q = p;
		p = p->next;
	}
	return 0;
}

void Session::getSockfd(int *sockfd)

{      int i=0;
        User *p=head->next;
      while(p)
	  {
         
		  
			  sockfd[i]=p->Sockfd;   
			  
			  i++;
		  

		  p=p->next;
	  }
}


char* Session::getUser()
{
	char *string=new char[31*Count];

	 int i=0;
        User *p=head->next;
      while(p)
	  {
          strcpy(string+i*31,p->UserName);
		  strcpy(string+i*31+15,p->UserId);
          
		  i++;
		

		  p=p->next;
	  }
  
	  return string;
}
Session * SessionList::findSession(int id)
{
   
   SessionList *p=this->next;

   while(p)
   {
	   
	   
	     if(p->Slist->SessionId==id)
		   return p->Slist;
              
           p=p->next;


	}
	 
  


   return NULL;
}



bool SessionList::addSession(Session *session)
{
     SessionList *p;
	if(p=new SessionList)
	{
    
	p->Slist=session;
	p->next=this->next;

   
    this->next=p;
     return 1;
	}
	else return 0;

   
}

bool SessionList::deleteSession(int id)
{
     SessionList *p=this,*q=next;
	 while(q)
	 {
		 if(q->Slist->SessionId==id)
		 {
			 p->next=q->next;
			 q->next=NULL;
			 delete q;
		    return 1;
		 }
		 else {
			  p=q;
			  q=q->next;
		 }
	 }
	 return 0;
}