wangyu-UDPspeeder/fd_manager.h
2017-09-25 10:39:05 -05:00

34 lines
684 B
C

/*
* fd_manager.h
*
* Created on: Sep 25, 2017
* Author: root
*/
#ifndef FD_MANAGER_H_
#define FD_MANAGER_H_
#include "common.h"
typedef u64_t fd64_t;
struct fd_manager_t //conver fd to a uniq 64bit number,avoid fd value conflict caused by close and re-create
//not used currently
{
u64_t counter;
unordered_map<int,u64_t> fd_to_fd64_mp;
unordered_map<u64_t,int> fd64_to_fd_mp;
int fd_exist(int fd);
int fd64_exist(fd64_t fd64);
fd64_t fd_to_fd64(int fd);
int fd64_to_fd(fd64_t);
void remove_fd(int fd);
void remove_fd64(fd64_t fd64);
void reserve();
u64_t insert_fd(int fd);
fd_manager_t();
};
extern fd_manager_t fd_manager;
#endif /* FD_MANAGER_H_ */