/*
 * fd_manager.cpp
 *
 *  Created on: Sep 25, 2017
 *      Author: root
 */

#include "fd_manager.h"
int fd_manager_t::fd_exist(int fd) {
    return fd_to_fd64_mp.find(fd) != fd_to_fd64_mp.end();
}
int fd_manager_t::exist(fd64_t fd64) {
    return fd64_to_fd_mp.find(fd64) != fd64_to_fd_mp.end();
}
int fd_manager_t::to_fd(fd64_t fd64) {
    assert(exist(fd64));
    return fd64_to_fd_mp[fd64];
}
void fd_manager_t::fd64_close(fd64_t fd64) {
    assert(exist(fd64));
    int fd = fd64_to_fd_mp[fd64];
    fd64_to_fd_mp.erase(fd64);
    fd_to_fd64_mp.erase(fd);
    if (exist_info(fd64)) {
        fd_info_mp.erase(fd64);
    }
    // assert(close(fd)==0);
    sock_close(fd);
}
void fd_manager_t::reserve(int n) {
    fd_to_fd64_mp.reserve(n);
    fd64_to_fd_mp.reserve(n);
    fd_info_mp.reserve(n);
}
u64_t fd_manager_t::create(int fd) {
    assert(!fd_exist(fd));
    fd64_t fd64 = counter++;
    fd_to_fd64_mp[fd] = fd64;
    fd64_to_fd_mp[fd64] = fd;
    return fd64;
}
fd_manager_t::fd_manager_t() {
    counter = u32_t(-1);
    counter += 100;
    reserve(10007);
}
fd_info_t& fd_manager_t::get_info(fd64_t fd64) {
    assert(exist(fd64));
    return fd_info_mp[fd64];
}
int fd_manager_t::exist_info(fd64_t fd64) {
    return fd_info_mp.find(fd64) != fd_info_mp.end();
}