/*
 * delay_manager.h
 *
 *  Created on: Sep 15, 2017
 *      Author: root
 */

#ifndef DELAY_MANAGER_H_
#define DELAY_MANAGER_H_

#include "common.h"
#include "packet.h"
#include "log.h"

// enum delay_type_t {none=0,enum_sendto_u64,enum_send_fd,client_to_local,client_to_remote,server_to_local,server_to_remote};

/*
struct fd_ip_port_t
{
        int fd;
        u32_t ip;
        u32_t port;
};
union dest_t
{
        fd_ip_port_t fd_ip_port;
        int fd;
        u64_t u64;
};
*/
/*
struct my_timer_t
{
        int timer_fd;
        fd64_t timer_fd64;
        my_timer_t()
        {
                if ((timer_fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK)) < 0)
                {
                        mylog(log_fatal,"timer_fd create error");
                        myexit(1);
                }
                timer_fd64=fd_manager.create(timer_fd);
        }
        my_timer_t(const my_timer_t &b)
        {
                assert(0==1);
        }
        ~my_timer_t()
        {
                fd_manager.fd64_close(timer_fd64);
        }
        int add_fd_to_epoll(int epoll_fd)
        {
                epoll_event ev;;
                ev.events = EPOLLIN;
                ev.data.u64 = timer_fd;
                int ret = epoll_ctl(epoll_fd, EPOLL_CTL_ADD, timer_fd, &ev);
                if (ret!= 0) {
                        mylog(log_fatal,"add delay_manager.get_timer_fd() error\n");
                        myexit(-1);
                }
                return 0;
        }
        int add_fd64_to_epoll(int epoll_fd)
        {
                epoll_event ev;;
                ev.events = EPOLLIN;
                ev.data.u64 = timer_fd64;
                int ret = epoll_ctl(epoll_fd, EPOLL_CTL_ADD, timer_fd, &ev);
                if (ret!= 0) {
                        mylog(log_fatal,"add delay_manager.get_timer_fd() error\n");
                        myexit(-1);
                }
                return 0;
        }
        int get_timer_fd()
        {
                return timer_fd;
        }
        fd64_t get_timer_fd64()
        {
                return timer_fd64;
        }
        int set_timer_repeat_us(my_time_t my_time)
        {
                itimerspec its;
                memset(&its,0,sizeof(its));
                its.it_interval.tv_sec=my_time/1000000llu;
                its.it_interval.tv_nsec=my_time%1000000llu*1000llu;
                its.it_value.tv_nsec=1; //imidiately
                timerfd_settime(timer_fd,0,&its,0);
                return 0;
        }
        int set_timer_abs_us(my_time_t my_time)
        {
                itimerspec its;
                memset(&its,0,sizeof(its));
                its.it_value.tv_sec=my_time/1000000llu;
                its.it_value.tv_nsec=my_time%1000000llu*1000llu;
                timerfd_settime(timer_fd,TFD_TIMER_ABSTIME,&its,0);
                return 0;
        }
};*/

struct delay_data_t {
    dest_t dest;
    // int left_time;//
    char *data;
    int len;
    int handle();
};

struct delay_manager_t {
    ev_timer timer;
    struct ev_loop *loop = 0;
    void (*cb)(struct ev_loop *loop, struct ev_timer *watcher, int revents) = 0;

    // int timer_fd;
    int capacity;
    multimap<my_time_t, delay_data_t> delay_mp;  // unit us,1 us=0.001ms
    delay_manager_t();
    delay_manager_t(delay_manager_t &b) {
        assert(0 == 1);
    }
    void set_loop_and_cb(struct ev_loop *loop, void (*cb)(struct ev_loop *loop, struct ev_timer *watcher, int revents)) {
        this->loop = loop;
        this->cb = cb;
        ev_init(&timer, cb);
    }
    int set_capacity(int a) {
        capacity = a;
        return 0;
    }
    ~delay_manager_t();
    ev_timer &get_timer();
    int check();
    int add(my_time_t delay, const dest_t &dest, char *data, int len);
};

#endif /* DELAY_MANAGER_H_ */