#ifndef PROCESSES_H
#define PROCESSES_H

#include "common.h"
#include "collection.h"
#include "gap.h"

/* Provided by event loop, sslh-ev or sslh-select, for implementation-dependant
 * data */
typedef struct watchers watchers; 

/* Global state for a loop */
struct loop_info {
    int num_probing;     /* Number of connections currently probing 
                          * We use this to know if we need to time out of
                          * select() */
    gap_array* probing_list;  /* Pointers to cnx that are in probing mode */

    watchers* watchers;

    cnx_collection* collection; /* Collection of connections linked to this loop */

    time_t next_timeout; /* time at which next UDP connection times out */
};

void cnx_read_process(struct loop_info* fd_info, int fd);
void cnx_write_process(struct loop_info* fd_info, int fd);
int cnx_accept_process(struct loop_info* fd_info, struct listen_endpoint* listen_socket);
void probing_read_process(struct connection* cnx, struct loop_info* fd_info);

void remove_probing_cnx(struct loop_info* fd_info, struct connection* cnx);
void add_probing_cnx(struct loop_info* fd_info, struct connection* cnx);
int tidy_connection(struct connection *cnx, struct loop_info* fd_info);


/* These must be declared in the loop handler, sslh-ev or sslh-select */
void watchers_add_read(watchers* w, int fd);
void watchers_del_read(watchers* w, int fd);
void watchers_add_write(watchers* w, int fd);
void watchers_del_write(watchers* w, int fd);
int watchers_maxfd(watchers* w);

#endif