#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <poll.h>
#include <netinet/in.h>
#include <sys/socket.h>

#include "librez.h"
#include "resource.h"

static void	librez_resource_zero(t_rez *d_rez)
{
  int		i;

  memset(d_rez->buffer, '\0', d_rez->dts * sizeof(void *[4]));
  memset(d_rez->p_tokens_warn, '\0', 2 * sizeof(t_tokens_func *));
  memset(d_rez->buffsize, '\0', 2 * sizeof(int));
  for (i = 0; i < d_rez->dts; ++i)
    d_rez->tl_rezid_2_ifds[i] = -1;
}

void	librez_resource_init(t_rez *d_rez)
{
  d_rez->dts = getdtablesize();
  d_rez->tsa = malloc(d_rez->dts * sizeof(struct sockaddr_in));
  d_rez->fds = malloc(d_rez->dts * sizeof(struct pollfd));
  d_rez->timeout = INFTIM;
  d_rez->nfds = 0;
  d_rez->cfds = 0;
  d_rez->f_poll = malloc(d_rez->dts * sizeof(f_poll_func *[4]));
  d_rez->notify = malloc(d_rez->dts * sizeof(f_poll_func *[5]));
  d_rez->buffer = malloc(d_rez->dts * sizeof(void *[4]));
  d_rez->p_tokens_func = NULL;
  d_rez->tl_ifds_2_rezid = malloc(d_rez->dts * sizeof(t_librez_fd));
  d_rez->tl_rezid_2_ifds = malloc(d_rez->dts * sizeof(int));
  d_rez->ssl = malloc(d_rez->dts * sizeof(SSL *));
  d_rez->ssl_negociation = malloc(d_rez->dts * sizeof(void (*)()));
  d_rez->ssl_saved_events = malloc(d_rez->dts * sizeof(void (*)()));
  d_rez->buffer_size = malloc(d_rez->dts * sizeof(int [2]));
  signal(SIGPIPE, SIG_IGN);
  librez_resource_zero(d_rez);
  signal(SIGQUIT, (void *)librez_debug_status);
  librez_debug_status(d_rez);
}

void	librez_resource_exit(t_rez *d_rez)
{
  free(d_rez->buffer_size);
  free(d_rez->ssl_saved_events);
  free(d_rez->ssl_negociation);
  free(d_rez->ssl);
  free(d_rez->tl_ifds_2_rezid);
  free(d_rez->tl_rezid_2_ifds);
  free(d_rez->buffer);
  free(d_rez->f_poll);
  free(d_rez->tsa);
  free(d_rez->fds);
  signal(SIGPIPE, SIG_DFL);
}