/*
 * ----------------------------------------------------------------
 * Night Light IRC Proxy - Listen Header
 * ----------------------------------------------------------------
 * Copyright (C) 1997-2007 Jonas Kvinge <jonas@night-light.net>
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Last modified by:
 * Jonas Kvinge (24.11.2007)
 *
 */

#ifdef LISTEN_H
#warning "listen.h already included."
#else
#define LISTEN_H

struct in_addr;
#if IPV6_SUPPORT
struct in6_addr;
#endif

/* DEFINES - JONAS (18.07.2001) */

#define LISTEN_INTERVAL				60
#define LISTEN_SOCKKEEPALIVE			TRUE
#define LISTEN_SOCKREUSEADDR			TRUE


/* BIT MASKS - JONAS (18.07.2001) */

#define LISTEN_BITMASK_IPV6			2
#define LISTEN_BITMASK_SSL			4
#define LISTEN_BITMASK_REMOVE			8

#define LISTEN_BITMASK_RESOLVING		2
#define LISTEN_BITMASK_RESOLVED			4
#define LISTEN_BITMASK_SOCKET			8
#define LISTEN_BITMASK_LISTENING		16


/* MACROS - JONAS (18.07.2001) */

#define Listen_SetIPv6(x)			((x)->PermFlags |= LISTEN_BITMASK_IPV6)
#define Listen_SetSSL(x)			((x)->PermFlags |= LISTEN_BITMASK_SSL)
#define Listen_SetRemove(x)			((x)->PermFlags |= LISTEN_BITMASK_REMOVE)

#define Listen_ClearIPv6(x)			((x)->PermFlags &= ~LISTEN_BITMASK_IPV6)
#define Listen_ClearSSL(x)			((x)->PermFlags &= ~LISTEN_BITMASK_SSL)
#define Listen_ClearRemove(x)			((x)->PermFlags &= ~LISTEN_BITMASK_REMOVE)

#define Listen_IsIPv6(x)			((x)->PermFlags & LISTEN_BITMASK_IPV6)
#define Listen_IsSSL(x)				((x)->PermFlags & LISTEN_BITMASK_SSL)
#define Listen_IsRemove(x)			((x)->PermFlags & LISTEN_BITMASK_REMOVE)

#define Listen_SetResolving(x)			((x)->Flags |= LISTEN_BITMASK_RESOLVING)
#define Listen_SetResolved(x)			((x)->Flags |= LISTEN_BITMASK_RESOLVED)
#define Listen_SetSocket(x)			((x)->Flags |= LISTEN_BITMASK_SOCKET)
#define Listen_SetListening(x)			((x)->Flags |= LISTEN_BITMASK_LISTENING)

#define Listen_ClearResolving(x)		((x)->Flags &= ~LISTEN_BITMASK_RESOLVING)
#define Listen_ClearResolved(x)			((x)->Flags &= ~LISTEN_BITMASK_RESOLVED)
#define Listen_ClearSocket(x)			((x)->Flags &= ~LISTEN_BITMASK_SOCKET)
#define Listen_ClearListening(x)		((x)->Flags &= ~LISTEN_BITMASK_LISTENING)

#define Listen_IsResolving(x)			((x)->Flags & LISTEN_BITMASK_RESOLVING)
#define Listen_IsResolved(x)			((x)->Flags & LISTEN_BITMASK_RESOLVED)
#define Listen_IsSocket(x)			((x)->Flags & LISTEN_BITMASK_SOCKET)
#define Listen_IsListening(x)			((x)->Flags & LISTEN_BITMASK_LISTENING)

/* STRUCTURES - JONAS (18.07.2001) */

struct Listen_Struct {

  char *Host;

  unsigned long int PermFlags;
  unsigned long int Flags;

  char *HostIPS;

  struct in_addr INAddr;
#if IPV6_SUPPORT
  struct in6_addr INAddr6;
#endif

  unsigned long int PortH;
  unsigned long int PortN;

  signed long int FD;

  time_t Time;
  unsigned short int Tries;

  struct Listen_Struct *Prev;
  struct Listen_Struct *Next;

};

/* FUNCTION PROTOTYPES - JONAS (18.07.2001) */

struct Listen_Struct *listen_add(const char *const HostPT, const unsigned long int Port);
void listen_rem(struct Listen_Struct *ListenS);
void listen_init(struct Listen_Struct *ListenS);
struct Listen_Struct *listen_get(const char *const HostPT, const unsigned long int Port);

#endif