path: root/camel/camel-net-utils.h

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 * 
 * Authors: Michael Zucchi <notzed@ximian.com>
 *      Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 2004 Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of version 2 of the GNU General Public 
 * License as published by the Free Software Foundation.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#ifndef CAMEL_NET_UTILS_H
#define CAMEL_NET_UTILS_H 1

#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus */

#include <netdb.h>

struct _CamelException;

#ifdef NEED_ADDRINFO
/* Some of this is copied from GNU's netdb.h

  Copyright (C) 1996-2002, 2003, 2004 Free Software Foundation, Inc.
  This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
*/
struct addrinfo {
    int ai_flags;
    int ai_family;
    int ai_socktype;
    int ai_protocol;
    size_t ai_addrlen;
    struct sockaddr *ai_addr;
    char *ai_canonname;
    struct addrinfo *ai_next;
};

#define AI_CANONNAME    0x0002  /* Request for canonical name.  */
#define AI_NUMERICHOST  0x0004  /* Don't use name resolution.  */

/* Error values for `getaddrinfo' function.  */
#define EAI_BADFLAGS      -1    /* Invalid value for `ai_flags' field.  */
#define EAI_NONAME    -2    /* NAME or SERVICE is unknown.  */
#define EAI_AGAIN     -3    /* Temporary failure in name resolution.  */
#define EAI_FAIL      -4    /* Non-recoverable failure in name res.  */
#define EAI_NODATA    -5    /* No address associated with NAME.  */
#define EAI_FAMILY    -6    /* `ai_family' not supported.  */
#define EAI_SOCKTYPE      -7    /* `ai_socktype' not supported.  */
#define EAI_SERVICE   -8    /* SERVICE not supported for `ai_socktype'.  */
#define EAI_ADDRFAMILY    -9    /* Address family for NAME not supported.  */
#define EAI_MEMORY    -10   /* Memory allocation failure.  */
#define EAI_SYSTEM    -11   /* System error returned in `errno'.  */
#define EAI_OVERFLOW      -12   /* Argument buffer overflow.  */

#define NI_MAXHOST      1025
#define NI_MAXSERV      32

#define NI_NUMERICHOST  1   /* Don't try to look up hostname.  */
#define NI_NUMERICSERV 2    /* Don't convert port number to name.  */
#define NI_NOFQDN   4   /* Only return nodename portion.  */
#define NI_NAMEREQD 8   /* Don't return numeric addresses.  */
#define NI_DGRAM    16  /* Look up UDP service rather than TCP.  */
#endif

struct addrinfo *camel_getaddrinfo(const char *name, const char *service,
                   const struct addrinfo *hints, struct _CamelException *ex);
void camel_freeaddrinfo(struct addrinfo *host);
int camel_getnameinfo(const struct sockaddr *sa, socklen_t salen, char **host, char **serv,
              int flags, struct _CamelException *ex);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* CAMEL_NET_UTILS_H */