libnice-prebuild/linux_amd64/include/nice/address.h
2019-11-10 14:05:40 +00:00

308 lines
7.2 KiB
C

/*
* This file is part of the Nice GLib ICE library.
*
* (C) 2006-2009 Collabora Ltd.
* Contact: Youness Alaoui
* (C) 2006-2009 Nokia Corporation. All rights reserved.
* Contact: Kai Vehmanen
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Youness Alaoui, Collabora Ltd.
* Dafydd Harries, Collabora Ltd.
* Kai Vehmanen
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifndef __LIBNICE_ADDRESS_H__
#define __LIBNICE_ADDRESS_H__
/**
* SECTION:address
* @short_description: IP address convenience library
* @stability: Stable
*
* The #NiceAddress structure will allow you to easily set/get and modify an IPv4
* or IPv6 address in order to communicate with the #NiceAgent.
*/
#include <glib.h>
#ifdef G_OS_WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
G_BEGIN_DECLS
/**
* NiceAddress:
*
* The #NiceAddress structure that represents an IPv4 or IPv6 address.
*/
struct _NiceAddress
{
union
{
struct sockaddr addr;
struct sockaddr_in ip4;
struct sockaddr_in6 ip6;
} s;
};
/**
* NICE_ADDRESS_STRING_LEN:
*
* The maximum string length representation of an address.
* When using nice_address_to_string() make sure the string has a size of
* at least %NICE_ADDRESS_STRING_LEN
*/
#define NICE_ADDRESS_STRING_LEN INET6_ADDRSTRLEN
typedef struct _NiceAddress NiceAddress;
/**
* nice_address_init:
* @addr: The #NiceAddress to init
*
* Initialize a #NiceAddress into an undefined address
*/
void
nice_address_init (NiceAddress *addr);
/**
* nice_address_new:
*
* Create a new #NiceAddress with undefined address
* You must free it with nice_address_free()
*
* Returns: The new #NiceAddress
*/
NiceAddress *
nice_address_new (void);
/**
* nice_address_free:
* @addr: The #NiceAddress to free
*
* Frees a #NiceAddress created with nice_address_new() or nice_address_dup()
*/
void
nice_address_free (NiceAddress *addr);
/**
* nice_address_dup:
* @addr: The #NiceAddress to dup
*
* Creates a new #NiceAddress with the same address as @addr
*
* Returns: The new #NiceAddress
*/
NiceAddress *
nice_address_dup (const NiceAddress *addr);
/**
* nice_address_set_ipv4:
* @addr: The #NiceAddress to modify
* @addr_ipv4: The IPv4 address
*
* Set @addr to an IPv4 address using the data from @addr_ipv4
*
<note>
<para>
This function will reset the port to 0, so make sure you call it before
nice_address_set_port()
</para>
</note>
*/
void
nice_address_set_ipv4 (NiceAddress *addr, guint32 addr_ipv4);
/**
* nice_address_set_ipv6:
* @addr: The #NiceAddress to modify
* @addr_ipv6: The IPv6 address
*
* Set @addr to an IPv6 address using the data from @addr_ipv6
*
<note>
<para>
This function will reset the port to 0, so make sure you call it before
nice_address_set_port()
</para>
</note>
*/
void
nice_address_set_ipv6 (NiceAddress *addr, const guchar *addr_ipv6);
/**
* nice_address_set_port:
* @addr: The #NiceAddress to modify
* @port: The port to set
*
* Set the port of @addr to @port
*/
void
nice_address_set_port (NiceAddress *addr, guint port);
/**
* nice_address_get_port:
* @addr: The #NiceAddress to query
*
* Retreive the port of @addr
*
* Returns: The port of @addr
*/
guint
nice_address_get_port (const NiceAddress *addr);
/**
* nice_address_set_from_string:
* @addr: The #NiceAddress to modify
* @str: The string to set
*
* Sets an IPv4 or IPv6 address from the string @str
*
* Returns: %TRUE if success, %FALSE on error
*/
gboolean
nice_address_set_from_string (NiceAddress *addr, const gchar *str);
/**
* nice_address_set_from_sockaddr:
* @addr: The #NiceAddress to modify
* @sin: The sockaddr to set
*
* Sets an IPv4 or IPv6 address from the sockaddr structure @sin
*
*/
void
nice_address_set_from_sockaddr (NiceAddress *addr, const struct sockaddr *sin);
/**
* nice_address_copy_to_sockaddr:
* @addr: The #NiceAddress to query
* @sin: The sockaddr to fill
*
* Fills the sockaddr structure @sin with the address contained in @addr
*
*/
void
nice_address_copy_to_sockaddr (const NiceAddress *addr, struct sockaddr *sin);
/**
* nice_address_equal:
* @a: First #NiceAddress to compare
* @b: Second #NiceAddress to compare
*
* Compares two #NiceAddress structures to see if they contain the same address
* and the same port.
*
* Returns: %TRUE if @a and @b are the same address, %FALSE if they are different
*/
gboolean
nice_address_equal (const NiceAddress *a, const NiceAddress *b);
/**
* nice_address_equal_no_port:
* @a: First #NiceAddress to compare
* @b: Second #NiceAddress to compare
*
* Compares two #NiceAddress structures to see if they contain the same address,
* ignoring the port.
*
* Returns: %TRUE if @a and @b are the same address, %FALSE if they
* are different
*
* Since: 0.1.8
*/
gboolean
nice_address_equal_no_port (const NiceAddress *a, const NiceAddress *b);
/**
* nice_address_to_string:
* @addr: The #NiceAddress to query
* @dst: The string to fill
*
* Transforms the address @addr into a human readable string
*
*/
void
nice_address_to_string (const NiceAddress *addr, gchar *dst);
/**
* nice_address_is_private:
* @addr: The #NiceAddress to query
*
* Verifies if the address in @addr is a private address or not
*
* Returns: %TRUE if @addr is a private address, %FALSE otherwise
*/
gboolean
nice_address_is_private (const NiceAddress *addr);
/**
* nice_address_is_valid:
* @addr: The #NiceAddress to query
*
* Validate whether the #NiceAddress @addr is a valid IPv4 or IPv6 address
*
* Returns: %TRUE if @addr is valid, %FALSE otherwise
*/
G_GNUC_WARN_UNUSED_RESULT
gboolean
nice_address_is_valid (const NiceAddress *addr);
/**
* nice_address_ip_version:
* @addr: The #NiceAddress to query
*
* Returns the IP version of the address
*
* Returns: 4 for IPv4, 6 for IPv6 and 0 for undefined address
*/
G_GNUC_WARN_UNUSED_RESULT
int
nice_address_ip_version (const NiceAddress *addr);
G_END_DECLS
#endif /* __LIBNICE_ADDRESS_H__ */