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/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 DOUBANGO.
*
*/
/**@file tnet_dhcp6.h
* @brief Dynamic Host Configuration Protocol for IPv6 (DHCPv6) as per RFC 3315.
* Also implement: RFC 3319, 3633, 3646, 3736, 4242, 5007 ...
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#ifndef TNET_DHCP6_H
#define TNET_DHCP6_H
#include "tinynet_config.h"
#include "tnet_dhcp6_message.h"
#include "tnet_utils.h"
#include "tsk_object.h"
#include "tsk_safeobj.h"
TNET_BEGIN_DECLS
#define TNET_DHCP6_VENDOR_CLASS_DATA_DEFAULT "doubango/v0.0.0"
/** RFC 3315 - 5.1. Multicast Addresses
* A link-scoped multicast address used by a client to communicate with
* neighboring (i.e., on-link) relay agents and servers.
* All servers and relay agents are members of this multicast group.
*/
#define TNET_DHCP6_All_DHCP_Relay_Agents_and_Servers "FF02::1:2"
/** RFC 3315 - 5.1. Multicast Addresses
* A site-scoped multicast address used by a relay agent to communicate with servers, either
* because the relay agent wants to send messages to all servers or because it does not know the unicast
* addresses of the servers. Note that in order for a relay agent to use this address, it must have an
* address of sufficient scope to be reachable by the servers. All servers within the site are members of
* this multicast group.
*/
#define TNET_DHCP6_All_DHCP_Servers "FF05::1:3"
/*== RFC 3315 - 5.5. Transmission and Retransmission Parameters
* This section presents a table of values used to describe the message
* transmission behavior of clients and servers.
*/
#define TNET_DHCP6_RT_SOL_MAX_DELAY 1 /**< 1 sec Max delay of first Solicit */
#define TNET_DHCP6_RT_SOL_TIMEOUT 1 /**< 1 sec Initial Solicit timeout */
#define TNET_DHCP6_RT_SOL_MAX_RT 120 /**< 120 secs Max Solicit timeout value */
#define TNET_DHCP6_RT_REQ_TIMEOUT 1 /**< 1 sec Initial Request timeout */
#define TNET_DHCP6_RT_REQ_MAX_RT 30 /**< 30 secs Max Request timeout value */
#define TNET_DHCP6_RT_REQ_MAX_RC 10 /**< 10 Max Request retry attempts */
#define TNET_DHCP6_RT_CNF_MAX_DELAY 1 /**< 1 sec Max delay of first Confirm */
#define TNET_DHCP6_RT_CNF_TIMEOUT 1 /**< 1 sec Initial Confirm timeout */
#define TNET_DHCP6_RT_CNF_MAX_RT 4 /**< 4 secs Max Confirm timeout */
#define TNET_DHCP6_RT_CNF_MAX_RD 10 /**< 10 secs Max Confirm duration */
#define TNET_DHCP6_RT_REN_TIMEOUT 10 /**< 10 secs Initial Renew timeout */
#define TNET_DHCP6_RT_REN_MAX_RT 600 /**< 600 secs Max Renew timeout value */
#define TNET_DHCP6_RT_REB_TIMEOUT 10 /**< 10 secs Initial Rebind timeout */
#define TNET_DHCP6_RT_REB_MAX_RT 600 /**< 600 secs Max Rebind timeout value */
#define TNET_DHCP6_RT_INF_MAX_DELAY 1 /**< 1 sec Max delay of first Information-request */
#define TNET_DHCP6_RT_INF_TIMEOUT 1 /**< 1 sec Initial Information-request timeout */
#define TNET_DHCP6_RT_INF_MAX_RT 120 /**< 120 secs Max Information-request timeout value */
#define TNET_DHCP6_RT_REL_TIMEOUT 1 /**< 1 sec Initial Release timeout */
#define TNET_DHCP6_RT_REL_MAX_RC 5 /**< 5 MAX Release attempts */
#define TNET_DHCP6_RT_DEC_TIMEOUT 1 /**< 1 sec Initial Decline timeout */
#define TNET_DHCP6_RT_DEC_MAX_RC 5 /**< 5 Max Decline attempts */
#define TNET_DHCP6_RT_REC_TIMEOUT 2 /**< 2 secs Initial Reconfigure timeout */
#define TNET_DHCP6_RT_REC_MAX_RC 2 /**< 8 Max Reconfigure attempts */
#define TNET_DHCP6_RT_HOP_COUNT_LIMIT 32 /**< 32 Max hop count in a Relay-forward message */
/** RFC 3315 - 5.6 Representation of time values and "Infinity" as a time value */
#define TNET_DHCP6_TIMEVAL_INFINITY 0XFFFFFFFF
/**< Local port(client) to bind to for incoming DHCP messages as per RFC 3315 subclause 5.2. */
#define TNET_DHCP6_CLIENT_PORT 546
/**< Destination port(Server) for outgoing DHCP messages as per RFC 3315 subclause 5.2. */
#define TNET_DHCP6_SERVER_PORT 547
/**@ingroup tnet_dhcpv_group
* DHCPv6 context.
*/
typedef struct tnet_dhcp6_ctx_s {
TSK_DECLARE_OBJECT;
uint16_t pen; /**< Private Enterprise Number assigned by the IANA. Default= @ref TNET_IANA_PEN.*/
char* vendor_class_data;
uint64_t timeout;
tnet_port_t port_client; /**< Local port to bind to for incloming DHCPv6 messages. Default: 546 */
tnet_port_t server_port; /**< Destination port for outgoing DHCPv6 messages. Default: 547 */
tnet_interfaces_L_t *interfaces;
TSK_DECLARE_SAFEOBJ;
}
tnet_dhcp6_ctx_t;
TINYNET_API tnet_dhcp6_reply_t* tnet_dhcp6_requestinfo(const tnet_dhcp6_ctx_t* ctx, const tnet_dhcp6_option_orequest_t *orequest);
TINYNET_API tnet_dhcp6_ctx_t* tnet_dhcp6_ctx_create();
TINYNET_GEXTERN const tsk_object_def_t *tnet_dhcp6_ctx_def_t;
TNET_END_DECLS
#endif /* TNET_DHCP6_H */
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