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+/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.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.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+
+#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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