186 lines
4.2 KiB
C
186 lines
4.2 KiB
C
![]() |
/**
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* @file endpoint_notify.h
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*
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* @brief Interface of endpoint_notify_t.
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*
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*/
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/*
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* Copyright (C) 2007 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef ENDPOINT_NOTIFY_H_
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#define ENDPOINT_NOTIFY_H_
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#define P2P_PRIO_HOST 255
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#define P2P_PRIO_SERVER 100
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#define P2P_PRIO_PEER 120
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#define P2P_PRIO_RELAY 0
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typedef enum p2p_endpoint_family_t p2p_endpoint_family_t;
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typedef enum p2p_endpoint_type_t p2p_endpoint_type_t;
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typedef struct endpoint_notify_t endpoint_notify_t;
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#include <encoding/payloads/notify_payload.h>
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enum p2p_endpoint_family_t {
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NO_FAMILY = 0,
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IPv4 = 1,
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IPv6 = 2,
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MAX_FAMILY = 3
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};
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enum p2p_endpoint_type_t {
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NO_TYPE = 0,
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HOST = 1,
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SERVER_REFLEXIVE = 2,
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PEER_REFLEXIVE = 3,
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RELAYED = 4,
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MAX_TYPE = 5
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};
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/**
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* @brief Class representing a P2P_ENDPOINT notify. In fact it's not
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* the notify per se, but the notification data of that notify that is
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* handled with this class.
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*
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* @b Constructors:
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* - endpoint_notify_create()
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* - endpoint_notify_create_from_host()
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*
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* @ingroup payloads
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*/
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struct endpoint_notify_t {
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/**
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* @brief Returns the priority of this endpoint.
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*
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* @param this object
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* @return priority
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*/
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u_int32_t (*get_priority) (endpoint_notify_t *this);
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/**
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* @brief Sets the priority of this endpoint.
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*
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* @param this object
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* @param priority priority
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*/
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void (*set_priority) (endpoint_notify_t *this, u_int32_t priority);
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/**
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* @brief Returns the endpoint type of this endpoint.
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*
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* @param this object
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* @return endpoint type
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*/
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p2p_endpoint_type_t (*get_type) (endpoint_notify_t *this);
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/**
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* @brief Returns the endpoint family of this endpoint.
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*
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* @param this object
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* @return endpoint family
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*/
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p2p_endpoint_family_t (*get_family) (endpoint_notify_t *this);
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/**
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* @brief Returns the host of this endpoint.
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*
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* @param this object
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* @return host
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*/
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host_t *(*get_host) (endpoint_notify_t *this);
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/**
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* @brief Returns the base of this endpoint.
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*
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* If this is not a SERVER_REFLEXIVE endpoint, the returned host is the same
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* as the one returned by get_host.
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*
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* @param this object
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* @return host
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*/
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host_t *(*get_base) (endpoint_notify_t *this);
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/**
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* @brief Generates a notification payload from this endpoint.
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*
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* @param this object
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* @return built notify_payload_t
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*/
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notify_payload_t *(*build_notify) (endpoint_notify_t *this);
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/**
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* @brief Clones an endpoint_notify_t object.
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*
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* @param this endpoint_notify_t object to clone
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* @return cloned object
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*/
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endpoint_notify_t *(*clone) (endpoint_notify_t *this);
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/**
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* @brief Destroys an endpoint_notify_t object.
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*
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* @param this endpoint_notify_t object to destroy
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*/
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void (*destroy) (endpoint_notify_t *this);
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};
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/**
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* @brief Creates an empty endpoint_notify_t object.
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*
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* @return created endpoint_notify_t object
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*
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* @ingroup payloads
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*/
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endpoint_notify_t *endpoint_notify_create(void);
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/**
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* @brief Creates an endpoint_notify_t object from a host.
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*
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* @param type the endpoint type
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* @param host host to base the notify on (gets cloned)
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* @param base base of the endpoint, applies only to reflexive endpoints (gets cloned)
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* @return created endpoint_notify_t object
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*
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* @ingroup payloads
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*/
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endpoint_notify_t *endpoint_notify_create_from_host(p2p_endpoint_type_t type, host_t *host, host_t *base);
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/**
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* @brief Creates an endpoint_notify_t object from a notify payload.
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*
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* @param notify the notify payload
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* @return - created endpoint_notify_t object
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* - NULL if invalid payload
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* @ingroup payloads
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*/
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endpoint_notify_t *endpoint_notify_create_from_payload(notify_payload_t *notify);
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#endif /*ENDPOINT_NOTIFY_H_*/
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