121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
/**
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* @file host.h
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*
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* @brief host object, identifies a host and defines some useful functions on it.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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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 HOST_H_
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#define HOST_H_
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "../types.h"
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/**
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* @brief The logger object
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*/
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typedef struct host_s host_t;
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struct host_s {
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/**
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* @brief Build a clone of this host object.
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*
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* @param this object to clone
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* @param [out]other address where to allocate the clone
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* @return
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* - SUCCESS, or
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* - OUT_OF_RES
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*/
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status_t (*clone) (host_t *this, host_t **other);
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/**
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* @brief Get a pointer to the internal sockaddr struct.
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*
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* This is used for sending and receiving via sockets.
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*
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* @param this object to clone
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* @return pointer to the internal sockaddr structure
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*/
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sockaddr_t *(*get_sockaddr) (host_t *this);
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/**
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* @brief Get the length of the sockaddr struct.
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*
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* Sepending on the family, the length of the sockaddr struct
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* is different. Use this function to get the length of the sockaddr
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* struct returned by get_sock_addr.
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*
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* This is used for sending and receiving via sockets.
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*
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* @param this object to clone
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* @return length of the sockaddr struct
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*/
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socklen_t *(*get_sockaddr_len) (host_t *this);
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/**
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* @brief get the address of this host
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*
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* Mostly used for debugging purposes.
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* @warging string must NOT be freed
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*
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* @param this object to clone
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* @return address string,
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*/
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char* (*get_address) (host_t *this);
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/**
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* @brief get the port of this host
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*
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* Mostly used for debugging purposes.
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*
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* @param this object to clone
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* @return port number
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*/
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u_int16_t (*get_port) (host_t *this);
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/**
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* @brief Destroy this host object
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*
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* @param this calling
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* @return SUCCESS in any case
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*/
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status_t (*destroy) (host_t *this);
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};
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/**
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* @brief Constructor to create a host_t object
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*
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* currently supports only IPv4!
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*
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* @param family Address family to use for this object, such as AF_INET or AF_INET6
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* @param address string of an address, such as "152.96.193.130"
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* @param port port number
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* @return the host_t object or NULL, when
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* not enough ressources, or
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* family not supported.
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*/
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host_t *host_create(int family, char *address, u_int16_t port);
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#endif /*HOST_H_*/
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