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Diffstat (limited to 'Source/charon/network/host.c')
-rw-r--r-- | Source/charon/network/host.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/Source/charon/network/host.c b/Source/charon/network/host.c new file mode 100644 index 000000000..c2b01d175 --- /dev/null +++ b/Source/charon/network/host.c @@ -0,0 +1,171 @@ +/** + * @file host.c + * + * @brief host object, identifies a host and defines some useful functions on it. + * + */ + +/* + * Copyright (C) 2005 Jan Hutter, Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +#include "host.h" + +#include <utils/allocator.h> + +/** + * @brief The logger object. + */ +typedef struct private_host_s private_host_t; +struct private_host_s { + /** + * Public data + */ + host_t public; + + /** + * Address family to use, such as AF_INET or AF_INET6 + */ + int family; + + /** + * low-lewel structure, wich stores the address + */ + sockaddr_t address; + + /** + * length of address structure + */ + socklen_t socklen; +}; + + +/** + * implements host_t.get_sockaddr + */ +static sockaddr_t *get_sockaddr(private_host_t *this) +{ + return &(this->address); +} + +/** + * implements host_t.get_sockaddr_len + */ +static socklen_t *get_sockaddr_len(private_host_t *this) +{ + return &(this->socklen); +} + +/** + * implements host_t.get_address + */ +static char *get_address(private_host_t *this) +{ + switch (this->family) + { + case AF_INET: + { + struct sockaddr_in *sin = (struct sockaddr_in*)&(this->address); + return inet_ntoa(sin->sin_addr); + } + default: + { + return "(family not supported)"; + } + } +} + +/** + * implements host_t.get_port + */ +static u_int16_t get_port(private_host_t *this) +{ + switch (this->family) + { + case AF_INET: + { + struct sockaddr_in *sin = (struct sockaddr_in*)&(this->address); + return ntohs(sin->sin_port); + } + default: + { + return 0; + } + } +} + +/** + * Implements host_t.destroy + */ +static status_t destroy(private_host_t *this) +{ + allocator_free(this); + return SUCCESS; +} + +/** + * Implements host_t.clone. + */ +static status_t clone(private_host_t *this, host_t **other) +{ + private_host_t *new = allocator_alloc_thing(private_host_t); + + if (new == NULL) + { + return OUT_OF_RES; + } + + memcpy(new, this, sizeof(private_host_t)); + *other = (host_t*)new; + + return SUCCESS; +} + + +/* + * see header + */ +host_t *host_create(int family, char *address, u_int16_t port) +{ + private_host_t *this = allocator_alloc_thing(private_host_t); + if (this == NULL) + { + return NULL; + } + + this->public.get_sockaddr = (sockaddr_t* (*) (host_t*))get_sockaddr; + this->public.get_sockaddr_len = (socklen_t*(*) (host_t*))get_sockaddr_len; + this->public.clone = (status_t (*) (host_t*, host_t**))clone; + this->public.get_address = (char* (*) (host_t *))get_address; + this->public.get_port = (u_int16_t (*) (host_t *))get_port; + this->public.destroy = (status_t (*) (host_t*))destroy; + + this->family = family; + + switch (family) + { + /* IPv4 */ + case AF_INET: + { + struct sockaddr_in *sin = (struct sockaddr_in*)&(this->address); + sin->sin_family = AF_INET; + sin->sin_addr.s_addr = inet_addr(address); + sin->sin_port = htons(port); + this->socklen = sizeof(struct sockaddr_in); + return (host_t*)this; + } + } + allocator_free(this); + return NULL; +} |