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/*
* Copyright (c) 2020 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* \file address.h
* \brief Address
*/
#ifndef HICNLIGHT_ADDRESS_H
#define HICNLIGHT_ADDRESS_H
#include <netinet/in.h>
#include <string.h> // memcmp
#include <hicn/util/ip_address.h>
#include <netinet/in.h>
typedef struct sockaddr_storage address_t;
#define address_equals(a, b) (memcmp(a, b, sizeof(address_t)) == 0)
#define address_family(address) ((address)->ss_family)
#define address4(address) ((struct sockaddr_in *)(address))
#define address6(address) ((struct sockaddr_in6 *)(address))
#define address_sa(address) ((struct sockaddr *)(address))
#define address4_ip(address) (address4(address)->sin_addr)
#define address6_ip(address) (address6(address)->sin6_addr)
#define address6_scope_id(address) (address4_ptr(address)->sin6_scope_id)
#define address_socklen(address) (((address)->ss_family == AF_INET) \
? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6))
#define address4_is_local(address) \
((htonl((address4_ip(address)).s_addr) & 0xFF000000) == 0x7F000000)
#define address6_is_local(address) (IN6_IS_ADDR_LOOPBACK(address6(address)))
#define address_is_local(address) ((address)->ss_family == AF_INET) \
? address4_is_local(address) : address6_is_local(address)
int address_from_ip_port(address_t * address, int family, ip_address_t * addr, uint16_t port);
#define ADDRESS4(ip, port) (*(address_t*) &((struct sockaddr_in) { \
.sin_family = AF_INET, \
.sin_port = htons(port), \
.sin_addr.s_addr = htonl(ip), \
}))
#define ADDRESS4_LOCALHOST(port) ADDRESS4(INADDR_LOOPBACK, (port))
#define ADDRESS4_ANY(port) ADDRESS4(INADDR_ANY, (port))
#define ADDRESS6(ip, port) (*(address_t*) &((struct sockaddr_in6) {\
.sin6_family = AF_INET6, \
.sin6_port = htons(port), \
.sin6_addr = IN6ADDR_ANY_INIT, \
.sin6_scope_id = 0, \
}))
#define ADDRESS6_ANY(port) ADDRESS6(IN6ADDR_ANY_INIT, port)
#define ADDRESS_ANY(family, port) ((family == AF_INET) \
? ADDRESS4_ANY(port) \
: ADDRESS6_ANY(port))
extern const char * _address_family_str[];
#define address_family_str(address) (_address_family_str[address_family(address)])
#define address4_empty(address) (address4_ip(address).s_addr == 0)
#define address6_empty(address) (memcmp(address6_ip(address).s6_addr, &in6addr_any, sizeof(struct in6_addr)) == 0)
#define address_empty(address) (address_family(address) == AF_INET ? address4_empty(address) : address6_empty(address))
#endif /* HICNLIGHT_ADDRESS_H */
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