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net/sock/udp: add sock_udp_ep_is_multicast()

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This commit is contained in:
Benjamin Valentin 2023-03-07 16:12:34 +01:00
parent 777857ae4c
commit 15fd7a9a1c
1 changed files with 29 additions and 0 deletions
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29
sys/include/net/sock/udp.h
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@ -268,6 +268,7 @@
#ifndef NET_SOCK_UDP_H
#define NET_SOCK_UDP_H
#include <assert.h>
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
@ -280,7 +281,10 @@
# pragma clang diagnostic ignored "-Wtypedef-redefinition"
#endif
#include "net/af.h"
#include "net/sock.h"
#include "net/ipv4/addr.h"
#include "net/ipv6/addr.h"
#ifdef __cplusplus
extern "C" {
@ -785,6 +789,31 @@ static inline ssize_t sock_udp_sendv(sock_udp_t *sock,
return sock_udp_sendv_aux(sock, snips, remote, NULL);
}
/**
* @brief Checks if the IP address of an endpoint is multicast
*
* @param[in] ep end point to check
*
* @returns true if end point is multicast
*/
static inline bool sock_udp_ep_is_multicast(const sock_udp_ep_t *ep)
{
switch (ep->family) {
#ifdef SOCK_HAS_IPV6
case AF_INET6:
return ipv6_addr_is_multicast((const ipv6_addr_t *)&ep->addr.ipv6);
#endif
#ifdef SOCK_HAS_IPV4
case AF_INET:
return ipv4_addr_is_multicast((const ipv4_addr_t *)&ep->addr.ipv4);
#endif
default:
assert(0);
}
return false;
}
#include "sock_types.h"
#ifdef __cplusplus