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* include/cygwin/in.h (struct ip_mreq_source): Define.

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(struct ip_msfilter): Define.
	(IP_MSFILTER_SIZE): Define.
	(struct in_pktinfo): Define.
	(struct group_req): Define.
	(struct group_source_req): Define.
	(struct group_filter): Define.
	(GROUP_FILTER_SIZE): Define.
	(INADDR_ALLRTRS_GROUP): Define.
	* include/cygwin/socket.h: Define protocol agnostic multicast options.
This commit is contained in:
Corinna Vinschen
2007-01-16 11:37:05 +00:00
parent 94b91791ea
commit 6281771f37
3 changed files with 80 additions and 2 deletions
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56
winsup/cygwin/include/cygwin/in.h
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@ -116,7 +116,7 @@ struct in_addr
in_addr_t s_addr;
};
/* Request struct for multicast socket ops */
/* Request struct for IPv4 multicast socket ops */
struct ip_mreq
{
@ -124,6 +124,59 @@ struct ip_mreq
struct in_addr imr_interface; /* local IP address of interface */
};
struct ip_mreq_source
{
struct in_addr imr_multiaddr;
struct in_addr imr_sourceaddr;
struct in_addr imr_interface;
};
struct ip_msfilter
{
struct in_addr imsf_multiaddr;
struct in_addr imsf_interface;
uint32_t imsf_fmode;
uint32_t imsf_numsrc;
struct in_addr imsf_slist[1];
};
#define IP_MSFILTER_SIZE(numsrc) (sizeof (struct ip_msfilter) \
- sizeof (struct in_addr) \
+ (numsrc) * sizeof (struct in_addr))
struct in_pktinfo
{
struct in_addr ipi_addr;
uint32_t ipi_ifindex;
};
/* Request struct for IP agnostic multicast socket ops */
struct group_req
{
uint32_t gr_interface;
struct sockaddr_storage gr_group;
};
struct group_source_req
{
uint32_t gsr_interface;
struct sockaddr_storage gsr_group;
struct sockaddr_storage gsr_source;
};
struct group_filter
{
uint32_t gf_interface;
struct sockaddr_storage gf_group;
uint32_t gf_fmode;
uint32_t gf_numsrc;
struct sockaddr_storage gf_slist[1];
};
#define GROUP_FILTER_SIZE(numsrc) (sizeof (struct group_filter) \
- sizeof (struct sockaddr_storage) \
+ (numsrc) * sizeof (struct sockaddr_storage))
/* Structure describing an Internet (IP) socket address. */
#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
@ -187,6 +240,7 @@ struct sockaddr_in
/* Defines for Multicast INADDR */
#define INADDR_UNSPEC_GROUP 0xe0000000 /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP 0xe0000001 /* 224.0.0.1 */
#define INADDR_ALLRTRS_GROUP 0xe0000002 /* 224.0.0.2 */
#define INADDR_MAX_LOCAL_GROUP 0xe00000ff /* 224.0.0.255 */
#define INET_ADDRSTRLEN 16