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#ifndef _MCAST_H_
#define _MCAST_H_
#include <stdint.h>
#include <netinet/in.h>
#include <net/if.h>
struct mcast_conf {
int ipproto;
int reuseaddr;
int checksum;
unsigned short port;
union {
struct in_addr inet_addr;
struct in6_addr inet_addr6;
} in;
union {
struct in_addr interface_addr;
unsigned int interface_index6;
} ifa;
int mtu;
int interface_idx;
int sndbuf;
int rcvbuf;
char iface[IFNAMSIZ];
};
struct mcast_stats {
uint64_t bytes;
uint64_t messages;
uint64_t error;
};
struct mcast_sock {
int fd;
union {
struct sockaddr_in ipv4;
struct sockaddr_in6 ipv6;
} addr;
socklen_t sockaddr_len;
int interface_idx;
struct mcast_stats stats;
};
#define MCAST_LINKS_MAX 4
struct mcast_sock_multi {
int num_links;
int max_mtu;
struct mcast_sock *current_link;
struct mcast_sock *multi[MCAST_LINKS_MAX];
};
struct mcast_sock *mcast_server_create(struct mcast_conf *conf);
void mcast_server_destroy(struct mcast_sock *m);
struct mcast_sock_multi *mcast_server_create_multi(struct mcast_conf *conf, int conf_len);
void mcast_server_destroy_multi(struct mcast_sock_multi *m);
struct mcast_sock *mcast_client_create(struct mcast_conf *conf);
void mcast_client_destroy(struct mcast_sock *m);
struct mcast_sock_multi *mcast_client_create_multi(struct mcast_conf *conf, int conf_len);
void mcast_client_destroy_multi(struct mcast_sock_multi*m);
ssize_t mcast_send(struct mcast_sock *m, void *data, int size);
ssize_t mcast_recv(struct mcast_sock *m, void *data, int size);
int mcast_get_fd(struct mcast_sock *m);
int mcast_get_ifidx(struct mcast_sock_multi *m, int i);
int mcast_get_current_ifidx(struct mcast_sock_multi *m);
struct mcast_sock *mcast_get_current_link(struct mcast_sock_multi *m);
void mcast_set_current_link(struct mcast_sock_multi *m, int i);
void mcast_dump_stats(int fd, const struct mcast_sock_multi *s, const struct mcast_sock_multi *r);
struct nlif_handle;
void mcast_dump_stats_extended(int fd, const struct mcast_sock_multi *s, const struct mcast_sock_multi *r, const struct nlif_handle *h);
#endif
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