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/*! \file socket.h
* Osmocom socket convenience functions. */
#pragma once
/*! \defgroup socket Socket convenience functions
* @{
* \file socket.h */
#include <stdint.h>
#include <stdbool.h>
struct sockaddr;
struct osmo_fd;
/* flags for osmo_sock_init. */
/*! connect the socket to a remote peer */
#define OSMO_SOCK_F_CONNECT (1 << 0)
/*! bind the socket to a local address/port */
#define OSMO_SOCK_F_BIND (1 << 1)
/*! switch socket to non-blocking mode */
#define OSMO_SOCK_F_NONBLOCK (1 << 2)
/*! disable multiast loop (IP_MULTICAST_LOOP) */
#define OSMO_SOCK_F_NO_MCAST_LOOP (1 << 3)
/*! disable receiving all multiast even for non-subscribed groups */
#define OSMO_SOCK_F_NO_MCAST_ALL (1 << 4)
int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
const char *host, uint16_t port, unsigned int flags);
int osmo_sock_init2(uint16_t family, uint16_t type, uint8_t proto,
const char *local_host, uint16_t local_port,
const char *remote_host, uint16_t remote_port, unsigned int flags);
int osmo_sock_init_ofd(struct osmo_fd *ofd, int family, int type, int proto,
const char *host, uint16_t port, unsigned int flags);
int osmo_sock_init2_ofd(struct osmo_fd *ofd, int family, int type, int proto,
const char *local_host, uint16_t local_port,
const char *remote_host, uint16_t remote_port, unsigned int flags);
int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
uint8_t proto, unsigned int flags);
int osmo_sockaddr_is_local(struct sockaddr *addr, unsigned int addrlen);
unsigned int osmo_sockaddr_to_str_and_uint(char *addr, unsigned int addr_len, uint16_t *port,
const struct sockaddr *sa);
int osmo_sock_unix_init(uint16_t type, uint8_t proto,
const char *socket_path, unsigned int flags);
int osmo_sock_unix_init_ofd(struct osmo_fd *ofd, uint16_t type, uint8_t proto,
const char *socket_path, unsigned int flags);
char *osmo_sock_get_name(void *ctx, int fd);
int osmo_sock_mcast_loop_set(int fd, bool enable);
int osmo_sock_mcast_ttl_set(int fd, uint8_t ttl);
int osmo_sock_mcast_all_set(int fd, bool enable);
int osmo_sock_mcast_subscribe(int fd, const char *grp_addr);
int osmo_sock_local_ip(char *local_ip, const char *remote_ip);
/*! @} */
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