stream_private.h

#pragma once
 
#include <stdbool.h>
#include <stdint.h>
 
#include <osmocom/core/socket.h>
 
#include "config.h"
 
#ifdef HAVE_LIBSCTP
#include <netinet/sctp.h>
        #define OSMO_STREAM_MAX_ADDRS OSMO_SOCK_MAX_ADDRS
        /*
        * Platforms that don't have MSG_NOSIGNAL (which disables SIGPIPE)
        * usually have SO_NOSIGPIPE (set via setsockopt).
        */
        #ifndef MSG_NOSIGNAL
        #define MSG_NOSIGNAL 0
        #endif
#else
        #define OSMO_STREAM_MAX_ADDRS 1
#endif
 
enum osmo_stream_mode {
        OSMO_STREAM_MODE_UNKNOWN,
        OSMO_STREAM_MODE_OSMO_FD,
        OSMO_STREAM_MODE_OSMO_IO,
};
 
struct osmo_io_fd;
struct msghdr;
 
int stream_sctp_sock_activate_events(int fd);
int stream_setsockopt_nodelay(int fd, int proto, int on);
int stream_sctp_recvmsg_wrapper(int fd, struct msgb *msg, const char *log_pfx);
 
int stream_iofd_sctp_send_msgb(struct osmo_io_fd *iofd, struct msgb *msg, int sendmsg_flags);
int stream_iofd_sctp_recvmsg_trailer(struct osmo_io_fd *iofd, struct msgb *msg, int ret, const struct msghdr *msgh);