/*
* machinarium.
*
* cooperative multitasking engine.
*/

#include <machinarium.h>
#include <machinarium_private.h>

MACHINE_API int
machine_bind(machine_io_t *obj, struct sockaddr *sa)
{
    mm_io_t *io = mm_cast(mm_io_t*, obj);
    mm_errno_set(0);
    if (io->connected) {
        mm_errno_set(EINPROGRESS);
        return -1;
    }
    int rc;
    rc = mm_io_socket(io, sa);
    if (rc == -1)
        goto error;
    rc = mm_socket_set_reuseaddr(io->fd, 1);
    if (rc == -1) {
        mm_errno_set(errno);
        goto error;
    }
    if (sa->sa_family == AF_INET6) {
        rc = mm_socket_set_ipv6only(io->fd, 1);
        if (rc == -1) {
            mm_errno_set(errno);
            goto error;
        }
    }
    rc = mm_socket_bind(io->fd, sa);
    if (rc == -1) {
        mm_errno_set(errno);
        goto error;
    }
    rc = machine_io_attach(obj);
    if (rc == -1)
        goto error;
    return 0;
error:
    if (io->fd != -1) {
        close(io->fd);
        io->fd = -1;
    }
    io->handle.fd = -1;
    return -1;
}