/*****************************************************************************
* datagram.h:
*****************************************************************************
* Copyright (C) 2020 Rémi Denis-Courmont
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_DATAGRAM_SOCKET_H
# define VLC_DATAGRAM_SOCKET_H
struct iovec;
/**
* Datagram socket
*/
struct vlc_dtls {
const struct vlc_dtls_operations *ops;
};
struct vlc_dtls_operations {
void (*close)(struct vlc_dtls *);
int (*get_fd)(struct vlc_dtls *, short *events);
ssize_t (*readv)(struct vlc_dtls *, struct iovec *iov, unsigned len,
bool *restrict truncated);
ssize_t (*writev)(struct vlc_dtls *, const struct iovec *iov, unsigned len);
};
static inline void vlc_dtls_Close(struct vlc_dtls *dgs)
{
dgs->ops->close(dgs);
}
static inline int vlc_dtls_GetPollFD(struct vlc_dtls *dgs, short *restrict ev)
{
return dgs->ops->get_fd(dgs, ev);
}
static inline ssize_t vlc_dtls_Recv(struct vlc_dtls *dgs, void *buf, size_t len,
bool *restrict truncated)
{
struct iovec iov = { .iov_base = buf, .iov_len = len };
return dgs->ops->readv(dgs, &iov, 1, truncated);
}
static inline ssize_t vlc_dtls_Send(struct vlc_dtls *dgs, const void *buf,
size_t len)
{
struct iovec iov = { .iov_base = (void *)buf, .iov_len = len };
return dgs->ops->writev(dgs, &iov, 1);
}
struct vlc_dtls *vlc_datagram_CreateFD(int fd);
struct vlc_dtls *vlc_dccp_CreateFD(int fd);
#endif
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