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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef included_vcom_socket_h
#define included_vcom_socket_h
#include <libvcl-ldpreload/vcom_glibc_socket.h>
#include <vppinfra/types.h>
#define INVALID_SESSION_ID (~0)
#define INVALID_FD (~0)
typedef enum
{
SOCKET_TYPE_UNBOUND = 0,
SOCKET_TYPE_KERNEL_BOUND,
SOCKET_TYPE_VPPCOM_BOUND
} vcom_socket_type_t;
typedef struct
{
/* file descriptor -
* fd 0, 1, 2 have special meaning and are reserved,
* -1 denote invalid fd */
i32 fd;
/* session id - -1 denote invalid sid */
i32 sid;
/* socket type */
vcom_socket_type_t type;
/* vcom socket attributes here */
} vcom_socket_t;
static inline char *
vcom_socket_type_str (vcom_socket_type_t t)
{
switch (t)
{
case SOCKET_TYPE_UNBOUND:
return "SOCKET_TYPE_UNBOUND";
case SOCKET_TYPE_KERNEL_BOUND:
return "SOCKET_TYPE_KERNEL_BOUND";
case SOCKET_TYPE_VPPCOM_BOUND:
return "SOCKET_TYPE_VPPCOM_BOUND";
default:
return "SOCKET_TYPE_UNKNOWN";
}
}
static inline int
vcom_socket_type_is_vppcom_bound (vcom_socket_type_t t)
{
return t == SOCKET_TYPE_VPPCOM_BOUND;
}
static inline void
vsocket_init (vcom_socket_t * vsock)
{
vsock->fd = INVALID_FD;
vsock->sid = INVALID_SESSION_ID;
vsock->type = SOCKET_TYPE_UNBOUND;
/* vcom socket attributes init here */
}
static inline void
vsocket_set (vcom_socket_t * vsock, i32 fd, i32 sid, vcom_socket_type_t type)
{
vsock->fd = fd;
vsock->sid = sid;
vsock->type = type;
/* vcom socket attributes set here */
}
static inline int
vsocket_is_vppcom_bound (vcom_socket_t * vsock)
{
return vcom_socket_type_is_vppcom_bound (vsock->type);
}
int vcom_socket_open_socket (int domain, int type, int protocol);
int vcom_socket_close_socket (int fd);
int vcom_socket_main_init (void);
void vcom_socket_main_destroy (void);
void vcom_socket_main_show (void);
int vcom_socket_is_vcom_fd (int fd);
int vcom_socket_close (int __fd);
ssize_t vcom_socket_read (int __fd, void *__buf, size_t __nbytes);
ssize_t vcom_socket_write (int __fd, const void *__buf, size_t __n);
int vcom_socket_fcntl_va (int __fd, int __cmd, va_list __ap);
int
vcom_socket_select (int vcom_nfds, fd_set * __restrict vcom_readfds,
fd_set * __restrict vcom_writefds,
fd_set * __restrict vcom_exceptfds,
struct timeval *__restrict timeout);
int vcom_socket_socket (int __domain, int __type, int __protocol);
int
vcom_socket_socketpair (int __domain, int __type, int __protocol,
int __fds[2]);
int vcom_socket_bind (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len);
int
vcom_socket_getsockname (int __fd, __SOCKADDR_ARG __addr,
socklen_t * __restrict __len);
int
vcom_socket_connect (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len);
int
vcom_socket_getpeername (int __fd, __SOCKADDR_ARG __addr,
socklen_t * __restrict __len);
ssize_t
vcom_socket_send (int __fd, const void *__buf, size_t __n, int __flags);
ssize_t vcom_socket_recv (int __fd, void *__buf, size_t __n, int __flags);
/*
* RETURN 1 if __fd is (SOCK_STREAM, SOCK_SEQPACKET),
* 0 otherwise
* */
int vcom_socket_is_connection_mode_socket (int __fd);
ssize_t
vcom_socket_sendto (int __fd, const void *__buf, size_t __n,
int __flags, __CONST_SOCKADDR_ARG __addr,
socklen_t __addr_len);
ssize_t
vcom_socket_recvfrom (int __fd, void *__restrict __buf, size_t __n,
int __flags, __SOCKADDR_ARG __addr,
socklen_t * __restrict __addr_len);
ssize_t
vcom_socket_sendmsg (int __fd, const struct msghdr *__message, int __flags);
#ifdef __USE_GNU
int
vcom_socket_sendmmsg (int __fd, struct mmsghdr *__vmessages,
unsigned int __vlen, int __flags);
#endif
ssize_t vcom_socket_recvmsg (int __fd, struct msghdr *__message, int __flags);
#ifdef __USE_GNU
int
vcom_socket_recvmmsg (int __fd, struct mmsghdr *__vmessages,
unsigned int __vlen, int __flags,
struct timespec *__tmo);
#endif
int
vcom_socket_getsockopt (int __fd, int __level, int __optname,
void *__restrict __optval,
socklen_t * __restrict __optlen);
int
vcom_socket_setsockopt (int __fd, int __level, int __optname,
const void *__optval, socklen_t __optlen);
int vcom_socket_listen (int __fd, int __n);
int
vcom_socket_accept (int __fd, __SOCKADDR_ARG __addr,
socklen_t * __restrict __addr_len);
#ifdef __USE_GNU
int
vcom_socket_accept4 (int __fd, __SOCKADDR_ARG __addr,
socklen_t * __restrict __addr_len, int __flags);
#endif
int vcom_socket_shutdown (int __fd, int __how);
#endif /* included_vcom_socket_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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