diff options
Diffstat (limited to 'vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h')
| -rw-r--r-- | vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h b/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h new file mode 100644 index 0000000..1cd0267 --- /dev/null +++ b/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h @@ -0,0 +1,213 @@ +/* + * 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> + +#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: + */ |