diff options
Diffstat (limited to 'extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h')
| -rw-r--r-- | extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h b/extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h deleted file mode 100644 index 9dc18f58af2..00000000000 --- a/extras/vcl-ldpreload/src/libvcl-ldpreload/vcom_socket.h +++ /dev/null @@ -1,470 +0,0 @@ -/* - * 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 <string.h> - -#include <libvcl-ldpreload/vcom_glibc_socket.h> -#include <vppinfra/types.h> - -#define INVALID_SESSION_ID (~0) -#define INVALID_FD (~0) - -#define INVALID_VEP_IDX INVALID_SESSION_ID -#define INVALID_EPFD INVALID_FD - -typedef enum -{ - SOCKET_TYPE_UNBOUND = 0, - SOCKET_TYPE_KERNEL_BOUND, - SOCKET_TYPE_VPPCOM_BOUND -} vcom_socket_type_t; - -typedef enum -{ - EPOLL_TYPE_UNBOUND = 0, - EPOLL_TYPE_KERNEL_BOUND, - EPOLL_TYPE_VPPCOM_BOUND -} vcom_epoll_type_t; - -typedef enum -{ - FD_TYPE_INVALID = 0, - FD_TYPE_KERNEL, - FD_TYPE_EPOLL, - FD_TYPE_VCOM_SOCKET, - /* add new types here */ - /* FD_TYPE_MAX should be the last entry */ - FD_TYPE_MAX -} vcom_fd_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; - -typedef struct -{ - /* epoll file descriptor - - * epfd 0, 1, 2 have special meaning and are reserved, - * -1 denote invalid epfd */ - i32 epfd; - - /* vep idx - -1 denote invalid vep_idx */ - i32 vep_idx; - - /* epoll type */ - vcom_epoll_type_t type; - - /* flags - 0 or EPOLL_CLOEXEC */ - i32 flags; - - /* vcom epoll attributes here */ - - /* - * 00. count of file descriptors currently registered - * on this epoll instance. - * 01. number of file descriptors in the epoll set. - * 02. EPOLL_CTL_ADD, EPOLL_CTL_MOD, EPOLL_CTL_DEL - * update the count. - * 03. cached for frequent access. - * */ - i32 count; - - /* close( ) called on this epoll instance */ - /* 0 - close ( ) not called, 1 - close( ) called. */ - u32 close; - -} vcom_epoll_t; - -typedef struct -{ - /* "container" of this item */ - i32 epfd; - - /* fd - file descriptor information this item refers to */ - i32 fd; - /* next and prev fd in the "epoll set" of epfd */ - i32 next_fd; - i32 prev_fd; - - /* vcom fd type */ - vcom_fd_type_t type; - - /* interested events and the source fd */ - struct epoll_event event; - - /* ready events and the source fd */ - struct epoll_event revent; - - /* epitem attributes here */ - -} vcom_epitem_t; - -typedef union vcom_epitem_key -{ - struct - { - i32 fd; - i32 epfd; - }; - i64 key; -} __EPOLL_PACKED vcom_epitem_key_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 char * -vcom_socket_epoll_type_str (vcom_epoll_type_t t) -{ - switch (t) - { - case EPOLL_TYPE_UNBOUND: - return "EPOLL_TYPE_UNBOUND"; - - case EPOLL_TYPE_KERNEL_BOUND: - return "EPOLL_TYPE_KERNEL_BOUND"; - - case EPOLL_TYPE_VPPCOM_BOUND: - return "EPOLL_TYPE_VPPCOM_BOUND"; - - default: - return "EPOLL_TYPE_UNKNOWN"; - } -} - -static inline char * -vcom_socket_vcom_fd_type_str (vcom_fd_type_t t) -{ - switch (t) - { - case FD_TYPE_KERNEL: - return "FD_TYPE_KERNEL"; - - case FD_TYPE_EPOLL: - return "FD_TYPE_EPOLL"; - - case FD_TYPE_VCOM_SOCKET: - return "FD_TYPE_VCOM_SOCKET"; - - default: - return "FD_TYPE_UNKNOWN"; - } -} - -static inline int -vcom_socket_type_is_vppcom_bound (vcom_socket_type_t t) -{ - return t == SOCKET_TYPE_VPPCOM_BOUND; -} - -static inline int -vcom_socket_epoll_type_is_vppcom_bound (vcom_epoll_type_t t) -{ - return t == EPOLL_TYPE_VPPCOM_BOUND; -} - -static inline void -vsocket_init (vcom_socket_t * vsock) -{ - memset (vsock, 0, sizeof (*vsock)); - - vsock->fd = INVALID_FD; - vsock->sid = INVALID_SESSION_ID; - vsock->type = SOCKET_TYPE_UNBOUND; - /* vcom socket attributes init here */ -} - -static inline void -vepoll_init (vcom_epoll_t * vepoll) -{ - memset (vepoll, 0, sizeof (*vepoll)); - - vepoll->epfd = INVALID_EPFD; - vepoll->vep_idx = INVALID_VEP_IDX; - vepoll->type = EPOLL_TYPE_UNBOUND; - vepoll->flags = 0; - - vepoll->count = 0; - vepoll->close = 0; - /* vcom epoll attributes init here */ -} - -static inline void -vepitem_init (vcom_epitem_t * vepitem) -{ - struct epoll_event event = {.events = 0,.data.fd = INVALID_FD }; - - memset (vepitem, 0, sizeof (*vepitem)); - - vepitem->epfd = INVALID_EPFD; - - vepitem->fd = INVALID_FD; - vepitem->next_fd = INVALID_FD; - vepitem->prev_fd = INVALID_FD; - - vepitem->type = FD_TYPE_INVALID; - - vepitem->event = event; - vepitem->revent = event; - /* vepoll attributes init here */ -} - -static inline void -vepitemkey_init (vcom_epitem_key_t * epfdfd) -{ - memset (epfdfd, 0, sizeof (*epfdfd)); - - epfdfd->epfd = INVALID_EPFD; - epfdfd->fd = INVALID_FD; -} - -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 void -vepoll_set (vcom_epoll_t * vepoll, - i32 epfd, i32 vep_idx, - vcom_epoll_type_t type, i32 flags, i32 count, u32 close) -{ - vepoll->epfd = epfd; - vepoll->vep_idx = vep_idx; - vepoll->type = type; - vepoll->flags = flags; - - vepoll->count = count; - vepoll->close = close; - /* vcom epoll attributes set here */ -} - -static inline void -vepitem_set (vcom_epitem_t * vepitem, - i32 epfd, - i32 fd, i32 next_fd, i32 prev_fd, - vcom_fd_type_t type, - struct epoll_event event, struct epoll_event revent) -{ - vepitem->epfd = epfd; - - vepitem->fd = fd; - vepitem->next_fd = next_fd; - vepitem->prev_fd = prev_fd; - - vepitem->type = type; - - vepitem->event = event; - vepitem->revent = revent; - /* vcom epitem attributes set here */ -} - -static inline void -vepitemkey_set (vcom_epitem_key_t * epfdfd, i32 epfd, i32 fd) -{ - epfdfd->epfd = epfd; - epfdfd->fd = fd; -} - -static inline int -vsocket_is_vppcom_bound (vcom_socket_t * vsock) -{ - return vcom_socket_type_is_vppcom_bound (vsock->type); -} - -static inline int -vepoll_is_vppcom_bound (vcom_epoll_t * vepoll) -{ - return vcom_socket_epoll_type_is_vppcom_bound (vepoll->type); -} - -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_is_vcom_epfd (int epfd); - -int vcom_socket_close (int __fd); - -ssize_t vcom_socket_read (int __fd, void *__buf, size_t __nbytes); - -ssize_t vcom_socket_readv (int __fd, const struct iovec *__iov, int __iovcnt); - -ssize_t vcom_socket_write (int __fd, const void *__buf, size_t __n); - -ssize_t vcom_socket_writev (int __fd, const struct iovec *__iov, - int __iovcnt); - -int vcom_socket_fcntl_va (int __fd, int __cmd, va_list __ap); - -int vcom_socket_ioctl_va (int __fd, unsigned long 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); - -int vcom_socket_epoll_create1 (int __flags); - -int -vcom_socket_epoll_ctl (int __epfd, int __op, int __fd, - struct epoll_event *__event); - -int -vcom_socket_epoll_pwait (int __epfd, struct epoll_event *__events, - int __maxevents, int __timeout, - const __sigset_t * __ss); - -/* - * handle only vcom fds - */ -int vcom_socket_poll (struct pollfd *__fds, nfds_t __nfds, int __timeout); - -#ifdef __USE_GNU -int -vcom_socket_ppoll (struct pollfd *__fds, nfds_t __nfds, - const struct timespec *__timeout, const __sigset_t * __ss); -#endif - -#endif /* included_vcom_socket_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |