diff options
Diffstat (limited to 'misc-utils/lsfd-sock.h')
| -rw-r--r-- | misc-utils/lsfd-sock.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/misc-utils/lsfd-sock.h b/misc-utils/lsfd-sock.h new file mode 100644 index 0000000..d488d0f --- /dev/null +++ b/misc-utils/lsfd-sock.h @@ -0,0 +1,72 @@ +/* + * lsfd(1) - list file descriptors + * + * Copyright (C) 2022 Red Hat, Inc. All rights reserved. + * Written by Masatake YAMATO <yamato@redhat.com> + * + * Very generally based on lsof(8) by Victor A. Abell <abe@purdue.edu> + * It supports multiple OSes. lsfd specializes to Linux. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef UTIL_LINUX_LSFD_SOCK_H +#define UTIL_LINUX_LSFD_SOCK_H + +#include <stdbool.h> +#include <sys/stat.h> + +#include "libsmartcols.h" + +/* + * xinfo: eXtra inforation about sockets + */ +struct sock_xinfo { + ino_t inode; /* inode in sockfs */ + ino_t netns_inode; /* inode of netns where + the socket belongs to */ + const struct sock_xinfo_class *class; +}; + +struct sock { + struct file file; + char *protoname; + struct sock_xinfo *xinfo; +}; + +struct sock_xinfo_class { + /* Methods for filling socket related columns */ + char * (*get_name)(struct sock_xinfo *, struct sock *); + char * (*get_type)(struct sock_xinfo *, struct sock *); + char * (*get_state)(struct sock_xinfo *, struct sock *); + bool (*get_listening)(struct sock_xinfo *, struct sock *); + /* Method for class specific columns. + * Return true when the method fills the column. */ + bool (*fill_column)(struct proc *, + struct sock_xinfo *, + struct sock *, + struct libscols_line *, + int, + size_t, + char **str); + + void (*free)(struct sock_xinfo *); +}; + +void initialize_sock_xinfos(void); +void finalize_sock_xinfos(void); + +struct sock_xinfo *get_sock_xinfo(ino_t netns_inode); + +#endif /* UTIL_LINUX_LSFD_SOCK_H */ |