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