Adding upstream version 2.39.3.upstream/2.39.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 */