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https://github.com/checkpoint-restore/criu.git
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37131e51b1
v2: - Use do_dump_opt in dump_socket to not call lookup_socket redundantly v3: - use getsockopt to check that unconnected socket has no peername and it's not listening - do test only socket protocol since family and type will be called in dump_one_inet_fd. v4: - Move proto tests to can_dump_inet_sk - Use SOL_TCP/TCP_INFO to gather info about tcp sockets v5: - hash unconnected sockets to run BUG_ON(already-dumped) logic - no default value for sk->wqlen, use zero from xzalloc - drop bogus xfree on error Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
#ifndef CR_SOCKETS_H__
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#define CR_SOCKETS_H__
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include "types.h"
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struct fdinfo_list_entry;
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struct sk_opts_entry;
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struct fdinfo_entry;
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struct cr_options;
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struct file_desc;
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struct fd_parms;
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struct cr_fdset;
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struct nlmsghdr;
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struct socket_desc {
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unsigned int family;
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unsigned int ino;
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struct socket_desc *next;
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int already_dumped;
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};
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extern int dump_socket(struct fd_parms *p, int lfd, const struct cr_fdset *cr_fdset);
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extern int dump_socket_opts(int sk, struct sk_opts_entry *soe);
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extern int restore_socket_opts(int sk, struct sk_opts_entry *soe);
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extern void show_socket_opts(struct sk_opts_entry *soe);
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extern int sk_collect_one(int ino, int family, struct socket_desc *d);
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extern int collect_sockets(void);
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extern int collect_inet_sockets(void);
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extern int collect_unix_sockets(void);
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extern int fix_external_unix_sockets(void);
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extern int resolve_unix_peers(void);
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extern int run_unix_connections(void);
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extern void show_unixsk(int fd, struct cr_options *o);
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extern void show_inetsk(int fd, struct cr_options *o);
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extern void show_sk_queues(int fd, struct cr_options *o);
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extern char *skfamily2s(u32 f);
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extern char *sktype2s(u32 t);
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extern char *skproto2s(u32 p);
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extern char *skstate2s(u32 state);
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extern struct socket_desc *lookup_socket(int ino);
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extern int dump_one_inet(struct fd_parms *p, int lfd, const struct cr_fdset *set);
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extern int dump_one_unix(struct fd_parms *p, int lfd, const struct cr_fdset *set);
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extern int inet_collect_one(struct nlmsghdr *h, int family, int type, int proto);
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extern int unix_receive_one(struct nlmsghdr *h);
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extern int do_dump_opt(int sk, int name, void *val, int len);
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#endif /* CR_SOCKETS_H__ */
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