sbin/hammer2: Use volatile sig_atomic_t
[dragonfly.git] / sbin / hammer2 / hammer2.h
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1/*
2 * Copyright (c) 2011-2012 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@dragonflybsd.org>
6 * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36/*
37 * Rollup headers for hammer2 utility
38 */
39#include <sys/types.h>
9ab15106 40#include <sys/uio.h>
185ace93 41#include <sys/queue.h>
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42#include <sys/mount.h>
43#include <sys/file.h>
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44#include <sys/socket.h>
45#include <sys/time.h>
46#include <sys/wait.h>
47#include <sys/tty.h>
9ab15106 48#include <sys/endian.h>
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49#include <sys/sysctl.h>
50#include <sys/udev.h>
185ace93 51#include <sys/diskslice.h>
b92bfd39 52#include <sys/dtype.h>
0c3a8cd0 53#include <dmsg.h>
355d67fc 54#include <dirent.h>
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55
56#include <netinet/in.h>
d30cab67 57#include <netinet/ip.h>
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58#include <netinet/tcp.h>
59#include <arpa/inet.h>
60#include <netdb.h>
61
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62#include <vfs/hammer2/hammer2_disk.h>
63#include <vfs/hammer2/hammer2_mount.h>
64#include <vfs/hammer2/hammer2_ioctl.h>
7d565a4f 65#include <vfs/hammer2/hammer2_xxhash.h>
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66
67#include <stdio.h>
68#include <stdlib.h>
69#include <stdarg.h>
70#include <stddef.h>
5ba65e34 71
2910a90c 72#include <errno.h>
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73#include <fcntl.h>
74#include <signal.h>
75#include <string.h>
76#include <unistd.h>
9ab15106 77#include <ctype.h>
ae183399 78#include <uuid.h>
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79#include <assert.h>
80#include <pthread.h>
81#include <poll.h>
82
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83#include <libutil.h>
84
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85#define HAMMER2_DEFAULT_DIR "/etc/hammer2"
86#define HAMMER2_PATH_REMOTE HAMMER2_DEFAULT_DIR "/remote"
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87#ifndef UDEV_DEVICE_PATH
88#define UDEV_DEVICE_PATH "/dev/udev"
89#endif
62efe6ec 90
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91struct hammer2_idmap {
92 struct hammer2_idmap *next;
93 uint32_t ran_beg; /* inclusive */
94 uint32_t ran_end; /* inclusive */
95};
96
97typedef struct hammer2_idmap hammer2_idmap_t;
98
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99/*
100 * UDP broadcast structure (must be endian neutral)
101 */
102struct hammer2_udppkt {
103 char key[8]; /* HAMMER2.01 */
104 char gen[8];
105 char label[64];
106};
107
108typedef struct hammer2_udppkt hammer2_udppkt_t;
109
5ba65e34 110extern int DebugOpt;
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111extern int ForceOpt;
112extern int RecurseOpt;
bd878fc9 113extern int VerboseOpt;
9b8b748f 114extern int QuietOpt;
5ba65e34 115extern int NormalExit;
2910a90c 116
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117/*
118 * Hammer2 command APIs
119 */
2910a90c 120int hammer2_ioctl_handle(const char *sel_path);
9ab15106 121void hammer2_demon(void *(*func)(void *), void *arg);
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122
123int cmd_remote_connect(const char *sel_path, const char *url);
124int cmd_remote_disconnect(const char *sel_path, const char *url);
125int cmd_remote_status(const char *sel_path, int all_opt);
ae183399 126
7dc0f844 127int cmd_pfs_getid(const char *sel_path, const char *name, int privateid);
b92bfd39 128int cmd_pfs_list(int ac, const char **av);
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129int cmd_pfs_create(const char *sel_path, const char *name,
130 uint8_t pfs_type, const char *uuid_str);
131int cmd_pfs_delete(const char *sel_path, const char *name);
d0ceb671 132int cmd_pfs_snapshot(const char *sel_path, const char *name, const char *label);
ae183399 133
62efe6ec 134int cmd_service(void);
775153c2 135int cmd_hash(int ac, const char **av);
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136int cmd_info(int ac, const char **av);
137int cmd_mountall(int ac, const char **av);
ad7cf8ea 138int cmd_stat(int ac, const char **av);
9ab15106 139int cmd_leaf(const char *sel_path);
bd878fc9 140int cmd_shell(const char *hostname);
02454b3e 141int cmd_debugspan(const char *hostname);
8f579e46 142int cmd_chaindump(const char *path);
78ac5385 143int cmd_show(const char *devpath, int dofreemap);
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144int cmd_rsainit(const char *dir_path);
145int cmd_rsaenc(const char **keys, int nkeys);
146int cmd_rsadec(const char **keys, int nkeys);
f481450f 147int cmd_setcomp(const char *comp_str, char **paths);
8adee7de 148int cmd_setcheck(const char *comp_str, char **paths);
00261fe0 149int cmd_bulkfree(const char *dir_path);
9ab15106 150
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151/*
152 * Misc functions
153 */
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154const char *hammer2_time64_to_str(uint64_t htime64, char **strp);
155const char *hammer2_uuid_to_str(uuid_t *uuid, char **strp);
156const char *hammer2_iptype_to_str(uint8_t type);
157const char *hammer2_pfstype_to_str(uint8_t type);
ad7cf8ea 158const char *sizetostr(hammer2_off_t size);
8b903fd1 159const char *counttostr(hammer2_off_t size);
775153c2 160hammer2_key_t dirhash(const unsigned char *name, size_t len);
62efe6ec 161
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162uint32_t hammer2_icrc32(const void *buf, size_t size);
163uint32_t hammer2_icrc32c(const void *buf, size_t size, uint32_t crc);
11f7caf4 164
b53e7c4f 165void hammer2_shell_parse(dmsg_msg_t *msg, int unmanaged);
355d67fc 166void print_inode(char* inode_string);