1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2012 New Dream Network
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*/
#include <stdio.h>
#include <string.h>
#include <iostream>
#include <sstream>
#include <time.h>
#include <stdlib.h>
#include "common/ceph_argparse.h"
#include "common/config.h"
#include "os/FileStore.h"
#include "global/global_context.h"
#include "global/global_init.h"
#include "global/debug.h"
#include "DeterministicOpSequence.h"
#include "FileStoreDiff.h"
#include "include/assert.h" // boost in DeterministicOpSequence.h clobbers it
#define dout_subsys ceph_subsys_
#undef dout_prefix
#define dout_prefix *_dout << "test_idempotent_sequence "
void usage(const char *name, std::string command = "") {
assert(name != NULL);
std::string more = "cmd <args...>";
std::string diff = "diff <filestoreA> <journalA> <filestoreB> <journalB>";
std::string get_last_op = "get-last-op <filestore> <journal>";
std::string run_seq_to = "run-sequence-to <num-ops> <filestore> <journal>";
if (!command.empty()) {
if (command == "diff")
more = diff;
else if (command == "get-last-op")
more = get_last_op;
else if (command == "run-sequence-to")
more = run_seq_to;
}
std::cout << "usage: " << name << " " << more << " [options]" << std::endl;
std::cout << "\n\
Commands:\n\
" << diff << "\n\
" << get_last_op << "\n\
" << run_seq_to << "\n\
\n\
Global Options:\n\
-c FILE Read configuration from FILE\n\
--osd-data PATH Set OSD Data path\n\
--osd-journal PATH Set OSD Journal path\n\
--osd-journal-size VAL Set Journal size\n\
--help This message\n\
\n\
Test-specific Options:\n\
--test-seed VAL Seed to run the test\n\
--test-status-file PATH Path to keep the status file\n\
--test-num-colls VAL Number of collections to create on init\n\
--test-num-objs VAL Number of objects to create on init\n\
" << std::endl;
}
const char *our_name = NULL;
int seed = 0, num_txs = 100, num_colls = 30, num_objs = 0;
bool is_seed_set = false;
int verify_at = 0;
std::string status_file;
int run_diff(std::string& a_path, std::string& a_journal,
std::string& b_path, std::string& b_journal)
{
FileStore *a = new FileStore(a_path, a_journal, "a");
FileStore *b = new FileStore(b_path, b_journal, "b");
FileStoreDiff fsd(a, b);
int ret = 0;
if (fsd.diff()) {
dout(0) << "diff found an difference" << dendl;
ret = -1;
} else {
dout(0) << "no diff" << dendl;
}
return ret;
}
int run_get_last_op(std::string& filestore_path, std::string& journal_path)
{
FileStore *store = new FileStore(filestore_path, journal_path);
int err = store->mount();
if (err)
return err;
coll_t txn_coll("meta");
hobject_t txn_object(sobject_t("txn", CEPH_NOSNAP));
bufferlist bl;
store->read(txn_coll, txn_object, 0, 100, bl);
int32_t txn = 0;
if (bl.length()) {
bufferlist::iterator p = bl.begin();
::decode(txn, p);
}
store->umount();
delete store;
cout << txn << std::endl;
return 0;
}
int run_sequence_to(int val, std::string& filestore_path,
std::string& journal_path)
{
num_txs = val;
if (!is_seed_set)
seed = (int) time(NULL);
FileStore *store = new FileStore(filestore_path, journal_path);
int err;
// mkfs iff directory dne
err = ::mkdir(filestore_path.c_str(), 0755);
if (err) {
cerr << filestore_path << " already exists" << std::endl;
return err;
}
err = store->mkfs();
ceph_assert(err == 0);
err = store->mount();
ceph_assert(err == 0);
DeterministicOpSequence op_sequence(store, status_file);
op_sequence.init(num_colls, num_objs);
op_sequence.generate(seed, num_txs);
store->umount();
return 0;
}
int run_command(std::string& command, std::vector<std::string>& args)
{
if (command.empty()) {
usage(our_name);
exit(0);
}
/* We'll have a class that will handle the options, the command
* and its arguments. For the time being, and so we can move on, let's
* tolerate this big, ugly code.
*/
if (command == "diff") {
/* expect 4 arguments: (filestore path + journal path)*2 */
if (args.size() == 4) {
return run_diff(args[0], args[1], args[2], args[3]);
}
} else if (command == "get-last-op") {
/* expect 2 arguments: a filestore path + journal */
if (args.size() == 2) {
return run_get_last_op(args[0], args[1]);
}
} else if (command == "run-sequence-to") {
/* expect 3 arguments: # of operations and a filestore path + journal. */
if (args.size() == 3) {
return run_sequence_to(strtoll(args[0].c_str(), NULL, 10), args[1], args[2]);
}
} else {
std::cout << "unknown command " << command << std::endl;
usage(our_name);
exit(1);
}
usage(our_name, command);
exit(1);
}
int main(int argc, const char *argv[])
{
vector<const char*> def_args;
vector<const char*> args;
our_name = argv[0];
argv_to_vec(argc, argv, args);
global_init(&def_args, args,
CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
common_init_finish(g_ceph_context);
g_ceph_context->_conf->apply_changes(NULL);
std::string command;
std::vector<std::string> command_args;
for (std::vector<const char*>::iterator i = args.begin(); i != args.end();) {
string val;
if (ceph_argparse_double_dash(args, i)) {
break;
} else if (ceph_argparse_witharg(args, i, &val,
"--test-seed", (char*) NULL)) {
seed = strtoll(val.c_str(), NULL, 10);
is_seed_set = true;
} else if (ceph_argparse_witharg(args, i, &val,
"--test-num-colls", (char*) NULL)) {
num_colls = strtoll(val.c_str(), NULL, 10);
} else if (ceph_argparse_witharg(args, i, &val,
"--test-num-objs", (char*) NULL)) {
num_objs = strtoll(val.c_str(), NULL, 10);
} else if (ceph_argparse_witharg(args, i, &val,
"--test-status-file", (char*) NULL)) {
status_file = val;
} else if (ceph_argparse_flag(args, i, "--help", (char*) NULL)) {
usage(our_name);
exit(0);
} else {
if (command.empty())
command = *i++;
else
command_args.push_back(string(*i++));
}
}
int ret = run_command(command, command_args);
return ret;
}
|
