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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2012 New Dream Network | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | */ | |
13 | #include <stdio.h> | |
14 | #include <string.h> | |
15 | #include <iostream> | |
16 | #include <time.h> | |
17 | #include <stdlib.h> | |
18 | #include <signal.h> | |
19 | #include "os/ObjectStore.h" | |
20 | #include "common/ceph_argparse.h" | |
21 | #include "global/global_init.h" | |
22 | #include "common/debug.h" | |
23 | #include <boost/scoped_ptr.hpp> | |
24 | #include <boost/lexical_cast.hpp> | |
25 | #include "TestObjectStoreState.h" | |
26 | #include "include/assert.h" | |
27 | ||
28 | #define dout_context g_ceph_context | |
29 | #define dout_subsys ceph_subsys_filestore | |
30 | #undef dout_prefix | |
31 | #define dout_prefix *_dout << "ceph_test_objectstore_state " | |
32 | ||
33 | void TestObjectStoreState::init(int colls, int objs) | |
34 | { | |
35 | dout(5) << "init " << colls << " colls " << objs << " objs" << dendl; | |
36 | ||
37 | ObjectStore::Sequencer osr(__func__); | |
38 | ObjectStore::Transaction t; | |
39 | ||
40 | t.create_collection(coll_t::meta(), 0); | |
41 | m_store->apply_transaction(&osr, std::move(t)); | |
42 | ||
43 | wait_for_ready(); | |
44 | ||
45 | int baseid = 0; | |
46 | for (int i = 0; i < colls; i++) { | |
47 | int coll_id = i; | |
48 | coll_entry_t *entry = coll_create(coll_id); | |
49 | dout(5) << "init create collection " << entry->m_coll.to_str() | |
50 | << " meta " << entry->m_meta_obj << dendl; | |
51 | ||
52 | ObjectStore::Transaction *t = new ObjectStore::Transaction; | |
53 | t->create_collection(entry->m_coll, 32); | |
54 | bufferlist hint; | |
55 | uint32_t pg_num = colls; | |
56 | uint64_t num_objs = uint64_t(objs / colls); | |
57 | ::encode(pg_num, hint); | |
58 | ::encode(num_objs, hint); | |
59 | t->collection_hint(entry->m_coll, ObjectStore::Transaction::COLL_HINT_EXPECTED_NUM_OBJECTS, hint); | |
60 | dout(5) << "give collection hint, number of objects per collection: " << num_objs << dendl; | |
61 | t->touch(coll_t::meta(), entry->m_meta_obj); | |
62 | ||
63 | for (int i = 0; i < objs; i++) { | |
64 | hobject_t *obj = entry->touch_obj(i + baseid); | |
65 | t->touch(entry->m_coll, ghobject_t(*obj)); | |
66 | ceph_assert(i + baseid == m_num_objects); | |
67 | m_num_objects++; | |
68 | } | |
69 | baseid += objs; | |
70 | ||
71 | m_store->queue_transaction(&(entry->m_osr), std::move(*t), | |
72 | new C_OnFinished(this)); | |
73 | delete t; | |
74 | inc_in_flight(); | |
75 | ||
76 | m_collections.insert(make_pair(coll_id, entry)); | |
77 | m_collections_ids.push_back(coll_id); | |
78 | m_next_coll_nr++; | |
79 | } | |
31f18b77 | 80 | dout(5) << "init has " << m_in_flight.load() << "in-flight transactions" << dendl; |
7c673cae FG |
81 | wait_for_done(); |
82 | dout(5) << "init finished" << dendl; | |
83 | } | |
84 | ||
85 | TestObjectStoreState::coll_entry_t *TestObjectStoreState::coll_create(int id) | |
86 | { | |
87 | char buf[100]; | |
88 | char meta_buf[100]; | |
89 | memset(buf, 0, 100); | |
90 | memset(meta_buf, 0, 100); | |
91 | snprintf(buf, 100, "0.%d_head", id); | |
92 | snprintf(meta_buf, 100, "pglog_0.%d_head", id); | |
93 | return (new coll_entry_t(id, buf, meta_buf)); | |
94 | } | |
95 | ||
96 | TestObjectStoreState::coll_entry_t* | |
97 | TestObjectStoreState::get_coll(int key, bool erase) | |
98 | { | |
99 | dout(5) << "get_coll id " << key << dendl; | |
100 | ||
101 | coll_entry_t *entry = NULL; | |
102 | map<int, coll_entry_t*>::iterator it = m_collections.find(key); | |
103 | if (it != m_collections.end()) { | |
104 | entry = it->second; | |
105 | if (erase) { | |
106 | m_collections.erase(it); | |
107 | vector<int>::iterator cid_it = m_collections_ids.begin()+(entry->m_id); | |
108 | dout(20) << __func__ << " removing key " << key << " coll_id " << entry->m_id | |
109 | << " iterator's entry id " << (*cid_it) << dendl; | |
110 | m_collections_ids.erase(cid_it); | |
111 | } | |
112 | } | |
113 | ||
114 | dout(5) << "get_coll id " << key; | |
115 | if (!entry) | |
116 | *_dout << " non-existent"; | |
117 | else | |
118 | *_dout << " name " << entry->m_coll.to_str(); | |
119 | *_dout << dendl; | |
120 | return entry; | |
121 | } | |
122 | ||
123 | TestObjectStoreState::coll_entry_t* | |
124 | TestObjectStoreState::get_coll_at(int pos, bool erase) | |
125 | { | |
126 | dout(5) << "get_coll_at pos " << pos << dendl; | |
127 | ||
128 | if (m_collections.empty()) | |
129 | return NULL; | |
130 | ||
131 | assert((size_t) pos < m_collections_ids.size()); | |
132 | ||
133 | int coll_id = m_collections_ids[pos]; | |
134 | coll_entry_t *entry = m_collections[coll_id]; | |
135 | ||
136 | if (entry == NULL) { | |
137 | dout(5) << "get_coll_at pos " << pos << " non-existent" << dendl; | |
138 | return NULL; | |
139 | } | |
140 | ||
141 | if (erase) { | |
142 | m_collections.erase(coll_id); | |
143 | vector<int>::iterator it = m_collections_ids.begin()+(pos); | |
144 | dout(20) << __func__ << " removing pos " << pos << " coll_id " << coll_id | |
145 | << " iterator's entry id " << (*it) << dendl; | |
146 | m_collections_ids.erase(it); | |
147 | } | |
148 | ||
149 | dout(5) << "get_coll_at pos " << pos << ": " | |
150 | << entry->m_coll << "(removed: " << erase << ")" << dendl; | |
151 | ||
152 | return entry; | |
153 | } | |
154 | ||
155 | TestObjectStoreState::coll_entry_t::~coll_entry_t() | |
156 | { | |
157 | if (m_objects.size() > 0) { | |
158 | map<int, hobject_t*>::iterator it = m_objects.begin(); | |
159 | for (; it != m_objects.end(); ++it) { | |
160 | hobject_t *obj = it->second; | |
161 | if (obj) { | |
162 | delete obj; | |
163 | } | |
164 | } | |
165 | m_objects.clear(); | |
166 | } | |
167 | } | |
168 | ||
169 | bool TestObjectStoreState::coll_entry_t::check_for_obj(int id) | |
170 | { | |
171 | if (m_objects.count(id)) | |
172 | return true; | |
173 | return false; | |
174 | } | |
175 | ||
176 | hobject_t *TestObjectStoreState::coll_entry_t::touch_obj(int id) | |
177 | { | |
178 | map<int, hobject_t*>::iterator it = m_objects.find(id); | |
179 | if (it != m_objects.end()) { | |
180 | dout(5) << "touch_obj coll id " << m_id | |
181 | << " name " << it->second->oid.name << dendl; | |
182 | return it->second; | |
183 | } | |
184 | ||
185 | char buf[100]; | |
186 | memset(buf, 0, 100); | |
187 | snprintf(buf, 100, "obj%d", id); | |
188 | ||
189 | hobject_t *obj = new hobject_t(sobject_t(object_t(buf), CEPH_NOSNAP)); | |
190 | m_objects.insert(make_pair(id, obj)); | |
191 | ||
192 | dout(5) << "touch_obj coll id " << m_id << " name " << buf << dendl; | |
193 | return obj; | |
194 | } | |
195 | ||
196 | hobject_t *TestObjectStoreState::coll_entry_t::get_obj(int id) | |
197 | { | |
198 | return get_obj(id, false); | |
199 | } | |
200 | ||
201 | /** | |
202 | * remove_obj - Removes object without freeing it. | |
203 | * @param id Object's id in the map. | |
204 | * @return The object or NULL in case of error. | |
205 | */ | |
206 | hobject_t *TestObjectStoreState::coll_entry_t::remove_obj(int id) | |
207 | { | |
208 | return get_obj(id, true); | |
209 | } | |
210 | ||
211 | hobject_t *TestObjectStoreState::coll_entry_t::get_obj(int id, bool remove) | |
212 | { | |
213 | map<int, hobject_t*>::iterator it = m_objects.find(id); | |
214 | if (it == m_objects.end()) { | |
215 | dout(5) << "get_obj coll " << m_coll.to_str() | |
216 | << " obj #" << id << " non-existent" << dendl; | |
217 | return NULL; | |
218 | } | |
219 | ||
220 | hobject_t *obj = it->second; | |
221 | if (remove) | |
222 | m_objects.erase(it); | |
223 | ||
224 | dout(5) << "get_obj coll " << m_coll.to_str() << " id " << id | |
225 | << ": " << obj->oid.name << "(removed: " << remove << ")" << dendl; | |
226 | ||
227 | return obj; | |
228 | } | |
229 | ||
230 | hobject_t *TestObjectStoreState::coll_entry_t::get_obj_at(int pos, int *key) | |
231 | { | |
232 | return get_obj_at(pos, false, key); | |
233 | } | |
234 | ||
235 | /** | |
236 | * remove_obj_at - Removes object without freeing it. | |
237 | * @param pos The map's position in which the object lies. | |
238 | * @return The object or NULL in case of error. | |
239 | */ | |
240 | hobject_t *TestObjectStoreState::coll_entry_t::remove_obj_at(int pos, int *key) | |
241 | { | |
242 | return get_obj_at(pos, true, key); | |
243 | } | |
244 | ||
245 | hobject_t *TestObjectStoreState::coll_entry_t::get_obj_at(int pos, | |
246 | bool remove, int *key) | |
247 | { | |
248 | if (m_objects.empty()) { | |
249 | dout(5) << "get_obj_at coll " << m_coll.to_str() << " pos " << pos | |
250 | << " in an empty collection" << dendl; | |
251 | return NULL; | |
252 | } | |
253 | ||
254 | hobject_t *ret = NULL; | |
255 | map<int, hobject_t*>::iterator it = m_objects.begin(); | |
256 | for (int i = 0; it != m_objects.end(); ++it, i++) { | |
257 | if (i == pos) { | |
258 | ret = it->second; | |
259 | break; | |
260 | } | |
261 | } | |
262 | ||
263 | if (ret == NULL) { | |
264 | dout(5) << "get_obj_at coll " << m_coll.to_str() << " pos " << pos | |
265 | << " non-existent" << dendl; | |
266 | return NULL; | |
267 | } | |
268 | ||
269 | if (key != NULL) | |
270 | *key = it->first; | |
271 | ||
272 | if (remove) | |
273 | m_objects.erase(it); | |
274 | ||
275 | dout(5) << "get_obj_at coll id " << m_id << " pos " << pos | |
276 | << ": " << ret->oid.name << "(removed: " << remove << ")" << dendl; | |
277 | ||
278 | return ret; | |
279 | } | |
280 | ||
281 | hobject_t* | |
282 | TestObjectStoreState::coll_entry_t::replace_obj(int id, hobject_t *obj) { | |
283 | hobject_t *old_obj = remove_obj(id); | |
284 | m_objects.insert(make_pair(id, obj)); | |
285 | return old_obj; | |
286 | } | |
287 | ||
288 | int TestObjectStoreState::coll_entry_t::get_random_obj_id(rngen_t& gen) | |
289 | { | |
290 | ceph_assert(!m_objects.empty()); | |
291 | ||
292 | boost::uniform_int<> orig_obj_rng(0, m_objects.size()-1); | |
293 | int pos = orig_obj_rng(gen); | |
294 | map<int, hobject_t*>::iterator it = m_objects.begin(); | |
295 | for (int i = 0; it != m_objects.end(); ++it, i++) { | |
296 | if (i == pos) { | |
297 | return it->first; | |
298 | } | |
299 | } | |
300 | ceph_assert(0 == "INTERNAL ERROR"); | |
301 | } |