| Directory: | cvmfs/ |
|---|---|
| File: | cvmfs/reflog.cc |
| Date: | 2025-11-30 02:35:17 |
| Exec | Total | Coverage | |
|---|---|---|---|
| Lines: | 148 | 175 | 84.6% |
| Branches: | 87 | 181 | 48.1% |
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /** | ||
| 2 | * This file is part of the CernVM File System. | ||
| 3 | */ | ||
| 4 | |||
| 5 | #include "reflog.h" | ||
| 6 | |||
| 7 | #include <fcntl.h> | ||
| 8 | #include <unistd.h> | ||
| 9 | |||
| 10 | #include <cassert> | ||
| 11 | |||
| 12 | #include "util/posix.h" | ||
| 13 | #include "util/string.h" | ||
| 14 | |||
| 15 | namespace manifest { | ||
| 16 | |||
| 17 | 127 | Reflog *Reflog::Open(const std::string &database_path) { | |
| 18 |
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127 | Reflog *reflog = new Reflog(); |
| 19 |
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127 | if (NULL == reflog || !reflog->OpenDatabase(database_path)) { |
| 20 | ✗ | delete reflog; | |
| 21 | ✗ | return NULL; | |
| 22 | } | ||
| 23 | |||
| 24 |
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127 | LogCvmfs(kLogReflog, kLogDebug, |
| 25 | "opened Reflog database '%s' for repository '%s'", | ||
| 26 | 254 | database_path.c_str(), reflog->fqrn().c_str()); | |
| 27 | |||
| 28 | 127 | return reflog; | |
| 29 | } | ||
| 30 | |||
| 31 | |||
| 32 | 414 | Reflog *Reflog::Create(const std::string &database_path, | |
| 33 | const std::string &repo_name) { | ||
| 34 |
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414 | Reflog *reflog = new Reflog(); |
| 35 |
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414 | if (NULL == reflog || !reflog->CreateDatabase(database_path, repo_name)) { |
| 36 | ✗ | delete reflog; | |
| 37 | ✗ | return NULL; | |
| 38 | } | ||
| 39 | |||
| 40 | 414 | LogCvmfs(kLogReflog, kLogDebug, | |
| 41 | "created empty reflog database '%s' for " | ||
| 42 | "repository '%s'", | ||
| 43 | database_path.c_str(), repo_name.c_str()); | ||
| 44 | 414 | return reflog; | |
| 45 | } | ||
| 46 | |||
| 47 | |||
| 48 | 13 | bool Reflog::ReadChecksum(const std::string &path, shash::Any *checksum) { | |
| 49 |
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13 | const int fd = open(path.c_str(), O_RDONLY); |
| 50 |
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13 | if (fd < 0) { |
| 51 | ✗ | return false; | |
| 52 | } | ||
| 53 | 13 | std::string hex_hash; | |
| 54 |
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13 | const bool retval = GetLineFd(fd, &hex_hash); |
| 55 |
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13 | if (retval == 0) { |
| 56 | ✗ | close(fd); | |
| 57 | ✗ | return false; | |
| 58 | } | ||
| 59 |
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13 | close(fd); |
| 60 |
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13 | *checksum = shash::MkFromHexPtr(shash::HexPtr(Trim(hex_hash))); |
| 61 | 13 | return true; | |
| 62 | 13 | } | |
| 63 | |||
| 64 | |||
| 65 | 13 | bool Reflog::WriteChecksum(const std::string &path, const shash::Any &value) { | |
| 66 |
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13 | const int fd = open(path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, |
| 67 | kDefaultFileMode); | ||
| 68 |
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13 | if (fd < 0) { |
| 69 | ✗ | return false; | |
| 70 | } | ||
| 71 |
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13 | std::string hex_hash = value.ToString(); |
| 72 |
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13 | const bool retval = SafeWrite(fd, hex_hash.data(), hex_hash.length()); |
| 73 |
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13 | if (retval == 0) { |
| 74 | ✗ | close(fd); | |
| 75 | ✗ | return false; | |
| 76 | } | ||
| 77 |
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13 | close(fd); |
| 78 | 13 | return true; | |
| 79 | 13 | } | |
| 80 | |||
| 81 | |||
| 82 | 414 | bool Reflog::CreateDatabase(const std::string &database_path, | |
| 83 | const std::string &repo_name) { | ||
| 84 |
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414 | assert(!database_.IsValid()); |
| 85 | 414 | database_ = ReflogDatabase::Create(database_path); | |
| 86 |
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414 | if (!database_.IsValid() || !database_->InsertInitialValues(repo_name)) { |
| 87 | ✗ | LogCvmfs(kLogReflog, kLogDebug, "failed to initialize empty database '%s'", | |
| 88 | database_path.c_str()); | ||
| 89 | ✗ | return false; | |
| 90 | } | ||
| 91 | |||
| 92 | 414 | PrepareQueries(); | |
| 93 | 414 | return true; | |
| 94 | } | ||
| 95 | |||
| 96 | |||
| 97 | 127 | bool Reflog::OpenDatabase(const std::string &database_path) { | |
| 98 |
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127 | assert(!database_.IsValid()); |
| 99 | |||
| 100 | 127 | const ReflogDatabase::OpenMode mode = ReflogDatabase::kOpenReadWrite; | |
| 101 | 127 | database_ = ReflogDatabase::Open(database_path, mode); | |
| 102 |
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127 | if (!database_.IsValid()) { |
| 103 | ✗ | return false; | |
| 104 | } | ||
| 105 | |||
| 106 | 127 | PrepareQueries(); | |
| 107 | 127 | return true; | |
| 108 | } | ||
| 109 | |||
| 110 | |||
| 111 | 541 | void Reflog::PrepareQueries() { | |
| 112 |
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541 | assert(database_.IsValid()); |
| 113 |
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541 | insert_reference_ = new SqlInsertReference(database_.weak_ref()); |
| 114 |
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541 | count_references_ = new SqlCountReferences(database_.weak_ref()); |
| 115 |
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541 | list_references_ = new SqlListReferences(database_.weak_ref()); |
| 116 |
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541 | remove_reference_ = new SqlRemoveReference(database_.weak_ref()); |
| 117 |
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541 | contains_reference_ = new SqlContainsReference(database_.weak_ref()); |
| 118 |
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541 | get_timestamp_ = new SqlGetTimestamp(database_.weak_ref()); |
| 119 | 541 | } | |
| 120 | |||
| 121 | |||
| 122 | 91 | bool Reflog::AddCertificate(const shash::Any &certificate) { | |
| 123 |
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91 | assert(certificate.HasSuffix() |
| 124 | && certificate.suffix == shash::kSuffixCertificate); | ||
| 125 | 91 | return AddReference(certificate, SqlReflog::kRefCertificate); | |
| 126 | } | ||
| 127 | |||
| 128 | |||
| 129 | 130 | bool Reflog::AddCatalog(const shash::Any &catalog) { | |
| 130 |
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130 | assert(catalog.HasSuffix() && catalog.suffix == shash::kSuffixCatalog); |
| 131 | 130 | return AddReference(catalog, SqlReflog::kRefCatalog); | |
| 132 | } | ||
| 133 | |||
| 134 | |||
| 135 | 52 | bool Reflog::AddHistory(const shash::Any &history) { | |
| 136 |
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52 | assert(history.HasSuffix() && history.suffix == shash::kSuffixHistory); |
| 137 | 52 | return AddReference(history, SqlReflog::kRefHistory); | |
| 138 | } | ||
| 139 | |||
| 140 | |||
| 141 | 91 | bool Reflog::AddMetainfo(const shash::Any &metainfo) { | |
| 142 |
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91 | assert(metainfo.HasSuffix() && metainfo.suffix == shash::kSuffixMetainfo); |
| 143 | 91 | return AddReference(metainfo, SqlReflog::kRefMetainfo); | |
| 144 | } | ||
| 145 | |||
| 146 | |||
| 147 | 104 | uint64_t Reflog::CountEntries() { | |
| 148 |
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104 | assert(database_.IsValid()); |
| 149 | 104 | const bool success_exec = count_references_->Execute(); | |
| 150 |
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104 | assert(success_exec); |
| 151 | 104 | const uint64_t count = count_references_->RetrieveCount(); | |
| 152 | 104 | const bool success_reset = count_references_->Reset(); | |
| 153 |
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104 | assert(success_reset); |
| 154 | 104 | return count; | |
| 155 | } | ||
| 156 | |||
| 157 | |||
| 158 | 52 | bool Reflog::List(SqlReflog::ReferenceType type, | |
| 159 | std::vector<shash::Any> *hashes) const { | ||
| 160 | 52 | return ListOlderThan(type, static_cast<uint64_t>(-1), hashes); | |
| 161 | } | ||
| 162 | |||
| 163 | |||
| 164 | 91 | bool Reflog::ListOlderThan(SqlReflog::ReferenceType type, | |
| 165 | uint64_t timestamp, | ||
| 166 | std::vector<shash::Any> *hashes) const { | ||
| 167 |
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91 | assert(database_.IsValid()); |
| 168 |
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91 | assert(NULL != hashes); |
| 169 | |||
| 170 | 91 | hashes->clear(); | |
| 171 | |||
| 172 | 91 | bool success_bind = list_references_->BindType(type); | |
| 173 |
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91 | assert(success_bind); |
| 174 | 91 | success_bind = list_references_->BindOlderThan(timestamp); | |
| 175 |
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91 | assert(success_bind); |
| 176 |
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260 | while (list_references_->FetchRow()) { |
| 177 |
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169 | hashes->push_back(list_references_->RetrieveHash()); |
| 178 | } | ||
| 179 | |||
| 180 | 91 | return list_references_->Reset(); | |
| 181 | } | ||
| 182 | |||
| 183 | |||
| 184 | 52 | bool Reflog::Remove(const shash::Any &hash) { | |
| 185 |
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52 | assert(database_.IsValid()); |
| 186 | |||
| 187 | SqlReflog::ReferenceType type; | ||
| 188 |
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52 | switch (hash.suffix) { |
| 189 | 13 | case shash::kSuffixCatalog: | |
| 190 | 13 | type = SqlReflog::kRefCatalog; | |
| 191 | 13 | break; | |
| 192 | 13 | case shash::kSuffixHistory: | |
| 193 | 13 | type = SqlReflog::kRefHistory; | |
| 194 | 13 | break; | |
| 195 | 13 | case shash::kSuffixCertificate: | |
| 196 | 13 | type = SqlReflog::kRefCertificate; | |
| 197 | 13 | break; | |
| 198 | 13 | case shash::kSuffixMetainfo: | |
| 199 | 13 | type = SqlReflog::kRefMetainfo; | |
| 200 | 13 | break; | |
| 201 | ✗ | default: | |
| 202 | ✗ | return false; | |
| 203 | } | ||
| 204 | |||
| 205 | 52 | return remove_reference_->BindReference(hash, type) | |
| 206 |
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52 | && remove_reference_->Execute() && remove_reference_->Reset(); |
| 207 | } | ||
| 208 | |||
| 209 | |||
| 210 | 52 | bool Reflog::ContainsCertificate(const shash::Any &certificate) const { | |
| 211 |
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52 | assert(certificate.HasSuffix() |
| 212 | && certificate.suffix == shash::kSuffixCertificate); | ||
| 213 | 52 | return ContainsReference(certificate, SqlReflog::kRefCertificate); | |
| 214 | } | ||
| 215 | |||
| 216 | |||
| 217 | 52 | bool Reflog::ContainsCatalog(const shash::Any &catalog) const { | |
| 218 |
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52 | assert(catalog.HasSuffix() && catalog.suffix == shash::kSuffixCatalog); |
| 219 | 52 | return ContainsReference(catalog, SqlReflog::kRefCatalog); | |
| 220 | } | ||
| 221 | |||
| 222 | |||
| 223 | 26 | bool Reflog::GetCatalogTimestamp(const shash::Any &catalog, | |
| 224 | uint64_t *timestamp) const { | ||
| 225 |
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26 | assert(catalog.HasSuffix() && catalog.suffix == shash::kSuffixCatalog); |
| 226 | 26 | const bool result = GetReferenceTimestamp(catalog, SqlReflog::kRefCatalog, | |
| 227 | timestamp); | ||
| 228 | 26 | return result; | |
| 229 | } | ||
| 230 | |||
| 231 | |||
| 232 | 52 | bool Reflog::ContainsHistory(const shash::Any &history) const { | |
| 233 |
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52 | assert(history.HasSuffix() && history.suffix == shash::kSuffixHistory); |
| 234 | 52 | return ContainsReference(history, SqlReflog::kRefHistory); | |
| 235 | } | ||
| 236 | |||
| 237 | |||
| 238 | 52 | bool Reflog::ContainsMetainfo(const shash::Any &metainfo) const { | |
| 239 |
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52 | assert(metainfo.HasSuffix() && metainfo.suffix == shash::kSuffixMetainfo); |
| 240 | 52 | return ContainsReference(metainfo, SqlReflog::kRefMetainfo); | |
| 241 | } | ||
| 242 | |||
| 243 | |||
| 244 | 364 | bool Reflog::AddReference(const shash::Any &hash, | |
| 245 | const SqlReflog::ReferenceType type) { | ||
| 246 | 364 | return insert_reference_->BindReference(hash, type) | |
| 247 |
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364 | && insert_reference_->Execute() && insert_reference_->Reset(); |
| 248 | } | ||
| 249 | |||
| 250 | |||
| 251 | 208 | bool Reflog::ContainsReference(const shash::Any &hash, | |
| 252 | const SqlReflog::ReferenceType type) const { | ||
| 253 | 208 | const bool fetching = contains_reference_->BindReference(hash, type) | |
| 254 |
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208 | && contains_reference_->FetchRow(); |
| 255 |
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208 | assert(fetching); |
| 256 | |||
| 257 | 208 | const bool answer = contains_reference_->RetrieveAnswer(); | |
| 258 | 208 | const bool reset = contains_reference_->Reset(); | |
| 259 |
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208 | assert(reset); |
| 260 | |||
| 261 | 208 | return answer; | |
| 262 | } | ||
| 263 | |||
| 264 | |||
| 265 | 26 | bool Reflog::GetReferenceTimestamp(const shash::Any &hash, | |
| 266 | const SqlReflog::ReferenceType type, | ||
| 267 | uint64_t *timestamp) const { | ||
| 268 | 26 | const bool retval = get_timestamp_->BindReference(hash, type) | |
| 269 |
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26 | && get_timestamp_->FetchRow(); |
| 270 | |||
| 271 |
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26 | if (retval) { |
| 272 | 13 | *timestamp = get_timestamp_->RetrieveTimestamp(); | |
| 273 | } | ||
| 274 | |||
| 275 | 26 | const bool reset = get_timestamp_->Reset(); | |
| 276 |
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26 | assert(reset); |
| 277 | |||
| 278 | 26 | return retval; | |
| 279 | } | ||
| 280 | |||
| 281 | |||
| 282 | ✗ | void Reflog::BeginTransaction() { | |
| 283 | ✗ | assert(database_.IsValid()); | |
| 284 | ✗ | database_->BeginTransaction(); | |
| 285 | } | ||
| 286 | |||
| 287 | |||
| 288 | ✗ | void Reflog::CommitTransaction() { | |
| 289 | ✗ | assert(database_.IsValid()); | |
| 290 | ✗ | database_->CommitTransaction(); | |
| 291 | } | ||
| 292 | |||
| 293 | |||
| 294 | 62 | void Reflog::TakeDatabaseFileOwnership() { | |
| 295 |
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62 | assert(database_.IsValid()); |
| 296 | 62 | database_->TakeFileOwnership(); | |
| 297 | 62 | } | |
| 298 | |||
| 299 | |||
| 300 | ✗ | void Reflog::DropDatabaseFileOwnership() { | |
| 301 | ✗ | assert(database_.IsValid()); | |
| 302 | ✗ | database_->DropFileOwnership(); | |
| 303 | } | ||
| 304 | |||
| 305 | |||
| 306 | /** | ||
| 307 | * Use only once the database was closed. | ||
| 308 | */ | ||
| 309 | 403 | void Reflog::HashDatabase(const std::string &database_path, | |
| 310 | shash::Any *hash_reflog) { | ||
| 311 | 403 | const bool retval = HashFile(database_path, hash_reflog); | |
| 312 |
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403 | assert(retval); |
| 313 | 403 | } | |
| 314 | |||
| 315 | |||
| 316 | 270 | std::string Reflog::fqrn() const { | |
| 317 |
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270 | assert(database_.IsValid()); |
| 318 | 270 | return database_->GetProperty<std::string>(ReflogDatabase::kFqrnKey); | |
| 319 | } | ||
| 320 | |||
| 321 | |||
| 322 | ✗ | std::string Reflog::database_file() const { | |
| 323 | ✗ | assert(database_.IsValid()); | |
| 324 | ✗ | return database_->filename(); | |
| 325 | } | ||
| 326 | |||
| 327 | } // namespace manifest | ||
| 328 |