Igor Murashkin | 03e5b05 | 2019-10-03 16:39:50 -0700 | [diff] [blame] | 1 | // Copyright (C) 2019 The Android Open Source Project |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | #ifndef IORAP_SRC_DB_MODELS_H_ |
| 16 | #define IORAP_SRC_DB_MODELS_H_ |
| 17 | |
| 18 | #include <android-base/logging.h> |
| 19 | |
| 20 | #include <optional> |
| 21 | #include <ostream> |
| 22 | #include <string> |
| 23 | #include <sstream> |
| 24 | #include <type_traits> |
| 25 | |
| 26 | #include <sqlite3.h> |
| 27 | |
| 28 | namespace iorap::db { |
| 29 | |
| 30 | struct SqliteDbDeleter { |
| 31 | void operator()(sqlite3* db) { |
| 32 | if (db != nullptr) { |
| 33 | LOG(VERBOSE) << "sqlite3_close for: " << db; |
| 34 | sqlite3_close(db); |
| 35 | } |
| 36 | } |
| 37 | }; |
| 38 | |
| 39 | class DbHandle { |
| 40 | public: |
| 41 | // Take over ownership of sqlite3 db. |
| 42 | explicit DbHandle(sqlite3* db) |
| 43 | : db_{std::shared_ptr<sqlite3>{db, SqliteDbDeleter{}}}, |
| 44 | mutex_{std::make_shared<std::mutex>()} { |
| 45 | } |
| 46 | |
| 47 | sqlite3* get() { |
| 48 | return db_.get(); |
| 49 | } |
| 50 | |
| 51 | operator sqlite3*() { |
| 52 | return db_.get(); |
| 53 | } |
| 54 | |
| 55 | std::mutex& mutex() { |
| 56 | return *mutex_.get(); |
| 57 | } |
| 58 | |
| 59 | private: |
| 60 | std::shared_ptr<sqlite3> db_; |
| 61 | std::shared_ptr<std::mutex> mutex_; |
| 62 | }; |
| 63 | |
| 64 | class ScopedLockDb { |
| 65 | public: |
| 66 | ScopedLockDb(std::mutex& mutex) : mutex(mutex) { |
| 67 | mutex.lock(); |
| 68 | } |
| 69 | |
| 70 | ScopedLockDb(DbHandle& handle) : ScopedLockDb(handle.mutex()) { |
| 71 | } |
| 72 | |
| 73 | ~ScopedLockDb() { |
| 74 | mutex.unlock(); |
| 75 | } |
| 76 | private: |
| 77 | std::mutex& mutex; |
| 78 | }; |
| 79 | |
| 80 | class DbStatement { |
| 81 | public: |
| 82 | template <typename ... Args> |
| 83 | static DbStatement Prepare(DbHandle db, const std::string& sql, Args&&... args) { |
| 84 | return Prepare(db, sql.c_str(), std::forward<Args>(args)...); |
| 85 | } |
| 86 | |
| 87 | template <typename ... Args> |
| 88 | static DbStatement Prepare(DbHandle db, const char* sql, Args&&... args) { |
| 89 | DCHECK(db.get() != nullptr); |
| 90 | DCHECK(sql != nullptr); |
| 91 | |
| 92 | // LOG(VERBOSE) << "Prepare DB=" << db.get(); |
| 93 | |
| 94 | sqlite3_stmt* stmt = nullptr; |
| 95 | int rc = sqlite3_prepare_v2(db.get(), sql, -1, /*out*/&stmt, nullptr); |
| 96 | |
| 97 | DbStatement db_stmt{db, stmt}; |
| 98 | DCHECK(db_stmt.CheckOk(rc)) << sql; |
| 99 | db_stmt.BindAll(std::forward<Args>(args)...); |
| 100 | |
| 101 | return db_stmt; |
| 102 | } |
| 103 | |
| 104 | DbStatement(DbHandle db, sqlite3_stmt* stmt) : db_(db), stmt_(stmt) { |
| 105 | } |
| 106 | |
| 107 | sqlite3_stmt* get() { |
| 108 | return stmt_; |
| 109 | } |
| 110 | |
| 111 | DbHandle db() { |
| 112 | return db_; |
| 113 | } |
| 114 | |
| 115 | template <typename T, typename ... Args> |
| 116 | void BindAll(T&& arg, Args&&... args) { |
| 117 | Bind(std::forward<T>(arg)); |
| 118 | BindAll(std::forward<Args>(args)...); |
| 119 | } |
| 120 | |
| 121 | void BindAll() {} |
| 122 | |
| 123 | template <typename T> |
| 124 | void Bind(const std::optional<T>& value) { |
| 125 | if (value) { |
| 126 | Bind(*value); |
| 127 | } else { |
| 128 | BindNull(); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | void Bind(bool value) { |
| 133 | CheckOk(sqlite3_bind_int(stmt_, bind_counter_++, value)); |
| 134 | } |
| 135 | |
| 136 | void Bind(int value) { |
| 137 | CheckOk(sqlite3_bind_int(stmt_, bind_counter_++, value)); |
| 138 | } |
| 139 | |
| 140 | void Bind(uint64_t value) { |
| 141 | CheckOk(sqlite3_bind_int64(stmt_, bind_counter_++, static_cast<int64_t>(value))); |
| 142 | } |
| 143 | |
| 144 | void Bind(const char* value) { |
| 145 | if (value != nullptr) { |
| 146 | //sqlite3_bind_text(stmt_, /*index*/bind_counter_++, value, -1, SQLITE_STATIC); |
| 147 | CheckOk(sqlite3_bind_text(stmt_, /*index*/bind_counter_++, value, -1, SQLITE_TRANSIENT)); |
| 148 | } else { |
| 149 | BindNull(); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | void Bind(const std::string& value) { |
| 154 | Bind(value.c_str()); |
| 155 | } |
| 156 | |
| 157 | template <typename E, typename = std::enable_if_t<std::is_enum_v<E>>> |
| 158 | void Bind(E value) { |
| 159 | Bind(static_cast<std::underlying_type_t<E>>(value)); |
| 160 | } |
| 161 | |
| 162 | void BindNull() { |
| 163 | CheckOk(sqlite3_bind_null(stmt_, bind_counter_++)); |
| 164 | } |
| 165 | |
| 166 | int Step() { |
| 167 | ++step_counter_; |
| 168 | return sqlite3_step(stmt_); |
| 169 | } |
| 170 | |
| 171 | bool Step(int expected) { |
| 172 | int rc = Step(); |
| 173 | if (rc != expected) { |
| 174 | LOG(ERROR) << "SQLite error: " << sqlite3_errmsg(db_.get()); |
| 175 | return false; |
| 176 | } |
| 177 | return true; |
| 178 | } |
| 179 | |
| 180 | template <typename T, typename ... Args> |
| 181 | void ColumnAll(T& first, Args&... rest) { |
| 182 | Column(first); |
| 183 | ColumnAll(rest...); |
| 184 | } |
| 185 | |
| 186 | void ColumnAll() {} |
| 187 | |
| 188 | template <typename T> |
| 189 | void Column(std::optional<T>& value) { |
| 190 | T tmp; |
| 191 | Column(/*out*/tmp); |
| 192 | |
| 193 | if (!tmp) { // disambiguate 0 and NULL |
| 194 | const unsigned char* text = sqlite3_column_text(stmt_, column_counter_ - 1); |
| 195 | if (text == nullptr) { |
| 196 | value = std::nullopt; |
| 197 | return; |
| 198 | } |
| 199 | } |
| 200 | value = std::move(tmp); |
| 201 | } |
| 202 | |
| 203 | template <typename E, typename = std::enable_if_t<std::is_enum_v<E>>> |
| 204 | void Column(E& value) { |
| 205 | std::underlying_type_t<E> tmp; |
| 206 | Column(/*out*/tmp); |
| 207 | value = static_cast<E>(tmp); |
| 208 | } |
| 209 | |
| 210 | void Column(bool& value) { |
| 211 | value = sqlite3_column_int(stmt_, column_counter_++); |
| 212 | } |
| 213 | |
| 214 | void Column(int& value) { |
| 215 | value = sqlite3_column_int(stmt_, column_counter_++); |
| 216 | } |
| 217 | |
| 218 | void Column(uint64_t& value) { |
| 219 | value = static_cast<uint64_t>(sqlite3_column_int64(stmt_, column_counter_++)); |
| 220 | } |
| 221 | |
| 222 | void Column(std::string& value) { |
| 223 | const unsigned char* text = sqlite3_column_text(stmt_, column_counter_++); |
| 224 | value = std::string{reinterpret_cast<const char*>(text)}; |
| 225 | } |
| 226 | |
| 227 | const char* ExpandedSql() { |
| 228 | char* p = sqlite3_expanded_sql(stmt_); |
| 229 | if (p == nullptr) { |
| 230 | return "(nullptr)"; |
| 231 | } |
| 232 | return p; |
| 233 | } |
| 234 | |
| 235 | const char* Sql() { |
| 236 | const char* p = sqlite3_sql(stmt_); |
| 237 | if (p == nullptr) { |
| 238 | return "(nullptr)"; |
| 239 | } |
| 240 | return p; |
| 241 | } |
| 242 | |
| 243 | |
| 244 | DbStatement(DbStatement&& other) |
| 245 | : db_{other.db_}, stmt_{other.stmt_}, bind_counter_{other.bind_counter_}, |
| 246 | step_counter_{other.step_counter_} { |
| 247 | other.db_ = DbHandle{nullptr}; |
| 248 | other.stmt_ = nullptr; |
| 249 | } |
| 250 | |
| 251 | ~DbStatement() { |
| 252 | if (stmt_ != nullptr) { |
| 253 | DCHECK_GT(step_counter_, 0) << " forgot to call Step()?"; |
| 254 | sqlite3_finalize(stmt_); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | private: |
| 259 | bool CheckOk(int rc, int expected = SQLITE_OK) { |
| 260 | if (rc != expected) { |
| 261 | LOG(ERROR) << "Got error for SQL query: '" << Sql() << "'" |
| 262 | << ", expanded: '" << ExpandedSql() << "'"; |
| 263 | LOG(ERROR) << "Failed SQLite api call (" << rc << "): " << sqlite3_errstr(rc); |
| 264 | } |
| 265 | return rc == expected; |
| 266 | } |
| 267 | |
| 268 | DbHandle db_; |
| 269 | sqlite3_stmt* stmt_; |
| 270 | int bind_counter_ = 1; |
| 271 | int step_counter_ = 0; |
| 272 | int column_counter_ = 0; |
| 273 | }; |
| 274 | |
| 275 | class DbQueryBuilder { |
| 276 | public: |
| 277 | // Returns the row ID that was inserted last. |
| 278 | template <typename... Args> |
| 279 | static std::optional<int> Insert(DbHandle db, const std::string& sql, Args&&... args) { |
| 280 | ScopedLockDb lock{db}; |
| 281 | |
| 282 | sqlite3_int64 last_rowid = sqlite3_last_insert_rowid(db.get()); |
| 283 | DbStatement stmt = DbStatement::Prepare(db, sql, std::forward<Args>(args)...); |
| 284 | |
| 285 | if (!stmt.Step(SQLITE_DONE)) { |
| 286 | return std::nullopt; |
| 287 | } |
| 288 | |
| 289 | last_rowid = sqlite3_last_insert_rowid(db.get()); |
| 290 | DCHECK_GT(last_rowid, 0); |
| 291 | |
| 292 | return static_cast<int>(last_rowid); |
| 293 | } |
| 294 | |
| 295 | template <typename... Args> |
| 296 | static bool SelectOnce(DbStatement& stmt, Args&... args) { |
| 297 | int rc = stmt.Step(); |
| 298 | switch (rc) { |
| 299 | case SQLITE_ROW: |
| 300 | stmt.ColumnAll(/*out*/args...); |
| 301 | return true; |
| 302 | case SQLITE_DONE: |
| 303 | return false; |
| 304 | default: |
| 305 | LOG(ERROR) << "Failed to step (" << rc << "): " << sqlite3_errmsg(stmt.db()); |
| 306 | return false; |
| 307 | } |
| 308 | } |
| 309 | }; |
| 310 | |
| 311 | class Model { |
| 312 | public: |
| 313 | DbHandle db() const { |
| 314 | return db_; |
| 315 | } |
| 316 | |
| 317 | Model(DbHandle db) : db_{db} { |
| 318 | } |
| 319 | |
| 320 | private: |
| 321 | DbHandle db_; |
| 322 | }; |
| 323 | |
| 324 | class SchemaModel : public Model { |
| 325 | public: |
| 326 | static SchemaModel GetOrCreate(std::string location) { |
| 327 | int rc = sqlite3_config(SQLITE_CONFIG_LOG, ErrorLogCallback, /*data*/nullptr); |
| 328 | |
| 329 | if (rc != SQLITE_OK) { |
| 330 | LOG(FATAL) << "Failed to configure logging"; |
| 331 | } |
| 332 | |
| 333 | sqlite3* db = nullptr; |
| 334 | if (location != ":memory:") { |
| 335 | // Try to open DB if it already exists. |
| 336 | rc = sqlite3_open_v2(location.c_str(), /*out*/&db, SQLITE_OPEN_READWRITE, /*vfs*/nullptr); |
| 337 | |
| 338 | if (rc == SQLITE_OK) { |
| 339 | LOG(INFO) << "Opened existing database at '" << location << "'"; |
| 340 | return SchemaModel{DbHandle{db}, location}; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | // Create a new DB if one didn't exist already. |
| 345 | rc = sqlite3_open(location.c_str(), /*out*/&db); |
| 346 | |
| 347 | if (rc != SQLITE_OK) { |
| 348 | LOG(FATAL) << "Failed to open DB: " << sqlite3_errmsg(db); |
| 349 | } |
| 350 | |
| 351 | SchemaModel schema{DbHandle{db}, location}; |
| 352 | schema.Reinitialize(); |
| 353 | // TODO: migrate versions upwards when we rev the schema version |
| 354 | |
| 355 | int old_version = schema.Version(); |
| 356 | LOG(VERBOSE) << "Loaded schema version: " << old_version; |
| 357 | |
| 358 | return schema; |
| 359 | } |
| 360 | |
| 361 | void MarkSingleton() { |
| 362 | s_singleton_ = db(); |
| 363 | } |
| 364 | |
| 365 | static DbHandle GetSingleton() { |
| 366 | DCHECK(s_singleton_.has_value()); |
| 367 | return *s_singleton_; |
| 368 | } |
| 369 | |
| 370 | void Reinitialize() { |
| 371 | const char* sql_to_initialize = R"SQLC0D3( |
| 372 | DROP TABLE IF EXISTS schema_versions; |
| 373 | DROP TABLE IF EXISTS packages; |
| 374 | DROP TABLE IF EXISTS activities; |
| 375 | DROP TABLE IF EXISTS app_launch_histories; |
| 376 | DROP TABLE IF EXISTS raw_traces; |
| 377 | DROP TABLE IF EXISTS prefetch_files; |
| 378 | )SQLC0D3"; |
| 379 | char* err_msg = nullptr; |
| 380 | int rc = sqlite3_exec(db().get(), |
| 381 | sql_to_initialize, |
| 382 | /*callback*/nullptr, |
| 383 | /*arg*/0, |
| 384 | /*out*/&err_msg); |
| 385 | if (rc != SQLITE_OK) { |
| 386 | LOG(FATAL) << "Failed to drop tables: " << err_msg ? err_msg : "nullptr"; |
| 387 | } |
| 388 | |
| 389 | CreateSchema(); |
| 390 | LOG(INFO) << "Reinitialized database at '" << location_ << "'"; |
| 391 | } |
| 392 | |
| 393 | int Version() { |
| 394 | std::string query = "SELECT MAX(version) FROM schema_versions;"; |
| 395 | DbStatement stmt = DbStatement::Prepare(db(), query); |
| 396 | |
| 397 | int return_value = 0; |
| 398 | if (!DbQueryBuilder::SelectOnce(stmt, /*out*/return_value)) { |
| 399 | LOG(ERROR) << "Failed to query schema version"; |
| 400 | return -1; |
| 401 | } |
| 402 | |
| 403 | return return_value; |
| 404 | } |
| 405 | |
| 406 | protected: |
| 407 | SchemaModel(DbHandle db, std::string location) : Model{db}, location_(location) { |
| 408 | } |
| 409 | |
| 410 | private: |
| 411 | static std::optional<DbHandle> s_singleton_; |
| 412 | |
| 413 | void CreateSchema() { |
| 414 | const char* sql_to_initialize = R"SQLC0D3( |
| 415 | CREATE TABLE schema_versions( |
| 416 | version INTEGER NOT NULL |
| 417 | ); |
| 418 | INSERT INTO schema_versions VALUES(1); |
| 419 | |
| 420 | CREATE TABLE packages( |
| 421 | id INTEGER NOT NULL, |
| 422 | name TEXT NOT NULL, |
| 423 | version INTEGER, |
| 424 | |
| 425 | PRIMARY KEY(id) |
| 426 | ); |
| 427 | |
| 428 | CREATE TABLE activities( |
| 429 | id INTEGER NOT NULL, |
| 430 | name TEXT NOT NULL, |
| 431 | package_id INTEGER NOT NULL, |
| 432 | |
| 433 | PRIMARY KEY(id), |
| 434 | FOREIGN KEY (package_id) REFERENCES packages (id) |
| 435 | ); |
| 436 | |
| 437 | CREATE TABLE app_launch_histories( |
| 438 | id INTEGER NOT NULL PRIMARY KEY, |
| 439 | activity_id INTEGER NOT NULL, |
| 440 | -- 1:Cold, 2:Warm, 3:Hot |
| 441 | temperature INTEGER CHECK (temperature IN (1, 2, 3)) NOT NULL, |
| 442 | trace_enabled INTEGER CHECK(trace_enabled in (TRUE, FALSE)) NOT NULL, |
| 443 | readahead_enabled INTEGER CHECK(trace_enabled in (TRUE, FALSE)) NOT NULL, |
| 444 | -- absolute timestamp since epoch |
| 445 | intent_started_ns INTEGER CHECK(intent_started_ns IS NULL or intent_started_ns >= 0), |
| 446 | -- absolute timestamp since epoch |
| 447 | total_time_ns INTEGER CHECK(total_time_ns IS NULL or total_time_ns >= 0), |
| 448 | -- absolute timestamp since epoch |
| 449 | report_fully_drawn_ns INTEGER CHECK(report_fully_drawn_ns IS NULL or report_fully_drawn_ns >= 0), |
| 450 | |
| 451 | FOREIGN KEY (activity_id) REFERENCES activities (id) |
| 452 | ); |
| 453 | |
| 454 | CREATE TABLE raw_traces( |
| 455 | id INTEGER NOT NULL PRIMARY KEY, |
| 456 | history_id INTEGER NOT NULL, |
| 457 | file_path TEXT NOT NULL, |
| 458 | |
| 459 | FOREIGN KEY (history_id) REFERENCES app_launch_histories (id) |
| 460 | ); |
| 461 | |
| 462 | CREATE TABLE prefetch_files( |
| 463 | id INTEGER NOT NULL PRIMARY KEY, |
| 464 | activity_id INTEGER NOT NULL, |
| 465 | file_path TEXT NOT NULL, |
| 466 | |
| 467 | FOREIGN KEY (activity_id) REFERENCES activities (id) |
| 468 | ); |
| 469 | )SQLC0D3"; |
| 470 | |
| 471 | char* err_msg = nullptr; |
| 472 | int rc = sqlite3_exec(db().get(), |
| 473 | sql_to_initialize, |
| 474 | /*callback*/nullptr, |
| 475 | /*arg*/0, |
| 476 | /*out*/&err_msg); |
| 477 | |
| 478 | if (rc != SQLITE_OK) { |
| 479 | LOG(FATAL) << "Failed to create tables: " << err_msg ? err_msg : "nullptr"; |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | static void ErrorLogCallback(void *pArg, int iErrCode, const char *zMsg) { |
| 484 | LOG(ERROR) << "SQLite error (" << iErrCode << "): " << zMsg; |
| 485 | } |
| 486 | |
| 487 | std::string location_; |
| 488 | }; |
| 489 | |
| 490 | class PackageModel : public Model { |
| 491 | protected: |
| 492 | PackageModel(DbHandle db) : Model{db} { |
| 493 | } |
| 494 | |
| 495 | public: |
| 496 | static std::optional<PackageModel> SelectById(DbHandle db, int id) { |
| 497 | ScopedLockDb lock{db}; |
| 498 | int original_id = id; |
| 499 | |
| 500 | std::string query = "SELECT * FROM packages WHERE id = ?1 LIMIT 1;"; |
| 501 | DbStatement stmt = DbStatement::Prepare(db, query, id); |
| 502 | |
| 503 | PackageModel p{db}; |
| 504 | if (!DbQueryBuilder::SelectOnce(stmt, p.id, p.name, p.version)) { |
| 505 | return std::nullopt; |
| 506 | } |
| 507 | |
| 508 | return p; |
| 509 | } |
| 510 | |
| 511 | static std::optional<PackageModel> SelectByName(DbHandle db, const char* name) { |
| 512 | ScopedLockDb lock{db}; |
| 513 | |
| 514 | std::string query = "SELECT * FROM packages WHERE name = ?1 LIMIT 1;"; |
| 515 | DbStatement stmt = DbStatement::Prepare(db, query, name); |
| 516 | |
| 517 | PackageModel p{db}; |
| 518 | if (!DbQueryBuilder::SelectOnce(stmt, p.id, p.name, p.version)) { |
| 519 | return std::nullopt; |
| 520 | } |
| 521 | |
| 522 | return p; |
| 523 | } |
| 524 | |
| 525 | static std::optional<PackageModel> Insert(DbHandle db, |
| 526 | std::string name, |
| 527 | std::optional<int> version) { |
| 528 | const char* sql = "INSERT INTO packages (name, version) VALUES (?1, ?2);"; |
| 529 | |
| 530 | std::optional<int> inserted_row_id = |
| 531 | DbQueryBuilder::Insert(db, sql, name, version); |
| 532 | if (!inserted_row_id) { |
| 533 | return std::nullopt; |
| 534 | } |
| 535 | |
| 536 | PackageModel p{db}; |
| 537 | p.name = name; |
| 538 | p.version = version; |
| 539 | p.id = *inserted_row_id; |
| 540 | |
| 541 | return p; |
| 542 | } |
| 543 | |
| 544 | int id; |
| 545 | std::string name; |
| 546 | std::optional<int> version; |
| 547 | }; |
| 548 | |
| 549 | inline std::ostream& operator<<(std::ostream& os, const PackageModel& p) { |
| 550 | os << "PackageModel{id=" << p.id << ",name=" << p.name << ","; |
| 551 | os << "version="; |
| 552 | if (p.version) { |
| 553 | os << *p.version; |
| 554 | } else { |
| 555 | os << "(nullopt)"; |
| 556 | } |
| 557 | os << "}"; |
| 558 | return os; |
| 559 | } |
| 560 | |
| 561 | class ActivityModel : public Model { |
| 562 | protected: |
| 563 | ActivityModel(DbHandle db) : Model{db} { |
| 564 | } |
| 565 | |
| 566 | public: |
| 567 | static std::optional<ActivityModel> SelectById(DbHandle db, int id) { |
| 568 | ScopedLockDb lock{db}; |
| 569 | int original_id = id; |
| 570 | |
| 571 | std::string query = "SELECT * FROM activities WHERE id = ? LIMIT 1;"; |
| 572 | DbStatement stmt = DbStatement::Prepare(db, query, id); |
| 573 | |
| 574 | ActivityModel p{db}; |
| 575 | if (!DbQueryBuilder::SelectOnce(stmt, p.id, p.name, p.package_id)) { |
| 576 | return std::nullopt; |
| 577 | } |
| 578 | |
| 579 | return p; |
| 580 | } |
| 581 | |
| 582 | static std::optional<ActivityModel> SelectByNameAndPackageId(DbHandle db, |
| 583 | const char* name, |
| 584 | int package_id) { |
| 585 | ScopedLockDb lock{db}; |
| 586 | |
| 587 | std::string query = "SELECT * FROM activities WHERE name = ? AND package_id = ? LIMIT 1;"; |
| 588 | DbStatement stmt = DbStatement::Prepare(db, query, name, package_id); |
| 589 | |
| 590 | ActivityModel p{db}; |
| 591 | if (!DbQueryBuilder::SelectOnce(stmt, p.id, p.name, p.package_id)) { |
| 592 | return std::nullopt; |
| 593 | } |
| 594 | |
| 595 | return p; |
| 596 | } |
| 597 | |
| 598 | static std::optional<ActivityModel> Insert(DbHandle db, |
| 599 | std::string name, |
| 600 | int package_id) { |
| 601 | const char* sql = "INSERT INTO activities (name, package_id) VALUES (?1, ?2);"; |
| 602 | |
| 603 | std::optional<int> inserted_row_id = |
| 604 | DbQueryBuilder::Insert(db, sql, name, package_id); |
| 605 | if (!inserted_row_id) { |
| 606 | return std::nullopt; |
| 607 | } |
| 608 | |
| 609 | ActivityModel p{db}; |
| 610 | p.id = *inserted_row_id; |
| 611 | p.name = name; |
| 612 | p.package_id = package_id; |
| 613 | |
| 614 | return p; |
| 615 | } |
| 616 | |
| 617 | // Try to select by package_name+activity_name, otherwise insert into both tables. |
| 618 | // Package version is ignored for selects. |
| 619 | static std::optional<ActivityModel> SelectOrInsert( |
| 620 | DbHandle db, |
| 621 | std::string package_name, |
| 622 | std::optional<int> package_version, |
| 623 | std::string activity_name) { |
| 624 | std::optional<PackageModel> package = PackageModel::SelectByName(db, package_name.c_str()); |
| 625 | if (!package) { |
| 626 | package = PackageModel::Insert(db, package_name, package_version); |
| 627 | DCHECK(package.has_value()); |
| 628 | } |
| 629 | |
| 630 | std::optional<ActivityModel> activity = |
| 631 | ActivityModel::SelectByNameAndPackageId(db, |
| 632 | activity_name.c_str(), |
| 633 | package->id); |
| 634 | if (!activity) { |
| 635 | activity = Insert(db, activity_name, package->id); |
| 636 | // XX: should we really return an optional here? This feels like it should never fail. |
| 637 | } |
| 638 | |
| 639 | return activity; |
| 640 | } |
| 641 | |
| 642 | int id; |
| 643 | std::string name; |
| 644 | int package_id; // PackageModel::id |
| 645 | }; |
| 646 | |
| 647 | inline std::ostream& operator<<(std::ostream& os, const ActivityModel& p) { |
| 648 | os << "ActivityModel{id=" << p.id << ",name=" << p.name << ","; |
| 649 | os << "package_id=" << p.package_id << "}"; |
| 650 | return os; |
| 651 | } |
| 652 | |
| 653 | class AppLaunchHistoryModel : public Model { |
| 654 | protected: |
| 655 | AppLaunchHistoryModel(DbHandle db) : Model{db} { |
| 656 | } |
| 657 | |
| 658 | public: |
| 659 | enum class Temperature : int32_t { |
| 660 | kUninitialized = -1, // Note: Not a valid SQL value. |
| 661 | kCold = 1, |
| 662 | kWarm = 2, |
| 663 | kHot = 3, |
| 664 | }; |
| 665 | |
| 666 | static std::optional<AppLaunchHistoryModel> SelectById(DbHandle db, int id) { |
| 667 | ScopedLockDb lock{db}; |
| 668 | int original_id = id; |
| 669 | |
| 670 | std::string query = "SELECT * FROM app_launch_histories WHERE id = ? LIMIT 1;"; |
| 671 | DbStatement stmt = DbStatement::Prepare(db, query, id); |
| 672 | |
| 673 | AppLaunchHistoryModel p{db}; |
| 674 | if (!DbQueryBuilder::SelectOnce(stmt, |
| 675 | p.id, |
| 676 | p.activity_id, |
| 677 | p.temperature, |
| 678 | p.trace_enabled, |
| 679 | p.readahead_enabled, |
| 680 | p.total_time_ns, |
| 681 | p.report_fully_drawn_ns)) { |
| 682 | return std::nullopt; |
| 683 | } |
| 684 | |
| 685 | return p; |
| 686 | } |
| 687 | |
| 688 | static std::optional<AppLaunchHistoryModel> Insert(DbHandle db, |
| 689 | int activity_id, |
| 690 | AppLaunchHistoryModel::Temperature temperature, |
| 691 | bool trace_enabled, |
| 692 | bool readahead_enabled, |
| 693 | std::optional<uint64_t> total_time_ns, |
| 694 | std::optional<uint64_t> report_fully_drawn_ns) |
| 695 | { |
| 696 | const char* sql = "INSERT INTO app_launch_histories (activity_id, temperature, trace_enabled, " |
| 697 | "readahead_enabled, total_time_ns, " |
| 698 | "report_fully_drawn_ns) " |
| 699 | "VALUES (?1, ?2, ?3, ?4, ?5, ?6);"; |
| 700 | |
| 701 | std::optional<int> inserted_row_id = |
| 702 | DbQueryBuilder::Insert(db, |
| 703 | sql, |
| 704 | activity_id, |
| 705 | temperature, |
| 706 | trace_enabled, |
| 707 | readahead_enabled, |
| 708 | total_time_ns, |
| 709 | report_fully_drawn_ns); |
| 710 | if (!inserted_row_id) { |
| 711 | return std::nullopt; |
| 712 | } |
| 713 | |
| 714 | AppLaunchHistoryModel p{db}; |
| 715 | p.id = *inserted_row_id; |
| 716 | p.activity_id = activity_id; |
| 717 | p.temperature = temperature; |
| 718 | p.trace_enabled = trace_enabled; |
| 719 | p.readahead_enabled = readahead_enabled; |
| 720 | p.total_time_ns = total_time_ns; |
| 721 | p.report_fully_drawn_ns = report_fully_drawn_ns; |
| 722 | |
| 723 | return p; |
| 724 | } |
| 725 | |
| 726 | int id; |
| 727 | int activity_id; // ActivityModel::id |
| 728 | Temperature temperature = Temperature::kUninitialized; |
| 729 | bool trace_enabled; |
| 730 | bool readahead_enabled; |
| 731 | std::optional<uint64_t> total_time_ns; |
| 732 | std::optional<uint64_t> report_fully_drawn_ns; |
| 733 | }; |
| 734 | |
| 735 | inline std::ostream& operator<<(std::ostream& os, const AppLaunchHistoryModel& p) { |
| 736 | os << "AppLaunchHistoryModel{id=" << p.id << "," |
| 737 | << "activity_id=" << p.activity_id << "," |
| 738 | << "temperature=" << static_cast<int>(p.temperature) << "," |
| 739 | << "trace_enabled=" << p.trace_enabled << "," |
| 740 | << "readahead_enabled=" << p.readahead_enabled << "," |
| 741 | << "total_time_ns="; |
| 742 | if (p.total_time_ns) { |
| 743 | os << *p.total_time_ns; |
| 744 | } else { |
| 745 | os << "(nullopt)"; |
| 746 | } |
| 747 | os << ","; |
| 748 | os << "report_fully_drawn_ns="; |
| 749 | if (p.report_fully_drawn_ns) { |
| 750 | os << *p.report_fully_drawn_ns; |
| 751 | } else { |
| 752 | os << "(nullopt)"; |
| 753 | } |
| 754 | os << "}"; |
| 755 | return os; |
| 756 | } |
| 757 | |
| 758 | } // namespace iorap::db |
| 759 | |
| 760 | #endif // IORAP_SRC_DB_MODELS_H_ |