| | |
| | | #include <iostream> |
| | | #include <stdexcept> |
| | | #include <ctime> |
| | | #include <iomanip> |
| | | #include <random> |
| | | |
| | | // 常量 |
| | | const std::string DATABASE_FILE = R"(AlarmManager.db)"; |
| | |
| | | throw std::runtime_error("Failed to connect to database."); |
| | | } |
| | | |
| | | const std::string createTableQuery = R"( |
| | | CREATE TABLE IF NOT EXISTS alarms ( |
| | | id TEXT NOT NULL, |
| | | device_name TEXT NOT NULL, |
| | | description TEXT NOT NULL, |
| | | start_time DATETIME NOT NULL, |
| | | end_time DATETIME NOT NULL |
| | | // 创建设备表 |
| | | const std::string createDevicesTableQuery = R"( |
| | | CREATE TABLE IF NOT EXISTS devices ( |
| | | device_id TEXT PRIMARY KEY NOT NULL, |
| | | device_name TEXT NOT NULL |
| | | ) |
| | | )"; |
| | | if (!m_pDB->executeQuery(createDevicesTableQuery)) { |
| | | return false; |
| | | } |
| | | |
| | | return m_pDB->executeQuery(createTableQuery); |
| | | // 创建单元表,设备ID和单元ID组合作为主键 |
| | | const std::string createUnitsTableQuery = R"( |
| | | CREATE TABLE IF NOT EXISTS units ( |
| | | device_id TEXT NOT NULL, |
| | | unit_id TEXT NOT NULL, |
| | | unit_name TEXT NOT NULL, |
| | | PRIMARY KEY (device_id, unit_id), |
| | | FOREIGN KEY (device_id) REFERENCES devices(device_id) |
| | | ) |
| | | )"; |
| | | if (!m_pDB->executeQuery(createUnitsTableQuery)) { |
| | | return false; |
| | | } |
| | | |
| | | // 创建报警表,报警记录的alarm_event_id是主键 |
| | | const std::string createAlarmsTableQuery = R"( |
| | | CREATE TABLE IF NOT EXISTS alarms ( |
| | | alarm_event_id INTEGER PRIMARY KEY AUTOINCREMENT, |
| | | id TEXT NOT NULL, |
| | | severity_level INTEGER NOT NULL DEFAULT 0, |
| | | device_id TEXT NOT NULL , |
| | | unit_id TEXT NOT NULL, |
| | | description TEXT NOT NULL, |
| | | start_time DATETIME NOT NULL, |
| | | end_time DATETIME, |
| | | FOREIGN KEY (device_id) REFERENCES devices(device_id), |
| | | FOREIGN KEY (unit_id) REFERENCES units(unit_id) |
| | | ) |
| | | )"; |
| | | return m_pDB->executeQuery(createAlarmsTableQuery); |
| | | } |
| | | |
| | | // 销毁报警表 |
| | |
| | | return m_pDB->executeQuery(dropTableQuery); |
| | | } |
| | | |
| | | // 添加报警 |
| | | bool AlarmManager::addAlarm(const std::string& id, const std::string& deviceName, const std::string& description, const std::string& startTime, const std::string& endTime) { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | // 插入模拟数据 |
| | | void AlarmManager::insertMockData() { |
| | | // 插入设备数据 |
| | | for (int i = 1; i <= 3; ++i) { |
| | | std::string deviceName = "Device" + std::to_string(i); |
| | | std::stringstream query; |
| | | query << "INSERT INTO devices (device_id, device_name) VALUES (" << i << ", '" << deviceName << "');"; |
| | | if (!m_pDB->executeQuery(query.str())) { |
| | | std::cerr << "Failed to insert device: " << i << std::endl; |
| | | } |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "INSERT INTO alarms (id, device_name, description, start_time, end_time) VALUES (" |
| | | << "'" << id << "', " |
| | | << "'" << deviceName << "', " |
| | | << "'" << description << "', " |
| | | << "'" << startTime << "', " |
| | | << "'" << endTime << "')"; |
| | | // 插入单元数据 |
| | | for (int i = 1; i <= 3; ++i) { |
| | | for (int j = 0; j <= 3; ++j) { |
| | | int unitId = j; |
| | | std::string deviceId = std::to_string(i); |
| | | std::string unitName = "Unit" + std::to_string(j); |
| | | |
| | | std::lock_guard<std::mutex> lock(m_mutex); |
| | | return m_pDB->executeQuery(query.str()); |
| | | std::stringstream query; |
| | | query << "INSERT INTO units (device_id, unit_id, unit_name) VALUES ('" |
| | | << deviceId << "', '" // 插入设备ID,确保是字符串 |
| | | << unitId << "', '" // 插入单元ID,确保是字符串 |
| | | << unitName << "');"; |
| | | |
| | | if (!m_pDB->executeQuery(query.str())) { |
| | | std::cerr << "Failed to insert unit: " << unitId << std::endl; |
| | | } |
| | | } |
| | | } |
| | | |
| | | /* |
| | | // 初始化随机数生成器 |
| | | std::random_device rd; |
| | | std::mt19937 gen(rd()); |
| | | std::uniform_int_distribution<> deviceDis(1, 3); |
| | | std::uniform_int_distribution<> unitDis(1, 3); |
| | | std::uniform_int_distribution<> errorCodeDis(1, 100); |
| | | std::uniform_int_distribution<> severityDis(0, 3); |
| | | std::vector<std::string> descriptions = { "Overheat", "Sensor failure", "Power outage" }; |
| | | |
| | | // 时间相关 |
| | | auto now = std::chrono::system_clock::now(); |
| | | auto start_time = std::chrono::system_clock::to_time_t(now); |
| | | auto end_time = std::chrono::system_clock::to_time_t(now + std::chrono::minutes(10)); |
| | | |
| | | std::tm start_tm = {}; |
| | | std::tm end_tm = {}; |
| | | localtime_s(&start_tm, &start_time); |
| | | localtime_s(&end_tm, &end_time); |
| | | |
| | | // 插入模拟数据 |
| | | for (int i = 0; i < 10; ++i) { |
| | | int deviceId = deviceDis(gen); // 随机设备ID |
| | | int unitId = unitDis(gen); // 随机单元ID |
| | | int errorCode = errorCodeDis(gen); // 随机错误码 |
| | | int severityLevel = severityDis(gen); // 随机生成报警等级 |
| | | std::string description = descriptions[errorCodeDis(gen) % descriptions.size()]; // 随机报警描述 |
| | | |
| | | std::stringstream query; |
| | | query << "INSERT INTO alarms (id, severity_level, device_id, unit_id, description, start_time, end_time) " |
| | | << "VALUES (" << errorCode << ", " << severityLevel << ", " << deviceId << ", " << unitId << ", '" << description << "', " |
| | | << "'" << std::put_time(&start_tm, "%Y-%m-%d %H:%M:%S") << "', " |
| | | << "'" << std::put_time(&end_tm, "%Y-%m-%d %H:%M:%S") << "');"; |
| | | |
| | | if (!m_pDB->executeQuery(query.str())) { |
| | | std::cerr << "Failed to insert alarm data." << std::endl; |
| | | } |
| | | } |
| | | */ |
| | | } |
| | | |
| | | // 添加报警信息 |
| | | bool AlarmManager::addAlarm(const AlarmData& alarmData, int& alarmEventId) { |
| | | if (!m_pDB) { |
| | | return false; |
| | | } |
| | | |
| | | #if 0 |
| | | // 开始事务 |
| | | m_pDB->executeQuery("BEGIN TRANSACTION;"); |
| | | |
| | | // 构建插入查询 |
| | | std::ostringstream query; |
| | | query << "INSERT INTO alarms (id, severity_level, device_id, unit_id, description, start_time, end_time) VALUES (" |
| | | << alarmData.nId << ", " // 错误码 |
| | | << alarmData.nSeverityLevel << ", " // 报警等级 |
| | | << alarmData.nDeviceId << ", " // 设备ID |
| | | << alarmData.nUnitId << ", '" // 单元ID |
| | | << alarmData.strDescription << "', '" // 描述 |
| | | << alarmData.strStartTime << "', '" // 开始时间 |
| | | << alarmData.strEndTime << "')"; // 结束时间 |
| | | |
| | | // 使用锁保护多线程安全 |
| | | std::lock_guard<std::mutex> lock(m_mutex); |
| | | |
| | | // 执行插入查询 |
| | | bool result = m_pDB->executeQuery(query.str()); |
| | | if (result) { |
| | | alarmEventId = getLastInsertId(); |
| | | m_alarmCache[alarmEventId] = alarmData; |
| | | } |
| | | |
| | | // 提交事务 |
| | | m_pDB->executeQuery("COMMIT;"); |
| | | |
| | | return result; |
| | | #else |
| | | for (AlarmDataMap::const_iterator it = m_mapCache.begin(); it != m_mapCache.end(); ++it) { |
| | | const AlarmData& alarm = it->second; |
| | | if (alarm.nId == alarmData.nId && |
| | | alarm.nDeviceId == alarmData.nDeviceId && |
| | | alarm.nUnitId == alarmData.nUnitId) { |
| | | |
| | | alarmEventId = it->first; |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | // 构建插入查询并使用 RETURNING 获取插入后的 alarm_event_id |
| | | std::ostringstream query; |
| | | query << "INSERT INTO alarms (id, severity_level, device_id, unit_id, description, start_time, end_time) " |
| | | << "VALUES (" << alarmData.nId << ", " << alarmData.nSeverityLevel << ", " << alarmData.nDeviceId << ", " |
| | | << alarmData.nUnitId << ", '" << alarmData.strDescription << "', '" << alarmData.strStartTime << "', '" |
| | | << alarmData.strEndTime << "') RETURNING alarm_event_id;"; |
| | | |
| | | // 使用锁保护多线程安全 |
| | | std::lock_guard<std::mutex> lock(m_mutex); |
| | | |
| | | // 执行查询并获取结果 |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | | if (!results.empty() && !results[0].empty()) { |
| | | try { |
| | | // 提取并转换 alarm_event_id |
| | | alarmEventId = std::stoi(results[0][0]); |
| | | // 将插入的报警数据添加到缓存 |
| | | m_mapCache[alarmEventId] = alarmData; |
| | | return true; |
| | | } |
| | | catch (const std::exception& e) { |
| | | std::cerr << "Error parsing alarm_event_id: " << e.what() << std::endl; |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | return false; |
| | | #endif |
| | | } |
| | | |
| | | // 查询所有报警数据 |
| | | std::vector<std::vector<std::string>> AlarmManager::getAllAlarms() { |
| | | std::vector<AlarmData> AlarmManager::getAllAlarms() { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return {}; |
| | | } |
| | | |
| | | const std::string query = "SELECT id, device_name, description, start_time, end_time FROM alarms"; |
| | | return m_pDB->fetchResults(query); |
| | | // 查询所有报警数据(包括设备名称和单元名称) |
| | | const std::string query = R"( |
| | | SELECT a.id, a.severity_level, a.device_id, a.unit_id, d.device_name, u.unit_name, a.description, a.start_time, a.end_time |
| | | FROM alarms a |
| | | JOIN devices d ON a.device_id = d.device_id |
| | | JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id |
| | | )"; |
| | | |
| | | auto results = m_pDB->fetchResults(query); |
| | | |
| | | // 遍历查询结果,填充 AlarmData 结构体 |
| | | std::vector<AlarmData> alarms; |
| | | for (const auto& row : results) { |
| | | AlarmData alarmData; |
| | | alarmData.nId = std::stoi(row[0]); // 错误码 |
| | | alarmData.nSeverityLevel = std::stoi(row[1]); // 报警等级 |
| | | alarmData.nDeviceId = std::stoi(row[2]); // 设备ID |
| | | alarmData.nUnitId = std::stoi(row[3]); // 单元ID |
| | | alarmData.strDeviceName = row[4]; // 设备名称 |
| | | alarmData.strUnitName = row[5]; // 单元名称 |
| | | alarmData.strDescription = row[6]; // 描述 |
| | | alarmData.strStartTime = row[7]; // 开始时间 |
| | | alarmData.strEndTime = row[8]; // 结束时间 |
| | | |
| | | alarms.push_back(alarmData); |
| | | } |
| | | |
| | | return alarms; |
| | | } |
| | | |
| | | // 根据报警ID查询报警 |
| | | std::vector<std::vector<std::string>> AlarmManager::getAlarmsById(const std::string& id) { |
| | | std::vector<AlarmData> AlarmManager::getAlarmsById(const std::string& id) { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return {}; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT id, device_name, description, start_time, end_time FROM alarms WHERE id = '" << id << "'"; |
| | | return m_pDB->fetchResults(query.str()); |
| | | query << R"( |
| | | SELECT a.id, a.severity_level, a.device_id, a.unit_id, d.device_name, u.unit_name, a.description, a.start_time, a.end_time |
| | | FROM alarms a |
| | | JOIN devices d ON a.device_id = d.device_id |
| | | JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id |
| | | WHERE a.id = ')" << id << "'"; |
| | | |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | | |
| | | // 遍历查询结果,填充 AlarmData 结构体 |
| | | std::vector<AlarmData> alarms; |
| | | for (const auto& row : results) { |
| | | AlarmData alarmData; |
| | | alarmData.nId = std::stoi(row[0]); // 错误码 |
| | | alarmData.nSeverityLevel = std::stoi(row[1]); // 报警等级 |
| | | alarmData.nDeviceId = std::stoi(row[2]); // 设备ID |
| | | alarmData.nUnitId = std::stoi(row[3]); // 单元ID |
| | | alarmData.strDeviceName = row[4]; // 设备名称 |
| | | alarmData.strUnitName = row[5]; // 单元名称 |
| | | alarmData.strDescription = row[6]; // 描述 |
| | | alarmData.strStartTime = row[7]; // 开始时间 |
| | | alarmData.strEndTime = row[8]; // 结束时间 |
| | | |
| | | alarms.push_back(alarmData); |
| | | } |
| | | |
| | | return alarms; |
| | | } |
| | | |
| | | // 根据描述查询报警 |
| | | std::vector<std::vector<std::string>> AlarmManager::getAlarmsByDescription(const std::string& description) { |
| | | std::vector<AlarmData> AlarmManager::getAlarmsByDescription(const std::string& description) { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return {}; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT id, device_name, description, start_time, end_time FROM alarms WHERE description LIKE '%" << description << "%'"; |
| | | return m_pDB->fetchResults(query.str()); |
| | | query << R"( |
| | | SELECT a.id, a.severity_level, a.device_id, a.unit_id, d.device_name, u.unit_name, a.description, a.start_time, a.end_time |
| | | FROM alarms a |
| | | JOIN devices d ON a.device_id = d.device_id |
| | | JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id |
| | | WHERE a.description LIKE '%)" << description << R"(%')"; |
| | | |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | | |
| | | // 遍历查询结果,填充 AlarmData 结构体 |
| | | std::vector<AlarmData> alarms; |
| | | for (const auto& row : results) { |
| | | AlarmData alarmData; |
| | | alarmData.nId = std::stoi(row[0]); // 错误码 |
| | | alarmData.nSeverityLevel = std::stoi(row[1]); // 报警等级 |
| | | alarmData.nDeviceId = std::stoi(row[2]); // 设备ID |
| | | alarmData.nUnitId = std::stoi(row[3]); // 单元ID |
| | | alarmData.strDeviceName = row[4]; // 设备名称 |
| | | alarmData.strUnitName = row[5]; // 单元名称 |
| | | alarmData.strDescription = row[6]; // 描述 |
| | | alarmData.strStartTime = row[7]; // 开始时间 |
| | | alarmData.strEndTime = row[8]; // 结束时间 |
| | | |
| | | alarms.push_back(alarmData); |
| | | } |
| | | |
| | | return alarms; |
| | | } |
| | | |
| | | // 根据时间范围查询报警 |
| | | std::vector<std::vector<std::string>> AlarmManager::getAlarmsByTimeRange( |
| | | const std::string& startTime, const std::string& endTime) { |
| | | |
| | | std::vector<AlarmData> AlarmManager::getAlarmsByTimeRange(const std::string& startTime, const std::string& endTime) { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return {}; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT id, device_name, description, start_time, end_time FROM alarms WHERE 1=1"; |
| | | query << R"( |
| | | SELECT a.id, a.severity_level, a.device_id, a.unit_id, d.device_name, u.unit_name, a.description, a.start_time, a.end_time |
| | | FROM alarms a |
| | | JOIN devices d ON a.device_id = d.device_id |
| | | JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id |
| | | WHERE 1=1)"; |
| | | |
| | | if (!startTime.empty()) { |
| | | query << " AND start_time >= '" << startTime << "'"; |
| | | query << " AND a.start_time >= '" << startTime << "'"; |
| | | } |
| | | if (!endTime.empty()) { |
| | | query << " AND end_time <= '" << endTime << "'"; |
| | | query << " AND a.end_time <= '" << endTime << "'"; |
| | | } |
| | | |
| | | return m_pDB->fetchResults(query.str()); |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | | |
| | | // 遍历查询结果,填充 AlarmData 结构体 |
| | | std::vector<AlarmData> alarms; |
| | | for (const auto& row : results) { |
| | | AlarmData alarmData; |
| | | alarmData.nId = std::stoi(row[0]); // 错误码 |
| | | alarmData.nSeverityLevel = std::stoi(row[1]); // 报警等级 |
| | | alarmData.nDeviceId = std::stoi(row[2]); // 设备ID |
| | | alarmData.nUnitId = std::stoi(row[3]); // 单元ID |
| | | alarmData.strDeviceName = row[4]; // 设备名称 |
| | | alarmData.strUnitName = row[5]; // 单元名称 |
| | | alarmData.strDescription = row[6]; // 描述 |
| | | alarmData.strStartTime = row[7]; // 开始时间 |
| | | alarmData.strEndTime = row[8]; // 结束时间 |
| | | |
| | | alarms.push_back(alarmData); |
| | | } |
| | | |
| | | return alarms; |
| | | } |
| | | |
| | | // 根据ID、开始时间和结束时间查询报警 |
| | | std::vector<std::vector<std::string>> AlarmManager::getAlarmsByIdAndTimeRange( |
| | | const std::string& id, const std::string& startTime, const std::string& endTime) { |
| | | |
| | | std::vector<AlarmData> AlarmManager::getAlarmsByIdAndTimeRange(const std::string& id, const std::string& startTime, const std::string& endTime) { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return {}; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT id, device_name, description, start_time, end_time FROM alarms WHERE id = '" << id << "'"; |
| | | query << R"( |
| | | SELECT a.id, a.severity_level, a.device_id, a.unit_id, d.device_name, u.unit_name, a.description, a.start_time, a.end_time |
| | | FROM alarms a |
| | | JOIN devices d ON a.device_id = d.device_id |
| | | JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id |
| | | WHERE a.id = ')" << id << "'"; |
| | | |
| | | if (!startTime.empty()) { |
| | | query << " AND start_time >= '" << startTime << "'"; |
| | | query << " AND a.start_time >= '" << startTime << "'"; |
| | | } |
| | | if (!endTime.empty()) { |
| | | query << " AND end_time <= '" << endTime << "'"; |
| | | query << " AND a.end_time <= '" << endTime << "'"; |
| | | } |
| | | |
| | | return m_pDB->fetchResults(query.str()); |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | | |
| | | // 遍历查询结果,填充 AlarmData 结构体 |
| | | std::vector<AlarmData> alarms; |
| | | for (const auto& row : results) { |
| | | AlarmData alarmData; |
| | | alarmData.nId = std::stoi(row[0]); // 错误码 |
| | | alarmData.nSeverityLevel = std::stoi(row[1]); // 报警等级 |
| | | alarmData.nDeviceId = std::stoi(row[2]); // 设备ID |
| | | alarmData.nUnitId = std::stoi(row[3]); // 单元ID |
| | | alarmData.strDeviceName = row[4]; // 设备名称 |
| | | alarmData.strUnitName = row[5]; // 单元名称 |
| | | alarmData.strDescription = row[6]; // 描述 |
| | | alarmData.strStartTime = row[7]; // 开始时间 |
| | | alarmData.strEndTime = row[8]; // 结束时间 |
| | | |
| | | alarms.push_back(alarmData); |
| | | } |
| | | |
| | | return alarms; |
| | | } |
| | | |
| | | // 分页查询报警数据 |
| | | std::vector<std::vector<std::string>> AlarmManager::getAlarms(int startPosition, int count) { |
| | | std::vector<AlarmData> AlarmManager::getAlarms(int startPosition, int count) { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return {}; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT id, device_name, description, start_time, end_time FROM alarms LIMIT " << count << " OFFSET " << startPosition; |
| | | return m_pDB->fetchResults(query.str()); |
| | | query << R"( |
| | | SELECT a.id, a.severity_level, a.device_id, a.unit_id, d.device_name, u.unit_name, a.description, a.start_time, a.end_time |
| | | FROM alarms a |
| | | JOIN devices d ON a.device_id = d.device_id |
| | | JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id |
| | | LIMIT )" << count << " OFFSET " << startPosition; |
| | | |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | | |
| | | // 遍历查询结果,填充 AlarmData 结构体 |
| | | std::vector<AlarmData> alarms; |
| | | for (const auto& row : results) { |
| | | AlarmData alarmData; |
| | | alarmData.nId = std::stoi(row[0]); // 错误码 |
| | | alarmData.nSeverityLevel = std::stoi(row[1]); // 报警等级 |
| | | alarmData.nDeviceId = std::stoi(row[2]); // 设备ID |
| | | alarmData.nUnitId = std::stoi(row[3]); // 单元ID |
| | | alarmData.strDeviceName = row[4]; // 设备名称 |
| | | alarmData.strUnitName = row[5]; // 单元名称 |
| | | alarmData.strDescription = row[6]; // 描述 |
| | | alarmData.strStartTime = row[7]; // 开始时间 |
| | | alarmData.strEndTime = row[8]; // 结束时间 |
| | | |
| | | alarms.push_back(alarmData); |
| | | } |
| | | |
| | | return alarms; |
| | | } |
| | | |
| | | // 筛选报警数据 |
| | | std::vector<std::vector<std::string>> AlarmManager::getFilteredAlarms( |
| | | std::vector<AlarmData> AlarmManager::getFilteredAlarms( |
| | | const std::string& id, |
| | | const std::string& severityLevel, |
| | | const std::string& deviceName, |
| | | const std::string& unitName, |
| | | const std::string& description, |
| | | const std::string& startTime, |
| | | const std::string& endTime, |
| | |
| | | int pageSize) { |
| | | |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return {}; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT id, device_name, description, start_time, end_time FROM alarms WHERE 1=1"; |
| | | query << R"( |
| | | SELECT a.id, a.severity_level, a.device_id, a.unit_id, d.device_name, u.unit_name, a.description, a.start_time, a.end_time |
| | | FROM alarms a |
| | | JOIN devices d ON a.device_id = d.device_id |
| | | JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id |
| | | WHERE 1=1)"; |
| | | |
| | | if (!id.empty()) { |
| | | query << " AND id = '" << id << "'"; |
| | | } |
| | | if (!deviceName.empty()) { |
| | | query << " AND device_name LIKE '%" << deviceName << "%'"; |
| | | } |
| | | // 传入的过滤条件 |
| | | if (!id.empty()) { |
| | | query << " AND a.id = '" << id << "'"; |
| | | } |
| | | if (!severityLevel.empty()) { |
| | | query << " AND a.severity_level = '" << severityLevel << "'"; |
| | | } |
| | | if (!deviceName.empty()) { |
| | | query << " AND d.device_name LIKE '%" << deviceName << "%'"; |
| | | } |
| | | if (!unitName.empty()) { |
| | | query << " AND u.unit_name LIKE '%" << unitName << "%'"; |
| | | } |
| | | if (!description.empty()) { |
| | | query << " AND description LIKE '%" << description << "%'"; |
| | | query << " AND a.description LIKE '%" << description << "%'"; |
| | | } |
| | | if (!startTime.empty()) { |
| | | query << " AND start_time >= '" << startTime << "'"; |
| | | query << " AND a.start_time >= '" << startTime << "'"; |
| | | } |
| | | if (!endTime.empty()) { |
| | | query << " AND end_time <= '" << endTime << "'"; |
| | | query << " AND a.end_time <= '" << endTime << "'"; |
| | | } |
| | | |
| | | // 分页设置 |
| | | int offset = (pageNumber - 1) * pageSize; |
| | | query << " ORDER BY start_time DESC LIMIT " << pageSize << " OFFSET " << offset; |
| | | query << " ORDER BY a.start_time DESC LIMIT " << pageSize << " OFFSET " << offset; |
| | | |
| | | return m_pDB->fetchResults(query.str()); |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | | |
| | | // 遍历查询结果,填充 AlarmData 结构体 |
| | | std::vector<AlarmData> alarms; |
| | | for (const auto& row : results) { |
| | | AlarmData alarmData; |
| | | alarmData.nId = std::stoi(row[0]); // 错误码 |
| | | alarmData.nSeverityLevel = std::stoi(row[1]); // 报警等级 (字符串) |
| | | alarmData.nDeviceId = std::stoi(row[2]); // 设备ID |
| | | alarmData.nUnitId = std::stoi(row[3]); // 单元ID |
| | | alarmData.strDeviceName = row[4]; // 设备名称 |
| | | alarmData.strUnitName = row[5]; // 单元名称 |
| | | alarmData.strDescription = row[6]; // 描述 |
| | | alarmData.strStartTime = row[7]; // 开始时间 |
| | | alarmData.strEndTime = row[8]; // 结束时间 |
| | | |
| | | alarms.push_back(alarmData); |
| | | } |
| | | |
| | | return alarms; |
| | | } |
| | | |
| | | // 获取符合条件的报警总数 |
| | | int AlarmManager::getTotalAlarmCount( |
| | | const std::string& id, |
| | | const std::string& severityLevel, |
| | | const std::string& deviceName, |
| | | const std::string& unitName, |
| | | const std::string& description, |
| | | const std::string& startTime, |
| | | const std::string& endTime) { |
| | | |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return 0; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT COUNT(*) FROM alarms WHERE 1=1"; |
| | | query << "SELECT COUNT(*) FROM alarms a " |
| | | << "JOIN devices d ON a.device_id = d.device_id " |
| | | << "JOIN units u ON a.device_id = u.device_id AND a.unit_id = u.unit_id " |
| | | << "WHERE 1=1"; |
| | | |
| | | // 添加过滤条件 |
| | | if (!id.empty()) { |
| | | query << " AND id = '" << id << "'"; |
| | | query << " AND a.id = '" << id << "'"; |
| | | } |
| | | if (!severityLevel.empty()) { |
| | | query << " AND a.severity_level = '" << severityLevel << "'"; |
| | | } |
| | | if (!deviceName.empty()) { |
| | | query << " AND device_name LIKE '%" << deviceName << "%'"; |
| | | query << " AND d.device_name LIKE '%" << deviceName << "%'"; |
| | | } |
| | | if (!unitName.empty()) { |
| | | query << " AND u.unit_name LIKE '%" << unitName << "%'"; |
| | | } |
| | | if (!description.empty()) { |
| | | query << " AND description LIKE '%" << description << "%'"; |
| | | query << " AND a.description LIKE '%" << description << "%'"; |
| | | } |
| | | if (!startTime.empty()) { |
| | | query << " AND start_time >= '" << startTime << "'"; |
| | | query << " AND a.start_time >= '" << startTime << "'"; |
| | | } |
| | | if (!endTime.empty()) { |
| | | query << " AND end_time <= '" << endTime << "'"; |
| | | query << " AND a.end_time <= '" << endTime << "'"; |
| | | } |
| | | |
| | | auto results = m_pDB->fetchResults(query.str()); |
| | |
| | | } |
| | | |
| | | // 更新报警的结束时间 |
| | | bool AlarmManager::updateAlarmEndTime(const std::string& id, const std::string& deviceName, const std::string& description, const std::string& startTime, const std::string& newEndTime) { |
| | | bool AlarmManager::updateAlarmEndTime( |
| | | const std::string& id, |
| | | const std::string& severityLevel, |
| | | const std::string& deviceId, |
| | | const std::string& unitId, |
| | | const std::string& description, |
| | | const std::string& startTime, |
| | | const std::string& newEndTime) { |
| | | |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return false; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "UPDATE alarms SET end_time = '" << newEndTime << "'" |
| | | // 更新报警结束时间 |
| | | std::ostringstream updateQuery; |
| | | updateQuery << "UPDATE alarms SET end_time = '" << newEndTime << "'" |
| | | << " WHERE id = '" << id << "'" |
| | | << " AND device_name = '" << deviceName << "'" |
| | | << " AND severity_level = '" << severityLevel << "'" |
| | | << " AND device_id = '" << deviceId << "'" |
| | | << " AND unit_id = '" << unitId << "'" |
| | | << " AND description = '" << description << "'" |
| | | << " AND start_time = '" << startTime << "'"; |
| | | |
| | | return m_pDB->executeQuery(query.str()); |
| | | return m_pDB->executeQuery(updateQuery.str()); |
| | | } |
| | | |
| | | // 清理旧报警数据 |
| | | void AlarmManager::cleanOldAlarms(int daysToKeep, const std::string& deviceName) { |
| | | void AlarmManager::cleanOldAlarms(int daysToKeep, const std::string& deviceId, const std::string& unitId) { |
| | | if (!m_pDB) { |
| | | throw std::runtime_error("Database connection is not set."); |
| | | return; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "DELETE FROM alarms WHERE end_time < datetime('now', '-" << daysToKeep << " days')"; |
| | | |
| | | if (!deviceName.empty()) { |
| | | query << " AND device_name = '" << deviceName << "'"; |
| | | if (!deviceId.empty()) { |
| | | query << " AND device_id = '" << deviceId << "'"; |
| | | } |
| | | if (!unitId.empty()) { |
| | | query << " AND unit_id = '" << unitId << "'"; |
| | | } |
| | | |
| | | m_pDB->executeQuery(query.str()); |
| | | } |
| | | |
| | | // 通过设备ID获取设备名称 |
| | | std::string AlarmManager::getDeviceNameById(int deviceId) { |
| | | if (!m_pDB) { |
| | | return ""; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT device_name FROM devices WHERE device_id = " << deviceId; |
| | | |
| | | auto result = m_pDB->fetchResults(query.str()); |
| | | if (result.empty()) { |
| | | return ""; |
| | | } |
| | | |
| | | return result[0][0]; // 返回查询到的设备名称 |
| | | } |
| | | |
| | | // 通过设备ID和单元ID获取单元名称 |
| | | std::string AlarmManager::getUnitNameById(int deviceId, int unitId) { |
| | | if (!m_pDB) { |
| | | return ""; |
| | | } |
| | | |
| | | std::ostringstream query; |
| | | query << "SELECT unit_name FROM units WHERE device_id = " << deviceId |
| | | << " AND unit_id = " << unitId; |
| | | |
| | | auto result = m_pDB->fetchResults(query.str()); |
| | | if (result.empty()) { |
| | | return ""; |
| | | } |
| | | |
| | | return result[0][0]; // 返回查询到的单元名称 |
| | | } |
| | | |
| | | // 获取最近插入的 alarm_event_id |
| | | int AlarmManager::getLastInsertId() { |
| | | std::string query = "SELECT last_insert_rowid();"; |
| | | auto results = m_pDB->fetchResults(query); |
| | | |
| | | if (results.empty() || results[0].empty()) { |
| | | return -1; |
| | | } |
| | | |
| | | // 从查询结果中获取最后插入的 ID |
| | | int lastInsertId = std::stoi(results[0][0]); |
| | | return lastInsertId; |
| | | } |
| | | |
| | | // 通过 alarm_event_id 解除报警(更新结束时间) |
| | | bool AlarmManager::clearAlarmByEventId(int alarmEventId, const std::string& endTime) { |
| | | if (!m_pDB) { |
| | | return false; |
| | | } |
| | | |
| | | bool result = true; |
| | | auto it = m_mapCache.find(alarmEventId); |
| | | if (it != m_mapCache.end()) { |
| | | std::lock_guard<std::mutex> lock(m_mutex); |
| | | |
| | | std::ostringstream query; |
| | | query << "UPDATE alarms SET end_time = '" << endTime << "' WHERE alarm_event_id = " << alarmEventId << ";"; |
| | | bool result = m_pDB->executeQuery(query.str()); |
| | | if (result) { |
| | | m_mapCache.erase(it); |
| | | } |
| | | } |
| | | |
| | | return result; |
| | | } |
| | | |
| | | // 通过多个属性查找并解除报警(更新结束时间) |
| | | bool AlarmManager::clearAlarmByAttributes(int nId, int nDeviceId, int nUnitId, const std::string& endTime) { |
| | | if (!m_pDB) { |
| | | return false; |
| | | } |
| | | |
| | | std::lock_guard<std::mutex> lock(m_mutex); |
| | | |
| | | // 先在缓存中查找匹配的 alarm_event_id |
| | | int alarmEventId = -1; |
| | | for (AlarmDataMap::const_iterator it = m_mapCache.begin(); it != m_mapCache.end(); ++it) { |
| | | const AlarmData& alarm = it->second; |
| | | if (alarm.nId == nId && |
| | | alarm.nDeviceId == nDeviceId && |
| | | alarm.nUnitId == nUnitId) { |
| | | |
| | | alarmEventId = it->first; |
| | | break; |
| | | } |
| | | } |
| | | |
| | | // 如果没找到匹配的记录,则直接返回 false |
| | | if (alarmEventId == -1) { |
| | | return false; |
| | | } |
| | | |
| | | // 构建 SQL 语句,使用找到的 alarm_event_id 来更新结束时间 |
| | | std::ostringstream query; |
| | | query << "UPDATE alarms SET end_time = '" << endTime << "' WHERE alarm_event_id = " << alarmEventId << ";"; |
| | | bool result = m_pDB->executeQuery(query.str()); |
| | | if (result) { |
| | | m_mapCache.erase(alarmEventId); |
| | | } |
| | | |
| | | return result; |
| | | } |
| | | |
| | | // 读取报警文件 |
| | |
| | | auto it = m_mapAlarm.find(alarmID); |
| | | if (it != m_mapAlarm.end()) { |
| | | alarms.push_back(it->second); |
| | | } |
| | | } |
| | | else { |
| | | std::cerr << "未找到 AlarmID: " << alarmID << std::endl; |
| | | } |