{"repo_name": "data-platform-open", "file_name": "/data-platform-open/data-platform-open-common/src/main/java/cn/dataplatform/open/common/server/ServerMonitor.java", "inference_info": {"prefix_code": "package cn.dataplatform.open.common.server;\n\nimport com.sun.management.OperatingSystemMXBean;\nimport org.springframework.stereotype.Component;\n\nimport java.lang.management.ManagementFactory;\nimport java.math.BigDecimal;\nimport java.math.RoundingMode;\n\n/**\n * 〈一句话功能简述〉
\n * 〈〉\n *\n * @author dingqianwen\n * @date 2025/4/25\n * @since 1.0.0\n */\n", "suffix_code": "\n", "middle_code": "@Component\npublic class ServerMonitor {\n public BigDecimal getJvmCpuUsage() {\n OperatingSystemMXBean osBean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();\n double cpuUsage = osBean.getProcessCpuLoad() * 100;\n if (cpuUsage < 0) {\n return BigDecimal.ZERO;\n }\n return BigDecimal.valueOf(cpuUsage).setScale(2, RoundingMode.HALF_UP);\n }\n public BigDecimal getJvmMaxMemory() {\n long maxMemory = Runtime.getRuntime().maxMemory();\n return BigDecimal.valueOf(maxMemory / (1024.0 * 1024.0 * 1024.0))\n .setScale(2, RoundingMode.HALF_UP);\n }\n public BigDecimal getJvmTotalMemory() {\n long totalMemory = Runtime.getRuntime().totalMemory();\n return BigDecimal.valueOf(totalMemory / (1024.0 * 1024.0 * 1024.0))\n .setScale(2, RoundingMode.HALF_UP);\n }\n public BigDecimal getJvmFreeMemory() {\n long freeMemory = Runtime.getRuntime().freeMemory();\n return BigDecimal.valueOf(freeMemory / (1024.0 * 1024.0 * 1024.0))\n .setScale(2, RoundingMode.HALF_UP);\n }\n public BigDecimal getJvmUsedMemory() {\n Runtime runtime = Runtime.getRuntime();\n long usedMemory = runtime.totalMemory() - runtime.freeMemory();\n return BigDecimal.valueOf(usedMemory / (1024.0 * 1024.0 * 1024.0))\n .setScale(2, RoundingMode.HALF_UP);\n }\n}", "code_description": null, "fill_type": "CLASS_TYPE", "language_type": "java", "sub_task_type": null}, "context_code": [["/data-platform-open/data-platform-open-common/src/main/java/cn/dataplatform/open/common/server/Server.java", "package cn.dataplatform.open.common.server;\n\nimport cn.dataplatform.open.common.enums.ServerStatus;\nimport com.fasterxml.jackson.annotation.JsonFormat;\nimport lombok.Data;\n\nimport java.io.Serial;\nimport java.io.Serializable;\nimport java.math.BigDecimal;\nimport java.math.RoundingMode;\nimport java.time.Duration;\nimport java.time.LocalDateTime;\n\n/**\n * 〈一句话功能简述〉
\n * 〈〉\n *\n * @author dingqianwen\n * @date 2025/1/28\n * @since 1.0.0\n */\n@Data\npublic class Server implements Serializable {\n\n @Serial\n private static final long serialVersionUID = 1L;\n\n private String host;\n\n private Integer port;\n\n /**\n * 首次注册时间\n */\n @JsonFormat(pattern = \"yyyy-MM-dd HH:mm:ss\")\n private LocalDateTime fastHeartbeat;\n\n /**\n * 当前服务启动时间\n */\n @JsonFormat(pattern = \"yyyy-MM-dd HH:mm:ss\")\n private LocalDateTime latelyStartTime;\n\n /**\n * 最近一次心跳时间\n *
\n * 查询时,只查询健康的,存活时间在30s内的\n */\n @JsonFormat(pattern = \"yyyy-MM-dd HH:mm:ss\")\n private LocalDateTime lastHeartbeat;\n\n /**\n * 服务状态\n */\n private ServerStatus status;\n /**\n * 总jvm内存 单位G,2位小数\n */\n private BigDecimal totalMemory;\n /**\n * 已使用jvm内存 单位G,2位小数\n */\n private BigDecimal freeMemory;\n /**\n * cpu占用率\n */\n private BigDecimal cpuUsageRatio;\n\n /**\n * 判断服务是否存活\n *\n * @return 如果服务在最近30秒内有过心跳, 则返回 ONLINE;否则返回 OFFLINE\n */\n public ServerStatus getStatus() {\n if (status != null) {\n return status;\n }\n // 获取当前时间\n LocalDateTime now = LocalDateTime.now();\n // 判断最近一次心跳时间与当前时间的差是否小于30秒\n if (lastHeartbeat == null) {\n return ServerStatus.OFFLINE;\n }\n return Duration.between(lastHeartbeat, now).getSeconds() < 30 ? ServerStatus.ONLINE : ServerStatus.INACTIVE;\n }\n\n\n /**\n * 获取服务实例ID\n *\n * @return instanceId\n */\n public String getInstanceId() {\n return host + \":\" + port;\n }\n\n /**\n * 获取内存使用率\n *\n * @return 内存使用率\n */\n public BigDecimal getMemoryUsageRatio() {\n if (totalMemory == null || totalMemory.compareTo(BigDecimal.ZERO) == 0) {\n return BigDecimal.ZERO;\n }\n if (freeMemory == null) {\n freeMemory = BigDecimal.ZERO;\n }\n return freeMemory.divide(totalMemory, 2, RoundingMode.HALF_UP);\n }\n\n}\n"], ["/data-platform-open/data-platform-open-common/src/main/java/cn/dataplatform/open/common/server/ServerManager.java", "package cn.dataplatform.open.common.server;\n\nimport cn.dataplatform.open.common.alarm.scene.ServiceOfflineNoticeScene;\nimport cn.dataplatform.open.common.alarm.scene.ServiceOnlineNoticeScene;\nimport cn.dataplatform.open.common.body.AlarmSceneMessageBody;\nimport cn.dataplatform.open.common.component.JsonJacksonCodec;\nimport cn.dataplatform.open.common.constant.Constant;\nimport cn.dataplatform.open.common.enums.RedisKey;\nimport cn.dataplatform.open.common.enums.ServerStatus;\nimport cn.dataplatform.open.common.event.AlarmSceneEvent;\nimport cn.dataplatform.open.common.util.IPUtils;\nimport cn.hutool.core.collection.CollUtil;\nimport cn.hutool.core.lang.UUID;\nimport jakarta.annotation.Resource;\nimport lombok.Getter;\nimport lombok.extern.slf4j.Slf4j;\nimport org.redisson.api.RMapCache;\nimport org.redisson.api.RedissonClient;\nimport org.slf4j.MDC;\nimport org.springframework.beans.factory.DisposableBean;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.boot.web.servlet.context.ServletWebServerInitializedEvent;\nimport org.springframework.context.ApplicationEventPublisher;\nimport org.springframework.context.ApplicationListener;\nimport org.springframework.context.annotation.DependsOn;\nimport org.springframework.core.annotation.Order;\nimport org.springframework.lang.NonNull;\nimport org.springframework.stereotype.Component;\n\nimport java.math.BigDecimal;\nimport java.time.LocalDateTime;\nimport java.util.Collection;\nimport java.util.Collections;\nimport java.util.concurrent.Executors;\nimport java.util.concurrent.ScheduledExecutorService;\nimport java.util.concurrent.TimeUnit;\n\n/**\n * DependsOn({\"redisson\", \"eventPublisherListener\"}) 解决优雅停机时此组件被提前关闭,例如 redisson is shutdown\n * o.s.beans.factory.support.DisposableBeanAdapter -[]- Invocation of destroy method failed on bean with name 'serverManager': org.springframework.amqp.AmqpApplicationContextClosedException:\n * The ApplicationContext is closed and the ConnectionFactory can no longer create connections.\n *\n * @author dingqianwen\n * @date 2025/1/26\n * @since 1.0.0\n */\n@DependsOn({\"redisson\", \"eventPublisherListener\"})\n@Order(0)\n@Slf4j\n@Component\npublic class ServerManager implements ApplicationListener