Files
fire_leave_tool/connect/heartbeat.go
T
2026-05-12 15:45:50 +08:00

139 lines
4.8 KiB
Go

package connect
import (
"fmt"
"os"
"os/exec"
"strings"
"sync"
"time"
"FireLeave_tool/logger"
"FireLeave_tool/portmanager"
)
var (
InferenceProcesses sync.Map // key: deviceUUID string, value: *exec.Cmd
// 记录最后一次收到心跳的时间
inferenceLastHeartbeat sync.Map // key: deviceUUID string, value: time.Time
)
// UpdateInferenceHeartbeat 每收到一帧 /video/post 就调用这个
func UpdateInferenceHeartbeat(deviceUUID string) {
inferenceLastHeartbeat.Store(deviceUUID, time.Now())
// 输出心跳日志
if strings.Contains(deviceUUID, "_fire_check") {
logger.Logger.Printf("♥ 推理心跳收到 | 时间: %s | UUID: %s | 类型: fire_check", time.Now().Format("2006/01/02 15:04:05.000"), deviceUUID)
} else {
logger.Logger.Printf("♥ 推理心跳收到 | 时间: %s | UUID: %s | 类型: fire_leave", time.Now().Format("2006/01/02 15:04:05.000"), deviceUUID)
}
}
// ShouldRestartInference 判断是否需要重启推理程序
func ShouldRestartInference(deviceUUID string) bool {
val, ok := inferenceLastHeartbeat.Load(deviceUUID)
if !ok {
return true // 从未收到过心跳,肯定要启动
}
last := val.(time.Time)
return time.Since(last) > 85*time.Second
}
// StopInferenceProcess 停止推理进程(供 main 和 DeviceManager 调用)
func StopInferenceProcess(deviceUUID string) {
if raw, ok := InferenceProcesses.Load(deviceUUID); ok {
if cmd, ok := raw.(*exec.Cmd); ok && cmd.Process != nil {
logger.Logger.Printf("正在停止推理进程 (DeviceUUID=%s, PID=%d)", deviceUUID, cmd.Process.Pid)
cmd.Process.Kill()
cmd.Wait()
}
InferenceProcesses.Delete(deviceUUID)
}
}
// StartInferenceProcess 重启推理程序(保持原端口!)
func StartInferenceProcess(deviceData *DeviceData) {
// 重启fire_leave推理程序
StopInferenceProcess(deviceData.DeviceUUID)
portFireLeave, err := portmanager.GlobalPortManager.GetPort(deviceData.DeviceUUID)
if err != nil {
logger.Logger.Printf("获取fire_leave端口失败,无法重启推理程序 (DeviceUUID=%s): %v", deviceData.DeviceUUID, err)
return
}
// 重启fire_check推理程序
StopInferenceProcess(fmt.Sprintf("%s_fire_check", deviceData.DeviceUUID))
portFireCheck, err := portmanager.GlobalPortManager.GetPort(fmt.Sprintf("%s_fire_check", deviceData.DeviceUUID))
if err != nil {
logger.Logger.Printf("获取fire_check端口失败,无法重启推理程序 (DeviceUUID=%s): %v", deviceData.DeviceUUID, err)
return
}
// 为fire_leave推理程序获取检测区域
fireLeaveDetectAreaStr := ProcessDetectAreaForInference(deviceData.FireLeaveDetectArea)
// 启动fire_leave推理程序
inferenceCmdFireLeave := exec.Command(
"./yolov5",
"-s", deviceData.CameraRTSP,
"-m", "model",
"-c", deviceData.DeviceUUID,
"-p", fmt.Sprintf("%d", portFireLeave),
"-w", fireLeaveDetectAreaStr,
"-r", fmt.Sprintf("%d", deviceData.Confidence),
)
inferenceCmdFireLeave.Stdout = os.Stdout
inferenceCmdFireLeave.Stderr = os.Stderr
logger.Logger.Printf("正在重启fire_leave推理程序 (使用原端口 %d): %v", portFireLeave, inferenceCmdFireLeave.Args)
if err := inferenceCmdFireLeave.Start(); err != nil {
logger.Logger.Printf("fire_leave推理程序重启失败 (DeviceUUID=%s): %v", deviceData.DeviceUUID, err)
return
}
// 保存fire_leave进程对象
InferenceProcesses.Store(deviceData.DeviceUUID, inferenceCmdFireLeave)
logger.Logger.Printf("fire_leave推理程序已成功重启,PID=%d (DeviceUUID=%s, Port=%d)",
inferenceCmdFireLeave.Process.Pid, deviceData.DeviceUUID, portFireLeave)
// 为fire_check推理程序获取检测区域
fireCheckDetectAreaStr := ProcessDetectAreaForInference(deviceData.FireCheckDetectArea)
// 启动fire_check推理程序
inferenceCmdFireCheck := exec.Command(
"./yolov5",
"-s", deviceData.CameraRTSP,
"-m", "fire_check",
"-c", fmt.Sprintf("%s_fire_check", deviceData.DeviceUUID),
"-p", fmt.Sprintf("%d", portFireCheck),
"-w", fireCheckDetectAreaStr,
"-r", fmt.Sprintf("%d", deviceData.Confidence),
"-R",
)
inferenceCmdFireCheck.Stdout = os.Stdout
inferenceCmdFireCheck.Stderr = os.Stderr
logger.Logger.Printf("正在重启fire_check推理程序 (使用原端口 %d): %v", portFireCheck, inferenceCmdFireCheck.Args)
if err := inferenceCmdFireCheck.Start(); err != nil {
logger.Logger.Printf("fire_check推理程序重启失败 (DeviceUUID=%s): %v", deviceData.DeviceUUID, err)
return
}
// 保存fire_check进程对象
InferenceProcesses.Store(fmt.Sprintf("%s_fire_check", deviceData.DeviceUUID), inferenceCmdFireCheck)
logger.Logger.Printf("fire_check推理程序已成功重启,PID=%d (DeviceUUID=%s, Port=%d)",
inferenceCmdFireCheck.Process.Pid, deviceData.DeviceUUID, portFireCheck)
// 重启后立即刷新一次心跳,防止 30s 检测又触发
UpdateInferenceHeartbeat(deviceData.DeviceUUID)
UpdateInferenceHeartbeat(fmt.Sprintf("%s_fire_check", deviceData.DeviceUUID))
}