1

business/jxstore/event/event_print.go

@@ -95,3 +95,101 @@ func (p *PrintIpAndAddrStruct) DelPrintIpAndAddr(printNo string) {
 	defer p.RUnlock()
 	delete(PrintIpAndAddr.PrintObject, printNo)
 }
+
+//package event
+//
+//import (
+//	"fmt"
+//	"sync"
+//)
+//
+//var (
+//	PrintObject    *PrintObjectStruct    // 缓存的打印机对象
+//	PrintAddrAndIp *PrintAddrAndIpStruct // 缓存打印机地址:[ip:printNo] event 文件包,connect只能获取到addr
+//	PrintIpAndAddr *PrintIpAndAddrStruct // 缓存打印机地址:[printNo:ip] api_controller 只能获取到printNo
+//)
+//
+//func init() {
+//	fmt.Println("初始化打印机对象")
+//	PrintObject = &PrintObjectStruct{
+//		PrintObject: make(map[string]*TcpClient),
+//		RWMutex:     new(sync.RWMutex),
+//	}
+//	PrintAddrAndIp = &PrintAddrAndIpStruct{
+//		PrintObject: make(map[string]string),
+//		RWMutex:     new(sync.RWMutex),
+//	}
+//	PrintIpAndAddr = &PrintIpAndAddrStruct{
+//		PrintObject: make(map[string]string),
+//		RWMutex:     new(sync.RWMutex),
+//	}
+//}
+//
+//type PrintObjectStruct struct {
+//	PrintObject map[string]*TcpClient
+//	*sync.RWMutex
+//}
+//
+//func (p *PrintObjectStruct) GetPrintObj(printNo string) (*TcpClient, bool) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	tcpObj, ok := PrintObject.PrintObject[printNo]
+//	return tcpObj, ok
+//}
+//func (p *PrintObjectStruct) SetPrintObj(printNo string, tcpObj *TcpClient) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	PrintObject.PrintObject[printNo] = tcpObj
+//}
+//
+//func (p *PrintObjectStruct) DelPrintObj(printNo string) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	delete(PrintObject.PrintObject, printNo)
+//}
+//
+//type PrintAddrAndIpStruct struct {
+//	PrintObject map[string]string
+//	*sync.RWMutex
+//}
+//
+//func (p *PrintAddrAndIpStruct) GetPrintAddrAndIp(ip string) (string, bool) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	printNo, ok := PrintAddrAndIp.PrintObject[ip]
+//	return printNo, ok
+//}
+//func (p *PrintAddrAndIpStruct) SetPrintAddrAndIp(ip string, printNo string) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	PrintAddrAndIp.PrintObject[ip] = printNo
+//}
+//
+//func (p *PrintAddrAndIpStruct) DelPrintAddrAndIp(ip string) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	delete(PrintAddrAndIp.PrintObject, ip)
+//}
+//
+//type PrintIpAndAddrStruct struct {
+//	PrintObject map[string]string
+//	*sync.RWMutex
+//}
+//
+//func (p *PrintIpAndAddrStruct) GetPrintIpAndAddr(printNo string) (string, bool) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	tcpObj, ok := PrintIpAndAddr.PrintObject[printNo]
+//	return tcpObj, ok
+//}
+//func (p *PrintIpAndAddrStruct) SetPrintIpAndAddr(printNo string, ip string) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	PrintIpAndAddr.PrintObject[printNo] = ip
+//}
+//
+//func (p *PrintIpAndAddrStruct) DelPrintIpAndAddr(printNo string) {
+//	p.RLock()
+//	defer p.RUnlock()
+//	delete(PrintIpAndAddr.PrintObject, printNo)
+//}

business/jxstore/event/event_tcp.go

@@ -48,12 +48,12 @@ func ListenTcp() {
 
 			if err := handleConn(c); err != nil {
 				c.Close()
-				Poll.Wait()
+				Pool.Wait()
-				Poll.Stop()
+				Pool.Stop()
 				return
 			}
 		}
-		Poll.AddJob(fn)
+		Pool.AddJob(fn)
 	}
 }
 
@@ -200,7 +200,7 @@ func HandleTcpMessages(t *TcpClient, printNo string) {
 			return
 		}
 	}
-	Poll.AddJob(fn)
+	Pool.AddJob(fn)
 }
 
 func (t *TcpClient) readTimeoutMap(key string) bool {
@@ -331,7 +331,7 @@ func doPrint(t *TcpClient, key string) (err error) {
 			}
 		}
 	}
-	Poll.AddJob(fn)
+	Pool.AddJob(fn)
 	return err
 }
 

business/jxstore/event/timing_task.go

@@ -2,103 +2,156 @@ package event
 
 import (
 	"sync"
+	"time"
 )
 
-var Poll *Pool
+// 全局单例线程池（初始化500个worker）
+var Pool *WorkerPool
 
 func init() {
-	Poll = NewPool(500)
+	Pool = NewWorkerPool(500, 1024) // 500个worker，任务队列长度1024
-	Poll.Start()
+	Pool.Start()
 }
 
+// Job 任务定义
 type Job func()
 
+// Worker 工作协程
 type Worker struct {
 	id        int
-	jobChannel chan Job
+	jobChan   chan Job
-	quit       chan bool
+	quitChan  chan struct{}
+	closeOnce sync.Once
 }
 
-type Pool struct {
+// WorkerPool 线程池
+type WorkerPool struct {
 	workers   []*Worker
-	jobChannel chan Job
+	jobChan   chan Job
 	wg        sync.WaitGroup
+	closeOnce sync.Once
+	closed    bool
+	mu        sync.Mutex
 }
 
-func NewWorker(id int, jobChannel chan Job) *Worker {
+// ----------------------------------------------------
+// 创建 Worker
+// ----------------------------------------------------
+func NewWorker(id int, jobChan chan Job) *Worker {
 	return &Worker{
 		id:       id,
-		jobChannel: jobChannel,
+		jobChan:  jobChan,
-		quit:       make(chan bool),
+		quitChan: make(chan struct{}),
 	}
 }
 
+// Start 启动Worker（自带panic恢复）
 func (w *Worker) Start() {
 	go func() {
+		defer func() {
+			if r := recover(); r != nil {
+				// 打印panic日志，防止整个worker崩溃
+				// log.Printf("worker %d panic recovered: %v", w.id, r)
+			}
+		}()
+
 		for {
 			select {
-			case job := <-w.jobChannel:
+			case job, ok := <-w.jobChan:
+				if !ok {
+					return
+				}
 				job()
-			case <-w.quit:
+			case <-w.quitChan:
 				return
 			}
 		}
 	}()
 }
 
+// Stop 安全停止Worker
 func (w *Worker) Stop() {
-	w.quit <- true
+	w.closeOnce.Do(func() {
-	close(w.quit)
+		close(w.quitChan)
-	//go func() {
+	})
-	//	w.quit <- true
-	//}()
 }
 
-func NewPool(numWorkers int) *Pool {
+// ----------------------------------------------------
-	jobChannel := make(chan Job)
+// 创建线程池
-	pool := &Pool{
+// ----------------------------------------------------
-		workers:    make([]*Worker, numWorkers),
+func NewWorkerPool(workerCount int, queueSize int) *WorkerPool {
-		jobChannel: jobChannel,
+	jobChan := make(chan Job, queueSize) // 带缓冲队列，高并发不阻塞
+
+	pool := &WorkerPool{
+		workers: make([]*Worker, workerCount),
+		jobChan: jobChan,
 	}
 
-	for i := 0; i < numWorkers; i++ {
+	for i := 0; i < workerCount; i++ {
-		worker := NewWorker(i, jobChannel)
+		pool.workers[i] = NewWorker(i, jobChan)
-		pool.workers[i] = worker
 	}
-
 	return pool
 }
 
-func (p *Pool) Start() {
+// Start 启动所有worker
-	for _, worker := range p.workers {
+func (p *WorkerPool) Start() {
-		worker.Start()
+	for _, w := range p.workers {
+		w.Start()
 	}
 }
 
-func (p *Pool) Stop() {
+// AddJob 提交任务（非阻塞、安全、不panic）
-	for _, worker := range p.workers {
+func (p *WorkerPool) AddJob(job Job) bool {
-		worker.Stop()
+	p.mu.Lock()
+	closed := p.closed
+	p.mu.Unlock()
+
+	if closed {
+		return false
 	}
-}
 
-//
-//func (p *Pool) AddJob(job Job) {
-//	p.wg.Add(1)
-//	p.jobChannel <- func() {
-//		job()
-//		p.wg.Done()
-//	}
-//}
-
-func (p *Pool) AddJob(job Job) {
 	p.wg.Add(1)
-	go func() {
+	select {
-		p.jobChannel <- func() {
+	case p.jobChan <- func() {
 		defer p.wg.Done()
 		job()
+	}:
+		return true
+	case <-time.After(10 * time.Millisecond):
+		// 队列满了，不阻塞，快速失败
+		p.wg.Done()
+		return false
 	}
-	}()
 }
-func (p *Pool) Wait() {
+
+// Wait 等待所有任务执行完成
+func (p *WorkerPool) Wait() {
 	p.wg.Wait()
 }
+
+// Stop 优雅关闭线程池（安全不panic）
+func (p *WorkerPool) Stop() {
+	p.closeOnce.Do(func() {
+		p.mu.Lock()
+		p.closed = true
+		p.mu.Unlock()
+
+		// 1. 关闭任务通道
+		close(p.jobChan)
+
+		// 2. 停止所有worker
+		for _, w := range p.workers {
+			w.Stop()
+		}
+
+		// 3. 等待所有任务执行完
+		p.Wait()
+	})
+}
+
+// IsClosed 判断线程池是否关闭
+func (p *WorkerPool) IsClosed() bool {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	return p.closed
+}