添加了节点服务器，各个服务器之间支持多对多

node/app/app.go

@@ -0,0 +1,56 @@
+package app
+
+import (
+	"context"
+	_ "net/http/pprof"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"hk4e/common/config"
+	"hk4e/node/service"
+	"hk4e/pkg/logger"
+
+	"github.com/nats-io/nats.go"
+)
+
+func Run(ctx context.Context, configFile string) error {
+	config.InitConfig(configFile)
+
+	logger.InitLogger("node")
+	logger.Warn("node start")
+
+	// natsrpc server
+	conn, err := nats.Connect(config.CONF.MQ.NatsUrl)
+	if err != nil {
+		logger.Error("connect nats error: %v", err)
+		return err
+	}
+	defer conn.Close()
+	s, err := service.NewService(conn)
+	if err != nil {
+		return err
+	}
+	defer s.Close()
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
+	for {
+		select {
+		case <-ctx.Done():
+			return nil
+		case s := <-c:
+			logger.Warn("get a signal %s", s.String())
+			switch s {
+			case syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT:
+				logger.Warn("node exit")
+				time.Sleep(time.Second)
+				return nil
+			case syscall.SIGHUP:
+			default:
+				return nil
+			}
+		}
+	}
+}