feat 初次提交

net/grpc/resolver/conn.go

@@ -0,0 +1,30 @@
+package resolver
+
+import (
+	"common/log"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/keepalive"
+	"time"
+)
+
+func NewGrpcConnection(target string) (*grpc.ClientConn, error) {
+	cc, err := grpc.NewClient(
+		target,
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithDefaultServiceConfig(`{"loadBalancingConfig": [{"round_robin": {}}]}`),
+		grpc.WithKeepaliveParams(
+			keepalive.ClientParameters{
+				Time:                30 * time.Second, // 保活探测包发送的时间间隔
+				Timeout:             10 * time.Second, // 保活探测包的超时时间
+				PermitWithoutStream: true,
+			},
+		),
+		//grpc.WithStatsHandler(&StatsHandler{}),
+	)
+	if err != nil {
+		log.Errorf("create grpc err: %v, target: %v", err, target)
+		return nil, err
+	}
+	return cc, nil
+}