feat 初始化

net/grpc/grpcconn/conn.go

@@ -1,11 +1,14 @@
 package grpcconn
 
 import (
+	"context"
 	"git.hlsq.asia/alex/service-common/log"
 	"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/keepalive"
+	"google.golang.org/grpc/metadata"
+	"strconv"
 	"time"
 )
 
@@ -22,6 +25,7 @@ func NewGrpcConnection(sid int64, address string) (*GrpcConnection, error) {
 		address,
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
 		grpc.WithStatsHandler(otelgrpc.NewClientHandler()),
+		grpc.WithUnaryInterceptor(sidInterceptor(sid)),
 		grpc.WithKeepaliveParams(
 			keepalive.ClientParameters{
 				Time:                30 * time.Second, // 保活探测包发送的时间间隔
@@ -41,3 +45,13 @@ func NewGrpcConnection(sid int64, address string) (*GrpcConnection, error) {
 func (g *GrpcConnection) GetConnection() *grpc.ClientConn {
 	return g.conn
 }
+
+func sidInterceptor(sid int64) grpc.UnaryClientInterceptor {
+	sidStr := strconv.Itoa(int(sid))
+	return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
+		ctx = metadata.AppendToOutgoingContext(ctx,
+			"X-Sid", sidStr,
+		)
+		return invoker(ctx, method, req, reply, cc, opts...)
+	}
+}