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2 months ago
package rpc
import (
"context"
"fmt"
"runtime"
"time"
"github.com/TremblingV5/DouTok/kitex_gen/feed"
"github.com/TremblingV5/DouTok/kitex_gen/feed/feedservice"
"github.com/TremblingV5/DouTok/pkg/dtviper"
"github.com/TremblingV5/DouTok/pkg/errno"
"github.com/TremblingV5/DouTok/pkg/middleware"
"github.com/cloudwego/kitex/client"
"github.com/cloudwego/kitex/pkg/remote/trans/gonet"
"github.com/cloudwego/kitex/pkg/retry"
"github.com/cloudwego/kitex/pkg/rpcinfo"
"github.com/kitex-contrib/obs-opentelemetry/tracing"
etcd "github.com/kitex-contrib/registry-etcd"
)
var FeedClient feedservice.Client
// Feed RPC 客户端初始化
func initFeedRpc(Config *dtviper.Config) {
EtcdAddress := fmt.Sprintf("%s:%d", Config.Viper.GetString("Etcd.Address"), Config.Viper.GetInt("Etcd.Port"))
r, err := etcd.NewEtcdResolver([]string{EtcdAddress})
if err != nil {
panic(err)
}
ServiceName := Config.Viper.GetString("Server.Name")
//p := provider.NewOpenTelemetryProvider(
// provider.WithServiceName(ServiceName),
// provider.WithExportEndpoint("localhost:4317"),
// provider.WithInsecure(),
//)
//defer p.Shutdown(context.Background())
options := []client.Option{
client.WithMiddleware(middleware.CommonMiddleware),
client.WithInstanceMW(middleware.ClientMiddleware),
client.WithRPCTimeout(30 * time.Second), // rpc timeout
client.WithConnectTimeout(30000 * time.Millisecond), // conn timeout
client.WithFailureRetry(retry.NewFailurePolicy()), // retry
client.WithSuite(tracing.NewClientSuite()), // tracer
client.WithResolver(r), // resolver
// Please keep the same as provider.WithServiceName
client.WithClientBasicInfo(&rpcinfo.EndpointBasicInfo{ServiceName: ServiceName}),
}
if runtime.GOOS == "windows" {
options = append(options, client.WithTransHandlerFactory(gonet.NewCliTransHandlerFactory()))
} else {
options = append(options, client.WithMuxConnection(1)) // mux
}
c, err := feedservice.NewClient(
ServiceName,
options...,
)
if err != nil {
panic(err)
}
FeedClient = c
}
// 传递 获取视频流操作 的上下文, 并获取 RPC Server 端的响应.
func GetUserFeed(ctx context.Context, feedClient feedservice.Client, req *feed.DouyinFeedRequest) (resp *feed.DouyinFeedResponse, err error) {
resp, err = feedClient.GetUserFeed(ctx, req)
if err != nil {
return nil, err
}
if resp.StatusCode != 0 {
return nil, errno.NewErrNo(int(resp.StatusCode), resp.StatusMsg)
}
return resp, nil
}