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82 lines
2.2 KiB
82 lines
2.2 KiB
package main
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import (
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"context"
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"fmt"
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pb "github.com/go-kratos/kratos/examples/helloworld/helloworld"
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"github.com/go-kratos/kratos/v2/errors"
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"github.com/go-kratos/kratos/v2/log"
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"github.com/go-kratos/kratos/v2/middleware"
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"github.com/go-kratos/kratos/v2/middleware/logging"
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"github.com/go-kratos/kratos/v2/middleware/recovery"
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transgrpc "github.com/go-kratos/kratos/v2/transport/grpc"
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transhttp "github.com/go-kratos/kratos/v2/transport/http"
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)
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func main() {
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callHTTP()
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callGRPC()
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}
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func callHTTP() {
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logger := log.DefaultLogger
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conn, err := transhttp.NewClient(
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context.Background(),
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transhttp.WithMiddleware(
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recovery.Recovery(),
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logging.Client(logger),
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),
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transhttp.WithEndpoint("127.0.0.1:8000"),
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)
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if err != nil {
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panic(err)
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}
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client := pb.NewGreeterHTTPClient(conn)
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reply, err := client.SayHello(context.Background(), &pb.HelloRequest{Name: "kratos"})
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if err != nil {
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panic(err)
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}
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logger.Log(log.LevelInfo, "msg", fmt.Sprintf("[http] SayHello %s\n", reply.Message))
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// returns error
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reply, err = client.SayHello(context.Background(), &pb.HelloRequest{Name: "error"})
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if err != nil {
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logger.Log(log.LevelInfo, "msg", fmt.Sprintf("[http] SayHello error: %v\n", err))
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}
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if errors.IsBadRequest(err) {
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logger.Log(log.LevelInfo, "msg", fmt.Sprintf("[http] SayHello error is invalid argument: %v\n", err))
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}
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}
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func callGRPC() {
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logger := log.DefaultLogger
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conn, err := transgrpc.DialInsecure(
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context.Background(),
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transgrpc.WithEndpoint("127.0.0.1:9000"),
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transgrpc.WithMiddleware(
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middleware.Chain(
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recovery.Recovery(),
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logging.Client(logger),
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),
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),
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)
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if err != nil {
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panic(err)
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}
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client := pb.NewGreeterClient(conn)
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reply, err := client.SayHello(context.Background(), &pb.HelloRequest{Name: "kratos"})
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if err != nil {
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panic(err)
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}
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logger.Log(log.LevelInfo, "msg", fmt.Sprintf("[grpc] SayHello %+v", reply))
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// returns error
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_, err = client.SayHello(context.Background(), &pb.HelloRequest{Name: "error"})
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if err != nil {
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logger.Log(log.LevelInfo, "msg", fmt.Sprintf("[grpc] SayHello error: %v", err))
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}
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if errors.IsBadRequest(err) {
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logger.Log(log.LevelInfo, "msg", fmt.Sprintf("[grpc] SayHello error is invalid argument: %v", err))
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}
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}
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