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// Copyright 2021-2023 The Connect Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package connect_test
import (
"context"
"log"
"net/http"
"os"
connect "connectrpc.com/connect"
pingv1 "connectrpc.com/connect/internal/gen/connect/ping/v1"
"connectrpc.com/connect/internal/gen/connect/ping/v1/pingv1connect"
)
func Example_client() {
logger := log.New(os.Stdout, "" /* prefix */, 0 /* flags */)
// To keep this example runnable, we'll use an HTTP server and client
// that communicate over in-memory pipes. The client is still a plain
// *http.Client!
var httpClient *http.Client = examplePingServer.Client()
// By default, clients use the Connect protocol. Add connect.WithGRPC() or
// connect.WithGRPCWeb() to switch protocols.
client := pingv1connect.NewPingServiceClient(
httpClient,
examplePingServer.URL(),
)
response, err := client.Ping(
context.Background(),
connect.NewRequest(&pingv1.PingRequest{Number: 42}),
)
if err != nil {
logger.Println("error:", err)
return
}
logger.Println("response content-type:", response.Header().Get("Content-Type"))
logger.Println("response message:", response.Msg)
// Output:
// response content-type: application/proto
// response message: number:42
}
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