| // Copyright 2016 Google LLC. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package bytestream |
| |
| import ( |
| "bytes" |
| "context" |
| "fmt" |
| "io" |
| "log" |
| |
| "google.golang.org/grpc" |
| ) |
| |
| func ExampleNewClient(serverPort int, resourceName string) { |
| ctx := context.Background() |
| conn, err := grpc.Dial(fmt.Sprintf("localhost:%d", serverPort), grpc.WithInsecure()) |
| if err != nil { |
| log.Printf("grpc.Dial: %v", err) |
| return |
| } |
| client := NewClient(conn) |
| reader, err := client.NewReader(ctx, resourceName) |
| if err != nil { |
| log.Printf("NewReader(%q): %v", resourceName, err) |
| } |
| var buf bytes.Buffer |
| n, err := buf.ReadFrom(reader) |
| if err != nil && err != io.EOF { |
| log.Printf("Read %d bytes, got err=%v", n, err) |
| } |
| log.Printf("read %q", buf.String()) |
| } |
| |
| func ExampleNewReader(serverPort int, resourceName string) { |
| ctx := context.Background() |
| conn, err := grpc.Dial(fmt.Sprintf("localhost:%d", serverPort), grpc.WithInsecure()) |
| if err != nil { |
| log.Printf("grpc.Dial: %v", err) |
| return |
| } |
| client := NewClient(conn) |
| reader, err := client.NewReader(ctx, resourceName) |
| if err != nil { |
| log.Printf("NewReader(%q): %v", resourceName, err) |
| } |
| var buf bytes.Buffer |
| n, err := buf.ReadFrom(reader) |
| if err != nil && err != io.EOF { |
| log.Printf("Read %d bytes, got err=%v", n, err) |
| } |
| log.Printf("read %q", buf.String()) |
| } |
| |
| func ExampleNewWriter(serverPort int, resourceName string) { |
| ctx := context.Background() |
| conn, err := grpc.Dial(fmt.Sprintf("localhost:%d", serverPort), grpc.WithInsecure()) |
| if err != nil { |
| log.Printf("grpc.Dial: %v", err) |
| return |
| } |
| client := NewClient(conn) |
| |
| w, err := client.NewWriter(ctx, resourceName) |
| if err != nil { |
| log.Printf("NewWriter: %v", err) |
| return |
| } |
| defer func() { |
| err := w.Close() |
| if err != nil { |
| log.Printf("Close: %v", err) |
| } |
| }() |
| |
| buf := []byte("hello world") |
| n, err := w.Write(buf) |
| if err != nil { |
| log.Printf("Write: %v", err) |
| } |
| log.Printf("Wrote %d bytes", n) |
| } |