hanayo/vendor/github.com/valyala/fasthttp/requestctx_setbodystreamwriter_example_test.go
2019-02-23 13:29:15 +00:00

33 lines
742 B
Go

package fasthttp_test
import (
"bufio"
"fmt"
"log"
"time"
"github.com/valyala/fasthttp"
)
func ExampleRequestCtx_SetBodyStreamWriter() {
// Start fasthttp server for streaming responses.
if err := fasthttp.ListenAndServe(":8080", responseStreamHandler); err != nil {
log.Fatalf("unexpected error in server: %s", err)
}
}
func responseStreamHandler(ctx *fasthttp.RequestCtx) {
// Send the response in chunks and wait for a second between each chunk.
ctx.SetBodyStreamWriter(func(w *bufio.Writer) {
for i := 0; i < 10; i++ {
fmt.Fprintf(w, "this is a message number %d", i)
// Do not forget flushing streamed data to the client.
if err := w.Flush(); err != nil {
return
}
time.Sleep(time.Second)
}
})
}