add recorder for serial handler

recorder/http.go

@@ -0,0 +1,62 @@
+package recorder
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/go-gost/core/recorder"
+)
+
+type httpRecorderOptions struct {
+	timeout time.Duration
+}
+
+type HTTPRecorderOption func(opts *httpRecorderOptions)
+
+func TimeoutHTTPRecorderOption(timeout time.Duration) HTTPRecorderOption {
+	return func(opts *httpRecorderOptions) {
+		opts.timeout = timeout
+	}
+}
+
+type httpRecorder struct {
+	url        string
+	httpClient *http.Client
+}
+
+// HTTPRecorder records data to HTTP service.
+func HTTPRecorder(url string, opts ...HTTPRecorderOption) recorder.Recorder {
+	var options httpRecorderOptions
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	return &httpRecorder{
+		url: url,
+		httpClient: &http.Client{
+			Timeout: options.timeout,
+		},
+	}
+}
+
+func (r *httpRecorder) Record(ctx context.Context, b []byte) error {
+	req, err := http.NewRequest(http.MethodPost, r.url, bytes.NewReader(b))
+	if err != nil {
+		return err
+	}
+
+	resp, err := r.httpClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("%d %s", resp.StatusCode, resp.Status)
+	}
+
+	return nil
+}