feat: add inbox

internal/inbox/client.go

@@ -0,0 +1,75 @@
+package inbox
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"net"
+	"net/http"
+	"strings"
+	"time"
+)
+
+type ClientConfig struct {
+	URL     string
+	Socket  string
+	Addr    string
+	Timeout time.Duration
+}
+
+type Client struct {
+	cfg ClientConfig
+}
+
+func NewClient(cfg ClientConfig) Client {
+	if cfg.Timeout <= 0 {
+		cfg.Timeout = 500 * time.Millisecond
+	}
+	return Client{cfg: cfg}
+}
+
+func (c Client) Upload(ctx context.Context, rec Record) error {
+	body, err := json.Marshal(rec)
+	if err != nil {
+		return err
+	}
+	url := c.url()
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url+"/inbox", bytes.NewReader(body))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	client := &http.Client{Timeout: c.cfg.Timeout}
+	if c.cfg.Socket != "" {
+		socket := c.cfg.Socket
+		client.Transport = &http.Transport{
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+				return (&net.Dialer{}).DialContext(ctx, "unix", socket)
+			},
+		}
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode > 299 {
+		return fmt.Errorf("inbox upload failed: %s", resp.Status)
+	}
+	return nil
+}
+
+func (c Client) url() string {
+	if c.cfg.URL != "" {
+		return strings.TrimRight(c.cfg.URL, "/")
+	}
+	if c.cfg.Socket != "" {
+		return "http://unix"
+	}
+	if c.cfg.Addr != "" {
+		return "http://" + c.cfg.Addr
+	}
+	return "http://127.0.0.1:17777"
+}