snapshot of https://github.com/seaweedfs/seaweedfs.git (master, 2026-09-16; blobs > 131072B omitted)

2026-09-16 03:23:42 +05:00
commit 89f5be005d
3997 changed files with 961970 additions and 0 deletions
--- a/test/kafka/simple-consumer/go.mod
+++ b/test/kafka/simple-consumer/go.mod
@@ -0,0 +1,10 @@
+module simple-consumer
+
+go 1.21
+
+require github.com/segmentio/kafka-go v0.4.47
+
+require (
+	github.com/klauspost/compress v1.17.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.15 // indirect
+)
--- a/test/kafka/simple-consumer/go.sum
+++ b/test/kafka/simple-consumer/go.sum
@@ -0,0 +1,69 @@
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--- a/test/kafka/simple-consumer/main.go
+++ b/test/kafka/simple-consumer/main.go
@@ -0,0 +1,123 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/segmentio/kafka-go"
+)
+
+func main() {
+	// Configuration
+	brokerAddress := "localhost:9093" // Kafka gateway port (not SeaweedMQ broker port 17777)
+	topicName := "_raw_messages"      // Topic with "_" prefix - should skip schema validation
+	groupID := "raw-message-consumer"
+
+	fmt.Printf("Consuming messages from topic '%s' on broker '%s'\n", topicName, brokerAddress)
+
+	// Create a new reader
+	reader := kafka.NewReader(kafka.ReaderConfig{
+		Brokers: []string{brokerAddress},
+		Topic:   topicName,
+		GroupID: groupID,
+		// Start reading from the beginning for testing
+		StartOffset: kafka.FirstOffset,
+		// Configure for quick consumption
+		MinBytes: 1,
+		MaxBytes: 10e6, // 10MB
+	})
+	defer reader.Close()
+
+	// Set up signal handling for graceful shutdown
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		<-sigChan
+		fmt.Println("\nReceived shutdown signal, stopping consumer...")
+		cancel()
+	}()
+
+	fmt.Println("Starting to consume messages (Press Ctrl+C to stop)...")
+	fmt.Println("=" + fmt.Sprintf("%60s", "="))
+
+	messageCount := 0
+
+	for {
+		select {
+		case <-ctx.Done():
+			fmt.Printf("\nStopped consuming. Total messages processed: %d\n", messageCount)
+			return
+		default:
+			// Set a timeout for reading messages
+			msgCtx, msgCancel := context.WithTimeout(ctx, 5*time.Second)
+
+			message, err := reader.ReadMessage(msgCtx)
+			msgCancel()
+
+			if err != nil {
+				if err == context.DeadlineExceeded {
+					fmt.Print(".")
+					continue
+				}
+				log.Printf("Error reading message: %v", err)
+				continue
+			}
+
+			messageCount++
+
+			// Display message details
+			fmt.Printf("\nMessage #%d:\n", messageCount)
+			fmt.Printf("   Partition: %d, Offset: %d\n", message.Partition, message.Offset)
+			fmt.Printf("   Key: %s\n", string(message.Key))
+			fmt.Printf("   Value: %s\n", string(message.Value))
+			fmt.Printf("   Timestamp: %s\n", message.Time.Format(time.RFC3339))
+
+			// Display headers if present
+			if len(message.Headers) > 0 {
+				fmt.Printf("   Headers:\n")
+				for _, header := range message.Headers {
+					fmt.Printf("     %s: %s\n", header.Key, string(header.Value))
+				}
+			}
+
+			// Try to detect content type
+			contentType := detectContentType(message.Value)
+			fmt.Printf("   Content Type: %s\n", contentType)
+
+			fmt.Printf("   Raw Size: %d bytes\n", len(message.Value))
+			fmt.Println("   " + fmt.Sprintf("%50s", "-"))
+		}
+	}
+}
+
+// detectContentType tries to determine the content type of the message
+func detectContentType(data []byte) string {
+	if len(data) == 0 {
+		return "empty"
+	}
+
+	// Check if it looks like JSON
+	trimmed := string(data)
+	if (trimmed[0] == '{' && trimmed[len(trimmed)-1] == '}') ||
+		(trimmed[0] == '[' && trimmed[len(trimmed)-1] == ']') {
+		return "JSON"
+	}
+
+	// Check if it's printable text
+	for _, b := range data {
+		if b < 32 && b != 9 && b != 10 && b != 13 { // Allow tab, LF, CR
+			return "binary"
+		}
+	}
+
+	return "text"
+}