e1.4.4 Fix module path and dependency issues, compatibility package added.

example/heartbeat/main.go

@@ -0,0 +1,81 @@
+// FILE: example/heartbeat/main.go
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/lixenwraith/log"
+)
+
+func main() {
+	// Create test log directory if it doesn't exist
+	if err := os.MkdirAll("./logs", 0755); err != nil {
+		fmt.Fprintf(os.Stderr, "Failed to create test logs directory: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Test cycle: disable -> PROC -> PROC+DISK -> PROC+DISK+SYS -> PROC+DISK -> PROC -> disable
+	levels := []struct {
+		level       int64
+		description string
+	}{
+		{0, "Heartbeats disabled"},
+		{1, "PROC heartbeats only"},
+		{2, "PROC+DISK heartbeats"},
+		{3, "PROC+DISK+SYS heartbeats"},
+		{2, "PROC+DISK heartbeats (reducing from 3)"},
+		{1, "PROC heartbeats only (reducing from 2)"},
+		{0, "Heartbeats disabled (final)"},
+	}
+
+	// Create a single logger instance that we'll reconfigure
+	logger := log.NewLogger()
+
+	for _, levelConfig := range levels {
+		// Set up configuration overrides
+		overrides := []string{
+			"directory=./logs",
+			"level=-4",               // Debug level to see everything
+			"format=txt",             // Use text format for easier reading
+			"heartbeat_interval_s=5", // Short interval for testing
+			fmt.Sprintf("heartbeat_level=%d", levelConfig.level),
+		}
+
+		// Initialize logger with the new configuration
+		// Note: InitWithDefaults handles reconfiguration of an existing logger
+		if err := logger.InitWithDefaults(overrides...); err != nil {
+			fmt.Fprintf(os.Stderr, "Failed to initialize logger: %v\n", err)
+			os.Exit(1)
+		}
+
+		// Log the current test state
+		fmt.Printf("\n--- Testing heartbeat level %d: %s ---\n", levelConfig.level, levelConfig.description)
+		logger.Info("Heartbeat test started", "level", levelConfig.level, "description", levelConfig.description)
+
+		// Generate some logs to trigger heartbeat counters
+		for j := 0; j < 10; j++ {
+			logger.Debug("Debug test log", "iteration", j, "level_test", levelConfig.level)
+			logger.Info("Info test log", "iteration", j, "level_test", levelConfig.level)
+			logger.Warn("Warning test log", "iteration", j, "level_test", levelConfig.level)
+			logger.Error("Error test log", "iteration", j, "level_test", levelConfig.level)
+			time.Sleep(100 * time.Millisecond)
+		}
+
+		// Wait for heartbeats to generate (slightly longer than the interval)
+		waitTime := 6 * time.Second
+		fmt.Printf("Waiting %v for heartbeats to generate...\n", waitTime)
+		time.Sleep(waitTime)
+
+		logger.Info("Heartbeat test completed for level", "level", levelConfig.level)
+	}
+
+	// Final shutdown
+	if err := logger.Shutdown(2 * time.Second); err != nil {
+		fmt.Fprintf(os.Stderr, "Warning: Failed to shut down logger: %v\n", err)
+	}
+
+	fmt.Println("\nHeartbeat test program completed successfully")
+	fmt.Println("Check logs directory for generated log files")
+}