feat: support for ns,ms,us,s in lineprotol

.gitignore

@@ -25,3 +25,6 @@ config.json
 migrateTimestamps.pl
 test_ccms_api.sh
 test_ccms_free_api.sh
+test_ccms_write_api.sh
+sample_alex.txt
+sample_fritz.txt

internal/api/lineprotocol.go

@@ -313,7 +313,20 @@ func decodeLine(dec *lineprotocol.Decoder,
 		}
 
 		if t, err = dec.Time(lineprotocol.Second, t); err != nil {
-			return fmt.Errorf("timestamp : %#v with error : %#v", lineprotocol.Second, err.Error())
+			t = time.Now()
+			if t, err = dec.Time(lineprotocol.Millisecond, t); err != nil {
+				t = time.Now()
+				if t, err = dec.Time(lineprotocol.Microsecond, t); err != nil {
+					t = time.Now()
+					if t, err = dec.Time(lineprotocol.Nanosecond, t); err != nil {
+						return fmt.Errorf("timestamp : %#v with error : %#v", t, err.Error())
+					}
+				}
+			}
+		}
+
+		if err != nil {
+			return fmt.Errorf("timestamp : %#v with error : %#v", t, err.Error())
 		}
 
 		if err := ms.WriteToLevel(lvl, selector, t.Unix(), []memorystore.Metric{metric}); err != nil {

internal/memorystore/checkpoint.go

@@ -268,6 +268,15 @@ func (l *Level) toCheckpoint(dir string, from, to int64, m *MemoryStore) error {
 // This function can only be called once and before the very first write or read.
 // Different host's data is loaded to memory in parallel.
 func (m *MemoryStore) FromCheckpoint(dir string, from int64) (int, error) {
+	if _, err := os.Stat(dir); os.IsNotExist(err) {
+		// The directory does not exist, so create it using os.MkdirAll()
+		err := os.MkdirAll(dir, 0755) // 0755 sets the permissions for the directory
+		if err != nil {
+			log.Fatalf("Error creating directory: %#v\n", err)
+		}
+		fmt.Printf("%#v Directory created successfully.\n", dir)
+	}
+
 	var wg sync.WaitGroup
 	work := make(chan [2]string, NumWorkers)
 	n, errs := int32(0), int32(0)